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026-1005 UltraSite RMCC Supplement

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1. 40 FIXTURE OVERVIEW Case Control Circuit _ CASE DIAGRAM E rl dl 10 ol 10 A TO FEIE LLS CASE CONTROL BOARD SUMMARY Refrigeration Defrost Clean Switch Open Dual Temp CASE STATUS AND SETPOINTS On SO 40 oft 30 oft 20 10 O of Setpoint i gt Unit Summary ma mee Te a a case ra cuit is displayed in the Case Control Cir cuit Status screen Fixture Overview Other Circuits Circuit Summary gt The Fixture Overview is a bar graph that shows the current case temperatures of all CCBs assigned to the circuit The number of each CCB is shown below each of the blue bars Double clicking the left mouse button on one of the blue bars in the Fixture Overview will call up the CCB Status screen for the selected CCB 38 Individual Circuits Menu Clicking the right mouse button on one of the blue bars in the Fixture Overview brings up a menu similar to the Indi vidual Circuits Menu see Section 6 2 Case Control Board Summary The Case Control Board Summary box 1s a smaller version of the CCB Summary screen that shows only the CCBs as signed to the selected circuit The CCB names on off sta tus case temperatures valve opening percentages and superheat readings 1f applicable are shown in this box Double clicking the left mouse button on one of the CCBs in this box
2. e Max The RMCC uses the maximum value of one or more sensors as the control value e Min The RMCC uses the minimum value of one or more sensors as the control value Up to three sensors may be combined with the current sen sor Choose the desired sensors from the three scroll boxes in the Use Of fields The Sensor Setpoints dialog box for IRLDS sensor types is slightly different from the one for all other sensor types see Section 12 3 2 Sensor Setpoints Only Cut On and Cut Off setpoints and delays may be specified for the IRLDS no Minimum On time may be specified nor may the IRLDS value be combined with other sensors 026 1005 Rev 1 06 09 97 12 3 3 Sensor Alarms Sensor Alarms Sensor 1 High Low Delay Alarm NONE 0 min Notice NONE gt jo min Send Tao Alarm set points for sensors are defined in the Sensor Alarms dialog box Alarm Control within the RMCC includes the generation of alarms or notices when specific control values exceed high and low alarm set points The current sensor reading is compared to the high and low settings of the alarm and no tice set points If the value exceeds the user defined high 12 3 3 1 Sensor Alarms IRLDS only Sensor Alarms Ei Sensor 1 Alarm High NONE Notice High NONE M Fault Alarm 12 3 4 Sensor Setup Sensor 1 Board Point Assignments Type Bd Pl Brand Input fo fo Unit Output fo fo Log Interval 00 03 00 y
3. Leave Notice in Alarm Log Yes No No If desired the RMCC will generate a notice in the Alarm Log whenever an override is activated To generate this no tice put a check in the Leave Notice in Alarm Log a sensor is created in UltraSite the Setup Instance sequence is initiated automatically Setup Instance cycles through the dialog boxes in the fol lowing order e Sensor Setup see Section 12 3 4 e Sensor Setpoints see Section 12 3 2 e Sensor Alarms see Section 12 3 3 Sensors Main Menu 79 13 Suction Groups Screen Ma ettings and setpoints aftecting all suc ESuction Groups tion groups such as discharge pressure ma and alarm set points log intervals and od Checkit sensor set points may be ac id 7 n Og Hea cessed from the Suction Groups Main ella Men u n Fressure Setup Setup Application View Alarms Print Setpoint Log Inventory option Aereos Y Page Summary See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Pressure Setup Section 13 6 Setup Application Ais Setup Application See Section 1 4 Pressure Control Setup Add New See P N 026 1002 UltraSite User s Guide Section 15 8 Adding New Components Enhanced REFLECS only View Alarms See P N 026 1002 UltraSite User s Guide Section 21 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points Log Inventory See P N 026 1002 UltraSit
4. Occupied Alarm Disabled Notice Disable Alt Combiner Suspend Count Le Le Le Reset Count A a l 7 Send To Sources for the Analog Input Module in puts are selected in this dialog box Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 1 Analog Input Module for a complete description of the module inputs A complete list of the possible input sources 1s given in Ap pendix A 2 6 Analog Inputs Output Setup Analog Inputs Outputs Setup y y VAT lz L CEL TTT Hone VATA a i i In the Analog Inputs Output Setup dialog box users may assign board and point addresses to module outputs and define the states of digital outputs All outputs in the Analog Input Module are defined in this dialog box Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 1 2 Module Inputs and Outputs for more information about the outputs UltraSite User s Guide RMCC Supplement Type 8RO 4A0 8DO None None The Type field is where the type of output board is defined Users may select the 8RO Relay Board the 4AO Analog Output Board the 8DO Digital Output Board or None if the output is not going to be given a board and point ad dress Board and Point The desired board and point address for the output is en tered in the Board and Point fields 8DO Interval If 8DO is chosen in the Type field speci
5. When the Invert Combiner Output box is checked the out put determined by the Combiner Mode strategy will be in verted In other words ON outputs will be changed to OFF and OFF outputs will be changed to ON Schedule Interface Mode Alternate Mode op tions Logic Input Only Schedule Input Only The Schedule Interface Mode determines the method that will be used to combine the Occupied input value with the combined input value from the DVCombiner cell Six dif ferent combination modes may be used Logic Input Only The combined input value from the DVCombiner cell is used as the output value Choosing this option effectively disables the Schedule Interface cell Schedule Input Only The Occupied input value is used as the output value Choosing this option ef fectively disables the DVCombiner cell e Both ON Both OFF When the output is OFF it will not turn on again until both inputs are ON When the output is ON it will not turn off again un til both inputs are OFF e Both ON Schedule OFF When the output is OFF it will not turn on again until both inputs are ON When the output is ON it will not turn off again un til the Occupied input turns OFF Schedule ON Both OFF When the output is OFF it will not turn on again until the Occupied input is ON When the output is ON it will not turn off again until both inputs are OFF e Both ON Either OFF When the output is OFF it will not turn on again
6. 99 50 After the trip point has been reached and the RMCC has shut down all compressors these compressors are automat ically reset when the discharge pressure falls to an accept able level This reduction in pressure is defined in the Autoreset field This value must be lower than the Trip Point Therefore if the trip point is set to 350 pounds and the autoreset value is 50 pounds the compressors will reset at 300 pounds Discharge Alarm Yes No Yes To activate an alarm when the Discharge Pressure set point is met check the Discharge Alarm box The discharge set point is defined in the Discharge Setpoints dialog box see Section 13 1 Discharge Setpoints Alarm Types Alarm Notice Discharge Alarm Oil Fail Alarm Phase Loss Notice Discharge Oil Failure and Phase Loss alarms may be set up to generate either alarms or notices To choose the type of alarm select the appropriate button Proof Delay 0 240 sec 30 sec If a compressor proof has been defined for any compressor the RMCC may be configured to issue an alarm if a proof signal closure is not received after a specified duration The RMCC will generate a run proof failure alarm while con tinuing to call for the compressor Copeland Oil System Y es N o N Window 0 120 sec 10 sec The Copeland Oil System allows the RMCC to take sam ples of oil input from a compressor and determine low oil levels by building a percentage of good vers
7. By default only alarms will be sent to a 485 Alarm Panel To have the RMCC send notices as well as alarms to the 8 Alarm Setup 485 Alarm Panel check the Send Notices to 485 Alarm Panel box Disable Alarm Reset by 485 Alarm Panel Yes No No By default alarms and notices can be reset from a 485 Alarm Panel To turn this feature off put a check in the Dis able Alarm Reset by 485 Panel box Send Notice on Defrost Timeout Yes No No When a defrost termination strategy has been defined with in a circuit defrost should terminate when the strategy set tings have been met Regardless of the strategy settings defrost will deactivate after a specified Defrost Duration To generate a notice to the RMCC Alarm Log when defrost is terminated by the Defrost Duration put a check in the Send Notice on Defrost Timeout box Additional Delay after Defrost 0 240 min 0 min When the RMCC exits a stage of defrost and begins refrig eration the case temperature will most likely be above the case temperature set point and will remain so until the evaporator has had enough time to bring the temperature down To keep the RMCC from generating high case tem perature alarms during the period immediately after de frost an alarm delay may be specified in the Additional Delay after Defrost field During this delay no case tem perature alarms will be generated If a Drain Time is specified for a particular circuit the RMCC begin
8. and case control circuits view circuit sta rence tus and perform manual defrost func Sere tions are available from the Individual Input Alarm Limits Circuits Menu Cra po ere Some dialog boxes available from this menu may be pe ha ARP different depending on whether the circuit is a stan Setup Instance View Alarms dard or a case control circuit Print Setpolnte Log Inventory ene Y Page Status See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Advanced Defrost Options Standard Only Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set 16 2 49 49 50 points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory 36 Individual Circuits Menu 026 1005 Rev 1 06 09 97 6 2 1 Standard Circuit Status Circuit 2 17 RI DOORS Status Drip ixture Overview SO FIXTURE OVERVI EW NU Standard Circuit CASE DIAGRAM Temp 9 Term 29 0 Case 1 Term 1 29 0 Term 2 29 0 CIRCUIT TEMP AND SENSOR STATUS FIELDS Case 2 Case 3 Term 3 29 0 Term 4 29 0 Term 5 29 0 Case 4 Case 5 Case 6 Term 6 29 0 Dual Temp 30 Ea E ES Ei ea E ai 4 2 3 A 5 6 Defrost Clean Switch Open TEMP Y SET POINT Off Other Circuits o gt Circuit Summary P Unit Summary gt The operating status of a standard circuit is displayed in the Stan
9. o Refrigerant Follow Sensor Shut off Schedule Type R502 z Gain fo 0 Offset 0 0 Offset o Cancel Send To UltraSite User s Guide RMCC Supplement limit or falls below the low limit an alarm or notice will be generated An alarm is a high level warning that appears in the RMCC Alarm Log and may be accompanied with a contact closure to activate an bell light horn or other notification device An alarm may also initiate an alarm dialout sequence and or the activation of the 485 Alarm Annunciator Panel A notice 1s a low level warning that takes no action other than creating an entry in the RMCC alarm log To define sensor alarm set points enter the appropriate high and low set points in the appropriate fields For analog sensors a number from 999 9 to 999 9 must be entered or NONE if no alarm is desired For digital sensor inputs OPEN or CLOSED must be entered or NONE if no alarm is desired When the RMCC generates an alarm or notice it must wait the specified time delay before activating These delays are specified in the Alarm Delay and Notice Delay fields The Sensor Alarms dialog box for IRLDS sensor types is slightly different from the one for all other sensor types see Section 12 3 3 Sensor Alarms Only High Alarm and High Notice set points and delays may be specified In addition the IRLDS has the option of enabling the Fault Alarm which generates an alarm whenever a flow fault or
10. troller opens the EEV to a fixed valve percentage called the Bypassed Valve Percentage The fail safe mode main tains an adequate degree of refrigeration during alarm situ ations Note that the Bypassed Valve Percentage set point is defaulted to 30 in UltraSite It may be necessary to find the optimum percentage by simulating a failure to test the case s reaction Refer to P N 026 1102 RMCC Installation and Operation Manual Section 8 10 Fail Safe Mode Liquid Side Con trol Only for more information on fail safe modes 10 min Door Alarm Delay 0 240 min 15 min If the selected circuit is a walk in cooler with a door switch an Open Door Alarm Delay may be set up in the Door Alarm Delay field Normally a door switch will shut off re frigeration and fans whenever a door is opened and resume refrigeration when the door is closed However if the switch indicates the door hasn t been closed the RMCC 026 1005 Rev 1 06 09 97 will wait for a period of time equal to the Door Alarm De lay If the door switch does not close during this time an Open Door Alarm is generated The walk in cooler will then resume refrigeration 9 9 2 larm Setup CCB 1 ICE CREAMWI Leak Alarm Level 1000 y Leak Alarm Delay 1 0 min Door Alarm Delay 1 5 min M Extra 1 Temp M Extra 2 Temp Cancel Send Tao Case alarm information for suction step per CCBs is set up in this dialog box Refrigerant Leak Dete
11. 0 32767 0 The Initial Count Value is the value at which the counter begins When the Counter cell is reset the Count output re 2 8 Setup Instance som a NE users a access aj Analog Input related dialog boxes in suc cession When Setup Instance is chosen all dialog boxes related to analog input module setup appear in sequence This allows users to change a number of settings without having to se lect each dialog box individually from the system tree menu When the module is created in UltraSite the Setup Instance sequence is initiated automatically 16 Counter Setup turns to the Initial Count value Trip Point 0 32767 NONE If the Initial Count Value reaches a value higher than the defined Trip Point the Counter cell calls for the Trip Alarm output to be ON Reset Type Level Edge InvEdge Level The Counter cell s Count value is reset to the Initial Count Value upon receiving a signal from the Reset input The type of signal that will reset the Counter cell is specified in the Reset Type field There are three different reset types e Level the Count will reset whenever the Reset input is ON e Edge the Count will reset whenever the Reset input goes from OFF to ON e InvEdge the Count will reset whenever the Reset input goes from ON to OFF Count Increment 0 32767 0 Whenever the Command output of the Analog Input Mod ule goes from OFF to ON the Count Increment value
12. SA CONDENSER SETUP ro roopai cli a aa aS E N O E E EREA E E N EEan 57 Sd TRANSDUCER SETUP nanena aero da a N a a Moaaeed 59 SO FANCON TROL tna ti n 59 Oc Only SMble Speed Condenser FONN eoii aia i e AAA As 59 O02 TWORSPCCd Condense F GUS add tada idad 60 OOD Varable Speed Condenser INS a 61 8 7 EDIT CONDENSER FAN BD PT ASSIGNMENTS ccccccsssccsssccsecccescecesceesccuscecseceeuececnesseucsseussseucsseusseeuscuseseesnseuseseuses 61 9 0 CONDENSER PID SETPOINT S ss jahsiisas A ca 62 8 CONDENSER SETUP INSTANCE icasascasaraicatertucwsSasaas riera 62 IO VIEW RUNTIME ES o a A ci 62 E DIGTEAL OUTPUTMODUEES 0 a Ad 63 9 L DIGITAL OUTPUT MODULE STATUS taa A ti 63 22 DICTA OUIRU LO EROS ista 64 9 3 DIGITAL OUTPUTS SETUP COMBINER SCHEDULE ccccccssccccsssccccssceccuseccccsesceesesceesesesesesseeucssseesssuecsseueeseeseeseuee 65 OA DIGITAEOUITPUT MODULE INPUTS a ai 66 93s DIGITAL OUTPUT MODULE OUTPUTS AAA ARAN iia 67 9 02 COUNTER SE TU a as oaiod 67 Hal SOUP TINS AN e E e 68 10 LIGHTING SCHE DUTIES MENU iia is 69 ii Table of Contents 026 1005 Rev 1 06 09 97 10 1 OVERRIDE INPUTS BD PT ASSIGNMENTS 0 c0 ccc0sceccosccccosccaccccccoscaceoeccvsnscceeseccvencccscoesbeccsseecseccescetesvecesecneesersecceses 69 102 INDIVIDUAL SCHEDULES MENU caja thse oe cular OS occ 70 POD Le ASCHCAULCNS CHD erage sais b dss cc cas sce TET E sa a aca 70 IL POWER MONTTPORUNG MEN ica 71 11 1 POWER MONITORING STATUS SC
13. The High to Low Delay is the number of seconds the RMCC must wait before switching a condenser s fan speed from High to Low Low Speed HP 0 240 HP 50 HP In this field enter the horsepower of the fan or the total horsepower if more than one fan that is active when the condenser is operating at low speed 026 1005 Rev 1 06 09 97 High Speed HP 0 240 HP 100 HP In this field enter the horsepower of the fan or the total horsepower if more than one fan that is active when the condenser is operating at high speed Inputs The fan proof input s board and point address is entered in 8 6 3 Varnable Speed Condenser Setup aa q e EHEH EEEH VS Minimum Speed VS Maximum Speed 0 32000 rpm 900 1800 rpm When the RMCC calls for the variable speed condenser fans to be on at 0 the fans will operate at the defined VS Minimum Speed Likewise when the RMCC calls for the fans to be on at 100 the fans will operate at the defined VS Maximum Speed the Proof field Outputs The board and point addresses for Relay 1 Relay 2 and the Fan Contactor are specified in this field Variable Speed Condenser Fans VS Increase Rate VS Decrease Rate 0 32000 rem minute 2000 rpm minute The VS Increase Rate 1s the maximum rate at which the speed of the condenser fan may be increased The VS De crease Rate is the maximum rate at which the speed of the condenser fan may be decreased Inverter Reset
14. point is defined at the Circuit Setpoints screen None the RMCC will terminate defrost after the de fined Defrost Duration This duration is defined at the Circuit Setpoints screen see Section 6 2 Rtrn the RMCC will terminate defrost when the Return Air Sensor temperature reading exceeds the defined Termination Temperature set point This set point is defined at the Circuit Setpoints screen Defrost Termination Type Normal Pulsed Nor mal The defrost termination type determines the status of the system after defrost is terminated Users may choose from the following strategies e Normal the RMCC will return to normal refrigera tion operation e Pulsed the circuit will remain in defrost mode for the defined Defrost Duration If during this time a termination is called for by either the Stat Inl Dsch Out or Rtrn Termination strategies the RMCC will remain in defrost and pulse the defrost heat on and off in an effort to keep the termination temperature value equal to the Termination Temperature Set point defined in Section 6 4 1 Case Control Cir cuit Setpoints The Termination Temperature Setpoint has a fixed 2 dead band for case control circuits This means the RMCC will shut off defrost heat when the case temperature exceeds the Termination Temperature and reactivate if the temperature falls 2 below the Termination Temperature When the defrost duration is over the RMCC will prevent refrigerant f
15. the completion of the defrost before accurate measure ments of the liquid level can be made To define this time enter an amount of time between 0 and 240 minutes in the Disabled During Hot Gas Delay field Suction Groups 83 13 6 Setup Application a es Setup Application cycles through the dialog boxes in the etup Application allows users to access lowing order all suction group related dialog boxes in e Discharge Setpoints see Section 13 1 succession e Pressure Alarm Setup see Section 13 2 ee When Setup Application is chosen all dialog boxes related to suction setup appear in sequence This allows users to change a number of settings without having to select each e Checkit Setpoints see Section 13 5 dialog box individually from the system tree menu e Pressure Log Interval see Section 13 4 13 7 Individual Suction Groups EPN a ma sonia groups are mien set up from the Individual Suction ae Grou pS menu Setpoints Alarm Setup Compressor Setup Fixed Steps Setup PID Settings Advanced PID Settings View Alarms Print Setooints Log Inventory Option A tereos Y Page apa O tio 1872 Sue o Group Segons s Compressors Section 1875 Compresor sea v Fed sieps semp Section 187 6 ied Seps Sep w PID Settings Section 13 7 7 PID Settings 90 Advanced PID settings Section 13 7 8 Advanced PID Options See P N 026 1002 UltraSite User s Guide Section 21 Alarm View Print Setpoints
16. 00 00 Cutout NONE 00 00 00 of the fields necessary to define the Analog Input Module s Cut In Cut Out cell are in the Analog Inputs Setpoints dialog box 2 3 Alarms Analog Input 1 Occupied Alarm Notice Low Limit High Limit Trip Delay 00 00 00 00 00 00 Clear Delay 00 00 00 00 00 00 Unoccupied Alarm Notice High Limit o be 00 00 00 00 00 00 Clear Delay 00 00 00 00 00 00 Cancel Send To i 12 Setpoints Cut In Out The Cut In Cut Out cell which is defined in this dialog box reads the combined input value from the AV Combiner and Filter cells defined in Section 2 4 and activates or deac tivates the Command digital output based on the cut in and cut out setpoints Two different sets of set points may be defined occupied and unoccupied The occupied set points are used when the Occupied input is ON or NONE The unoccupied set points are used when the Occupied input is OFF See Section 2 5 Analog Inputs Input Setup for information about how to define the Occupied input Cut In Cut Out Setpoints O 99 NONE If the combined input value from the Filter cell is higher than the defined Cut In set point the Command output de fined in Section 2 5 will turn ON If the input value is lower than the Cut Out set point the Command output will turn OFF Cut In Cut Out Delays 00 00 00 24 00 00 00 00 00 The RMCC must wait for an amount of time equal to
17. 08719796 A ian 09 54 names records of logins self test op IN EF IG MONITOR CONTROL tions and daylight savings time dates Record Logins M Powerup Self Test is defined at the System Configuration di DST Settings Units alog box i Hode Automatic USA hd Temperature DegF y Dates Start Pressure Pst End 10 25 92 Date Format Month Day Device Name 25 characters max The device name is a user defined identifier used to repre sent the specific RMCC on modification and status screens within UltraSite Record Logins Yes No No The Record Logins feature configures the RMCC to record 2 System Configuration 026 1005 Rev 1 06 09 97 the password level of users logging into the controller When Record Logins is activated the RMCC will send a notice to the RMCC Alarm Log each time users log onto the RMCC from the front panel or through a remote con nection Included in the log entry are the date time and password level To activate the Record Logins feature put a check in the Record Logins box DST Mode options Automatic When the time changes to standard time or to daylight sav ings time the RMCC s clock should be modified accord ingly Time changes occur twice a year in most areas The DST Mode field defines how the system will change its set tings for daylight savings time There are three modes to choose from e Automatic USA the controller will begin daylight savings time on
18. 09 97 5 Case Control Boards Menu Screen Map Settings for case control boards CCBs DIES may be edited and viewed from the Case ae Control Boards system tree menu Cit ee View Alarms Log Inventory Circuit Assignment Log Intervals Alarm Setup Offsets Stepper Setup Setup Instance a A eres Y Page Setpoints Liquid Pulse Stepper Valve CCBs Section 5 2 1 Liquid Pulse Stepper CCB Set Points Setpoints Hussmann Suction Stepper Valve Section 5 2 2 Hussmann Suction Stepper CCB Set Points CCBs Setpoints CPC Suction Stepper Valve CCBs Section 5 2 3 CPC Suction Stepper CCB Set Points 30 Circuit Menu See Section 6 Circuits 35 View Alarms See P N 026 1002 UltraSite User s Guide Section 14 Alarms 14 1 Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set 16 2 points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory Circuit Assignment Section 5 3 CCB Circuit Assignment Log Intervals Section 5 4 Case Log Intervals Alarm Setup Liquid Pulse Stepper Valve Section 5 5 1 Liquid Pulse and Stepper CCB Alarms CCBs e 9 Alarm Setup Stepper Valve CCBs Section 5 5 2 Suction Stepper CCB Alarms 9 Offsets Section 5 6 Case Offsets Stepper Setup Section 5 7 Stepper Setup Setup Instance Section 5 8 Setup Instance 34 31 32 32 33 33 34 UltraSite User s Guide RMCC Supplement Case Control B
19. 1 06 09 97 e Manual Mode see Section 6 3 e Input Alarm Limits see Section 6 6 e Circuit Setpoints see Section 6 4 e Advanced Defrost Options standard hot gas elec tric defrost circuits only see Section 6 11 or Sec e Circuit Defrost Times see Section 6 5 tion 6 11 2 UltraSite User s Guide RMCC Supplement Circuits 51 7 Compressors rom the Compressors menu users may iCompressors Compressor 1 add new compressors change compres Status sor settings and view compressor sta Setup tu S f View Alarms Print Setpolnte Log Inventory Option teens Y Page Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving Component Log Inventory 7 1 Compressor Setup Compressor Setup Fa Compressor 1 Type p p Variable Speed 440 Output Point jo jo i Run Time Dil Sensor Transducer Offset Transducer Type Low Oil HP AMPs jo po SS l Send To aX IO m compressors IS specified in the Compressor Setup dialog box l Proof 52 e Compressor Setup Type options Compressor Compressor stages are defined in the Type field If a vari able speed compressor is defined in the group it must be defined as the first stage Compressor 1 If no variable speed compressor is defined the first stage may be defined as a conventional compress
20. 6 4 1 Case Control Circuit Setpoints or until one of the termination strategies defined in Section 6 8 1 Case Control Circuits call for defrost to be terminated To man ually activate a defrost cycle select the Start Defrost button and click OK End Manual Mode Both manual and defined defrost cycles may be manually deactivated in the Manual Mode dialog box When defrost is manually deactivated the circuit is returned to normal re frigeration after the programmed termination drain time is completed To manually deactivate a defrost cycle within a selected circuit select the End Manual Mode button and click OK Start Override Wash In addition to activation and deactivation of defrost cir cuits may also be manually overridden OFF in the Manual Mode dialog box When a manual override is activated re frigeration defrost and fans will be overridden OFF for the selected circuit until the override is deactivated at this screen Unless another circuit is in defrost the Master Liq uid Line Solenoid will also be overridden OFF To activate a manual override within a selected circuit select the Start Override Wash button and click OK Circuits 39 Emergency Defrost The Emergency Defrost command is much like the Start Defrost command except that emergency defrost cycles 1g nore all termination temperature sensor readings and de 6 4 Circuit Setpoints 6 4 1 Circuit Setpoints e Circuit 1 HDIC 01c y m Defr
21. 8RO 4A0 8DO None None The Type field is where the type of output board is defined Users may select the 8RO Relay Board the 4AO Analog Output Board the 8DO Digital Output Board or None if the output is not going to be given a board and point ad dress Board and Point The desired board and point address for the output is en tered in the Board and Point fields 8DO Interval If 8DO is chosen in the Type field specify an interval in the 8DO Interval field The interval is the amount of time over which the 8DO s output will be applied for example if the output value being sent to the 8DO is 60 and the 8DO In terval is set to 1 second the 8DO will turn the output on for 0 6 seconds 60 of a second turn it off for 0 4 seconds and repeat this cycle every second Analog Output Modules 21 3 7 Sequencer Setup Analog Outputs Sequencer Fa Analog Output 1 AY OUTPUT 01 Linear Number of Stages jo Sequencer Type On Off 00 01 00 00 01 00 0 0 100 0 Interstage Delay Maximum In Sequencer Output when ON Sequencer Output when OFF Cancel Send To m Lars necessary T a up ANA Output Module s Sequencer cell are in this dialog box The Sequencer cell defined in this dialog box uses the 0 100 PID output to control up to eight digital stage out puts Refer to Section 3 7 2 3 Analog Output Module for more information about the Sequencer cell Sequencer Typ
22. A E A ashe maupadens 7 LSe LOGGOGNGCONHGURATON ta T a a N 7 ES ALARM SETUP ai 8 ELO POTS OARS loa 9 Z ANALOG INPUEVMODUEES a AS 10 2A ANALOG INPUT MODULE STATUS SCREEN sarita A an 11 22s SETPOINTS CUT IN ia 12 PAo N o AE E E EE E AE TE EE ea Sas ao Oa A A ATE T E 12 24s SETUP COMBINER TL MTA O FTE TER a a A dite gre E 13 23s ANALOG INPUTS INPUT SETUP AA AAA AAA A 15 230 ANALOG INPUTS OUTPUT SEU e 15 Zele COUNTER SETUP aia 16 B GTP ANG LANCE e i 16 3 ANATOG OUTPUT MODUS ua A a Oa AEAEE 17 ls PEN AE OG OUIPUTS STATUS ida das 17 52 ANALOG OUTPUTS SETPOINTS SELECT PECAR dai 18 3 5 ANALOG OUTPUTS SE TUPA PETER PWV NDA aa 19 OG ANALOG QUIPUTS PUD SE UA oia 20 3 5 ANALOG OUIPUT INPUTS SE TO Porra Aia 21 356 ANALOG OUTPUT OUTPUTS SETUP a as 21 Fle FOUE NCE RSE RA O CESE O E 22 Dey NO A eens 23 A ANTES WEAT MENU a a a a a Ea a a Ea Naa 24 AI NES WES AS r E 24 Az ANTES NENA TIE TRONO A A A 25 a5 ANI EOW AT OOTPOTS SETUP rai al 26 aa DE TURISTA CS Se a eee RPP e ios a o PEN o esos 26 5 CASE CONTROL BOAR DS MEN Uzaro e a a aae aa a a a aa O a a a aaae aia 27 dla AGE BES TATU CREEN a dali 28 I2 SO A O Ne ee ar 29 32da signa Pulse7Siepper CCE SeT OMIS ere A A a 29 5 2 2 Hussmann SUCTION Stepper CEBA dd 30 Mad CP CSUCHION SEO per CCD DEL FOILS A A A ta ta oaeaoes 30 J CCB CIRCUA A SSIGNIMIBN Grif cds Gane eli etal a accion dios 31 a ASE LOGIN IR A ea gaa NENE 32 0 C ECPALARM UA da dali ecos 32 Had AG Pulse
23. Anti Sweat i imit 60 0 High Limit Derivative Gain 0 0 Low Limit 40 0 Frost Sensor OK Send To 30 CCB Setpoints defined in the Coil Out Fan Lockout To activate this fea ture specify a temperature set point in the Coil Out Fan Lockout field To disable the Coil Out Fan Lockout feature enter a temperature set point of 99 Output Filter 10 100 100 At times the EEV may react too quickly to the control commands supplied by the CCB To compensate the CCB may be programmed with a valve filter value The change in valve opening or closing called for by the RMCC during each six second control loop is automatically multiplied by the valve filter percentage resulting in a smaller adjust ment to the EEV Refer to P N 026 1102 Refrigeration Monitor and Case Control Installation and Operation Manual Section 8 2 Temperature Control for more in formation Hussmann Suction Stepper CCB Set Points Anti Sweat High Low Limit 0 100 60 40 When the Anti Sweat feature 1s enabled the anti sweat heater range for each case is defined in the Anti Sweat High Limit and Anti Sweat Low Limit fields If the calcu lated humidity exceeds the defined Anti Sweat High limit the anti sweat heater will remain on at all times If the cal culated humidity drops below the defined Anti Sweat Low limit the anti sweat heater will remain off at all times Be tween these set points the anti sweat heaters wil
24. Circuit Setpoints Type is defined or if termination conditions are not met the circuit will remain in defrost until the defined Defrost Du ration is complete Defrost Times Drain O 999 sec 5 sec Immediately following defrost an unacceptable amount of moisture may still be present on the evaporator coils After refrigeration begins this water may freeze and reduce sys tem performance To establish a drain time which is the duration after defrost the system sits idle before returning to refrigeration enter a value in the Defrost Times Drain field Demand Defrost Times Fail Safe 0 240 hrs 0 hrs The Demand Fail Safe Time 1s the maximum number of hours the circuit will operate without defrost 1f for any rea son defrost is not called for by a demand defrost sensor in stalled in the case When using scheduled defrosts see Section 6 5 Circuit Defrost Times defrost will occur at the next scheduled defrost time following the demand fail safe period Demand Defrost Times Alarm 0 240 hrs 0 hrs The RMCC will activate an alarm in the Alarm Log when defrost has not occurred in the selected circuit for the amount of time defined in the Alarm Time field O 100 0 If the Mixed Air strategy is chosen as the Circuit Temper ature Control strategy at the Circuit Setup screen see Sec tion 6 8 the discharge to return air percentage is defined in the D R Weighting field Enter in the D R Weighting fie
25. Delay O 3600 sec 30 sec The Inverter Reset Delay is the amount of time between in verter reset attempts Reset Count 0 240 attempts 3 attempts The Reset Count is the number of attempts the RMCC will make to reset the inverter If the inverter has not reset after the last reset attempt the inverter will be considered failed Inputs The board and point addresses of the Proof and Inverter Alarm inputs are entered in these fields Outputs The board and point addresses of the VS Fan both 4A0 and 8RO points Inverter Bypass and Inverter Reset out puts are entered in these fields 8 7 Edit Condenser Fan Bd Pt Assignments Edit Condenser Fan Board Point Assignments Es Output Proof Output Pt Ed a oo Fonz 0 0 Oo rons fo fo rans 0 fo Oo ns O Oo AR AA AAA AAA E Send To UltraSite User s Guide RMCC Supplement Output locations for the condenser fans are specified in this dialog box The output connections for all condenser fans and their proofs are specified in the Edit Condenser Fan Board Point Assignment dialog box Condenser Menu 61 8 8 Condenser PID Setpoints Condenser PID Setpoints Fa Condenser Setpoints PID Output Range Low PID Output Range High PID Out at Setpoint q Cancel Send To Constants used in the Condenser PID al gorithm are specified in these fields There are three modes of control used in PID control
