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Carrier 50XJ064-104 Air Conditioner User Manual

1. 36 BLK CH1 137 BLK Current Loop of CLO2 FU10 FU YE YEL 147 BLK CH2 148 BLK Current Loop of CLO3 149 150 m 151 Eli BLK BLK 152 153 154 GRN M Q2 v l 155 FU15 156 158 BLK CH3 159 BLK Current Loop of CLO4 160 161 fi 162 oa BLK FU16 Br BLK 164 165 GRN YEL ye Q2 E 166 2018 167 1 69 BLK AA CH4 170 BLK 193 YEL COM T1 GG f cC GER a 0 Wa PS EB re 4 da EB O U N B BLK lt RED 200V gt Note 1 2 194 BLU 195 YEL COM T2 BLK RED 200V gt Note 1 N Note 2 196 204 YEL COM BLK RED 200V gt Note 1 FUSES 1 18 ARE 600 V CLASS RK 5 FUSES FUSES 25 26 ARE 600 V CLASS CC FUSES 205 FUSE USAGE 460 V BLU Ai russ gt to Note 1 128 2 10 Ton Compressor 13 Ton Compressor 15 Ton Compressor 20 Ton Compressor 25 Ton Compressor 50XJ Power Wiring 40 PCB2 PCB3 Se CR BH iv BH o H
2. S d mm FREEZE Swihooue 5 s 6 Dom 5 Up eum Switch closure s s e 5 w 6 Down Er esee s s pen Lu 7 r 7 Dom Up e e L s Addr 33 48 MWATEMP Analog OMC L 31 er Internal Powered 2 2 2 Up 2 Down 2 Dom wr E33 E s Down og 4 2omA Internally Powered 4 a up Down 4 Down RH 4 20mA Internally Powered 5 5 up 5 Down 5 Down Ca EE 1 8 L8 Up co CONTROLLER I O DIP SWITCH SETTINGS ABBREV TYPE Water Econ Water Econ Units Switch No and Peston US m o o SE uer GN cwez pavbG Discrete 22 emes faoc Discrete 3 Emel emea 2avbC Diserste aaa ter 4 VFD On Off C 5 1 VED Speed Contra SPEED modulating 6 6 own Alarm Pending ALARMI 24vDC Discrete 7 _ 7 Eme DO ALARM _ bo Board PCB2 Venillation Output Terminals Occupied 24VDC Discrete SES 2 2 Either 2 po ow emu ls Le Economizer ECONO 420mA modulating Pew T Head
3. 15 Log Off from Controller 15 16 26 Occupancy Determination 16 Fan Control 16 Sequence of Operation 16 Diagnostic 18 50XJ Variable Frequency Drive Control 19 50BV Variable Frequency Drive Control 22 TROUBLESHOOTING 27 29 Run Test Troubleshooting 27 Forcing and Clearing and Input or Output 27 Standard Diagnostic Features Alarm and Warning Lights 28 APPENDIX WIRING DIAGRAMS 30 42 APPENDIX CONTROL SCREENS 43 64 Display 43 Configuration Screens 45 Maintenance Screens 58 SAFETY CONSIDERATIONS Installing starting up and servicing this equipment can be hazardous due to system pressures electrical components and equipment location Only trained qualified installers and service mechanics should install start up and service this equipment When working on this equipment observe precautions in the literature on tags stickers and labels attached to the equip ment and any other safety precautions that apply Follow all safety codes Wear safety glasses and work gloves Use care in
4. 200 591 OvAvc 0 0 0 y8 940 0 EdNI taNo 1891 OO Q O 118 ware C SNVHL NA im m 81 NOWWOO tang O SVdAG VFD2 Drot 0 GONO 2 Z 7SN4 L vlid 0 GONH 02 1024 0 014 0 GONO 65 91914 ONIHIM ON39313HIM DL 13A SILON Cp Or CH lt sa o N O i0 ANG an ANG Oct s N za o N O i0 ON QN ADD DDDDODDDDDDDDADDAD X OXOO00X010OrN OX 0X00009X00X000 d L SNvHL ma DL OL er Ir DOO L Ze 27 AV Idi WALSAS OL 99 36 ALARM ALM CM Alarm Warning Relay Common EWT AO AQUA BM BPS_S BR BYPAS CBR cc CDWF CDWFS CLO CMP COMPR CSMUX DEHUM DHS DO DSP LEGEND AND NOTES FOR ALL 50BV WIRING DIAGRAMS Unit Alarm Relay Critical Fault ECONO Signal Multiplexer Comp Status PCB1 Analog Output FLTS Aquastat FREEZ Blower Motor Fan Start Stop Relay FRZ VFD Bypass Mode FSD Blower Relay GND VFD Bypass Control HIR Circuit Breaker HPS Compressor Contactor HWV Condenser Waterflow Relay LPS Condenser Waterflow Switch MA RA
5. CONDENSER WATER PUMP WATER TOWER 50XJ PCB2 This output provided for field connection is used to control condenser water flow Either an On Off signal or a variable output may be required for this feature PHASE LOSS REVERSAL PROTECTION SWITCH 50XJ PCB2 This switch monitors VFD Fan Motor sup ply leads to detect phase loss or reversal If the switch detects improper phasing an input is sent to the unit controller which shuts the unit down After a time delay the controller attempts to restart the unit A phase loss reversal switch may be installed in the unit to detect over under voltage conditions and phase loss or reversal When the switch opens the controller outputs are forced to off with Safety forces the alarm output will close and the red alarm light will be lit A system alarm will be generated and displayed on the unit keypad Unit reset is automatic when the voltage and power phases have been restored FREEZE THERMOSTAT FREEZSTAT 50XJ PCB2 The Economizer Freezestat used in conjunction with an optional water economizer coil or heating coil is a factory installed averaging capillary tube air temperature sensor positioned in the unit inlet airstream If the freeze protection switch contacts open the ventilation request output will be closed for 15 minutes and the warning light will light If the freeze protection switch contacts are still open after 15 minutes the supply fan will be stopped all compr
6. Compressor Lockout Control MBVR Compressor Control Relay MSR Compressor OLR External Dehumidification PCB2 3 Duct High Static Limit Switch PHASE Digital Output PHASER Duct Static Pressure Transducer RAT NOTES LEGEND Economizer Valve Damper Control Entering Water Temp Sensor Filter Status Switch Freeze Thermostat Water Economizer Freeze Thermostat DX Circuit Fire Alarm Shutdown Ground Heat Interlock Relay High Refrigerant Pressure Switch Hot Water Valve Low Refrigerant Pressure Switch Mixed Return Air Temp Sensor Motorized Ball Valve Relay Local Remote Control Relays Compressor Motor Protector Unit Control Board Expansion Board Phase Rotation Monitor Phase Monitor Relay Return Air Thermostat 1 Partial wiring shown on both power and control diagrams 2 Class 2 transformer TRANS 1 is wired into separate circuit Do not interconnect other transformers or circuits circuit separation or compressor transformers from low voltage control panel transformers shall be maintained 3 Shielded wire shall have drain wire connected to VFD ground screw The floating end of the drain wire shall be insulated 4 Shielded wire shall have drain wire connected to the control panel adjacent to the PCB The floating end of the drain wire shall be insulated 37 RESET ROCC SAT SPT SF SPEED SW T TB2 TRANS TRMCT TRMOP VENTR VFD WARN External Reset Remote Occupancy Supply Air Temp
7. Press down arrow to obtain desired item NOTE order is PCB1 PCB2 I O PCB3 Key in force value 1 on start 0 off stop ENTER force value status Service Table 19 Clearing a Forced Input or Output STEP INSTRUCTION ACTION RESULT Press 3 SET ENTER Controller Password Press ENTER Log in to Controller Enter Password Press 1111 ENTER Log in to Controller Logged in Press STAT Hardware Points Press ENTER Supply Air Temperature Press down arrow to obtain desired item NOTE order is PCB1 PCB2 I O PCB3 Press CLEAR ENTER auto value status NOTE Service must be gone B G NI 27 Table 20 Alarms Displayed at Unit LID FUNCTION ALARM MESSAGE Actual Text CAUSE UNIT RESPONSE See Notes RESET SAT SAT xx x dF outside SAT reads out of prescribed range Unit shuts down and Automatic limit of xxx x dF for 5 sec during operation indicates alarm DSP ALM Duct Static Sensor Failure Duct Pressure Sensor reading is out of Unit shuts down indicates alarm Automatic range i e likely faulty sensor or circuit FSD Fire Shutdown External Fire Alarm input opens for 5 sec Unit shuts down indicates alarm Automatic Duct High Static Pressure Pressure rises above 3 0 2 during Unit shuts down indicates alarm Automatic DHS operation Set point adjustable on the switch Used for Off position of sw
8. Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp DESCRIPTION OMNIZONE DSALM11 Compressor 4 Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALM12 Supply Fan Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DXVAV01 Compressor Staging Discrete Output Point 1 Discrete Output Point 2 Discrete Output Point 3 Discrete Output Point 4 Discrete Output Point
9. 059 i gowns E SNVHL CSL 10 281 dINO CSL 19 281 NIEL NOWWOO e r 0 1 L SNVH L Ch 5 lt NIEL NOWWOO lt 1r Laoa pag airy o VS H 9 9 2010 809 4001 1 O L ONIHIM 47813 AR AO E SNIHIA NO al LL 1 SHIM 1079 dOO1 LNAYHNO 33 MOT 4 AS0S QN3931 HO 18 0011NO HASAN G M 33S ONIHIM SOVLIOA HOIH HOS 98800 11ND G M 335 ONIHIM MOT LBOd HOS G M 33S f OL 5 LON N3HM 3901434 SIH L HOS GATIVLSNI ae SALON L 4 P oram 3 H3svHd AA 8 6 OL er LL NOLdOSSVdAB __________ el SvdAd eebe Ltd Nal PL g g M K i LOWHL gt y E H L SNVHL i 5 AL 4 67698 BUSI aaa AX PR P3 7f ped PASA up m Dome Zu 3 samao ONIYIM 47313 E QN3931 Hao ot L SNVHL H I SNYHL H 2 SNVHL 34 9 NOWINOO BelloA p ll
10. 11 12 13 14 15 17 18 19 20 If the control does not receive open open closed in range in range in range the red alarm LED will go on and the test will stop If the inputs are OK the red alarm LED blinks once and the test continues Next the control forces the Supply Fan SF and all of the Compressors COMP off and waits 15 seconds For the 50XJ unit if the REMOTE LED and AUTO LED on the VFD display are on the red LED blinks once and the test continues NOTE For the 50XJ unit if the controller is config ured with a water Economizer the delay is 2 min and both valves are commanded to 0 Both water valves will close The control forces SF on and SPEED to 20 percent and then waits 30 seconds If the VFD display shows 10 6 Hz the Remote and Auto LEDs blink and the fan goes on then the red LED on the control module blinks once and the test continues NOTE For the 50XJ unit if the controller is config ured with a water Economizer the delay is 2 min and Econo valve is commanded to 100 The economizer valve will open and the RVS HD reverse head pressure valve will remain closed The control forces SF on and SPEED to 35 percent and then waits 30 seconds If the VFD display shows 20 0 Hz the Remote and Auto LEDs blink and the fan goes on then the red LED on the control module blinks once and the test continues NOTE For the 50XJ unit if the controller is configured with a wate
11. OMNIZONE RESET Ext Supply Air Reset Low Input Endpoint LowRange High Input Endpoint HighRng Low Conversion Endpoint LowConv High Conversion Endpoint HighConv Low Input Fault LowFlt High Input Fault HighFlt OMNIZONE ALARM Critical Fault Output Logic Type LogType Minimum Off Time MinOff Minimum On Time MinOn Delay Time DlyTim OMNIZONE BPS_S Bypass Start_Stop Output Logic Type Normal LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 5 sec DlyTim OMNIZONE CMP1 Compressor 1 Relay Output Logic Type LogType Minimum Off Time MinOff Minimum On Time MinOn Delay Time DlyTim OMNIZONE CMP2 Compressor 2 Relay Output Logic Type LogType Minimum Off Time MinOff Minimum On Time MinOn Delay Time DlyTim OMNIZONE CMP3 Compressor 3 Relay Output Logic Type LogType Minimum Off Time MinOff Minimum On Time MinOn Delay Time DlyTim OMNIZONE CMP4 Compressor 4 Relay Output Logic Type LogType Minimum Off Time MinOff Minimum On Time MinOn Delay Time DlyTim OMNIZONE DEHUM Ext Dehumidification Output Logic Type LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 10 sec DlyTim OMNIZONE HEAT1 Heat Stage 1 Output Logic Type Normal LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 10 sec DlyTim OMNIZONE HEAT2 Heat Stage 2 Output Logic Type Normal LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 10 sec DlyTim OMNIZONE HEATS
12. SCHD 1 2 Setpoint 3 Holiday 4 SAW Setpoint 5 Network Time 6 N A 7 8 N A 9 N A 10 11 N A 12 N A 13 14 N A 15 N A 16 17 N A 18 N A 19 20 21 N A 22 23 N A 24 N A 25 26 27 N A 28 29 30 N A 31 32 33 35 36 37 N A LEGEND NOTES AO Analog Output 1 To change from Edit mode to Status mode press CLEAR or press AOSS Adaptive Optimal Start Stop EXPN EDIT again CV Constant Volume f Digital Output 2 Not all available selections will have items to select in sublevels IAQ Indoor Air Quality N A Not Available NTFC Nighttime Free Cooling Variable Air Volume WSM Water System Manager Automatic Run Test The SOBV XJ unit controls are programmed with an automatic run test that checks connection and operation of major components To perform the run test Verify that the control display LID device System Monitor interface cable is connected to internal jack on main controller that the fire alarm shutdown switch input FSD has a factory jumper or field input that Bypass if installed is set in the DRIVE position and that the Local Off Remote switch is set to the REMOTE position NOTE When the Local Off Remote switch is in the REMOTE position the controller time schedule is pre set from the factory as unoccupied This means that the unit will not tu
13. Sensor Indoor Relative Humidity Sensor and Outdoor Temperature Sensor The accessory I O module provides the following control outputs relays 4 stage heat control water pump request tower request modulating exhaust fan and external dehumidification Local Interface Display The Local Interface Display LID is mounted on the front of the 50BV XJ units A number of user adjustable features are entered changed using the display keypad These features described in detail in the Using the Local Interface Display section of this manual PCB Addresses Switch 1 SW1 is used to set each controller s address Individual DIP switches on each board are used to set the addresses for individual hardware points PCB1 switches are factory set for hardware points 1 15 PCB2 DIP switches are set for points 17 32 and PCB3 for points 33 48 For more information refer to Table 1 and the Optional and Field Installed Accessory Sensors Devices section Control Module Communication When power is applied to the OMNIZONE System Control panel the red LED light emitting diode on the top front of the processor module will flash at a rapid pace about twice a second for the first 30 to 60 seconds See Fig 1 This rapid flash will then be replaced by a slower paced flash about once per second The green LED below the red LED will start flashing This LED indicates input output communications for accessory input output modules and the LI
14. Sensor Space Zone Temperature Sensor Supply Fan Start Stop Relay 0 10 VDC Signal Isolator for VFD Switch Transformer Terminal Block for Field Connections Transformer VAV Terminals Control VAV Terminals Open Ventilation Output Variable Frequency Drive Unit Warning Relay Non Critical Fault Unit Wire Field Wiring NOTE1 Hing CB1 502 501 500 504 RED X REp OOCO O dan 503 BRN NOTE 4 505 SPEED BRN 592 700 E GRN 514 701 OT WHT SF H 703 BLK 702 RED TAA sar HAN 528 BRN Q ous 542 543 2 GRA Ka CMP4 515 WHT e y 506 BRN 544 545 vet E HRN3 HRN4 546 547 516 517 520 519 2 PNK RA ogo BRN 548 549 e BLU CMP1 S HRN3 529 530 4 EL 62 HRN3 532 533 3 PNK oz E HRN3 612 613 535 BLU lt 4 amp LU 85 oro 528 LOGICIH 1 BRN 561 BRN D GRN 635 556 Fee 555 24V HANS ir 600 650 0006 Q RN BRN eo 610 VIO E
15. The LID display shows Factory Field Test Stop The yellow LED will go off and the red LED will go off 23 The control forces CMP4 off 24 The run test is complete Power Up the LID Display After completing the automatic run test perform the following procedures to change the controller password set the controller clock configure schedules set parameters view settings and view alarm history 1 Set the Remote Local Off switch on the front of the unit to the OFF position This prevents operation of the fan and compressors while still providing power to the unit controls NOTE When the switch is in the OFF position the red alarm LED will be lit this is normal The bypass point will also indicate OK 2 Ifthe unit access panel for power and controls is still on the unit remove it in order to view the control modules during start up 3 Switch the main unit power disconnect to ON When power is applied to the OMNIZONE System Control panel the red LED on the top front of the processor module will flash at a rapid pace about twice a second for the first 30 to 60 seconds This rapid flash will then be replaced by a slower paced flash about once per second The green LED below the red LED will start flashing This LED indicates input output communications for accessory input output modules and the LID display The yellow LED will flash when the controller is broadcast ing CCN messages to a laptop or other computer
16. from Remote Scheduler or from Remote Linkage Economizer mode is switched to Off or no start if there is no condenser waterflow Fire Input is On Fan is not On or Un occupied mode is On Variable Waterflow Systems Whenever water economizer is off the economizer flow control valve is fully closed and the reverse flow valve directly to the condenser is fully open Upon engagement of the water economizer the economizer flow con trol valve shall be controlled to maintain the MA_RA located between the economizer coil and the DX cooling coil at a tem perature near the supply air set point The the reverse flow valve will be controlled in reverse of the economizer flow control valve s position The following formula is an example Reverse Head Press Ctrl output 100 two position Econo output When the unit is off both valves are closed Constant Waterflow Systems Control of the economizer flow control valve is same as for variable waterflow systems Control of the reverse flow control valve position will inversely track the economizer flow control valve such that the total sum of the two valves open positions always equals 100 The only difference between the variable waterflow system and the constant waterflow system is that for the constant flow system when the unit is off the economizer valve will be closed and the reverse flow control valve will be open WATER ECONOMIZER COIL 50BV For the 50BV
17. mode Status Mode When the user first powers up the LID it displays the CC6400 controller items in Status maintenance mode The user may view the current value or status of an item in Status mode without actually logging on to the Controller Knowing the current values or status of items can be useful when troubleshooting For example the user could determine if a point was forced NOTE Not all items have maintenance data If the item you select does not have maintenance data the LID will display No maintenance Accessing Items in Status Mode The user can access maintenance data in Status mode in two ways Pressing the appropriate function key i e ALRM once to access a category i e alarms and then continu ing to press that key to scroll through all the items in that category Oe Limit Alarm Set point Alarm Discrete Alarm First Out Alarm Runtime Alarm and Number of Starts Alarm Press ENTER to display the first maintenance decision NOTE Scrolling by repeatedly pressing the function key displays the name of all the items in that category whether or not they are actually configured Scrolling by pressing the up or down arrow displays only the configured items within that category Pressing the appropriate LID numeric key i e 2 and the appropriate function key i e ALRM to directly access an item without having to scroll through
18. overheat alarm same as 2 If two or more problems arise simultaneously one of the following alarms appears and blinks CP PL CPL The blinking alarms C P L H are displayed in this order from left to right 26 TROUBLESHOOTING Refer to Tables 17 21 for troubleshooting information Run Test Troubleshooting The automatic run test is a diagnostic tool used during unit start up Table 17 describes troubleshooting specifically for the automated run test Table 17 Run Test Troubleshooting PROBLEM Control modules do not have lights when unit power on Control display does not light up when unit power on Run test will not start WARN yel does not light during run test ALARM red does not light during run test Run test stops ALARM red light is lit after it blinks once Fan does not start ALARM red blinks 2 times Run test stop ALARM red light is lit after blinking 3 times Run test stop ALARM red is lit after it blinks 4 times Fan does not increase speed Fan does not stop after ALARM red blinks 5 times Fan rotation is backwards Run test stop ALARM red is lit after blinking 6 times Compressor 1 does not start Run test stop ALARM red is lit after blinking 7 times Compressor 2 does not start Run test stop ALARM red is lit after blinking 8 times Compressor 3 does not start Run test stop ALARM red is lit after blinking 9 times POSSIBLE CAUSE Transformer open
19. 1sul pi9 4 4 PAGOS 981 HOS G8800 LLNO YIIWNN G M 33S ADVLIOA HOIH 903 W3 98 00 1LNO YIAWNN 33S 3OVLIOA HOA 88800 1LNO YAEWNN G M 33S 81 NONINOO 0 2014 0 dON4 VFD2 OO 6S 07313 LINN QN3931 3HIM SALON LOL PA 28101 coL 7 ar v Zsdi 200 S Buo lt e 9 L 8 6 o LL 1541 100 zdWo Se lt 5 SL gt 9L E SNVHL TA m Ki SLL 8 gt LO or 8 Y ar DHO 2 ze ELO N QO Dr 1SN4 0 GONH 0c 1004 0 20 4 0 65 ON ez ez T Es DOD DODDDDDDDDDDDODD DODOODODOOOODODDOOO IBA ugo ma d L SNVH L N 2r zaod OL er Lr L lt Lp AV 1dSIG WALSAS OL 99 35 4 X MAGOS UNADAT 903 HIAWNN G M 33S ONIYIM HOS VIN O28800 HIAWNN G M 33S HOH 9820071139 HIAWNN G M 33S was S MS
