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Excel 10 - CentraLine

1. 12 Type of Heating and Cooling 12 Ip eripe 13 Excel 10 Wall Module 13 Abbreviations and 15 16 otep 1 Plan The System rar a 16 Application Steps iiien nas iaaea LIII dpi ID Cei Mee Aa 16 Step 2 Determine Other Bus Devices 16 Step 3 Lay Out Communications and Power Wiring 17 LonWorks 17 luo mui 19 Step 4 Prepare Wiring 20 General Considerations 20 WITOS COMTO 21 LonWorks Bus Termination 2 22 otep 5 2 23 Step 6 Configure Controllers cessecdevdeecsenseccscesesebendseencecssvenresses 24 PII PE REP ient mE IU 24 OUTPUTS d 25 n MIEL dT 26 TP 27 Yea ree 27 72181 59 ce ERN Ire Ere M pep EET Commissioning
2. 2 2 36 Appendix D Q7750A Excel 10 Zone Manager Point Estimating Guide 72 Approximate Memory Size Estimating 72 REVISION OVERVIEW On the following pages changes have been made compared to the previous release of this document throughout Replaced with LonWorks Bus 11 37 38 Deleted references to nciLocation 74 2990 6r0311 2 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING INTRODUCTION Description of Devices The W7763C D and E Controllers are three Chilled Ceiling Controllers in the Excel 10 family product line They cover a wide range of control applications including radiators induction units chilled ceiling and chilled beam and are suitable for either wall mounting or unit mounting Heating systems can be water or electric and cooling systems can be chilled water supply or compressors Extensive timing features make the W7763 especially suitable for systems using electric heat and compressors The W7763 Controllers are capable of stand alone operation however optimum functional benefits are achieved when the network communication capabilities are used Q7752A E BUS SERIAL ADAPTER E di EXCEL 10 Q7750A PERSONAL COMPUTER TOOLS E VISION ZONE E BUS COMMUNICATIONS NETWORK EXCEL 10 CHILLED CEILING CONTROLLER Q7751A E
3. EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Broadcasting the Service Message The Service Message allows a device on the LONWorks Bus to be positively identified The Service Message contains the controller Neuron ID number and therefore can be used to confirm the physical location of a particular Excel 10 Chilled Ceiling Controller in a building When an Assign Neuron ID command is issued from E Vision the node goes into the SERVICE_MESSAGE mode for one minute In the SERVICE_MESSAGE mode pressing the occupancy override button on the remote wall module causes the Service Message to be broadcast on the network All other functions are normal in the SERVICE_MESSAGE mode If an Chilled Ceiling Controller does not have a bypass button connected press the service pin button on the controller itself located as shown in the following figure E BUS JACK SERVICE BUTTON Fig 19 Chilled Ceiling Controller LED and service button E Vision is used to perform the ID Assignment task during commissioning see E Vision User Guide Step 12 Commission Controllers 33 W7763 Controller Status LED The LED on the upper right of the controller provides an indication of device status The LED has the following states 1 Off no power to the processor 2 Continuous on processor is initialized state 3 Slow blink controlling normal state 4 Fast blink controller in alarm Manual Mode The Chilled Ceiling Con
4. SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_NUL No Override SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_BYPASS OC_STANDBY OC_NUL SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_NUL continued 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT x This is used to indicate which other data field in nvoChcStatus has changed since the last time nvoChcStatus was sent on the network If any field has had a significant change only that field is updated and field_no indicates which field If three or more fields have changed significantly then all fields are updated and field_no is set to 0 All fields are also updated every refresh time 55s x X X This is the effective occupancy mode resulting from scheduled occupancy mode occupancy sensor information bypass push button or manual operator interface It reports the current state of the remote override button It reports the current scheduled occupancy received via the network This reports the effective state of occupancy sensor s connected either to the input terminals from the network This reports the manual occupancy from the network It reports the state of the occupancy sensor wired to the node continued 74 2990
5. NUL SNVT temp p 0 to 70 C 327 67 C INVALID BYTE 128 to 127 NORMAL SETPOINT_SHIFT SNVT_hvac_emerg EMERG_NORMAL EMERG_PRESSURIZE EMERG_DEPRESSURIZE UWORD 0 to 65535 SNVT_lev_percent 0 to 100 163 835 INVALID SNVT_lev_percent 0 to 100 163 835 INVALID SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_BYPASS OC_STANDBY OC_NUL 47 Default HVAC_AUTO if bound but fails to be received or at application restart 0 at application restart NUL at application restart INVALID at application restart 0 if bound but fails to be received or at application restart EMERG_NORMAL at application restart 0 if bound but fails to be received 65535 for 60 s at application restart at application restart continued 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ee ee 74 2990 6r0311 Comments This is an input that coordinates the controller operation with the main equipment controller Dependent on the supply energy available the main equipment controller commands the Chilled Ceiling controller to operate in heat mode only cool mode only or heat and cool mode if appropriate to the configuration means that both heating and cooling equipment are available and the current mode is determine
6. FLOATING FLOATING MID This setting considers valve reverse and cycle time Synchronization is performed at every restart and at least once per day ONE STAGE Triac 2 is not used TWO STAGE THREE STAGE Triac 1 and 2 used triac 1 and 2 both on for stage 3 When configured as multistage cycle time and min stage off time are considered PWM THERMAL Triac 2 is not used Triac 1 operates as a pulse width modulated output and the cycle time must be specified in cycle time For PWM outputs PwmZeroPosn and PwmFullPosn must also be specified This specifies the output type to drive the connected actuator for the output 2 see above continued 42 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value Default nciChcConfig valve reverse 0 Bit DIRECT DIRECT DIRECT REVERSE 150 s for floating nciChcConfig valve reverse 1 Bit DIRECT REVERSE nciChcConfig cycle time 0 SNVT time sec 0 to 1200 s for stage output to 600 s for floating output 20 to 600 s for PWM output nciChcConfig cycle time 1 SNVT time sec 0 to 1200 s for stage output 0 to 600 s for floating output 20 to 600 s for PWM output 150 s for floating MinOffTime1 nciChcConfig min stage off time O SNVT time sec 0 to 600 seconds MinOffTime2 nciChcConfig min stage off ti
7. It is based on the occupancy setpoints the offset and recovery ramping The subnet is the LONWORKS subnet number in domain entry 1 of the node s domain table The node is the LONWORKS node number domain entry 1 of the node s domain table This is an output reporting the latest changed error condition detected in the node The first 5 bits are used for the alarm type number and this number is added to RETURN TO NORMAL 128 when the error condition is no longer true Each error condition return to normal is issued only once The type is also recorded in nvoAlarmLog and nvoChcStatus alarm type Alarm reporting is suppressed by settin nviManualMode to SUPPRESS ALARMS in which case nvoAlarm type is set to ALARM NOTIFY DISABLEd Alarm reporting is turned on again by setting nviManualMode to UNSUPPRESS ALARMS after which all existing alarms or ALM NO ALARM are reported one at a time continued 74 2990 6 0311 54 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value SrcAlarmLog1 nvoAlarmLog alarm_type 0 Same as nvoAlarm type See nvoAlarm type peal Same as monere peal Srcalmtogs_ rvoRarmicg alam pea
8. heat This applies to occ mode OCCUPIED and STANDBY This setting determines the behavior of the override button BYPASS UNOCCUPIED allows overriding the current occupancy mode to OCCUPIED for a configurable bypass time or causing a permanent override to UNOCCUPIED BYPASS allows only the temporary override to OCCUPIED and canceling it This setting configures the priority of the local wall module or central network interface override concerning override button If NETWORK WINS is set and the network sends value NUL then the override button is active This setting configures the display of occupancy and or override LED OVERRIDE shows the override from the bypass button or from the network LED OCCUPANCY shows the effective occupancy mode LCD DISPLAY is only used for T7560 Wall Modules The display shows the occupancy mode with different symbols and the override mode with flashing symbols 46 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers left User Address Field Name DestHvacMode nviApplicMode nviCondensation DestCoolTemp nviCoolTemp DestDicShed nviDIcShed EE Leu DestManOcc nviManOccCmd E Digital Engineering Units State English Metric or States plus Range or Value SNVT hvac mode HVAC AUTO HVAC HEAT HVAC COOL HVAC OFF SNVT switch 0 to 10096 SNVT switch OFF ON
9. 209541B are required for an LoNWoRks Bus with FTT devices on it depending upon the configuration Double termination is only required when the network is a daisy chain configuration and the total wire length is greater than 1640 ft YELLOW 500 m The maximum lengths described in Step 2 must be Fig 17 Termination Module connections for a doubly adhered to for either a daisy chain or free topology terminated FTT network LoNWORKS Bus layout See Fig 17 for connection details for a doubly terminated bus See Fig 18 for connection details for a singly terminated bus NOTE The Q7750A Zone Manager has an internal termination circuit although jumpers are a required at the terminal block to connect it See form number 95 7509 2 for details ence Fig 18 Termination Module connections for a singly terminated FTT network 74 2990 6 0311 22 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Step 5 Order Equipment After compiling a bill of materials through completion of the previous application steps refer to Table 12 for ordering information Contact Honeywell for information about Controllers and Wall Modules with no logo Table 12 Excel 10 Chilled Ceiling Controller ordering information Part Number Product Description Comments Excel 10 Chilled Ceiling Controllers W7763C1016 with setpoint knob temp sensor bypass F absolute W7763C1024 with setpoint knob
10. 255 0 at application 0 1 SrcWindow nvoEnergyHoldOff value SNVT_switch value 0 to 100 restart nvoEnergyHoldOff state SNVT_switch state NO_WINDOW CLOSED at application OPEN restart NO_WINDOW 255 TRE Be uu PET 7 1 id 1 UBYTE 72 H NodeType2 id 2 UBYTE 67 C NodeType3 id 3 UBYTE 49 1 Sf in NodeVerBug nroPgmVer bug_ver UBYTE 0 to 255 NodeTypeNumber node type UBYTE 22 CHC1 65 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT x x x X X This is an output showing the terminal load which is a percentage between 160 and 160 based on the control output level Negative values indicate heating load and positive values indicate cooling load 100 is the full terminal capacity An absolute terminal load value of more than 100 indicate that the terminal is not able to supply the required heating or cooling energy which at the zone controller should cause a demand for more supply energy nvoHeatOutput will be transmitted immediately when its value has changed significantly gt 1 X X X X X This output variable reports the last operating mode of the control algorithm It is not set to HVAC_OFF if the Heating and Cooling Output shows 0 HVAC_OFF is set when the Device is disabled from nviRequest nviManualMode or nviApplicM
11. 5 provide the information needed to make accurate ordering decisions Application Step 6 and the Appendices include configuration engineering that can be started using E Vision software after the devices and accessories are ordered Application Step 7 is troubleshooting Information provided in support of the use of third party LoNWORKS communication packages to con figure Chilled Ceiling Controllers is found in the Appendices The organization of the manual assumes a project is being engineered from start to finish If you are adding to or changing an existing system the Table of Contents can guide you to the relevant information Applicable Literature The following is a list of documents that contains information related to the Excel 10 Chilled Ceiling Controller and the EXCEL 5000 System in general Product Names The W7763 Controller is available in three models 74 2990 6 0311 prod lit title no 74 2989 Excel 10 W7763C D E Chilled Ceiling Controller Specification Data Excel 10 W7763C D E Chilled Ceiling Controller 95 7485 2 Installation Instructions 74 3083 Excel 10 T7460 Wall Modules Specification Data Excel 10 T7460 Wall Modules Installation 95 7610 Instructions 74 3097 10 T7560 Wall Modules Specification Data 95 7620 Excel 10 T7560 Wall Modules Installation Instructions 74 2697 Excel 10 T7770 Wall Modules Specification Data Ex
12. BUS ROUTER MANAGER The zone controlled by the W7763 Controller will typically use an Excel 10 wall module with a temperature sensor for space temperature measurement analog setpoint input bypass digital input push button and override status LED See page 4 for form numbers of Excel 10 wall module literature for further information The Q7750A Excel 10 Zone Manager is a communications interface that allows devices on the Excel 10 Echelon LonWorks network to communicate with devices on the EXCEL 5000 System C Bus Fig 1 shows an overview of a typical system layout The 07750 also provides some control and monitoring functions C BUS COMMUNICATION NETWORK EXCEL 500 EXCEL BUILDING SUPERVISOR C BUS TO E BUS INTERFACE DEVICE E BUS COMMUNICATIONS NETWORK Fig 1 Typical system overview 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Products Covered This System Engineering Guide describes how to apply the Excel 10 Chilled Ceiling Controller and the accessories to typical Chilled Ceiling applications The specific devices covered include W7763C D and E Chilled Ceiling Controllers T7460 Wall Modules T7560 Wall Modules T7770 Wall Modules Q7750A Excel 10 Zone Manager Q7751A Bus Router US part number US only Q7752A Serial Adapter US part number US only Organization of Manual The Introduction and Application Steps 1 through
13. ID eiue Excel 10 Chilled Ceiling Controller Point 29 Step 7 Lro bleshooting c ei sedate ceret rerit retener tas beads 31 U S Registered Trademark 74 2990 6r0311 25 Copyright 2011 Honeywell Inc All Rights Reserved C iffi LONMARK EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Troubleshooting Excel 10 Chilled Ceiling Controllers and Wall Modules 31 APTE 31 Broadcasting the Service Message 33 W7763 Controller Status LED sss 33 Manual Mode 2 2 ease 33 Appendix Using E Vision to Commission a Chilled Ceiling Controller 22 222122 1 34 Temperature Sensor 34 cC 34 Appendix B Configuring for Master Slave nnne sss n nnn 35 Output Configuration Options 35 Input Configuration 35 Equipment Control Options 35 Zone Control Optlons eerte tremere E Red tdt inr 35 Network Variable 35 Appendix C Complete List of Excel 10 Chilled Ceiling Controller User
14. Memory size 21 780 byte 4096 byte in case of a time program CARE Control Program 14 byte x time points x Excel 10 Controllers 50 byte x Excel 10 Controllers map complexity x Excel 10 Controllers x mapped points 57 byte x C Bus points 7488 byte x Excel 10 Controller types Where time points number of switch points in time program per Chilled Ceiling Controller Excel 10 Controllers number of attached Chilled Ceiling Controllers 60 120 ADD ROUTER 8729 C Bus points including mapped points others for example Remote Points number of mapped points for each Chilled Ceiling Controller including One to Many and Many to One mechanism number of different Excel 10 Controller types currently one Map complexity 20 using One to Many and not using points with read write Mapped points Excel 10 Controller types ability 30 average 45 many points with read write ability 73 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING 74 2990 6r0311 74 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING 15 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Honeywell Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sarl Rolle Z A La Pi ce 16 Switzerland by its Authorized Representative Automation and Control Solutions Honeywell GmbH B blinger
15. Relative setpoint knob C Configured Configured Setpoint Effective Effective Cooling Spt Heating Spt Knob Cooling Spt Heating Spt Occupancy Mode Standby 25 9 6 2 a 7 NOTES 1 Sample value shown Limited by default configuration settings to the range of 5 to 5 C 2 Limited to the range of 10 to 35 C 3 Configured Cooling Setpoint Setpoint Knob 4 Configured Heating Setpoint Setpoint Knob 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Bypass Bypass Mode During Unoccupied periods the bypass push button either on the controller itself or on the Wall Module may be used to cause the Occupied setpoints to be used by the control algorithm The mode may also be initiated by setting DestManOcc to OC_BYPASS via the network The controller remains in Bypass mode until 1 The bypass timer has timed out or 2 The user again presses the Wall Module push button to cancel Bypass mode or 3 The occupancy schedule DestSchedOcc network input switches the mode to Occupied 4 The network input DestManOcc is set to to OC_NUL The LED on the Wall Module indicates the current bypass mode status see Wall Module Status LED section Bypass Timer When the bypass mode has been activated the bypass timer is set to BypTime default of 180 minutes at the end of which the mode reverts to the original occupancy state See also Wall Module Bypass push button section Continu