26. Input Output Network Compressor Groups Copeland oil system 81 Compressors bypassing 86 clearing run times 52 oil automatic reset 88 on off delays 86 one always on 88 phase protection 82 proofs 53 running compressor during defrost 82 running compressor during reclaim 82 set points horsepower and amps 53 low oil 53 setup 52 53 89 defining type 52 oil sensors 32 variable speed max increase decrease rates 87 min max set points 87 viewing status 86 Condenser air cooled 57 defining control source 57 equalizing runtimes 59 evaporative 57 control calculation 58 defining control source 57 fast recovery value 58 fans bypassing 55 defining type 57 set points 56 fast recovery 56 set point for first fan 56 shift during reclaim 56 single speed fast recovery inter stage delays 59 interstage delays 59 throttle range 56 two speed high speed HP 61 high to low delay 60 initial speed duration 60 initial speed start 60 low speed HP 60 low to high delay 60 relay activation 60 try other speed on proof failure 60 variable speed inverter reset count 61 inverter reset delay 61 min max RPM 61 VS increase de crease rates 61 setup 57 58 control source 57 Controlled By 57 58 defining refrigerant type 58 discharge transducer type 59 evaporative control calculation 58 Fast Recovery Value 58 inlet transducer type 59 mininum ON OFF time 58 outlet transducer type 59 proof clear delay 58 proof clearing 5
27. Loop Output to a user defined value for a user defined amount of time Sequencer Turns ON a number of defined stages as the PID output increases from 0 100 Zero percent no stages ON 100 all defined stages ON PWM Converts the Analog PID PWM Loop Output percentage to a digital PWM signal A 30 percentage ON for 30 of pulse width etc Analog Output Module Select Filter Occ SP In 1 a A ae Pn In2 nalog PID PWM Occupied alo M Override Loop Output Occup In Out Command on off normal Type timed fixed OV time Occ Fallback Unoc Fallback Output during Failure PID Setpoint Setpt Float Digital Stage Sequencer SP In Out 1 8 Output Input Stage 1 SA Float Stage 2 an See PID Stage 5 Wr Stage 6 9 Setpoint I a Control Value j T I Input Out EE gt P gt Direct Acting l l Num ie D a Direct Acting Digital PWM Output In Out Period Range PID Gaie Output setpoint Min Max Output 26512022 UltraSite User s Guide RMCC Supplement Appendix B I O Module Quick Reference 103 Index Numerics 16AI Analog Input Boards defining number of 9 485 Alarm Panel alarm filtering 4 disabling alarm reset 8 sending notices to 8 4A0 Analog Output Boards defining number of 9 SIO Input Output Board defining number of 9 8RO
28. ONO Meppen CCBA ATINS cca AAA SA AA AAA temas 32 UltraSite User s Guide RMCC Supplement Table of Contents i IZ SUENO Ep per COB ALONSO AAA AA Hacc 33 A A A ne OR Tre ee EO Bee eT PRT ee CRT Ton ee men nr er Taree 33 I o O ET SPOS OPO Se RA See EN 34 or OI INS NO ado aaa ido 34 6 CIRCUL Sonini e a 35 Oe HUNDI OSE Paa a E E A A A SOR Se mr SR Er ee oI 35 02 INDVIDUAL CIRCUS MENU aaa to A E da 36 O2 Sandara Circul Sla US aT ias 37 O22 Case CONIIOL Creu S AIS nad Si in Uca 38 0 IMAN UA MODE a oo 39 OE LON EE A outs canbege saat on gseuieatanesa ne teammincounin gate sas noe auntie ciate 40 CAL Case CONTLOL CIV CULL S CIPON A Aa 40 OA LONA RACE S DOS AAA SAA Ad 4 REE DEEROS T FIMES a ll toas ids Dos 42 GO INPUT ALARM INES tear tad 42 A CREU A A ee rE RC eee 43 AR O BW o A re A POE OTE O eR Te Re Ree nr TER Pe eRe eRe ee ere ee oe 43 bol Case CONTO EME an a diia Sle anaecieaectiay 43 Oz TAI CACA Sa at in pies tt roedor 46 00 CIRCUM INPUTS SETUP at adria ci tac 48 OLO CIRCUM OUPO SOP TUE di daa 49 OLL ADVANCED DEFROST OPTION Gacr a a a a e a a a A ce 49 OAT TET A E MR E eine MEME rete Sma en erty rr 49 OME TLO SAO T E A A AO 50 0 12 CIRCUM SETUP TING TAN CE AA A a 50 T COMPRESSOR S nara aaa 52 Lalo COMPRESSOR SETUP ina alias oir dies 52 o CONDENSER MENU a AAA EA EAS INEA ANA ADAN CI OS oo IEEE OE 54 Ss CONDENSER STATUS A AAA AR 55 9 2 CONDENSER SETPOINT Sarara a e aa aa a a ia 56 0 0 CONDENSER CONFIGURATION in AA AA ass 57
29. See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory 84 Setup Application 026 1005 Rev 1 06 09 97 13 7 1 Suction Group Status Screen Discharge 399 840 mb Setpoint 100 0 Phase Loss Off Suction Setup Off Subcooler Off Group 1 O XX 5 400 40 40 30 30 30 SUCTION 20 20 10 10 20 o o 10 10 10 20 20 30 30 Suction 793 940 pA t Setpoint TSO lop penga Float Temp Min 20 0Max 30 0 VS Inverter Alarm Controlled By Pressure VS Alarm Strategy Normal Inverter Reset Koneck it Failed Open COMPRESSORS Defrost Inhibit Status gt eed Owe Sy peb Sy OE Runtime 0 0 0 Oil Pres NONE NONE NONE NONE NONE HP 10 10 10 10 7 Proof OK OK OK OK Ok Other Groups i gt Condenser gt Unit Summary The current status of an individual com pressor group and the suction and dis charge pressure is shown in the Suction Group Status screen suction The suction pressure and temperature are shown in the pressure and temperature gauges Underneath each gauge the pressure and temperature appears in numerical form in the Suction fields The suction set point is shown in the Set point field and is also represented as a green dot in the suc tion pressure gauge If Floating Setpoints are enabled the floating set point con trol temperature is shown
30. Setup dialog box The Fixed Step Strategy must be defined in the Suction Group Setup dialog box see Section 13 7 4 for the RMCC to cycle the com pressors according to the strategy configured at the Fixed Steps Setup screens Users specify which compressors will activate or deacti vate by checking the white boxes in the dialog box Each row corresponds to a different step steps 1 20 Each col 13 7 7 PID Settings PID Settings Group 1 Proportional Constant 3 0 Integral Constant 20 lo Dernvative Constant PID Scan Exclude 5 Allow only one switch 90 Individual Suction Groups umn corresponds to a different compressor or unloader Putting a check in a box will activate the specified com pressor for the specified step number Leaving a box blank will deactivate the compressor for the specified step It is recommended that all compressors be configured OFF in the first stage of the strategy For the remaining stages select the appropriate compressors or unloaders to be acti vated by putting a check in the box of the appropriate com pressor or unloader in the stage fields The RMCC will activate the stages when the suction pres sure is above the suction pressure set point and will cycle through the defined stages until the pressure falls to the set point When the suction pressure set point is met the RMCC will cycle backwards through the defined stages until the first stage of the cycle i
31. a standard PROTOCOL Hot Gas defrost circuits are configured in this dialog box To enable Advanced Defrost check the Use Advanced De frost Options box Host Compressor Group Group None The compressor group within the circuit that will control defrost is defined in the Host Compressor Group field To define the compressor group choose it from the scroll field The RMCC will shed compressor loads based on the max imum number of compressors to run during defrost and based on the specified amp rating of each compressor with in the group Group numbers are defined at the Compressor Setup screen see Section 13 7 5 6 12 Circuit Setup Instance som a E users z access aj circuit related dialog boxes in succes sion When Setup Instance 1s chosen all dialog boxes related to circuit setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When 50 Circuit Setup Instance disable the feature Enter the number of amps being drawn by the defrost heaters in the Electric Defrost amps field Hot Gas Defrost Type Standard Reverse Stan dard There are two types of Advanced Hot Gas Defrost Systems Users may choose from the following types e Standard all compressors within the host group are shut down during the defrost duration and return to normal operation when the defrost duration is com plet
32. box shown above The Alter Board box rela Temp 2 lists all possible RMCC inputs To select an input simply left click it and Group 2 Suction Pressure Temp 4 press OK The appropriate index number is automatically entered into the faswovrom Term input field rea coy spare I T The inputs in the Alter Board dialog box are listed in the same order as the Input Definitions screens accessed from the RMCC front panel Refer to P N 026 1102 RMCC Installation and Operation Manual Section 7 9 1 Input Definitions for descriptions of these inputs Output Board The Output Board option allows a user to choose an output from any out put board point on the RMCC Input Output Network O eea Select Normal Input C Select Circuit Input NONE H Compressor 2 When the Output Board option is selected a field appears beside the input Compressor 2 along with a button called Alter Index Pressing the Alter Index button Compressor 4 Compressor 5 brings up the Alter Board dialog box shown above The Alter Board box Compressor 7 lists all possible RMCC outputs To select an output simply left click it Compresso A and press OK The appropriate index number is automatically entered into cidad 11 the input field Compresso 14 For simplicity the Alter Board dialog box splits the RMCC outputs into Comoressor 17 M two categories the Normal Outputs which contain all non circuit related outputs and Circuit Outpu
33. box up to eight days of the month may be specified as holidays For each of the eight fields enter the month and day of the holiday separat ed by aslash During the defined holiday dates all lighting schedules will be overridden OFF Device Setup Menu 3 1 3 485 Alarm Filtering Alarm Filtering x AMCC 1 REFRIG MONITOR amp CONTROL Send Alarm to 485 Alarm Panel for l Circuit High Alarms Sensor High Alarms FT Sensor Low Alarms Compressor Pressure Alarms l Network Alarms l Checkit Alarms Sensor Failure Alarms Refrigeration Leak Alarms CCB Sensor Alarms Miscellaneous Alarms _ Cancer Senato z ma AN users may a which alarm types are sent to the 485 Alarm Panel If the Send Notices to 485 Alarm Panel field is set to YES both alarms and notices will be filtered by the settings in this screen Using the Send to 485 Alarm Panel screen users may choose which alarm types to send to the 485 Alarm Panel Alarm types marked with a YES will be sent to the 485 Alarm Panel alarm types marked with a NO will not be sent to the alarm panel The ten different alarm filter categories and the alarm types within each category are listed below For additional information on alarm types See Alarms Section 14 8 of the RMCC Installation and Operation Manual P N 026 1102 e Ckt Hi Circuit High This alarm type includes the Hi Temp and Hi Avg Temp alarms e Checkit This alarm
34. during normal operation To define the suction set point enter the desired pressure set point in the Suction Setpoint field Suction Deadband 0 99 0 2 The dead band is the value equally above and below the pressure set point within which the pressure level is consid 86 Individual Suction Groups Other Groups Clicking the left mouse button on the Other Groups button will call up a dialog box where status screens for other suc tion groups may be accessed Clicking the right mouse button on the Other Groups button will bring up the Suction Groups Main Menu as shown in Section 13 Condenser Clicking the left mouse button on the Condenser button will bring up the Condenser Status Screen see Section 8 1 Clicking the right mouse button on the Condenser button will bring up the Condenser Main Menu as shown in Sec tion 8 Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu ered to be acceptable This value should be based on the suction set point to reduce short cycling of the compres sors To establish a pressure set point dead band enter a value in the Suction Deadband field Compressor Unloader On Off D
35. either On or Off Sensors Clicking the left mouse button on the Sensors button brings up a dialog box where status screens for other sensors may be accessed Clicking the right mouse button on the Sensors button brings up the Individual Sensors Menu see Section 12 3 Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu Sensors Main Menu 75 12 3 2 Sensor Setpoints Sensor Setpoints Sensor 1 Cut On Cut OFF Cut On Delay jo sec Cut Off Delay fo sec pa min Minimum On Time Control By Use of enzo NONE E NONE El NONE El oK Send To onirol set points for sensors controlling outputs are specified in this dialog box Sensor set points are control parameters stored within the RMCC that are compared to sensor readings to determine the controlled output function These set points are only de fined when the selected sensor is controlling an output Cut On Cut Off 9999 9999 OPEN CLOSED 0 0 Sensor Cut On Cut Off set points may be defined as specif ic values for analog input sensors or as NONE CLOSED or OPEN for digital input sensors The Cut On set point is the value at
36. is added to the current value of the Count output Setup Instance cycles through the dialog boxes in the fol lowing order e Analog Input Module Setup see Section 2 4 e Analog Input Inputs see Section 2 5 e Analog Input Outputs see Section 2 6 e Analog Input Counter see Section 2 7 e Analog Input Setpoints see Section 2 2 e Analog Input Alarms see Section 2 3 026 1005 Rev 1 06 09 97 3 Analog Output Modules Screen Map In the Analog Output Modules menu us AA ers may view active diagrams of Analog Setpolrts Select Float Output Modules and define cells within View Alarms Print Setpoints modules a ater A PID Setup Inputs Outputs Setup A quick reference showing a diagram of the Analog Out aie ie put Module and a brief description of all inputs outputs Setup Instance and cells is given in Appendix B DE E CN EN Setpoints Select Float Section 3 2 Analog Outputs Setpoints Select Float View Alarms See P N 026 1002 UltraSite User s Guide Section 21 1 Viewing 219 Alarms See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points 3 1 Analog Outputs Status Analog Output 1 AV OUTPUT 01 E al ad The current status of an Analog Output l asns Module and all cells within the module n orae a ee are shown in the Analog Output Module ae _ ie Status Screen The Analog Output Module Status Screen gives a complete real time view of
37. maxi mum rates at which the speed of the compressor may be in creased or decreased Yes No No In some suction groups the variable speed compressor may not be the lowest horsepower compressor in the suc tion group Therefore it may not be desirable for the vari able speed compressor to always come on first Checking the Use Alternative Strategy box will allow the RMCC to look for alternative compressors before activating the vari able speed compressor OFF on Failure Yes No Normally when an inverter fails the inverter reset is tog gled seven times before an alarm out is activated This se quence is repeated twice Afterwards if the inverter is still being detected as failing the inverter will either shut off or remain on indefinitely Checking OFF On Failure will specify that the inverter be turned off at this time If it is not checked the inverter will remain on indefinitely Use Alternative Strate Suction Group Alarm Setup Suction Setpoint These set points may be defined in the High Suction and Low Suction fields High Low Suction Delays 0 240 min 60 min The High Low Suction Delays are specified durations in which the measured suction pressure must remain above or below the High or Low Suction set points before the RMCC generates an alarm To define a suction time delay enter values in the High Suction Delay and Low Suction Delay fields Pump Down 20 999 0 5 The RMCC will generate an alar
38. no stages will be ON Likewise when the PID Output is equal to or above the Maximum In set point the Sequencer interprets the PID Output as 100 i e all stages will be ON If the PID output is between these two values the Sequenc er translates the PID Output to a percentage of the range formed by the Mininum Maximum values For example if the Minimum Maximum Range is 20 100 and the PID Output is 60 the Sequencer will interpret this value as 50 since 60 is halfway between 20 and 100 Sequencer Output when ON ON OFF NONE ON Sequencer Output when OFF ON OFF NONE OFF The Sequencer Output when ON and Sequencer Output when OFF fields determine the actual digital values of the sequencer s digital state outputs When the Sequencer cell calls for a digital output stage to be ON the actual value of the stage output will be the value specified in the Sequencer Output when ON field Likewise when a stage 1s called to be OFF the actual output value will be the value specified in the Sequencer Output when OFF field For example if the Sequencer Output when ON field is set to NONE and the Sequencer Output when OFF field is set to OFF all stage outputs will be NONE when the Sequenc er cell calls for them to be ON and OFF when called to be OFF 026 1005 Rev 1 06 09 97 3 8 Setup Instance Setup Instance allows users to access all Analog Output related dialog boxes in succession When Setup Instance 1s chosen all d
39. on the thermometer or any of the fields in the Anti Sweat Status screen brings up the Anti Sweat Setpoints dialog box see Section 4 2 Anti Sweat Setpoints Clicking the right mouse button on the thermometer or any of the fields in the Anti Sweat Status screen brings up the Anti Sweat Circuits Menu as shown in Section 4 4 2 Anti Sweat Setpoints Setpoints Anti Sweat All On All Off Dewpoints jes 25 Percentages ON during 100 jo Dewpoint Offset jo F Humidity Offset jo E Board and Point Configuration Board o Pomt Humidity jo jo Temperature o o Set points used in the operation of anti sweat circuit control are defined here Dewpoint All OFF All ON 20 99 65 259 The Dewpoint All OFF set point is the minimum dewpoint below which the anti sweat heaters will remain OFF at all times The Dewpoint All ON set point is the maximum dewpoint above which the anti sweat heaters will remain UltraSite User s Guide RMCC Supplement Unit Summary Button Left clicking the Unit Summary button calls up the Unit Summary screen Right clicking the Unit Summary button calls up the same menu brought up by right clicking the BEC from the system tree see P N 026 1002 UltraSite User s Guide Section 20 1 Getting a Unit Summary for more information ON at all times Between these dewpoint values the anti sweat circuit will pulse ON and OFF for a percentage of the time interval defin
40. options Users may choose from the following transducer types e 200 lb e 500 lb Offset 99 99 0 If the discharge pressure transducer is known to read lower or higher than the known condition being monitored an offset value may be specified in the Offset field Brand Standard Eclipse Eclipse If an Eclipse brand transducer is being used as the dis charge pressure transducer choose Eclipse from the scroll options If a standard transistor is being used choose Stan dard Bd Pt Assignments The board and point addresses of the discharge pressure discharge temperature phase loss suction setup Checkit sensor and subcooler inputs are defined in these fields The system passwords required to log on and modify the RMCC system are defined in the Password Setup dialog box The RMCC system requires a password for all users to en ter and modify the system There are four levels of access to the RMCC 100 200 300 and 400 level A list of allow able actions for each password level is shown in Table 1 1 Device Setup Menu 5 Default Password Actions Allowed e Manual Defrost e Acknowledge and Reset Alarms e Bypass Compressors and Fans 200 Level 100 plus e Adjust Set Points e Clear Alarm Logs 3 300 Level 200 plus e Perform Setup Functions Table 1 1 Password Levels and Available Tasks Passwords may be changed to any six character string Af ter a new password is defined and saved it may be
41. pro portional integral and derivative Each of these control methods requires a constant that may be defined in the PID Settings dialog box For a complete definition of PID con trol see P N 026 1102 RMCC Installation and Operation Manual Section 3 2 Pressure Control Contact CPC before changing any of these values 8 9 Condenser Setup Instance ane a NE users p access aj condenser related dialog boxes in suc cession When Setup Instance 1s chosen all dialog boxes related to condenser setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When the condenser is created in UltraSite the Setup Instance se quence is initiated automatically 8 10 View Runtimes Condenser Fan Runtimes rpi gt gt ppt pth ph i Send To 62 Condenser PID Setpoints Setup Instance cycles through the dialog boxes in the fol lowing order e Condenser Configuration see Section 8 3 e Condenser Setup see Section 8 4 e Fan Control Single Two Variable see Section 8 6 e Edit Condenser Fan Bd Pt see Section 8 7 e Condenser PID Setpoints see Section 8 8 e Condenser Setpoints see Section 8 2 e Transducer Setup see Section 8 5 The runtimes for each pair of condenser fans are shown in the Condenser Fan Runtimes dialog box The Condenser Fan Runtimes dialog box shows the num ber of hours each
42. refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 2 Dig ital Output Module UltraSite User s Guide RMCC Supplement Digital Output Modules 63 Other special operating characteristics are also displayed in the Analog Output Module Status Screen If the module is in override the Override cell shows whether the module is being overridden ON or OFF whether the override is fixed or timed and if timed how many minutes and seconds are left in the override Programming I O Modules Programming I O modules may be done simply and quick ly from the status screen To make changes to any cell in put or output right click on the desired element A pop up menu will appear allowing the user to either change the settings in the selected cell input or output or change set tings in other cells inputs or outputs within the same mod ule The setup dialog boxes selected in this manner are described in more detail in the sections below Double clicking the left mouse button on any of the hotspots on this screen brings up the Digital Outputs Set points dialog box see Section 9 2 Bypassing Users may bypass the Output OFF or ON by right clicking the Override cell in the Status screen and selecting By pass from the menu that appears In the Bypass dialog box 9 2 Digital Output Setpoints Setpoint x Digital Output 1 DY OUTPUT 01 Minimum On OF Minimum On Time jo min jo min Mi
43. set of condenser fans has been running If desired any of these runtimes may be cleared by highlight ing the desired field and typing zero 026 1005 Rev 1 06 09 97 9 Digital Output Modules Screen Map In the Digital Output Modules menu us ers may view active diagrams of Digital Digital Outputs Output Modules and define cells within nur modules Setpoints Min On Off One Shot Proof BE View Alarms Setup Combiner Schedule Inputs Outputs Setup Counter Setup Setup Instance oe tere OT Page Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points Section 9 4 Digital Output Module pas e 9 1 Digital Output Module Status Digital Output 1 The current status of an Digital Output Module and all cells within the module are shown in the Digital Output Module Status Screen Output The Digital Output Module Status Screen gives a complete None fin pusewan i real time view of the operating status of a Digital Output None susperacowt pt car Module Data are presented in a cell diagram form that ad shows not only the module s inputs and outputs but also the values entering and leaving each cell within the mod 1996 CPC Other Digital Outputs I gt Analog Inputs i gt Analog Outputs i gt Unit Summary 1 0 Summary O ule For a complete explanation of each cell s function within the Digital Output Module
44. specified in Linearity Band this dialog box Unlinear Coefficient Precision Advanced PID options are used for fine tuning of PID con trol If unused all values should be set to zero Dead Band 2 Contact CPC before adjusting any of these values 5 H P on Edge UltraSite User s Guide RMCC Supplement Suction Groups 91 Appendix A RMCC I O Module Input Sources The RMCC s I O Control Modules are capable of using fixed ana MA x log or digital values I O Module Outputs I O board points and or Analog Input 1 AV INPUT 01 z si Input Value 1 Analog Value F Value X 7 5 a number of internal RMCC values as control inputs oe aa i The input sources for I O Modules are chosen in the Inputs dialog MputWalue Sensor Contiot_ Senso _ Analog Contor Va nput Value ompressor Group uction bd boxes an example of which is shown in F igure L In general the aw 4 category to which the input source belongs is chosen in the leftmost Alem pisabled VS Percentage field When this category is chosen fields appear in the right hand Notice Disable None gt Float Temp columns where users may choose the specific device from which _ Alt Combiner the input will be taken and which device characteristic will be used See T as the input Below is a complete list and description of all possible input types a Fi l E Input Setup Dialog B All inputs that are expressed in bars are multiplied by a x
45. the Individual Circuits Menu for the circuit to which the CCB is assigned See Section 6 2 for more in formation Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 20 1 Getting a Unit Summary 026 1005 Rev 1 06 09 97 5 2 CCB Setpoints The CCB Setpoints screens and other screens are different depending on the type of valve being controlled by the CCB Liquid pulse stepper valves Hussmann suction step per valves and CPC suction stepper valves all have their 5 2 1 CCB 2 20 RI DOORS Version 6 01L CCB 5 0 and higher Enhanced Setpoints Superheat Setpoint e Close Rate 0o Z min Sensitivity 4 255 instant Recovery Percent zo oo CCB 6 0 and higher Enhanced Setpoints Max Recovery Time 240 secs Derivative Gain 0 0 rpts min Anti Sweat Coil Out Fan Lockout foo High Limit 60 0 Dutput Filter z Low Limit 40 0 Frost Sensor Case Deadband 05 Valve Multiplier 100 OK i Y Send To Set points for the control of the evapora tor in liquid pulse and stepper CCBs are defined in the CCB Setpoints dialog box Superheat Setpoint 3 24 8 7 The case controller determines the valve percentage open ing by monit
46. the RMCC receives a contact closure from the cleaning UltraSite User s Guide RMCC Supplement switch input defined in Section 6 9 Circuit Inputs Setup Users may choose from the following switch types e Clean Case Control Circuits are overridden OFF deactivating the refrigeration valve the fans and the lights when the RMCC receives a contact closure from a Clean Switch input e Door All lights within a walk in cooler are overrid den ON and all refrigeration and fan operations are overridden OFF when the RMCC receives a contact closure from a Door Switch e Door Curtain All lights within a walk in cooler will follow the lighting schedule defined in the Light Schedules section see Section 10 Lighting Sched ules Menu and all refrigeration and fan operations are overridden OFF when the RMCC Door Curtain Switch is open When a contact closure is detected all light refrigeration and fan operations are over ridden ON Cleaning Switch Type Timed Switched Switched Defined cleaning switches perform overrides according to the strategy defined in the Cleaning Switch Type field Us ers may choose from two override strategies e Timed the timed strategy utilizes a momentary switch that overrides the circuit OFF for a defined period of time When selected the override duration should be entered in the second Cleaning Switch Type field e Switched a manual switch that activates the over ride when closed and de
47. transducer choose Standard Low Oil 0 999 0 If the oil sensor is defined as a pressure transducer in the Oil Sensor field the RMCC calculated oil pressure that will cause the compressor to terminate must be defined in the Low Oil field This value is determined by the compres sor manufacturer refer to the compressor user s manual for the Low Oil value UltraSite User s Guide RMCC Supplement HP AMPs 0 999 15 Enter the Horse Power or BTU rating of the selected com pressor in the HP AMPs field This value is determined by the compressor manufacturer refer to the compressor s user manual for the power rating Make sure that either all compressors are defined in horsepower or BTUs and that the number entered is a whole number round off fractional values If using Hussmann PROTOCOL advanced electric de frost the amp rating of the compressor must be entered in this field The RMCC uses the compressor amp ratings in advanced electric defrost to shed compressor loads Proof Yes No No To set up a compressor proof input for the selected com pressor stage the RMCC must be configured to look for a contact closure indicating the activation of the compressor or unloader To activate this proof feature check the Proof box and enter the board and point address of the proof con tact Compressors 53 8 Condenser Menu Screen Ma ondenser settings may be changed an condenser status may be view
48. type includes the Check Sys 4 485 Alarm Filtering tem Now and Check System Soon alarms Sens Hi Sensor High This alarm type includes the Hi Sens and Hi X Ducer alarms generated by Sensor Control Sens Lo Sensor Low This alarm type includes the Lo Sens and Low Avg Temp alarms generated by sensor control Sens Fail Sensor Fail This alarm type includes the IRLDS Fault Sensor Fail Sensor Short Sen sor Open Xducer Short and Xducer Open alarms Comp Pres Compressor Pressure Alarms This alarm type includes the Auto Reset Discharge Tripped Hi Suction and Oil Pressure alarms Refr Leak Refrigerant Leak This alarm type in cludes the Leak alarm CCB Sens CCB Sensors This alarm type in cludes the Coil In Coil Out Co1l2 In and Coil2 Out alarms Network This alarm type includes the Bad Checksum Bad Message Device ONLINE Host Bus Network Down Missed Token and No Re sponse alarms Miscellaneous This alarm type includes all other alarm messages not covered in the first nine cate gories These include the Condenser VS Fan Proof Condenser VS Inv Fail Defr Timed De mand TimeOut Dialout Unsuccessful Dig Alarm Override ON Fan Proof FP Level lt 999 gt Login High Speed Proof Hi Humidity Hi Term In Override Inverter Fail Lo Suction Lo Xducer Low Humidity Low Speed Proof Low Temp Low Term Manual Alarm Ovrride ON Manual Defr Manual Term Ovrd Active Ovrrd Phase Fail Ph
49. until both outputs are ON When the output is ON it will not turn off again un til either the Occupied input or the combined input from the DVCombiner cell is OFF 9 4 Digital Output Module Inputs Digital Output 1 Input Value 1 None y Input Value 2 None y Input Value 3 None y Input Value 4 None M Occupied None x Alt Logic None y Alt Schedule None y Proof Input Suspend Count Reset Count Send To 66 Digital Output Module Inputs All Analog Output Module inputs are de fined in this dialog box Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 2 Digital Output Module for a complete description of the module inputs A complete list of the possible input sources 1s given in Ap pendix A 026 1005 Rev 1 06 09 97 9 5 Digital Output Module Outputs Digital Outputs Dutputs Digital Output 1 Output Boards Type Board Pomt 8D0 Interval Command Output Proof Output Hone io El f Count Hone jo Count Tipped jo Command Output when ON Command Output when OFF Ott El Proof Output when Fail Off El Proof Output when OK None El In the Digital Outputs Output Setup dia log box users may assign board and point addresses to module outputs and define the states of digital outputs All outputs in the Digital Output Module are defined in this dialog box Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 1 2 Mod
50. used to log into the system at the corresponding level access 400 Level 300 plus e Unit Configuration e Edit System Information e Edit Communication Information 1 6 Communications Information Communications Information Unit Number Port Setttings Modem Setup String auc Mate AT amp FEOSO 1 amp D2X08W Reset Modem at Midnight Dial out Night Phones Use From NONE To NONE Include Saturday Sunday Dial Out Delay jo minutes l Change baud to 9600 Day Phones pr Ee FE needed for the RMCC to perform alarm di alout sequences are defined in the Com munications Information dialog box 6 Communications Information Unit Number The unit number of the selected RMCC is displayed in this box Port Settings options 9600 bps NONE 8 The baud rate parity and bits settings of the modem s COM port are displayed here These settings can be changed in the Setup Ports dialog box in the System pull down menu see UltraSite User s Guide Section 6 2 6 1 Modem Setup Strin The command set that readies the modem for use is shown in this field A default value is automatically placed in this box when the modem type is specified in the Setup Port di alog box see UltraSite User s Guide Section 6 2 6 1 Ifa different string is desired enter it in this field Reset Modem at Midnight Yes No No In order to assure the modem will work correctly during di alout a mod