20. 5 Discrete Output Point 6 Fan Status Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule High Humidity Switch Humidity Setpoint High Humidity Sensor VAV Setpoint Reset Supply Air Setpoint Reset Ratio Start Reset Maximum Reset Supply Air Temperature PID_Master_Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Staging Control Total Number of Stages On Time Delay Off Time Delay Power on Delay Default values from factory Configuration Screens cont VALUE UNITS C4_ALM SENSDIOO SENSDIOO 5 11010000 0 Compressor 4 Fau It SF SENSDIOO Normal 120 120 Enable 0 1 2 5 11010000 0 Check Supply Fan CMP1 CMP2 CMP3 CMP4 DISCRO00 DISCRO00 COMPRES VAVRESET LINK_01 SETPTO2 SENSDIOO NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information 52 NAME Name Name Name AlmLogic DlyTim Persist AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DlyTim Persist AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name Name Name Name Name Name Name Name Name Name Name SetPT RstRat StrtRst MaxReset Name KP Kl KD DsblOut MinOut MaxOut StartVal BlkRat
21. 568 BLU 622 BLK NG 565 88 gt zem vet Ss 620 88 pes 566 88 FREEZ ge E 606 BRN CDWFS sooren ef 558 RED Ha MA RA HRN5 604 24V 602 RED 602 Keel 5 Way 0 ewen es 605 RED 8 634 RED D 24 609 ORN TD 0 20 mA 4 20mA ECONO 608 BRN COMMON 606 RED D 24 610 VIO D 0 20 mA 4 20mA 580 BRN L558 RED S 581 PNK 35 t om 573 YEL LOCAL 598 YEL O MODE 5 OFF O eM 919 O O to d EREERRES 25855858 565855688 5 5 S858 8 8 TBS 50XJ Low Voltage Control Wiring 38 TB2 Bussman MDQ5 7 TB3 115V 250 V BLK FU27 BLK nsv 2 WET HRN1 HRN1 306 307 309 308 CMP1 HRN1 310 311 312 BKA gt at OLR1 HRN1 x m LPS1 BHB cu HPS cia Kl 315 FP7 a 33 818 x 320 m BLU BLU BLU BLU apa BLU BLU B WHT 5 CMP2 HRN1 322 323 85 Qr 74 2 BLk 4 lt 4 5 OL
22. A typical 10K thermistor such as the 33ZCT55SPT sensor may be used If the SPT sensor is not installed and the RA mixed ar return air sensor is configured for return air the 50XJ unit will use this sensor to control supply air reset occupied heat and unoccupied heating and cooling See Fig 4 for space temperature sensor averaging HOT WATER OR STEAM VALVE HWV 50XJ PCB2 The HWV terminal supplies the positive signal to control 4 to 20 mA hot water or steam valve for occupied and unoccupied heat Connect the common side of the valve to the C terminal or an equipment ground AIR TERMINALS AND FRESH AIR DAMPER 50XJ PCB2 The Terminal Open TRMOP Ventilation Output VENTR VAV Terminals Control TRMCT and Heat Interlock Relay HIR terminals provide dry contacts to command the VAV terminals open a ventilation damper open VAV terminals to control to their cooling set points and VAV terminals to control to their heat set points respectively REMOTE OCCUPANCY ROCC TB2 50BV TB6 50XJ The 50XJ BV unit be commanded by remote Cows BEDE ff control system or a twist timer to become occupied and run ri CCN COM when a set of dry contacts close In order for this to occur wire ff J ttc the contacts to ROCC and C SMOKE DETECTOR FIRE ALARM SHUTDOWN FSD TB2 50BV TB6 50XJ To allow a smoke detector to shut pe osea t nete the 50XJ BV unit down remove the jumper from FSD to C ND pa S
23. Circuit breaker open Power wiring open Module failure Connection location Interface cable open Display failure Pre existing ALARM red Not Logged in with password Switch not in Local Wiring open Lamp failure Control module failure Wiring open Lamp open Control module failure Bypass switch to LINE Mode switch to OFF Duct high pressure switch open Fire shutdown input or jumper open Supply air temp out of range Duct static pressure sensor out of range Compressor resistor board wiring error or failure Fan relay failure Wiring open VFD connection error VFD setup error Fan relay failure Current isolator failure Control module failure VFD connection error VFD setup error Current isolator load adjustment too low Fan relay failure to motor wiring sequence error VFD setup error Wiring open Compressor resistor board wiring error or failure High pressure switch low pressure switch coil frost switch or compressor protection module open Compressor relay failure Contactor failure Control module failure No refrigerant charge Wiring open Compressor resistor board wiring error or failure High pressure switch low pressure switch coil frost switch or compressor protection module open Compressor relay failure Contactor failure Control module failure No refrigerant charge Wiring open Compressor resistor board wiring error or fai High pressure switch low pressure switch coil frost switch o
24. DISPLAY AREA The 7 character LED displays various values depending upon what mode is running In Standard Monitor mode the LED displays the current output frequency In Status Monitor mode monitors the status conditions and frequency command value setting In Setup mode displays setup parameter titles and values In Program mode displays parameter group titles indi vidual parameter names and parameter values During a trip displays the trip title The appropriate local remote LED which is inset into the speed control key is lit when the unit is in Local or Remote mode The appropriate manual auto LED which is inset into the run mode key is lit when the unit is Manual or Auto mode When numeric data is shown on the LED display the corre sponding unit indication LED will be lit If no unit indication LED is lit the current data has no unit or the corresponding unit does not exist on the display panel KEY FUNCTIONS Refer to Table 11 for the functions of each key on the keypad NON TRIP MESSAGES Non trip messages are those that may be displayed but do not cause a trip and are not recorded in the fault history Table 12 lists the non trip messages with their explanations TRIP MESSAGES Trip messages and their causes are shown in Table 13 CLEARING A TRIP A trip clear can be performed after the cause of the trip has been removed To perform a trip clear either switch off power to
25. Day Next Unoccupied Time Last Unoccupied Day Last Unoccupied Time Push Button Override Thermostat Override AlmStat CtrValue HdwValue ChanNum AlgoName AlmName Mode Period OverLast OverDura OccStart UnStart NxtOccD NxtOccT NxtUnOD NxtUnOT PrvUnOD PrvUnOT Value Value Task Timer TaskTimr OMNIZONE BYPAS VFD Bypass Enable Typical System Value Disable Sysvalue Force 0 Force Status 0 HwStat Alarm Status AlmStat Sensor Value Disable SenValue Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE STPR 01 Supply Fan Speed Analog Output Point Fan Status Point Duct Static Pressure Static Pressure Setpoint PID Master Loop Reference Output Proportional Term Integral Term Derivative Term Integrator Flags Task Timer HdwValue ChanNum AlgoName AlmName Open 23 Value Value Value Value RefOut PTerm DTerm Flags TaskTimr 63 Maintenance Screens cont NAME DESCRIPTION OMNIZONE TCO01 DO Time Clock 01 Discrete Output Point Occupied Redline Duty Cycle Reference Output Off Time Duration Region of Hour Task Timer OMNIZONE EWT Entering Water Temp System Value Force Status Alarm Status Sensor Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE VPIOM I O amp Faults Typical BEST maintenance Compressor Status Task State Task Timer Execution Time Critical Fa
26. FAN The Supply fan can be activated in any of the following ways e Unoccupied space or return air temperature demand Unoccupied Linkage demand Local Time Schedule TIMCLOCK software point Remote Occupancy ROCC software point By placing the remote off local switch in the local mode Enabled by Schedule Once one of the above conditions exists either TIME CLOCK or ROCC indicates ON or Enable The software point OKFAN will turn on followed by the points TRMCT for air terminal control and PUMP and TOWER to request condenser water flow and temperature control Approximately 20 to 30 seconds later the supply fan SF point will turn ON and the VFD output SPEED will increase The SPEED point will output a signal determined by a PID calculation based on the duct static pressure DSP input and the Supply Static Pressure set point in 5 Once the supply fan is running and the static pressure increases above the Supply fan status set point in SETPTOI the supply fan status point SFS will indicate ON and the software point SF SFS will indicate TRUE Enabled By Unoccupied Demand A software point Space Control Point will display the current value of the sensor used to determine unoccupied demand The EWT sensor provides this function for the 50BV unit The display is based on the 16 sensors installed and the configuration of these sensors in the custom configuration or the status of linkage If the R
27. Fig 4 Space Temperature Averaging 7 CONTROLS FUNCTIONS Using the Local Interface Display The Local Interface Device LID is a CCN operator interface that gives the user the capability to view and modify all configuration and service data for the CC6400 control system The LID also allows the user to override all point display and maintenance data MENU STRUCTURE The LID operates on a hierarchy of four levels menus The top level contains the LID s major functions Each function has a corresponding key on the LID For an explana tion of each function key refer to Table 3 The second level separates the major functions items into types with corresponding type numbers that can be used for quick access The third level gives the user the capability to access each occurrence of an item For example the application may require two DO Discreet Output Analog Comparison algorithms Thus the CC6400 Controller would have two occurrences of the DO Analog Comparison algorithm The fourth level gives the user the capability to access main tenance and configuration data associated with the selected occurrence of the item DEFAULT SCREEN Figure 5 shows the LID The LID s screen provides the user with the 24 character controller name and the controller s current time date and alarm status This screen appears when the LID is powered up and communicat ing with the controller or there is no keybo
28. If Linkage is active for each degree that the average occupied space temperature is below the average occupied cool set point the supply air set point will be reset by the amount configured in the RESET RATIO Reset will be limited to the maximum value the custom voltage input RESET can display COOLING RESET SOBV The 5k ohm temperature sen sor will be used as the space control point If this variable goes below the Occupied High set point in the HEAT COOL MODE AND RESET set point SETPT03 then for each degree that the Space control point is below the set point value the supply air set point will be reset by the value configured in the custom configuration RESET RATIO HEATING 50XJ The controller is configured to control two types of heat A modulating 4 to 20 mA output Hot Water Valve HWV in the base unit wired to the second module Four stages of staged heat wired to a third accessory module PCB3 For either method of heat to function a space control point must be configured in the custom configuration This control point comes from a return air sensor or space sensor or from the average space temperature received through linkage Whenever the space control point is below the occupied or unoccupied heat set point the mode will change to heat and if unoccupied the fan will be started For linkage this occurs if the average space temperature is below the appropriate average heat set point Both heat contro
29. Input 2 Comparison Off Persistence Time On Persistence Time Output Logic Type Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information Configuration Screens cont VALUE UNITS HEAT1 HEAT2 4 DISCROOO DISCROOO MODE LINK 09 LINK 01 LINK 01 SENSDIOO IRH SAT 150 HWV MODE LINK 09 LINK 01 LINK 01 3 SENSDI00 IRH Yes 1 5 OKFAN TIMCLOCK ROCC Off Off 5 5 Invert 5 53 Name Name Name Name Name Name Name Name Name Name Name Name Name Name Value OccHeat MaxOut StartVAl BlkRate Value TotalStg OnDelay OffDelay PowerUp Name Name Name Name Name Value Name Name Name OccHeat DsblOut MinOut MaxOut StartVal BlkRate Name KP FanOff MinOut MaxOut Center BlkRate PowerUp Name Name Name Sns1Sta Sns2Sta OffPrst OnPrst LogType PowerUp NAME Configuration Screens cont DESCRIPTION VALUE UNITS NAME OMNIZONE INTLKO2 Ok to Cool Discrete Output Point COOLOK Name Discrete Input Point 1 MODE Name Discrete Input Point 2 SF_SFS Name Discrete Interlock Input 1 Comparison Off Sns1Sta Input 2 Comparison Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type LogType Power on Delay sec PowerUp OMNIZONE INTLKO3 OK Fan Sup Fan Stat Discrete Output Point Name Disc
30. Input setting is 55 This variable input can raise the set point by up to 20 F for a full range input signal or to any point in between WATER ECONOMIZER COIL 50XJ PCB2 This factory installed option contains a water to air coil two 2 electronic motorized water valves and related piping Control of the water economizer also requires a Mixed Return Air Temperature Sensor a Condenser Water Inlet Temperature Sensor and an Economizer Freezestat safety switch The electronic motorized water valves are each controlled by the unit controller via separate 4 to 20 mA variable signals to define variable valve position The Mixed Return Air Sensor MA RA is an air temperature sensor located in the unit between economizer coil and evaporator The Condenser Water Inlet Temperature Sensor CWT is located at the unit water inlet connection This sensor receives input power from the unit main controller and provides a linear variable 1 to 5 vdc signal back to the controller The full temperature range is 32 10120 F The 50XJ units can be connected to two types of building water systems variable and fixed or constant flow control In either case the economizer water valves are opened whenever there is a call for Cooling and the Inlet Water Temperature is colder than the Econ Start Set Point in the custom configuration Dependencies Water Economizer option is enabled and Fan is On and Inlet Water Temperature is below set point or
31. Pressure Deen 2mamoousing f oom 4 ao Hot Water Coil Valve Control Iw pm f AO Heat intero Relay HE laevoc Disorste o rer VFD Bypass Start sss 2evoc Disorste 7 bo VAN Terminals Open DAMPERS 24VDG Discrete gl 4 Board PCB3 Electric Heat Control Stage 1 HEAT 24vDCDisree J t f 1 1 DO Electric Heat Control Stage 2 HEAT2 24VDC Discrete 2 2 Eme 2 Do Electi Heat Control Stage 3 HEATS 24VDCDiecrele f8 9 s Electric Heat Control Stage 4 HEATA 24VDC Discrete 4 4 4 bo Pome 12evoc Disorte s s 99 Tower Request TOWER 24vDC Discrete 86 e _ 6 2 Do EE External Dehumidification JDEHUM__ 24vDC Discrete 8 8 Ether 4 LEGEND AO Analog Output DO Discreet Output Precon Type Il Thermistor Variable Air Volume VFD Variable Frequency Drive STATUS RED POWER GREEN IO BUS COMMUNICATIONS 4 YELL OW CNN BUS COMMUNICATIONS Fig 1 CC6400 Control Module LEDs Carrier Comfort Network Interface The 50BV XJ units can be connected to the CCN Carrier Comfort Network if desired System elements are connected t
32. Quality Low Input Endpoint High Input Endpoint Low Conversion Endpoint High Conversion Endpoint Low Input Fault High Input Fault Externally Powered OMNIZONE CSMUX Comp Status MUX Low Input Endpoint High Input Endpoint Low Conversion Endpoint High Conversion Endpoint Low Input Fault High Input Fault Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information Configuration Screens cont VALUE UNITS SFS 1 SETPTO1 PNT NAME 0 DEHUM IRH LINK 01 9 10 60 0 ECONO ECON_OK VAVRESET LINK 01 2 SENSDIOO MAMP 100 53 1 20 20 ECONPT 4 2 46 NAME Name Name Name Type OccSt UnoccSt OAnlgTst UAnlgTst Ovrd Hyst Persist Name Name PowerUp Name Name Name Name Hyst BlkRate PowerUp Name Name Name Name Name Name Name Name Setpt RstRat StrtRst MaxReset Name StartVal BlkRate PowerUp LowRange HighRng LowConv HighConv LowFlt HighFit ExtPower LowRange HighRng LowConv HighConv LowFit HighFlt ExtPower LowRange HighRng LowConv HighConv LowFlt HighFlt Configuration Screens cont DESCRIPTION NAME OMNIZONE PRES Head Pressure Comp1 Low Input Endpoint LowRange High Input Endpoint HighRng Low Conversion Endpoint LowConv High Conversion Endpoint HighConv Low Input Fault LowFlt High Input Fault HighFlt
33. Sns1Sta Sns2Sta OffPrst OnPrst LogType PowerUp Name Name Enable Bldinsul UnOccFct Value Value Name Name Name Name Name Name Name Enable MaxStop SPBias PowerUp Evacuate Pressure Name Name LowLim HighLim DlyTim Persist Hyst AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp DESCRIPTION OMNIZONE LMALMO02 Entering WaterTemp Monitored Input Point Alarm Inhibit Point Limit Check Low Limit High Limit Enable Delay Time Persistence Time Hysteresis Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE LMALM03 Compressor Monitored Input Point Alarm Inhibit Point Limit Check Low Limit High Limit Enable Delay Time Persistence Time Hysteresis Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE LMALM04 Mixed Return Air Monitored Input Point Alarm Inhibit Point Limit Check Low Limit High Limit Enable Delay Time Persistence Time Hysteresis Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert
34. StopRst Name DsblOut MinOut MaxOut StartVal BlkRate PowerUp Name Name Name Name Name StrtRst StopRst Name DsblOut MinOut MaxOut StartVal BlkRate PowerUp Name Name Name Name Hyst BlkRate PowerUp DESCRIPTION OMNIZONE DOPI_01 Supply Fan Status Discrete Output Point Time Schedule Setpoint Schedule Permissive Interlock Control Point Type Occ Discrete State Unocc Discrete State Occ Analog Test Unocc Analog Test Override Value Hysteresis Persistence Time Analog Control Point Discrete Control Point Power on Delay OMNIZONE ANCTLO2 Humidity Control Discrete Output Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule Analog Hysteresis Block Iteration Rate Power on Delay OMNIZONE CCVAV01 Modulating Economizer Control Cooling Coil Valve Fan Status Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule High Humidity Switch Humidity Setpoint High Humidity Sensor VAV Setpoint Reset Supply Air Setpoint Reset Ratio Start Reset Maximum Reset Supply Air Temperature PID_Master_Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Power on Delay OMNIZONE BSP Building Static Milliamp Low Input Endpoint High Input Endpoint Low Conversion Endpoint High Conversion Endpoint Low Input Fault High Input Fault Externally Powered OMNIZONE IAQ Indoor Air
35. The third LED from the bottom of the controller PCB1 will light The LID display will show the controller identification time and date as shown below OMNIZONE VPAC hh mm mm dd yy Log On to the LID Display To Log On to the LID display perform the following procedure 1 Press 3 and then SET The LID display will show Controller Password 2 Press ENTER The LID display will show Log in to Controller Enter Password NOTE The LID display has two modes Edit mode and Status Maintenance mode Edit mode allows the user to change settings on the configurations screens Status Maintenance mode only allows the user to look at the settings If the LID display is in Edit mode then the display will only show the word password Press the EXPN EDIT key to toggle to the Status mode Make sure the LID display shows Log in to Controller Enter Password 3 Key in the password and press ENTER NOTE The default password is 1111 12 4 The LID display will show Log in to Controller Logged In NOTE The user will be automatically logged off after 15 min of non use Change the Default Password To change the default password perform the following procedure NOTE The password must have already been entered to perform this procedure 1 Press 3 and then SET The LID display will show Controller Password 2 Press ENTER The LID display will show Log in
36. and Hol respectively Enter a series of Os or 1s with a 1 corresponding to the days that this period should apply to and a 0 for the days that this schedule should not apply to As an example entering 11111000 would make the schedule apply to days Monday through Friday and not apply to Saturday Sunday or Holidays Press the vi button The LID display will show Period 1 occupied from 00 00 Input the Occupancy Start time for this period NOTE 12 00 represents 12 00 pm Press the v to input the Occupied To time for period 1 Input the days and times for periods 2 through 8 as required Press clear to leave the occupancy programming Program Set Points To program the set points perform the following procedure 1 2 3 Press 2 and then SCHD The LID display will show Set point Schedule Press ENTER The LID display will show Supply Fan Status SETPTOI Press ENTER 13 If No maintenance is displayed press EXPN EDIT to view the set point information The LID display will show Occupied Lo Set point 0 30 H20 This is the pressure set point below which the fan is considered to be off Press vi The LID display will show Occupied Hi Set point 0 40 H2O This is the pressure set point above which the fan is considered to be on The down or up arrow will also display the Unoccu pied Low a