16. all transformer output voltage levels depend on the size of the connected load a larger transformer outputs a higher voltage than a smaller one for a given load Fig 13 shows this voltage load dependence In the preceding x R loss example even though the con troller load is only 37 VA a standard 40 VA transformer is not sufficient due to the line loss From Fig 13 a 40 VA trans former is just under 100 percent loaded for the 37 VA con troller and therefore has a secondary voltage of 22 9 volts Use the lower edge of the shaded zone in Fig 13 that represents the worst case conditions When the x loss of four volts is subtracted only 18 9 volts reaches the controller which is not enough voltage for proper operation In this situation the engineer basically has three alternatives 1 Use a larger transformer for example if an 80 VA model is used see Fig 13 an output of 24 4 volts minus the four volt line loss supplies 20 4 volts to the controller Although acceptable the four volt line loss in this example is higher than recommended See the following IMPORTANT 2 Use heavier gauge wire for the power run 14 AWG 2 0 mm wire has a resistance of 2 57 ohms per 1000 ft which using the preceding formula gives a line loss of only 1 58 volts compared with 4 02 volts This would allow a 40 VA transformer to be used 14 AWG 2 0 mm wire is the recommended wire size for 24 Vac wiring 3 Locate the transformer cl
17. be used for calculating the dewpoint The network input has priority over a sensor connected directly to the controller This is the space temperature transmitted from another Excel 10 controller or another node that has a temperature sensor wired to it If bound or has a value other than INVALID then it is used as the sensed space temperature instead of the wired wall module s temperature nviSpaceTemp may be set to a value other than INVALID using a network management tool when nviSpaceTemp is not bound to set the temperature to a fixed value continued 50 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value Default nviTest output1_cmd BYTE NORMAL_HC_MODE NORMAL_HC_MODE at application restart OFF1_OFF2 ON1_OFF2 OFF1_ON2 ON1_ON2 TESTPOSITION nviTest output1_test_pos SNVT_lev_percent 0 at application restart 0 to 100 nviTest output2_cmd BYTE NORMAL_HC_MODE NORMAL_HC_MODE at application restart OFF1_OFF2 ON1_OFF2 OFF1_ON2 1 2 TESTPOSITION nviTest output2_test_pos SNVT lev pee d 0 at application restart 0 to pee d nviTest override LED BYTE NORMAL LED MODE NORMAL LED MODE at application restart LED OFF 1 LED ON DestSchedOcc nviTodEvent current state SNVT tod event current state OC OCCUPIED OC OCCUPIED if bound but fails
18. can take one node and two slots are available for operator terminal nodes leaving 120 nodes available for Excel 10 Chilled Ceiling Controllers All 120 controllers are able to communicate through the router A Q7750A Excel 10 Zone Manager is required to connect the LONWorks Bus to the standard EXCEL 5000 System C Bus Each Excel 10 Zone Manager can support no more than 120 W7763s This is a limit set in the Excel 10 Zone Manager database and is an absolute maximum Each LoNWoRks Bus segment is set up with two unused nodes to allow for an E Vision LiveCARE operator terminal to be connected to the LonWorks Bus Multiple E Vision terminals can be connected to the bus at the same time Table 8 summarizes the LoNWoRks Bus segment configuration rules EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table 8 LonWorks Bus configuration rules and device node numbers One LonWorks Bus Segment Example Maximum Number of Nodes Equals 62 One Q7750A Excel 10 Zone Manager 1 node Port for operator terminal access E Vision 1 node Maximum number of Excel 10 Controllers 60 nodes wall modules are not LONWorks Bus nodes Total 62 nodes Two LonWorks Bus Segments Example Maximum Number of Nodes Equals 125 One Q7750A Excel 10 Zone Manager 1 node One Q7751A Router 2 nodes 1 in each LoNWoRks Bus Segment Ports for operator terminal access two E Vision terminals 2 nodes 1 in each Lo
19. function to calculate the optimum time for starting to decrease the effective setpoint smoothly from the unoccupied or standby cooling setpoint to the occupied cooling setpoint This is the heating gradient used to determine the optimum time to start increasing the current effective setpoint smoothly to the occupied setpoint at the beginning of scheduled occupancy This specifies whether a direct wired room temperature sensor is connected to the node or room temperature value from the network is used This variable specifies the digital input function and type of switch The option to be selected is the one which is the condition for a closed switch contact e g normally closed window switch contact 011 WINDOW CLOSED normally open window switch contact WINDOW OPEN NOTE The digital input cannot be configured for an airflow detector with E Vision DI1 MOVEMENT 1 NO MOVEMENT are supported starting with CHC2 version 1 0 2 These configuration settings cause the controller to retain the occupied state for 15 minutes after the last movement is detected continued 40 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING CST able C2 Configuration Variables for W7763 Controllers left User Address Field Name nciChcConfig AI2 config nciChcConfig config nciChcConfig DewpointSetPt nciChcConfig puse nciChcConfig ceiling nciChcConfig output mode 1 nciChcConfig output
20. or or User Address NvName Field Name States plus Range Value Default mocresiauaP sted ace mocresiauar etse mocresius vet manoee Same s mocresas SreOcesensormuP mensas rw Smemmeesus roles secHowoter mocrestausP mode M alam ope sooner _ moCrestusP ef window open Smesmmeoesme semp mensas _ rw window open secos menester condensation Smesmeoesms soup pstono mecnesasr setpt SeceTemptt recess corem SrcHeatPos nvoHeatOutput SNVT lev percent 0 to 100 163 835 INVALID nvoSensor override_button Bit NOT_PRESSED 0 PRESSED 1 nvoSensor contact state DI1 Bit CONTACT OPEN 0 CONTACT CLOSED 1 nvoSensor contact state AI2 Bit CONTACT OPEN 0 CONTACT CLOSED 1 nvoSensor raw data 1 UWORD 0 to 65535 for Setpoint Knob nvoSensor raw data 2 UWORD 0 to 65535 for External Space Temp nvoSensor raw data 3 UWORD 0 to 65535 for Input 2 nvoSensor raw data 4 UWORD 0 to 65535 for Humidity
21. type 0 EN nciChcConfig output mode 0 nciChcConfig output type 1 Digital Engineering Units State English Metric or or States plus Range BYTE AI2 COLD WATER DI2 WINDOW CLOSED DI2 OCCUPIED SENSOR DI2 CHANGEOVER COOL DI2 WINDOW OPEN DI2 UNOCCUPIED SENSD I2 CHANGEOVER HEAT DI2 CONDENSATION DI2 NO CONDENSATION DI2 MOVEMENT DI2 NO MOVEMENT AI2 NOT USED BYTE Default AI2 NOT USED AI3 HUMIDITY AI3 NOT USED AI3 NOT USED SNVT temp p 35 C 10 to 35 C SNVT_temp_p 1to4K Bit NO YES BYTE OUTP_HEATING OUTP_COOLING 0 1 2 255 OUTP_COOLING 0 1 OUTP_CHANGEOVER 2 OUTP_NOT_USED 255 OUTP_HEATING OUTP_CHANGEOVER BYTE FLOATING FLOATING ONE_STAGE TWO_STAGE THREE_STAGE PWM THERMAL FLOATING_MID BYTE FLOATING FLOATING ONE_STAGE TWO_STAGE THREE_STAGE PWM THERMAL FLOATING_MID OUTP_NOT_USED continued Value BYTE OUTP_COOLING OUTP_HEATING 41 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ESE 74 2990 6 0311 Comments When configured to Al2_COLDWATER a sensor is used to limit the chilled water temperature If the chilled water exceeds the dewpoint limit excluding safety band for more than 5 minutes the cooling valve will be closed and the alarm ALARM H2O TOO COLD w
22. units receive heating and cooling information from the master controller via network variables sent across the LONWORKS Bus There can be a maximum of one wall module active in the room and it must be wired directly to the master controller If a slave controller has a wall module connected to it the wall module will be ignored Configuration of the master controller is the same as for any controller operating alone in a room Configuration of the slave controllers must follow the rules described in this section The following sections correspond to the screens in E Vision used for configuring Chilled Ceiling controllers An additional section discusses binding of network variables to support master slave configurations Output Configuration Options Slave devices must have their outputs configured identically with the master controller The same system type and actuator types must be used Valve run times cycle times and PWM zero and full position configuration options must be the same as well Input Configuration Options Slave controllers may have wall modules connected to them but they must be deactivated while the controllers are operating as slave units They must be configured for no temperature sensor The digital input may be used on the slave units for window open closed and must be configured as such In the case of window sensing the window status network variable must be mapped to the master controller as the slave contr
23. 0 2 the range of configurable values is 2 to 100 K for PI or 1 25 for P control For older versions the valid range is 4 to 100 K This is the integral time for use in the integral portion of the PID loop gain for the cooling mode This is the integral time for use in the integral portion of the PID loop gain for the heating mode This is the derivative time for use in the derivative portion of the PID loop gain for the cooling mode This is the derivative time for use in the derivative portion of the PID loop gain for the heating mode This is the temperature range to be added to the cooling setpoint above which the cooling output is fully open to allow a faster response For thermal actuators it is the hysteresis for thermal control algorithm This is the temperature range to be subtracted from the heating setpoint below which the heating output is fully open to allow a faster response For thermal actuators it is the hysteresis for thermal control algorithm continued 44 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers left Digital Engineering Units State English Metric or User Address NvName Field Name States plus Range Default nciNumValve SNVT_count FOUR_PIPE TWO_PIPE 1 FOUR_PIPE 2 SptCoolOcc nciSetPnts occupied_cool SNVT_temp_p 23 C 10 to 35 C SptCoolStby nciSetPnts standby_cool SNVT_temp_p 25 C 10 to 35 C SptCoolUnocc nciSetPnts uno
24. 0 to 65535 Min continued 59 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ee 74 2990 6 0311 Comments This variable reports the current state of the remote override LED which indicates the effective schedule override resulting from the bypass push button or a network override OC_OCCUPIED 2 flashes per second OC_UNOCCIPIED 1 flash per second OC_BYPASS on OC_STANDBY 2 flashes per second OC_NUL off This is the current operating mode of the node determined by many inputs and arbitrated by control logic CTL_PRESSURIZE and CTL_DE_PRESSURIZE disable the heat cool outputs CTL_MODE_MANUAL allows turning on and off outputs manually through nviTest CTL_MODE_FACTORY_TEST is intended only for the factory CTL_FLOATING_OUT_SYNCH allows enough time 150 valve run time for the valve s are at their initial positions control algorithms are active The controller then goes into one of the normal operating modes such as CTL_COOL When the effective occupancy changes to unoccupied or 24 hours have elapsed since the last start up CTL_FLOATING_OUT_SYNCH mode the controller enters this mode again to reset the floating output position tracking CTL_START_UP_WAIT is the first mode after an application restart No contro
25. 6r0311 58 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value Default SrcOvrdLedS nvoChcStatus r o led SNVT occupancy OC OCCUPIED OC UNCCCIPIED OC BYPASS STANDBY NUL SrcChcModeS nvoChcStatus mode BYTE CTL_COOL CTL_HEAT CTL_PRESSURIZE CTL_DE_PRESSURIZE CTL_MODE_MANUAL CTL_MODE_FACTORY_TEST CTL FLOATING OUT SYNCH CTL START UP WAIT CTL DISABLED nvoChcStatus alarm_type Same as nvoAlarm type nvoChcStatus dic_shed Bit NOT ACTIVE ACTIVE SrcWindowS nvoChcStatus eff_window_open Bit CLOSED or NOT_ASSIGNED OPEN SrcWindowHwS nvoChcStatus hw_window_open Bit CLOSED or NOT_ASSIGNED OPEN SrcConEffS nvoChcStatus condensation_state Bit NO_CONDENSATION CONDENSATION SrcOutput1S nvoChcStatus output_position 0 SNVT_lev_percent 0 to 100 163 835 INVALID SrcOutput2S nvoChcStatus output position 1 SNVT lev percent 0 to 100 163 835 INVALID SrcRmTempSptEffS nvoChcStatus active_set_pt SNVT_temp_p 10 to 35 C 327 67 C INVALID SrcRmTempEffS nvoChcStatus space_temp SNVT_temp_p 0 to 40 C 327 67 C INVALID SrcCoolTempEffS nvoChcStatus cool_temp SNVT_temp_p 0 to 70 C 327 67 C INVALID SrcRmRelHumEffS nvoChcStatus humidity SNVT_lev_percent 0 to 100 163 835 INVALID SrcRestBypassTimeS nvoChcStatus rest_bypass_time UWORD
26. 801 2 Electromagnetic Discharge EN 50140 EN 50204 IEC 1000 4 3 IEC 801 3 Radiated Electromagnetic Field EN 61000 4 4 IEC 1000 4 4 IEC 801 4 Electrical Fast Transient Burst Radiated Emissions and Conducted Emissions EN 55022 1987 Class B CISPR 22 1985 FCC Complies with requirements in FCC Part 15 rules for a Class B Computing Device Design The Excel 10 W7763 Chilled Ceiling Controller is available in All wiring connections to the controllers are made at screw three basic models The W7763C and D have a built in terminal blocks accessible beneath a plastic safety cover setpoint adjustment knob available in relative or absolute Mounting dimensions are shown in Fig 6 degrees C or degrees F scales The W7763C also has a temperature sensor and bypass push button and LED The W7763E has no built in setpoint adjustment temperature AN CAUTION sensor or bypass push button and as such requires setpoint and temperature inputs either from a direct connected wall module or from the LONWorks network All of the controllers are powered by 24 Vac 1 13 16 46 E 74 2990 6 0311 Turn off power prior to connecting to or removing connections from any terminals to avoid electrical shock or equipment damage 3 3 8 86 Honeywell 4 9 16 116 Fig 6 W7763 construction in inches mm 10 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Controller Performance Specificatio
27. 9 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT Se ee 74 2990 6r0311 Comments This is the switching level to turn on stage 1 of the cooling equipment if configured as multistage This is the switching level to turn on stage 2 of the cooling equipment if configured as multistage This is the switching level to turn on stage 2 of the cooling equipment if configured as multistage This is the switching level to turn on stage 1 of the heating equipment if configured as multistage This is the switching level to turn on stage 2 of the heating equipment if configured as multistage This is the switching level to turn on stage 3 of the heating equipment if configured as multistage This value only applies to cool outputs configured as multistage outputs and specifies the hysteresis between switching the cool stages ON and OFF This value only applies to heat outputs configured as multistage outputs and specifies the hysteresis between switching the heat stages ON and OFF This is used to shift the temperature setpoint during demand limit control load shedding When nviDIcShed is different from zero the current occupancy setpoint will be decreased by this value for heating and increased for cooling This is the cooling gradient used by the optimum start
28. A Thermal actuator 12 0 M7410A Electric actuator 0 7 In the case of contactors and similar devices the in rush power ratings should be used as the worst case values when performing power budget calculations Also the application engineer must consider the possible combinations of simul taneously energized outputs and calculate the VA ratings accordingly The worst case that uses the largest possible VA load should be determined when sizing the transformer Line Loss Excel 10 Controllers must receive a minimum supply voltage of 20 Vac If long power or output wire runs are required a voltage drop due to Ohms Law I x R line loss must be considered This line loss can result in a significant increase in total power required and thereby affect transformer sizing The following example is an x R line loss calculation for 200 ft 61m run from a transformer to a W7750 CVAHU Controller drawing 37 VA using two 18 AWG 1 0 mm wires The formula is Loss length of round trip wire run ft x resistance in wire ohms per ft x current in wire amperes From specification data 18 AWG twisted pair wire has 6 38 ohms per 1000 feet Loss 400 ft x 6 38 1000 ohms per ft x 87 VA 24V 4 0 volts This means that four volts are going to be lost between the transformer and the controller therefore to assure the con troller receives at least 20 volts the transformer must output more than 24 volts Because
29. Chilled Ceiling Controller drives the floating control valves to their initial positions and then transitions to one of the control modes When the effective occupancy changes to unoccupied or standby after start up or 24 hours have elapsed since the last start up the Chilled Ceiling Controller transitions to this mode COOLING The Excel 10 Chilled Ceiling Network input DestHvacMode has a value of HVAC_COOL or Controller is controlling in the Cooling HVAC AUTO and the space temperature is above the cooling mode setpoint HEATING The Excel 10 Chilled Ceiling Network input DestHvacMode has the value of HVAC_HEAT or Controller is controlling in the Heating HVAC_AUTO and the space temperature is below the heating mode setpoint MANUAL No control algorithms are active Network input DestManMode has value of MODE_MANUAL Physical inputs are periodically read and digital filtering of analog inputs is turned off to speed up settling time Network input variables are received and output variables are sent periodically Outputs may be turned on or off by settings in network input nviTest FACTORY TEST Control algorithm is disabled special This mode is for factory testing only factory test program runs DISABLED Control algorithms are terminated Network input DestManMode has a value of outputs are turned off turn off sequences are active Frost protection is disabled MODE_DISABLED Condensat