51. where the valve appears to be oversized Close Rate 15 255 min 255 min When refrigeration 1s deactivated within the case the EEV closes according to the Close Rate Percentage The EEV will close the defined percentage within one minute of the Case Control Boards Menu 29 call for the deactivation of refrigeration within the case To define the Close Rate Percentage enter a value between 15 and 255 in the Close Rate Percentage field When 255 is defined as the Close Rate Percentage the EEV will close immediately Derivative Gain 0 0 12 0 rpts min 0 0 rpts min The derivative gain is a value used by electronic expansion valve control The derivative gain affects the rate in which the EEV opens and closes See P N 026 1102 Refrigera tion Monitor and Case Control Installation and Operation Manual Section 3 1 PID Control Coil Out Fan Lockout 99 100 1009 If desired the coil outlet fan can be disabled when the coil outlet temperature climbs above the temperature set point 5 2 2 Case Setpoints CCB 3 20 Al DOORS Version 6 0HI Anti Sweat High Limit 60 0 Low Limit 400 Frost Sensor Send To et points for the control of the evapora tor in Hussmann suction stepper CCBs are defined in the CCB Setpoints dialog box 5 2 3 CCB Setpoints x CCB 1 ICE CREAMWI Version 6 0CH Sensitivity 4 Valve Multiplier 100 Update Rate 42 Combine Type Average y
52. within a walk in cooler will follow the lighting schedule defined in the Light Schedules section see Section 10 Lighting Sched ules Menu and all refrigeration and fan operations are overridden OFF when the RMCC Door Curtain Switch is open When a contact closure is detected all light refrigeration and fan operations are over ridden ON Cleaning Switch Type Timed Switched Switched Defined cleaning switches perform overrides according to the strategy defined in the Cleaning Switch Type field Us ers may choose from two override strategies e Timed the timed strategy utilizes a momentary switch that overrides the circuit OFF for a defined period of time When selected the override duration should be entered in the second Cleaning Switch Type field Switched the cleaning switch is a manual switch that when closed activates the override and when open deactivates the override Cleaning Notice Enabled Yes No No To generate a notice in the RMCC Alarm Log when a cleaning override is activated put a check in the Cleaning Notice Enabled field Dual Temp Shift Input None Dual Temp None If there is a dual temperature case defined within the cir cuit choose Dual Temp from the scroll options Other wise choose None Circuits 47 6 9 Circuit Inputs Setup Circuit Inputs EJ Circuit Input Setup x Circuit 1 SDFJ 01c Circuit 1 SDIC 01 Term 1 Cleaning Switch Location oe Log
53. 026 1005 Rev 1 06 09 97 UltraSite User s Guide RMCC Supplement qH I LLL CPC COMPUTER PROCESS CONTROLS Computer Process Controls Inc 1640 Airport Road Suite 104 Kennesaw GA 31044 Phone 770 425 2724 Fax 770 425 9319 ALL RIGHTS RESERVED The information contained in this manual has been carefully checked and is believed to be accurate However Computer Process Controls Inc assumes no responsibility for any inaccuracies that may be contained herein In no event will Computer Process Controls Inc be liable for any direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages In the interest of continued product development Com puter Process Controls Inc reserves the right to make improvements to this manual and the products described herein at any time without notice or obligation Table of Contents RMCC SYSTEM NAVIGATION so isssssccncencswesssederznccusedsuasstesvcetsednnavocedacbscuesdenesnuscutescswecessuseonuvedsubusedeusessiessenaussdssseaueandes 1 L DEVLESETUPMENU nia ASES NE A aaa 2 EL SYS LENE CONFIGURA TION SAA AA AAAA aa 2 EZ HOLIDAY SCHEDULING corea a r A dias 3 LS E SE R E E E E T A E E Gout E E EE EOS T ee 4 LA PRESSURE CONIROL SETUP noson nanea Ea e E E T a A 5 BOs PASSWORD SE TUBE EAE AE AAAA ANNA 5 LOs COMMUNICATIONS INFORMAN ciao 6 17 SATELLITE COMMUNICA TIONS SETUP icsi a a e
54. 65 proof delay 65 proof latch time 65 proof type 65 reset type 68 trip point 67 setup instance 68 Digital Output Modules cells Proof 64 Discharge log interval 83 set points 81 autoreset 81 trip delay 81 trip point 81 viewing temperature pressure 85 E Eclipse Transducers defining discharge as 5 Eclipse transducers 59 F Fixed Steps See Suction Groups fixed steps setup Fixture Overview See Status Screens standard circuits H Holiday Scheduling 3 Hussmann PROTOCOL 49 50 53 Input Definitions alarm output 8 alarm overrides 74 ambient temp 58 Analog Input Module 15 case control circuits 48 Checkit sensor 5 compressor proofs 53 condenser fans 60 61 UltraSite User s Guide RMCC Supplement condenser inlet temp 58 condenser outlet temp 58 condenser split valves 38 defrost inhibitor 89 Digital Output Module inputs 66 discharge pressure 5 58 discharge temperature 5 58 humidity sensor 35 kW transducer 72 lighting schedules 69 phase loss 5 reclaim 58 sensors 78 split valves 60 standard circuit 48 subcooler 5 suction pressure 89 suction setup 5 suction temperature 89 two speed fan proof 61 variable speed inverter 89 variable speed condenser inverter alarm 61 variable speed fan proof 61 L Lighting Schedules assigning case lights to 45 setup 70 Log Alarm sending notices on defrost timeout 8 Logins recording 2 Logs configuration 7 Demand Control Hourly 7 space cur
55. 8 proof fail delay 58 shutdown when proof fails 58 single speed defining fan type 57 split mode defining fans 60 enabling 60 force during reclaim 60 strategy 57 temp diff 57 defining control source 57 026 1005 Rev 1 06 09 97 refrigerant type 58 two speed defining fan type 57 variable speed defining fan type 57 view fan runtimes 62 Cyclical Redundancy Check See RM CC self test setup D Date Format See Units date format Daylight Savings Time 3 Defrost advanced options 49 case control termination strategies 44 defining type 43 46 schedule times 42 termination strategy standard cir cuits 46 termination type case control 44 termination type standard circuit 46 Defrost Demand alarm time 40 41 defining number of sensors 47 enabling 29 30 31 44 fail safe time 40 41 Defrost Manual 37 39 emergency defrost 40 end manual mode 39 start dverride 39 Digital Output Module 63 68 bypassing the output 64 cells Counter count increment 68 initial count value 67 trip point 67 Counter reset type 68 DVCombiner 65 combination modes 65 invert combiner out put 66 Minimum On Off 64 One Shot 64 output pulse width 65 timer type 65 Proof delay 65 latch time 65 type 65 Schedule Interface 65 combination modes 66 inputs Proof 65 Reset Count 68 setup 66 outputs ON OFF definitions 67 setup 67 set points count increment 68 initial count value 67 minimum ON OFF times 64 output pulse width
56. April 5th and end daylight savings time on October 25th e Manual the controller will begin and end daylight savings time on dates the user specifies in the Start and End fields 1 2 Holiday Scheduling Holiday Schedule AMCC 1 REFRIG MONITOR amp CONTROL ba IM I les tie S a oa al 2 ol 2 S Se fe fe ff S a a all Sl S amp 00 00 Cancel Send To UltraSite User s Guide RMCC Supplement e Disable the controller will take no corrective ac tion for daylight savings time Powerup Self Test Yes No Yes A Powerup Self Test also called a Cyclical Redundancy Check 1s a self diagnosis the controller performs during system startup See System Options Section 11 8 4 of P N 026 1102 RMCC Installation and Operation Manual for more information To initiate a Powerup Self Test every time the system is re started put a check in the Powerup Self Test box Units Temperature options Deg F The RMCC displays temperature in either degrees Fahren heit or degrees Centigrade Units Pressure options PSI The RMCC displays pressure in either bars bar or pounds per square inch psi Units Date Format options Month Day The RMCC displays dates in either month day year format or day month year format Up to eight holiday dates for use in light ing schedules may be specified in this screen In the Holiday Scheduling dialog
57. D set point that determines when the PID out put should be at maximum 100 or minimum 0 Re fer to P N 026 1102 RMCC Installation and Operation Manual Section 3 1 PID Control Output at Setpoint 0 0 100 0 50 0 The Proportional control mode of the PID Control cell adds the Output at Setpoint value to the difference between the Control In and the PID Setpoint yielding the Proportional part of the output Refer to P N 026 1102 RMCC Installa tion and Operation Manual Section 3 1 PID Control Minimum Loop Output 0 0 100 0 0 0 The Minimum Loop Output is the lowest possible value of the PID Output Maximum Loop Output 0 0 100 0 100 0 The Maximum Loop Output is the highest possible value of the PID Output Minimum Accumulated Error The Minimum Accumulated Error setting disables error ac cumulation in the integral mode of the module s PID con 026 1005 Rev 1 06 09 97 trol when the error 1s equal to or less than a certain amount For example 1f the PID Setpoint is 30 and the Minimum Accumulated Error is 1 the integral mode will not accumu late error when the Control Input is between 31 and 29 one degree above and below the set point Because the PID control does not accumulate error within the Minimum Accumulated Error range the Control Input is allowed to settle on a value other than the set point It is possible in the example given above for the module to set tle on any value betwee
58. Inlet and Outlet pressure transducers are configured in this dialog box 8 6 Fan Control 8 6 1 Single Speed Condenser Setup Settings and set points related to single speed fan control and split operation are entered in this dialog box Equalize Runtimes Yes No No The real time clock within the RMCC records the cumula tive runtimes of each condenser fan The RMCC may be configured to select condenser fans for operation based on which fans have the fewest operational hours by checking the Equalize Runtimes box UltraSite User s Guide RMCC Supplement Type 100 Ib 200 Ib 500 Ib 500 Ib The transducer types for the discharge inlet and outlet transducers are selected in the Type fields Offset 99 99 0 0 If desired an offset may be specified for any of the trans ducers Brand Standard Eclipse Standard If a pressure transducer is an Eclipse brand transducer se lect Eclipse in that transducer s Brand field If the transduc er is a standard type choose Standard Single Speed Condenser Fans Note that to prevent condenser damage condenser manu facturers recommend that condenser fan cycles should be configured so that the fans closest to the condenser mani fold always cycle on first When runtimes are equalized these fans will not always cycle on first Interstage Delays Normal On Off 0 3600 sec 30 sec Before the RMCC turns on a condenser fan it will wait a number o
59. Interval 00 00 00 Sensor Type 0 Offset 27 tone ocations an ypes of circuit inputs are defined in the Circuit Inputs Setup dialog box The Circuit Inputs Setup dialog boxes display only those sensors defined at the Circuit Setup screens and only ap plicable fields will be active Certain inputs such as Avg Case Temp are pre defined in the case control circuit and therefore only need a log interval assigned to them Other inputs such as the clean switch or door switch need a spec ified board and point address on either the case controller or a 16AI board Location The board and point number on the 16AI board where an override switch is located must be defined in the Location field The network address of the 16AI Board is defined by a network dip switch on the board Enter this number in the 48 Circuit Inputs Setup first Location field The override switch is physically con nected to a specific point on the 16AI Board This number is printed on the board above the input connection and should be entered in the second Location field The RMCC uses this board address to locate the switch The RMCC periodically records the values received from the defined inputs and stores the information in the RMCC Log The Logging Interval defines when the data received from the sensors are recorded Enter the time in hour minute second format the RMCC should record the current sensor reading to the RMCC Log in
60. N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 3 Analog Output Mod ule for more information about float operation Output Range 999 999 0 0 The Output Range forms the range of values that may be added to or subtracted from the PID Setpoint based on the value of the Float input See P N 026 1102 RMCC Instal lation and Operation Manual Section 3 7 2 3 Analog Output Module for more information about float opera tion 3 3 Analog Outputs Setup Filter PWM Analog Outputs Setup Analog Output 1 A OUTPUT 01 _ etn orenenNNeERERNICOLE Filter Enable Filter Factor Filter Factor Time Period Pulse Width Modulator Output Time 00 10 00 Minimum Analog In Yalue 0 0 Maximum Analog In Value 1 00 0 Cancel Send To All fields necessary to set up the Filter and Pulse Width Modulation PWM cells are in the Analog Outputs Setup box The Filter cell defined in this dialog box alters the rate at which the PID output changes over time A full description of the Filter cell s function is given in Section 3 7 2 3 An alog Output Module The Pulse Width Modulator PWM cell also defined in this dialog box converts the PID output percentage to a pulse width modulating output Filter Enable Yes No No The Filter Enable box enables the Filter cell If no filtering UltraSite User s Guide RMCC Supplement is desired uncheck this box if filter
61. PENDIX B I O MODULE QUICK REFERENCE ccssssssscccsssssccccssscccccssssccccssscccccsssscccecsssccccesssccoescsscoes 98 INDEX eerie a odeistucauhecusecesbacehseisassesdecsdseGodeuccosudueaddacseddebobaedceeessestocecedhadastadelcdbesseuolauiosducbacbiescuusccsseeceste 105 UltraSite User s Guide RMCC Supplement Table of Contents iii RMCC System Navigation The Refrigeration Monitor and Case Control supplement for the UltraSite User s Guide P N 026 1005 provides a com plete detailed description of each dialog box associated with the RMCC and accessible through UltraSite version 1 3 In depth hardware and software information associated with the RMCC may be found in P N 026 1102 Refrigeration Mon itor and Case Control Installation and Operation Manual To obtain supplements for other CPC REFLECS controllers or to obtain other product manuals contact Computer Process Controls Inc at 770 425 2724 This manual describes the specific dialog boxes unique to RMCC versions 2 1 and above presented in the order that they appear within specified pull down and action menus Each section begins with a road map chart showing the options available within each menu and the exact manual section and page number to refer to for information on each option The sections after the road map explain all unique dialog boxes for each option shown in the menu Commands common to all controllers such as Add New or Print Setpoints are not ex
62. Ps MIT WI Th F sa aa checking the day boxes 6 00 00 fo0 00 Ts mM fT Twi thir I Sa When the override contact for an individual schedule acti poo 0 00 II vates the schedule is turned off Specify this contact s g 00 00 00 00 fs MTT Tw th F f Sa board and point address in the Override fields The lights that activate and deactivate for a particular JE schedule should be hooked to the schedule s output Enter the board and point address of this output in the Output ighting schedules are set up in the Schedule Setup dialog box 70 Individual Schedules Menu 026 1005 Rev 1 06 09 97 11 Power Monitoring Menu Screen Ma Power Monitoring Status Power monitoring status screens and setup dialog boxes may be accessed us ing the Power Monitoring Menu options View Alarms Print Setpoint Log Inventory Option O Peters Y Page Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory 11 1 Power Monitoring Status Screen Power Monitoring in this screen are listed below e Current Power Usage the current reading of the watt hour transducer O Setpoint 350 Demand Cott Timer Peak Power Today O Peak Time 00 00 e Demand the status of the demand relay If the pow KvHse Used This Hour 0 0 Setpoint the demand set point as defi
63. REEN ccccecescecceccccecceccscccscesceccscescsecscscucescesceseecescnsescaecscescsscssescsececesctsescescecs 71 MO POWER MONTORING SE TG Boog cee ese eos eee ees ae ewe 72 12 SENSORS MAIN MENO cacaos 73 121 SENSOR SHUTOPFE SCHEDULE a 73 12 2 TARARM OVERRIDE INPUT Sica 74 230 INDIVIDUAL SENSORS cur a esla 74 Sede GCI O SI A A A E NA 75 ALLE OESO O CIDO AA A A NE E abetted 76 TI EA A aulas 77 DZ Beis OSON S A tr cepa es rasa tte etter ecb Sb ogi 5 ats cn et lsd eco ET ia etait seamen E T 77 TS SSCHSOV Alar N OV CITI C are ed a as ada aa daa a al e ee a ie e RO 78 125330 DEUDAS ARCO EE OE EEEE EEN O A ETEA 79 TS SUCTION GROUPS oean A tine 80 19216 DISCHARGE SETPOINT uea nea a a ads ot 81 132 PRESSURE ALARM SETUP a cool 81 13 3 PRESSURE CONTROL OPTIONS so 82 154 PRESSURE LOG INTER VAL dl ind 83 1D CHECK SETPOINT S ara A e ed 83 A A A O E O RN 84 13 7 INDIVIDUAL SUCTION GROUPS cccscesceccscecceccsccececcsccceccscescscescesescescsecscescusesceecsscecsscuseeceecscescescssescscscscusescescess 84 TIRE SUCIA TUS CCAA AAA AA AAA oda 55 IS 2 SUCTION GTOUD DO DOS ADA SAA AE AAA ES 86 II UCA OM MG IOUP TAL QIINS AUD AAA AA E OA EE 87 Torde SUCHON GLOUD SCHED A ad E A E 5S TD ACCOM DIES SOF S UD iaa O 89 LEO UC SCS CU tt dao 90 TL PLACES A A ie dol 90 ISO AVanced F HOP ONS AA o 91 APPENDIX A RMCC I O MODULE INPUT SOURCES o cccccccccoccoconcccononoccononcccoconoccoconocnoccnccnoccnccnocenoccocinccncccnonos 93 AP
64. RMCC requires the kW reading when the maxi mum voltage is being supplied Enter the kW value in the maximum voltage in the Power at Maximum field The RMCC assumes the minimum voltage represents a value of zero Board Point Assignments The board and point where the kilowatt transducer is con nected must be specified in the KW Input Bd and KW Input Pt fields 026 1005 Rev 1 06 09 97 12 Sensors Main Menu Screen Map Sensor status screens shutoff sched ules alarm data and alarm override set Summary up dialog boxes may be accessed using a the Sensors Main Menu aL Print Setooints aaa tere Y Page Summary See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Shutdown Schedule Section 12 1 Sensor Shutoff Schedule Alarm Override Inputs Section 12 2 Alarm Override Inputs Add New See P N 026 1002 UltraSite User s Guide Section 15 8 Adding New 15 6 Components Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 21 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points 12 1 Sensor Shutoff Schedule Sensor Shutoff Schedule E T Scheduled overrides of sensor functions Day Time Day Time are configured in the Sensor Shutoff 00 00 00 00 Schedule dialog box y 00 00 y 00 00 ef 00 00 00 00 A scheduled override bypasses normal sensor operations according to the schedule defined in the Sensor
65. Relay Boards defining number of 9 A Alarms circuit input 42 coil 1 in fail 33 coil 1 out fail 33 coil 2 in fail 33 coil 2 out fail 33 delay after defrost 8 demand defrost 41 extra 1 temp fail 33 extra 2 temp fail 33 filtering alarms to 483 panel 4 open door 32 33 power failure 8 refrigerant leak 32 33 refrigerant leak delay 32 sensor set points 77 Analog Input Module 10 16 alarms clear delay 13 high low limits 13 set points occupied and unoccu pied 12 trip delay 13 cells Combiner 13 Counter count increment 16 initial count 16 reset type 16 trip point 16 Cut In Cut Out 12 Filter 13 UltraSite User s Guide RMCC Supplement enabling 14 factor 14 Process Alarm 12 combination strategies 13 enabling 13 inputs Use Alternate Combination 13 mix ratio 14 naming 13 outputs Command 12 Command bypassing the 18 ON OFF definitions 15 set points alarms occupied and unoccu pied 13 count increment 16 cut in cut out 12 cut in cut out delays 12 filter factor 14 high low limits 13 initial counter value 16 reset type 16 trip point 16 setup instance 16 Analog Output Module 17 23 cells Filter 19 enabling 19 factor 19 time period 19 PID Control 20 derivative gain 20 integral gain 20 min max loop output 20 output at set point 20 proportional gain 20 throttling range 20 Pulse Width Modulation PWM output time 20 PWM 19 min max analog val ue 20 Select 18 Sequencer 22 of s
66. Safe Time is the maximum number of hours the circuit will operate without defrost if for any reason defrost is not called for by a demand defrost sensor installed in the case When using scheduled defrosts see Section 3 5 Circuit Defrost Times defrost will occur at the next scheduled defrost time following the demand fail safe period To define the Demand Fail Safe Time enter a value between 0 and 240 hours in the Demand Fail Safe Time field Demand Defrost Times Alarm 0 240 hrs 0 hrs The RMCC will activate an alarm in the Alarm Log when defrost has not occurred in the selected circuit for the amount of time defined in the Alarm Time field To define this time enter a value between 0 and 240 hours in the Alarm Time field Discharge Return Air Weighting 0 100 0 Tfihe Mixed Air strategy is chosen as the Circuit Temperature Control strategy at the Circuit Setup sereen see Section 3 8 the discharge to return air percentage is defined in the D R Weighting field Enter in the D R Weighting field the percentage of Discharge Air to be mixed with the remaining percentage of Return Air Case Pump Down Delay 0 240 sec 0 sec Defrost performance is improved by specifying a duration during which the system empties or pumps down refrigerant from the evaporator coil This procedure ensures thal residual refrigerant in the coil does not work against the delrost cycle When this delay is activated within a Case Contro
67. Shutoff Schedule screen The defined override schedule is activat ed when assigned to selected sensors in the Sensor Setup dialog boxes see Section 12 3 4 Sensor Setup To define the schedule override enter the schedule start day and time in the From field and the schedule stop day and time in the Until field UltraSite User s Guide RMCC Supplement Sensors Main Menu 73 12 2 Alarm Override Inputs Alarm Override Inputs The board and point addresses of the contact closures that override sensor alarms are defined in this dialog box Bd Bd Pt Pt jo jo Alarm Override 5 jo jo Alarm Override 2 jo jo Alarm Override 6 jo jo o fo jo 0 jo Alarm Override 1 Alarm Override 3 Alarm Overide f o Alarm Override 8 o Alarm Override 4 Normal sensor operation may be bypassed with Sensor Alarm Overrides When the RMCC receives closure from an Alarm Override the sensors assigned to the override Send To will not perform an alarm sequence and if desired will override its controlled output OFF To set up an alarm over ride enter the contact s board and point address in one of the alarm override fields Sensors are associated to an alarm override input in the in dividual sensor s Sensor Alarm Override dialog box see Section 12 3 5 Sensor Alarm Override 12 3 Individual Sensors A Screen Map ensor status may De viewed ana sensor control and alarm setpoint data may be S
68. Termination T ype Normal M Temperature Control Strategy Discharge Valve Control Strategy Temp Temp Fans On During Defrost Demand Defrost Enable Master Liquid Line Solenoid Case Lights Strategy On Shutdown if Suction Group Fails Hone M l Anti Sweat Control Cleaning Override Switch Cleaning Switch Type i hrs Cleaning Notice Dual Temp Shift Input m EM Send To UltraSite User s Guide RMCC Supplement Case Type 00 64 00 The type of case controlled within the selected circuit is de fined in the Case Type field Users may choose from the 65 different types of cases listed in the scroll options Section 11 4 16 Circuit Setup I of P N 026 1102 RMCC Instal lation and Operation Manual for a complete list of case types and their corresponding numbers Initialize to Defaults Yes No No Each case type has a corresponding set of default parame ters To enter the default configuration information into the circuit put a check in this box It is recommended that the case be initialized to its default parameters to ensure that all necessary setup information is defined After initialization the setup data may be reviewed changed or cleared as nec essary Section 11 4 16 Circuit Setup 1 of P N 026 1102 RMCC Installation and Operation Manual for a complete list of defaults for all case types All case control circuits defined within the controlled system are
69. activates the override when open Cleaning Notice Enabled Yes No No To generate a notice in the RMCC Alarm Log when a cleaning override is activated put a check in the Cleaning Notice Enabled field Dual Temp Shift Input None Dual Temp None If there is a dual temperature case defined within the cir cuit choose Dual Temp from the scroll options Other wise choose None Circuits 45 6 8 2 Standard Circuits Circuit Setup Circuit 2 Defrost Termination T ype a ae eer Temperature Strategy Full hd Number of Temp Sensors Strategy i Avg El l Fans On During Defrost Master Liquid Line Solenoid Number of Termination Sensors Number of Demand Sensors Cleaning Override Switch Hone J Cleaning Switch Type 1 d E 0 hrs Cleaning Notice Dual Temp Shift Input Hone hd SendTo Cancel m pne SEEE peme a SYS tem are set up in the Standard Circuit Set up dialog box Circuit Name The Circuit Name is a user defined or default identifier for the selected circuit To define or change the Circuit Name enter a unique identifier in the Circuit Name field The Cir cuit Name may be up to 15 characters Defrost Type options Electric The defrost type for the selected circuit is defined in the Defrost Type field and should be defined according to the case type Users may choose from the following defrost types e Hot Gas e Electric e Reve
70. al settings and cycles on all fans to bring the discharge pressure or temperature down to an acceptable level Fast Recovery Hysteresis 0 999 or NONE 2 0 The Fast Recovery Hysteresis value is subtracted from the Fast Recovery set point to determine the control input value below which the RMCC will exit recovery mode For ex ample if a condenser s discharge pressure is 301 psi when the Fast Recovery set point is 300 psi the RMCC begins fast recovery mode If the Fast Recovery Hysteresis value is 5 0 the RMCC will continue fast recovery until the dis charge pressure drops below 295 psi 300 5 0 Low Pressure Setpoint 99 999 or NONE NONE The Low Pressure Cutoff Setpoint is the lowest condenser control input value at which the condenser control fans will be allowed to operate If the condenser control value falls below this set point all condenser fans will be deactivated EXCEPT those in bypass Low Pressure Hysteresis 0 999 or NONE 2 0 The Low Pressure Cutoff Hysteresis value is added to the Low Pressure Cutoff Setpoint to determine the control in put value above which the RMCC will exit recovery mode For example if a condenser s discharge pressure is 49 psi when the Low Pressure Cutoff set point is 50 the RMCC begins Low Pressure Cutoff mode If the Low Pressure Cutoff Hysteresis is 5 0 the RMCC will continue low pres sure cutoff mode until the pressure rises above 55 psi 50 5 0 Minimum Conden
71. ample of Input Setup Dialog Box 10 for the purposes of I O control For example if a I O module is configured to a pressure transducer reading a value of 5 7 bars the actual value read by the module will be 57 Analog Value 999 9 999 9 0 When Analog Value is chosen a field appears where users may specify a fixed numerical value to the selected input Digital Value ON OFF NONE OFF When Digital Value is chosen a scroll option box appears where users may specify a fixed digital value to the selected input Sensor Control mpn _Type of input The value of the sensor control output Analog Control Value The Analog Control Value is the analog value being used as the Sensor Control Value This could be the sensor value itself or it could be a combination of up to four other sensors When this analog value is a pressure measurement in bars the value will be multiplied by 10 when pointed to Digital Control Value Digital The same as the Analog Control Value above except Digital Control Value is for digital sensors Alarm Ovrd State Digital The value of the alarm override input assigned to the sensor in Section 12 3 5 Sensor Alarm Override Pressure Control pn Type of input Current Discharge Pres Analog The current discharge pressure transducer value If this value is in bars the value will be multiplied by 10 when pointed to UltraSite User s Guide RMCC Supplement Appendix A RMCC I O Module Input Sourc
72. amples and output changes The Filter cell reads the input value adjusts the output value as described above and waits an amount of time equal to the Filter Time Period be fore repeating the process Analog Output Modules 19 The PWM Output Time is the amount of time over which the PID output percentage will be applied to the PWM out put For example if the Output Time is set for 10 minutes and the PID output is 30 the PWM output will be ON for 30 of 10 minutes 3 minutes and OFF for 7 minutes af ter which the cycle will begin again Minimum Analog Value 0 0 100 0 0 0 The Minimum Analog Value is the lowest amount that will be applied to the PWM output When the PID output is lower than the Minimum Analog Value the PWM cell sub stitutes the Minimum Analog Value for the PID output Maximum Analog Value 0 0 100 0 100 0 The Maximum Analog Value is the highest amount that will be applied to the PWM output When the PID output is higher than the Maximum Analog Value the PWM cell substitutes the Maximum Analog Value for the PID output 3 4 Analog Outputs PID Setup Analog Output PID Setup Fa Analog Output 1 AY OUTPUT 01 PID Settings l Bypass PID Proportional Gain Integral Gain Derivative Gain Throttling Range Output at Setpoint Minimum Loop Output Maximum Loop Output Minimum Accumulated Error Cancel Send To m ME necessary T up Mm Control cell are en
73. analog outputs by removing the jumper JU4 see Section 2 5 1 810 Board on the 810 This board must then be set up as one 8RO and one 16AI in this screen Device Setup Menu 9 2 Analog Input Modules A o n tne Analog inpu oaules menu users Analog Inputs may view active diagrams of Analog Input Ar __ Modules and define cells within modules Setpoints Cut In Dut A am A quick reference showing a diagram of the Analog Input Pont Saipan Module and a brief description of all inputs outputs and a E cells is given in Appendix B Inputs Outputs Setup Counter Setup Setup Instance Option S S S SR arene Y Page View Alarms See P N 026 1002 UltraSite User s Guide Section 21 1 Viewing 21 2 Alarms Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set 16 2 points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory Setup Combiner Limiting Filter 13 16 Setup Instance Section 2 8 Setup Instance 10 I O Boards 026 1005 Rev 1 06 09 97 2 1 Analog Input Module Status Screen Analog Input 1 AV INPUT 01 NONE None None Other Analog Inputs JP Analog Outputs Digital Outputs gt Unit Summary amp 1 O Summary gt ee The current status of an Analog Input Module and all cells within the module are shown in the Analog Input Module Status Screen The Analog Input Module Status Sc
74. and stores the information in the Pressure Control Logs for each suction group The logging interval determines how often the data within all suction groups are recorded To define the logging interval for all suction group data en ter the time in 24 hour format the suction group data should be logged in the Log Interval field bell light horn etc and may also be accompanied by an alarm dialout sequence and or activation of the 485 Alarm Annunciator Panel The value at which a notice will be generated 1s defined in the Notice Setpoint field A notice is a low level warning that creates an entry in the RMCC Alarm Log and initiates no other control or notification actions The delays for alarms and notices are specified measure ments of time the RMCC must wait before activating an alarm or notice when alarm conditions are met Delays are defined for alarms and for notices in the Delay fields Disable During Hot Gas Disable During Reclaim Yes No Hot Gas No Reclaim No The Checkit sensor monitors the system for all temperature increases regardless of cause Therefore Checkit may de tect normal flash gas occurrences as a result of hot gas de frosts or heat reclamation To disable the Checkit sensor during hot gas defrost and or during reclaim check the Dis abled During Hot Gas and Disabled During Reclaim boxes When the Checkit sensor is disabled during Hot Gas de frost the RMCC must wait a specified amount of time after
75. and temperature sensors If a dewpoint cell is being used the measured dewpoint is shown in the Dew point field If a humidity and temperature sensor is being used the humidity sensor reading is shown in the Humidity field the temperature sensor reading is shown in the ther 24 Anti Sweat Status See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set mometer and the calculated dewpoint is shown in the Dewpoint field A summary of all anti sweat heaters defined for the select ed circuit is shown in the upper right of the status screen Each anti sweat heater is displayed along with its circuit number ON percentage and the time left before the next change of state This summary operates similar to other summary screens in UltraSite see P N 026 1002 UltraSite User s Guide Section 20 Status and Summary Screens for more information The All On and All Off set points defined in Section 4 2 Anti Sweat Setpoints are shown in the All On and All Off fields These set points determine the ON percentage of the circuit s anti sweat heaters See P N 026 1102 RMCC In stallation and Operation Manual Section 3 5 Anti Sweat Control for more information on how anti sweat set points work The current output percentage for the circuit is shown in the Current Output field The average ON percentage for the day is shown in the Average Output field 026 1005 Rev 1 06 09 97 Double clicking the left mouse button