37. its compressor Capacity enabling successful waterflow control at the main entering pipe There are two possible water valving configurations as outlined below Pressure transducer input is factory installed in the discharge line of compressor circuit 1 It is provided 5 vdc by the unit main controller and returns a signal to 5 vdc linearly The sensor s range is O to 550 psig Water Valve s Control Variable Building Waterflow Systems Variable waterflow configurations use only one water valve in the main water supply pipe The factory installed valve is a normally open motorized variable control type The valve is controlled by a 4 to 20 mA signal from the main unit controller using the Reverse Head Press Ctrl output which modulates to maintain the head pressure set point Setpoint 04 Constant Building Waterflow Systems Constant waterflow configurations use two 2 water valves only one of which is in the main water supply pipe The second valve is located in a bypass pipe to the main outlet water pipe branched off of the supply pipe immediately ahead of the first valve This valve is same type but normally closed and is controlled in unison with the first valve but opposite position such that the total opening of the 2 valves always equals 100 BYPASS 50XJ PCB2 The VFD Bypass option provides backup for the VFD Drive in VAV units It uses a manually operated rotary switch which includes a series
38. light will be lit COMPRESSOR STATUS Compressor status is determined from the compressor MUX voltage input to the OMNIZONE controller If at any time the compressor status indicates off for more than 30 seconds when the compressor commanded state is on the compressor will be turned off with a safety force and the controller will try to start the compressor after five minutes If the compressor status does not indicate on for more than 30 seconds then the compressor will be turned off again with a safety force for ten minutes The controller will then try to restart the compressor a second time If the compressor status does not come on within 30 seconds the compressor will be turned off for 15 minutes this time After the 15 minute delay the controller will try to restart the compressor for a third time If the compressor does not start it will be locked out for this operating cycle and will not be restarted until the OMNIZONE controller goes through an off cycle where the cooling and supply fan are shut down When the compressor is going through the three restarts or when it is locked out the Warning light will be lit and the specific compressor alarm will be indicated on the display and via communications The three strikes compressor test is reset automatically if the compressor status comes on while the compressor is on APPENDIX WIRING DIAGRAMS BelloA GN3D31 HOA 986001130 HIAWNN G M
39. the inverter or use the following procedure Press Stop Reset The display will show CLr Press Stop Re set again The display will show 0 0 indicating that the trip is cleared and the display will return to Standard Monitor mode If any key other than the STOP RESET key is pressed at the trip clear command prompt the trip clear command is aborted and the display returns to Standard Monitor mode where the trip title will be displayed flashing The trip clear command does not clear the recorded past faults UNITS LED TYPICAL 4 PERCENT O SECONDS KWIAMPSNOLTSs KEYS TYPICAL 8 SETUP PROGRAM L MONITOR READ WRITE LOCAL REMOTE LEDS MANUAL AUTO LEDS 6 LOCAL REMO SPEED RUN MODE J Fig 6 50XJ VFD Display Keypad 19 STATUS MONITOR In Status Monitor mode it is possible to monitor the VFD status frequency command output voltage current terminal information etc Status monitor mode is entered by pressing the Setup Program Monitor key then selecting MON at the mode selection menu and pressing the Read Write key Table 11 details the procedure for entering status monitor mode from standard monitor mode and viewing all the monitored status variables The present output frequency which just after power is applied is 0 0 is displayed If the ST If either is pressed continuously every 0 5 sec the next previous item will be d
40. to Controller Logged in 3 Press EXPN EDIT The LID display will show Password 1111 default password or previous password entered 4 Enter the new password up to 6 digits and press ENTER The LID display will show Password password just entered NOTE Remember this password write it down 5 Press CLEAR twice to leave the password screen and re turn to the default display screen Set the Clock The user must be logged in to set the clock To set the clock perform the following procedure 1 Press 1 and then SET The LID display will show Set Clock 2 Press ENTER The LID display will show No Maintenance NOTE There is no maintenance information regarding setting the clock 3 Press EXPN EDIT The LID display will show Time 00 00 4 Enter the time The time is entered in military time for example 14 59 for 2 59 pm Press ENTER then press the vi button The LID display will show Day of Week 1 5 Enter the day of week The numbers 1 through 7 corre spond to the days of the week 1 MON 2 TUE 3 WED 4 THUR 5 FRI 6 SAT 7 SUN Press ENTER then press iv The LID display will show Month 1 6 Enter the number of the corresponding month 1 through 12 Press ENTER then press The LID display will show Day 1 7 Enter the day of the m
41. 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information EWT SENSDIOO CSMUX SENSDIOO 1 5 9 9 15 10 0 2 Enable 1010000 MA_RA SENSDIOO 35 120 10 10 5 Enable 1010000 Configuration Screens cont VALUE UNITS 56 NAME Name Name LowLim HighLim DlyTim Persist Hyst AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name LowLim HighLim DlyTim Persist Hyst AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name LowLim HighLim DlyTim Persist Hyst AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Configuration Screens cont DESCRIPTION VALUE UNITS OMNIZONE OCCPC01 Occupancy 01 Time Schedule Manual Override Hours Period 1 Day of Week Period 1 Occupied from Period 1 Occupied to Period 2 Day of Week Period 2 Occupied from Period 2 Occupied to Period 3 Day of Week Period 3 Occupied from 0 00 Period 3 Occupied to 24 00 00 Period 4 Day of Week 0 Period 4 Occupied from 0 00 Period 4 Occupied to 24 00 00 Period 5 Day of Wee
42. 11 The LID display will show Log in to Controller Logged In NOTE At this point for the 50BV unit only the run test will follow these steps a Press 37 ALGO The display will show Custom Program b Press ENTER The display will show 2 0 Global Dictionary OMNIZONE c Press EXPN EDIT NOTE Display will flash indicating that the device is now in edit mode The display will show 2 0 Global Dictionary OMNIZONE d Press ENTER The display will show Compressor Stages 4 00 NOTE A 50BV unit with only 2 compressors will display 2 00 Skip to Step 6 e Input 2 00 and Press ENTER The display will show Compressor Stages 2 00 16 Press STAT The LID display will show Hardware Points Press STAT again The LID display will show Software Points Press ENTER The LID display will show Compressor 1 Status wi 6 times The LID display will show Press Factory Field Test Stop Press 1 then Factory Field Test Start ENTER The LID display will show NOTE At this point the yellow warning light on the display panel will be lit and will stay on throughout the run test After each successful step the red alarm light will blink once The control module will now check if there is input from BYPAS 50XJ DHS FSD SAT DSP and CSMUX 21
43. 33S ADVLIOA HOA 3 9850074 9 HIAWNN G M 33S LON 391440 SIHL GATIVLSNI SALON Busa mo 999 lt NNOO 91915 6 z 199 ue LSdH LSd1 9 81 NOWNOO 1SN4 07 GONH 0 1024 0 6014 0 1 SHIM EEN SC ma d L SNVH L DDD DDDODDDDDDDDDDDDAD X OX0O0001010X101000 3000 000000 OO N O O Dr N O 0 C O N oO 2 QN O Y 7 OL er Lr DOD L WALSAS OL 99 30 g Sta 0 dO 291 E SNVHL 28k 181 NOWWOO 86 17 L SNVH L OQ O 31181 NONINOO 5 1 ONIYIM 47213 LIND QN3931 uBIH x rAgos 1 9860071139 YIAWNN G M 33S HOH 8 0011 HIAWNN G M 33S 39VLIOA MOT LdOd HOA IN3 V8E00 TLLNO HIANWNN G M 33S SALON O L al O eL O zudWoo 299 4001 O E a O O O LI L GEN 4001 cl KI 31 X MA
44. 5 Err6 Err7 Err8 Err9 UC UP1 Ot EF1 EF2 Etn EtYP dANP Loss LEGEND Central Processing Unit Analog Input Terminal Printed Circuit Board Random Access Memory Read Only Memory Phase 1 Output T1 Phase 2 Output T2 Phase 3 Output T3 Table 13 VFD Trip Messages for 50XJ Unit EXPLANATION Displayed in the trip history in standard monitor mode when no trip has been recorded since the last VFD reset or trip clear Overcurrent during acceleration trip Overcurrent during deceleration trip Overcurrent during normal constant speed run trip Overcurrent in DC section during acceleration trip Overcurrent in DC section during deceleration trip Overcurrent in DC section during normal constant speed run trip Load end over current trip detected at start up output terminals motor wiring etc U phase short circuit trip detected at start up V phase short circuit trip detected at start up W phase short circuit trip detected at start up Overvoltage during acceleration trip Overvoltage during deceleration trip Overvoltage during normal constant speed run trip VFD overloaded trip Motor overloaded trip Dynamic braking resistor overcurrent trip Dynamic braking resistor overload trip Inverter overheat trip Emergency off trip message Displayed after the STOP RESET key has been pressed once when in Auto Control mode or press STOP RESET key twice within one second in Manual control mode EEPROM failure during w
45. AM values are changed Also toggles to other function group entries Pushing Read Write key saves the setting Down Key Scrolls down the setting of the currently displayed parameter If the key is held down the scrolling speed gradually increases Only RAM values are changed Also toggles to other function group entries Pushing Read Write key saves the setting Run Key This key is used to start a RUN command only valid when in manual control mode Stop Reset Key Functions as the STOP key and emergency stop key during local operation Functions as the RESET key when an inverter trip occurs In all other modes emergency off is engaged when this key is pressed twice Table 12 VFD Messages for 50XJ Unit EXPLANATION Auto restart message alternately displayed with the output frequency whenever the Displayed when 2 frequency points F P1 F P2 etc are set too close to each other Displayed during a pending clear command after the STOP RESET key has been Displayed during a pending emergency off command after the STOP RESET key has Displayed during a pending coast stop command after the Local Remote key has This maximum value warning message HI will be alternately displayed in the data field of a parameter when an attempt is made to increase the setting value greater than This minimum value warning message LO will be alternately displayed in the data field of a parameter when an attempt is made to d
46. Carrier Comfort Network and the Local Off Remote switch is set to Remote the controller occupancy can be determined by a Network Group schedule a Network Global schedule or via Linkage from a linkage device such as a ComfortID linkage master Fan Control All Variable Air Volume VAV units have a Variable Frequency Drive VFD to provide variable fan motor speed and thus variable airflow Fan control turns the fan on and off based on unit operating mode and controls fan speed to maintain a particular duct static pressure at a Duct Static Pressure Sensor DSP The objective is to maintain a reasonably constant supply air exit velocity at VAV system outlet grilles regardless of damper opening positions The duct static pressure sensor is field installed about 2 3 of the way toward the far end of the ductwork A High Duct Static Switch HDS provides protection by shutting the fan down if the duct static pressure exceeds a maximum setting For the 50XJ unit a VFD interface display is mounted in the front of the unit A number of user adjustable features can be entered changed using the keypad on the display These features described in detail in the Variable Frequency Drive Control section Sequence of Operation The following control sequence of operation for the 50XJ BV unit describes the various sequences that occur depending upon the way an operation is triggered and which software control points are involved SUPPLY
47. Cool Setpoint Avg Zone Temperature Avg Occ Zone Temp Adaptive Optimal Stop Stop Bias Stop Cool K Factor Stop Heat K Factor Biased Low Setpoint Biased High Setpoint Biased Stop Cool Flag Biased Stop Day Biased Stop Time Task Timer Evacuation Pressurization Maintenance Screens cont DESCRIPTION VALUE UNITS STATUS FORCE NAME OMNIZONE LMALM01 Supply air Sensor Typical Limit Alarm Monitored Input Point Value Alarm Inhibit Point Value Limit Check Alarm Status Status Alarm Value AlmValue Exceeded Limit Alarm Processor Alarm Type Time of Last Message Month of Last Message Day of Last Message Year of Last Message Task Timer OMNIZONE DSP Duct Static Pressure Typical Milliamp Input ExcdLim AlmType LastTime LastDate LastDate LastDate TaskTimr System Value Sysvalue Force Force Status HwStat Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE ECONO 2 position Econo Valve Typical Milliamp Output AlmStat SenValue HdwValue ChanNum AlgoName AlmName System Value Sysvalue Force Force Status HwStat Alarm Status Control Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE OCCPC01 Occupancy 01 Time Schedule Mode Current Occupied Period Override in Progress Override Duration Occupied Start Time Unoccupied Start Time Next Occupied Day Next Occupied Time Next Unoccupied
48. D The yellow LED the third LED from the bottom of the con troller PCB1 will flash when the controller is broadcasting CCN messages to a laptop or other computer DESCRIPTION Inputs Main Controller PCB1 Supply Air Temperature VFD Duct Static Pressure COL Safeties Comprs Status Resister Bd Fire Alarm Shutdown Condenser Waterflow Switch Remote Occupancy Duct High Static Limit Switch Entering Water Temp Sensor Board PCB2 Mixed Return Air Sensor Filter Status Switch Dirty Filter Detect Phase Loss Monitor External reset Water Econ FreezeStat Differential Enthalpy Space Zone Sensor s VFD Bypass Enable Refrigerant Pressure Compr 1 Board PCB3 Tower Sump Temp Building Pressure Leaving Water Temp Indoor Air Quality Indoor relative Humidity Outside Air Temp Unassigned Unassigned DESCRIPTION Outputs Main Controller PCB1 Table 1 Control Inputs and Outputs CONTROLLERI ONO f NO DIP SWITCH SETTINGS ABBREV TYPE Water Econ TEA Switch No and Position LA x s FEET EE EE sr ream mamali Powered 2 pn Down per Jess Down T AA RMTOCC Switch closure 6 6 6 Up 6 Down 6 Down Up wr anao L s Up 8 Down Up a s s s s gt Addr 17 32 u 1 Up FLTS TTE NENNEN ERR z 3 19
49. ENSOR WIRING and wire these terminals to a set of normally closed contacts on the smoke detector ALARM ALARM AND WARNING WARN OUTPUTS TB2 50BV TB6 50XJ Two dry contacts output a dis crete signal when the alarm and warning lights on the display are lit To pick up the alarm output signal wire between the ALARM and ALM CM terminals To pick up the warning output signal wire between the WARN and ALM CM terminals Fig 3 Space Temperature Sensor Typical Wiring 33ZCT55SPT RED RED BLK BLK E J6 6k RED RED RED BLK BLK BLK 7 e SENSOR 1 SENSOR 2 SENSOR 3 SENSOR 4 SPACE TEMPERATURE AVERAGING 4 SENSOR APPLICATION 2 RED S eye RED ee BLK BLK 2 ecc e or i ee aaa nanana E bel Ech SENSOR 1 SENSOR 2 SENSOR 3 X 19 Di c 3 E RED e out eee d hi RED is A S Pre Gen Lo SENSOR4 SENSOR 5 SENSOR 6 3 1 IE LI LEGEND ed e ce etude Wiring BLK BLK tal E 5 SENSOR 7 SENSOR 8 SENSOR 9 SPACE TEMPERATURE AVERAGING 9 SENSOR APPLICATION
50. ESCRIPTION DISPLAY VALUE UNITS STATUS FORCE SCREENS OMNIZONE HWP01 32 Hardware points Table 1 Supply Air Temperature Duct Static Pressure Comp Status MUX Fire Alarm ShutDown Cond Water Flow Switch Remote Occupancy Duct High Press Switch Entering Water Temp Compressor 1 Relay Compressor 2 Relay Compressor 3 Relay Compressor 4 Relay Supply Fan VFD VFD Speed Signal Non Critical Fault Critical Fault Mixed Return Air Temp Dirty Filter Status Phase Loss Protection Ext Supply Air Reset Water Econ FreezeStat Space Reset Sensor VFD Bypass Enable Head Pressure Comp1 Ventilation Request VAV Terminals Control 2 position Econo Valve Reverse Head Press Ctrl Hot Water Valve Heat Interlock Relay Bypass Start Stop VAV Terminals Open MAX SAT DSP CSMUX FSD CDWF ROCC DHS EWT CMP1 CMP2 CMP4 F SPEED WARN ALARM MA_RA FLTS PHASE RESET FREEZ SPT BYPAS PRES 5 TRMCT Control MVLV HIR VENTR ECONO HWV BPS_S TRMOP OMNIZONE HWP33 64 Hardware points table 2 Cooling Tower Sump Temp Building Static Milliamp Condenser Leaving Water Indoor Air Quality Indoor Relative Humidity Outdoor Air Temp Heat Stage 1 Heat Stage 2 HEAT2 Heat Stage 3 HEAT3 Heat Stage 4 HEAT4 Pump Request Cooling Tower Request Exhaust Fan Ext Dehumidification Set Controller Address To set the address of the OMNIZONE System Control panel controller perform the following proce
51. GOS 61 Kee 5 54 6 nl r ME Bi d d 5 sf QN 8 489 THA 200 2810 eSdH ECONO MBV ISdi SNVHL H8 2 13A O QN TT e en u E SNVHL ba IvH HAAN vnov AL NOWINOO O O O st VFD2 0 501 0 7 GONH 0 7 GONO 02 65 2 SNJ 0 0ON4 06 1024 0 20 4 0 0 ont O c Re 07313 IBA ma QN3931 Sek d I SNVHL ADD OCDE ODC GN3D3T 9860071149 HIAWNN G M 33S ADVLIOA HOIH VIN 08 00 LLNO YIAWNN G M 33S LON 39144A SIHL HOA GATIVLSNI HIdINNP SALON er Lr LI OL DOO L Z Zr AV Idi WALSAS OL 99 32 uBiH X MASOS IN3931 9860071149 HIAWNN G M 33S ADVLIOA e89d HOS 88800 LLNO H38IATN G M 33S 39V EIOA MOT LOCH HOA 8 0011 H38IARN G M 33S SALON er zt Q LL gei 9 7 HdWOO 7010 r99 dOO1 LNIHHNO ct O zt Q O LE 1 P SNVHL Z010 200 78c dOO1 PSG z aae
52. Heat Stage 3 Output Logic Type Normal LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 10 sec DlyTim OMNIZONE HEAT4 Heat Stage 4 Output Logic Type Normal LogType Minimum Off Time 60 sec MinOff Minimum On Time 60 sec MinOn Delay Time 10 sec DlyTim Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information 47 DESCRIPTION OMNIZONE HIR Heat Interlock Relay Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE PUMP Pump Request Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE SF Supply Fan VFD Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE TOWER Cooling Tower Request Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE TRMCT VAV Terminals Control Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE TRMOP VAV Terminals Open MAX Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE VENTR Ventilation Request Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE WARN Non Critical Fault Output Logic Type Minimum Off Time Minimum On Time Delay Time OMNIZONE DSALM01 Duct High Pressure Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm
53. Indicates warning Automatic limit of xxx x dF or more MA RA MA_RA xx x dF outside ma_ra reads out of prescribed range for 5 sec Indicates warning Automatic limit of xxx x dF or more Phase Loss Phase monitor activates see Phase Unit shuts down indicates alarm Automatic PHASE Loss Reversal Protection Switch on page 5 for 5 sec during operation BYPAS switch in Bypass position or Off NOTES 1 Unit display will indicate alarm by displaying There is 1 Alarm or There are X alarms for the active alarms in the controller 2 Red light on indicating alarm 3 Yellow light is on indicating a warning Standard Diagnostic Features Alarm and Warning Lights SUPPLY AIR TEMPERATURE SENSOR FAILURE If the supply air temperature sensor fails and indicates either 245 F from a short or 40 0 F from and open sensor the control ler outputs will be forced to off with safety forces the alarm output will close and the red Alarm light will be lit A system alarm will be generated and displayed on the unit keypad Unit reset is automatic when the supply air sensor has a valid reading again DUCT STATIC PRESSURE SENSOR FAILURE If the duct static pressure sensor fails and indicates either 5 0 inches from a short or 0 0 inches from and open sensor the controller outputs will be forced to off with safety forces the alarm output will close and the red Alarm light will be lit A system alarm will be generated and displayed on th