30. Chilled Ceiling Controller has limited power available only 1 5 mA 4 8 V for checking the digital input for contact closures Ensure that contacts used remain within the specified resistance tolerance range closed x 400 even when aged Excel 10 Wall Module Options A typical Chilled Ceiling installation requires an Excel 10 wall module containing a 20k ohm NTC room temperature sensor and additional features depending on the wall module type see Excel 10 wall module literature for further information The W7763C Chilled Ceiling Controller has the following features built in and requires no external wall module setpoint adjustment bypass button status LED LoNWORKS network access jack The W7763D has a setpoint knob and LoNWoRks jack but may require a wall module for temperature sensing and bypass button LED functions The W7763E Controller has only the LoNWoRks jack and would normally require a wall module IMPORTANT Wall modules with fan speed switches must not be used with W7763 Chilled Ceiling Controllers The Chilled Ceiling Controller can be configured to use a return air sensor rather than the sensor in the controller or wall module Setpoint adjustments can be configured as relative or absolute and upper and lower limits can be set The bypass button can be configured to override the control mode to occupied for a configurable bypass time and to override the control mode indefinitely to unoccupied o
31. E controllers or a sensor connected directly to the controller Override button settings may apply to either the built in button W7763C or remote wall module button for W7763D E controllers Setpoint knob settings may apply to the built in setpoint knob W7763C D or remote wall module for W7763E controllers See Control Provided and Configurations section above for more information on parameters Table 14 Chilled Ceiling Controller input configuration options Configuration options Space temperature sensor no sensor sensor sensor Bypass button none bypass button is disabled bypass unoccupied bypass unoccupied bypass button overrides current mode to occupied for configurable bypass time for button press of 1 1 to 4 seconds single press with T7560 or permanently overrides to unoccupied for button press of 4 1 to 7 seconds more than 5 seconds with T7560 bypass bypass button only overrides current mode to occupied and to cancel the override again LED LCD LED override shows override from bypass button or from network LED override LED occupancy shows effective occupancy mode LCD display only used with T7560 Wall Modules occupancy mode is represented by different symbols Setpoint knob no knob relative relative absolute middle Minimum limit setpoint pot limit for setpoint knob in either degrees F absolute setpoint 53 6 to 9 DDF 53 6 F for 86 F or DDF relative setpoint 9 to 9 DDF absolute setpoint lim
32. Honeywell Excel 10 W7763C D E CHILLED CEILING CONTROLLERS HONEYWELL EXCEL 5000 OPEN SYSTEM SYSTEM ENGINEERING CONTENTS REVISION OVOIVIOW 2 P 3 Description e gar ule E 3 Covered E 4 Organization of Manual 4 Applicable Literature 4 4 Control Application 5 Control Provided 5 Ere 6 P H E 7 EDI CD 5 wee 7 Energy Saving 7 OCCUPANCY Sfatus ettet 8 Operating 9 Condensation Protection 2 44 4 020111 nene nine nenne 9 Agency 10 Biene c PI 10 Controller Performance Specifications 11 COMMQUPATIONS isaac M 12
33. LONWORKS jack Other products e Q7750A Excel 10 Zone Manager Q7751A Bus Router US only Q7752A Serial Adapter US only AK3781 LoNWoRks non plenum 22 AWG 0 325 mm twisted pair solid conductor non shielded wire one twisted pair US only AK3782 LoNWoRks non plenum 22 AWG 0 325 mm twisted pair solid conductor non shielded wire two twisted pairs US only AK3791 LoNWoRks plenum 22 AWG 0 325 mm twisted pair solid conductor non shielded wire one twisted pair US only AK3792 LoNWoRks plenum 22 AWG 0 325 mm twisted pair solid conductor non shielded wire two twisted pairs US only C7608A Return Air Sensor Europe only VF20A Strap on Temperature Sensor Europe only Refer to the Table 12 see Application Steps Step 5 Order Equipment for complete listing of all available part numbers EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Control Application Chilled Ceiling systems in commercial buildings control room temperature through the control of heat and or cold water valves W7763 Chilled Ceiling Controllers cover a wide range of applications including radiators induction units chilled ceiling and chilled beam The Chilled Ceiling controller is typically connected to an Excel 10 wall module incorporating a W7763E CHILLED CEILING CONTROLLER temperature sensor setpoint and a bypass or override button Connection of a humidity sensor and chilled wate
34. NEERING APPENDIX C COMPLETE LIST OF EXCEL 10 CHILLED CEILING CONTROLLER USER ADDRESSES Table 23 Analog points engineering units English Units Inch Pound Standard International Units SI Abbreviations Abbreviations Measured Item used in CARE used in CARE and E Vision and E Vision Degrees Fahrenheit F Degrees Celsius C Delta Degrees Fahrenheit DDF Kelvin K The following tables list all network variables associated with the W7763 Controller and the default User Address names Point attributes given are defined as follows SHD Sharable bindable points can be set up for data sharing in Command Multiple Points Read Multiple Points or Refer Excel 10 Points as either a data source or a destination MAP Mappable can be converted into a C Bus point use by C Bus devices A mappable point has a one to one relationship with a C Bus User Address DIR Direct Access points are accessible through the Subsystem Points mechanism in XBS MON These points are viewable within the E Vision Controller Monitoring on line screen PAR refers to control parameters settable in the Application Selection dialog boxes in E Vision Heartbeat These points are either sent out on the network outputs or received from the network inputs at a certain fixed interval NOTES 1 Mapped points be viewed and changed on C Bus devices such as 581 582 and XI584 and an 5 central and LiveCA
35. NG Table 22 Excel 10 Chilled Ceiling Controller alarms Name of alarm or alarm bit Alarm type Meaning of alarm code or alarm bit number No Alarm Return to Normal a el RETURN_TO_NORMAL Return to no error after being in an error condition This code is added numerically to another alarm code to indicate that the error condition has returned to normal ALARM_NOTIFY_DISABLED 255 The alarm reporting has been turned off by the nviManualMode SUPPRESS_ALARMS No more alarms are reported until nviManualMode turns on alarm reporting or upon application restart NO_ALARM EN No errors since last application restart initial condition Chilled Ceiling Alarms ALARM_NODE_OFF 1 Control algorithm has stopped due to controller disabled or in test mode or other conditions ALARM_FROST 2 The space temperature is below the frost alarm limit The alarm condition remains until the temperature exceeds the alarm limit plus hysteresis ALARM_INVALID_SETPOINTS One of the setpoints is not in the valid range ALARM_TEMP_SENSOR Temperature sensor failed ALARM_SETPOINT_KNOB Remote setpoint potentiometer failed ALARM_FD_SPACE_TEMP nviSpaceTemp is bound and has failed in receiving an update within its specified FAILURE_DETECT_TIME ALARM_FD_APPL_MODE nviApplicMode is bound and has failed in receiving an update within its specified FAILURE_DETECT_TIME ALARM_FD_SETPT_OFFSET 10 nviSetPtOffset is bound and has failed in receiving an update within its sp
36. NWoRks Bus Segment Maximum number of Excel 10 Controllers in segment number one 60 nodes wall modules are not LoNWoRks Bus nodes Maximum number of Excel 10 Controllers in segment number two 60 nodes wall modules are not LoNWoRks Bus nodes Total 125 nodes The maximum length of an FTT LoNWoRks Bus segment is 4600 ft 1400 m for a daisy chain configuration or 1650 ft 500 m total wire length and 400 m node to node for any other type of configuration NOTE the case of FTT LonWorks Bus segments the distance from each transceiver to all other transceivers and to the termination must not exceed the maximum node to node distance If multiple paths exist the longest one should be used for the calculation If longer runs are required add a Q7751A Router to partition the system into two segments It is not legal to use more than one router per Excel 10 Zone Manager In addition all LoNWoRks Bus segments require the installation of a Bus Termination Module In the case of an FTT LoNWoRks Bus segment one or two Termination Modules may be required depending upon the bus configuration See Application Step 3 Lay Out Communications and Power Wiring and the LoNWoRks Bus Termination Module subsection in Application Step 4 for more details Q7750A2xxx ZONE MANAGER Honeywell o o o W7763 CHILLED CEILING CONTROLLER Step 3 Lay Out Communications and Power Wiring LonWorks Layout The co
37. RE 2 All Excel 10 points mappable and calibration configuration and internal data sharing points can be viewed and changed as allowed via Direct Access DA mode in the XBS subsystem menu or 584 The tables are divided as follows Table C2 Configuration variables Table C3 Input variables Table C4 Output variables Table C5 Unused variables NOTE Table C5 includes network variables related to reheat The W7763 Chilled Ceiling Controller does not have outputs for direct connection of these devices however the network inputs and outputs could be used for a master slave configuration with a slave controller which does have such outputs e g W7752D Such a configuration is not recommended For more information about these network variables see W7752 Fan Coil Unit System Engineering product literature no 74 2961 74 2990 6 0311 36 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers left Engineering Units English Metric or User Address NvName Field Name States plus Range ApplType nciApplVer application_type UBYTE 0 to 255 ApplVer nciApplVer UBYTE 0 to 255 0 nciApplVer time 0 UBYTE 0 to 255 ApplTime1 nciApplVer time 1 UBYTE 0 to 255 ApplTime2 nciApplVer time 2 UBYTE 0 to 255 nciApplVer time 3 UBYTE 0 to 255 ch 0 17 UBYTE 0 to 255 nciMaxSendTime SNVT temp p 0 s from factory 60 s t
38. RM nvoStatus report mask Bit NO REPORT MASK REPORT MASK continued 63 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT 74 2990 6 0311 Comments This is the set point from the wall module setpoint knob and may be absolute or relative depending upon nciWallMod set_pnt_knob This is the measured space temperature accurately reported between 0 C and 40 C This is used to establish hardware dependent factory default configuration settings for the Chilled Ceiling controller This is an output showing the state of the hard wired occupancy sensor if one is configured by nciChcConfig DI1 config OC_NUL means no input is available because it is not bound or not configured by nciChcConfig DI1 config This output reports the dewpoint calculated by the controller based on room temperature and humidity This is the sensed space temperature at the node taken from the locally wired sensor It is typically bound to nviSpaceTemp of another node that may not have its own space temperature sensor but controls the same space It is also used for monitoring purposes showing the current space temperature used for the control algorithm nvoSpaceTemp is transmitted immediately when its value has changed s
39. RTING INTO TERMINAL AND TIGHTENING SCREW THEN PULL ON EACH WIRE IN ALL TERMINALS TO CHECK FOR GOOD MECHANICAL CONNECTION Fig 15 Attaching two or more wires at terminal blocks 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING TE TEME HUMIDITY W7763 CHILLED OCCUPANCY SENSOR CEILING CONTROLLER L 0 10V CHANGEOVER CONTACT AIRFLOW CONTACT WINDOW CONTACT MOTION SENSOR 24 VAC 24 VAC COM OUT 1 COM OUT 1 OPEN OUT 1 CLOSE OUT 2 COM BYPASS A OUT 2 OPEN 8 sETPT OUT 2 CLOSE E BUS LON E BUS LON LoNWoRKS NETWORK IN CONNECTIONS WALL MODULE gt LonWorks NETWORK OUT A Wall module setpoint connection for W7763E only A Wall module bypass and LED connections for W7763D and E only A There is no logic between input 1 and 2 for example only one of the inputs can be used for the window contact not both This feature is available only with firmware version 1 0 4 or higher Fig 16 W7763 Chilled Ceiling Controller wiring example Table 11 Output assignments for various actuator types output type un 5 s v 5 Fosing open cose 24 open dese ____ ont stage ee ee eee Thermal 24Vas LonWorks Bus Termination Module One or two LoNWoRks Bus Termination Modules part no
40. SURIZE or EMERG DEPRESSURIZE and restores the control algorithm EMERG PRESSURIZE heat cool outputs off EMERG DEPRESSURIZE heat cool outputs closed This is used by the engineering tool or other supervisory node that it is logged on to the controller node It should be set every minute or the controller will reset it after 60s to automatically log off the supervisory node This can be used for master slave installations where the cool output is controlled by an external controller node In this case the output signal of the external cool control algorithm 0 100 has to be bound to nviManCool which would take over the task of the local slave control algorithm while the switch levels operate as locally configured The heating output will be closed This can be used for master slave installations where the heat output is controlled by an external controller node In this case the output signal of the external heat control algorithm 0 100 has to be bound to nviManHeat which would take over the task of the local slave control algorithm while the switch levels operate as locally configured The cooling output will be closed This is an input from an network connected operator interface or other node that indicates the state of manual occupancy control schedule override It has priority over the time program DestSchedOcc When the BYPASS mode is set then the Bypass time is active When the bypass time is elapsed the master control
41. Sensor nvoSensor raw data 5 UWORD 0 to 65535 for Internal Space Temp continued 61 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ee 74 2990 6 0311 Comments Same as nvoChcStatus except not sent as heartbeat This variable is sent only in response to a poll request typically from a supervisory device Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus Same as nvoChcStatus This is the heating output that is typically used for monitoring or bound to a heat actuator node or another Excel 10 controller operating as slave nvoHeatOutput will be transmitted immediately when its value has changed significantly gt 1 and periodically according to nciSndHrtBt The output value represents the output of the control algorithm but is limited to a range of 0 to 100 This indicates the status of the override push button This indicates the digital state of input 1 This indicates
42. Status2 and SrcAlarmStatus3 which is composed of three bytes nvoAlarmStatus alarm_bit n with n 0 31 through 2 with a bit corresponding to each of the alarms listed in Table 22 The coding is ordered in that the least significant bit of nvoAlarmStatus alarm bit 0 corresponding to alarm type 1 the most significant bit corresponding to alarm type 8 the least significant bit of nvoAlarmStatus alarm bit 1 corresponding to alarm type 9 and so on Even alarms that are suppressed in nvoAlarm see below are contained in nvoAlarmStatus Also the Excel 10 Chilled Ceiling Controller variables nvoAlarmLog type n where n is 0 through 4 User Addresses SrcAlarmLog1 through SrcAlarmLog5 that store the last five alarms to occur in the controller are available These points can be viewed through XBS or E Vision Certain alarm conditions are suppressed conditionally as follows If an input network variable with failure detect is bound to the same node as nvoAlarm then nvoAlarm and nvoAlarmLog do not report the related Chilled Ceiling Controller variable receive failure error and its associated return to normal Suppression only occurs when the nvoAlarm is bound to only one node using LONWorks subnet node addressing and only after the input variable has actually received a network variable from the node since the latest application restart or power up condition 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERI
43. Strasse 17 71101 Sch naich Germany Phone 49 7031 63701 Fax 49 7031 637493 http ecc emea honeywell com Subject to change without notice Printed in Germany 74 2990 6 0311
44. Table 7 address considerations for engineering an Excel 10 Chilled Ceiling System These steps are guidelines intended to aid understanding of the product I O options bus arrangement choices configuration options and the Excel 10 Chilled Ceiling Controllers role in the overall EXCEL 5000 System architecture Table 7 Application steps Step No Description Plan The System Determine Other Bus Devices Required Lay out Communication and Power Wiring Prepare Wiring Diagrams Order Equipment Configure Controllers Troubleshooting Step 1 Plan The System Plan the use of the W7763 Controllers according to the job requirements Determine the location functionality and sensor or actuator usage Verify the sales estimate of the number of W7763 Controllers and wall modules required for each model type Also check the number and type of output actuators and other accessories required NIGA Go gt When planning the system layout consider potential expansion possibilities to allow for future growth Planning is very important to be prepared for adding HVAC systems and controllers in future projects NOTEBOOK PC USING E VISION CHILLED CEILING CONTROLLER SHIELDED INTERFACE CABLE Fig 9 Connecting the portable operator terminal to LonWorks Bus 74 2990 6r0311 16 LonWorks communication loop between controllers must be laid out according to the guid
45. able 22 SrcTermLoad This indicates the current calculated terminal 160 to 160 percent XBS for monitoring cooling load as a percentage of what the unit is designed to handle Positive value indicates a cooling load Negative value indicates a heating load SrcRmTempSptEffS This indicates the current temperature control 50 to 95 F 10 to XBS for monitoring point calculated from the various Setpoints and 35 C Operating modes NOTE E Vision handles the mapping process for C Bus accessible Excel 10 points If custom mapping arrangements are required see Appendix D for a complete listing of the Excel 10 Chilled Ceiling Controller User Addresses Table 21 Mapping of source points elsewhere LOoNWoRks Bus or C Bus to Excel 10 Chilled Ceiling Controller receiver points typical source typical destination non Excel 10 7 Excel 10 Chilled Controller description EE SEITE Ceiling Controller variable name name OccSignal Signal containing TOD Schedule mode command from Occupied DestSchedOcc the Excel 10 Zone Manager or a C Bus controller Unoccupied Standby HvacMode Signal from main equipment controller to command the Cooling DestHvacMode Excel 10 Chilled Ceiling Controller into a particular Heating mode of operation Auto Off DmndShed Signal containing the Shed mode command based Shed not Active DestDlcShed electrical demand from the Excel 10 Zone Manager or Shed Active a C Bus controller When sign