76. ase Restored Power Failed Power Re stored Proof Fan lt 99 gt Proof Failure Pump Down RM Level lt 999 gt Login Reset Run Proof Sensor Open Sensor Short Setpoints Corrupted Setpoint Restore Error Xducer Open Xducer Short alarms The Miscellaneous alarm type also includes all Hi and Lo alarms generated by Analog Input Modules 026 1005 Rev 1 06 09 97 1 4 Pressure Control Setup Pressure Control Setup Suction groups transducer settings and input locations are defined in this dialog box Suction Groups The RMCC can support up to four suction groups each containing up to 16 compressors when using standard con trol When using the Fixed Step Strategy activated in the Suction Group Setup dialog box see Section 13 7 4 up to 10 compressors may by assigned to a suction group However no more than 22 total compressors may be con trolled by a single RMCC 1 5 Password Setup Password Setup xl 100 Level 200 Level 300 Level 400 Level UltraSite User s Guide RMCC Supplement Oil Pressure Transducer options 200 Ib The transducer type defined in the RMCC to monitor oil pressure is selected in the Oil Pressure scroll options Users may choose from the following transducer types e 200 lb e 500 lb Discharge Pressure Transducer options 500 Ib The transducer type defined in the RMCC to monitor dis charge pressure is selected in the Discharge Pressure scroll
77. cessful the RMCC shuts off the fan After a specified number of attempts are made to clear the fan the fan will be considered failed and will be bypassed OFF Enter the desired number of attempts in the Attempt to Clear field Select No Limit to order the RMCC to keep making attempts indefinitely Proof Fail Delay 0 3600 sec 5 sec The Proof Fail Delay 1s the number of seconds the RMCC will wait after a fan proof failure is detected before it con siders the fan to be failed Proof Clear Delay 0 3600 sec 0 sec The Proof Clear Delay 1s the amount of time between proof clearing attempts Minimum On Time 0 240 min 0 min When condenser fans activate they must remain on for an amount of time specified in the Fan Minimum On Delay field Minimum Off Time 0 240 min 0 min When condenser fans deactivate they must remain off for an amount of time specified in the Fan Minimum Off Delay field Input Output Bd and Pt Fields The board and point addresses for the inlet temperature sensor outlet temperature sensor discharge pressure and temperature sensors ambient sensor reclaim sensor and the two split valves are defined in these fields 026 1005 Rev 1 06 09 97 8 5 Transducer Setup Transducer Setup Condenser Inputs Type Offset Brand Disch Pressure 500 Ib hi o 0 Standard Inlet Pressure 500 Ib 0 Standard hd Outlet Pressure 500 Ib 10 0 The Discharge
78. charge temperature sensors Derivative Gain 0 0 12 0 rpts min 0 0 rpts min The derivative gain is a value used by CCBs that are oper ating valves using PID control The derivative gain affects the rate in which the EEPR opens and closes For a more detailed description of derivative gain consult P N 026 1102 Refrigeration Monitor and Case Control Installation and Operation Manual Section 3 1 PID Control 5 3 CCB Circuit Assignment CCB Circuit Assignment CCE 26 Circuit Circuit 18 ICE CREAM UltraSite User s Guide RMCC Supplement CCBs are assigned to defined RMCC case circuits in this dialog box The CCB may be assigned to a case circuit in this screen In order for the case circuit to appear in the scroll options 1t must first be created and defined For instructions on how to define a case circuit see Section 6 Circuits Case Control Boards Menu 31 5 4 Case Log Intervals Case Log Intervals CCB 1 Unassigned Case Temp 00 00 00 Coil 2 In 00 00 00 Coil 1 In 00 00 00 Coil 2 Que 00 00 00 Coil 1 Out 00 00 00 Superheat2 00 00 00 Discharge At 00 00 00 Valve 2 4 00 00 00 Return Air 00 00 00 Anti S wear 00 00 00 Superheat 00 00 00 Refrigerant Leak 00 00 00 Valve E 00 00 00 OK Send To 5 5 CCB Alarm Setup 9 9 1 larm Setup CCB 1 Unassigned Refrigerant Leak Detect Leak Alarm Level bog Leak Alarm Delay min Bypass Valu
79. checking since Proof inputs are logical ON OFF signals For this reason the Proof Type field allows users to select as the comparison value either the actual Output state or the logical Output state before it is modified by the One Shot cell To use the actual Output value for the Proof cell compari son choose Actual from the scroll options To use the log ical Output value before it is modified by the One Shot and Override cells choose Logical from the scroll options Proof Latch Time 00 00 00 18 12 15 00 00 00 The Proof Latch Time is the amount of time the Proof out put will remain ON after a failed Proof clears In other words if the Proof cell detects that a proof failure has cleared it will not turn the Proof Output OFF until the proof failure has been clear for an amount of time equal to the latch time If a proof failure is detected during the Proof Latch Time period the countdown ceases and the Proof Output re mains ON Another proof clear would begin a new latch time period 9 3 Digital Outputs Setup Combiner Schedule Digital Outputs Setup Digital Dutput 1 DY OUTPUT 01 Enabled F Combiner Combiner Hode First hd Combiner Alternate Mode First hd l Invert Combiner Output Schedule Logic Input Only Schedule Input Only hd Le Interface Mode Alternate Interface Mode KA AN UltraSite User s Guide RMCC Supplement All fields necessary to define the DVCom bi
80. ct Yes No No If a leak detector sensor is connected to this CCB put a check in the Refrigerant Leak Detect box Checking this box will enable users to enter leak alarm set points in the Leak Alarm Level and Leak Alarm Delay fields 5 6 Case Offsets Case Offsets CCB 1 Unassigned Case Offset joo Coil 1 In oo Coil 1 Out jo 8 Discharge joo Return oo Coil 2 In jo 8 Coil 2 Out jo 8 Refrigerant Leak jo Send To UltraSite User s Guide RMCC Supplement Coil 1 2 In Out Yes No Yes Checking the boxes named Coil 1 In Coil 1 Out Coil 2 In and Coil 2 Out will cause the RMCC to generate an alarm 1f these sensors fail Suction Stepper CCB Alarms Leak Alarm Level 1 1000 ppm 1000 ppm The Refrigerant Leak Alarm value is the amount of refrig erant which if detected by a leak alarm sensor will gener ate a leak alarm Leak Alarm Delay 0 120 min The leak alarm delay is the number of minutes the leak de tector sensor must measure a higher concentration than the Leak Alarm Level before an alarm will be generated 10 min Door Alarm Delay 0 240 min 15 min If the selected circuit is a walk in cooler with a door switch an Open Door Alarm Delay may be set up in the Door Alarm Delay field Normally a door switch will shut off re frigeration and fans whenever a door is opened and resume refrigeration when the door is closed However if the switch indicates the door hasn t been cl
81. dard Circuit Sta tus screen Fixture Overview The Fixture Overview 1s a bar graph that shows the temper ature readings of the circuit s six case temperature sensors The number of the temperature sensor is shown below each of the blue bars The case temperature set point is repre sented on the Fixture overview as a blue dotted line and the termination temperature set point is represented as a red dotted line Double clicking the left mouse button in the Fixture Over view brings up the Manual Mode dialog box see Section 6 3 From this dialog box manual defrost mode may be initiated or ended Clicking the right mouse button in the Fixture Overview brings up the Individual Circuits Menu see Section 6 2 Circuit Temp Sensor Status Fields The fields below the Fixture Overview and the Case Dia gram show the readings of the temperature and termination sensors and the status of the inputs and outputs pertinent to standard circuit control Any of the fields listed below may be shown e Temp the current case temperature e Case l Case 6 the temperature readings of each individual case temperature sensor These values are also given in the Fixture Overview bar graph e Term I Term 6 the temperature readings of each individual defrost termination sensor UltraSite User s Guide RMCC Supplement Refrigeration whether refrigeration mode is On or Off Defrost whether defrost mode is On or Off LLS w
82. denser dur ing normal and split operation is defined in the Condenser Setup dialog box UltraSite User s Guide RMCC Supplement from e Air Cooled The control value is read directly from the control source chosen in Section 8 4 Condens er Setup e Temp Diff The RMCC takes a pressure value read at the condenser inlet converts this pressure value to a temperature value based on the selected Refrig erant Type and subtracts the ambient temperature value The refrigerant type is defined in Section 8 4 Condenser Setup e Evaporative The RMCC uses a combination of pressure or temperature values from up to five sources The combination strategy and sensor type are defined in Section 8 4 Condenser Setup Fan Type The fan speed is defined using the Fan Type scroll options Users may select single speed two speed or variable speed Setup The fields necessary to define the source of the condenser s control value vary depending upon the Strategy defined in Section 8 3 Condenser Configuration The shaded box in the illustration shows where these fields appear The fields for each control strategy are listed below Air Cooled Strategy Controlled By Temperature Pressure Tempera ture The Controlled By setting tells the RMCC whether the control value will come from a pressure transducer or a temperature sensor Control Source Discharge Inlet Outlet The location of the discharge temperature or press
83. diagrams and the fields below Double clicking the left mouse button on any of the com pressors or the fields below them will bring up the Bypass dialog box By selecting one of the options in this dialog box the compressor may be bypassed on bypassed off or returned to normal operation Clicking the right mouse button on any of the compressors or the fields below them will bring up a menu of compres sor control options similar to the menu called up by right clicking an individual compressor at the system tree Se lecting Bypass will allow users to bypass a compressor on bypass a compressor off or return a compressor to nor mal operation Selecting Setup will bring up the dialog box shown in Section 7 1 Compressor Setup 13 7 2 Suction Group Setpoints ES Suction Group Setpoints Group 1 Suction Floating Variable Speed Compressor Setpoint 22 0 I Enable Minimum Speed 900 rpm Deadband o2 Interval fis min Maximum Speed 1800 rpm Delays Min Suction 20 Ibs Max Increase Rate 2000 tpm min oe ah Max Suction 30 0 Ibs Max Decrease Rate 2000 tpm min Compressor 3 EN Use Alternative Strategy OFF on Failure Unloader 5 5 Extern Shift 0 0 suction group s individual set points are defined in the Suction Group Set points dialog box Suction Setpoint 999 999 22 The Suction Setpoint establishes the pressure the compres sors within the suction group will maintain
84. e Reverse Cycle all compressors within the host group are shut down for the Compressor Start Delay defined below and are then cycled to maintain the programmed Defrost Suction Setpoint also defined below Defrost is terminated and compressors return to normal operation based on the selected termina tion strategy To define the Hot Gas Defrost Type enter the letter corre sponding to the desired type in the Hot Gas Defrost Type field Compressor Start Delay 0 10 min 2 min When the Reverse Cycle Hot Gas Defrost Type is chosen all compressors within the host group are shut down for the amount of time defined in the Compressor Start Delay field This delay allows pressure equalization within the system To define the delay enter a value in the Compres sor Start Delay field Defrost Suction Setpoint 1 50 10 After the compressors within the host group have been shut down for the Compressor Start Delay they are cycled to maintain the pressure defined in the Defrost Suction Set point field To define the Defrost Suction Setpoint enter a value in the Defrost Suction Setpoint field a circuit is created in UltraSite the Setup Instance sequence is initiated automatically Setup Instance cycles through the dialog boxes in the fol lowing order e Circuit Type see Section 6 7 e Circuit Setup see Section 6 8 e Circuit Inputs Setup see Section 6 9 e Circuit Outputs Setup see Section 6 10 026 1005 Rev
85. e Linear This read only field simply signifies that the sequencer is a linear type sequencer This means that the defined stages activate at equal points between the Minimum In and Max imum In values see below For example in a sequencer with eight stages and a Minimum Maximum In range of 0 100 the set points for the stages occur at every 12 5 That is stage 1 activates when the output is above 12 5 stage 2 activates when the output is above 25 and so on up to 100 when all stages are active Similarly as the output goes from 100 to 0 stages eight through one de activate in succession 22 Sequencer Setup Number of Stages 0 8 0 The number of stages to be used by the sequencer is entered in the Number of Stages field All digital stage outputs not defined will read NONE Interstage Delays 00 00 00 18 12 15 00 01 00 The Interstage Delays are amounts of time the RMCC must wait before turning a stage output ON or OFF The delays are specified in hours minutes seconds format HH MM SS Minimum Maximum In 0 100 Min 0 Max 100 If desired the Sequencer may be made to operate using only a portion of the possible range of PID Output values This portion is chosen by defining Minimum In and Maxi mum In values When the PID Output is equal to or below the Minimum In set point the Sequencer interprets the PID Output as zero for the purposes of controlling digital stages 1 e
86. e 2 30 Door Alarm Delay fi 5 min M Coil 1 In M Coil 2 In M Coil 1 Out e Coil 2 Dut Send Tao q OO m a _ and stepper CCBs is set up in this dialog box Refrigerant Leak Detect Yes No No If a leak detector sensor is connected to this CCB put a check in the Refrigerant Leak Detect box Checking this box will enable users to enter leak alarm set points in the Leak Alarm Level and Leak Alarm Delay fields 32 Case Log Intervals Intervals for case sensor logging times are defined in the Case Log Intervals dia log box The RMCC periodically records sensor readings and stores the information in the CCB Logs for each sensor The Log ging Interval defines how often the data for each sensor are recorded The interval range is between 0 and 99 99 99 en tered in hour minute second format Information received from sensors with a logging interval of zero will not be re corded in the Alarm Log Liquid Pulse and Stepper CCB Alarms Leak Alarm Level 1 1000 ppm 1000 ppm The Refrigerant Leak Alarm value is the amount of refrig erant which if detected by a leak alarm sensor will gener ate a leak alarm Leak Alarm Delay 0 120 min The leak alarm delay is the number of minutes the leak de tector sensor must measure a higher concentration than the Leak Alarm Level before an alarm will be generated Bypass Valve 0 100 30 When the selected case is in a fail safe mode the case con
87. e User s Guide Section 16 3 Retrieving 16 2 Component Log Inventory 80 Individual Sensors 026 1005 Rev 1 06 09 97 13 1 Discharge Setpoints Discharge Setpoints Trip Point 350 0 Trip Delay 5 sec Autoreset 50 0 SendTo The discharge pressure set points that deactivate all compressors in emergency situations are defined in the Discharge Setpoints dialog box The discharge pressure set points defined in this dialog box affect the suction group defined as Suction Group 1 13 2 Pressure Alarm Setup Pressure Alarm Setup W Discharge Alarm Alarm Types Discharge ie Alarm i Notice Dil Fail Alarm Notice Phase Loss C Alarm i Notice Proof Delay r Copeland Copeland Oil System Window fi 0 sec Send To Alarm types for all suction groups are specified in the Pressure Alarm Setpoints dialog box UltraSite User s Guide RMCC Supplement Trip Point 5 499 350 On rare occasions a fan motor fails or a condenser be comes blocked causing the discharge pressure to rise to an unacceptable level thus endangering the entire refrigera tion system The Trip Point is the pressure at which all compressors should be shut down Trip Delay 0 240 sec 5 sec The Trip Delay 1s the specified measure of time the RMCC must wait before shutting down the compressors after the Trip Point is reached To define a trip delay enter a value in the Trip Delay field Autoreset 2
88. e adjusted External Shift 99 99 0 In certain instances users may wish to increase the suction pressure during hours when refrigeration demand is greatly reduced This shift to the suction set point is achieved by entering a value in the External Shift field On a contact closure the RMCC adds the External Shift value to the Suction Pressure set point and controls compressor opera tion based on the new increased value Variable Speed Minimum Maximum 0 9999 rpm Min 900 Max 1800 The Variable Speed Minimum and Variable Speed Maxi mum values are the speeds at which the compressor may 13 7 3 Suction Group Alarm Setup x Group 1 Low Temp Alarm Setpoints High Suction 45 0 Delay 60 min 1 0 Delay 60 min 0 5 Delay fi O sec D Dil Automatic Reset Low Suction Pump Down Alarm Types Suction Alam Notice Pump Down Alam C Notice C Disable Send To The alarm set points for an individual suction group are defined in this dialog box High Low Suction Setpoints 20 999 Hi 45 Lo 1 0 The RMCC will generate an alarm if the suction pressure falls below the Low Suction Setpoint or exceeds the High UltraSite User s Guide RMCC Supplement operate To define these variables enter values between 0 and 9999 rpm in the Minimum and Maximum fields Variable Speed Max Increase and Decrease Rates 0 9999 rpm 2000 rpm The Maximum Increase and Decrease Rates are the
89. e is initiated automatically 68 Setup Instance e Edge the Count will reset whenever the Reset input goes from OFF to ON e InvEdge the Count will reset whenever the Reset input goes from ON to OFF Count Increment 0 32767 0 Whenever the Command output of the Analog Input Mod ule goes from OFF to ON the Count Increment value is added to the current value of the Count output Setup Instance cycles through the dialog boxes in the fol lowing order e Digital Output Setup see Section 9 3 e Digital Output Inputs Setup see Section 9 4 e Digital Output Outputs Setup see Section 9 5 e Counter Setup see Section 9 6 e Digital Output Setpoints see Section 9 2 026 1005 Rev 1 06 09 97 10 Lighting Schedules Menu Screen Map Schedule summaries may be viewed and TERRES schedule override inputs may be as Summary signed using the Lighting Schedule Main ere cae a Menu options View Alarms Print Setpoint Option A ternas Y Page Summary See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Override Inputs Bd Pt Assignments Section 10 1 Override Inputs Bd Pt Assignments 69 Add New See P N 026 1002 UltraSite User s Guide Section 15 8 Adding New 15 6 Components Enhanced REFLECS only View Alarms See P N 026 1002 UltraSite User s Guide Section 21 1 Viewing 21 2 Alarms 16 2 Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Prin
90. e specified in the Gain field The gain is a value that is multiplied with the voltage sent by the sensor to determine the control value For example if a sensor with a gain of 500 emits a 5V signal then the control value read by the RMCC would be 2500 Offset 999 999 0 If the sensor is known to read high or low the value may be corrected by specifying an offset Enter a number between 999 9 and 999 9 in the Offset field Input Output Bd Pt The address of the sensor input contact must be entered in the Input Bd and Input Pt fields If the sensor is controlling an output the address of the output contact must be entered in the Output Bd and Output Pt fields Refrigerant Type options R502 If the sensor type is Temperature to Pressure or Pressure to Temperature the Refrigerant Type is used in the mathe matical conversion process Offset 99 99 0 If the sensor type is Temperature to Pressure or Pressure to Temperature the Offset value entered in this field 1s added to the input value before it is converted Conditions for sensor alarm overrides are specified in the Sensor Alarm Over ride dialog box Digital Override Input 1 8 0 The board and point addresses of up to eight digital over ride inputs may be specified in the Alarm Override Inputs screen see Section 12 2 Alarm Override Inputs In the Digital Override Input field the sensor may be assigned to 026 1005 Rev 1 06 09 97 one of t
91. ed in P N 026 1102 RMCC Installation and Operation Manual Section 3 5 Anti Sweat Control Percent On During All ON AII OFF 0 100 100 0 By default anti sweat circuits operate at 0 when the dew point is below the Dewpoint All OFF set point and at 100 when the dewpoint is above the Dewpoint All ON set point If desired a higher value for All OFF and a lower value for All ON may be specified Enter a value between 0 30 in the Percent On During All OFF field and between 70 100 in the Percent On During All ON field Dewpoint Humidity Offsets 20 20 0 Anti sweat heaters are controlled by dewpoint Dewpoint in an anti sweat circuit s area may be determined either by a dewpoint cell or by a relative humidity sensor used in conjunction with a temperature sensor If the dewpoint cell or relative humidity sensor is known to read high or low offsets may be specified in the Dewpoint Offset and Hu midity Offset fields to correctly calibrate the sensors Users may enter a value from 20 to 20 or from 20 F to 20 F Board and Point Configuration The board and point address of the anti sweat circuit s hu midity and temperature sensor are specified in these fields Anti Sweat Menu 25 4 3 Anti Sweat Outputs Setup Anti Sweat Outputs Setup Anti Sweat Dutputs On Off Interval 10 sec Input Ovenides ASW Outputs Hame Ed Pt Ed Pt EE HEE EEH EE HEEE H HE HEE EEH HE EEE EEH nti sweat heat
92. ed using cabal Single S peed Setup Setup Traneducer Setup Fan Bd Pt Setup PID Setpomts Setup Instance Wem Runtimes Tiwo Speed Setup Varlable Speed Setup View Alarm Print Setooirts Option S SR avec Y Page 7 Transducer Setup Section 8 5 Transducer Setup 59 Fan Setup Single Speed Setup Section 8 6 1 Single Speed Condenser Fans 59 Two Speed Setup Section 8 6 2 Two Speed Condenser Fans 60 ON Variable Speed Setup Section 8 6 3 Variable Speed Condenser Fans Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set 16 2 61 62 62 62 points 54 Compressor Setup 026 1005 Rev 1 06 09 97 8 1 Condenser Status Condenser Status 400 oo PRESSURE Es cs TEMPERATURE E So 100 pad Reclaim Status off 10 O o Open Head Pressure 399 9 Opan Ambient Setpoint 100 0 Controlled By Pressure CONDENSER FANS F an 1 On Fans On Fan 2 On Fan4 On gt Suction Groups i gt Unit Summary The operating status of the condenser as well as temperatures and pressures that affect condenser control are displayed in the Condenser Status screen Pressure Temperature The condenser head pressure outlet temperature and am bient temperature values are shown in the gauges and in the fields beneath The pressure set point is shown below the head pressure gauge and is also represented by a green dot inside the gauge The Con
93. ee Section 6 2 6 3 Manual Mode Manual Modes Circuit 2 Select command below you wish to perform on the circuit then press Ok f Ho Command Start Defrost End Manual Mode C Start Override fash Emergency Defrost Cancel Defrost commands may be sent manually to the circuit using the Manual Modes di alog box Start Defrost When defrost is manually activated defrost will run within the selected circuit for the defrost duration defined in Sec UltraSite User s Guide RMCC Supplement Other Circuits Button Clicking the left mouse button on the Other Circuits button brings up a dialog box where Circuit Status screens for oth er circuits may be accessed Clicking the right mouse button on the Other Circuits but ton brings up the Individual Circuits Menu see Section 6 2 Circuit Summary Button Clicking the left mouse button on the Circuit Summary but ton brings up the Circuit Summary screen Clicking the right mouse button on the Circuit Summary button brings up a menu identical to the Individual Circuits Menu see Section 6 2 Unit Summary Clicking the left mouse button on Unit Summary will bring up the Unit Summary Screen Clicking the right mouse button on Unit Summary will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu tion
94. een 11 2 Power Monitoring Setup Demand Setup Demand Setpoint 350 EW KW Transducer Minimum Voltage fi 0 Y Maximum Yoltage 5 0 Y Power at Maximum 500 0 EW Board Point Assignments Bd Pt P fo Demand Output 0 0 KW Input power monitoring setup information Is entered in this dialog box Demand Setpoint 0 32767 kW 350 kW The RMCC monitors energy consumption within the sys tem and will activate a closure when the current energy or demand reading exceeds the demand limit set point Enter the appropriate demand limit set point in kilowatts in the Demand Setpoint field 72 Power Monitoring Setup Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu The closure that activates when the demand reading ex ceeds the set point may be specified in the Demand Output Bd and Demand Output Pt fields Min Max Voltage 0 12V Min 1V Max 5V To calculate the current energy consumption kW transduc ers read the actual kW and send a voltage range defined by a minimum and maximum voltage Enter the minimum and maximum voltage sent by the kW transducer in the appropriate fields Power at Maximum 0 3200 kW 500 kW To correctly translate the voltage reading into a kW read ing the
95. elays 0 240 sec Compressor 3 sec Unloader 5 sec The Compressor On Off Delay and the Unloader On Off Delay are the amounts of time it takes for compressors or unloaders to react to on off commands from the RMCC To define the duration the compressors or unloaders will re main off enter a value between 0 and 240 seconds in the Compressor On Delay field and the Unloader On Delay field To define the duration the compressors or unloaders will remain on enter a value between 0 and 240 seconds in the Compressor Off Delay and the Unloader Off Delay field Floating Enable Yes No No The Floating Setpoint Strategy operates the compressor system at the highest possible suction pressure while main taining proper temperatures in the controlled cases and coolers This strategy adjusts the suction pressure settings when temperature conditions are acceptable To enable the Floating Setpoint Strategy put a check in the Floating En able box 026 1005 Rev 1 06 09 97 Interval 0 60 min 15 min In the Floating Setpoint Strategy the Interval is the amount of time the current circuit temperature must be above or be low the circuit temperature set point before an adjustment is made to the suction pressure Minimum Maximum Suction 20 99 Min 20 Max 30 When the Floating Setpoint Strategy is being used the Maximum Suction and the Minimum Suction are the high est and lowest pressures to which the Suction set point may b
96. em reset string should be sent on a regular ba sis If the Reset Modem at Midnight box is checked the RMCC will automatically send a reset string at midnight each evening Dial Out Delay 0 240 min 0 min RMCC alarms will usually initiate an alarm dialout se quence The number of minutes the RMCC will delay the dialout is defined in the Dial Out Delay field Users may 026 1005 Rev 1 06 09 97 enter any value between 0 and 240 Change Baud To options 9600 bps The baud rate of the dialout modem is specified in the Set up Port dialog box from the System pull down menu see UltraSite User s Guide Section 6 2 6 1 The baud rate chosen in the Setup Port box is the default baud rate used when the RMCC dials out If the device receiving the dia lout cannot read data at the default baud rate put a check in the box in front of the Change Baud To field and select the necessary baud rate from the scroll options Day Phones Up to two daytime phone numbers may be specified to re ceive dialouts The RMCC will first attempt to dial the number entered in the Day Phones 1 field If the line is busy or there is no answer the RMCC will dial the number five more times waiting five minutes before each attempt If no connection is made the RMCC will repeat the same pro cess with the number entered in the Day Phones 2 field If there is still no connection after the sixth attempt to call the second number an alarm will be ente
97. emperature Set Points when a contact closure is detected from an extra input The Circuit Alarm Temperature Set Points are defined at the In put Alarm Limits dialog box see Section 6 6 Note that this setting does not change the temperature set point with in the case only the alarm set point Dual temperature case settings must be changed at the case Circuits 41 6 5 Circuit Defrost Times Circuit Defrost Times Circuit 1 SDIC 01 Ist 00 30 HOHE PE Ath 2nd NONE Sth NONE 3rd NONE 6th a Send To ircuit defrost start times are establishe in this menu 6 6 Input Alarm Limits Circuit Input Alarms x Circuit 1 SDFJ O1c Circuit Input Alarm Limits x Circuit 1 SDIC 01 Term 1 High Limit NONE High Delay fo fo Low Limit NONE NONE Low Delay 0 fo T _ IE are a ured in this menu 42 Circuit Defrost Times Defrost begins within the selected circuit at the times de fined in these fields Up to six defrost times may be defined for each circuit All times should be in standard 24 hour clock increments When programming defrost start times note that the RMCC will allow overlapping of defrost times within cir cuits Overlapping defrost times may not be appropriate especially when running hot gas defrost systems RMCC software version 1 05 will not allow defrost to begin within 60 minutes after the conclusion of the previous defros
98. ers and their characteris tics are defined in this dialog box 4 4 Setup Instance etup Instance allows users to access a CCB related dialog boxes in succession When Setup Instance is chosen all dialog boxes related to anti sweat setup appear in sequence This allows users to change a number of settings without having to select each 26 Anti Sweat Outputs Setup ON OFF Interval 0 999 sec All anti sweat circuits pulse heaters ON for a percentage of a defined time interval This interval is entered in the ON OFF Interval field Any value from one to 999 seconds may be entered here however due to the characteristics of the 8DO Digital Output Board the value should be less than 240 seconds Name 15 char max In the field to the right of the anti sweat heater number a name may be entered Enter any name up to 15 characters Input Overrides The board and point addresses of the anti sweat overrides are entered in the Input Overrides fields ASW Outputs The board and point addresses of the PMAC panel anti sweat outputs must be entered in the ASW Outputs fields 10 sec dialog box individually from the system tree menu When the anti sweat circuit is created in UltraSite the Setup In stance sequence is initiated automatically Setup Instance cycles through the dialog boxes in the fol lowing order e Anti Sweat Setup see Section 4 2 e Anti Sweat Output Setup see Section 4 3 026 1005 Rev 1 06
99. es 93 impar Type of input The sate ofthe Phase Lows input Compressor Group impar Type of input Suction Analog The current suction pressure transducer value If this value is expressed in bars the value will be multiplied by 10 when pointed to Suction Setpoint The current suction pressure set point as defined in Section 13 7 4 Suction Group Setup If the set point float feature is being used the floated set point value will be the one used by the I O Module If this value is expressed in bars the value will be multiplied by 10 when pointed to VS Percentage Analog 0 100 The percentage at which the selected group s VS compressor is currently operating VS RPM Analog The RPM at which the selected group s VS compressor is currently operating Float Temp Analog The circuit temperature sensor value being used to float the compressor group s suction set point The state of the Defrost Inhibit input Checkit State Analog An analog value from 0 to 6 signifying the current state of the Checkit sensor e 0 Fail the sensor is not functioning e Alarm the Checkit reading is above alarm set point e2 Notice the Checkit reading is above notice set point e3 Reclaim Checkit is suspended due to active reclaim e4 Hot Gas Checkit is suspended due to hot gas defrost e5 Delay Checkit is suspended due to post defrost delay e6 OK Checkit is functioning within an acceptable range Checkit Input The cur
100. es for the suction pressure suc tion temperature variable speed inverter and defrost inhib itor inputs are defined in the Input fields Outputs The outputs that connect to the variable speed alarm and the inverter reset contacts are defined in the Output fields Individual compressors within a suction group are selected for setup in this dialog box Selecting Compressor Setup from the menu brings up a di alog box listing each compressor within a suction group Selecting a compressor and clicking Edit will bring up the Compressor Setup box described in Section 7 1 Compres sor Setup Changes may be made to the compressor config uration in the same manner demonstrated in Section 7 1 Suction Groups 89 13 7 6 Fixed Steps Setup Fixed Steps Setup Cl C2 C3 CA HP of Steps i a i a a7 oH oaAaoae II 20 EM Ma a ft lL lL O gt HH m a ao 0 E Ma a J Lt D m Mm E o doo oS 0 C Ma a ft Lt lL DO i m ft Hf J J td A A Delete Step HH a a ft dt lL 0 HH Hf Hm J J J 0 HH am a ft Ld lL 0 iis mw HH a dl Ol Ol wt E Mam am J ft Lt lL 0 i Hw im HHH ooo PON 0 C Ma am J ft Lt 0 H MM ll D C Mm a ft Lt lL O II TI IO AO IO PO ION 0 C Maa ll Al DO ic e A e a VO oo Ho D C Mm am o 0 a a Send To om eee are ONES a the Fixed Steps Setup dialog box The Fixed Step Strategy for each suction group is config ured in the Fixed Step