54. LAY 50XJ PCB3 This relay is used to activate a tower fan BUILDING EXHAUST FAN SPEED CONTROL 50XJ PCB3 This output controls building exhaust fan speed HUMIDITY CONTROL RELAY 50XJ PCB3 This relay controls a humidifier or dehumidification device Wiring Control Devices Standard controls for the 50XJ require no field wiring Standard 50XJ controls include Supply Air Temperature SAT Duct Static Pressure DSP Duct High Static Limit Switch DHS Filter Status Switch FLTS Entering Water Temperature EWT Compressor Sta tus CSMUX Supply Fan Start Stop SF Supply Fan Speed SPEED and Mixed Air Return Air sensor RA NOTE The MA RA sensor will be located in the return air steam if the unit does not have a water economizer and in the mixed airstream if the unit is equipped with a water economizer For the 50BV unit standard controls include Duct Static Pressure DSP Duct High Static Limit Switch DHS Com pressor Status CSMUX Supply Fan Start Stop SF and Supply Fan Speed SPEED For the 50XJ unit optional controls will be wired to the field terminal blocks TB5 and provided Refer to Fig 2A and the descriptions below For the 50BV unit optional controls are wired to field terminal block TB2 as shown in Fig 2B EXTERNAL 0 TO 10 VOLT DC RESET SIGNAL RESET 50 PCB2 This field supplied 0 to 10 vdc signal is used to reset the 50XJ supply air temperature The cont
55. N SWITCH This switch is installed in the 50XJ unit when the economizer coil is provided In the event the freeze protection switch contacts open the ventilation request output will be closed for 15 minutes and the Warning light will light If the freeze protection switch contacts are still open after 15 minutes the supply fan will be stopped all compressor cooling will stop the economizer valve will open to 100 the pump request output will remain on and the Alarm light will light This will maintain condenser water flow through the coil to prevent freezing the coil while stopping all other operations that could have contributed or will be affected by the freeze condition Unit reset is automatic when the contacts on the freeze protection switch close again The contacts on the freeze protection switch open below 37 SUPPLY FAN STATUS Supply fan status is determined by the duct static pressure sensor If the fan is operating and a fan speed signal is sent to the variable frequency drive the duct static pressure must become greater than the supply fan status high set point SETPTO1 for the supply fan status software point to turn on When the duct static pressure becomes lower than the supply fan status low set point the supply fan status will indicate OFF If at any time the commanded state of the supply fan does not agree with the supply fan status for more than a minute a supply fan status warning will be issued and the warning
56. OMNIZONE 50BV020 064 50XJ064 104 Indoor Self Contained Remote Air Cooled and Water Cooled VAV Systems 18 to 100 Nominal Tons Controls Operation and Troubleshooting CONTENTS SAFETY CONSIDERATIONS 1 GENERAL nk ad odes e 1 MAJOR SYSTEM COMPONENTS 1 7 Comfort Controller Processor PCB1 1 Comfort Controller Module PCB2 2 Comfort Controller I O Module 2 Local Interface Display 2 PCB Addresses 2 Control Module Communication 2 Carrier Comfort Network Interface 4 Optional and Field Installed Accessory Sensors Devices 4 Wiring Control 6 CONTROLS AND FUNCTIONS 8 15 Using the Local Interface Display 8 Automatic Run 10 Power Up the LID Display 12 Log On to the LID Display 12 Change the Default Password 12 Set the Clock 12 Configure 13 Program Set Points 13 Check System Parameters 14 Display Alarm History 14 Configure Custom Programming Selections 14 Set Controller Address
57. Part 1 Alarm Message Part 2 Alarm Message Part Alarm Message Part 4 Power on Delay OMNIZONE DSALMO3 Freeze Protection Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALM04 Duct Static Failure Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information Configuration Screens cont VALUE UNITS PHASE SENSDIOO SENSDIOO 5 11010000 0 Phase Loss FREEZ SENSDIOO SENSDIOO 5 11010000 0 Economizer Freez e Condition DSP_ALM SENSDIOO SENSDIOO Normal 10 10 1 1 5 11010000 0 Duct Static Sens or Failure 49 sec sec min sec sec sec min sec sec min sec NAME Name Name Name A
58. Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory Configuration Screens cont VALUE UNITS NAME Normal LogType 60 sec MinOff 60 sec MinOn 5 sec DlyTim Normal LogType 5 sec MinOff 5 sec MinOn 5 sec DlyTim Normal LogType 30 sec MinOff 60 sec MinOn 10 sec DlyTim Normal LogType 5 sec MinOff 5 Sec MinOn 5 Sec DlyTim Normal LogType 60 sec MinOff sec MinOn sec DlyTim 60 5 Normal LogType 5 sec MinOff 5 sec MinOn 5 sec DlyTim Normal LogType 3 sec MinOff 3 sec MinOn 5 Sec DlyTim Normal LogType 4 sec MinOff 4 sec MinOn 10 sec DlyTim DHS Name SENSDI00 Name SENSDI00 Name Normal AlmLogic 15 sec DiyTim 10 sec Persist AlmProc min ReAImTim 1 Type 1 AlmLevel 5 AlmSrc 11010000 AlmRtg 0 AlmDesc Duct High Static Message Pressure Message Message Message sec PowerUp NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information 48 DESCRIPTION OMNIZONE DSALMO2 Phase Protection Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message
59. Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information FSD SENSDIOO SENSDIOO 5 11010000 0 Fire Shutdown 5 11010000 0 Check Condenser Water Flow FLTS SENSDIOO SENSDIOO Normal 5 11010000 0 Change Filters 50 Configuration Screens cont VALUE UNITS sec sec min sec sec sec min sec sec min sec NAME Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DiyTim Persist AlmProc ReAImTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp DESCRIPTION OMNIZONE DSALM08 Compressor 1 Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Mess
60. R2 HRN1 x LPS2 HPS2 FRZ2 323 324 325 326 327 329 PNK PNK PNK MUA PNK SG PNK DOON 8 EC HRN2 HRN2 332 333 335 334 BK CO GD BER Wat lt gt gt gt lt 6 weir HRN2 I 337 338 fo gt lt lt 5 o x HPS3 OLR3 HRN2 X LPS3 FRZ3 a 338 339 340 341 342 344 YEL YEL d i v i VEL X 8 E a 348 H 349 LX gE x2 K Go lt a om 98 LO o x OLR4 HRN2 m ub e O mH dun PA sss 1g B E GRA GRA GRA GRA GE GRA X5 GRA _5 BYPAS 359 361 93 LOY LC aaa k Yi NOTE 1 CUVL 362 363 364 PEK AO Naa AA E we WHT WHT we SNC E SWITCH SETTINGS 10 Open FRZ1 4 30 5 F 45 6 F 360 10 PSIG 264 15 PSIG 67 7 PSIG 50XJ 115V Control Wiring 39 USE COPPER SUPPLY WIRES POWER WIRING 50XJ 460 V Unit DISC TB1 VFD IFM 206 BLK L1 Orocumk T BeK Fut itk Oak 2 L2 498 TES io 4 C as lt GRN GRN GRN GND Jeleun Ey 15 Phase rotation _ 201 T Note 1 Note 1 sequence is ABC L1 L2 L3 Current Loop of CLO1 ci COMP1 127 128 129 BLK 207 J lk YELL YEL
61. Sensor Occupied High Humidity Switch High Humidity Setpoint High Humidity Sensor VAV Setpoint Reset Setpoint Setpoint Offset CCV Supply Air Setpoint Supply Air Temperature PID_Master_Loop Reference Output Proportional Term Integral Term Derivative Term Integrator Flags Task Timer OMNIZONE BSP Building Static Milliamp System Value Force Status Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE IAQ Indoor Air Quality System Value Force Status Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE CSMUX Comp Status MUX System Value Force Status Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name Maintenance Screens cont 1 8 LMALM03 59 Value Value Status LowSP ModLowSP ModHghSP HghSP RefOut TaskTimr Value Value Status LowSP ModLowSP ModHghSP HghSP RefOut TaskTimr Sysvalue Force Status AlmStat Value Value Value Status Value Value Value Setpoint Offset CCVVRF Value RefOut PTerm DTerm Flags TaskTimr Sysvalue Force HwStat AlmStat SenValue HwValue ChanNum AlgoName AlmName Sysvalue Force HwStat AlmStat SenValue HwValue ChanNum AlgoName AlmName Sysvalue Force HwStat AlmStat SenValue HwValue ChanNum AlgoName AlmNa
62. Setpoint Bias Setpoint Schedule Adaptive Optimal Start AO Start Enable Building Insulation Unoccupied 24hr Factor Offset Low Value Offset High Value Sensor Group SPT Sensor Time Schedule Outside Air Temp NTFC Algorithm Heating Algorithm Supply Air Temp Fan Status Adaptive Optimal Stop AO Stop Enable Maximum Stop Time Setpoint Bias Power on Delay Evacuation Pressurization OMNIZONE LMALM01 Supply air Sensor Monitored Input Point Alarm Inhibit Point Limit Check Low Limit High Limit Enable Delay Time Persistence Time Hysteresis Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information PUMP COOLOK SENSDIOO On Off 30 2 Normal 0 TOWER COOLOK SENSDIOO On Off 30 2 Normal 0 COMPRES COOLOK FAN CDWF On On 2 30 Normal VOLT 100 SETPTOS Disable 30 15 0 0 CTRLPT OCCPC01 _00 1 SAT SENSDIOO 25 150 15 10 5 Enable 0 1010000 55 NAME Name Name Name Sns1Sta Sns2Sta OffPrst OnPrst LogType PowerUp Name Name Name Sns1Sta Sns2Sta OffPrst OnPrst LogType PowerUp Name Name Name
63. TING o Fig 8 50BV VFD Display Function Keys 23 Table 15 Non Trip Messages for the 50BV VFD ERROR CODE PROBLEM POSSIBLE CAUSES REMEDIES OFF Note 1 ST terminal OFF The ST CC circuit is opened Close the ST CC circuit NOFF Undervoltage in main The supply voltage between R 5 and T is Measure the main circuit supply voltage circuit under voltage If the voltage is at a normal level the inverter requires repairing rtrY Retry in process The inverter is in the process of retry The inverter is normal if it restarts after momentary stop occurred several tens of seconds The inverter restarts automatically Be careful of the machine because it may suddenly restart Er Frequency point The frequency setting signals at points 1 Set the frequency setting signals at points setting error and 2 are set too close to each other 1 and 2 apart from each other CLr Press the STOP key again to clear the Clear command This message is displayed when pressing acceptable the STOP key while an error code is displayed EOFF Emergency stop The operation panel is used to stop the command acceptable operation in automatic control or remote control mode trip Press the STOP key for an emergency stop To cancel the emergency stop press any other key HI LO Setting error alarm error is found in a setting when data 15 e Check whether the setting is made An error code an
64. _RST MOD VLV 0 NO 1 YES MOD_ECON 0 CONST 1 VARIABLE FLOW_TYP 0 1 2 NONE MARA_SNS PHASE 0 NO 1 YES PHAS_SWT FREEZ 0 NO 1 YES FREZ_SWT ENABLE ECON ECON_SET SPT 0 NO 1 YES SPT_SNS PRES 0 NO 1 YES PRES_SNS TWR 0 NO 1 YES TWR_SNS LWT 0 NO 1 YES LWT_SNS IAQ 0 NO 1 YES IAQ SNS IRH 0 NO 1 YES IRH_SNS BSP 0 NO 1 YES BSP_SNS BSP Range H2O BSP BSP LOW VALUE in H2O BSP LOW LEGEND BSP Building Static Pressure CDWF Condenser Water Flow ECON Economizer EWT Entering Water Temperature IAQ Indoor Air Quality IRH Indoor Relative Humidity LWT Leaving Water Temperature MAT Mixed Air Temperature RAT Return Air Temperature SPT Space Temperature 1 Press ENTER The display should show Log in to Controller Logged in If this is not displayed Press EXPN EDIT displayed 2 Press the vi button The LID display will show Log out of Controller Press 1 Press ENTER to log off until it is OPERATION Occupancy Determination The OMNIZONE controller can determine occupancy in many ways Local occu pancy is determined by either a local schedule contained in the CC6400 controller the use of the ROCC discrete input point or by setting the Local Off Remote switch to Local In order for the CC6400 schedule or ROCC point to function the Local Off Remote switch must be set to Remote When the OMNIZONE unit is connected to a
65. a duct static set point measured at the Duct Static Pressure Sensor DSP The unit operates to provide conditioning to a set point When in Unoccupied mode the unit provides no cooling heating or controls to a setback set point FIRE ALARM PCB1 The fire alarm is a control voltage input to the 50XJ unit which causes the controller to shut the system down in the event of a fire CONDENSER WATER FLOW SWITCH 50XJ PCB1 This thermal dispersion type flow switch if factory installed is located in the unit waterline to ensure that there is waterflow before allowing the unit to start the compressor s If no flow is detected then compressor operation and economizer cooling is avoided until waterflow is again detected An warning light yellow is provided during this state HEAT INTERLOCK OUTPUT 50XJ PCB2 This output is activated whenever heating is activated commanding the VAV dampers to operate in heating control mode NOTE In order to this output to function the Terminal Occupied output must also be on TERMINAL OCCUPIED 50XJ PCB2 Terminal Occu pied is activated to command VAV dampers to control to the cooling set point Terminal Occupied must be on along with Heat Interlock for heating set point control to function EXTERNAL RESET INPUT 50 PCB2 This modu lating input 0 to 10 vdc allows remote adjustment upward of the Supply Air Temperature SAT sensor set point The default External Reset
66. age Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALMO9 Compressor 2 Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALM10 Compressor 3 Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information Configuration Screens cont VALUE UNITS C1_ALM SENSDIOO SENSDIOO 5 11010000 0 Compressor 1 fau It C2_ALM SENSDIOO SENSDIOO Normal 10 10 1 2 5 11010000 0 Compressor 2 Fau It C3_ALM SENSDIOO SENSDIOO Normal 10 10 1 2 5 11010000 0 Compressor 3 Fau 51 sec sec min sec sec sec min sec sec min sec NAME
67. all the items in that category Press ENTER to display the first maintenance decision Edit Mode Because the LID first displays items in Status mode when it is powered up the user must log on to the con nected CC6400 Controller and press the EXPN EDIT key to switch to Edit mode While in Edit mode the user can change the configuration of items For example the user could change the value of an al gorithm s configuration decision NOTE Not all items have configuration data If the item selected does not have configuration data pressing the EXPN EDIT key will have no effect The LID will display No configuration Accessing Items in Edit Mode The two ways to access items in Edit mode are the same as in Status mode except for an additional step pressing the EXPN EDIT key The user can access configuration data in Edit mode in two ways e Pressing the appropriate function key i e ALRM once to access a category i e alarms pressing EXPN EDIT and then continuing to press that key ALRM to scroll through all the items in that category i e Limit Alarm Set point Alarm Discrete Alarm First Out Alarm Runtime Alarm and Number of Starts Alarm NOTE Scrolling by repeatedly pressing the function key displays the name of all the items in that category whether or not they are actually configured Scr
68. amp Lights when sensorless Lights when the inverter is Lights when the Lights when the inverter is vector operation control operating Blinks when the inverter is in in parameter setting mode is running automatic acceleration deceleration monitor mode Monitor key is operating ECN lamp Displays operation Lights when energy saving mode is in operation P frequency parameters and error causes Charge Lamp Built in potentiometer lamp Indicates that high voltage is Built in potentiometer still present within the inverter Do not open the terminal board cover while this is lit Up down key lamp Pressing up or down key when this lamp is lit allows the setting of operation frequency Operation frequency can be changed when the built in potentiometer lamp is lit CS RUN key lamp N Pressing this key Every pressing of this key while the RUN key while the RUN key lamp is lit will cause a slowdown stop Lights when the RUN key is enabled lamp is lighted starts operations Fig 7 50BV VFD Display ALL OF THE BASIC PARAMETERS CAN BE SET BY THE SAME STEP PROCEDURES STEPS IN KEY ENTRY FOR BASIC PARAMETERS SWITCHES TO THE SETTING MONITOR MODE v SELECTS PARAMETER TO BE CHANGED Ed READS THE PROGRAMMED PARAMETER SETTING SAVES THE CHANGED VALUE OF THE PARAMETER SETTING CHANGES THE PARAMETER SET
69. ard activity for 10 minutes KEYPAD AND DISPLAY The LID consists of a keypad with 8 function keys 4 operative keys 12 numeric keys 0 to 9 and and a two line alphanumeric liquid crystal display LCD Each line on the LCD can display up to 24 characters See Fig 5 Table 4 defines the purpose of the LID s operative keys Table 5 defines the purpose of the LID s numeric keys Table 3 LID Function Keys OPERATIVE USE Status gives access to maintenance values and configuration data for points Alarm gives access to maintenance and configuration data for alarms History gives access to maintenance and configuration data for history system functions Service gives access to maintenance and configuration data for service system functions Setup gives access to configuration data for setup system functions Schedule gives access to maintenance on and configuration data for schedules Algorithm gives access to maintenance and configuration data for AO DO and global algorithms It also gives access to BEST custom programs a m 25 i lt 4 z 3 o 7 m 4 gt H 5 EEN Edit gives the capability to switch from Een Status mode to Edit configuration mode for the selected item LEGEND AO Analog Output DO Digital Discreet Output Table 4 Operative Keys OPERATIVE KEYS USE Clear perfor
70. ay should now show Compressor Stages 4 00 4 Press 4 and then ENTER to indicate that 4 compressors are installed 5 Use the down and up arrows to select the other configura tion parameters as required See Table 10 for a list of con figuration parameters 6 field supplied 0 to 10 vdc signal to the 50XJ unit may be used to reset the supply air temperature The reset will be taken off the supply air set point configured in the controller The reset range can be changed by adjusting the High Conversion Endpoint value of the custom voltage input to a value other than 20 For example for 10 degrees of reset change the Hi input value to 10 This may be found by pressing 7 STAT from the Keypad RESET will be the second custom voltage input point in the controller The first will be CSMUX which is the compressor status multi plexed input Press to see the following in the LID display Ext Supply Air Reset RESET Press ENTER If the LID display shows System Value Press EXPN EDIT The LID display will show Low Input Endpoint 2 0 Volts Press fw three times to get to the High Conversion Endpoint The user must be logged in to be able to change this otherwise you can only view it See the start up section for how to log into the controller Configuration parameters are shown in Table 10 Table 8 Controller Hardware Points D
71. before the fan starts COMPRESSOR COOLING If the fan is on and there is no demand for Heat the equipment mode MODE will be COOL and Cooling COOLOK will switch to ENABLE If the unit is configured for variable flow the Reverse Head Pressure CTRL valve will open otherwise it will already be open and if there is condenser water flow CDWF is YES then the Fan Condenser water flow point will become TRUE and the Compressor Cooling COMRES point will switch to Enable COMRES triggers the compressor staging routine that controls the number of compressors energized Units are equipped with 4 compressors piped in separate refrigerant circuits and staged On Off in a fixed sequential manner compressor no through compressor no 4 The compressor control routine uses a PID calculation to determine the percent age of cooling required from 1 to 100 Demand for the PID calculation is determined from the supply air temperature and the supply air set point SETPTO6 Compressor cooling COMPRES will be turned off for any of the following reasons There is no condenser water flow is Off Economizer Freezestat FREEZ has been in alarm for more than 15 minutes MODE changes to heat OK FAN turns off during normal shut down During normal compressor operation the minimum on time 15 5 minutes and the minimum off time is 5 min ECONOMIZER COOLING 50XJ The unit diverts con denser inlet wa
72. ceive 5 vdc It is a normally open discreet switch with adjustable manual setting at the switch range is to 5 in wg Upon switch closure the controller immediately turns all outputs Off including fan and then indicates an alarm both by turning On its Alarm Output Red Alarm light and via communications DIRTY FILTERS SWITCH DFLTS 50XJ This switch measures the change delta in air pressure across the filters When the delta increases beyond the preset setting a yellow warning light will be lit indicating that the filters need cleaning or replacement The switch receives 5 from the unit controller and monitors air pressure delta across the return air filters Switch is normally open with manually adjustable setting at the switch between 0 5 and 1 5 in wg Upon closure controller should wait to assure closure for minimum 1 minute then indicate an alert via its non critical alert output and via communications All other unit operation should remain normal COMPRESSOR OVERLOAD COL SAFETIES Each compressor circuit is provided with a temperature overload board Copeland Protector Bd a Current Overload Sensor Board COL High Pressure Switch HPS Low Pressure Switch LPS and Evaporator Freeze Switch EFS These devices are wired in series to the contactor for each compressor Each such circuit is then wired through a common resistor board such that any one or more input s to the main controller allows it