46. al is TRUE the value in DicStptBump is added to the Space Temperature Setpoint SetPtReset Amount in degrees to add to the temperature setpoint 5 to 5 F DestSptOffset reading for energy savings Typically sent from another 3 to 3 C controller doing EMS calculations 74 2990 6 0311 30 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Step 7 Troubleshooting Troubleshooting Excel 10 Chilled Ceiling Controllers and Wall Modules In addition to the following information refer to the various Checkout and Test manuals for these products See Applicable Literature section for form numbers Alarms When an Excel 10 Chilled Ceiling Controller has an alarm condition it reports it to the central node on the LONWORKS Bus typically the Excel 10 Zone Manager via the variable nvoAlarm See Table 22 The information contained in nvoAlarm is Subnet Number The LoNWoRks Bus subnet that contains the Excel 10 Chilled Ceiling Controller node that has the alarm condition Subnet 1 is on the Zone Manager side of the router Subnet 2 is on the opposite side e Node Number The Excel 10 Chilled Ceiling Controller node that has the alarm condition e Alarm Type The specific alarm being issued and return to normal An Excel 10 Chilled Ceiling Controller can provide the alarm types listed in Table 22 All current alarms are contained in a variable called nvoAlarmStatus User Addresses SrcAlarmStatus1 SrcAlarm
47. algorithm network interface or physical input output subsystem was made that does not affect compatibility with other nodes or the equipment controlled by the node Lo x Node type number 74 2990 6r0311 66 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value nciCntriSettings reheat switch level SNVT lev percent 10096 0 to 100 nciCntriSettings reheat hysteresis SNVT lev percent 5 0 to reseve bits __ reheat reheat_config BYTE REL_NOT_USED REHEAT 0 FREE_USE 1 REL_NOT_USED 255 nciChcConfig unused1 continued 67 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ane eee _ ee 74 2990 6r0311 68 Comments continued EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value nviReheatRelay val
48. ary SNVT_lev_percent 0 to 100 163 835 INVALID nvoUnitStatus econ_output SNVT_lev_percent not supported nvoChcStatusP nvoChcStatusP nvoChcStatusP nvoReheat m nvoSensor nvoSensor nvoStatus nvoStatus nvoStatus nvoStatus nvoStatus nvoStatus nvoStatus nvoStatus nvoStatus P nvoStatus nvoStatus nvoStatus 71 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT Comments APPENDIX D Q7750A EXCEL 10 ZONE MANAGER POINT ESTIMATING GUIDE Memory size approximation is shown in Fig 21 All sizes in When memory size is greater than 128 Kbytes the size is too bytes When memory size is less than 110 Kbytes the size is large The application size must be reduced as described adequate above When memory size is between 110 and 128 Kbytes the 1 1 1 1 application may be too large The user must expect to reduce Approximate Memory Size Estimating the application complexity reduce the number of attached Procedure Excel 10 Chilled Ceiling Controllers or distribute the Excel 10 1 Determine the number of points per controller required Chilled Ceiling Controllers among more than one Zone at the Central for example XBS Manager 74 2990 6 0311 72 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING NOTE All remai
49. ased tool used to monitor and change parameters in C Bus devices LonWorks Segment LoNWoRks section containing no more than 60 Excel 10s Two segments can be joined together using a router NEC National Electrical Code the body of standards for safe field wiring practices NEMA National Electrical Manufacturers Association the standards developed by an organization of companies for safe field wiring practices NV Network Variable an Excel 10 Controller parameter that can be viewed or modified over the LONWORKS network OEM Original Equipment Manufacturer the company that builds the fan coil units PC Personal Computer Pot Potentiometer a variable resistance electronic component located on Excel 10 wall modules Used to allow user adjusted Setpoints to be input into the Excel 10 Chilled Ceiling Controller Subnet LONWORKS segment that is separated by a router from its Q7750A Zone Manager TOD Time Of Day the scheduling of Occupied and Unoccupied times of operation VA Volt Amperes a measure of electrical power output or consumption as applicable to an a c device Vac Voltage alternating current a c voltage as opposed to d c voltage XBS Excel Building Supervisor a PC based tool for monitoring and changing parameters in C Bus devices 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING APPLICATION STEPS Overview Steps one through seven see
50. cc status hw override reverts from OC BYPASS to OC NUL to quit the bypass override function This is the low limit for the setpoint knob It can be relative or absolute depending on the configuration in nciWallMod set pnt knob This is the high limit for the setpoint knob It can be relative or absolute depending on the configuration in nciWallMod set pnt knob The space temperature sensor is corrected by adding this calibration setting an offset value to the sensed value This specifies whether the setpoint used is from the knob on the wall module connected to the controller or ifrom the network via nciTempSetPts If set to NO all setpoints to be used come from the network via nciTempSetPts If set to YES an additional option set pnt knob must be set to specify type of setpoint adjustment see below This setting specifies the usage of the setpoint knob on the wall module for the occupied setpoint OFFSET specifies a relative scale on the wall module where the setpoint is calculated by adding the setpoint potentiometer value 5 K to the appropriate value of nciTempSetPts ABSOLUTE MIDDLE specifies an absolute scale on the wall module The setpoint knob directly determines the center point of occupied cooling and heating setpoints The respective cooling and heating setpoint is determined by the setpoint knob position adding or subtracting half of the user selectable ZEB defined in nciSetPnts occ mode nciSetPnts occ mode
51. ccupied_cool SNVT_temp_p 28 C 10 to 35 C SptHeatOcc nciSetPnts occupied_heat SNVT_temp_p 21 C 10 to 35 C SptHeatStby nciSetPnts standby_heat SNVT_temp_p 19 C 10 to 35 C SptHeatUnocc nciSetPnts unoccupied_heat SNVT_temp_p 16 C 10 to 35 C BypTime nciWallMod ui_bypass_time UWORD 180 min 0 to 1080 minutes SptKnobLowLim nciWallMod si_low_setpt SNVT_temp_p 5 K relative 5 to 5 K for relative 12 to 30 C for absolute SptKnobHiLim nciWallMod si_high_setpt SNVT_temp_p 5 K relative 5 to 5 K for relative 12 to 30 C for absolute nciWallMod si space temp zero cal SNVT temp p 5to5K UseWallModSpt nciWallMod use_wall_mod_st_pt 0 1 SptKnob nciWallMod set_pnt_knob 2 Bits OFFSET OFFSET 0 ABSOLUTE_MIDDLE 2 0 1 2 0 1 0 1 2 nciWallMod override_type 2 Bits BYPASS_UNOCCUPIED NO_BUTTON BYPASS_UNOCCUPIED BYPASS nciWallMod override_priority Bit LAST_WINS LAST_WINS NETWORK_WINS LED_OVERRIDE nciWallMod display_type Bit LED_OVERRIDE LED_OCCUPANCY LCD_DISPLAY 45 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT SH MAC 74 2990 6 0311 Comments This is the configuration property used to specify a two pipe system one valve or a four pipe system two valves If set to TWO_PIPE only the output terminals for output1 are
52. cel 10 T7770 Wall Modules Installation 95 7538 Instructions 74 2950 Excel 10 Q7750A Excel 10 Zone Manager Specification Data 74 2951 Excel 10 Q7750A Excel 10 Zone Manager Checkout and Test Manual 95 7509 Excel 10 Q7750A Zone Manager Installation Instructions Excel 10 FTT LPT 209541B Termination Module 95 7554 Installation Instructions 95 7510 Excel 10 Q7751A Router Installation Instructions Excel 10 Q7752A Serial Interface Installation 95 7511 Instructions 74 2039 XBS User s Manual 74 5018 XBS Application Guide e W7763C Chilled Ceiling Controller with integral setpoint adjustment temperature sensor and bypass push button W7763D Chilled Ceiling Controller with integral setpoint adjustment only W7763E Chilled Ceiling Controller with no integral setpoint adjustment sensor or bypass push button The W7763 Chilled Ceiling Controllers can use any of the following Wall Modules T7460A with temperature sensor T7460B with temperature sensor and setpoint adjustment T7460C with temperature sensor setpoint adjustment and bypass button and LED T7770A Wall Module with temperature sensor and optional LONWORKS jack T7770B Wall Module with temperature sensor setpoint adjustment and LONWoRKS jack e T7770C Wall Module with temperature sensor setpoint adjustment bypass button and LED and LoNWORKS jack T7770D Wall Module with temperature sensor bypass button and LED and
53. d by the control algorithm depending upon the room temperature and effective setpoint is invalid for changeover applications When the Digital input is configured as Heat Cool changeover input this input will always have priority over the network nviApplicMode s HVAC_HEAT or HVAC_COOL This input allows use of a condensation switch from another node on the network The network input has priority over a sensor connected directly to the controller See above This is the input for the chilled water temperature coming from another node on the network to be used for dewpoint protection It is compared to either the calculated dewpoint or the configured dewpoint if no humidity sensor is available plus the safety band and causes the controller to shut down the cooling valve if it is below the limit The network input has priority over a sensor connected directly to the controller This is an input from an energy management system e g Zone Manager When it is 0 the temperature control algorithm operates in a normal mode When it is 1 the effective setpoint will be shifted by the amount defined in nciEmergyManag si dlc setpt bump For cooling the effective setpoint will be increased for heating the effective setpoint will be decreased always regarding the frost limits It is an emergency input from a device that determines the correct action during a given emergency such as a fire NORMAL terminates EMERG_PRES
54. ecified FAILURE_DETECT_TIME ALARM_FD_TOD_EVENT 11 nviTodEvent is bound and has failed in receiving an update within its specified FAILURE_DETECT_TIME ALARM_FD_DLC_SHED 12 nviDIcShed is bound and has failed in receiving an update within its specified FAILURE DETECT TIME ALARM FD HUMIDITY 13 nviSpaceRH is bound and has failed in receiving an update within its specified FAILURE DETECT TIME ALARM FD OD TEMP 14 nviOdTemp is bound and has failed in receiving an update within its specified FAILURE DETECT TIME ALARM FD SENSOR OCC 15 nviSensorOcc is bound and has failed in receiving an update within its specified FAILURE DETECT TIME ALARM FD WINDOW nviEnergyHoldOff is bound and has failed in receiving an update within its specified FAILURE DETECT TIME ALARM FD MAN HEAT nviManHeat is bound and has failed in receiving an update within its ALARM FD MAN COOL specified FAILURE DETECT TIME nviManCool is bound and has failed in receiving an update within its specified FAILURE DETECT TIME The software is not compatible with the hardware configuration specified by the hardware configuration resistor value Compatibility is checked only once after application restart ALARM FD COOL TEMP The chilled water temperature has fallen below the dewpoint plus safety band This causes the cooling valve to be closed ALARM 20 TOO COOL ALARM CONDENSATION Condensation has been detected This causes the cooling valve to be closed 74 2990 6 0311 32
55. ed via nvoAlarm At the time a new nvoAlarm is issued nvoAlarmLog is updated See above See above See above See above nvoAlarmLog alarm type 4 is the oldest alarm This is a polled output containing a list of all the current errors detected by the node A search for error conditions in the node is made periodically A central node may poll the nvoAlarmStatus output for all of the current errors nvoAlarmStatus contains all the current detected errors even though they may be suppressed for reporting by nvoAlarm See above See above This is an output used to coordinate the slave devices with the master controller It reflects the current heat cool medium based on supply energy available This is required for configurations with heat cool changeover HVAC OFF switches the heat cool control off while still providing frost protection and reporting status and alarms This is the cooling output that is typically used for monitoring or bound to a cooling actuator node or another controller operating as slave nvoCoolOutput will be transmitted immediately when its value has changed significantly gt 1 and periodically according to nciSndHrtBt The output value represents the output of the control algorithm but is limited to a range of 0 to 100 This indicates the binary states of the controller s digital input which can be configured to support a window contact an occupancy sensor an airflow contact heat cool changeover contact or
56. efault values shown are listed in the following tables See Control Provided and Configurations sections above for more information on parameters Table 17 Chilled Ceiling Controller zone configuration options Funon Configuration options Defauk Heating standby setpoint 50 to 95 F 10 to 35 C 66 2 F 19 C Cooling unoccupied setpoint 50 to 95 F 10 to 35 C 82 4 F 28 C Heating unoccupied setpoint 50 to 95 F 10 to 35 C 60 8 F 16 C Dewpoint setpoint 50 to 95 F 10 to 35 C 95 F 35 C Dewpoint safety 1 8 to 7 2 DDF 1 to 4 K 1 8 DDF 1 K NOTES 1 Default setpoints are used when there is no setpoint knob and no network setpoint input 2 Ensure that unoccupied heating lt occupied heating lt occupied cooling lt unoccupied cooling and standby heating lt standby cooling Miscellaneous The available options for the miscellaneous tab with the default values shown are listed in the following tables See Control Provided and Configurations sections above for more information on parameters Table 18 Chilled Ceiling Controller miscellaneous configuration options Function Configuration options Default Bypass time 0 to 1080 minutes 180 minutes Override priority last wins the last command from either the wall module or from the Last wins network has priority network wins a network command always has priority until canceled Demand limit control bump 0 to 10 K 2K Cool rec ramp 20
57. elines applicable for that topology Chilled Ceiling Controllers use FTT technology that allows daisy chain star loop or combinations of these bus configurations See Application Step 3 Lay Out Communications and Power Wiring for more information on bus wiring layout and see Fig 10 Fig 11 and Fig 12 in Application Step 4 Prepare Wiring Diagrams for wiring details It is important to understand the interrelationships between controllers on the LoNWORKS early in the job engineering process to ensure their implementation when configuring the controllers See Application Step 6 Configure Controllers for information on the various Excel 10 Chilled Ceiling Controller parameters and on Excel 10 Chilled Ceiling Controller point mapping The T7770 Wall Modules can be installed only as devices or additional wiring can be run to them for the LONWORKS network to allow a CARE E Vision operator terminal to have access to the LoNWoRks Bus It must be determined and documented prior to installation which T7770 Wall Modules will have their LONWoRKS Bus network jacks connected Step 2 Determine Other Bus Devices Required A maximum of 62 nodes can communicate on a single LonWorks Bus segment If more nodes are required a router is necessary Using a router allows up to 125 nodes divided between two LONWoRks Bus segments The router accounts for two of these nodes one node on each side of the router a Q7750A Excel 10 Zone Manager
58. er switches and keep at least 3 in 76 mm of separation between noisy lines and the LONWorKs Bus cable Make sure that neither of the LONWorks Bus wires is grounded Power Wiring A power budget must be calculated for each Excel 10 W7763 Controller to determine the required transformer size for proper operation A power budget is simply the summing of the maximum power draw ratings in VA of all the devices to be controlled by an Excel 10 W7763 Controller This includes the controller itself the equipment and various contactors and transducers as appropriate for the Excel 10 con figuration Power Budget Calculation Example The following is an example power budget calculation for a typical W7763 Excel 10 Chilled Ceiling Controller Assume a W7763 unit with a thermal actuator for cooling control and an electric actuator for heating The power requirements are Device VA Excel 10 W7763 0 5 Chilled Ceiling Controller Information obtained from W7763 Specification Data Z100A 12 0 Thermal actuator Product Data M7410A 0 7 Electric Actuator TOTAL 13 2 VA Product Data The Excel 10 System example requires 13 2 VA of peak power therefore 48 VA CRT 2 20 VA AT20A for US Transformer is able to provide ample power for this controller and its accessories Table 9 VA Ratings for Transformer Sizing Device Description VA W7763C D E 10 Chilled Ceiling Controller 0 5 T7560A DWM 0 2 Z100
59. ers Table 15 Chilled Ceiling Controller equipment control configuration options Output 1 valve direction direct direct revers Output 2 valve direction direct direct reverse Output 1 minimum stage off time 0 to 600 seconds Output 2 minimum stage off time 0 to 600 seconds Output 1 valve run time PWM floating floating mid valve run time 20 to 600 seconds 150 5 period minimum stage on time PWM cycle time 20 to 600 seconds 1 2 and 3 stage minimum on time 0 to 1200 seconds Output 2 valve run time PWM floating floating mid valve run time 20 to 600 seconds 150 5 period minimum stage on PWM cycle time 20 to 600 seconds 1 2 and 3 stage minimum on time 0 to 1200 seconds PWM zero position 0 to 10096 PWM full position 0 to 10096 100 NOTES 1 Valve action settings apply to floating PWM or thermal types 2 Settings apply to both actuators if both are PWM Switching Levels The available options for switching level configurations with the default values shown are listed in the following tables See Configurations section above for more information on parameters Table 16 Chilled Ceiling Controller Heating Cooling stages configuration options Function Configuration options Defaut Cooling hysteresis 0 to 100 Heating hysteresis 0 to 100 27 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Zone Options The available options for input configurations with the d