101. et point input to use ON or NONE Occ SP OFF Unoc SP Float Analog Input used by the Float cell to float the set point value Control Value Analog The control input that is compared to the PID setpoint to determine the PID output value Direct Acting Digital Determines the direction the PID output changes in relation to the Control Value input ON or NONE Direct Acting PID output goes from 0 100 as Control Value increases OFF Reverse Acting PID output goes from 0 100 as Control Value decreases Output Output Name Type Description The analog PID percentage from the PID cell after filtering from the Filter cell The current PID setpoint value being used by the PID cell Stages turn ON proportionately as the PID output rises from 0 to 100 Stages must be defined in UltraSite see Section 3 7 The Analog PID PWM Loop Output value converted to a pulse width modulation signal 102 026 1005 Rev 1 06 09 97 Cell Name Functional Description Selects either the Occ SP or Unoc SP for use as the PID set point based on the value of the Occupied input Floats the PID set point within a certain range based on the value of the Float input Determines a PID output percentage depending upon the Control Value and its relation to the PID set point Output may be either direct or reverse acting Limits the rate of change over time for the PID output value Override Overrides the Analog PID PWM
102. f seconds equal to the Normal On Delay Enter the desired value in this field Before the RMCC turns off a condenser fan it will wait a number of seconds equal to the Normal Off Delay Enter the desired value in this field Interstage Delays Fast Recovery On Off 0 3600 sec 6 sec When the condenser is switched from normal to fast recov ery mode the RMCC will wait a number of seconds equal to the Fast Recovery On Delay before activating all con denser fans Enter the desired value in this field When the condenser is switched from fast recovery to nor mal mode the RMCC will wait a number of seconds equal to the Fast Recovery Off Delay before returning the con denser to normal operation Enter the desired value in this field Condenser Menu 59 Edit Fan Bd Pt Assignments Clicking on this button calls up the Edit Condenser Fan Bd Pt Assignments dialog box See Section Section 8 7 Edit Condenser Fan Bd Pt Assignments for instructions on how to edit condenser fan addresses Split Enable Yes No Yes To enable the Condenser Split feature check the Split En able box To disable condenser splitting leave this box blank Split Fans options None When the Condenser Split feature is active and the RMCC calls for the condensers to be split selected fans will be dis abled These fans are chosen in the Split Fans scroll box The Condenser Split feature uses the addresses of the fans 8RO board connection
103. fy an interval in the 8DO Interval field The interval is the amount of time over which the 8DO s output will be applied for example if the output value being sent to the 8DO is 60 and the 8DO In terval is set to 1 second the 8DO will turn the output on for 0 6 seconds 60 of a second turn it off for 0 4 seconds and repeat this cycle every second States ON and OFF ON OFF NONE ON ON OFF OFF When the module calls for the Command Alarm and No tice outputs to be either ON or OFF it applies the digital values specified in the ON and OFF fields The value spec ified in the ON field will be the actual state of the output when it is called to be ON Likewise the value in the OFF field will be the state of the output when it is called to be OFF For either the ON or OFF field users may specify OFF ON or NONE for don t care See P N 026 1102 RMCC Installation and Operation Manual Section 3 7 1 2 Module Inputs and Outputs for a definition of the NONE state Analog Input Modules 15 2 7 Counter Setup Counter Setup Analog Input 1 Initial Count Yalue 0 0 Trip Point NONE hd Counter Increment O lelds necessary to define an Analog Input Module s Counter cell are in the Counter Setup dialog box For a complete definition of how the Counter cell operates refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 1 Analog Input Module Initial Count Value
104. he Defrost Times Drain field Demand Defrost Times Fail Safe 0 240 hrs 0 hrs The Demand Fail Safe Time is the time at which defrost begins if for any reason defrost is not called for by De mand Defrost sensors installed in the case This time should be the maximum duration in hours the case should remain in normal refrigeration mode without a stage of de frost When using scheduled defrosts see Section 6 5 Circuit Defrost Times defrost will occur at the next scheduled defrost time following the demand fail safe pe riod Demand Defrost Times Alarm 0 240 hrs 0 hrs The RMCC will activate an alarm in the Alarm Log when defrost has not occurred in the selected circuit for the de fined Alarm Time Case Pump Down Delay 0 240 sec 0 sec Defrost performance is improved by specifying a duration during which the system empties or pumps down refrig erant from the evaporator coil This procedure ensures that residual refrigerant for the coil does not work against the defrost cycle When this delay is activated within a Case Control Circuit the Suction Valve is closed for the defined delay before the defrost cycle begins During this delay the Pulse Width Modulation and Defrost Valves are also closed The delay duration is defined in the Case Pump Down Delay field Dual Temp Alarm Setpoint Shift 99 99 0 The Dual Temperature Alarm Shift Setpoint is the value added to the defined Circuit Alarm T
105. he Refrigeration Solenoid This solenoid will open and close based on the Control Temperature being maintained with in the circuit The Control Temperature is defined in the Circuit Setpoints dialog box e EPR Valve the refrigeration solenoid will remain open during normal refrigeration and should close on a call for defrost O 6 0 Specify how many temperature sensors are in the circuit by entering a number in the Number of Temperature Sensors field When multiple temperature sensor readings are being used to control the circuit the RMCC must be told how to calculate the controlling temperature reading from the dif ferent sensors There are two strategies to choose from Number of Temp Sensors Strate e Average the average of the temperature sensor readings is used as the control temp e Maximum the highest temperature sensor reading 1s used as the control temp e Minimum the lowest temperature sensor reading is used as the control temp Number of Demand Sensors 0 2 0 The number of demand sensors installed within each circuit is defined in the Number of Demand Sensors field Up to two Demand Sensors may be configured If two demand sensors are used the RMCC must receive an ON status from both sensors to activate Demand Defrost If either of the two sensors are OFF Demand Defrost will not be acti vated Fans On During Defrost Yes No No To continue normal operation of condenser fans during de fros
106. hese inputs Enter a number corresponding to the number of the Alarm Override Input 1 through 8 Turn Sensor Relay Off Yes No No If desired the sensor relay will turn off when an alarm override is activated To deactivate the relay check the Turn Sensor Relay Off box Type Duration Fixed Timed Fixed Two types of overrides may be chosen from the Type scroll options e Timed The RMCC overrides the sensor alarm for a period of time specified in the Duration field 12 3 6 Setup Instance Setup Instance allows users to access all sensor related dialog boxes in succes sion When Setup Instance is chosen all dialog boxes related to sensor setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When UltraSite User s Guide RMCC Supplement e Fixed The RMCC overrides the sensor alarm until the override is manually turned off or until it is de activated by the alarm override schedule Manual Override Normal Off On Normal Normal sensor operation may also be bypassed manually regardless of the Alarm Override Input status A manual override is a fixed ON or OFF override and is activated in the Manual Override field To activate a manual override enter the desired override value in the Manual Override field The selected sensor will remain in override mode un til the user returns to this field and chooses Normal
107. hether the liquid line solenoid is On or Off Demand I Demand 2 whether the demand defrost sensors are On or Off Clean Switch whether the cleaning switch is Open or Closed Dual Temp whether the dual temp input is On or Off Double clicking the left mouse button on any of the fields except the Demand and Demand 2 fields will bring up a Bypass dialog box Choosing one of the options in the dia log box will bypass the input or output on bypass the input or output off or return the input or output to normal opera tion The Demand sensors may not be bypassed double clicking the Demand fields will bring up the Manual Mode dialog box see Section 6 3 Clicking the right mouse button on any of the fields will bring up a menu similar to the Individual Circuits Menu see Section 6 2 In addition a Bypass option will ap pear at the top of the menu for all fields except for Demand 1 and Demand 2 Case Diagram The case diagram is a general profile of the selected case Depending on the Case Type specified in Section 6 7 the picture that will appear here will be either a wide island case multi deck frozen food single deck meat coffin case reach in frozen food deli case or walk in cooler Temp Setpoint The Temp Setpoint is the defined case temperature set point It is shown both in the Setpoint field and on the gauge directly above it The set point may be changed by Circuits 37 clicking and holdi
108. ialog boxes related to analog input module setup appear in sequence This allows users to change a number of settings without having to se lect each dialog box individually from the system tree menu When the module is created in UltraSite the Setup Instance sequence is initiated automatically UltraSite User s Guide RMCC Supplement Setup Instance cycles through the dialog boxes in the fol lowing order e Analog Output Module Setup see Section 3 3 e Analog Output Inputs see Section 3 5 e Analog Output Outputs see Section 3 6 e Analog Output PID Setup see Section 3 4 e Analog Output Sequencer see Section 3 7 e Analog Output Setpoints see Section 3 2 Analog Output Modules 23 4 Anti Sweat Menu ma TAME m m a a ute anti sweat panel are defined using the di alog boxes in the Anti Sweat menu Screen Ma MI Status Setpoints Output Setup Setup Instance View Alarms Print Setpoint Log Inventory o teens Y Page Print Setpoints points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving Component Log Inventory 4 1 Anti Sweat Status Anti Sweat oesescsccolo 888323828238 500o oos RERERESR RZ Current Output Average Output Humidity Anti Sweats i gt l Unit Summary 1995 CPC Dewpoint values used to control the anti sweat panel are determined from either a dewpoint cell or from a combina tion of humidity
109. icking the right mouse button on the Suction Groups but ton will bring up the Suction Groups Main Menu see Sec tion 13 Suction Groups Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu Condenser Menu 55 8 2 Condenser Setpoints Condenser Setpoints Ea Condenser Setpoints Setpoint Throttle Range Shift During Reclaim Fast Recovery Starts when Press Temp exceeds Fast Recovery Hystersis Low Pressure Setpoint Low Pressure Hystersis Temperature Differential Minimum Condensing Temperature ae a GIO q ON a the condenser fans are defined in the Condenser Setpoints dialog box Setpoint 0 999 200 This set point is the temperature or pressure at which the RMCC will begin to activate the fan or fans The control value used Condenser Setup screen see Section 8 4 Throttle Range 0 99 0 When a throttle range is defined the RMCC will activate condenser fans in succession as the discharge pressure or temperature exceeds the Setpoint for First Fan The RMCC uses the values specified for the Setpoint for First Fan and the Throttle Range to generate a series of incremental set
110. in the Float Temp field This tem perature is the case temperature of the circuit defined in the Lead Circuit field see Section 13 7 4 Suction Group Set up Also the minimum and maximum levels of the float ing set point are shown underneath the Suction Setpoint field In the fields below the pressure gauges additional pressure control status information is shown e Controlled By whether the suction pressure is be ing controlled by temperature or pressure e Strategy whether the compressors are following a normal or fixed step strategy e Check It the operational status of the Checkit liq uid level sensor e VS Inverter Alarm whether the variable speed in verter alarm is on or off e VS Alarm whether the variable speed compressor alarm is on or off UltraSite User s Guide RMCC Supplement of Capacity _ DISCHARGE gt 1995 CPC e Inverter Reset whether the inverter reset is on or off e Defrost Inhibit whether the defrost inhibit is on or off Double clicking the left mouse button anywhere in the box labelled SUCTION in the figure above will activate the Suction Group Setpoints dialog box as shown in Section 13 7 2 Clicking the right mouse button anywhere in this area will bring up a menu of suction group configuration options similar to the menu called up by right clicking an individ ual suction group at the system tree The dialog boxes that may be called up at thi
111. ing is desired check this box Filter Factor 0 100 10 The Filter cell samples the PID output values at regular time intervals defined in Filter Period below This allows the Filter cell to compare newly sampled values to the pre viously sampled values and adjust the cell s output value accordingly The amount the Filter cell adjusts the cell out put is entered in the Filter Factor field Simply put the Filter cell subtracts the output value of the previous sampling period from the newly sampled value and to this value it applies the Filter Factor percentage The resulting value is the amount the Filter cell adds to the cur rent Filter cell output In this manner the Filter cell slows the output s reaction time to changes in the PID output val ue For example suppose a PID output value suddenly changes from 50 to 60 If a Filter Factor of 50 is active in this module only half of that change will be reflected in the Fil ter cell output during a single sample period Therefore when the input change is first detected by the Filter cell the output would immediately go to 55 Note however that as long as the input value remains at 60 the Filter cell s output will eventually climb to 60 after several sampling periods going from 55 to 57 5 to 58 75 and so on until the output eventually reaches 60 Filter Time Period 00 00 00 24 00 00 00 00 01 The Filter Time Period is the amount of time between input s
112. ircuit Assignment see Section 5 3 e CCB Setpoints see Section 5 2 e CCB Alarm Setup see Section 5 5 e Case Log Intervals see Section 5 4 e Case Offsets see Section 5 6 e Stepper Setup see Section 5 7 026 1005 Rev 1 06 09 97 6 Circuits _ _ _ _ __ Screen Map From the Circuits Main Menu users may A add new circuits view circuit summaries teut E stee array and set up the humidity sensor used in A anti sweat control ae Print Setooints Option Reference Page Summary See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Circuit Defrost Summary See P N 026 1002 UltraSite User s Guide Section 20 Status and 20 1 Summary Screens Humidity Setup Section 6 1 Humidity Setup Add New See P N 026 1002 UltraSite User s Guide Section 15 8 Adding New 15 6 Components Enhanced REFLECS only See P N 026 1002 UltraSite User s Guide Section 14 Alarms See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points 6 1 Humidity Setup Creu input Setup pea Setup information for the humidity sen sor is specified in the Humidity Setup di Location jo fo alog box Sensor Type Offset joo The setup information for the RMCC s humidity sensor is configured in this dialog box UltraSite User s Guide RMCC Supplement Circuits 35 6 2 Individual Circuits Menu ee reen tao pions necessary to set up Standar Status
113. itializing to defaults 43 master liquid line solenoid 44 naming 43 set points 40 41 case pump down delay 40 case temperature 37 40 defrost fail safe time 40 defrost termination temperature 40 demand defrost alarm time 40 demand defrost fail safe time 40 discharge to return air percent age 40 drain time 40 dual temperature shift 41 fan anti sweat off 40 setup 43 45 case lights strategy 43 clean switch 43 defining defrost termination strat egy 44 defining defrost type 43 defrost termination type 44 dual temp input 45 fans on during defrost 44 temp control strategy 44 valve control strategy 44 shut down if suction group fails 45 Circuits Standard advanced defrost options 49 50 hot gas 50 bypassing inputs 37 case temperature dead band 41 case types 43 clean switch 47 defining defrost type 46 defining type 43 defrost termination strategy 46 defrost termination type 46 initialize to defaults 43 master liquid line solenoid 47 naming 46 set points 41 106 Index case pump down delay 41 case temperature 37 41 defrost fail safe time 41 demand defrost alarm 41 demand defrost fail safe time 41 drain time 41 dual temp shift 41 termination temperature 41 setup 46 47 dual temp input 47 fans on during defrost 47 number of demand sensors 47 number of temp sensors strategy 47 number of termination sensors strategy 46 COM A Network See RS485 Input Output Network COM D Network See RS485
114. l Circuit the Suction Valve closes lor the defined delay before the defrost eyele begins During this delay the Pulse Width Modulation and Defrost Valves are also closed 22 Circuit Setpoints 026 1005 Rev 0 08 21 96 the range of values that may be entered and the default values in brackets UltraSite User s Guide RMCC Supplement RMCC System Navigation 1 1 Device Setup Menu A P er nrormation pertaining to operation an a i uvupn muus configuration of the RMCC including E ama A ote passwords remote communication set JAnal Summay tings and logging and alarm setup may Ant be entered using the Device Setup menu options me Com Terminal Mode Pressure Setup Digi 2 Device Setup Device Configuration Holiday Schedule Alarm Filtering Setup Wizard Communications Ligh aE Satellite Communications Get Unit Inventory Sens Logging Configuration S Add New peer Seton Alarm Setup View Unit Alarms 120 Boards Setup Autopolling Option S S S SR arene Y Page Device Cotsen ESTARSE J r ay Schedule Section 12 Holiday Scheduling gt Mam Peine Section 13 485 Alarm Fring SSS Presses J tion 14 Pressure Control sep J gt CO A Communicaions section Communications Informan amsa feens O O O O O oo C AO 1 1 System Configuration System ID 1 Model Name RMCC Monday General information such as device Revision 2 02
115. l cycle in a six second window according to the calculated humidity level Frost Sensor Yes No No If the case has demand defrost sensors installed put a check in this box CPC Suction Stepper CCB Set Points Set points for the control of the evapora tor in CPC suction stepper CCBs are de fined in the CCB Setpoints dialog box 0 9 4 Sensitivity is a value used by CCBs that determines how quickly the EEPR reacts to superheat changes Users may enter a number in the Sensitivity field between 0 and 9 Choosing 0 will give the slowest reaction time and choosing 9 will give the fastest For a detailed descrip tion of the sensitivity value consult P N 026 1102 Refrig Sensitivit 026 1005 Rev 1 06 09 97 eration Monitor and Case Control Installation and Operation Manual Section 8 3 Valve Control Update Rate 1 60 sec 6 sec The Update Rate 1s the number of seconds it takes for the suction valve to complete a single control loop Lower up date rate values will cause the valve to react faster to case temperature changes while high update rate values will slow the valve s reaction time The default value six sec onds should be a sufficient update rate for nearly all cases however if the valve is over reacting to temperature changes a higher update rate may be necessary Anti Sweat High Low Limit 0 100 60 40 When the Anti Sweat feature is enabled the anti sweat heater range fo
116. ld the percentage of Discharge Air to be mixed with the remaining percentage of Return Air Case Pump Down Delay O 240 sec 0 sec Defrost performance is improved by specifying a duration during which the system empties or pumps down refrig erant from the evaporator coil This procedure ensures that residual refrigerant in the coil does not work against the de frost cycle When this delay 1s activated within a Case Con trol Circuit the Suction Valve closes for the defined delay before the defrost cycle begins During this delay the Pulse Width Modulation and Defrost Valves are also closed Discharge Return Air Weightin 026 1005 Rev 1 06 09 97 Dual Temp Alarm Setpoint Shift 99 99 0 The Dual Temperature Alarm Shift Setpoint is the value added to the defined Circuit Alarm Temperature Set Points when a contact closure is detected from an extra input The Circuit Alarm Temperature Set Points are defined at the In 6 4 2 Circuit Setpoints Circuit 1 SDIC 01 Temperatures Defrost Times min Setpoint 25 0 Duration 45 2 0 Drain 5 48 0 Demand Defrost Times hrs jo Alarm jo jo Secs Dual Temp Alarm Setpoint Shift 0 0 Deadband Termination Fail S afe Case Pump Down Delay OF Send To Set points used by the RMCC to control standard circuits are defined in the Cir cuit Setpoints dialog box Temperatures Setpoint 99 997 257 The temperatu
117. ll sensor values will be used as the control value Fast Recovery Value Evaporative condensers may use a combination of one or more sensor values as a control value Some of the combi nation strategies used in evaporative condenser control namely Average AVG and Minimum MIN may not yield appropriate control values for use in Fast Recovery because a high pressure or temperature in one sensor might have little or no effect on the control value Since the Fast Recovery feature is designed to keep pressure or tempera ture throughout the system from going too high it might be a better option to use the maximum sensor value as the con trol value for Fast Recovery 58 e Condenser Setup To use the highest sensor value as the Fast Recovery con trol value select Max in this field To use the same control value that is used in condenser fan control select Ctl Value Shutdown when Proof Fails Yes No No When the Shutdown when Proof Fails box is checked the condenser will cease operation when a fan proof fails Note that a delay before failure and or a proof clearing feature may be employed before a fan is considered to be failed see below Proof Clearing of attempts No limit 0 at tempts When a fan proof is closed the RMCC attempts to clear it by turning the fan on If the proof is successfully cleared af ter this attempt the fan shuts off and condenser control re verts to normal If the attempt is unsuc
118. log initiates contact closures for external warning devices such as a485 Alarm Annunciator panel and if desired in1 tiates a dialout procedure Selecting the Notice button for the Suction or Pump Down fields writes an entry in the alarm log and takes no further actions Alarms and notices for Pump Down conditions may be disabled by choosing the Disable button no more than 15 characters long The number of compres sors within the defined group is entered in the Comps field Strate Normal Fixed Normal The compressor strategy determines the cycling of com pressors to maintain the appropriate suction pressure Users may choose from the following strategies e Normal the RMCC cycles compressors to maintain suction pressure based on HP Amps defined at the Compressor Setup dialog box see Section 7 1 us ing PID control algorithms e Fixed Steps the RMCC cycles compressors to maintain suction pressure based the sequence of op eration defined by the user at the Fixed Steps Setup dialog box see Section 13 7 6 Controlled By Pressure Temperature Pressure Suction pressure within each group is measured and main tained either by pressure or temperature suction set point Select Temperature or Pressure from the Controlled By scroll options One Compressor Always On Yes No No To force one compressor on within a selected suction group regardless of the suction pressure reading put a check in the One Compressor Al
119. ltraSite User s Guide RMCC Supplement All fields necessary to set up the Counter cell are in the Counter Setup dialog box For a complete definition of how the Counter cell operates refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 2 Digital Output Module Initial Count Value 0 32767 0 The Initial Count Value is the value at which the counter begins When the Counter cell is reset the Count output re turns to the Initial Count value Trip Point 0 32767 NONE If the Initial Count Value reaches a value higher than the defined Trip Point the Counter cell calls for the Count Digital Output Modules 67 Tripped output to be ON Reset Type Level Edge InvEdge Level The Counter cell s Count value is reset to the Initial Count Value upon receiving a signal from the Reset input The type of signal that will reset the Counter cell is specified in the Reset Type field There are three different reset types e Level the Count will reset whenever the Reset input 1s ON 9 7 Setup Instance A DS nope users p access aj Digital Output Module related dialog box es in succession When Setup Instance 1s chosen all dialog boxes related to Digital Output Module setup appear in sequence This al lows users to change a number of settings without having to select each dialog box individually from the system tree menu When a module is created in UltraSite the Setup In stance sequenc
120. m and shut down all com pressors if the suction pressure falls below the Pump Down set point Compressors will remain shut down until the suc tion pressure rises to the Suction Pressure Setpoint defined in Section 13 7 2 Suction Group Setpoints To activate the Pump Down alarm define the Pump Down Suction Pressure set point in the Pump Down field Pump Down Delay 0 240 sec 10 sec The Pump Down Delay is a specified amount of time in which the pump must remain down before the RMCC gen erates an alarm To specify the pump down delay enter a value in the Pump Down Delay field Suction Groups 87 Oil Automatic Reset Yes No Yes In screw compressor applications where low oil conditions are common 1t may be advantageous to provide an auto matic reset whenever a low oil condition is recognized through a digital sensor closure When a low oil condition occurs the associated compressor will be shut down for 20 seconds After 20 seconds the RMCC will read the digital sensor relay again If the low oil condition remains the as sociated compressor will be turned on for 20 seconds The RMCC will run this oil pressure safety cycle three times On the third low oil pressure occurrence the compressor will be turned on and an alarm generated The compressor will remain on until the alarm is acknowledged If at any time during the pressure safety cycle the RMCC finds normal oil pressure the associated compressor will return to no
121. mber of steps equal to the valve s hysteresis value Enter this value in the Hysteresis field 5 8 Setup Instance pen a mn users a access a CCB related dialog boxes in succession When Setup Instance is chosen all dialog boxes related to CCB setup appear in sequence This allows users to change a number of settings without having to select each dialog box individually from the system tree menu When a CCB is created in UltraSite the Setup Instance sequence is initi ated automatically 34 Stepper Setup Steps per Second 1 100 steps sec 100 steps sec The maximum steps per second rate of a stepper valve is defined in the Steps per Second field Maximum Steps 50 6553 steps The Maximum Steps value is the number of steps it takes for a stepper valve to travel from closed 0 to open 100 Set Valve Defaults For some valves stepper setup information can be entered automatically by choosing one of the presets in the Set De faults menu To use one of these presets left click the Set Valve Defaults button and choose the desired valve preset from the Set Defaults for Valve scroll options The presets that may be chosen and the values entered for each of them are listed in Table 5 1 Steps Per Second ES Valve Preset Hysteresis 384 EEPR Awe of rossa of eo o E Table 5 1 Stepper Valve Presets Setup Instance cycles through the dialog boxes in the fol lowing order e CCB C
122. me entered in this field is the maximum amount of time the RMCC will perform a recovery action Anti Sweat High Limit 5 100 60 Anti Sweat Low Limit O 75 40 When the Anti Sweat feature 1s enabled the anti sweat heater range for each case 1s defined in the Anti Sweat High Limit and Anti Sweat Low Limit fields If the calcu lated humidity exceeds the defined Anti Sweat High limit the anti sweat heater will remain on at all times If the cal culated humidity drops below the defined Anti Sweat Low limit the anti sweat heater will remain off at all times Be tween these set points the anti sweat heaters will cycle in a six second window according to the calculated humidity level Frost Sensor Yes No No If the case has demand defrost sensors installed put a check in this box Case Deadband 0 0 12 07 0 67 The Case Deadband value is a temperature range equally above and below the Case Temperature Setpoint previous ly defined in the Section 6 4 1 Case Control Circuit Set points When the case temperature exceeds the dead band refrigeration will be activated in the case When the case temperature drops below the dead band the refrigeration valve closes at a rate defined by the Close Rate percentage below Valve Multiplier 25 100 100 The Valve Multiplier is a value that allows the capacity of the EEV to be reduced The default setting is 100 and should only be adjusted in special applications
123. mit Notice set point the Notice output will be ON Trip Delay 00 00 00 24 00 00 00 00 00 When the input value goes below a Low Limit or above a High Limit set point the RMCC will wait an amount of time equal to the Trip Delay before turning an output from OFF to ON The Trip Delay is specified in hours minutes seconds for mat HH MM SS Clear Delay 00 00 00 24 00 00 00 00 00 When an Alarm or Notice output is ON and the input value moves back into the acceptable set point range 1 e above a Low Limit and below a High Limit set point the RMCC will wait an amount of time equal to the Clear Delay before turning the output OFF The Trip Delay is specified in hours minutes seconds for mat HH MM SS 2 4 Setup Combiner Limiting Filter Analog Inputs Setup x Analog Input 1 AY INPUT 01 l Enabled Combiner Hode Alternate Mode Mix Ratio Limiting Block Low Limit High Limit Filter l Filter Enable Filter Factor 10 0 x Filter Factor Time Period 00 00 01 All fields necessary to set up the AVCom biner and Filter cells are in the Analog In puts Setup dialog box The AVCombiner cell defined in this dialog box com bines the values of up to four analog inputs using a defined combination strategy The Limiting cell limits the com bined input value to a specified high low range The Filter cell alters the rate at which the combined value changes over time A full desc
124. mp The state of the circuit s dual temp switch Manual Mode Digital If the circuit is operating in manual defrost this value will be ON if not the value will be OFF Digital The state of the circuit s case fans Analog Inputs options NONE For a description of the available Analog Input Module outputs see Section 3 7 2 1 Analog Input Module Analog Outputs options NONE For a description of the avaliable Analog Output Module outputs see Section 3 7 2 3 Analog Output Module Digital Outputs options NONE For a description of the available Digital Output Module outputs see Section 3 7 2 2 Digital Output Module 96 Appendix A RMCC I O Module Input Sources 026 1005 Rev 1 06 09 97 Input Board 0 32767 0 The Input Board option allows a user to choose an input from any input board point on the RMCC Input Output Network C Select Circuit Input When the Input Board option is selected a field appears beside the input spa For simplicity the Alter Board dialog box splits the RMCC inputs into two Group 3 Suction Pressure 1 categories the Normal Inputs which contain all non circuit related inputs and Circuit Inputs which contain all circuit related inputs To select a Cir Cancel cuit Input users must first select the desired circuit in the scroll options along with a button called Alter Index Pressing the Alter Index button C Discharge Tomp EXTRA brings up the Alter Board dialog
125. mpressor is running To define the low and high suction group enter the low suction group number in the Low Suction Group field and the high suction group number in the High Suction Group field Group numbers are determined when the suction groups are created from the Add New Suction Group com mand 026 1005 Rev 1 06 09 97 13 4 Pressure Log Interval Pressure Log Interval 00 03 00 Log Interval The amount of time between pressure control logs is defined in this dialog box 13 5 Checkit Setpoints 150 0 Delay Alarm Setpoint Notice Setpoint 135 0 Delay Disable during Hot Gas Delay l Disable during Reclaim i E Cancel Send To Checkit sensors are configured in the Checkit Setpoints dialog box Alarm Setpoint Notice Setpoint 0 240 150 135 Alarm Delay Notice Delay 0 120 min 30 30 The Checkit sensor continuously monitors the refrigeration system for a temperature increase indicating low liquid lev els within the system The RMCC may be configured to generate an alarm and or a notice when the measured Chec kit temperature rises to a defined value The value at which an alarm will be generated is defined in the Alarm Setpoint field An alarm is a high level warning that appears in the RMCC Alarm Log An alarm may be ac companied by a contact closure for on site operation of a UltraSite User s Guide RMCC Supplement The RMCC periodically records pressure control data