73. controller will also test or to see if there is water flow when the unit is not operating If there is no flow when the unit is operating or if there is flow when the unit is not operating the warning relay will energize and the yellow light will be lit If only loss of flow indication is desired the configuration for the flow switch may be set to no and the controller will only energize the warning relay and turn on the yellow light if there is a loss of flow while the unit is in operation DIRTY FILTERS INPUT This air pressure delta switch is factory installed in the 50XJ unit It receives 5 vdc from the unit controller and monitors air pressure delta across the return air filters Switch is normally open with manually adjustable setting at the switch between 0 5 to 1 5 in wg Upon closure controller should wait to assure closure for minimum 1 minute and then indicate an alarm both via its Alarm Output and via communications However all other unit operation should remain normal 29 A phase loss reversal switch may be installed in the unit to detect over under voltage conditions and phase loss or reversal Upon switch opening the controller outputs will be forced to off with safety forces the alarm output will close and the red Alarm light will be lit A system alarm will be generated and displayed on the unit keypad Unit reset is automatic when the voltage and power phases have been restored ECONOMIZER COIL FREEZE PROTECTIO
74. d reading or writing correctly data are displayed alternately twice each db DC braking DC braking in process e Normal if the message disappears after several tens of seconds See Note 2 In It Parameters in the e Parameters are being initialized to default e Normal if the message disappears after a process of initialization values while several seconds to several tens of seconds Setup parameters in Setup parameters are in the process of e Normal if the message disappears after a the process of being set being set while several seconds to several tens of seconds Atn Auto tuning in process Auto tuning is in process e Normal if the message disappears after several seconds NOTES 1 ST Terminal of stand by function 2 When the ON OFF function is selected for DC braking DB using the input terminal selection parameter you can judge the inverter to be normal if db disappears when opening the circuit between the terminal and CC Table 16 Trip Messages for 50BV VFD ERROR COMMUNICATION CODE PROBLEM POSSIBLE CAUSES OC1 1 Overcurrent during The acceleration time ACC is too short acceleration The V F setting is improper A restart signal is input to the rotating motor after a momentary stop etc A special motor e g motor with a small impedance is used 0 2 2 Overcurrent during The deceleration time is too short deceleration During deceleration 0C3 3 Overcurrent during The
75. dure 1 Press 7 and then EXPN EDIT 2 Type in CCN element number and press ENTER 3 Press the vi button Type in the CCN bus number and press ENTER Press ENTER and then Log Off from Controller To log off from the OMNIZONE System controller Press 3 and then SET The controller password will be displayed 15 Table 9 Software Points DESCRIPTION DISPLAY VALUE UNITS STATUS FORCE NAME SCREENS OMNIZONE SWP65 96 Software Points Compressor 1 Status CLO1 Compressor 2 Status CLO2 Compressor 3 Status CLO3 Compressor 4 Status CLO4 Bypass Acc Panel Secure BP SAFE DX VAVRESET control VAVRESET Factory Field Test FLDTST Building Static Pressure BSP IN Time Clock TIMCLOCK Cooling COOLOK Supply Fan Status Control SFS Ok to run Fan OKFAN OK Fan Sup Fan Stat SF SFS Fan Cond Water Flow FAN CDWF Equipment Mode Control MODE Activate Evacuation Mode EVAC Space Control Point CTRLPT Mod Econ Enabled Head Pressure Control Economizer Control Temp Compressor Cooling Duct Static Failure Compressor 1 Alarm Compressor 2 Alarm Compressor 3 Alarm Compressor 4 Alarm Cond Flow Alarm Status Control ECON OK Control HEAD Control CDWF_ST Table 10 Configuration Parameters DESCRIPTION NAME Compressor Stages NUM CMP Reset Ratio RSET RTO CDWF 0 NO 1 YES CDFW_SWT ECON 0 NO 1 YES EWT_SNS EWT Reset 0 NO 1 YES EWT
76. e TotalStg OnDelay OffDelay PowerUp DESCRIPTION OMNIZONE EHVAVO 1 DO Elec Heat 01 Discrete Output Point 1 Discrete Output Point 2 Discrete Output Point 3 Discrete Output Point 4 Discrete Output Point 5 Discrete Output Point 6 Fan Status Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule High Humidity Switch Humidity Setpoint High Humidity Sensor Duct Temperature Duct High Limit Occupied Heating PID Master Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Heating Setpoint Offset Staging Control Total Number of Stages On Time Delay Off Time Delay Power on Delay OMNIZONE HCVAVO 1 AO Heating 01 Heating Coil Valve Fan Status Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule Heating Setpoint Offset High Humidity Switch Humidity Setpoint High Humidity Sensor Occupied Heating PID Master Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Supply Air Temperature Submaster Loop Proportional Gain Disabled Output Value Minimum Output Value Maximum Output Value Center Value Block Iteration Rate Power on Delay OMNIZONE INTLKO1 OK to run Fan Discrete Output Point Discrete Input Point 1 Discrete Input Point 2 Discrete Interlock Input 1 Comparison
77. e unit keypad Unit reset is automatic when the supply air sensor has a valid reading again FIRE SHUTDOWN INPUT FSD This is a normally closed input which when opened deenergizes an isolation relay in the unit opening the input to the controller When this input turns opens all control outputs are immediately turned off including the fan Fire forces will be displayed on the outputs Unit reset is automatic when the FSD input is closed 28 again A system alarm will be generated and displayed at the keypad DUCT HIGH STATIC INPUT DHS This air switch provides over pressurization protection for the ductwork It is factory installed in the unit The switch is a normally open switch with adjustable manual setting range is 1 to 5 in wg default setting is 3 0 in wg Upon switch closure the control ler outputs will be forced to off with safety forces the alarm output will close and the red Alarm light will be lit A system alarm will be generated and displayed on the unit keypad Unit reset is automatic when the duct pressure is again below the switch setting minus the device hysteresis COMPRESSOR MULTIPLEX MUX BOARD re sistance board is used to generate a variable voltage input to the controller to determine compressor status If the voltage output from this board gets out of the acceptable range the controller outputs will be forced to off with safety forces the alarm output will close and the red Alarm light
78. ecrease the setting value less than OFF Displayed whenever the ST CC connection is open pOFF Displayed when the VFD control power supply voltage is too low nOFF Displayed when the VFD s main DC bus voltage is low ee tries to automatically restart after a non critical trip Err1 CLr pressed ONCE after a trip EOFF been pressed ONCE when in terminal control mode CtrL been pressed once when in local control mode while the VFD is running HI the parameter s maximum value LO the parameter s minimum value PASS Displayed if the correct password is entered at the password prompt Err Displayed if an incorrect password is entered at the password prompt E1 Displayed when the VFD attempts to display a number that exceeds four numerical digits db Displayed when DC injection braking is being executed dbon Displayed when motor shaft stationary control is being executed FJOG Displayed when in forward JOG mode rJOG Displayed when in reverse JOG mode L VFD motor overload pre alarm display C Overcurrent pre alarm display P Overvoltage pre alarm display H Overheat pre alarm display t Option board communication alarm display Init Displayed when the VFD is initializing values during resetting power up 20 LED MESSAGE CPU IV PCB RAM ROM U phase V phase W phase nErr OC1 OC2 OC3 OC1P OC2P OC3P OCL OCA1 OCA2 OCA3 OP1 OP2 OP3 OLIn OLnt OCr OLr OH E EEP1 EEP2 Err2 Err3 Err4 Err
79. ence Output RefOut Proportional Term PTerm Integral Term ITerm Derivative Term DTerm Integrator Flags Flags Task Timer TaskTimr OMNIZONE ADAPTO2 Head Pressure control Analog Output Point Control Value Status Point Control Value Occupied Status Reset Point Value Controlling Setpoint RefOut Control Point Value PID Master Loop Reference Output RefOut Proportional Term PTerm Integral Term ITerm Derivative Term DTerm Integrator Flags Flags Task Timer TaskTimr OMNIZONE ADAPTOS Building Pressure Ctrl Analog Output Point Value Status Point Value Occupied Status Reset Point Value Controlling Setpoint RefOut Control Point Value PID Master Loop Reference Output RefOut Proportional Term PTerm Integral Term ITerm Derivative Term DTerm Integrator Flags Flags Task Timer TaskTimr 58 DESCRIPTION OMNIZONE ANCTLO1 Supply Fan Status Discrete Output Point Sensor Group SPT Sensor Occupied Analog Low Setpoint Lo Setpoint Hyst Hi Setpoint Hyst High Setpoint Reference Output Task Timer OMNIZONE ANCTLO2 Humidity Control Discrete Output Point Sensor Group SPT Sensor Occupied Analog Low Setpoint Lo Setpoint Hyst Hi Setpoint Hyst High Setpoint Reference Output Task Timer OMNIZONE BSP_IN Building Static Pressure Typical Analog Software point System Value Force Status Alarm Status OMNIZONE CCVAVO1 Modulating Economizer Control Cooling Coil Valve Fan Status Point Sensor Group SPT
80. essor Control Relay Compressor Signal Multiplexer Comp Status UVC Light For Indoor Coil Area External Dehumidification Duct High Static Limit Switch Disconnect Switch Door Switch Duct Static Pressure Transducer Economizer Valve Damper Control Entering Water Temp Sensor Filter Status Switch NOTES FREEZ FRZ FSD FU GND HEAT HIR HPS HRN HWV IFM J LPS MA_RA OLR PCB1 PCB2 3 PHASE PUMP RESET ROCC LEGEND Freeze Thermostat Water Economizer Freeze Thermostat DX Circuit Fire Alarm Shutdown Fuse Ground Electric Heat Stage Control Heat Interlock Relay High Refrigerant Pressure Switch Harness Hot Water Valve Indoor Fan Motor Jumper Wire Low Refrigerant Pressure Switch Mixed Return Air Temp Sensor Modulating Valve Econ Heat Pres Ctl Compressor Motor Protector Unit Control Board Expansion Board Phase Rotation Monitor Water Pump Request External Reset Remote Occupancy 1 Partial wiring shown on both power and control diagrams All class 2 transformers are wired into separate circuits Do not interconnect these transformers or circuits circuit separation shall be maintained SAT SPT SF SPEED sw TB1 TB2 TB3 TB5 7 TOWE R TRMCT TRMOP VENTR VFD WARN Supply Air Temp Sensor Space Zone Temperature Sensor Supply Fan Start Stop Relay 0 10 VDC Signal Isolator for VFD Switch Transformer Power Distribution Termi
81. essor cooling will stop the economizer valve will open to 100 the pump request output will remain on and the alarm light will light This will maintain condenser water flow through the coil to prevent freezing the coil while stopping all other operations that could have contributed or will be affected by the freeze condition Unit reset is automatic when the contacts on the freeze protection switch close again The contacts on the freeze protection switch open below 37 F TOWER SUMP TEMPERATURE SENSOR 50XJ PCB3 This sensor is used for monitoring only the tower sump temperature LEAVING WATER TEMPERATURE SENSOR 50XJ PCB3 This sensor is used for monitoring only the leav ing water temperature BUILDING STATIC PRESSURE SENSOR 50XJ PCB3 This sensor is used to control both the speed of the building exhaust fan and the building static pressure INDOOR AIR QUALITY SENSOR 50XJ PCB3 This sensor monitors CO levels INDOOR RELATIVE HUMIDITY SENSOR 50XJ PCB3 This sensor monitors and controls the humidity control relay OUTDOOR AIR TEMPERATURE SENSOR 50XJ PCB3 This sensor is used to monitor outdoor air and broadcast the value over the Carrier Comfort Network CCN STAGE HEAT RELAYS 50XJ PCB3 These relays con trol up to four stages of electric heat or other heating methods PUMP REQUEST RELAY 50XJ PCB3 This relay turns on a tower pump when requested TOWER REQUEST CONTROL RE
82. eturn Mixed air sensor is in the mixed airstream and configured as such and there is no Space temperature sensor installed and no Linkage the Space Control Point will display a default value of 75 F which is above the default occupied cooling set point and below the unoccupied cooling set point If this condition exists supply air reset from a sensor and unoccupied unit operation will not occur If the unit is configured to use a sensor for the Space Control Point or if Linkage is active and the space has unoccupied demand the software point OKFAN will turn on followed by the points TRMCT for air terminal control and PUMP and TOWER to request condenser water flow and temperature control Approximately 20 to 30 seconds later the SF point will turn ON and then the VFD output SPEED will increase If unoccupied demand is the reason the fan is on a control force will appear next to the OKFAN point Otherwise there should not be a force on that point If the fan is running due to unoccupied heating or cooling demand either the space temperature if installed return air temperature or average linkage temperature must rise or drop to within half way between the occupied and unoccupied set points in order for the fan to turn back off Enabled by Switching to Local Mode When the switch is placed in the local mode the ROCC point will indicate enable If ROCC is ENABLED a software routine will override the occupancy schedule so that TIMECLOCK wi
83. f the keys and display LEDs The 4 character LED displays various values depending upon what mode is running In Standard Monitor mode the LED displays the current output frequency In Status Monitor mode monitors the status conditions and frequency command value setting In Setup mode displays setup parameter titles and values During a trip displays the trip title The appropriate local remote LED which is inset into the speed control key is lit when the unit is in local or remote mode KEY FUNCTIONS Refer to Fig 8 for the functions of each key on the keypad NON TRIP MESSAGES Non trip messages are those that may be displayed but do not cause a trip and are not recorded in the fault history Table 15 lists the non trip messages with their explanations Load current monitor monitor 2 Input voltage V monitor monitor 3 PO Output voltage V monitor monitor 4 Input terminal status monitor Input terminal status monitor Output terminal status monitor Total RUN time monitor Past trip 1 monitor Past trip 2 monitor Past trip 3 monitor Past trip 4 monitor Return to the top menu item Switch to mode selection menu Program mode Select Status Monitor mode title with U D keys Enter Status Monitor mode by pressing R W First monitor item motor run direction is displayed Pressing UP DOWN views next previous status variable Frequency command value disp
84. frigerant circuit Refrigerant pressure is measured at compressor circuit no 1 by a Discharge Pressure Sensor DPS Units not equipped with a water economizer can be ordered with the reverse head pressure control valve factory installed and a pressure transducer located in the discharge line of compressor no 1 When the condenser water temperature gets low enough to cause the head pressure to drop the valve will be modulated to control the head pressure of all four compressors by varying the water flow through the condensers When the unit is operating and the COOLOK software point is enabled and the EWT gets below 60 F the Head software point will become enabled and the head pressure control valve will modulate to keep the head pressure at the head pressure set point SETPT04 The default set point is 225 PSI and may be set from 200 to 250 PSI The minimum output value for the head pressure control algorithm is 40 in order to maintain a minimum flow through the condensers The valve will modulate between 40 and 100 Do not set the minimum lower than 40 or the compressors may shut down due to low flow resulting in the high pressure switch tripping VENTILATION REQUEST 50XJ The ventilation request output will close a set of relay contacts to activate a ventilation damper whenever the supply fan and supply fan status are both true and the TIMECLOCK software point is on VAV TERMINAL OPERATION OUTPUT 50XJ The VAV termina
85. ges Reset Ratio CDWF 0 NO 1 YES ECON 0 NO 1 YES EWT Reset 0 NO 1 YES MOD VLV 0 NO 1 YES 0 CONST 1 VARIABLE O RAT 1 MAT 2 NONE PHASE 0 NO 1 YES FREEZ 0 NO 1 YES ENABLE ECON SPT 0 NO 1 YES PRES 0 NO 1 YES TWR 0 1 LWT 0 NO 1 YES IAQ 0 NO 1 YES IRH 0 NO 1 YES BSP 0 NO 1 YES BSP Range BSP LOW VALUE Setpoints OMNIZONE SETPTO 1 Supply fan Status Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPT02 VAVRESETbaseline Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPTO3 Heat Cool Mode amp Reset Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPT04 Head Pressure Control Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPT05 Supply Static Pressure Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPT06 Supply Air Temperature Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPTO7 Building Static Pressure Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPT08 BSP raw control Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint OMNIZONE SETPTO9 Humidity Control Occu
86. handling rigging and setting this equipment and in handling all electrical components A WARNING Electrical shock can cause personal injury and death Shut off all power to this equipment during installation and service There may be more than one disconnect switch Tag all disconnect locations to alert others not to restore power until work is completed CAUTION This unit uses a microprocessor based electronic control system Do not use jumpers or other tools to short out components or to bypass or otherwise depart from rec ommended procedures Any short to ground of the con trol board or accompanying wiring may destroy the electronic modules or electrical components GENERAL This publication contains Start Up Controls Operation and Troubleshooting information for the 5OBV XJ units These OMNIZONE packaged units are self contained water cooled or remote air cooled indoor units for use in VAV variable air volume applications Units are equipped with Comfort Controller 6400 CC6400 system controls Refer to the unit Installation Instructions for unit layout MAJOR SYSTEM COMPONENTS Comfort Controller Processor PCB1 The central processing unit for the OMNIZONE system control is the Comfort Controller 6400 The Comfort Control ler provides general purpose HVAC heating ventilation and air conditioning control and monitoring capability in a stand alone or network environment using closed loop d
87. ilure occurred in the output of the main circuit A phase failure occurred in the input line of the main circuit REMEDIES Insert a suitable input reactor Install a dynamic braking resistor Increase the acceleration time ACC Reduce the DC braking amount F251 and the DC braking time F252 Check the V F parameter setting Use F301 auto restart and F302 ride through control Use an inverter with a larger rating Check the V F parameter setting Check the load operated machine Adjust OLN to the overload that the motor can withstand during operation in a low speed range Check the main circuit output line motor etc for phase failure Enable F605 Output phase failure detection Check the main circuit input line for phase failure Enable F608 input phase failure detection External thermal A thermal trip command is entered from Check the external input device an external input device E p trip The load torque rises up to the over torque detection level during operation The deceleration time is too short The dynamic braking amount is too large E braking resistor overload trip Overheat UP1 main circuit Undervoltage trip EPH1 ne Input phase failure The cooling fan does not rotate The ambient temperature is too high The vent is blocked up A heat generating device is ins
88. in A N Bio L SE lo m o Hin m 3 o 0 10 4 20 m Hin lo DO AO Se 5 2 gm CN ome BH o DO AO J3 18 N 17 0 16 0 15 69 140 13 129 11 10 90 8 70 6 Q 50 4G 3 C9 209 1 24 V TRAN GRN Exhaust Fan Control 4 20 mA Outdoor Air Temperature Indoor Relative Humidity T 5 tal Indoor Air Quality Leaving Water Temp Otten Building Pressure 2 50BV XJ Accessory Control Module PCB3 Schematic 41 LEGEND AND NOTES FOR ALL 50XJ WIRING DIAGRAMS ALARM Unit Alarm Relay Critical Fault ALM CM Alarm Warning Relay Common BPS_S Fan Start Stop Relay BYPAS CDWFS CH CLO CMP COMP CSMUX CUVL DEHUM DHS DISC1 DS DSP ECONO EWT FLTS VFD Bypass Mode VFD Bypass Control Compressor Contactor Circuit Breaker Condenser Waterflow Relay Condenser Waterflow Switch Crankcase Heater Compressor Lockout Control Compr