60. etpoint Knob W7763C and D Chilled Ceiling Controllers have a built in setpoint potentiometer W7763E controllers may have an Excel 10 wall module with setpoint potentiometer connected to them When configured UseWallModSpt the value from the setpoint knob is used to calculate the cooling or heating Occupied setpoint There are two options SptKnob that determine how the setpoint to be used by the control algorithm is calculated Relative or Offset and Absolute Middle When configured for Relative the Wall Module setpoint knob represents a number from 5 to 5 C 9 to 9 F which is added to the software occupied setpoints for the heat and the cool modes SptCoolOcc and SptHeatOcc When SptKnob is set to Absolute Middle the setpoint knob becomes the center of the Zero Energy Band ZEB between the cooling and heating occupied setpoints The range of the ZEB is found by taking the difference between the configured heating and cooling occupied setpoints therefore for Absolute Middle the actual setpoints are found as follows SrcRmTempSptEff in cooling mode SrcRmTempSptHw SptCoolOcc SptHeatOcc 2 SrcRmTempSptEff in heating mode SrcRmTempSptHw SptCoolOcc SptHeatOcc 2 During Standby and Unoccupied modes the remote setpoint knob is ignored and the configured setpoints for those modes are used instead Setpoint Limits Setpoint knob limits are provided by SptKnobLoLim and SptKnobHiLim The occupied setpoi
61. gh E Vision The ID number can either be manually entered or it can be received from the network Pressing the bypass push button on the wall module for a Chilled Ceiling Controller or on the controller itself causes it to broadcast a service message containing its Neuron ID number E Vision is used to perform both methods see E Vision User Guide Configuring the Zone Manager The Q7750A Excel 10 Zone Manager sends out a one time LoNWoRks message containing its 48 bit Neuron ID after any power up WARMSTART or when the Excel 10 Zone Manager is reset by pressing the reset button IMPORTANT Pressing the reset button on the Excel 10 Zone Manager causes all application files in the 07750 including the C Bus setup to be lost The LONWoRKS message is sent out one time and only on the LonWorks Bus not on the B Port The message will be the same as the one generated after pressing the service button which is available on Excel 10 Chilled Ceiling Controllers via the wall module bypass push button E Vision uses this message to assign the node address The Assign ID procedure is the same as for an Excel 10 Chilled Ceiling Controller except instead of pressing the bypass button the reset button must be pressed or the power must be cycled down then up on the Q7750A Excel 10 Zone Manager Excel 10 Chilled Ceiling Controller Point Mapping In typical Excel 10 Chilled Ceiling Systems there are often variables that contain values or informa
62. if bound but fails to be received or at application restart continued 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT SH MAS BA 74 2990 6 0311 Comments This is an input that is used to disable the controller s control algorithms in order to manually set its physical outputs The controller still responds to smoke purge even when disabled or set to manual or factory test mode It remains unchanged until another mode has been commanded or an application restart has been performed MODE_ENABLE starts the control algorithm at an initial state after MODE_DISABLE or MODE_MANUAL MODE_DISABLE all outputs switched off the alarm ALARM_NODE_OFF is issued MODE MANUAL all control loops are disabled and the alarm ALARM NODE OFF is issued The outputs can be controlled manually via the nviTest command SUPPRESS ALARMS nvoAlarm is not sent and nvoAlarmStatus and nvoAlarmLog are not updated until UNSUPPRESS ALARMS is set or an application restart UNSUPPRESS ALARMS releases alarm suppression after SUPPRESS ALARMS This input variable belongs to the Node Object and provides the mechanism to request a particular mode for a particular object within a node See above Commanding any modes other the ones listed will result in an invalid request when readi
63. ignificantly gt 0 5 delta C The reported space temperature includes the offset correction nciWallMod si space temp zero cal If a space temperature sensor is not connected or is shorted or if nviSpaceTemp is bound to another node nvoSpaceTemp is not reported on the network This output belongs to the Node Object and reports the status for any object on a node This is the answer to the nviRequest This indicates whether nviRequest uses a fault object ID This indicates whether nviRequest uses a fault request This indicates whether the device is enabled or disabled nviManualMode DISABLE This indicates whether an update nviRcvHrtBt is missing This indicates whether an alarm occurred See nvoAlarm This shows the answer to nviRequest REPORT MASK continued 64 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value Default SrcTermLoad nvoTerminalLoad SNVT_lev_percent 163 163 163 835 INVALID SrcHvacModeU nvoUnitStatus mode SNVT_hvac_mode HVAC_HEAT HVAC_COOL HVAC_OFF SrcHeat nvoUnitStatus heat_output_primary SNVT_lev_percent 0 to 100 163 835 INVALID SrcCool nvoUnitStatus cool_output SNVT_lev_percent 0 to 100 163 835 INVALID 1 3 6 SrcAlarmUnit nvoUnitStatus in_alarm UBYTE NO_ALARM 0 ALARM 1 ALARM_NOTIFY_DISABLED
64. iguration options Default ceiling protection enables dewpoint calculation and ceiling protection condensation protection no ceiling protection condensation switch input may still be used for protection System type two pipe 1 valve four pipe four pipe 2 22 Output 1 triac 1 2 control not used heating cooling heating heat cool changeover Output 1 triac 1 and 2 type floating floating floating mid 1 stage 2 stage 3 stage PWM thermal Output 2 triac 3 and 4 control not used cooling cooling heating heat cool changeover Output 2 triac 3 and 4 type floating floating floating mid 1 stage 2 stage 3 stage PWM thermal NOTES 1 Humidity and chilled water temperature inputs are required If no humidity input is available the configured dewpoint see Zone Options is used instead of a calculated value 2 The output mode settings only apply to a 4 pipe system In a 2 pipe system output1 will always operate in changeover mode 3 The floating mid option is only for changeover applications and uses only one of the two outputs The operation of the triacs based upon the output type is given in Table 11 25 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Inputs The available options for input configurations with the default values shown are listed in Table 14 Temperature sensor settings may apply to either the built in sensor W7763C remote wall module for W7763D
65. ill be issued Heat outputs operate normally If the chilled water temperature is provided from the network nviCoolTemp it has priority over a locally wired sensor When configured to AI3 HUMIDITY an analog humidity sensor is supported that is used to calculate the dewpoint If the humidity level is provided from the network nviSpaceRH it has priority over a locally wired sensor This defines the chilled ceiling water temperature setpoint to avoid condensation in applications without a humidity sensor or if the humidity sensor fails If a humidity sensor is available locally or nviSpaceRH this variable will be ignored This is the dewpoint safety band for limiting the cold ceiling inlet temperature to above the dew point to prevent condensation This configuration variable enables dewpoint protection If the chilled water temperature falls below the dewpoint either calculated from humidity and room temperature or from nciChcConfig DewpointSetPt plus the safety band nciChcConfig DewpointSafety the cooling valve is closed If not configured for dewpoint protection the condensation switch either direct wired or via nviCondensation will still close the cooling valve if condensation is detected This specifies the operating mode of the output 1 This specifies the operating mode of the output 2 This setting is ignored for nciNumValve TWO PIPE This specifies the output type to drive the connected actuator for the output 1
66. ings prior to scheduled Occupancy The Chilled Ceiling controller uses the configured rates to determine the optimum time to start increasing the heating or cooling demand See the following figures The configuration parameters are in K hour COOLING GRADIENT STANDBY OR UNOCCUPIED COOLING SETPOINT OCCUPIED COOLING SETPOINT SCHEDULED TIME 2 OCCUPIED Fig 5 Optimum start cooling OPTIMUM START TIME COOLING The occupancy status is determined based upon the following table Manual override may come from the network input DestManOcc or from the bypass push button Table 3 Effective Occupancy Mode Arbitration Occupied Occupied Standby Standby Unoccupied Unoccupied X Don t care 74 2990 6r0311 8 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Operating Modes The possible modes of operation are listed in Table 4 Table 4 Modes of Operation for Excel 10 Chilled Ceiling Controller Mode Description Events Causing a Controller to Switch to This Mode Operational Modes User Address SrcChcModeS START UP AND WAIT Control algorithms are disabled Outputs stay in their initial positions Physical inputs are periodically read and digital filtering of analog inputs is turned off to speed up settling time Network input variables are received and output variables are sent periodically This is the first mode after an application restart FLOATING OUTPUTS SYNCH The
67. ion Protection W7763 Chilled Ceiling Controllers have several possibilities for protection from condensation using a calculated or configured dewpoint and or condensation switch Dewpoint Calculation If the controller has humidity and chilled water inputs either directly connected or from the network it will actively calculate the dewpoint based upon room temperature and humidity If configured to do so the controller will close the cooling valve and issue an alarm if the chilled water temperature drops below the dewpoint plus a configurable safety band If no humidity input is available the controller will use a fixed configured dewpoint Condensation Switch The digital input can be configured for a condensation switch which will close the cooling valve when condensation is detected This feature is independent of the comparison of the chilled water temperature to the dewpoint and remains active even if the dewpoint protection is disabled 9 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Agency Listings Table 5 provides information on agency listings for Excel 10 Chilled Ceiling Controller products Device Agency Table 5 Agency listings Comments W7763 Chilled Ceiling Controller CE General Immunity per European Consortium standards EN50081 1 CISPR 22 Class B and EN 50082 1 1992 based on Residential Commercial and Light Industrial EN 61000 4 2 IEC 1000 4 2 IEC
68. it for setpoint knob in either degrees C absolute setpoint 12 to 5 K 12 C for 30 C or K relative setpoint 5 to 5 K absolute setpoint Maximum limit setpoint pot limit for setpoint knob in either degrees F absolute setpoint 53 6 to 9 DDF 86 F for 86 F or DDF relative setpoint 9 to 9 DDF absolute setpoint limit for setpoint knob in either degrees C absolute setpoint 12 to 5 K 30 C for 30 C or K relative setpoint 5 to 5 K absolute setpoint Digital input 1 not used not used window closed window open occupied sensor unoccupied sensor cool changeover heat changeover condensation no condensation movement no movement Analog input 2 cold water not used not used Analog input 3 humidity not used not used NOTES 1 The temperature sensor option no sensor requires that either the Chilled Ceiling controller is configured as a slave unit receiving heating and cooling control levels from the master unit via the network or that it is receiving temperature information over the network from another device 2 The digital input option to be selected is the condition in which the input will be high switch contact closed 74 2990 6r0311 26 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Equipment Control The available options for equipment control configurations with the default values shown are listed in the following tables See Configurations section above for more information on paramet
69. l Same esrvoniamiype __ See mvonlampe SrcAlarmStatus1 nvoAlarmStatus error_bit 0 UBYTE Bit coded Alarm ALM_NODE_OFF ALM_FROST ALM_INVALID_SETPNT ALM_TEMP_SENSOR_FAIL ALM_SETPNT_KNOB_FAIL ALM_COMFAIL_SPACETEMP SrcAlarmStatus2 nvoAlarmStatus error_bit 1 UBYTE Bit coded Alarm ALM_COMFAIL_HVACMODE ALM_COMFAIL_SETPTOFFS ALM_COMFAIL_SCHEDOCC ALM_COMFAIL_DLC ALM_COMFAIL_TEMPRESET ALM_COMFAIL_ODTEMP ALM_COMFAIL_OCCSENSOR ALM_COMFAIL_WINDOW SrcAlarmStatus3 nvoAlarmStatus error_bit 2 UBYTE Bit coded Alarm ALM_COMFAIL_MANHEAT ALM_COMFAIL_MANCOOL ALM_HW_SW_MISMATCH SrcHvacMode nvoApplicMode SNVT_hvac_mode HVAC_OFF HVAC_AUTO at application restart HVAC_HEAT HVAC_COOL HVAC_OFF SrcCoolPos nvoCoolOutput SNVT_lev_percent 0 to 100 SrcStateDI1 nvoDigitInState value SNVT_switch value 0 to 100 163 835 INVALID nvoDigitInState state SNVT_switch state OFF ON NOT_ASSIGNED SrcOccEff nvoEffectOcc SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_BYPASS OC_STANDBY 55 74 2990 6r031 1 continued EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ES EN Lid 74 2990 6 0311 Comments A central node may poll the nvoAlarmLog output for a short history of alarms It contains the last five alarms report
70. l algorithms are active and heat cool outputs stay in their default positions CTL FLOATING OUT SYNCH follows CTL DISABLED disables heat cool control This is the latest alarm detected by the node if any and has the same value as nvoAlarm type This indicates the state of the demand limit control This indicates the real status of the window detection either from the digital input or from the network This indicates the status of the digital input configured as window detection This output indicates the status of the condensation switch if configured for one If not configured the status is O This indicates the position of the output 1 This indicates the position of the output 2 This reports the current temperature control point calculated from the various setpoints operating modes and optimum start up gradients This reports the current space temperature used for the control algorithm This output provides the chilled water temperature from the sensor connected directly to the controller If not configured it shows INVALID The output provides the humidity from the humidity sensor connected directly to the controller If not configured it shows INVALID This shows the current value in minutes of the active bypass timer continued 60 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital Engineering Units State English Metric
71. ler automatically sets nviManOccCmd to NUL nviManOccCmd does not provide a failure detect mechanism in case no periodic update is received continued 48 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers left User Address Field Name DestManMode nviManualMode DestRequestObjld nviRequest object_id nviRequest nviSensorOcc nviSetPoint nviSetPtOffset object_request DestOccSensor DestRmTempSpt DestSptOffset DestRmRelHum nviSpaceRH DestRmTemp nviSpaceTemp Engineering Units English Metric or States plus Range BYTE MODE_ENABLE MODE_DISABLE MODE_MANUAL SUPPRESS_ALARMS UNSUPPRESS_ALARMS SNVT_obj_request UWORD OzNode Object 1 Coil Object object request t Enum from Echelon defined NORMAL RQ UPDATE STATUS RQ UPDATE ALARM RQ REPORT MASK SNVT occupancy OC OCCUPIED OC UNOCCUPIED OC BYPASS OC NUL SNVT temp p 10 to 35 C 327 67 C INVALID SNVT_temp_p 10 to 10 327 67 C INVALID SNVT_lev_percent 163 835 INVALID SNVT_temp_p 0 to 40 C 327 67 C INVALID 49 Digital State or Value Default MODE_ENABLE and UNSUPPRESS_ALARMS at application restart OC_NUL if bound but fails to be received or at application restart INVALID at application restart 0 if bound but fails to be received or at application restart INVALID at application restart INVALID
72. llers and components CPU Central Processing Unit an EXCEL 5000 System controller module Echelon The company that developed the LonWorks network and the Neuron chips used to communicate on the LONWORKS Bus EMI Electromagnetic Interference electrical noise that can cause problems with communications signals EMS Energy Management System refers to the controllers and algorithms responsible for calculating optimum operational parameters for maximum energy savings in the building EEPROM Electrically Erasable Programmable Read Only Memory the variable storage area for saving user Setpoint values and factory calibration information EPROM Erasable Programmable Read Only Memory the firmware that contains the control algorithms for the Excel 10 Chilled Ceiling Controller E Vision PC based tool used for configuration and commissioning of Excel 10 devices Excel 10 Zone Manager A controller that is used to interface between the C Bus and the LONWoRKs The Excel 10 Zone Manager also has the func tionality of an Excel 100 Controller but has no physical I O points NOTE The Q7750A Zone Manager may be referred to as E Link Firmware Software stored in a nonvolatile memory medium such as an EPROM Input Output the physical sensors and actuators connected to a controller 15 Ix R times or current times resistance refers to Ohms Law 1 Kelvin LiveCARE The PC b