126. n 29 and 31 without the T mode making any adjustment 3 5 Analog Output Inputs Setup Analog Output 1 AY OUTPUT 01 Control Value None y Occ Setpoint None x Unocc Setpt None y Float Direct Acting Occupied All Analog Output Module inputs are de fined in this dialog box Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 3 Analog Output Module for a complete description of the module inputs A complete list of the possible input sources is given in Ap pendix A 3 6 Analog Output Outputs Setup Analog Outputs Outputs Setup E4 Analog Output 1 AY OUTPUT 01 Output Boards 8DO Interval ui m La Analog PID PWM Loop Output vw m y Analog PID Setpoint Digital PWM Output z z o o a Lele di ANNAN Digital Stage 1 Output State o o gt Digital Stage 2 Output State Le Le Digital Stage 3 Output State Digital Stage 4 Output State Digital Stage 5 Output State z o 3 Le Digital Stage 6 Output State z z o o aa Lee Digital Stage 7 Output State AAA ALEA Digital Stage 8 Dutput State z o 3 Le Send To Cancel All of the Analog Output Module outputs are defined in this dialog box UltraSite User s Guide RMCC Supplement Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 3 Analog Output Module for more information about these outputs Type
127. nd or OFF for a specified minimum duration The One Shot cell also defined in this dialog box converts the logical ON OFF signal from the digital combiner into a digital pulse signal The Proof cell also defined in this dialog box turns the Proof input ON whenever the Proof input does not match the digital Output Min On Off Times 00 00 00 24 00 00 00 00 00 The Minimum On time is the smallest amount of time the digital output must remain ON before an OFF transition is allowed The Minimum Off time is the smallest amount of time the digital output must remain OFF before an ON tran sition is allowed The Min On Off Times are specified in hours minutes sec onds format HH MM SS Min On Off Delay 0 240 min 0 min The Minimum On Delay is the number of minutes the Min On Off cell will wait before changing the state of the Com mand Output from OFF to ON Likewise the Minimum Off Delay is the number of minutes the cell will wait before changing the Command Output from ON to OFF 026 1005 Rev 1 06 09 97 One Shot Timer Type Disabled Momentary ON Momentary OFF Disabled The One Shot Timer Type field determines how the logical ON OFF signal generated by the DVCombiner and Schedif cells see Section 9 3 is interpreted into a digital pulse signal There are three different timer types to choose from e Disabled the One Shot cell is disabled meaning the logical ON OFF signal will be sent to the Output
128. ned in Sec tion 11 2 Power Monitoring Setup KWHs Used Today 0 0 er usage is above the demand set point the demand relay should be ON otherwise it should remain OFF ee E e Timer the number of hours and minutes the de ae EHA mand relay has been in the current 24 hour period e Peak Power Today Peak Time the highest reading of the watt hour transducer recorded in the current 24 hour period The Peak Time field displays the time in which the Peak Power Today value was re The current hourly and daily power us corded age statistics are displayed in the Power e KWHs Used This Hour the amount of power used Monitoring Status Screen within the current hour in kilowatt hours e KWHs Used Today the amount of power used with in the current 24 hour time period in kilowatt If the RMCC is set up to monitor power the Power Moni hours toring Status Screen will display all information applicable to power and demand monitoring A definition of the fields UltraSite User s Guide RMCC Supplement Power Monitoring Menu 71 Double clicking the left mouse button on any of the fields calls up the Demand Setup dialog box see Section 11 2 Clicking the right mouse button on any of the fields in this screen brings up a menu identical to the menu called up by right clicking Power Monitoring at the system tree Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Scr
129. ner and Schedule Interface cells are in the Digital Outputs Setup dialog box The DVCombiner cell defined in this dialog box com bines up to four inputs into a single control value The Schedule Interface module also defined in this dialog box takes the control value from the DVCombiner cell and combines it again with the Occupied input Combine Mode Combine Alternate Mode op tions First The Combine Mode and Combine Alternate Mode are the control strategies used by the DVCombiner cell to combine Digital Output Modules 65 the digital module inputs into a single control value The Use Alternate Combination input defined in Section 9 4 Digital Output Module Inputs determines whether the Combine Mode or the Combine Alternate Mode is used When the input is OFF or NONE the Combine Mode is used When the input is ON the Combine Alternate Mode is used There are five possible Combine Modes AND If all defined inputs are ON the output will be ON OR If one or more defined inputs are ON the out put will be ON e XOR If all inputs are OFF or if all inputs are ON the output will be OFF otherwise the output will be ON e VOTE If a majority of the defined inputs are ON the output will be ON If the majority of the defined inputs are OFF or if 50 of the inputs are OFF the output will be OFF e First The first non NONE input will be used as the control value Invert Combiner Output Yes No No
130. ng the left mouse button on the gauge in dicator dragging the indicator to the desired position and releasing the mouse button Double clicking the left mouse button on the Temp Set point gauge brings up the Manual Mode dialog box see Section 6 3 From this dialog box manual defrost mode may be initiated or ended Clicking the right mouse button on the Temp Setpoint gauge brings up the Individual Circuits Menu see Section 6 2 Other Circuits Button Clicking the left mouse button on the Other Circuits button brings up a dialog box where Circuit Status screens for oth er circuits may be accessed Clicking the right mouse button on the Other Circuits but ton brings up the Individual Circuits Menu see Section 6 2 6 2 2 Circuit Summary Button Clicking the left mouse button on the Circuit Summary but ton brings up the Circuit Summary screen Clicking the right mouse button on the Circuit Summary button brings up the Individual Circuits Menu see Section 6 2 Unit Summary Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu Case Control Circuits Status Circuit 1 20 DRS FF Status Refr ixture Overview
131. nimum Off Time Minimum On Delay Minimum Off Delay One Shot One Shot Timer Type One Shot Output Pulse Width 00 00 1 1 00 00 1 0 00 00 00 Cancel Send To m ler necessary z up iw q Off One Shot and Proof cells are in the Setpoints dialog box 64 Digital Output Setpoints that appears users may specify the bypass value and choose either fixed or timed as the override type Existing bypasses may also be terminated by selecting the Normal option in the Bypass dialog box Analog Inputs Analog Outputs and Digital Out puts Buttons The Other Analog Inputs Analog Outputs and Digital Outputs buttons at the bottom of the screen if left clicked bring up dialog boxes where status screens for other mod ules may be selected Right clicking any of these buttons brings up menus where users may view summary screens add new modules view module alarms or print out set points Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 15 The Unit Level Menu The Minimum On Off cell defined in this dialog box as sures that the digital Output defined in Section 9 5 Digi tal Output Module Outputs remains ON a
132. ns On During Defrost box Leave the box blank to shut off all condenser fans during defrost Demand Defrost Enable Yes No No When the Demand Defrost feature is activated the RMCC will only activate defrost when a contact closure is received from the installed Demand Defrost sensors or when the sys tem reaches the demand fail safe time For more informa tion about this feature consult the Software Overview section of the RMCC manual Master Liquid Line Solenoid options None All hot gas circuits contain a master liquid line solenoid When using a refrigeration system other than the Hus smann PROTOCOL system there will be a single master liquid line solenoid for all groups controlled by the RMCC enter Master in the Liq Line Solenoid field When using a Hussmann PROTOCOL system the group supplying the circuit will have its own master liquid line solenoid enter the number of the suction group within which the solenoid is located 026 1005 Rev 1 06 09 97 If the selected circuit is not a hot gas circuit this option will be unavailable Case Lights Strate Lighting control within a case control circuit is determined by the Case Lights Strategy Users may choose from the following Case Lights Strategies options On e On lights in the case are always on e Off lights in the case are always off e Schedule lights in the case cycle on and off ac cording to the selected schedule If a schedule was previou
133. nts are used as PID set points whenever the RMCC receives a set point value it cannot use such as OPEN SHORT or NONE To define fallback set points for the Occupied and Unoccu pied Setpoint inputs enter a value in the Fallback Setpoints fields If no fallback set points are desired select NONE from the scroll options 026 1005 Rev 1 06 09 97 Output When In Failure 0 100 0 When the PID Control cell does not receive both a usable control value from the Control In input and a usable set point from the Select and Float cells the PID Control cell can not yield an output When this condition occurs the module is said to be in failure When the Analog Output Module is in failure the percent age entered in the Output When In Failure field will be used as the output from the PID Control cell Float In Low 999 999 0 0 The Float In Low field 1s the low end of the set point float range When the Float input 1s equal to this value one half of the value in the Output Range field will be subtracted from the PID set point See P N 026 1102 RMCC Installa tion and Operation Manual Section 3 7 2 3 Analog Out put Module for more information about float operation Float In High 999 999 0 0 The Float In High field is the high end of the set point float range When the Float input is equal to this value one half of the value in the Output Range field will be added to the PID set point See P
134. oards Menu 27 CCB Status Screens 9 1 AS ay 100 0 Ligita mn pr OS B a ee e En played in a CCB Status Screen The evaporator diagram shows the real time operational status of the case fans The gauges and fields around the evaporator display sensor readings set points and status information pertinent to CCB operation and control such as valve opening percentage coil in out temperatures su perheat set points and case temperature A description of the fields that may be displayed in the CCB Status Screen is listed below Some values will only apply to a particular kind of CCB liquid pulse liquid step per or suction stepper e Status whether the case refrigeration is On or Off Setpoint the case temperature set point Valve the opening percentage of the EEV Discharge Air liquid pulse stepper only the tem perature of the discharge air Coil In liquid pulse stepper only the coil inlet temperature Coil Out liquid pulse stepper only the coil outlet temperature Superheat liquid pulse stepper only the coil inlet temperature minus the coil outlet temperature Case Temp the current case temperature shown in both the gauge and the field below the gauge Fans whether the case fans are On or Off 28 CCB Status Screens Return Air liquid pulse stepper only the tempera ture of the return air ASW the percentage at which the anti sweat heat ers are opera
135. of 819 points each e 2 256 logs of 682 points each Clicking a check in the Use Hourly Log box activates the RMCC Demand Control Hourly Log Deselecting this box disables the hourly log and adds points to other logs gener ated within the RMCC The Log Space Used display shows how much of the RM CC s log space is currently being used with 100 being the maximum Device Setup Menu 7 1 9 Alarm Setup larm Setup Hotice hd Send Notices to 485 Alarm Panel Disable Alarm Reset by 485 Alarm Panel Power Fail Alarm Type Send Notice on Defrost Timeout Additional Delay after Defrost jo min meee Alarm Output d Send To e information in the Alarm Setup dialog box determines how the RMCC notifies users of an alarm situation Power Fail Alarm Type options Notice The RMCC will write a notification to the Alarm Log whenever there is a power failure within the system Users can choose either of two different forms the power failure notification will take e Notice the RMCC will warn users of abnormal fa cility or control system conditions by writing an en try in the RMCC alarm log e Alarm the RMCC will write an entry in the RMCC alarm log which may be accompanied by a contact closure for on site operation of a bell light horn or other alarm device An alarm may also initiate a di alout sequence and or activate a 485 Alarm Panel Send Notices to 485 Alarm Panel Yes No No
136. on Command Digital Generated by the Cut In Cut Out cell based on comparison between combined value and cut in cut out set points Digital ON Limiter cell is enabled OFF Limiter cell is disabled Analog Combined value of Input Values 1 4 after limiting and filtering Number of Command output ON transitions since the last reset Count Tripped Digital Turns ON when the Count output value exceeds the Count Trip set point Alarm Digital When Analog Input Value output exceeds the Alarm set point limits the Alarm output turns ON Notice Digital When Analog Input Value output exceeds the Notice set point limits the Notice output turns ON Functional Description AVCombiner Combines Input Values 1 4 using either a primary or alternate combination strategy Keeps the combined value from the AVCombiner within a set of user defined high low limits Limits the rate of change over time for the combined value determined by the AVCombiner Process Alarm Turns ON the Alarm or Notice outputs if the Analog Input Value output falls outside the user defined alarm or notice set point range Cut In Cut Out Changes the Command output state when the Analog Input Value output falls outside the user defined cut in cut out set point ranges Overrides the Command output to a user defined value for a user defined amount of time Counter Increments the Count output when the Command output transitions ON Turns on the Count Tripped ou
137. ons output value exceeds the Count Trip set point Reset Count Digital Sends signal to Counter cell to reset the count Signal Proof Output Digital Generated by the Proof cell type must be defined in when the Proof input and the UltraSite Command Output do not ee match ON proof failed Occupied Digital Occupancy state 2 OFF proof OK ON or NONE Occupied OFF Unoccupied Alt Schedule Digital When ON the alternate schedule combination strategy will be used When OFF or NONE the primary will be used Digital Proof contact from the device being driven by the Command Output Cell Name Functional Description DVCombiner Combines Input Values 1 4 using either a primary or alternate combination strategy Schedif Combines the value from the DVCombiner with the Occupied input using either a primary or alternate combination strategy Min On Off Keeps the Command Output ON and OFF for a minimum amount of time One Shot Converts the combined input value from a logical signal to a momentary on or momentary off digital pulse Overrides the Command Output to a user defined value for a user defined amount of time Counter Increments the Count output when the Command output transitions ON Turns on the Count Tripped output when the Count output exceeds the Count Trip set point Select Selects either the logical Command Output signal from the Min On Off cell or the pulse Command Output signal from the One Shot cell for use in pr
138. oof comparisons Proof Compares the Command Output to the Proof Input and turns on the Proof Output when a proof failure 1s detected 100 026 1005 Rev 1 06 09 97 Digital Output Module TPR i aaa DVCombiner Soy E In 3 A in 4 Alt Combiner SON Use Alt Comb comb ype Invert Output Suspend Count Reset Count oa Schedif Occupied Logic In Sched In Out Alt Schedule Use Alt Sch Comb Type _ Alt Comb Invert Output Min On Off In Out i Min On Off Times Proof Input Min On Off Delays Dv UltraSite User s Guide RMCC Supplement One Shot Override Trigger Out In Out Command on off normal Type timed fixed OV time Pulse Width Timer Counter In Count Suspend Trip Reset Initial Count___ Trip SP Reset Type Counter Increment Select Proof Int Out a gt Desired Fail In2 Actual Delay Latch Time Appendix B I O Module Quick Reference 101 Command Output Count e Count Tripped Da Proof Output 26512021 Analog Output Module Input Type Description Occ SP Analog Input that will be used as the occupied set point Unoc SP Analog Input that will be used as the unoccupied set point Occupied Digital Used by the Select cell to determine which s
139. or or it may be cleared Addi tional stages should be defined as conventional compres sors unloaders or they may also be cleared Run Time The Run Time field displays the total hours of operation for the selected compressor stage This number may be cleared by entering 0 in the Run Time field Oil Sensor options None An oil monitoring sensor may be defined in the Oil Sensor field If the compressor is equipped with an oil sensor it may be defined as either a pressure transducer or as a relay which opens or closes when a low oil condition is detected A pressure transducer monitors the oil pressure and will terminate compressor stages when the calculated oil pres sure drops to the Low Oil set point defined in the Low Oil field Defining Open or Closed allows the RMCC to simply monitor the system for an open or closed relay to terminate the compressor stage If the compressor is not equipped with an oil sensor select None in the Oil Sensor field 026 1005 Rev 1 06 09 97 Transducer Offset 99 99 0 0 If the oil pressure transducer is known to read higher or lower than the actual pressure enter an offset value in the Transducer Offset field The value in the Transducer Offset field will be added to the measured pressure value Transducer Type Standard Eclipse Eclipse If the oil pressure transducer is an Eclipse brand transducer choose Eclipse from the scroll options If the transducer is a standard pressure
140. oring the temperature differential between the coil inlet and outlet sensors and comparing that value to the superheat set point O 9 4 Sensitivity 1s a value used by CCBs that determines how quickly the EEV reacts to superheat changes Users may enter a number in the Sensitivity field between O and 9 Choosing 0 will give the slowest reaction time and choosing 9 will give the fastest For a detailed descrip tion of the sensitivity value consult P N 026 1102 Refrig eration Monitor and Case Control Installation and Operation Manual Section 8 3 Valve Control 10 System Recovery mode occurs when the valve has been fully closed because either the temperature set point was satisfied or because of defrost To reactivate superheat con trol a recovery sequence is necessary since in both of these instances the coil is empty To refill the coil and re establish superheat the valve is opened a certain percent Sensitivit Recovery Percentage 0 100 UltraSite User s Guide RMCC Supplement own unique screens UltraSite automatically detects the type of valve from the CCB software and chooses the ap propriate dialog boxes Liquid Pulse Stepper CCB Set Points age for a fixed period of time See P N 026 1102 Refriger ation Monitor and Case Control Installation and Operation Manual Section 8 6 System Recovery Mode for more information Maximum Recovery Time 30 255 sec 70 sec The amount of ti
141. osed the RMCC will wait for a period of time equal to the Door Alarm De lay If the door switch does not close during this time an Open Door Alarm is generated The walk in cooler will then resume refrigeration Extra 1 Temp Extra 2 Temp Yes No Yes Checking the Extra 1 Temp box or the Extra 2 Temp box will cause the RMCC to generate an alarm if these sensors fail Calibrations of high or low reading sen sors may be entered in the Case Offsets dialog box At times a sensor may provide an output that reads lower or higher than the known condition being monitored An offset value may be entered at the Case Offsets screen to calibrate selected sensors to actual conditions To offset a sensor from the list given in the Case Offsets di alog box enter a value between 9 F and 9 F for all sensors except the Refrigerant Leak sensor which must be between 99 ppm and 99 ppm Case Control Boards Menu 33 5 7 Stepper Setup Stepper Setup Hysterisis Steps per Second Maximum Steps OF Cancel SendTo Stepper Defaults som a a ER E entered in the Stepper Setup dialog box Hysteresis 0 255 steps 0 steps The hysteresis value is the number of steps required for the valve to change direction When a stepper valve is closing and receives a command to open or when an opening valve receives a command to close the valve must continue to close or open for the nu
142. ost Times min 25 0 Fail Safe 45 Termination 48 0 Drain 5 Fan ASW DF 99 0 Demand Defrost Times hrs alam 0 fji 00 0 jo SECS Dual Temp Alarm Setpoint Shift 0 0 Temperatures Setpoint Fail Safe Discharge Return Weighting Case Pump Down Delay Send To m ME x q ue m a CCB circuits are defined in the Circuit Setpoints dialog box Temperatures Setpoint 99 997 259 The temperature entered in this field will be the control temperature the RMCC will attempt to maintain within the circuit Temperatures Termination O 1007 48 The Termination Temperature set point is the control tem perature the RMCC will use to determine when defrost mode should be terminated Fan ASW Off 50 99 999 When the temperature within the case exceeds a certain level the RMCC will turn off all heat producing loads in cluding the fans and the anti sweat heaters This tempera ture level is defined in the Fan ASW Off field Entering the 99 default value in the Fan ASW Off field disables this feature Defrost Times Fail Safe 0 999 min 45 min The Defrost Duration is the maximum amount of time the selected circuit should remain in defrost If no Termination 40 Circuit Setpoints frost for the full defrost time duration as specified in Section 6 4 1 Case Control Circuit Setpoints or Section 6 4 2 Standard Circuit Setpoints Case Control
143. p the termination temperature value equal to the Termination Temperature Set point defined in Section 6 4 2 Standard Circuit Setpoints The Termination Temperature has a dead band value equal to the Case Deadband defined in Section 6 4 2 Standard Circuit Setpoints The RMCC will shut off defrost heat when the case temperature ex ceeds the Termination Temperature plus one half the dead band and reactivate if the temperature falls below the Termination Temperature minus one half the dead band When the defrost duration is over the RMCC will prevent refrigerant from entering the coil for the du ration specified in the Drain Time field see Section 6 4 Circuit Setpoints The RMCC will then return to normal refrigeration operation Number of Termination Sensors 0 6 0 Enter the appropriate number of termination sensors in the Number of Termination Sensors field Termination Sensors Strate Avg Min Max Avg The termination sensor values may be combined into a sin gle control value using either of three strategies e Avg The control value is the average of all sensors 026 1005 Rev 1 06 09 97 e Max The control value is the highest of all sensor values e Min The control value is the lowest of all sensor values Full EPR Full Refrigeration in standard circuits is controlled based on one of two strategies There are two strategies to choose from Temp Strate e Full the circuit is controlled by t
144. plained in this supplement users will be referred to the appro priate section in the UltraSite User s Guide P N 026 1002 for more information on these options The example below describes the layout and use of the system navigation pages Section number and screen title Shows the default Circuit 1 MDIC 01c Temperatures Defrost Times min configuration of the dialog box Definition of the dialog box Provides an in depth explanation of the dialog box what data may be entered definition of the entry fields and instruction on navigation within the screen Setpoint 25 0 Fail Safe 45 Termination 48 Drain 5 Fan ASW Off 99 0 Demand Defrost Times hrs Fail Safe o Alarm fo Discharge Return Weighting 100 0 Case Pump Down Delay jo secs Dual Temp Alarm Setpoint Shift OK Z JO Send To Na Circuit Setpoints SE points used by the RMCC to control CB circuits are defined in the Circuit Setpoints dialog box Functional Description Temperatures Setpoint 99 99 25 The temperature entered in this field will be the control temperature the RMCC will attempt to maintain within the circuit To define the Control Temperature enter a value between 99 to 99 degrees in the Temperatures Setpoint field Temperatures Termination 0 100 48 The Termination Temperature sct point is the control temperature
145. points for each of the condenser fans Every time the pres sure or temperature rises past one of these set points a con denser fan will activate When the discharge value exceeds the Setpoint for First Fan added to the Throttle Range all condenser fans will be active For a full explanation of throttle range and how it is used in condenser control refer to P N 026 1102 RMCC Installa tion and Operation Manual Section 3 3 Condenser Con trol Before activating and deactivating fans in this manner the RMCC will wait an amount of time equal to the fans ON and OFF delays See Section 8 6 Fan Control for infor mation on how to set fan delays 56 Condenser Setpoints Shift During Reclaim 99 997 0 During reclaim it may be preferable to increase the pres sure or temperature set point so as to increase the tempera ture of the refrigerant in the system The Shift During Reclaim set point shifts the First Fan set point pressure or temperature by the number entered when a call for reclaim is received from an environmental control system Fast Recovery Starts when Press Temp exceeds 0 999 0 The Fast Recovery feature within the RMCC attempts to prevent the control pressure or temperature value from reaching the Trip Point defined at the Discharge Setpoints screen see Section 13 1 The set point entered in the Starts field is the control pressure or temperature at which the RMCC bypasses the normal fan operation
146. ptions Options Y Run Compressor During Reclaim Y Use Phase Protection on Compressors 4 Force Compressor On During Defrost Two Stage Setup jo jo Low Suction Group High Suction Group Send To ressure control setup information Is specified in the Pressure Control Options dialog box Run Compressor During Reclaim Yes No Yes When suction pressure within a group has been satisfied the RMCC will terminate all compressor stages To force one compressor on during reclaim check the Run Com pressor During Reclaim box 82 Pressure Control Options Use Phase Protection on Compressors Yes No No A contact closure from a phase loss monitor indicates the loss of a power phase within a compressor system This contact closure terminates all stages of compressors within the appropriate group and generates an alarm To activate this phase loss feature check the Use Phase Protection on Compressors box Force Compressor On During Defrost Yes No No When suction pressure within a group has been satisfied the RMCC will terminate all compressor stages To force one compressor on during hot gas defrost check the Force Compressor On During Defrost box Low High Suction Group Group 0 0 When a two stage rack is to be controlled the user must specify which pressure suction group is high and which is low This choice will ensure a high stage compressor is run ning when a low stage co
147. r each case is defined in the Anti Sweat High Limit and Anti Sweat Low Limit fields If the calcu lated humidity exceeds the defined Anti Sweat High limit the anti sweat heater will remain on at all times If the cal culated humidity drops below the defined Anti Sweat Low limit the anti sweat heater will remain off at all times Be tween these set points the anti sweat heaters will cycle in a six second window according to the calculated humidity level Frost Sensor Yes No No If the case has demand defrost sensors installed put a check in this box Valve Multiplier 25 100 100 The Valve Multiplier is a value that allows the capacity of the EEPR to be reduced The default setting is 100 and should only be adjusted in special applications where the valve appears to be oversized To adjust the valve multiplier enter a value between 25 and 100 in the Valve Multiplier field Combine Type options Average Up to four temperature sensors may be used to monitor the temperature of the discharge air in an EEPR controlled evaporator The RMCC must be told how to combine these temperature sensor readings into a single temperature that may be used to control the case Select one of the strategies below e AVG the control value is the average of all dis charge temperature sensors e MIN the control value is the lowest of all discharge temperature sensors e MAX the control value is the highest of all dis
148. re 60 the Mix strat egy would take 60 of Input 1 and add it to 40 of Input 2 Likewise if the Combiner Mix Ratio were 25 the out put would be 25 of Input 1 and 75 of Input 2 Limiting Block Low Limit 999 to 999 or NONE NONE The Limiting Block Low Limit is the lowest limit of the combined value from the AVCombiner cell If the com bined input value is lower than this set point the Limiting cell blocks the value from being passed on to the rest of the 14 Setup Combiner Limiting Filter module and instead passes on the Limiting Block Low Limit set point value Limiting Block High Limit 999 to 999 or NONE NONE The Limiting Block High Limit is the highest limit of the combined value from the AVCombiner cell If the com bined input value is higher than this set point the Limiting cell blocks the value from being passed on to the rest of the module and instead passes on the Limiting Block High Limit set point value Filter Enable Yes No No The Filter Enable box enables the Filter cell If no filtering is desired uncheck this box if filtering is desired check this box Filter Factor 0 100 10 The Filter cell samples the combined input values at regular time intervals defined in Filter Period below This allows the Filter cell to compare newly sampled values to the pre viously sampled values and adjust the cell s output value accordingly The amount the Filter cell adjusts the cell out p
149. re entered in this field will be the control temperature the RMCC will attempt to maintain within a case Temperatures Deadband 0 999 29 The temperatures dead band is a temperature range equally above and below the Temperatures Setpoint that is consid ered to be an acceptable case temperature Temperatures Termination O 1007 48 The Termination Temperature set point is the control tem perature the RMCC will use to determine when defrost mode should be terminated Defrost Times Duration 0 999 min 45 min The Defrost Duration is the maximum amount of time the selected circuit should remain in defrost If no Termination Type is defined or if termination conditions are not met the circuit will remain in defrost until the defined Defrost Duration is complete UltraSite User s Guide RMCC Supplement Standard Circuit Setpoints put Alarm Limits dialog box see Section 6 6 Note that this setting does not change the temperature set point with in the case only the alarm set point Dual temperature case settings must be changed at the case Defrost Times Drain O 999 sec 5 sec Immediately following defrost an unacceptable amount of moisture may still be present on the evaporator coils When refrigeration begins this water may freeze and reduce sys tem performance To establish a drain time which is the duration after defrost the system sits idle before returning to refrigeration enter a value in t
150. red in the RMCC Alarm Log Night Phones The RMCC will dial out to different numbers during night hours if nighttime phone numbers are specified in the Night Phones fields and a time period is specified in the From To fields Include Saturday Sunday Yes No No Checking the Include Saturday or Include Sunday boxes enables dialouts on Saturdays and Sundays 1 7 Satellite Communications Setup Satellite Communications Setup Enable Satellite Mode Disconnect Message HO CARRIER Logging Setup Log Configuration 0 132 logs of 1365 points each hd l Use Hourly Log Log space used U amp SendTo The input and output logging intervals for the RMCC are defined in the Logging Configuration dialog box The RMCC periodically records data to the RMCC Logs according to the intervals defined in this dialog box Since there is limited space for logs within the RMCC the num UltraSite User s Guide RMCC Supplement Satellite communication is configured in this dialog box The RMCC has the ability to communicate via satellite To enable this feature click the Enable Satellite Mode box and enter the desired disconnect message in the Disconnect Message field ber of logging points is determined by the number of logs the RMCC is configured to generate Users may select one of the following strategies from the Log Configuration scroll options e 0 132 logs of 1365 points each e 1 220 logs