89. ing Warmup PID_Master_Loop Reference Output Proportional Term Integral Term Derivative Term Integrator Flags Space Setpoint Staging Control Number of Stages Requested Stages Delta Stages Delay Timer PID Integrator Clamp Task Timer Maintenance Screens cont VALUE UNITS STATUS FORCE 61 Value Value Value Value Value Value Value Value Status Value Value Value Setpoint Offset DODXRF Value RefOut PTerm DTerm Flags NumStgs RegStgs DitaStgs DlyTimer PIDClamp TaskTimr Value Value Value Value Value Value Value Value Status Value Value Value Value Value RefOut HeatFlg RefOut PTerm ITerm DTerm Flags Value NumStgs ReqStgs DitaStgs DlyTimer PIDClamp TaskTimr Maintenance Screens cont DESCRIPTION VALUE UNITS STATUS FORCE NAME OMNIZONE HCVAV01 AO Heating 01 Value Control Value Value Status Value Value Value Value RefOut HeatFlg RefOut PTerm ITerm DTerm FLAGS HCVVRF Value RefOut PropTerm SubmFlag TaskTimr Heating Coil Valve Value Value Value RefOut TaskTimr Fan Status Point Value StrtBias CoolKFct HeatKFct StartDay BiasTim BiasOcc CoolFlg Value Status Value Mode BiasFlag NxtOcDay NxtOccT NxtUnDay NxtUnoT PrvUnDay PrvUnoT Status Override OccLow OccHgh UnoccLow UnoccHgh Link Value Value LinkStat Supe Adr Supe Bus BlockNum OcHiStpt UnLoSipt UnHiStpt AZT AOZT S
90. ing and some of the other algorithms will also follow and cannot be modified in the algorithm configuration screens Setpoint 07 is the building pressure set point for the building pressure control of a variable speed exhaust fan from a field supplied module Only the Occupied Low set point may be modified the other values will change to the Occupied low value shortly after it is modified so that all the values remain the same Setpoint 08 is the raw milliamp set point for the build ing pressure control and is tied to Setpoint 07 for the sensor range selected in the custom programming configuration Several choices of building static pressure sensors may be purchased and supplied for building pressure control Setpoint 09 is used for the humidification dehumidification output from a field supplied module This set point may be modified to enable the Humidity output to either humidify or dehumidify when the indoor relative humidity IRH exceeds the set point Table 7 lists the available controller set points and their default values Pressing the CLEAR button will take the user out of the set point configuration mode Table 7 Controller Set Points DESCRIPTION DISPLAY VALUE UNITS STATUS NAME SCREENS OMNIZONE SETPT01 Supply fan Status Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT02 VAVRESETba
91. ing automatic operation or remote e Reset the inverter operation a stop command is entered from the operation panel or a remote input device Err2 Main unit RAM fault The control RAM is defective Make a service call Err3 Main unit ROM fault The control ROM is defective Make a service call Err4 CPU fault trip The control CPU is defective Make a service call Err5 18h Remote control An error arises during remote operation e Check the remote control device error cables etc EtYP Inverter type error e The control circuit board main circuit a service call board or drive circuit SCH is replaced EEP1 EEPROM fault A data writing error occurs Turn off the inverter then turn it on again If it does not recover from the error make a service call Auto tuning error Check the settings of the motor parameters F401to F408 Check that the motor is not two or more sizes smaller in capacity than the inverter Check that the inverter output cable is not too thin Check that the motor is not running Check that the motor is a three phase inductive motor With a parameter you can choose between trip on oft NO During operation the following alarms may be displayed which have the same meaning as previously defined alarms overcurrent alarm same as OC overvoltage alarm same as OP eL overload alarm same as OL1 OL2
92. irect dig ital control The Comfort Controller 6400 has been pre pro grammed to work in either stand alone or CCN Carrier Com fort Network system installations The CC6400 processor is designed to provide heating and cooling control loop control scheduling and custom program ming The main processor provides 16 field points 8 input and 8 output Additional points are provided by the I O modules described on page 2 Table 1 lists the control inputs and outputs for all CC6400 modules Specifications for the Comfort Controller 6400 may be found in the Comfort Controller literature Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 535 00137 1 1 111 Tab 2a 2b Printed in U S A Form 50BV XJ 2T Pg 1 2 04 Replaces 50BV XJ 1T Comfort Controller UO Module PCB2 This input output module is factory installed in the 50XJ unit and allows additional field points 8 inputs and 8 outputs VFD variable frequency drive Bypass VAV Terminals Control Building Ventilation and Heating Interlock Comfort Controller UO Module PCB3 This accessory control input output module can be ordered separate ly and field installed in the 50XJ unit This module allows the addition of the following field installed sensors Tower Sump Temperature Sensor Leaving Water Temperature Sensor Building Pressure Sensor CO
93. is shut down and replaced a third time This time it is held off for 15 minutes If the problem compressor does not operate successfully for the 10 minutes of normal run time this third time this compressor ONLY is shut down and locked out for servicing Alarm output Red light flashes and then remains on HIGH PRESSURE SWITCH HPS This switch is located in the discharge refrigerant line of each compressor and is set to open at pressures above 360 psig It is wired in the 115 vac control power line of the compressor contactor in series with the LPS and EFS and activates the COL board above when it opens LOW PRESSURE SWITCH LPS The Low Pressure Switch is located in the suction refrigerant line of each compressor and is set to open at pressures below 27 psig It is wired in the 115 vac control power line of the compressor contactor in series with the HPS and EFS and activates the COL board above when it opens EVAPORATOR FREEZE SWITCH EFS This is a thermal disk type switch mounted on a return bend of the evaporator refrigerant circuit for which corresponds to each respective compressor and is set to open at temperatures below 28 F It is wired in the 115 vac control power line of the compressor contactor in series with the HPS and activates the COL board above when it opens COPELAND PROTECTOR BOARD This board is pro vided with each compressor installed in the terminal box since these compres
94. isplayed As optional points RUN STOP displaying the frequency status and switching to local remote and manual auto modes can be performed MANUAL MODE To override the automatic unit controls and manually operate the fan from the VFD display press keys for MANUAL run mode LOCAL speed control and press the Up or Down arrow keys to increase or decrease CC terminals are not shorted OFF will be displayed KEY LOCAL REMOTE SPEED CTRL MANUAL AUTO RUN MODE SETUP PROGRAM MONITOR READ WRITE RUN STOP RESET LED MESSAGE output frequency Table 11 Keys and Functions for 50XJ VFD FUNCTION Local Remote Key Switches the source of frequency command information from panel terminal block The appropriate LED is lit to indicate local or remote frequency command Manual Auto Key Switches the source of run stop command information from panel terminal block The appropriate LED is lit to indicate manual or auto run stop command Setup Program Monitor Key Toggles between Setup Program Monitor and Frequency Mode Read Write Key Mode group parameter data and frequency selection key This key is used to select or enter a parameter value a frequency command or a group name Up Key Scrolls up the setting of the currently displayed parameter If the key is held down the scrolling speed gradually increases Only R
95. it diverts con denser inlet waterflow through an optional economizer coil to precool evaporator entering airflow If the entering water temperature is colder than the setting on the Aquastat and the return air temperature is warmer than the setting on the return air thermostat the two position diverting valve will direct water to the economizer coil Economizer water flow is in series with the condensers allowing compressor operation while the economizer is operating COOLING RESET 50XJ The controller can reset the supply air set point using these three methods Anexternal 0 to 10 volt input RESET The value of the space control point Linkage The external 0 to 10 volt input reset is configured to produce a 0 to 20 degree supply air reset over the 2 to 10 volt range If more than 1 8 volts is sensed on the input this method of reset takes priority over other methods 17 NOTE The reset from all methods may be limited to 10 F or 15 F by changing the high end point of the custom voltage input from the default 20 F to 15 For 10 F Either the return air or a space temperature sensor will be used as the space control point If this variable goes below the Occupied High set point in the HEAT COOL MODE AND RESET set point then for each degree that the Space control point is below the set point value the supply air set point will be reset by the value configured in the custom configuration RESET RATIO
96. itch on smaller units with one controller CSMUX x xx Volts outside Compressor safety circuit Resistor Board Unit shuts down and indicates Automatic CSMUX limit of x xx Volts reads out of prescribed range for 5 sec alarm during operation CDWF Check Condenser Water Flow Waterflow Switch contacts are open at startup Compressor Cooling shuts down Automatic or go open for 5 sec during operation locks out and indicates warning FLTS Change Filters Filter pressure drop exceeds Filter Pressure Unit operates normally Automatic Switch setting and contacts open for 5 sec but still indicates Warning Economizer Freeze Condition Economizer Freeze Switch contacts for 5 sec Warning indicated for 15 minutes Automatic open during operation turns off ventilation request then FREEZ unit shuts down and Econo valve opens pump request stays on and Alarm indicated C1 ALM Compressor 1 Fault Compressor safety circuit opens for 2 sec Unit shuts that compressor down Automatic C2 ALM Compressor 2 Fault and indicates Warning but retries C3 ALM Compressor 3 Fault 2 more times before locking it out CA ALM Compressor 4 Fault Check Supply Fan Duct Pressure Sensor reading is below 3 in If on but indicates off cooling Automatic SFS H2O at 10 sec after starting fan or during and heating will be disabled operation or reads above 3 when fan is warning light will be on supposed to be Off EWT EWT xx x dF outside EWT reads out of prescribed range for 5 sec
97. ithin one building the resulting continuous shield must be connected to ground at only one single point If the communi cation bus cable exits from one building and enters another building the shields must be connected to the grounds at a lightning suppressor in each building one point only Optional and Field Installed Accessory Sensors Devices The 50XJ unit can be ordered with options and accessories that add functionality and control These options and accessories are controlled by the CC6400 system as described below NOTE The CC6400 Control software includes all PCB1 functions and most of the sensors devices associated with those functions are factory installed However some 1 sensors devices must be field connected to the proper terminal PCB2 devices are field installed accessories The CC6400 software includes these functions but the actual sensor device must be installed and wired in the field PCB3 is an accessory control module All PCB3 sensors devices and software are field installed Table 2 Communication Cable Recommendations MANUFACTURER PART NUMBER Alpha 2413 or 5463 American A22503 Belden 8772 Columbia 02525 REMOTE OCCUPANCY CONTROL PCB1 This con trol is a field located switch controller or timer input which when activated tells system when to switch from Unoccupied to Occupied mode When in Occupied mode the unit turns on the supply fan and controls supply fan speed to maintain
98. k 0 Period 5 Occupied from 0 00 Period 5 Occupied to 24 00 00 Period 6 Day of Week 0 Period 6 Occupied from 0 00 Period 6 Occupied to 24 00 00 Period 7 Day of Week 0 Period 7 Occupied from 0 00 Period 7 Occupied to 24 00 00 Period 8 Day of Week 0 Period 8 Occupied from 0 00 Period 8 Occupied to 24 00 00 Push Button Override LATCHI00 Thermostat Override _100 Time Delay Timed Override Duration Power on Delay OMNIZONE STPR 01 Supply Fan Speed Analog Output Point Fan Status Point Duct Static Pressure Static Pressure Setpoint PID_Master_Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Power on Delay 2 01 DO Time Clock 01 Discrete Output Point TIMCLOCK Time Schedule LINK 01 Loadshed LDSHD00 Duty Cycle Duty Cycle Enable Disable First Minute of Hour Second Minute of Hour Occupied Off Duration Unoccupied Off Duration Minimum Off Time Redline Bias Time Power on Delay OMNIZONE VPIOC I O 4 Faults Compressor Status Reschedule Rate Power on Delay Critical Fault Reschedule Rate Power on Delay Fire Shutdown Reschedule Rate Power on Delay Non Critical Fault Reschedule Rate Power on Delay Compressor Fault Test Reschedule Rate Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration inf
99. l control output TRMCT closes a set of relay contacts to indicate to non Carrier air terminals that the fan is either forced on or is going to turn on This signals the terminals to open and start controlling to the desired CFM and Temperature set points VAV TERMINAL OPEN OUTPUT 50XJ The VAV ter minal open output TRMOP closes a set of relay contacts to command the air terminals to open to maximum CFM at times when the fan is operating on the VFD Bypass PUMP AND TOWER OUTPUTS 50XJ The pump and Tower outputs close a set of relay contacts to indicate that the 50XJ unit is in operation and may require condenser water flow through the unit BUILDING PRESSURE CONTROL 50XJ The building pressure control output provides an analog 4 to 20 mA signal to control return fan or exhaust fan speed Fan speed is modulated to maintain the building static pressure set point SETPTO7 The control parameters for the building pressure set point and building pressure are read and controlled in milliamps but are converted to inches of water for ease of setting and display The range and low start values of the sensor selected should be configured in the custom configurations screen The raw sensor value in milliamps will be displayed on the hardware point BSP The converted sensor reading in inches of will be displayed at the software point BSP_IN The set point input in SETPT07 in inches of 20 is converted to a raw milliamp set point i
100. l routines use a PID to calculate a supply air set point that will satisfy the heat demand in the space The modulating output and the staged outputs will both operate at the same time to control an attached heat source such as steam valves or electric heaters to provide the supply air temperature required The heat mode changes back to cool when the space control point is back above the occupied heat set point For linkage the mode changes back to cool when the average space tempera ture is back above the average occupied heat set point When unoccupied heat is enabled the fan will be stopped and the heat turned off when the space control temperature is more than halfway above the difference between the occupied heat set point and the unoccupied heat set point For example if the occupied heat set point is 70 and the unoccupied heat set point is 60 the unit will come on for unoccupied heating below 60 F and turn off again above 65 F The average occupied and unoccupied set points are used when linkage is active HEAD PRESSURE CONTROL HPC 50XJ In instal lations where entering water temperature can fall below 55 where a water economizer described above is not installed the HPC provides 1 or 2 electronic water flow control valves to vary flow to the condensers Controlling the water flow maintains compressor discharge pressure above a minimum value ensuring sufficient refrigerant flow out of the condenser and throughout the re
101. layed monitor 1 22 TRIP MESSAGES Trip messages and their causes are shown in Table 16 CLEARING A TRIP A trip clear can be performed after the cause of the trip has been removed To perform a trip clear either switch off power to the inverter keep VFD off until charge LED turns off or use the following procedure Press STOP The display will show CLr Press STOP again The display will show 0 0 indicating that the trip is cleared and the display will return to Standard Monitor mode If any key other than the STOP key is pressed at the trip clear command prompt the trip clear command is aborted and the display returns to Standard Monitor mode where the trip title will be displayed flashing The trip clear command does not clear the recorded past faults STATUS MONITOR MODE In Status Monitor mode it is possible to monitor the inverter status frequency command output voltage current terminal information etc Status monitor mode is entered by pressing the MON key until the monitor LED is lit The present output frequency which just after power is applied is 0 0 is displayed If the ST CC terminals are not shorted OFF will be displayed If either wi is pressed continuously every 0 5 sec the next previous item will be displayed As optional points RUN STOP displaying the frequency status and switching to local remote and manual auto modes can be performed VEC lamp RUN lamp MON lamp PRG l
102. ll also turn on When ROCC is turned off the TIMECLOCK point will turn off within 60 seconds Supply Fan Shutdown If the unoccupied demand is satis fied and TIMECLOCK and ROCC are off and disabled OKFAN will turn off SF SFS will turn off Tower and PUMP will turn off and then 5 minutes later the SF point will turn off and the VFD speed will go to 0 During the 5 minute delay the cooling and heating routines become disabled This delay allows a compressor that may have just started to run for its 5 minute minimum on time with the supply fan on For example if the staging routine had just started Compressor 3 at the time the FAN point changed to OFF the cooling routine would become disabled and com pressors 1 and 2 would shut off right away Compressor three would continue to run for its minimum on time of 5 minutes The fan continues running until all compressors meet the minimum on time and run with a load preventing them from shutting down due to a safety Supply Fan operation with Optional Bypass 50XJ If the optional VFD Bypass is installed and the Bypass switch has been turned to Bypass and the access panel is in place the software point Bypass access panel secure BB SAFE has been turned to ON and the unit operation switch has been placed back in local or remote then the bypass start stop point BPS S will follow the SF point when it turns on and off The terminal open point TRMOP will go on with the TRMCT point
103. lmLogic DlyTim Persist AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DlyTim Persist AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp Name Name Name AlmLogic DlyTim Persist AlmProc ReAlmTim Type AlmLevel AlmSrc AlmRtg AlmDesc Message Message Message Message PowerUp DESCRIPTION OMNIZONE DSALMOS Fire alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALMO6 Condenser Water Flow Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm Processing Re Alarm Interval Alarm 1 or Alert 0 Alarm Level Alarm Source Alarm Routing Alarm Description Index Alarm Message Part 1 Alarm Message Part 2 Alarm Message Part 3 Alarm Message Part 4 Power on Delay OMNIZONE DSALMOT7 Filter Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Discrete Check Alarm Logic Enable Delay Time Persistence Time Alarm Processor Alarm
104. load fluctuates abruptly operation The load is in an abnormal condition REMEDIES Increase the acceleration time ACC Check the V F parameter Use F301 auto restart and F302 ride through control Increase the carrier frequency F300 Increase the deceleration time dEC Reduce the load fluctuation Check the load operated machine OCR Arm overcurrent at A main circuit element is defective Make a service call start up 5 OCL 4 OP1 Overvoltage during acceleration The input voltage fluctuates abnormally 1 The power supply has a capacity of 200kVA or more 2 A power factor improvement capacitor is opened or closed 3 A system using a thyristor is connected to the same power distribution line A restart signal is input to the rotating motor after a momentary stop etc The deceleration time dEC is too short Regenerative energy is too large F304 dynamic braking resistor activation is off F305 overvoltage limit operation is off 1 The input voltage fluctuates abnormally The power supply has a capacity of 200kVA or more 2 A power factor improvement capacitor is opened or closed 3 A system using a thyristor is connected to the same power distribution line OP2 Overvoltage during deceleration 24 The insulation of the output main circuit or Check the cables and wires for defective Overcurrent An e overcurrent