73. me 1 SNVT time sec 0 to 600 seconds 0s 0s K K S S 1K 1K nciChcConfig PwmZeroPosn SNVT lev percent 0 to 100 nciChcConfig PwmFullPosn SNVT lev percent 0 to 100 GainCoolProp nciChcGains si pid Xp 0 SNVT temp p 1 25 to 100 K 0 Disable GainHeatProp nciChcGains si pid Xp 1 SNVT temp p 1 25 to 100 K 0 Disable GainCoollnt nciChcGains si pid Tn 0 SNVT time sec 10 to 3200 seconds 0 Disable GainHeatint nciChcGains si pid Tn 1 SNVT time sec 10 to 3200 seconds 0 Disable GainCoolDer nciChcGains si pid Tv 0 SNVT time sec 10 to 3200 seconds 0 Disable GainHeatDer nciChcGains si pid Tv 1 SNVT time sec 10 to 3200 seconds 0 Disable CoolBoost nciChcGains si_boost 0 SNVT_temp_p 0 5 to 10K 0 Disable HeatBoost nciChcGains si_boost 1 SNVT_temp_p 0 5 to 10K 0 Disable MEN a continued 43 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT 74 2990 6 0311 Comments This setting applies to outputs only that have been configured as FLOATING PWM or THERMAL and specifies the direct reverse operation of output 1 This setting applies to outputs only that have been configured as FLOATING PWM or THERMAL and specifies the direct reverse operation of output 2 This specifies for the outpu
74. ment UL 1995 devices and the transformer primary power is more than 150 volts connect the transformer secondary to earth ground see Fig 14 SECONDARY VOLTAGE OF LOAD MOSS Fig 13 NEMA class 2 transformer voltage output limits W7763 CHILLED CEILING CONTROLLER 24 VAC 24 VAC COM OUT 1 COM OUT 1 OPEN OUT 1 CLOSE OUT 2 COM OUT 2 OPEN OUT 2 CLOSE E BUS LON E BUS LON If the W7763 Controller is used in UL 1995 equipment and the primary power is more than 150 Vac ground one side of the transformer Fig 14 Power wiring details for one Excel 10 per transformer 74 2990 6 0311 120 240 Notes on power wiring All field wiring must conform to local codes and ordinances or as specified on installation wiring diagrams To maintain NEC Class 2 and UL ratings the installation must use transformers of 100 VA or less capacity For multiple controllers operating from a single transformer the same side of the transformer secondary must be connected to the same input terminal in each controller Forthe W7763 Controller which has Triac outputs all output devices must be powered from the same transformer as the one powering the W7763 Controller Use the heaviest gauge wire available up to 14 AWG 2 0 mm with a minimum of 18 AWG 1 0 mm for all power and earth ground connections Tominimize EMI noise do not run Triac and or relay output wires in the same c
75. mmunications bus LONWORKS Bus is 78 kilobit serial link that uses transformer isolation and differential Manchester encoding Wire the LONWorks Bus using level IV 22 AWG or plenum rated level IV 22 AWG non shielded twisted pair solid conductor wire as the recommended wire size see Table 10 for part numbers An FTT LoNWoRks Bus can be wired in daisy chain star loop or any combination thereof as long as the maximum wire length requirements given in Step 2 are met NOTE Due to the transformer isolation the bus wiring does not have a polarity that is it is not important which of the two LONWoRKS Bus terminals are connected to each wire of the twisted pair LONWORKS networks can be configured a variety of ways but the rules listed in Table 8 always apply Fig 10 and Fig 11 depict two typical daisy chain LONWorks Bus network layouts one as a single bus segment that has 60 nodes or less and one showing two segments Fig 12 shows examples of free topology bus layouts using 2000 series devices The bus configuration is set up using the Network Manager tool from within E Vision see the E Vision User Guide W7763 CHILLED CEILING CONTROLLER TERMINATION MODULE 209541B Note C7750A Zone Manager has internal termination module with jumpers installed as shown Fig 10 LonWorks Bus wiring layout for one daisy chain network segment 74 2990 6r0311 EXCEL10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Q7750A2xx
76. monitoring contact It can be bound to another Excel 10 controller or a third party node See above This is the output reflecting the effective occupancy mode derived from the time schedule occupancy sensor override button and network occupancy override continued 56 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left User Address Field Name nvoChcStatus field_no SrcOccEffS nvoChcStatus effect_occ SrcOccOvrdHwS nvoChcStatus hw_override SrcOccSchedS nvoChcStatus sched_occ SrcOccSensorS nvoChcStatus eff_sen_occ nvoChcStatus net_man_occ nvoChcStatus hw_sen_occ SrcOccOvrdNetS SrcOccSensorHwS Digital Engineering Units State English Metric or or States plus Range Value Default UBYTE FIELD_EFFECT_OCC FIELD HW OVERRIDE FIELD SCHED OCC FIELD EFF SEN OCC FIELD NET MAN OCC FIELD HW SEN OCC FIELD R LED FIELD MODE FIELD ALARM TYPE FIELD DLC SHED FIELD EFF WINDOW OPEN FIELD HW WINDOW OPEN FIELD EXTERNAL ACTIVE FIELD CONDENSATION STATE FIELD OUTPUT POS 1 FIELD OUTPUT POS 2 FIELD REHEAT RELAY FIELD ACTIVE SET PT FIELD SPACE TEMP FIELD COOL TEMP FIELD HUMIDITY FIELD REST BYPASS TIME SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_BYPASS OC_STANDBY SNVT_occupancy OC_UNOCCUPIED OC_BYPASS OC_NUL No Override SNVT_occupancy OC_OCCUPIED OC_UNOCCUPIED OC_BYPASS OC_STANDBY OC_NUL No Override
77. mp 17 SNVT temp p nviEnergyHoldOff nV18 switch nvoTerminalLoad SNVT lev percent nvoLoadAbs SNVT_power nvoDischAirTemp N SNVT temp p nvoReheat SNVT switch nvoSpaceTemp SNVT temp p nvoEffectSetPt SNVT temp p nvoEffectOcc SNVT occupancy nvoEnergyHoldOff SNVT switch nvoUnitStatus SNVT_hvac_status Configuration Properties 49 nciSndHrtBt SNVT_time_sec mandatory 52 nciMinOutTm _ SNVT time sec optional nc48 nciRcvHrtBt SNVT time sec optional gt gt 17 nciLocation SNVT_str_asc optional 59 nciNumValve nviSensorOcc Manufacturer SNVT_Occupancy Defined Section nviEmerg SNVT_hvac_emerg nviReheatRelay SNVT_switch nc60 nciSetPnts SNVT_temp_setpt mandatory unt optional nvoSensorOcc SNVT occupancy nvoDigitInState 5 switch Hardware Input SUPPORTED Fig 7 LONMARK Fan Coil Unit object profile 11 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Configurations General The following sections provide an overview of the Excel 10 Chilled Ceiling Controller options related to inputs and outputs See Application Step 6 Configure Controllers for a complete list of configuration options and defaults Table 6 Hardware options summary Option Possible configurations Chilled Ceiling system type two pipe four pipe Heating actuator ty
78. network diagram 2 Click on Monitor from the Controller menu Once E Vision logs on to the controller the schematic for that Chilled Ceiling is displayed with point values and statuses 3 Click on Calibrate Point s from the Monitor menu This pops up the Temperature Calibration dialog box 74 2990 6 0311 34 4 The box displays the Current Value of the sensor and the current Offset it also contains a field for entering the actual Measured Value When a value is typed in and Calibrate is clicked the offset value is automatically calculated displayed and written to the Excel 10 Chilled Ceiling Controller Room Temperature Calibration XL10 CHC1 Calibrated Calculated Manually Active Offset Measured Sensor Value Parse Pearse Enter Reference Value and press Calibrate Fig 20 Calibration dialog box NOTE Record the offset value to be manually restored if additional downloads are performed 5 Click on Close after completing adjustments EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING APPENDIX B CONFIGURING FOR MASTER SLAVE OPERATION More than one W7763 Chilled Ceiling Controller may be used to control the temperature of a room In this situation one controller must be identified as the master unit which will perform the temperature control algorithm The other Chilled Ceiling controllers in the room are designated as slave units and their control algorithms are disabled The slave
79. neywell US AK3752 typical or equivalent Level IV 140 F 60 C rating Inputs 18 AWG 1 0 mm five wire cable bundle Standard thermostat wire Outputs Power 14 to 18 AWG 2 5 to 1 0 mm NEC Class 2 140 F 60 C rating Honeywell US AK3702 18 AWG 1 0 mm twisted pair Non plenum typical or equivalent Honeywell US 712 16 AWG 1 5 mm twisted pair Non plenum typical or equivalent Honeywell US AK3754 typical or equivalent 14 AWG 2 5 mm two conductor Non plenum 23 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Step 6 Configure Controllers General The process of configuring Excel 10 Chilled Ceiling Con trollers is the same for all models In all cases the process involves giving the Excel 10 Chilled Ceiling Controller information using the E Vision PC tool Details on the use of E Vision are found in the E Vision User Guide The E Vision User Guide provides detailed steps for defining the Excel 10 Zone Manager if required creating or starting an existing E Vision project creating or selecting an existing network building or modifying the network defining and copying con trollers mapping points between controllers the Zone Manager and third party devices connecting to controllers for commissioning monitoring and uploading and various other functions This section will provide details on the configuration o
80. ng nvoStatus This allows an occupancy sensor of another Excel 10 controller to be used to indicate the sensed occupancy state of the space NUL means no input is available because it is not bound bound but not received periodically or not configured by nciChcConfig DI1 config More than one occupancy sensor may be bound to nviSensorOcc If any one sensor detects occupancy the controller considers the space occupied This is an input intended for binding third party nodes to authorize them for setpoint modifications When this has been bound and a valid update is received the local configured setpoints will no longer be directly used to determine the current occupancy setpoint For OCCUPIED and STANDBY modes this is used with the appropriate ZEB derived from the configured setpoints for UNOCCUPIED mode the setpoint does not depend on this input but on nciTempSetPts unoccupied cool heat only nviSetpoint is stored in RAM and gets lost after power failure In this case the setpoints of nciTempSetPts will be used until a valid nviSetpoint is received This is an input intended for binding third party nodes to authorize them for setpoint shifting nviSetPtOffset is stored in RAM and will be initialized to zero after application restart or power failure If nviSetPtOffset is bound and fails to be received periodically as configured with nciRcvHrtBt it will be reset to zero This input allows the use of a humidity sensor from another node to
81. ngineering Units State English Metric or User Address NvName Field Name States plus Range Default SrcRmTempSptEff nvoActiveSetPt SNVT temp p 10 to 35 C 327 67 INVALID SrcAlarmSubnet nvoAlarm subnet UBYTE 0 to 255 SrcAlarmNode nvoAlarm node UBYTE 0 to 255 nvoAlarm type UBYTE RETURN_TO_NORMAL ALM_NO_ALARM at application restart ALM_NODE_OFF ALM_FROST ALM_INVALID_SETPNT ALM_TEMP_SENSOR_FAIL ALM SETPNT KNOB FAIL ALM_COMFAIL_SPACETEMP ALM_COMFAIL_HVACMODE ALM_COMFAIL_SETPTOFFS ALM_COMFAIL_SCHEDOCC ALM_COMFAIL_DLC ALM_COMFAIL_SPACE_RH ALM_COMFAIL_ODTEMP ALM_COMFAIL_OCCSENSOR ALM_COMFAIL_WINDOW ALM_COMFAIL_MANHEAT ALM_COMFAIL_MANCOOL ALM_COMFAIL_COOL_TEMP ALM_H20_TOO_COLD ALM_CONDENSATION RETURN_TO_NORMAL RTN_NODE_OFF RTN_FROST RTN_INVALID_SETPNT RTN_TEMP_SENSOR_FAIL 5 FAIL RTN_COMFAIL_SPACETEMP RTN_COMFAIL_HVACMODE RTN_COMFAIL_SETPTOFFS RTN_COMFAIL_SCHEDOCC RTN_COMFAIL_DLC RTN_COMFAIL_SPACE_RH RTN_COMFAIL_ODTEMP RTN_COMFAIL_OCCSENSOR RTN_COMFAIL_WINDOW RTN_COMFAIL_MANHEAT RTN_COMFAIL_MANCOOL RTN_COMFAIL_COOL_TEMP RTN_COMFAIL_H20_TOO_COLD RTN_COMFAIL_CONDENSATION ALARM_NOTIFY_DISABLED continued 53 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT x X This is an output showing the active setpoint of the control algorithm
82. ning points that are not mapped are available for accessing through the Direct Access feature A NO TIME PROGRAM NO CONTROL LOOPS 920 NO SWITCHING TABLES 900 B 10K CONTROL PROGRAM FOR EXAMPLE 1 TIME PROGRAM 2 Calculate the number of Excel 10 Zone Manager program points that will be used in the control logic and in the switching table 3 Estimate the program complexity of the Zone Manager one of three levels a No time programs control logic or switching tables b 10 Kbytes of control logic one time program five switching tables and five control loops 20 Kbytes of control logic multiple time programs ten switching tables and ten control loops Use Fig 21 to determine the number of Excel 10 Controllers that can be connected to the Zone Manager NOTE Where the number of Excel 10 Controllers exceeds 60 a Router is required 4 Repeat the calculation for each Q7750A Excel 10 Zone Manager in the project 800 5 CONTROL LOOPS 5 SWITCHING TABLES NUMBEROF 765 C BUS POINTS EXCEL 10 MAPPED 700 NUMBER OF C BUS POINTS EXCEL 10 MAPPED POINTS PLUS ZONE MANAGER POINTS C 20K CONTROL PROGRAM E MULTIPLE TIME PROGRAMS 10 CONTROL LOOPS 10 SWITCHING TABLES 610 POINTS PLUS ZONE MANAGER POINTS 600 20 OR LESS NUMBER OF EXCEL 105 Fig 21 Point capacity estimate for Zone Manager The exact equation to use to calculate memory size is
83. ns Power Supply 24 Vac 20 15 50 60 Hz Operating Temperature 32 to 122 F 0 to 50 C Shipping Storage Temperature 40 to 158 F 40 to 70 C Relative Humidity 5 to 95 non condensing Inputs Temperature Sensors 20k ohm NTC Setpoint Potentiometer 10k ohm Digital Input Closed lt 400 ohms 1 5 mA Open 10k ohms 4 8 V Humidity Sensor 0 to 10 Outputs Triac voltage range 24 Vac 20 Triac maximum current ratings 250 mA continuous 650 mA surge for 30 sec IMPORTANT When any device is energized by a Triac the device must be able to sink a minimum of 15 mA If non Honeywell motors actuators or transducers are to be used with Excel 10 Chilled Ceiling Controllers compatibility must be verified Interoperability The W7763 Controllers use the LonTalk protocol They support the LONMARK Functional Profile 8020 Fan Coil Unit Controller version 2 0 Fig 7 shows the implementation used iti Hardware Output Fan Coil Unit Controller Object 8020 nviSpaceTemp nvi SNVT temp p Mandatory Network nviSetPoint Variables SNVT_temp_p nvoHeatOutput SNVT_lev_percent nvoCoolOutput SNVT_lev_percent nvoFanSpeed SNVT_switch nviFanSpeedCmd SNVT_switch nviOccCmd nv SNVT occupancy Optional nviApplicMode Network nv SNVT hvac mode Variables nviSetPtOffset 2 SNVT temp p nviWaterTemp DAD SNVT temp p nviDischAirTe
84. nts used in the control algorithms are limited by these parameters When the setpoint knob is configured to be Absolute Middle the lowest actual setpoint allowed is equal to SptKnobLoLim and the highest actual setpoint allowed is equal to SptKnobHiLim When the setpoint knob is configured to be Relative the lowest actual setpoint allowed is equal to SptHeatOcc SptKnobLoLim and the highest allowed is equal to SptCoolOcc SptKnobHiLim Setpoint from Network When not configured for UseWallModSpt DestRmTempSpt must be bound to another node that provides a setpoint When bound and a valid update is received DestRmTempSpt is used with the appropriate ZEB ZEBoccupied SptCoolOcc SptHeatOcc ZEBstandby SptCoolStby SptHeatStby The Unoccupied setpoint does not depend on DestRmTempSpt at all Setpoint Offset Third party nodes may be bound to DestSptOffset to shift the setpoint in the range of 10 delta C to 10 delta C Table 1 Example setpoint values based upon default configuration Absolute Middle setpoint knob C Setpoint Effective Effective Knob Cooling Spt Heating Occupancy Configured Configured Mode Cooling Spt Heating Spt NOTES 1 Sample value shown Limited by default configuration settings to the range of 12 to 30 C 2 Limited to the range of 10 to 35 C 3 Setpoint Knob ZEB 2 4 Setpoint Knob ZEB 2 Table 2 Example setpoint values based upon default configuration
85. o 6553 seconds 0 to 6553 seconds default from E Vision 0 s from factory 300 s default from E Vision 0 s from factory 300 s default from E Vision 0 Disabled nciRcvHrtBt SNVT time sec 0 to 6553 seconds 0 Disabled nciSndHrtBt SNVT_time_sec continued 37 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT eee 74 2990 6 0311 Comments ApplicationType identifies the current application number of the Excel 10 VersionNo identifies the version number of the Excel 10 application The time stamp of the last change to the Excel 10 application configuration Time meets the ANSI C time stamp requirement specifying the number of seconds elapsed since midnight 0 00 00 January 1 1970 It is represented in the Intel Format and is four bytes in length See above See above See above nciDeviceName contains the name of each device This is an ASCII string with a size of 18 characters A name with all NULLs means that the device has not been configured This is the configuration property used to control the maximum time that expires before the node object automatically transmits nvoStatus This provides a heartbeat output that can be used by the destination objects t
86. o ensure that the node is still healthy The heartbeat output may be disabled by setting nciMaxSendTime 0 This is the configuration property used to control the maximum time that elapses after the last update to nviApplicMode nviDIcShed nviEnergyHoldOff nviManCool nviManHeat nviSensorOcc nviSetPtOffset nviSpaceTemp nviTodEvent before these NV inputs adopt their default values Setting nciRcvHrtBt 0 means that the assigned NV input does not wait for an periodic update and that it will never revert to any default when not receiving an update If nviSpaceTemp and nviApplicMode are not received at regular intervals that are less than the heartbeat time the controller will assume that there is a communication failure and revert to Occupied mode This is the configuration property used to control the maximum time that expires before the object automatically transmits the current value of nvoActiveSetPt nvoAlarm nvoApplicMode nvoChcStatus nvoCoolOutput nvoEnergyHoldOff nvoHeatOutput nvoSensorOcc nvoSpaceDewPt nvoSpaceTemp nvoTerminalLoad nvoUnitStatus This provides a heartbeat output that can be used by the destination objects to ensure that the node is still healthy The heartbeat output may be disabled by setting nciSndHrtBt 0 continued 38 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C2 Configuration Variables for W7763 Controllers left Digital Engineering Units Sta