151. reen gives a complete real time view of the operating status of an Analog Input Module Data are presented in a cell diagram form that shows not only the module s inputs and outputs but also the values entering and leaving each cell within the mod ule For a complete explanation of each cell s function within the Analog Input Module refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 1 Ana log Input Module Other special operating characteristics are also displayed in the Analog Input Module Status Screen The AVComb cell shows the combination strategy currently being used If the module is in override the Override cell shows whether the module is being overridden ON or OFF whether the over ride is fixed or timed and if timed how many minutes and seconds are left in the override UltraSite User s Guide RMCC Supplement Programming I O Modules Programming I O modules may be done simply and quick ly from the status screen To make changes to any cell in put or output right click on the desired element A pop up menu will appear allowing the user to either change the settings in the selected cell input or output or change set tings in other cells inputs or outputs within the same mod ule The setup dialog boxes selected in this manner are described in more detail in the sections below Double clicking the left mouse button on any of the hotspots on this screen brings up the Analog Inp
152. rent reading of the Checkit sensor in degrees Condenser pat Type of input Control Value Analog The control value being used by the condenser The source of this value is determined by the condenser s chosen Control Strategy as described in Section 8 3 Condenser Configuration If the control value is expressed in bars the value will be multiplied by 10 when pointed to Split Active Digital If the condenser is in split this value will be ON otherwise this value will be OFF Fast Recovery Active Digital If the condenser is in Fast Recovery mode this value will be ON otherwise this value will be OFF 94 Appendix A RMCC I O Module Input Sources 026 1005 Rev 1 06 09 97 impar tve of input Fast Recovery Value If the condenser is an evaporative condenser different control values for condenser fan control and fast recovery control may be used See Fast Recovery Value in Section 11 3 1 Condenser Setup in P N 026 1102 RMCC Installation amp Operation Manual If this value is expressed in bars this value will be multiplied by ten when pointed to VS Alarm The state of the variable speed condenser s Inverter Alarm Input Inv Bypass The state of the variable speed condenser s Inverter Bypass output The state of the variable speed condenser s Inverter VS Percentage Analog 0 100 The percentage of capacity at which the variable speed condenser fan is Operating VS RPM The rpm at which the variable
153. rently being used 7 M Modem change baud rate to 7 COM port settings 6 day night phone numbers 7 dial out delay 6 reset at midnight 6 setup string 6 O Offsets CCBs 33 discharge pressure transducer 5 sensors 78 suction pressure transducer 89 Output Definitions Index 107 case control circuits 49 fan inverter bypass 61 fan inverter reset 61 inverter reset 89 standard circuits 49 two speed fan contactor 61 two speed fan relays 61 variable speed alarm 89 variable speed fan relay 61 P Power Monitoring demand set point 72 kW Transducer 72 setup 72 R Refrigeration Monitor and Case Con trol See RMCCs RMCCs naming a device 2 recording logs 2 unit numbers 6 S Satellite Communication 7 Schedules holiday overrides 3 Schedules Lighting See Lighting Schedules Self Test See RMCC self test setup Sensors alarm overrides 74 78 79 alarm set points 77 log interval 78 manual overrides 79 offsets 78 output control strategies 76 scheduled overrides 73 set points 76 cut off delay 76 cut off set point 76 cut on delay 76 cut on set point 76 minimum time on 76 setup 77 78 defining board and point address es 78 defining gain 78 defining type 77 defining units 78 refrigerant type 78 shutoff schedule 78 shutoff schedules 73 Setup Instance CCBs 34 108 Index circuits 50 condenser 62 Digital Output Module 68 sensors 79 suction groups 84 Standard Circuits See Circuits Stan dard Sta
154. ription of all these cells is given in Section 3 7 2 1 Analog Input Module UltraSite User s Guide RMCC Supplement Name 15 Characters max AV INPUT If desired a name may be entered for the Analog Input Module The default name is AV INPUT where is the input module s number Enabled Yes No No When the Enabled box is checked the Analog Input Mod ule functions normally When the Enabled box is un checked all outputs of the Analog Input Module default to NONE regardless of the values of the module s inputs Combiner Mode Combiner Alternate Mode op tions First The input combination strategies used by the Analog Input Module are defined in the Combiner Mode and Combiner Alternate Mode fields The Alt Combiner input defined in Section 2 5 deter mines whether the normal or the alternate mode will be used When the Alt Combiner input is ON the strategy de fined in the Combiner Alternate Mode field will be used When this input is OFF the Combiner Mode strategy will be used The combination strategies that may be defined are listed below Note in the equations below that IV1 IV2 IV3 and IV4 refer to Input Values 1 4 as defined in Section 2 5 Analog Inputs Input Setup e Average average of all four inputs 1V1 IV2 IV3 IV4 4 e Minimum lowest value of all four inputs e Maximum highest value of all four inputs e First the first input value that is not NONE Analog Inp
155. rmal operation 13 7 4 Suction Group Setup x Group 1 H of Compressors DS o Options Suction Group Setup Inputs Strategy Suction Pressure Suction Temperature o o Y5 Inverter Alarm Controlled by Pressure l One Compressor Always On Float Delay Time fi 0 min Suction Pressure 5 fo ojo Defrost Inhibit Ed Ft Transducer fo jo Offset 0 0 Inverter Reset jo jo Brand Cancel Send To pn a MENA groups are defined in the Suction Group Setup dialog box Group Name of Compressors 1 16 The RMCC can support up to four suction groups each containing up to 16 compressors when using standard con trol When using the Fixed Step Strategy activated in the Strategy field up to 10 compressors may be assigned to a suction group Each group may contain up to 16 compres sors However no more than 22 compressors may be con trolled by a single RMCC To establish a suction pressure group enter the desired name in the Name field Each pressure group name may be 88 Individual Suction Groups To enable this feature put a check in the Oil Automatic Re set box Suction Pump Down Alarm Types Alarm Notice Alarm Suction and pump down alarm conditions may be config ured to generate different types of warnings Selecting the Alarm button for the Suction or Pump Down field will gen erate a high level alarm which writes an entry in the alarm
156. rom entering the coil for the du 44 Circuit Setup ration specified in the Drain Time field see Section 6 4 Circuit Setpoints The RMCC will then return to normal refrigeration operation Temperature Control Strategy Discharge Mixed Discharge The strategy used to calculate the Control Temperature from the discharge and return air sensors is entered in the Temperature Control Strategy field Users may choose from the following strategies e Discharge Air the RMCC will use the discharge air sensor as the Control Temperature e Mixed Air the RMCC will use a mixture of the dis charge air and the return air to control the circuit temperature Percentages are defined in Section 6 8 1 Valve Control Strategy Temp Temp TXV Temp Temp The strategy used to control refrigerant flow is defined in the Valve Control Strategy field Users may choose from the following strategies e Temp Temp the refrigerant flow is being metered by an EEV controlled by superheat coil inlet tem perature coil outlet temperature When refrigera tion is called for the EEV opens to a percentage determined by the control algorithm e TXV the refrigerant flow is being controlled by a thermostatic expansion valve TXV During refrig eration a TXV maintains a steady flow of refriger ant to the evaporator Fans On During Defrost Yes No No To continue normal operation of condenser fans during de frost put a check in the Fa
157. rse Air e Timed Defrost Termination options Stat The strategy used by the RMCC to terminate defrost within the selected case control circuit is defined in the Defrost Termination field Users may choose from the following strategies e Stat the RMCC will terminate defrost when it de tects a change of state from a dry contact 46 Circuit Setup e Temp the RMCC will terminate defrost when the termination temperature value reaches the Termina tion Temperature set point This set point is defined at the Circuit Setpoints screen see Section 6 2 e None the RMCC will terminate defrost when de frost has occurred for the defined Defrost Duration This duration is defined at the Circuit Setpoints screen see Section 6 2 Defrost Termination Type Normal Pulsed Nor mal The defrost termination type determines the status of the system after defrost is terminated Users may choose from the following strategies e Normal The RMCC will prevent refrigerant from entering the coil for the duration specified in the Drain Time field see Section 6 4 Circuit Set points The RMCC will then return to normal re frigeration operation Pulsed the circuit will remain in defrost mode for the defined Defrost Duration If during this time a termination is called for by either the Stat Inl Dsch Out or Rtrn Termination strategies the RMCC will remain in defrost and pulse the defrost heat on and off in an effort to kee
158. s Choosing Odd disables all fans connected to odd numbered relays on the 8RO Choosing 8 6 2 Two Speed Condenser Setup Ed Condenser Relays active at speed Try Other Speed on Proof Failure Inputs Delays Bd Pt off Proof 0 0 Low Relay 1 y Low to High Delay o secs High Relay 2 y High to Low Delay 30 secs Outputs Bd Pt Initial Speed Fan Speed HP Relay 1 jo fo fo fo Start Low x Low Speed 50 HP Relay 2 For 0 secs HighSpeed 100 HP Contactor fo fo mm ME ine ARE a o speed condenser control are specified in this dialog box Relays Active at Speed The Relays Active at Speed fields are the relays that are ac tivated when the RMCC calls for a two speed condenser to be off low speed and high speed For each of these set tings users may choose to have no relays on relay 1 on re lay 2 on or both relays 1 and 2 on The defaults are shown below e Off None e Low Relay 1 ON e High Relay 2 ON Specify the board and point addresses for relays 1 and 2 in the Outputs fields see below 60 Fan Control Even disables all fans connected to even numbered relays Choosing 1st Half disables the fans connected to relays one through four Choosing 2nd Half disables the fans connect ed to relays five through eight Choosing None leaves all fans operational on a call for a condenser split If None is chosen be sure to identify an output relay to con trol operation of a condenser split val
159. s complete or until the suc tion pressure rises above the suction pressure set point When a stage is activated or deactivated the RMCC will wait the defined ON or OFF delay defined for compressors and unloaders in Section 13 7 2 Suction Group Setpoints before activating or deactivating the stage To define the number of stages enter the desired number in the Number of Stages field To insert a step into the existing strategy click the Insert Step button A dialog box will appear prompting for a step number Typing a number will insert a blank step at the specified number To delete a step in the strategy click the Delete Step button A dialog box will appear prompting for a step number Typing a number will delete the specified step The HP for each defined cycle is automatically calculated by the RMCC and displayed in the HP field Constants used by the RMCC s PID con trol algorithm are defined in the PID Set tings dialog box There are three modes of control used in PID control pro portional integral and derivative Each of these control methods requires a constant that may be defined in the PID Settings dialog box For a complete definition of PID con trol see P N 026 1102 RMCC Installation and Operation Manual Section 3 2 Pressure Control Contact CPC before changing any of these values 026 1005 Rev 1 06 09 97 13 7 8 Advanced PID Options Advanced PID Parameters x Group 1 Advanced PID options are
160. s menu are shown in Section 13 7 2 through Section 13 7 6 Discharge The current discharge pressure and temperature are shown in the discharge gauges and the Discharge fields The dis charge set point is displayed in both the Setpoint field and as a green dot in the pressure gauge In the fields below the discharge gauges the operational status of the phase loss suction setup and subcooler inputs are shown as either On or Off Double clicking the left mouse button on any of the gauges or fields in the box labelled DISCHARGE in the figure above except on the Discharge Setpoint field will activate the Suction Group Summary screen Refer to P N 026 1002 UltraSite User s Guide for information on how to navigate summary screens Double clicking on the Discharge Setpoint field will call up the Condenser Status screen see Section 8 1 Clicking the right mouse button on any of the gauges or fields in this area except on the Discharge Setpoint field will bring up the Suction Group Main Menu see Section 13 Suction Groups 85 Right clicking the Setpoint field will bring up a menu of condenser configuration options identical to the menu called up by right clicking Condenser at the system tree The dialog boxes accessible in this menu are shown in Sec tion Compressors The operational status of the compressors as well as the runtime horsepower oil pressure and proof status is shown in the compressor
161. s the Additional Delay after Defrost immedi ately after the Drain Time is complete See Section 6 4 Circuit Setpoints for a definition of Drain Time Alarm Output An alarm device such as a horn bell or 485 Alarm Panel may be set up to notify users of an alarm situation Enter the board and point address of this device in the Alarm Output Bd Pt fields 026 1005 Rev 1 06 09 97 1 10 I O Boards 170 Boards x R HCC 1 REFRIG MONITOR amp CONTROL Set number of 1 0 boards gro fo spo fo mar fo so fo m lr a En a E The number of 8RO 8DO 16Al and 4AO boards in the RS485 Network is defined in the I O Boards dialog box UltraSite User s Guide RMCC Supplement Each RMCC can support up to sixteen 8RO boards sixteen 16AI boards three 4AO boards and two 8DO boards To define the number of boards connected to the network en ter the number of boards in the corresponding fields in the I O Boards dialog box Defining these numbers allows the RMCC to calculate the number of boards within the sys tem By default this screen displays the current number of boards defined When setting up an 8IO in this screen count the SIO as one 16AI one 8RO and one 4AO board If the SIO s analog output functionality is not being used and the 4AO slot is needed elsewhere on the I O network users may remove the 8IO s functionality to free a 4AO slot To achieve this disable the 8IO s
162. se is calling for demand defrost OFF if not Fan The state of the case fan UltraSite User s Guide RMCC Supplement Appendix A RMCC I O Module Input Sources 95 input tve of input The sate ofthe case Tes Anti Sweat Tmput Type of input Analog 0 100 The anti sweat humidity sensor value Circuits options NONE Impares of Input Status Analog This analog value varies from O to 3 depending upon the status of the refrigeration circuit The values are as follows 0 Refrigeration Mode 2 Drip Drain Time Mode 1 Defrost Mode 3 Wash Mode Refrigeration Digital If the case is in refrigeration this value will be ON if not the value will be OFF If the case is in defrost this value will be ON if not the value will be OFF Current Temp Analog The temperature control value used in circuit control which is a combination of up to six case temperature sensors see Section 6 4 2 Standard Circuit Setpoints Temp Termination Analog The termination temperature value used in terminating defrost which 1s a combination of up to six sensors see Section 6 4 2 Standard Circuit Setpoints Case 1 Temp Case 6 Individual temp sensor values for sensors 1 through 6 emp T Case 1 Temp Term Case Analog Individual temp sensor values for termination sensors 1 through 6 6 Temp Term Digital The state of the circuit s Clean switch CLEANSW input Analog 0 100 The store s humidity sensor Dual Te
163. set up at the Circuit Setup screen Circuit Name The Circuit Name is a user defined or default identifier for the selected circuit To define or change the Circuit Name enter a unique identifier in the Circuit Name field The Cir cuit Name may be up to 15 characters Defrost Type options Electric The defrost type for the selected circuit is defined in the Defrost Type field and should be defined according to the case type Users may choose from the following defrost types e Hot Gas e Electric e Reverse Air e Timed Circuits 43 Defrost Termination options Stat The strategy used by the RMCC to terminate defrost within the selected case control circuit is defined in the Defrost Termination field Users may choose from the following strategies e Stat the RMCC will terminate defrost when it de tects a change of state from a dry contact Inl the RMCC will terminate defrost when the Coil Inlet Sensor temperature reading exceeds the de fined Termination Temperature set point This set point is defined at the Circuit Setpoints screen see Section 6 2 e Dsch the RMCC will terminate defrost when the Discharge Air Sensor temperature reading exceeds the defined Termination Temperature set point This set point is defined at the Circuit Setpoints screen Out the RMCC will terminate defrost when the Coil Outlet Sensor temperature reading exceeds the defined Termination Temperature set point This set
164. sing Temperature Temp Diff only 0 999 5 0 This field appears at the bottom of the Condenser Set Points screen only if the Temperature Differential strategy is specified in the Condenser Configuration screen see 026 1005 Rev 1 06 09 97 Section 8 3 The Minimum TD Setpoint is the lowest possible value of the control set point If the ambient temperature plus the set point entered in the Setpoint field above falls below the Minimum TD Setpoint the RMCC will use the Minimum TD Setpoint as the control set point 8 3 Condenser Configuration Condenser Configuration EI Condenser Strategy Air Cooled ki Fan Type Single Speed Users may choose the control strategy and the condenser fan type in this dialog box Strategy The method of determining the control value used by the condenser s PID control algorithm is specified in the Control Strategy field There are three strategies to choose 8 4 Condenser Setup Condenser pe Inputs f Temperature Bd Pt Inlet Disch Pressure o o Disch Temp fo jo Ambient el Shutdown when Proof fails A Reclaim Proof Clearing gt Delays secs Proof Fail 5 Proof Clear jo C Attempt to 0 times Inlet Pressure C No Limit Outlet Pressure Inlet Temp k kkk kk AAA Minimum Times mins Minimum On Time O Outlet Temp Minimum Off Time jo The configuration of the con
165. sly created in the RMCC the appropriate schedule number will appear in the scroll options See Section 10 Lighting Schedules Menu for more information about schedules Shut Down if Suction Group Fails Group None The RMCC s Shut Down if Suction Group Fails option will close all Electronic Expansion Valves in the event all com pressors within a specified suction group have failed If a proof fail is received for all compressors in a group along with a suction pressure reading above the high suction pres sure set point all case controllers associated with the group are put into wait mode Also in the event of a phase loss or a pressure reading above the discharge pressure trip point all case controllers associated with all defined suction groups are put into wait mode When the failure condition has been corrected the RMCC will stage the EEVs back on by bringing the first 16 on right away and 16 every minute until all EEVs are back on and functioning To activate the Shut Down if Suction Group Fails option choose the appropriate suction group number in the Shut Down if Suction Group Fails scroll options Choosing None deactivates the option Anti Sweat Control Yes No No Anti sweat control within the RMCC is performed by anti sweat heaters within the case To activate anti sweat heat ers put a check in this box Cleaning Override Switch options None Certain RMCC functions are overridden ON or OFF when
166. speed condenser fan is operating Ambient Temp The ambient temperature sensor value Discharge Pressure Analog The discharge pressure transducer value If this pressure is expressed in bars the value will be multiplied by 10 when pointed to Discharge Temp The discharge temp sensor value Reclaim Active Digital The state of the Reclaim Stat input ON when the system is in reclaim OFF when the system is not in reclaim PID Output Analog 0 100 The current PID output percentage for the condenser Current Setpoint Analog The calculated condenser setpoint For air cooled and evaporative condenser strategies this will be the Setpoint value entered in Section 8 2 Condenser Setpoints For temperature differential condenser strategies this will be the Setpoint value plus the value of the ambient temperature sensor Case Control options NONE mpn type oftnput O Description OOO Valve 2 Percentage Analog 0 100 The percentage at which the second valve on a pulse CCB is open if a second valve is being used Coil In 1 Temp The temperature of coil inlet sensor 1 Coil In 2 Temp Analog The temperature of coil inlet sensor 2 of a pulse CCB if a second evaporator is being controlled Coil Out 1 Temp The temperature of coil outlet sensor 1 Coil Out 2 Temp The temperature of coil inlet sensor 2 of a pulse CCB if a second evaporator 1s being controlled Frost Digital The state of the demand defrost sensors ON if the ca
167. system fault occurs within the IRLDS To enable the Fault Alarm check the Fault Alarm box Names locations and other sensor con figuration data are entered in the Sensor Setup dialog box Sensor Type options Tem The Sensor Type is the specific kind of sensor to be read by the RMCC The sensor type should be defined according to the physical input connected to the 16AI board To assign a type to a specific sensor choose the appropriate type from the Type scroll options There are 12 types available e Temp Temperature Sensor Sensors Main Menu 77 e 100 lb 100 pound Pressure Transducer e 200 Ib 200 pound Pressure Transducer e 500 Ib 500 pound Pressure Transducer e Refrigerant Leak Refrigerant Leak Detector e Liquid Level Liquid Level Transducer e Relative Humidity Humidity Sensor e Digital Non voltage Digital Sensor e Linear Generic Sensor e KW Watt hour Transducer e Dewpoint Dewpoint Sensor e Margo 6450 Temp Margaux Temperature Sensor e IRLDS CPC s Infrared Leak Detector e Temperature to Pressure A temperature sensor in put the RMCC automatically converts into a pres sure value based upon the defined refrigerant type e 100 lb to Temperature A 100 lb transducer input the RMCC automatically converts into a tempera ture value based upon the defined refrigerant type e 200 lb to Temperature A 200 lb transducer input the RMCC automatically converts into a tempera ture val
168. t put a check in the Fans On During Defrost box If the box is left empty condenser fans will deactivate during de frost Master Liquid Line Solenoid options None All hot gas circuits contain a master liquid line solenoid When using a refrigeration system other than the Hus smann PROTOCOL system there will be a single master liquid line solenoid for all groups controlled by the RMCC choose Master from the scroll options When using a Hus UltraSite User s Guide RMCC Supplement smann PROTOCOL system the group supplying the cir cuit will have its own master liquid line solenoid choose the suction group within which the solenoid is located from the scroll options If the selected circuit is not a hot gas circuit choose None from the Master Liq Line Solenoid scroll options Cleaning Override Switch options None Certain RMCC functions are overridden ON or OFF when the RMCC receives a contact closure from the cleaning switch input defined in Section 6 9 Circuit Inputs Setup Users may choose from the following switch types e Clean Case Control Circuits are overridden OFF closing the refrigeration valve the fans and the lights when the RMCC receives a contact closure from a Clean Switch input e Door All lights within a walk in cooler are overrid den ON and all refrigeration and fan operations are overridden OFF when the RMCC receives a contact closure from a Door Switch e Door Curtain All lights
169. t event Alarm Control within the RMCC includes the generation of alarms or notices when specific control values exceed high and low alarm set points When the current input sensor reading exceeds the user defined high and low alarm set points an alarm or notice will be generated A notice is a low level warning that creates an entry in the RMCC Alarm Log and initiates no other signal An alarm is a high level warning that will appear in the RMCC Alarm Log and may be accompanied by a contact closure for operation of a bell light horn etc An alarm may also initiate an alarm dialout sequence and or the activation of a 485 Alarm Pan el Sensor alarm set points are defined at the Alarm Setpoints screen This screen will display only those sensors defined at the Circuit Setup screens Alarm delays are also defined at this screen When the RMCC generates an alarm or a no tice it must wait the specified time delay before activating the alarm sequence 026 1005 Rev 1 06 09 97 6 7 Circuit Type Circuit Type Circuit Type Standard gt Case Type O1 SDIC Initialize to Defaults OF Circuit types are specified in this dialog box Circuit Type Standard CCB CCB If the circuit selected is a case control circuit CCB will need to be specified in this field Otherwise use Stan dard 6 8 Circuit Setup 6 8 1 Case Control Circuits Circuit 1 SDFJ 01c Defrost Type Electric gt Defrost
170. tages 22 min max in 22 Setpoint Float 18 float in low high 19 float output range 19 inputs Float 19 setup 21 Sequencer interstage delays 22 set points fallback 18 filter factor 19 filter time period 19 float in low high 19 float output range 19 min max PWM analog value 20 output when in failure 19 PWM output time 20 Anti Sweat 45 case control high low limits 29 30 31 offsets 25 set points dewpoint all OFF all ON 25 dewpoint humidity offsets 25 percentage ON OFF 25 setup 26 input overrides 26 names 26 ON OFF interval 26 outputs 26 B Bypass Valve Percentage 32 C Case Control Boards See CCBs Case Control Circuits See Circuits Case Control CCBs assigning to circuits 31 logging intervals 32 set points anti sweat limits 29 30 31 bypass valve percentage 32 case dead band 29 close rate percentage 29 coil out fan lockout 30 combine strategy 31 derivative gain 30 31 hysterisis 34 leak alarm 32 leak alarm delay 32 33 leak alarm level 33 max recovery time 29 max steps 34 output filter 30 recovery percentage 29 sensitivity 29 30 steps per second 34 superheat 29 update rate 31 valve multiplier 29 31 Index 105 Setup Instance 34 stepper setup 34 defaults 34 Checkit Sensors disabling during hot gas defrost 83 disabling during reclaim 83 set points 83 Circuits Case Control bypassing inputs 39 defining case types 43 defining type 43 demand defrost enable 44 enabling anti sweat 45 in
171. tatus set up using the Individual Sensor Menu al Print Setpoint Log Inventory Setup Alarm Override Setup Instance A tere Y Page See P N 026 1002 UltraSite User s Guide Section 21 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set 16 2 points Log Inventory See P N 026 1002 UltraSite User s Guide Section 16 3 Retrieving Component Log Inventory Alarm Override Section 12 3 5 Sensor Alarm Override 74 Alarm Override Inputs 026 1005 Rev 1 06 09 97 12 3 1 Sensor Status Sensor 14 Type Pressure OO 35bar darian Control Walue Cutput Cut an Alarm Gemide 1 iut Linit Suarri ary a Real time information about sensor read ings and the status of sensor controlled outputs is shown in the Sensor Status Screen The selected sensor s current reading is shown in the gauge located in the middle of the status screen The appearance of this gauge depends on the type of sensor If the sensor is a pressure transducer the gauge will look like a pressure gauge if the sensor is a temperature or dewpoint sensor the gauge will look like a thermometer etc The fields shown at the bottom of the Sensor Status screen pertain to the controlled output and are defined as follows Controlled By The selected sensor s value may be combined with up to three other sensor values to yield a single control value The Controlled By field indicates the me
172. tered in the PID Setup dialog box The PID Control cell defined in this dialog box produces a 0 100 output based upon the Control In input s proxim ity to the PID set point Refer to Section 3 7 2 3 Analog Output Module for more information on the PID Control cell Bypass PID When the Bypass PID box is checked the PID Control cell passes the Control In value to the cell output without mod ifying it In other words the Control In value completely bypasses PID Control and goes directly to the Filter cell Proportional Gain 0 0 100 0 1 0 The Proportional Gain determines how much the PID out put must change in proportion to the difference between the 20 Analog Outputs PID Setup Control In and PID Setpoint values Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 1 PID Control Integral Gain 0 0 100 0 1 0 The Integral Gain affects the PID Control cell s ability to change the PID output based upon previous values of the PID output Refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 1 PID Control Derivative Gain 0 0 25 5 0 0 The Derivative Gain is a value used by the PID Control cell to adjust the PID output based on predictions of future er ror Refer to P N 026 1102 RMCC Installation and Oper ation Manual Section 3 1 PID Control Throttling Range 0 1 9999 6 0 The throttling range is an operating range established around the PI
173. the Cut In Delay or the Cut Out delay before the Command output can turn ON or OFF The delay is specified in hours minutes seconds format HH MM SS All fields necessary to set up the mod ule s Process Alarm cell are in this dialog box The Process Alarm cell which is defined in this dialog box reads the combined input value from the AVCombiner and Filter cells defined in Section 2 4 and generates digital signals on the Alarm and Notice outputs defined in Sec tion 2 6 Analog Inputs Output Setup based on the spec ified alarm and notice set points Two different sets of set points may be defined occupied and unoccupied The occupied set points are used when the Occupied input is ON or NONE The unoccupied set points are used when the Occupied input is OFF See Section 2 5 Analog Inputs Input Setup for information about how to define the Occupied input Alarms generated by the Process Alarm cell are also sent to the RMCC Alarm Log 026 1005 Rev 1 06 09 97 Low Limit Alarm Notice 999 999 NONE If the combined input value from the Filter cell is lower than the Low Limit Alarm set point the Alarm output will be ON If the input value 1s below the Low Limit Notice set point the Notice output will be ON High Limit Alarm Notice 999 999 NONE If the combined input value from the Filter cell is higher than the High Limit Alarm set point the Alarm output will be ON If the input value is above the High Li
174. the Log Inter val field The RMCC monitors the discharge air temperatures from each case within a circuit and periodically records the aver age The average for each defined circuit is displayed on the Circuit Summary screen The Logging Interval defines when the calculated average temperatures are recorded Enter the time in 24 hour format the RMCC should record the current sensor reading in the Logging Interval field Sensor Type Digital Linear Digital If the circuit has been configured with the default values for the type case within the circuit the appropriate sensor type for the selected input will be displayed in the Sensor Type Users may change the sensor type to either a temperature sensor or a digital sensor by choosing the appropriate type in from the Sensor Type options Offset At times a sensor may provide a reading that reads lower or higher than the known condition being monitored An offset value may be entered in the Offset field to calibrate the sensor to actual conditions 026 1005 Rev 1 06 09 97 6 10 Circuit Output Setup Circuit Dutput Setup Circuit Outputs Circuit 1 SOFJ O1c Circuit 1 SDIC 01 Refrigeration Location jo 3 jo Log Interval 00 00 00 The circuit refrigeration defrost and master liquid line solenoid outputs are configured in the Circuit Output dialog box This screen will display only those outputs defined at the Circuit Setup screens see Section 6 8 and onl