105. me Maintenance Screens cont DESCRIPTION VALUE UNITS STATUS FORCE NAME OMNIZONE PRES Head Pressure Comp1 System Value Sysvalue Force Force Status HwStat Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE RESET Ext Supply Air Reset AlmStat SenValue HwValue ChanNum AlgoName AlmName System Value Sysvalue Force Force Status HwStat Alarm Status Sensor Value Hardware Value Channel Number Control Algorithm Name Alarm Algorithm Name OMNIZONE UPDATEDB Database Control Database Error EEPROM Error RAM Error Available Program Bytes Available Data Bytes OMNIZONE ALARM Critical Fault Typical Discrete Out System Value Force Status Alarm Status Control Value Hardware Value Channel Number Control Algorithm Name AlgoName Alarm Algorithm Name AlmName OMNIZONE BP_SAFE Bypass Acc Panel Secure Typical Discrete Sofware System Value Sysvalue Force Force Status Status Alarm Status AlmStat OMNIZONE DOPI_01 Supply Fan Status Discrete Output Point Control Value Status RefOut PIFlag Condtion ModStpt PersTime Value Value Value TaskTimr Value Value Value Status AlmType LastTime LastDate LastDate LastDate sec TaskTimr AlmStat SenValue HwValue ChanNum AlgoName AlmName DBError EEError RAMError EEPROM RAM SysVal Force HwStat AlmStat CtrValue HdwValue ChanNum Occupied Permissive I
106. ms three operations Cancels a data entry before the user presses Enter thus leaving the current value unchanged Returns a forced point to automatic control Redisplays the previous menu level Enter performs two operations Selects the displayed item thus displaying either its maintenance or configuration data depending on whether the user is in the Status mode or the Edit mode Accepts the value entered in a configuration decision as new configuration data or as a force Down arrow displays the next configured item or decision When the last configured item or decision is displayed the LID re displays the first configured item or decision For example when the user presses the down arrow key while viewing the last configuration decision of an algorithm the LID re displays the first configuration decision Up arrow Displays the previous configured item or decision Table 5 Numeric Keys ENTER OPERATIVE KEYS USE Numeric keys Performs two operations e Separates items such as an algorithm from its occurrence or hours from minutes e Serves as a decimal point in numeric values Performs two operations e Negates the value of numeric keys e Clears current data entry value any time it is not the first key pressed during the data entry sequence VIEWING MODES The user can view items in either the Status maintenance mode or the Edit configuration
107. n SETPTOS The algorithm controls to the milliamp values since the math required for control using the static pressure in inches generates numbers too small to be used given the range of the controller configuration parameters Diagnostic Features The CC6400 provides a number of features to help protect the unit and allow problem diagnosis CRITICAL FAULT The controller provides an output for field connection to signal an external building systems monitor or control that the unit is not operating properly and has shut down A red light mounted on the front of the unit provides visual indication of this alarm condition NOTE If the Local Off Remote switch is in the OFF position it is normal for the red alarm light on the display panel to be lit indicating that the unit is disabled NON CRITICAL FAULT The controller provides an output for a yellow light mounted on the front of the unit that indicates the need for minor maintenance or service 18 FIRE INPUT FSD This is a normally closed input which when opened deenergizes an isolation relay in the unit opening the input to the controller When this input turns On all control outputs are immediately turned Off including the fan Unit reset requires manual resetting at the main controller keypad DUCT HIGH STATIC INPUT DHS This air switch provides backup protection for the ductwork It is factory installed in the unit wired to the unit main controller to re
108. nal Block 120 V Hot Terminal Block 120 V Neutral Terminal Block Terminal Blocks for Field Connections Tower Request VAV Terminals Control VAV Terminals Open Ventilation Output Variable Frequency Drive Unit Warning Relay Non Critical Fault Optional Wiring Optional Items Noted With Field Wiring On 200 240 v units the transformers are factory wired for 240 v For 200 v applica tions move the blue wire to the 200 v tap of each transformer of the drain wire shall be insulated 2 3 4 Shielded wire shall have drain wire connected to VFD ground screw The floating end 5 Shielded wire shall have drain wire connected to the control panel adjacent to the PCB The floating end of the drain wire shall be insulated 42 APPENDIX CONTROL SCREENS Display Screens DESCRIPTION OMNIZONE HWP01 32 Hardware points Table 1 Supply Air Temperature Duct Static Pressure Comp Status MUX Fire Alarm Shut Down Cond Water Flow Switch Remote Occupancy Duct High Press Switch Entering Water Temp Compressor 1 Relay Compressor 2 Relay Compressor 3 Relay Compressor 4 Relay Supply Fan VFD Speed Signal Non Critical Fault Critical Fault Mixed Return Air Temp Dirty Filter Status Phase Loss Protection Ext Supply Air Reset Water Econ FreezeStat Space_Reset Sensor VFD Bypass Enable Head Pressure Comp1 118 76 Ventilation Request Close VAV Terminals Control No 2 position Eco
109. nd High Temperature set points These values should be kept the same as the occupied values Setpoint 02 internally coordinates the supply air set point reset in several of the algorithms and can not be modified Setpoint 03 is used for comparison by the unit to return Space temperature or Average space temperature through linkage to determine when to start reset of the supply air when occupied when to turn on heat and disable cooling when occupied and when to bring the unit on for unoccupied heating or cooling Setpoint 04 is used to set the head pressure set point if the unit is ordered with the head pressure control option Only the Occupied Low set point may be modified the other values will change to the Occupied low valued shortly after it is modified so that all the values remain the same Setpoint 05 is used to set the supply air static pressure the unit should maintain Only the Occupied Low set point may be modified the other values will change to the Occupied low value shortly after it is modified so that all the values remain the same The set point in the static pressure control algorithm will also follow and cannot be modified in the algorithm configuration screens Setpoint 06 is the Supply air temperature set point Only the Occupied Low set point may be modified the other values will change to the Occupied low value shortly after it is modified so that all the values remain the same The set point in DX VAV stag
110. no Valve Reverse Head Press Ctrl Hot Water Valve Heat Interlock Relay Bypass Start_Stop VAV Terminals Open MAX OMNIZONE HWP33 64 Hardware points table 2 Cooling Tower Sump Temp Building Static Milliamp Condenser Leaving Water Indoor Air Quality Indoor Relative Humidity Outdoor Air Temp Heat Stage 1 Heat Stage 2 Heat Stage 3 Heat Stage 4 Pump Request Cooling Tower Request Exhaust Fan Ext Dehumidification OMNIZONE SWP65 96 Software Points Compressor 1 Status Compressor 2 Status Compressor 3 Status Compressor 4 Status Bypass Acc Panel Secure DX VAV RESET Control Factory Field Test Building Static Pressure Time Clock Cooling Supply Fan Status Ok to run Fan OK Fan Sup Fan Stat Fan Cond Water Flow Equipment Mode Activate Evacuation Mode Space Control Point Mod Econ Enabled Head Pressure Control Disable Disable Economizer Control Temp 77 22 Disable Normal Normal Normal Normal Normal Disable Compressor Cooling Duct Static Failure Compressor 1 Alarm Compressor 2 Alarm Compressor 3 Alarm Compressor 4 Alarm Cond Flow Alarm Status 43 VALUE UNITS STATUS FORCE Control Control Control Control Control NAME BP_SAFE VAVRESET FLDTST BSP_IN TIMCLOCK COOLOK SFS OKFAN SF_SFS FAN_CDWF MODE EVAC CTRLPT ECON_OK HEAD ECONPT COMPRES DSP_ALM C1_ALM C2_ALM C3_ALM C4_ALM CDWF_ST DESCRIPTION OMNIZONE Custom Configuration Compressor Sta
111. nterlock Reference Output Perm Interlock Flag Conditional Modified Setpoint Persistence Timer Setpoint Limit Analog Control Point Discrete Control Point Task Timer OMNIZONE DSALM01 Duct High Pressure Typical Discrete Alarm Monitored Input Point Comparison Point Alarm Inhibit Point Alarm Status Alarm Processor Alarm Type Time of Last Message Month of Last Message Day of Last Message Year of Last Message Task Timer 60 DESCRIPTION OMNIZONE DXVAV01 Compressor Staging Discrete Output Point 1 Discrete Output Point 2 Discrete Output Point 3 Discrete Output Point 4 Discrete Output Point 5 Discrete Output Point 6 Fan Status Point Sensor Group SPT Sensor Occupied High Humidity Switch High Humidity Setpoint High Humidity Sensor VAV Setpoint Reset Setpoint Setpoint Offset DX Supply Air Setpoint Supply Air Temperature PID_Master_Loop Reference Output Proportional Term Integral Term Derivative Term Integrator Flags Staging Control Number of Stages Requested Stages Delta Stages Delay Timer PID Integrator Clamp Task Timer OMNIZONE EHVAV01 DO Elec Heat 01 Discrete Output Point 1 Discrete Output Point 2 Discrete Output Point 3 Discrete Output Point 4 Discrete Output Point 5 Discrete Output Point 6 Fan Status Point Sensor Group SPT Sensor Occupied High Humidity Switch High Humidity Setpoint High Humidity Sensor Duct Temperature Duct High Limit Morning Warm Up Reference Output Morn
112. o the communica tion bus in a daisy chain arrangement The negative pin of each system element s communication connector must be wired to the respective negative pins and positive pins on each component must be connected to respective positive pins The controller signal pins must be wired to the signal ground pins Wiring connections for CCN must be made at the 3 pin plug At any baud rate 9600 19200 38400 baud the number of controllers is limited to 239 devices maximum Bus length may not exceed 4000 ft with no more than 60 total devices on any 1000 ft section Optically isolated RS 485 repeaters are required every 1000 ft NOTE Carrier device default is 9600 baud The CCN Communication Bus wiring is field supplied and field installed It consists of shielded three conductor cable with drain ground wire The cable selected must be identical to the CCN Communication Bus wire used for the entire network See Table 2 for cable recommendations NOTE Conductors and drain wire must be at least 20 AWG American Wire Gage stranded and tinned copper Individual conductors must be insulated with PVC PVC nylon vinyl Teflon or polyethylene An aluminum polyester 10096 foil shield and an outer jacket of PVC PVC nylon chrome vinyl or Teflon with a minimum operating temperature range of 20 C to 60 C is required The communication bus shields must be tied together at each system element If the communication bus is entirely w
113. of high voltage contacts The bypass is a direct input to the unit controller and will be activated via a switch on the unit front panel When manually activated the rotary switch takes the out of the fan power circuit and provides the 3 phase power directly to the fan motor running it at constant speed A low voltage control circuit ensures that the unit controller pro vides a signal to allow all VAV dampers to open fully before the fan is turned on at constant full speed A blue indicator light located on the front of the unit indicates that the VFD By pass is active A High Duct Static Switch HDS shuts the fan down if duct static exceeds a maximum setting VENTILATION OUTPUT 50 PCB2 The ventilation output is controller output signal available for field connection to a field supplied ventilation damper s This signal is activated whenever the unit is in the occupied mode SPACE TEMPERATURE SENSOR 50XJ PCB2 A field supplied Carrier space temperature sensor is required to maintain space temperature in sensor mode SUPPLY AIR RESET 50 PCB2 Supply air temperature set point may be reset using either the SPT or MA_RA SUPPLY AIR RESET 50BV Reset is provided by a field installed temperature sensor EXHAUST FAN CONTROL OUTPUT 50XJ PCB2 This output is activated whenever the unit is in the Occupied mode This is a modulating output that controls based on the Building Pressure Input set point
114. olling by pressing the up or down arrow displays only the configured items within that category Pressing the appropriate LID numeric key oe 2 the appropriate function key ie ALRM and EXPN EDIT to directly access an item without having to scroll through all the items in that category QUICK ACCESS IN EITHER STATUS OR EDIT MODE Use Table 6 as a reference to directly access CC6400 Controller items using a LID in either Status or Edit mods For example to access maintenance data for the AO Heating VAV algorithm press 6 ALGO and ENTER To access configuration data for the AO Analog Output Heating VAV algorithm press 6 ALGO EXPN EDIT and ENTER If the database consisted of two AO Heating VAV algorithms to access the second one press 6 deci mal 2 ALGO EXPN EDIT and ENTER OMNIZONE VPAC 12 00 02 06 04 FUNCTION KEYS OPERATIVE KEYS FUNCTION KEYS _ OPERATIVE KEYS NUMERIC KEYS Fig 5 Local Interface Display LID Table 6 Quick Access Chart LID LID FUNCTION KEYS KEY ALGO STAT HIST SRVC ALRM SET
115. omparison Sns1Sta Input 2 Comparison Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type LogType Power on Delay sec PowerUp OMNIZONE INTLKO8 Heat Interlock Relay Discrete Output Point Name Discrete Input Point 1 Name Discrete Input Point 2 Name Discrete Interlock Input 1 Comparison Sns1Sta Input 2 Comparison Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type Normal LogType Power on Delay 5 sec PowerUp Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information 54 Configuration Screens cont VALUE UNITS DESCRIPTION OMNIZONE INTLKO9 Condenser Pump Discrete Output Point Discrete Input Point 1 Discrete Input Point 2 Discrete Interlock Input 1 Comparison Input 2 Comparison Off Persistence Time On Persistence Time Output Logic Type Power on Delay OMNIZONE INTLK10 Tower Request Discrete Output Point Discrete Input Point 1 Discrete Input Point 2 Discrete Interlock Input 1 Comparison Input 2 Comparison Off Persistence Time On Persistence Time Output Logic Type Power on Delay OMNIZONE INTLK11 Compressor Cooling Discrete Output Point Discrete Input Point 1 Discrete Input Point 2 Discrete Interlock Input 1 Comparison Input 2 Comparison Off Persistence Time On Persistence Time Output Logic Type Power on Delay OMNIZONE LINK_01 Linkage AOSS Schedule 01
116. on the motor is defective load side at start up The motor has too small impedance insulation Insert a suitable input reactor Use F301 auto restart and F302 ride through control Increase the deceleration time dEC Install a suitable dynamic braking resistor Enable F304 dynamic braking selection Enable F305 overvoltage limit operation Insert a suitable input reactor Table 16 Trip Messages 50BV VFD cont CODE COMMUNIGATION PROBLEM POSSIBLE CAUSES Overvoltage during constant speed operation Inverter overload Motor overload EPHO Output phase failure e The input voltage fluctuates abnormally 1 The power supply has a capacity of 200kVA or more opened or closed 3 A system using a thyristor is connected to the same power distribution line The motor is in a regenerative state 2 A power factor improvement capacitor is because the load causes the motor to run at a frequency higher than the inverter output frequency e The acceleration ACC time is too short The DC braking amount is too large The V F setting is improper A restart signal is input to the rotating motor after a momentary stop etc The load is too large The V F setting is improper The motor is locked up Low speed operation is performed continuously An excessive load is applied to the motor during operation A phase fa
117. onth Press ENTER vi The LID display will show Year 95 then press 8 9 Enter the last two digits of the current year Press ENTER then press vi The LID display will show Update Clock No Press 1 and then ENTER to cause the controller to update the clock The LID display will flash Press CLEAN twice to view the default display and the clock should update to the input time and date Configure Schedules Schedules are one method of starting and stopping the unit at specified intervals To config ure the schedules perform the following procedure 1 7 8 9 Press 1 and then SCHD The LID display will show Occupancy Algorithm Press ENTER The LID display will show Time Schedule Enter to select Press ENTER If the LID display shows MODE 0 then the user is in Maintenance mode and the LID display is showing the maintenance information for the occupancy schedule Press EXPN EDIT to enter the configuration mode The LID display will show Manual Override Hours 0 hours This is the first configuration for each occupancy algorithm and is used to put the schedule in or out of occupancy override for the number of hours entered Press vi The LID display will show Period 1 Day of week 00000000 The eight digits represent if this period should apply to certain days of the week or holidays The digits repre sent M Tu W Th F Sa Su
118. ormation 57 NAME Ovrd DOW1 Occ1 UnOcc1 DOW2 Occ2 UnOcc2 DOWS3 Occ3 UnOcc3 DOW4 Occ4 UnOcc4 DOW5 Occ5 UnOcc5 DOW6 Occ6 DOW7 Occ7 UnOcc7 DOW8 Occ8 UnOcc8 Name Name Value Value PowerUp Name Name Name Enable FirstOff SecndOff UnOccOff MinOff BiasTime PowerUp RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR Configuration Screens cont DESCRIPTION NAME OMNIZONE VPTESTC Field Test Field Test Reschedule Rate Power on Delay OMNIZONE MODECTRC Mode Control Determines Heat Reschedule Rate Power on Delay Run Fan in Bypass Reschedule Rate Power on Delay Water Economizer Control Reschedule Rate Power on Delay Mod Valve amp Econo Reschedule Rate Power on Delay OMNIZONE SETSYNCC Setpoint Synchronization Setpoint Synch Reschedule Rate 3 sec RESCHRAT Power on Delay 10 sec RESCHPOR Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuration information RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR RESCHRAT RESCHPOR Maintenance Screens DESCRIPTION VALUE UNITS STATUS FORCE NAME OMNIZONE ADAPTO1 VAVRESET Software point control Analog Output Point Value Status Point Value Occupied Status Reset Point Value Controlling Setpoint RefOut Control Point Value PID Master Loop Refer
119. ortional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Power on Delay OMNIZONE ADAPTOS Building Pressure Analog Output Point Status Point Time Schedule Setpoint Schedule Reset Point Reset Start Reset Value Stop Reset Value Control Point PID_Master_Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Power on Delay OMNIZONE ANCTLO1 Supply Fan Status Discrete Output Point Sensor Group SPT Sensor Time Schedule Setpoint Schedule Analog Hysteresis Block Iteration Rate Power on Delay Default values from factory NOTE See CC6400 Comfort Controller Overview and Configuration Manual for configuation information Configuration Screens VALUE UNITS OMNIZONE VPAC Test Version 0 009 CEPP 130124 07 6400 Version 1 6 VAVRESET COOLOK LINK 01 2 TEMP 100 HEAD LINK 01 4 _100 40 245 PRES 0 2 0 1 0 1 0 40 100 100 10 0 EXH OKFAN LINK 01 SETPT08 TEMP 100 40 245 BSP DSP 1 1 0 30 0 45 Location PartNum ModelNum SerialNo RefNum Name Name Name Name Name StrtRst StopRst Name DsblOut MinOut MaxOut StartVal BlkRate PowerUp Name Name Name Name Name StrtRst
120. pied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint Display Screens cont 2 3 0 0 1 0 0 2 0 0 6 0 0 0 0 0 0 0 1 44 NAME NUM CMP RSET RTO CDFW SWT EWT SNS EWT RST MOD ECON FLOW TYP MARA SNS PHAS SWT FREZ SWT ECON SET SPT SNS SPT SNS TWR SNS LWT SNS IAQ SNS IRH SNS BSP ONS BSP RNG BSP LOW OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh OccLow OccHgh UnOccLow UnOccHgh DESCRIPTION OMNIZONE CC6400 Controller Identification Description Location Software Part Number Model Number Serial Number Reference Number OMNIZONE ADAPTO1 VAVRESET Software point con trol Analog Output Point Status Point Time Schedule Setpoint Schedule Reset Point Reset Start Reset Value Stop Reset Value Control Point PID_Master_Loop Proportional Gain Integral Gain Derivative Gain Disabled Output Value Minimum Output Value Maximum Output Value Starting Value Block Iteration Rate Power on Delay OMNIZONE ADAPTO2 Head Pressure control Analog Output Point Status Point Time Schedule Setpoint Schedule Reset Point Reset Start Reset Value Stop Reset Value Control Point PID_Master_Loop Prop