87. ode X X X x This reports the actual heating output value Any change forces nvoUnitStatus to be transmitted immediately x x X X This reports the actual cooling output value A change of more than 196 forces nvoUnitStatus to be transmitted immediately X X X This reports the actual alarm status of the controller and is set to ALARM NOTIFY DISABLE when nviManualMode SUPPRESS ALARMS X X X X This reports the status of the window sensor It allows the hard wired window sensor to be used by other nodes on the network X This identifies the Excel 10 node type by an eight byte constant describing the node type major and minor functional release number and bug fix First character X Major Functional Release Number 1 Addor delete a network variable NV nv field 2 Change the name of a nv or nv field 3 Range or type short long of data in a nv field is changed 4 Enumerated value list of a nv field is changed NOTE Algorithm changes or bug fixes may also be included X Minor Functional Release Number 1 Network variables are unchanged 2 Functionality of the control algorithm has been revised and affects compatibility with other nodes or the equipment being controlled 3 The network interface or physical input output subsystem was revised and affects compatibility with other nodes NOTE Bug fixes may also be included in a minor functional release X Bug Fix Number Network variables are unchanged A change to the
88. oller does not execute the control algorithm 35 Equipment Control Options Valve action settings must be the same as for the master controller Output staging hysteresis and minimum stage off times should be the same as in the master controller All heating and cooling stage switching levels should be identical to those of the master controller Zone Control Options All zone temperature control options including PID settings and miscellaneous settings are used only by the master controller and are ignored in the slave units Network Variable Binding In a master slave configuration the control algorithm is executed in the master controller only Heating and cooling output as calculated by the control algorithm is then sent via the network to the slave controllers The master controller output variables nvoHeatOutput user address SrcHeatPos and nvoCoolOutput user address SrcCoolPos must be bound using E Vision see E Vision User Guide to the slave input variables nviManHeat user address DestManHeat and nviManCool user address DestManCool respectively For a master slave system using heat cool changeover the master controller output variable nvoApplicMode user address SrcHvacMode must be bound to the slave controllers input variable nviApplicMode user address DestHvacMode The active wall module must be connected to the master controller 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGI
89. onduit as the input wires or the LoNWonks Bus communications wiring Unswitched 24 Vac power wiring can be run in the same conduit as the 5 Bus cable Step 4 Prepare Wiring Diagrams General Considerations The purpose of this step is to assist the application engineer in developing job drawings to meet job specifications Wiring details for the W7763 Chilled Ceiling Controller are shown in Fig 14 Table 11 gives additional details for output connections NOTE In the case of field wiring when two or more wires are to be attached to the same connector block terminal be sure to twist them together Deviation from this rule can result in improper electrical contact See Fig 15 Table 10 lists wiring types sizes and length restrictions for Excel 10 Chilled Ceiling Controller products EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table 10 Field wiring reference table US part numbers shown WIIS recommended Y specification T ncdon IEEE construction eee vendor wire type max length ft m LONWORKS 22 AWG Twisted pair solid conductor Level IV 140 F Honeywell US See Step 2 Bus non shielded 60 C rating AK3791 one twisted pair Plenum AK3792 two twisted pairs Europe Belden 9H2201504 LONWORKS 22 AWG Twisted pair solid conductor Level IV 140 F Honeywell US See Step 2 Bus Non non shielded 60 C rating AK3781 one twisted pair plenum AK3782 t
90. oser to the controller thereby reducing the length of the wire run and the line loss The issue of line loss is also important in the case of the output wiring connected to the Triac digital outputs The same formula and method are used The rule to remember is to keep all power and output wire runs as short as practical When necessary use heavier gauge wire a bigger trans former or install the transformer closer to the controller IMPORTANT No installation should be designed where the line loss is greater than two volts to allow for nominal operation if the primary voltage drops to 102 Vac 120 Vac minus 15 or 193 Vac 230 minus 15 To meet the National Electrical Manufacturers Association NEMA standards a transformer must stay within the NEMA limits The chart in Fig 13 shows the required limits at various 74 2990 6 0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING loads With 100 percent load the transformer secondary must supply between 23 and 25 volts to meet the NEMA standard When a purchased transformer meets the NEMA standard DC20 1986 the transformer voltage regulating ability can be considered reliable Compliance with the NEMA standard is voluntary The following Honeywell transformers meet this NEMA standard Transformer Type VA Rating AT20A 20 AT40A 40 AT72D 40 AT87A 50 AK3310 Assembly 100 IMPORTANT US ONLY If the W7763 Controller is used on Heating and Cooling Equip
91. ous Unoccupied Mode This mode is entered when a wall module is configured to allow it and the bypass button is pressed for four to seven seconds This mode can also be entered via a network command DestManOcc set to OC_UNOCCUPIED The controller uses the Unoccupied setpoints The controller remains in this mode indefinitely or until the bypass button is pressed to exit the mode or a network command is sent to clear the mode Bypass Push Button W7763C Chilled Ceiling Controllers have a built in bypass push button W7763D and E controllers may have an Excel 10 wall module with bypass push button connected to them There are three ways to configure the bypass push button see Table 14 for further information NONE BYPASS_UNOCCUPIED BYPASS_ONLY Override Priority The Chilled Ceiling controller can be configured to arbitrate overrides coming from the bypass push button and the network There are two possible states which have the following meanings LAST_WINS Specifies that the last command received from either the wall module or DestManOcc determines the effective override state NETWORK WINS Specifies that when DestManOcc is not OC NULL then the effective occupancy is DestManOcc regardless of the wall module override state LED LCD LED Override The wall module s LED shows the override from the bypass button or from the network LED on Override Bypass One flash per second Override Unoccupied Two flashes pe
92. pe floating floating mid one for heat cool one stage two stage three stage PWM thermal Cooling actuator type floating floating mid one for heat cool one stage two stage three stage PWM thermal not used window closed occupied sensor cool changeover Digital input 1 movement window open unoccupied sensor heat changeover input no movement Analog input 2 not used chilled water temperature Analog input 3 not used humidity Wall module option local shared Space temperature sensor none type NTC non linearized NOTE The floating mid option is only for changeover applications and uses only one of the two outputs 74 2990 6 0311 12 Type of Heating and Cooling Equipment W7763 controllers can operate with either two pipe or four pipe systems A two pipe system requires a changeover input to the controller hardware or network input W7763 controllers can operate with a variety of actuators for heating and cooling equipment Floating actuators can be used which will require specifying the valve run time during configuration of the controller Valve action can be configured as either direct or reverse When in a two pipe system with a changeover input a floating actuator can be used which has the middle position 50 as the zero energy position The cool range is then 0 to 50 and the heat range 50 to 100 The output must configured as floating mid Multi stage s
93. ptions found in E Vision for W7763 Controllers If another LoNWoRks Bus communication tool is used for set up see Appendix C for reference information Using E Vision The configuration process is primarily performed in a series of Screens seen as file tabs under the menu option Application Selection and is easily followed using the tables included in this section There are 8 file tabs 74 2990 6r0311 24 Output Input Equipment Control Switching Levels Zone Options Miscellaneous PID Wiring information only no configuring The specific parameters to be configured in each of these four categories are tabulated in the following subsections For a complete list of all Excel 10 Chilled Ceiling Controller User Addresses see Appendix C The configuration of the setpoints as either absolute or relative is performed in E Vision in the Project Defaults Screen NOTE To set the following configuration parameters use the E Vision PC tool These sections describe the various parameters and the allowable settings For details on using E Vision refer to the E Vision User Guide EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Outputs The available options for output configurations with the default values shown are listed in Table 13 See Control Provided and Configurations sections above for more information about parameters Table 13 Chilled Ceiling Controller output configuration options Function Conf
94. r it may be configured to only override to occupied The button may also be used to cancel the override 13 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Common Temperature Control Master Slave Controllers When one or more Chilled Ceiling Controllers serve a common area and a single temperature sensor is to be used a master slave arrangement can be configured One Excel 10 Chilled Ceiling Controller is configured for the local wall module with the desired options The other Excel 10 Chilled Ceiling Controller s will be configured without wall modules and with certain network variables bound with the master controller Refer to Appendix B of this document for more details 74 2990 6r0311 IMPORTANT 14 The slave units must have the same HVAC equipment connected to it as the master units The slave units will not use any internal temperature setpoints or control algorithms The master controller determines heating cooling output based upon setpoints and occupancy and command mode status and communicates this to the slave via the network See Appendix B Configuring for Master Slave Operation for more information EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Abbreviations and Definitions CARE Computer Aided Regulation Engineering the PC based tool used to configure C Bus Bus devices C Bus Honeywell proprietary Control Bus for communications between EXCEL 50007 System contro
95. r second Override Standby or Occupied LED off No Override Four flashes per second gt Controller answers network management wink command LED Occupancy The wall module s LED shows the effective occupancy mode LED on Effective Occupied or Bypass e One flash per second Effective Standby LED off Effective Unoccupied Four flashes per second Controller answers network management wink command LCD Display This mode is only used for T7560 Wall Modules The occupancy mode is represented by the following symbols WE Effective Occupied or Bypass Effective Standby Effective Unoccupied OFF Controller is off OFF and Controller is off frost protection is enabled Flashing symbols represent the Override mode Override Occupied or Bypass Override Standby Override Unoccupied Controller answers the network management wink command Energy Saving Features Standby Mode The digital input for an occupancy sensor usually a motion detector provides the controller with a means to enter an energy saving Standby mode whenever there are no people in the room Standby mode occurs when the scheduled occupancy is Occupied and the occupancy sensor indicates no people currently in the room If no occupancy sensor is connected directly to the controller an occupancy sensor from another node may be bound to the network input DestOccSensor The controller can also be put in Standby mode by se
96. r tem perature sensor allow calculation of the dewpoint for con densation prevention Fig 2 shows a typical Chilled Ceiling control application CHILLED WATER TEMP SENSOR WALL MODULE WITH TEMP SENSOR WINDOW CONTACT HUMIDITY SENSOR Fig 2 Typical W7763 Chilled Ceiling control application Control Provided The basic control sequence for a W7763 Chilled Ceiling Controller is shown in Fig 3 As space temperature falls below the heating setpoint the heating output is increased As space temperature increases above the cooling setpoint the cooling output is modulated to 100 Switching levels for staged heating cooling are configurable W7763 Chilled Ceiling Controllers use PID control algorithm where each of the three parameters can be configured There are additional configurable boost parameters HeatBoost and CoolBoost which specify a range outside of which the heating or cooling outputs are turned on fully for faster response for thermal actuators this specifies the control hysteresis The controllers are delivered with factory defaults for each of the parameters ZERO ENERGY BAND 100 HEATING DEMAND CONTROL OUTPUT HEATING SETPOINT HEATING PROPORTIONAL COOLING DEMAND ES COOLING SETPOINT ROOM TEMPERATURE A COOLING PROPORTIONAL Fig 3 Control sequence diagram 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Setpoints S
97. r the TESTPOSITION of the output1_cmd and is based on the configured runtime cycle time Same as output1_cmd for output 2 Same as output1_test_pos for output 2 This can be used to test the wall module LED when nviManualMode MODE_MANUAL This indicates to the node whether the space is currently scheduled to be occupied standby or unoccupied This indicates to the node whether the next scheduled occupancy mode will be occupied standby or unoccupied This information is required by the controller to perform the optimum start strategy This is the time in minutes until the next change of scheduled occupancy state This time is updated by the Zone Manager once every 60 seconds This data is also used by the optimum start calculation see nciEnergyManag This allows a window contact node or another controller to be used as remote window contact More than one nvoEnergyHoldOff may be bound to one nviEnergyHoldOff which allows one node to be used to handle several distributed window contacts In this case the control process assumes an open window if at least one bound window node detects an open window Window Closed would be assumed if all nvoEnergyHoldOffs bound to nviEnergyHoldOff indicate the window being closed for at least the failure detect time nciSndHrtBt See above continued 52 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital E
98. roller uses the Occupancy Sensor if configured to determine the Effective Occupancy mode of operation see Table 3 If the Time Of Day TOD schedule indicates an Occupied state and the Occupancy Sensor contact is closed the Effective Occupancy mode will be Occupied However if the TOD schedule indicates an Occupied state and the Occupancy Sensor contact is open then the Effective Occupancy mode will be Standby The flow control algorithm will then control to the Standby Cooling and Heating Setpoints Configuring the digital input for movement or no movement dependent upon normally open or normally closed contacts adds a delay of 15 minutes to the occupancy sensor such that the space is considered occupied until 15 minutes has elapsed since the last movement is detected If the digital input is configured as a window open closed contact heating and cooling control will be disabled while the window is detected open Frost protection will be in effect however and heating control will be enabled if the temperature drops below 46 F 8 C A set of contacts may be wired in series for multiple windows When configured for a condensation switch the controller will close the cooling valve when condensation is detected The input may also be configured for changeover for a two pipe system The input can accommodate a switch that is closed for heating and open for cooling or open for heating and closed for cooling NOTE The Excel 10
99. son it is mandatory to commission assign ID and download all Excel 10 Chilled Ceiling Controllers and the Zone Managers from a single database This project database can be backed up and restored to be placed onto various PCs during the commissioning phase but only a single copy can be used at a time and then must be redesignated as the master and given to the next PC for further commissioning N CAUTION If more than one copy of the same database is used in multiple PCs to assign IDs and download to Excel 10 Chilled Ceiling Controllers there is currently no means to recombine the multiple copies into a single database for any project If multiple copies are used it is necessary to designate one database as the master and recommission the controllers that do not indicate being commissioned If E Vision displays an assigned ID only the application needs to be downloaded to the controller If no ID has been assigned assign ID s and download the application to the controller s In both of these cases parameter changes Setpoints Temperature Sensor Calibration etc made with the other PC database are lost and have to be re entered ID Number Each Excel 10 Chilled Ceiling Controller is shipped with an internal Identification Number from the factory called the ID This ID number is a removable sticker on the side of the W7763 housing and is required for identifying the controller on the LONWORKS network throu