175. the RMCC will use to determine when defrost mode should be terminated To define the Termination Temperature enter a value between 0 and 99 degrees in the Temperatures Termination field Fan ASW Off 50 99 99 When the temperature within the case exceeds a certain level the RMCC will turn off all heat producing loads including the fans and the anti sweat heaters This temperature level is defined in the Fan ASW Of field To 50 and 99 degrees The 99 default value disables this feature Defrost Times Fail Safe 0 999 min 45 min The Defrost Duration is the maximum amount of time the selected circuit should remain in defrost If no activate the Fan ASW OIT Icalure enter a value between 3 4 1 Case Control Circuit Setpoints Termination Type is defined or ifiermination conditions are net mel the circuit will remain in defrost until the defined Defrost Duration is complete To define the Defrost Duration enter a value from 0 to 999 minutes in the Defrost Times Fail Safe field Defrost Times Drain 0 999 sec 5 sec After refrigeration begins this water may freeze and Subheadings show reduce system performance To establish a drain time which is the duration alter defrost the system sits idle before returning lo relrigeration enter a value between 0 and 999 seconds in the Defrost Times Drain field Demand Defrost Times Fail Safe 0 240 hrs 0 hrs The Demand Fail
176. the operating status of an Analog Output Module Data are presented in a cell diagram form that Bypass On Out PL shows not only the module s inputs and outputs but also ste the values entering and leaving each cell within the mod Other Analog Outputs I gt Analog Inputs i Digital Outputs Unit Summary O Summary 1996 CPC ule For a complete explanation of each cell s function within the Analog Output Module refer to P N 026 1102 RMCC Installation and Operation Manual Section 3 7 2 3 Ana UltraSite User s Guide RMCC Supplement Analog Output Modules 17 log Output Module Other special operating characteristics are also displayed in the Analog Output Module Status Screen If the module is in override the Override cell shows whether the module is being overridden ON or OFF whether the override is fixed or timed and if timed how many minutes and seconds are left in the override Programming I O Modules Programming I O modules may be done simply and quick ly from the status screen To make changes to any cell in put or output right click on the desired element A pop up menu will appear allowing the user to either change the settings in the selected cell input or output or change set tings in other cells inputs or outputs within the same mod ule The setup dialog boxes selected in this manner are described in more detail in the sections below Double clicking the left mo
177. thod used to com bine the sensor values Four sensor combination strategies may be used e Diff the control temperature is the difference be tween the selected sensor s value and another sensor value If the selected sensor alone is being used to control the output the field will also read Diff e Avg the control temperature is the average of all sensor values UltraSite User s Guide RMCC Supplement e Min the control temperature is the lowest value out of all sensors e Max the control temperature is the highest value out of all sensors The fields below the Controlled By field list the sensors be ing combined and their current readings Control Value This 1s the value calculated by the combination of the sen sors listed in the Controlled By field The Control Value is used to turn the controlled output on or off based on the Cut On and Cut Off set points Cut On Cut Off The Cut On and Cut Off set points may be defined in the Sensor Setpoints dialog box see Section 12 3 2 as specif ic numerical values OPEN or CLOSED The Cut On set point is the value at which the controlled output will turn on and the Cut Off set point is the value at which the con trolled output will turn off There is a one unit dead band around each set point Output Alarm Override The Output and Alarm Override fields display the status of the output either On or Off and whether the sensor is in alarm override mode
178. ting Lights whether the case lights are On or Off Coil In 2 Superheat 2 Coil Out 2 Valve 2 liquid pulse stepper only if applicable the coil in tem perature superheat temperature coil out tempera ture and valve opening percentage of the second coil and EEV Discharge 1 Discharge 4 suction stepper only the readings of discharge air temperature sensors one through four Extra Temp I Extra Temp 2 suction stepper only the readings of extra temp sensors one and two Double clicking the left mouse button on any of the gaug es diagrams or fields in this screen will call up the CCB Setpoints dialog box see Section 5 2 If the CCB name at the top of the screen is double clicked the Status Screen of the circuit to which the CCB is assigned will appear Clicking the right mouse button on any of the gauges dia grams or fields in this screen will call up the Individual CCB Menu see Section 5 Other CCBs Clicking the left mouse button on the Other CCBs button will call up a dialog box where status screens for other CCBs may be accessed Clicking the right mouse button on the Other CCBs button will call up the Individual CCB Menu see Section 5 Circuit Button Clicking the left mouse button on the Circuit button will call up the status screen for the circuit to which the CCB is assigned See Section 6 2 1 Standard Circuit Status Clicking the right mouse button on the Circuit button will bring up
179. ting Set points 10 1 Override Inputs Bd Pt Assignments Schedule Override Inputs neni ben a The input locations of the contacts that All Schedules On 0 fo override the lighting schedules are set up All Schedules Of 0 0 in this dialog box The All Schedules On and All Schedules Off contacts pro OK Send To vide a means of manually activating or deactivating light ing schedules within a case Enter the contact addresses in the appropriate fields UltraSite User s Guide RMCC Supplement Lighting Schedules Menu 69 10 2 Individual Schedules Menu NN Screen Map naiviqual scneauies are set up using me Setup Individual Schedules Menu options ae Print Setpoint o A tere Y Page See P N 026 1002 UltraSite User s Guide Section 21 Alarm View Print Setpoints See P N 026 1002 UltraSite User s Guide Section 16 2 Printing Set points 10 2 1 Schedule Setup Schedule Setup x A schedule is a grouping of times that designates when the Schedule 1 lights in the circuit cases will be ON or OFF Up to four ee A schedules may be defined for assignment to each circuit 1 00 00 foo 00 Ps PMT Owi Thi F sa Ovenide 0 fo To configure the schedule enter the ON and OFF light Ee eee times in the On and Off fields For each on and off se 3 al il eN e pi si me nie C gt Bd P quence designate the corresponding days of the week by 4 100 S H T wI Thi F Sa Dutput 0 0 5 00 00 00 00
180. tput when the Count output exceeds the Count Trip set point 98 026 1005 Rev 1 06 09 97 Analog Input Module Input Value AVCombiner Cut In Cut Out m In 1 Input Y n 2 Out Out In 3 Occup in 4 Occ Setpts Alt Combiner Unocc Setpts Use Alt Comb Override oe n Ou 0 on normal oe ee Limiting E Limiting E ct eee AY Analog Input Value ESOS Counter Suspend In Count Count Count a Suspend Count Tripped Reset Count Trip O Reset Initial Count Value Alarm Process Alarm Reset Type Alarm ount incremen YoY e etal hale onan Alarm es a ie Di Disable Notice Notice Notice Occup Occupied eee a UltraSite User s Guide RMCC Supplement 26512020 Appendix B I O Module Quick Reference 99 Digital Output Module Input Type Description Input Value 1 4 Digital Values that will be combined signal after combination by by the DVCombiner cell the DVCombiner and Schedif cells and alteration Alt Logic Digital When ON the alternate by the Min On Off and One combination strategy will be Shot cells used When OFF or NONE the primary will be used Number of Command output Wir ON the modulewil a ies since the last cease counting the Command Output s ON Turns ON when the Count transiti
181. trolled By field shows whether the pressure 1s being controlled by pressure or temperature and the Reclaim Status field shows whether the condenser is in reclaim mode On or in normal mode Off Double clicking the left mouse button on any of the gauges or fields in the box labelled Pressure Temperature in the figure above will call up the Condenser Setpoints dialog box see Section 8 2 Clicking the right mouse button on any of the gauges or fields in this area brings up a menu identical to the Con denser Menu see Section 8 Condenser Menu Condenser Fans The condenser diagram graphically shows which condens er fans are currently operational The on off status of the UltraSite User s Guide RMCC Supplement condenser fans is also listed in the fields below the dia gram Double clicking the left mouse button on one of the fans in the diagram or on one of the Fan fields will bring up a By pass dialog box By choosing one of the options in this di alog box users may bypass a condenser fan on bypass a condenser fan off or return a fan to normal operation Clicking the right mouse button on one of the fans in the di agram or on one of the Fan fields will bring up a menu iden tical to the Condenser Menu see Section 8 Condenser Menu Suction Groups Button Clicking the left mouse button on the Suction Groups but ton will call up a dialog box where status screens for suc tion groups may be accessed Cl
182. ts which contain all circuit related outputs To Cancel select a Circuit Output users must first select the desired circuit in the scroll options The outputs in the Alter Board dialog box are listed in the same order as the Output Definitions screens accessed from the RMCC front panel Refer to P N 026 1102 RMCC Installation and Operation Manual Section 7 9 2 Output Definitions for descriptions of these outputs Schedules options NONE pat Type of input The state of the selected lighting schedule either ON or OFF UltraSite User s Guide RMCC Supplement Appendix A RMCC I O Module Input Sources 97 Appendix B I O Module Quick Reference Analog Input Module Input Type Description Input Value 1 4 Analog Values that will be combined by the AVcombiner cell Alt Combiner Digital When ON the alternate combination strategy will be used When OFF or NONE the primary will be used Suspend Count Digital When ON the module will cease counting the Command output s ON transitions Reset Count Digital Sends signal to Counter cell to reset the count Signal type must be defined in UltraSite Alarm Disable Digital When ON the Process Alarm cell will not generate a signal from the Alarm output Digital When ON the Process Alarm cell will not generate a signal from the Notice output Occupancy state ON or NONE Occupied OFF Unoccupied B Cell Name Output Output Name Type Descripti
183. ture analyzes the number of amps drawn by each compressor within the circuit s suction group defined in Section 7 1 Compressor Setup compares it to the load that will be drawn by defrost and interlocks one or more compressors to shed enough load to compensate for de frost The RMCC assumes that power wiring is designed for a maximum load equal to all compressors running at the same time When defrost is initiated the defrost output is delayed for one minute During this time a compressor control algorithm determines how many amps are available to run the defrost output and interlocks one or more com pressors if required to make more current available for de frost Compressors bypasses take priority over load shedding if a compressor is bypassed ON it will not be deactivated by this feature Also if the One Compressor Always Remain On feature is enabled for the compressor group see Sec tion 13 7 4 Suction Group Setup one compressor will remain on even if the Advanced Defrost calls for all com pressors to be deactivated Circuits 49 Enter the circuit s compressor group or suction group num ber in the Host Compressor Group field or enter a zero to 6 11 2 Hot Gas Advanced Defrost Options Hot Gas Circuit 2 SOFF 02 n Y Use Advanced Defrost Options Host Compressor Group None Hot Gas Defrost Type Standard Compressor Start Delay 2 min Defrost Suction Setpoint fi Ea OF a a a
184. tus Screens Analog Input Module 11 Analog Output Module 17 18 Anti Sweat 24 25 Case Control Circuits 38 39 CCBs 28 Condenser 55 Digital Output Module 63 Power Monitoring 71 Sensors 75 Standard Circuits 37 38 Suction Group 83 86 Suction Groups alarm set points 87 alarm setup 87 88 high suction 87 low suction 87 pump down alarm type 88 suction alarm type 88 compressor phase protection 82 fixed steps setup 90 floating set points 86 delay time 88 89 lead circuit number 89 log interval 83 naming 88 PID control 90 91 pressure alarm setup 81 discharge alarm 81 running compressor during defrost 82 running compressor during reclaim 82 set points 86 87 compressor on off delays 86 dead band 86 external shift 87 floating interval 86 floating min max suction 87 pump down 87 suction 86 variable speed min max 87 variable speeed max increase de crease rate 87 setup 5 88 89 fixed step strategy 88 number of compressors 88 one compressor always on 88 specifying low high suction group 82 Superheat set point 29 T Transducer Discharge Pressure setup 5 Transducer Oil Pressure setup 5 Transducer Suction Pressure 89 Transducers Eclipse defining discharge as 5 U Units defining date format 3 defining pressure 3 defining temperature 3 026 1005 Rev 1 06 09 97
185. ue based upon the defined refrigerant type e 500 Ib to Temperature A 500 lb transducer input the RMCC automatically converts into a tempera ture value based upon the defined refrigerant type The refrigerant type is defined in the Type field below Engineering Unit Specifying an engineering unit has no effect on the sensor input or output value and it is not required that an engi neering unit be specified When the RMCC displays analog sensor values the unit appears next to the analog value in the display making the value easier to interpret If an engi neering unit is desired enter one in the Unit field 12 3 5 Sensor Alarm Override Sensor Alarm Override Sensor 1 Digital Override Input jo FT Turn Sensor Relay Off Type Duration Fixed gt 0 0 Manual Override Normal gt Leave Notice in Alarm Log le Send To y 78 Individual Sensors The Logging Interval defines when the data received from the sensors are recorded The interval range is between 0 and 99 99 99 If no logging is desired entering 0 will dis able logging for this input Follow Sensor Shutoff Schedule Yes No No Putting a check in the Follow Sensor Shutoff Schedule box forces the sensor to follow the shut off schedule specified in the Sensor Alarm Override dialog box see Section 12 3 5 Gain 999 999 0 If a linear sensor type is chosen from the Sensor Type field the gain must b
186. ule Inputs and Outputs for more information about these outputs Type 8RO 4A0 8DO None None The Type field is where the type of output board is defined Users may select the 8RO Relay Board the 4AO Analog Output Board the 8DO Digital Output Board or None if the output is not going to be given a board and point ad dress Board and Point The desired board and point address for the output is en tered in the Board and Point fields 8DO Interval If 8DO is chosen in the Type field specify an interval in the 8DO Interval field The interval is the amount of time over which the 8DO s output will be applied for example if the output value being sent to the 8DO is 60 and the 8DO In terval is set to 1 second the 8DO will turn the output on for 0 6 seconds 60 of a second turn it off for 0 4 seconds and repeat this cycle every second ON OFF Definitions ON OFF NONE When the RMCC calls for the Command and Proof outputs to be either ON or OFF the Digital Output Module uses the digital values specified in the ON OFF definition fields For any of the fields users may specify OFF ON or NONE for don t care See P N 026 1102 RMCC In stallation and Operation Manual Section 3 7 1 2 Module Inputs and Outputs for a definition of the NONE state 9 6 Counter Setup Counter Setup Digital Output 1 Initial Count Yalue 0 0 Trip Point NONE Reset Type Level Counter Increment 1 0 U
187. ure joo E Setpoint Float Float In Low o o Float In High 0 0 Dutput Range o o m E necessary a _ iz sor and Float cells in an Analog Output Mod ule are in the Setpoints dialog box The Select cell which is defined in this dialog box chooses either the Occupied Setpoint or the Unoccupied Setpoint inputs defined in Section 3 5 Analog Output Inputs Set up as the PID setpoint based on the state of the Occupied 18 Analog Outputs Setpoints Select Float input When these set point inputs fail 1 e when they read NONE the Select cell may also substitute fallback val ues for the corrupted set points The set point value selected by the Select cell is altered by the Float cell which alters the PID set point value based on the Float input value For a more detailed description of the Select and Float cells refer to P N 026 1102 RMCC Instal lation and Operation Manual Section 3 7 2 3 Analog Output Module Fallback Setpoints 999 999 NONE When the Occupied Setpoint and Unoccupied Setpoint in puts are defined as anything except fixed analog values it is possible for the set point values to become corrupted If this happens the Analog Output Module will not function correctly since it needs a PID set point to produce an out put The RMCC is programmed to compensate for corrupted PID set points by substituting the Fallback Setpoints for the set point inputs These Fallback Setpoi
188. ure sensor 1s defined in the Control Source field Select Discharge for a sensor mounted on the discharge line Inlet for a sensor mounted on the condenser inlet or Outlet for a sensor mounted on the condenser outlet Condenser Menu 57 Temperature Differential Refrigerant Type options R502 If Temperature Differential is chosen as the Strategy the RMCC automatically assumes the control value 1s an inlet pressure value By specifying the Refrigerant Type the RMCC can make the necessary calculation to convert the refrigerant pressure value to a refriger ant temperature value Evaporative Controlled By Temperature Pressure Tempera ture The Controlled By setting tells the RMCC whether the control value will come from pressure transducers or temperature sensors Control Calculation Avq Min Max First Avg The discharge pressure or temperature of an evapora tive condenser may be controlled by a single tempera ture or pressure sensor or a combination of up to five temperature or pressure sensors The method used to combine the multiple values into a single control value must be specified in this field There are four different refrigerant types to choose from e O NE Only one sensor will be used to determine the control value e A VG The average of all sensor values will be used as the control value e MI N The lowest of all sensor values will be used as the control value e MA X The highest of a
189. us bad read Suction Groups 81 ings The Copeland Oil System takes a number of pressure read ings during a user defined time window If during this win dow the oil readings are 100 good the compressor operates as normal If the readings are below 100 good the RMCC sets up a time out period the length of which is dependent on the percentage value lower percentages generate a smaller time out period than higher percentag es If the percentage of bad oil readings continues through out the length of the time out period the compressor will bypass OFF and an alarm will be written to the RMCC Alarm Log Table 13 1 shows the percentages and their corresponding time out periods If the percentage of good readings changes during a time out the time out period will change and the percentage of time elapsed will be applied to the new time out period For example if a compressor had 60 good readings the time out period would be twelve minutes Six minutes into the time period the percentage of good readings drops to 30 This immediately changes the time out period from 12 minutes to 5 minutes Since six of the twelve minutes in the previous time out period i e 50 of the time had already passed the RMCC continues with the new time out period as if 2 5 minutes 50 of the new period has already elapsed Table 13 1 Copeland Oil Time Out Periods vs Percentages 13 3 Pressure Control Options Pressure Control O
190. use button on any of the hotspots on this screen brings up the Analog Outputs Set points dialog box see Section 3 2 Bypassing Users may bypass the PID output to a fixed percentage by right clicking the Override cell in the Status screen and se lecting Bypass from the menu that appears In the Bypass dialog box that appears users may specify the bypass value and choose either fixed or timed as the override type Ex isting bypasses may also be terminated by selecting the Normal option in the Bypass dialog box Analog Inputs Analog Outputs and Digital Out puts Buttons The Other Analog Inputs Analog Outputs and Digital Outputs buttons at the bottom of the screen if left clicked bring up dialog boxes where status screens for other mod ules may be selected Right clicking any of these buttons brings up menus where users may view summary screens add new modules view module alarms or print out set points Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 20 1 Getting a Unit Summary 3 2 Analog Outputs Setpoints Select Float Setpoint Analog Output 1 AY OUTPUT 01 Fallback Occupied Unoccupied Dutput when in Fail
191. ut Modules 13 Mix a weighted mixture of the values of IV1 and IV2 See the description of the Combiner Mix Ratio field below Add the first three inputs added together 1V1 IV2 IV3 Subtract the first three inputs subtracted from each other IV 1 IV2 IV3 Multiply the first three inputs multiplied together IV1 IV2 IV3 Divide the first two inputs divided by the third IV1 1V2 IV3 Multiply Add The first two inputs multiplied to gether and added to the third 1V1 IV2 IV3 Subtract Mult The first two inputs subtracted from each other and multiplied with the third 1V1 IV2 TV3 Abs Divide The absolute value of IV1 IV2 IV3 Abs Mult The absolute value of 1V1 IV2 IV3 Square Root The square root of the absolute value of IV1 IV2 multiplied by IV3 sqr IV 1 TV21 IV3 Combiner Mix Ratio 0 100 5 0 The Combiner Mix Ratio field is highlighted only if the Mix strategy is defined in either the Combiner Mode or Combiner Alternate Mode fields The Mix strategy takes a certain percentage of Input Value 1 and adds it to a certain percentage of Input Value 2 The Combiner Mix Ratio determines what percentages are ap plied to the input values The percentage entered in the Combiner Mix Ratio is ap plied directly to Input 1 The percentage applied to Input 2 1s equal to 100 minus the Combiner Mix Ratio field Thus 1f the Combiner Mix Ratio we
192. ut is entered in the Filter Factor field Simply put the Filter cell subtracts the output value of the previous sampling period from the newly sampled value and to this value it applies the Filter Factor percentage The resulting value is the amount the Filter cell adds to the cur rent Filter cell output In this manner the Filter cell slows the output s reaction time to changes in the combined input value For example suppose a combined input value suddenly changes from 50 to 60 If a Filter Factor of 50 is active in this module only half of that change will be reflected in the Filter cell output during a single sample period Therefore when the input change is first detected by the Filter cell the output would immediately go to 55 Note however that as long as the input value remains at 60 the Filter cell s output will eventually climb to 60 after several sampling periods going from 55 to 57 5 to 58 75 and so on until the output eventually reaches 60 Filter Time Period 00 00 00 24 00 00 00 00 01 The Filter Time Period is the amount of time between input samples and output changes The Filter cell reads the input value adjusts the output value as described above and waits an amount of time equal to the Filter Time Period be fore repeating the process 026 1005 Rev 1 06 09 97 2 5 Analog Inputs Input Setup Inputs Setup x Analog Input 1 Input Value 1 Input Value 2 Input Value 3 Input Value 4 La
193. uts Set points dialog box see Section 2 2 Bypassing Users may bypass the Command output OFF or ON by right clicking the Override cell in the Status screen and se lecting Bypass from the menu that appears In the Bypass dialog box that appears users may specify the bypass value and choose either fixed or timed as the override type Ex isting bypasses may also be terminated by selecting the Normal option in the Bypass dialog box Analog Inputs Analog Outputs and Digital Out uts Buttons The Other Analog Inputs Analog Outputs and Digital Outputs buttons at the bottom of the screen if left clicked bring up dialog boxes where status screens for other mod ules may be selected Right clicking any of these buttons brings up menus where users may view summary screens add new modules view module alarms or print out set points Unit Summary Button Clicking the left mouse button on the Unit Summary button will bring up the Unit Summary Screen Clicking the right mouse button on the Unit Summary but ton will bring up a menu identical to the menu called up by right clicking an RMCC unit at the system tree see P N 026 1002 UltraSite User s Guide Section 20 1 Getting a Unit Summary Analog Input Modules 11 2 2 Setpoints Cut In Out Analog Inputs Setpoints Analog Input 1 Occupied Setpoint Delay Cut in NONE 00 00 00 Cut out NONE 00 00 00 Unoccupied Setpoint Delay Cut in NONE 00
194. ve Otherwise regard less of any split settings defined condenser operation will remain unchanged Force Split During Reclaim Yes No No To activate a condenser split automatically when the RMCC detects a call for heat reclaim check the Force Split in Reclaim box Split Valve 1 Split Valve 2 The board and point addresses for split valves 1 and 2 are defined in the Split Valve fields Two Speed Condenser Fans Initial Soeed Start Off Low High Low When a two speed condenser is ordered to go from off to low speed or off to high speed the condenser must first be gin operation at the defined Initial Speed Choose either Off Low or High Initial Speed For O 3600 sec 0 sec The number of seconds entered in the Initial Speed For field is the amount of time the condenser will operate at the Initial Speed Try Other Speed on Proof Failure Yes No No The Try Other Speed On Fan Fail feature allows the RMCC to compensate for a fan failure by substituting the other fan speed When this field is set to YES and the RMCC detects a fan proof failure from the low speed fan it will use the high speed fan as a substitute Likewise when the high speed fan proof fails the low speed fan will be used Low to High Delay O 3600 sec 30 sec The Low to High Delay is the number of seconds the RMCC must wait before switching a condenser s fan speed from Low to High High to Low Delay 0 3600 sec 30 sec
195. ways On box Float Delay Time 0 60 min 10 min During defrost the circuit temperature is not an accurate reading for the Floating Setpoint Strategy therefore the strategy is disabled during defrost After defrost there is a period of time that the system must wait before reactivating the Floating Setpoint Strategy This duration is defined in the Float Delay Time field 026 1005 Rev 1 06 09 97 Lead Circuit The RMCC monitors a specified circuit temperature when utilizing the Floating Setpoint Strategy To define the cir cuit to monitor for the selected suction group enter the ap propriate circuit number in the Lead Circuit field Suction Pressure Transducer Offset options 100 Ib The transducer that measures suction pressure may be set up for each individual suction group Users may choose from the following transducer types e 100 Ib e 200 lb e 500 lb 13 7 5 Suction Group Compressor Setup x Compressor Setup Group 1 Low Temp Edit Done UltraSite User s Guide RMCC Supplement Offset 99 99 0 If the transducer is known to measure a higher or lower pressure than is actually present enter an appropriate offset value in the Offset field Brand Standard Eclipse Eclipse If the suction pressure transducer 1s a Standard transducer choose Standard from the scroll options If the transducer 1s an Eclipse choose Eclipse Inputs The board and point address
196. which the controlled output is turned on The Cut Off set point is the value at which the controlled output 12 3 2 1 Sensor Setpoints IRLDS only Sensor Setpoints Ei Sensor 1 Cut On 7 Cut Off Cut On Delay jo sec Cut Off Delay jo sec Current PPH 0 SS Cancel Send To 76 Individual Sensors 1s turned off There 1s a one unit dead band around each set point Cut On Delay Cut Off Delay 0 32767 sec 0 sec The RMCC will wait for an amount of time equal to the Cut On Delay or Cut Off Delay before activating or deactivat ing a controlled output To activate a time delay enter the desired times in seconds in the Delay fields Minimum Time On 0 240 min 0 min When the Cut On value is reached and the controlled output is activated the output must remain active for an amount of time equal to the Minimum Time On setting Control By options Diff The control method defined in the Control Using field de termines how to combine the values from up to four sen sors This combined control value is then compared to defined set points and commands to determine the opera tional status of an output Four different control methods may be chosen e Diff The RMCC uses the differential of two sensors as the control value If only one sensor will be pro viding the control value choose this method e Avg The RMCC uses the average value of one or more sensors as the control value
197. will bring up a CCB Status screen for the select ed CCB Clicking the right mouse button on one of the blue bars in the Fixture Overview brings up a menu similar to the Indi vidual Circuits Menu see Section 6 2 026 1005 Rev 1 06 09 97 Case Diagram The case diagram is a general profile of the selected case Depending on the Case Type specified in Section 6 7 the picture that will appear here will be either a wide island case multi deck frozen food single deck meat coffin case reach in frozen food deli case or walk in cooler Case Status and Set Points The fields directly below the case diagram show the oper ating status of the case s refrigeration mode defrost mode liquid line solenoid clean switch and dual temp mode These fields will read as being either On or Off The case temperature set point is displayed in both the Set point field and the gauge directly above it The set point may be changed at the Case Control Circuit Status screen by clicking and holding the left mouse button on the gauge indicator dragging the indicator to the desired position and releasing the mouse button Double clicking the left mouse button on any of these fields calls up a circuit bypass dialog box where users will have the option of bypassing the input or output ON or OFF or deactivating an existing bypass Clicking the right mouse button on any of these fields brings up a menu identical to the Individual Circuits Menu s
198. without any modification e Momentary ON the One Shot cell sends an ON pulse to the Output whenever a transition from OFF to ON transition is detected At all other times the Output will be OFF e Momentary OFF the One Shot cell sends an ON pulse to the Output whenever a transition from ON to OFF is detected At all other times the output will be OFF e Change of State the One Shot cell sends an ON pulse to the Output whenever any kind of transition is detected whether it be from ON to OFF or from OFF to ON One Shot Output Pulse Width 00 00 10 18 12 15 00 00 10 The One Shot Output Pulse Width is the number of hours minutes and seconds the ON pulse emitted by the One Shot cell will last The pulse width must be specified in hours mintues seconds HH MM SS Proof Delay 00 00 10 18 12 15 00 00 10 The Proof cell compares the Proof input to the digital Out put If these two values are different for an amount of time larger than the Proof Delay the Alarm output will be turned ON The delay must be specified in hours minutes seconds HH MM SS Proof Type Logical Actual Logical If the Logical proof type is chosen overrides of the Command Output will not be reflected in the output value sent to the Proof cell This may result in un neccesary activation of the Proof output When the One Shot cell is being used to generate short dig ital pulses the Output may not be the best value to use in proof
199. y applica ble fields will be active Location The board and point number on the 8RO board where the selected output is located is defined in the Location field The network address of the 8RO board is defined by a net work dip switch on the board Enter this number in the first Location field Each defined output is physically connected to a specific point on the 8RO board This number is print ed on the board above the output connection Enter this number in the second Location field The RMCC uses this board address to locate the selected output The RMCC periodically records the status of the defined outputs and stores the information in the RMCC Log The Logging Interval defines when the data received from the sensors are recorded Enter the time in hour minute second format the RMCC should record the current sensor reading to the RMCC Log in the Logging Interval field 6 11 Advanced Defrost Options 6 11 1 Electric Advanced Defrost Options Electric EA Circuit 1 SDIC 01 W Use Advanced Defrost Options C E T E T T b Electric Defrost Amps cana _ Advanced defrost features available for standard PROTOCOL electric defrost circuits are configured in this dialog box This dialog box is accessible only if electric defrost mode was specified in the Circuit Setup dialog box see Section 6 8 and if the circuit is a standard non CCB circuit UltraSite User s Guide RMCC Supplement This fea

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