121. r Economizer the delay is 2 min and RVS HD valve is commanded to 100 The economizer valve is commanded to 0 and the RVS HD valve will open The control forces SF off then waits 15 seconds If the VFD display shows Off the Remote and Auto LEDs are off and the fan goes off then the red LED on the control module blinks once and the test continues NOTE For the 50XJ unit if the controller is configured with a water Economizer both valves are commanded to 0 The economizer valve and RVS HD will close NOTE For the 50BV unit the steps below 16 24 will be completed for the number of compressors configured The control forces compressor 1 on then waits 5 seconds If CSMUX is not in range the red LED will go on and the test will stop If CSMUX is in range the red LED blinks once and the test continues The control forces off The control forces CMP2 compressor 2 on then waits 5 seconds If CSMUX is not in range the red LED will go on and the test will stop If CSMUX is in range the red LED blinks once and the test continues The control forces off The control forces CMP3 compressor 3 on if config ured then waits 5 seconds If CSMUX is not in range the red LED will go on and the test will stop If CSMUX is in range the red LED blinks once and the test continues The control forces CMP3 off 22 The control forces CMP4 compressor 4 on if config ured then waits 5 seconds
122. r compressor protection module open Compressor relay Contactor failure Control module failure No refrigerant ch Wiring open Compressor resistor board wiring error or fai ure failure arge ure Compressor 4 does not start High pressure switch low pressure switch coil frost switch or compressor protection module open Compressor relay failure Contactor failure Control module failure No refrigerant charge Field power wiring sequence error Compressor power wiring sequence error No input signal communication failure Value is forced from 6400 keypad entry Value is forced from network communication i e PC SAT DSP CSMUX DHS or PHASE input values out of range Mode switch OFF Compressor rotation is backwards C message in I O status display Service message in status display Supervisor message in status display ALARM red always on will not enter run test Forcing and Clearing an Input or Output Dur ing unit operation and or troubleshooting it may be necessary or desirable to clear an input or output Tables 18 and 19 describe the procedure for clearing inputs and outputs Table 18 Forcing an Input or Output STEP st INSTRUCTION ACTION RESULT Press 3 SET ENTER Controller Password Press ENTER Log in to Controller Enter Password Press 1111 ENTER Log in to Controller Logged in Press STAT Hardware Points Press ENTER Supply Air Temperature
123. rete Input Point 1 Name Discrete Input Point 2 Name Discrete Interlock Input 1 Comparison Sns1Sta Input 2 Comparison Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type Normal LogType Power on Delay 0 sec PowerUp OMNIZONE INTLK04 Supply Fan Delays Discrete Output Point SF Name Discrete Input Point 1 OKFAN Name Discrete Input Point 2 SENSDIOO Name Discrete Interlock Input 1 Comparison On Sns1Sta Input 2 Comparison Off Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type LogType Power on Delay sec PowerUp OMNIZONE INTLKOS5 Dis Cool befor SF delay Discrete Output Point FAN CDWF Name Discrete Input Point 1 CDWF Name Discrete Input Point 2 OKFAN Name Discrete Interlock Input 1 Comparison Sns1Sta Input 2 Comparison Sns2Sta Off Persistence Time sec OffPrst On Persistence Time sec OnPrst Output Logic Type LogType Power on Delay sec PowerUp OMNIZONE INTLKO6 Activate Terminals Discrete Output Point Name Discrete Input Point 1 OKFAN Name Discrete Input Point 2 SF Name Discrete Interlock Input 1 Comparison Off Sns1Sta Input 2 Comparison Off Sns2Sta Off Persistence Time 1 sec OffPrst On Persistence Time 1 sec OnPrst Output Logic Type Invert LogType Power on Delay 1 sec PowerUp OMNIZONE INTLKO7 Ventilation Request Discrete Output Point VENTR Name Discrete Input Point 1 TIMCLOCK Name Discrete Input Point 2 SF SFS Name Discrete Interlock Input 1 C
124. rite cycle EEPROM abnormality during initial reading RAM error ROM error CPU error Communication interruption error Gate array error Output current detection circuit error Option PCB error trip Option ROM error Low operating current trip Main circuit undervoltage trip Overtorque trip Software detected earth fault trip Hardware detected earth fault trip Auto tuning error Inverter typeform and EEPROM typeform mismatch error Damper trip When damper function is selected and damper is closed while the motor is running IV analog input loss Valid when LA15 3 and frequency command is selected from IV analog input terminal 21 Table 14 VFD Mode Summary for 50XJ Unit KEY OPERATON LED MESSAGE EXPLANATION 00 Standard monitor mode S P M S P M S P M R W DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN DOWN 50BV Variable Frequency Drive Control The variable frequency drive is factory wired and programmed for proper operation with the unit controls no installation or service adjustments are normally required The default conditions at unit power up are 0 0 Hz in the LED display When the fan is operating the LED displays the output frequency in Hz OPERATING KEYPAD The keypad allows users to en able or disable the keypad input commands from the keypad and monitor drive operation Fig 7 shows the operating panel keypad layout and the locations o
125. rn on until the run test is enabled However if the controller schedule has already been modified in the field and the current time of day is occupied then the supply fan will start The run test will shut the fan down when it 10 begins The run test will complete and then the supply will automatically restart NOTE If the Local Off Remote switch is in the OFF posi tion it is normal for the red alarm light on the display panel to be lit indicating that the unit is disabled NOTE If the red light stays on when the switch is moved to REMOTE or if any other problems occur during the run test refer to the Troubleshooting section of this manual To perform the Run Test 1 Turn unit power on The LID display will show the controller identifica tion time and date Fig 5 OMNIZONE VPAC hh mm mm dd yy 2 Press 3 and then 10 11 SET The LID display will show Controller Password Press ENTER The LID display will show Log in to Controller Enter Password NOTE The LID display has two modes Edit mode and Status Maintenance mode If the LID display is in Edit mode then the display will only show the word pass word Press the mode EXPN EDIT key to toggle to the Status Press the EXPN EDIT to display Log in to Controller Enter Password Key in the password and press ENTER NOTE The default password is 11
126. roller will scale the signal to provide 0 reset at 0 volts and 20 degrees of reset at 10 volts Wire the positive of the signal to the RESET terminal and the negative to the C or common terminal SUPPLY AIR RESET SOBV Use a 5k ohm sensor installed at the Entering Water Temperature sensor EWT location on 1 For space temperature averaging two 10k ohm Space Temperature Sensors SPT can be wired in parallel SPACE TEMPERATURE SENSOR 50XJ PCB2 The space temperature sensor 33ZCT55SPT is used in the follow ing cases When using the optional water economizer and not using Carrier s ComfortIDTM System FIELD CONNECTION O HW Fig 2A Field Terminal Blocks for 50XJ Unit FIELD CONNECTION TB2 Fig 2B Field Terminal Block for 50BV Unit To determine the average temperature of the space being served To determine supply air temperature reset occupied heating unoccupied heating and cooling refer to Sequence of Operation in the Start Up section To wire the sensor perform the following see Fig 3 Identify which cable is for the sensor wiring 1 Strip back the jacket from the cable for at least 3 inches Strip 4 in of insulation from each conduc tor Cut the shield and drain wire from the sensor end of the cable 2 Wire the sensor to the SPT and C terminals on the field terminal block TB5
127. seline Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT03 Heat Cool Mode amp Reset Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT04 Head Pressure Control Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT05 Supply Static Pressure Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPTO6 Supply Air Temperature Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT07 Building Static Pressure Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT08 BSP raw control Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh OMNIZONE SETPT09 Humidity Control Occupied Lo Setpoint OccLow Occupied Hi Setpoint OccHgh Unoccupied Lo Setpoint UnOccLow Unoccupied Hi Setpoint UnOccHgh LEGEND BSP Building Static Pressure RH Relative Humidity Check System Parameters To check system parameters press the STAT button The LID display will show Hardware Poin
128. sors do not have internal current protection This board activates at an overtemperature setting and locks out operation of the compressor for 30 minutes there is no method to over ride or reset this timer Due to this timing function please note that the compressor will not attempt to restart until the third attempt described above ALARMS Alarms can be provided via 4 methods Unit mounted Alarm Light Red and Yellow Keypad Display Network Communications or a discreet Alarm Output to the Field Low Voltage Terminal Strip This field output circuit includes an isolation relay and dry contacts Alarms are covered in detail in the Troubleshooting section 50XJ Variable Frequency Drive Control The variable frequency drive is factory wired and programmed for proper operation with the unit controls no installation or service adjustments are normally required There is an interface display for the VFD independent of the main control display mounted on the front of the 50XJ unit The default conditions at unit power up are AUTO run mode REMOTE speed control and OFF in the LED display When the fan is operating the LED displays the output frequency in Hz OPERATING KEYPAD The keypad allows users to en able or disable the keypad input commands from the keypad and monitor drive operation Fig 6 shows the operating panel keypad layout and the locations of the keys and display LEDs 7 CHARACTER LED
129. talled close to the inverter The thermistor in the unit is broken The input voltage in the main circuit is too low 25 Enable F615 Over torque trip selection Check whether the system is in a normal condition Increase the deceleration time dEC Use a dynamic resistor with a larger capacity W and adjust F308 PBR capacity parameter accordingly Restart the operation by resetting the inverter after it has cooled down enough The fan requires replacement if it does not rotate during operation Secure sufficient space around the inverter Do not place any heat generating device near the inverter Make a service call Check the input voltage Enable F627 undervoltage trip selection To cope with a momentary stop due to undervoltage enable F302 ride through control and F301 auto restart Table 16 Trip Messages for 50BV VFD cont pud COMMUNICATION PROBLEM POSSIBLE CAUSES REMEDIES Small current e The output current falls to the low current Enable F610 low current detection operation trip detection level during operation parameter e Check whether the detection level is set properly to the system F611 and F612 e If no error is found in the setting make a service call EF2 22h Ground fault trip A ground fault occurs in the output cable e Check the cable and the motor for ground or the motor faults E 11h Emergency stop e Dur
130. ter flow through an optional economizer coil to precool evaporator entering airflow This occurs when there is demand for the cooling and the temperature at an Entering Water Temperature EWT thermistor is colder than the economizer start set point Waterflow is controlled via two electronic water flow valves This option also incorporates an Economizer Freeze Switch EFS located at the inlet of the economizer coil Economizer water flow is in series with the condensers allowing compressor operation while the economizer is operating If the Fan 15 on and there is no demand for heat then the equipment mode MODE will be COOL and Cooling COOLOK will switch to ENABLE If the unit is configured for variable flow the Reverse Head Pressure CTRL valve will open otherwise it will already be open and if there is condenser water flow CDWF is YES then the Fan Condenser water flow point will become TRUE If the entering water temperature is below the Economizer start set point in the configuration parameters table Table 10 then the Mod Econ Enabled point ECONOK will change to enable and the Economizer valve will modulate open to lower the Economizer control temp to the supply air set point SETPT06 temperature The economizer modulation is controlled by a PID loop and the Reverse Head pressure control valve will modulate in reverse of the Economizer valve using the formula MVLV 100 ECONO ECONOMIZER COOLING 50BV The un
131. to discern which compressor is not operating when it should be The Current Overload Board COL is located in the unit control box wired in the control power line for the compressor pilot relay which drives the compressor contactor and incorporates a current loop which monitors one leg of the compressor power leads This board is powered along with the related compressor contactor Whenever the compressor current falls below a threshold level i e compressor not operating it activates an on board relay which opens power to the compressor pilot relay i e compressor contactor and turns On a control power feedback line to the unit controller via the resistor board described above Any one of the safety switches described herein will cause this event In the event this occurs the controller shall turn OFF this compressor and start the next compressor in sequence After a 5 minute period the controller shall restart this compressor and turn the other one off as cooling demand requires If the problem compressor then operates for 10 min utes of run time normally the unit reverts to normal operation and compressor sequencing If not and the same error occurs again this compressor shall be shut down and replaced with the next compressor as before and held off for 10 minutes It shall then be restarted and the other compressor shut down as before If it does not run successfully for 10 minutes of normal run time again it
132. topBias CoolKFct HeatKFct BiasLow BiasHigh AOStop CoolFlg BiasDay BiasTim TaskTimr Evacuate Pressure Sensor Group SPT Sensor Occupied Space Setpoint High Humidity Switch High Humidity Setpoint High Humidity Sensor Morning Warm Up Reference Output Morning Warmup PID Master Loop Reference Output Proportional Term Integral Term Derivative Term Integrator Flags HCV Supply Air Setpoint Supply Air Temperature P Submaster Loop Reference Output Proportional Term Submaster Flags Task Timer OMNIZONE INTLKO1 OK to run Fan Typical Interlock Discrete Output Point Discrete Input Point 1 Discrete Input Point 2 Reference Output Task Timer OMNIZONE LINK 01 Linkage AOSS Schedule 01 Setpoint Bias Adaptive Optimal Start Start Bias Start Cool K Factor Start Heat K Factor Biased Start Day Biased Start Time Biased Occupied Cool Flag Sensor Group SPT Sensor Occupied Outside Air Temp Linkage Time Schedule Mode Biased Occupied Next Occupied Day Next Occupied Time Next Unoccupied Day Next Unoccupied Time Last Unoccupied Day Last Unoccupied Time Status Override is set Linkage Setpt Schedule Occupied Lo Setpoint Occupied Hi Setpoint Unoccupied Lo Setpoint Unoccupied Hi Setpoint Linkage Space Temp Supply Air Temp Fan Status Air Side Linkage Linkage Status Supervisory Element Supervisory Bus Supervisory Block No Avg Occ Heat Setpoint Avg Occ Cool Setpoint Avg Unocc Heat Setpoint Avg Unocc
133. ts Table 1 Press ENTER to view the hardware points The user can navigate up and down through the points with the up and down arrows Press 2 and STAT to display the software points The user can navigate up and down through the points with the up and down arrows Refer to Tables 8 and 9 for hardware and software points Display Alarm History If the controller is indicating there are alarms the user can view the alarm history by 14 pressing the HIST button The LID display will show Alarm History Press ENTER The LID display will show the date and type of alarm As an example if the LID display shows ALARM 10 55 11 27 02 SFS That display indicates that on 11 27 02 at 10 55 A M the system Supply Fan was either on when it had not been commanded on or was off when it was commanded on The user can view other stored alarms by pressing the up and down arrows The twenty four most recent alarms are stored Configure Custom Programming Selections To configure the custom programming selections perform the following procedure 1 Press 37 ALGO The LID display will show Custom Program 2 Press ENTER The LID display will show 2 0 Global Dictionary OMNIZONE 3 Press ENTER The display indicates No Data Press CLEAR then press EXPN EDIT Press ENTER again The LID displ
134. ult Task State Task Timer Execution Time Fire Shutdown Task State Task Timer Execution Time Non Critical Fault Task State Task Timer Execution Time Compressor Fault Test Task State Task Timer Execution Time Copyright 2004 Carrier Corporation LMALM02 RESCHED 0 183 RESCHED 0 11 RESCHED 0 049 RESCHED 1 0 113 RESCHED 1 0 046 Value Status Status RefOut OffTime Region TaskTimr Sysvalue Force HwStat AlmStat SenValue Varnum AlgoName AlmName TASKSTAT TASKTIMR EXETIME TASKSTAT TASKTIMR EXETIME TASKSTAT TASKTIMR EXETIME TASKSTAT TASKTIMR EXETIME TASKSTAT TASKTIMR EXETIME Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 1 PC 111 Catalog No 535 00137 Printed in U S A Tab 2a 2b Form 50BV XJ 2T Pg 64 2 04 Replaces 50BV XJ 1T
135. unit this factory installed option contains a water to air coil a two position diverting valve and related piping The water econ omizer is controlled by an Aquastat and a return air thermostat HEATING COILS AND VALVE 50XJ PCB2 Water steam heating options are factory installed Each includes a motorized variable control water or steam flow control valve which can be factory supplied for field installation outside the unit Installed in the water or steam inlet pipe this valve is wired to the unit main controller and operates on a 4 to 20 mA signal A Heating mode PID control is needed to control the valve position i e coil heating capacity variably between 10 and 10096 The PID will control a set point to 1 F for VAV Units this set point is at the Supply Air Temperature Sensor or as communicated from a remote thermostat HEAD PRESSURE CONTROL 50XJ PCB2 Head Pres sure Control is required for unit installations that will experience entering condenser water temperatures of 55 F or lower NOTE Head Pressure Control is not needed or used in conjunction with a Water Economizer A refrigerant pres sure transducer will monitor head pressure on compressor circuit 1 allowing the unit main controller to regulate water flow rate in the main water line entering the unit i e flow to all condensers Water header design to the condensers will be optimized such as to provide relative flow rates to each condenser based on
136. will be lit A system alarm will be generated and displayed on the unit keypad Unit reset is automatic when the Mux board has a valid reading again The valid range is between 1 5 and 10 vdc The table below indicates what voltages correspond to the compressor status indicated in the controller Table 21 Compressor MUX Board Voltages COMP RANGE None 1 50 lt V lt 95 1 last val lt V lt 2 95 2 last val lt V lt 3 68 1 2 last val lt V lt 4 55 3 last val lt V lt 5 25 EE 1 3 last val lt lt 5 99 E 2 3 last val lt V lt 6 54 z 123 699 last val lt V lt 7 15 1 2 4 last val lt V lt 7 63 3 4 last val V lt 8 11 1 3 4 last val lt V lt 8 58 2 3 4 last val lt V lt 8 99 1 2 3 4 V gt 8 99 CONDENSER WATER FLOW This is an optional switch that can be used with the OMNIZONE controller A thermal dispersion flow switch detects water flowing past the sensor element and closes normally open contacts that energize a relay with normally open contacts to the unit controller If no flow switch is installed a jumper must be in place to indicate that there is water flow all the time in order for the economizer and compressors to operate A configuration decision is used to indicate if a flow switch is installed and disable alarms from the flow switch When the flow switch is installed the controller will check for water flow when flow is requested for unit operation The

Carrier 50XJ064-104 Air Conditioner User Manual

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