100. t 1 configured as FLOATING the runtime of the valve time to run from fully closed to fully open PWM the cycle time ONE_STAGE TWO_STAGE and THREE_STAGE minimum ON time before switching to the next stage This specifies for the output 2 configured as FLOATING the runtime of the valve time to run from fully closed to fully open PWM the cycle time ONE_STAGE TWO_STAGE and THREE_STAGE minimum ON time before switching to the next stage This is only used for ONE_STAGE TWO_STAGE and THREE_STAGE output 1 and specifies the minimum OFF time before switching to the next stage This is only used for ONE_STAGE TWO_STAGE and THREE_STAGE output 2 and specifies the minimum OFF time before switching to the next stage This specifies the zero position for PWM actuators This setting applies to PWM actuators only and is used for both actuators if both are configured as PWM actuators This specifies the fully open position for PWM actuators This setting applies to PWM actuators only and is used for both actuators if both are configured as PWM actuators This is the throttling range for use in the proportional portion of the PID loop gain for the cooling mode Since CHC2 version 1 0 2 the range of configurable values is 2 to 100 K for PI or 1 25 for P control For older versions the valid range is 4 to 100 K This is the throttling range for use in the proportional portion of the PID loop gain for the heating mode Since CHC2 version 1
101. te English Metric or or User Address NvName Field Name States plus Range Value Default FirstStageCooL nciCntrlSettings Switch level cool 0 SNVT lev percent 596 0 to 100 0 Disable SecondStageCool nciCntrlSettings switch level cool 1 SNVT lev percent 50 0 to 100 0 Disable ThirdStageCool nciCntrlSettings Switch level cool 2 SNVT lev percent 7596 0 to 100 0 Disable FirstStageHeat nciCntrlSettings switch_level_heat 0 SNVT_lev_percent 5 0 to 100 0 Disable SecondStageHeat nciCntrlSettings switch_level_heat 1 SNVT_lev_percent 50 0 to 100 0 Disable ThirdStageHeat nciCntriSettings switch_level_heat 2 SNVT_lev_percent 15 0 to 100 0 Disable StageHyst1 nciCntriSettings staging hysteresis 0 SNVT lev percent 1096 0 to 100 StageHyst2 nciCntriSettings staging hysteresis 1 SNVT lev percent 1096 0 to 100 DicStptBump nciEnergyManag si_dic_setpt_bump SNVT_temp_p 0 to 10K RecRampCool nciEnergyManag si optstart grad 0 SNVT temp p 0 K hr 20 to 0 K hr RecRampHeat nciEnergyManag si optstart grad 1 SNVT temp p 0 K hr 0 to 20 K hr nciChcConfig room temp sensor BYTE NTC NON LINEARIZED NO TEMP SENSOR NTC NON LINEARIZED nciChcConfig DI1 config BYTE AI1 NOT USED WINDOW CLOSED DI1 OCCUPIED SENSOR CHANGEOVER COOL WINDOW OPEN DI1 UNOCCUPIED SENS CHANGEOVER HEAT DI1_CONDENSATION DI1_NO_CONDENSATION MOVEMENT NO MOVEMENT Al1 COLDWATER Al1 NOT USED continued 3
102. temp sensor bypass C absolute W7763C1032 with setpoint knob temp sensor bypass relative W7763D1014 with setpoint knob bypass F absolute W7763D1022 with setpoint knob bypass C absolute W7763D1030 with setpoint knob bypass relative W7763E1003 no setpoint knob sensor or bypass Excel 10 Wall Modules T7460 See Excel 10 wall module literature for details T7560 T7770 Excel 10 Sensors Air Temperature Sensor Echelon Based Components and Parts Q7751A2002 US FTT LonWorks Bus Router UK Order from local Echelon supplier Europe Europe Q7752A2001 US FTT LoNWoRks Bus Serial Interface SLTA UK Order from local Echelon supplier Europe Europe C7068A1007 Europe Return air FTT Termination Module Excel 10 Zone Manager C Bus to LonWorks Bus interface XD505A 19600 Baud Communications Submodue 2 XD 508 1 Megabit Baud Rate C Bus Communications Submodule Serial Interface Cable male DB 9 to female DB 9 Obtain locally from any computer hardware Cabling or female DB 25 vendor Honeywell US LoNWoRKks Bus plenum 22 AWG twisted pair Level IV 140 F 60 C rating AK3791 one twisted pair solid conductor non shielded AK3792 two twisted pairs Belden 9H2201504 Europe Honeywell US LoNWoRKks Bus non plenum 22 AWG twisted AK3781 one twisted pair pair solid conductor non shielded AK3782 two twisted pairs Belden 9D220150 Europe Honeywell US AK3725 Ho
103. the digital state of input 2 This contains the analog to digital converter count measured from the analog value This count represents the measured time during the second part of each a d conversion See above See above See above See above continued 62 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C4 Output Variables for W7763 Controllers left Digital Engineering Units State English Metric or or User Address NvName Field Name States plus Range Value Default SrcRmTempSptHw nvoSensor remote_set_point SNVT_temp_p 5 to 5 K for relative 12 to 30 C for absolute SrcRmTempHw nvoSensor space_temp SNVT_temp_p 0 to 40 C 327 67 C for INVALID nvoSensor ub_hard_config BYTE INITIAL INITIAL at application W776C restart W7763D W7763E INVALID SrcOccSensor nvoSensorOcc SNVT_occupancy OC_NUL OC_OCCUPIED at application SrcRmDewPt nvoSpaceDewPt OC UNOCCUPIED restart SrcRmTempEff nvoSpaceTemp OC NUL No Sensor SNVT temp p INVALID 0 to 40 C at application 327 67 C INVALID restart SrcObjld nvoStatus object_id UWORD NODE_OBJECT CHC_OBJECT nvoStatus invalid_id Bit VALID_ID INVALID_ID nvoStatus invalid_request Bit VALID_REQUEST INVALID REQUEST nvoStatus disabled Bit ENABLED DISABLED SNVT temp p INVALID 0 to 40 C at application 327 67 C INVALID restart nvoStatus Bit COMMUNICATION_OK COMMUNICATION_FAILURE nvoStatus in_alarm Bit NO_ALARM IN ALA
104. tion that must be shared with devices on the C Bus E Vision is used to perform these operations through the Point Mapping function Mapped points are available to the C Bus Table 20 lists Chilled Ceiling Controller source variables for mapping and Table 21 lists variables from other sources which may be mapped to Chilled Ceiling Controller input variables See Appendix C for a complete list of all Excel 10 Chilled Ceiling Controller User Addresses 74 2990 6r0311 EXCEL10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table 20 List of Excel 10 Chilled Ceiling Controller source variables for mapping Chilled Ceiling Controller source points with receivers elsewhere on LoNWonks Bus or C Bus Source Excel 10 Chilled Ceiling description T Controller variable including receiver information 5 SrcOccEff This signal contains the effective occupancy Occupied XBS for monitoring status of the Excel 10 Chilled Ceiling Controller Standby Unoccupied SrcOccOvrdHwS This signal contains the state of the remote Unoccupied XBS for monitoring override button Bypass and tenant logging Not Assigned SrcChcModeS Indicates the current Control mode of the Excel 10 possible values XBS for monitoring 10 Chilled Ceiling Controller See Table 4 SrcAlarmNode Indicates latest alarm detected by the node 22 possible values XBS for monitoring if any and return to normal See T
105. to 0 K hour 0 Cooling optimum start gradient Heat rec ramp 0 to 20 K hour 0 Heating optimum start gradient 74 2990 6r0311 28 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING PID The available options for configuring the PID parameters with the default values shown are listed in the following tables See Control Provided section above for more information on parameters Table 19 Chilled Ceiling Controller PID configuration options Configuration options Cooling proportional gain Heating proportional gain Cooling reset time Heating reset time Cooling derivative time Heating derivative time Cooling boost temperature 4 to 100 K 0 disable 4K 4 to 100 K 0 disable 0 5 to 10 K 0 disable Heating boost temperature 0 5 to 10 K 0 7 disable NOTES 1 With version 1 0 2 and later firmware it is possible to configure the proportional gain as low as 2 for PI control or 1 25 for P control Commissioning Commissioning refers to the activities performed to optimize the Chilled Ceiling operation to meet the job specification requirements and overall fine tuning of the Chilled Ceiling control E Vision is the tool used to perform these activities as described in Appendix B Job Commissioning The CARE database that is generated for the Excel 10 Chilled Ceiling Controllers and associated Zone Managers contains information concerning interrelationships and network identifications For this rea
106. to be OC UNOCCUPIED received or at OC STANDBY application restart OC NUL DestSchedOccNext nviTodEvent next state SNVT tod event next state OC OCCUPIED OC OCCUPIED if bound but fails to be OC UNOCCUPIED received or at OC STANDBY application restart OC NUL DestSchedOccTime nviTodEvent time to next state SNVT tod event time to next 0 if bound but fails to state UWORD be received or at 0 to 2880 minutes application restart DestWindow nviEnergyHoldOff value SNVT switch value 0 if bound but fails to 0 to 100 be received or at application restart nviEnergyHoldOff state SNVT switch state NO WINDOW CLOSED if bound but fails to be OPEN received or at NO WINDOW application restart continued 51 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C3 Input Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT SH MEI 74 2990 6 0311 Comments This is used by factory test OEM field test field installation and field testing to manually command the physical output 1 when the node has been put into manual mode nviManualMode MODE_MANUAL NORMAL_HC_MODE output 1 remains in its current position OFF1_OFF2 ON1_OFF2 OFF1_ON2 1 2 set the individual triacs on or off TESTPOSITION sets output based on output1_test_pos This is used fo
107. troller can be put into a manual mode that disables the control algorithms and allows manual setting of outputs for system checkout The variable nviManualMode must be set to Mode_Manual using the E Vision PC tool Inputs are read and digital filtering of analog inputs is turned off to speed up settling time Input network variables are received and output network variables are sent periodically Triac outputs can be set to any combination of on off or can be set to a test position based upon the configured valve runtime cycle time The override LED can be commanded on off in this mode also See the E Vision User Guide section for Manual Mode for detailed procedures 74 2990 6r0311 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING APPENDIX A USING E VISION TO COMMISSION A CHILLED CEILING CONTROLLER Temperature Sensor Calibration The temperature sensor in the Excel 10 wall modules can be calibrated to correct for sensor inaccuracies wire resistance etc This allows the Excel 10 Chilled Ceiling Controller to sense the space temperature with a high degree of accuracy Procedure Select the controller being worked on with E Vision see the E Vision User Guide for details on using E Vision From within E Vision with the desired Chilled Ceiling plant loaded and the SLTA Q7752A connected to the LONWORKS Bus or via the B Port of an Excel 10 Zone Manager perform the following procedure 1 Select a controller symbol from a
108. ttin DestManOcc to OC STANDBY via the network When in Standby mode the W7763 uses the Standby Cooling or Heating setpoint SptCoolStby or SptHeatStby Window Sensor The digital input for a window contact provides the algorithm with a means to disable its temperature control activities if someone has opened a window or door in the room If no window sensor is connected to the controller the sensor from another node may used by binding it to DestWindow Frost protection remains active controller enables heating circuit with room temperatures below 46 F 8 C Normal tem perature control resumes when the window closes 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Demand Limit Control When high electrical demand signal is received from an energy management system via the LONWORKS network DestDldShed the controller uses DIcStptBump to shift the current setpoint down for heating and up for cooling by the configured value to save energy SETPOINT HEATING GRADIENT OCCUPIED STANDBY OR HEATING SETPOINT UNOCCUPIED HEATING SETPOINT SCHEDULED TIME OCCUPIED Fig 4 Optimum start heating OPTIMUM START TIME HEATING Occupancy Status Optimum Start Gradients There are two parameters RecRampCool and RecRampHeat that can be configured to cause the cooling and heating setpoints respectively to ramp up to their Occupied settings from their Unoccupied or Standby sett
109. ue SNVT_switch 0 to 100 nviReheatRelay SNVT_switch OFF ON NUL nviTest reheat_cmd BYTE NORMAL_HC_MODE NORMAL_HC_MODE 0 OFF1_OFF2 1_ 2 nvoChcStatus external_active Bit EXTERNAL_NOT_ACTICE EXTERNAL_ACTIVE nvoChcStatus reheat_active SNVT_lev_disc ST_OFF 0 ST_ON 4 ST_NUL No Reheat 255 nvoChcStatus spare fel WORD SS continued 69 74 2990 6r031 1 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers right Share SH Map MA Direct Access DA Monitor M Heartbeat HBT ee eee 74 2990 6 0311 70 Comments continued EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Table C5 Unused Variables for W7763 Controllers left Digital Engineering Units State English Metric or or Field Name States plus Range Value User Address NvName nvoChcStatusP external_active Same as nvoChcStatus not_used Same as nvoChcStatus reheat_active Same as nvoChcStatus spare field 0 Same as nvoChcStatus value SNVT switch value 0 to 10096 state SNVT switch state OFF 0 ON 1 NO REHEAT 2 raw data 0 UWORD 0 to 65535 out of limits open circuit out of service mechanical fault feedback failure electrical fault unable to measure fail self test Self test in progress nvoStatus manual control mem _ __ nvoUnitStatus heat_output_second
110. used If set to FOUR PIPE output1 and output2 are defined by nciChcConfig output mode This is the default setpoint for the occupied cooling setpoint that is used in case there is no locally wired setpoint knob or nviSetpoint has not been bound Where the ZEB for occupied is used this derives from the difference of occupied cool and occupied heat This is the configured setpoint that applies to the standby cooling mode Where the ZEB for standby is used it derives from the difference of standby cool and standby heat This is the configured setpoint that applies to the unoccupied cooling mode This is the default setpoint for the occupied heating setpoint that is used in case there is no locally wired setpoint knob or nviSetpoint has not been bound Where the ZEB for occupied is used this derives from the difference of occupied cool and occupied heat This is the configured setpoint that applies to the standby heating mode Where the ZEB for standby is used it derives from the difference of standby cool and standby heat This is the configured setpoint that applies to the unoccupied heating mode This is the parameter that determines the time the controller remains in OCCUPIED mode before reverting to the original occupancy mode after pressing the override button at the wall module or initiating BYPASS via the network When the bypass mode has been activated the bypass timer is set to ui bypass time When the timer expires nvoChcStatus o
111. wo twisted pairs Europe Belden 9D220150 Input 14 to 20 AWG Multiconductor usually five 140 F 60 C Standard thermostat wire 82 5 ft 25m Wiring 2 0 to 0 5 wire cable bundle For runs rating Sensors 2100 ft 30 m twisted pair Contacts shielded cable is recommended Output 14 AWG 2 5 Any pair non shielded use NEC Class 2 Honeywell US 200 ft 60m Wiring mm heavier wire for longer runs 140 F 60 C AK3702 18 AWG Actuators 18 AWG 1 0 rating AK3712 16 AWG Relays mm acceptable AK3754 14 AWG for short runs or equivalent Power 14 AWG Any pair non shielded use NEC Class 2 Honeywell US Limited by line loss Wiring 2 5 mm heavier wire for longer runs 140 F 60 C AK3754 14 AWG effects on power rating twisted pair consumption AK3909 14 AWG single conductor or equivalent See Line Loss subsection NOTE PVC wire must not be used where prohibited by local fire regulations W7763 Controller Fig 16 illustrates W7763 Controller terminal block assignments and wiring for a sample Chilled Ceiling installation All connections are made at terminal blocks 1 2 IN 13 MM 1 STRIP 1 2 IN 13 MM FROM WIRES TO BE ATTACHED AT ONE TERMINAL TURNS 2 TWIST WIRES TOGETHER WITH PLIERS A MINIMUM OF THREE Table 11 lists wiring information for wiring all of the possible actuator types 3 CUT TWISTED END OF WIRES TO 3 16 IN 5 MM BEFORE INSE
112. x ZONE MANAGER W7763 CHILLED CEILING CONTROLLER W7763 CHILLED CEILING CONTROLLER UP TO 60 TOTAL NODES LONWORKS ROUTER TERMINATION W7763 CHILLED CEILING CONTROLLER W7763 CHILLED CEILING CONTROLLER MODULE 209541B ECHELON TERMINATION MODULE 209541B TERMINATION UP TO 60 MODULE 209541B TOTAL NODES Fig 11 LonWorks Bus wiring layout for two daisy chain network segments TERMINATION MODULE SINGLY TERMINATED TERMINATION MODULE TERMINATION MODULE LOOP TERMINATION MODULE Fig 12 Free topology LonWorks layout examples MIXED Do not use different wire types or gauges on the NOTE See the LoNWoRks Bus Termination Module section same LONWorks Bus segment The step change for additional details in line impedance characteristics would cause unpredictable reflections on the bus When using IMPORTANT different types is unavoidable use a Q7751A Notes on Communications Wiring Router at the junction All field wiring must conform to local codes and ordinances 74 2990 6 0311 18 EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING Do not use shielded cable for LONWORKS wiring runs The higher capacitance of the shielded cable will cause degradation of communications throughput In noisy high EMI environments avoid wire runs parallel to noisy power cables or lines containing lighting dimm
113. ystems can be controlled with up to three different stages of heating cooling control Switching levels are specified in 95 of control level see Fig 8 as is a hysteresis setting which applies to all switching levels Heating and Cooling switching levels and hysteresis are specified separately Minimum off times can be configured and a minimum on time can also be configured PWM electronic valves and thermal actuators can also be connected and can be configured as either direct or reverse action The cycle time must be specified during configuration In the case of PWM valves the zero and full positions must also be configured EXCEL 10 CHILLED CEILING CONTROLLER SYSTEM ENGINEERING HEATING HYSTERESIS COOLING _ 10 STAGES 4 0 STAGE STAGE 2 STAGE 1 9 gt SWITCHING CONTROL LEVEL 1 DEMAND 5 SWITCHING SWITCHING 100 LEVEL 2 LEVEL 3 50 75 Fig 8 Three stage heating cooling switching defaults for switching levels and hysteresis shown Digital Input There is a single digital input to the W7763 Controller which may be configured to accommodate an occupancy sensor a window open closed contact a condensation detector or a changeover input It is possible to configure the input for either normally open or normally closed contacts for any of the switches Choose the option which corresponds to the condition of a closed contact input high The control algorithm in the Chilled Ceiling Cont

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