background image

Sales and Engineering Data Sheet 

ED 15103-6

Group: 

Controls

Part Number: 

ED 15103

Date: 

July 2018

MicroTech

®

 III Water Source Heat Pump 

Unit Controller Protocol Information

L

on

W

orks

®

 Networks 

BACnet

®

 Networks (MS/TP

)

Enfinity™ Single Stage Compressor Models: CCH/CCW, LVC/LVW, 

 

MHC/MHW, VFC/VFW and VHC/VHF

SmartSource

®

 Single and Two Stage Compressor Models: GCV, GSH/GSV 

and GTH/GTV
Enfinity™ Large Two Compressor Models: CCH/CCW and LVC/LVW

Summary of Contents for MicroTech III

Page 1: ...er Source Heat Pump Unit Controller Protocol Information LonWorks Networks BACnet Networks MS TP Enfinity Single Stage Compressor Models CCH CCW LVC LVW MHC MHW VFC VFW and VHC VHF SmartSource Single...

Page 2: ...58 Setpoint Methods BACnet 58 Setpoint Methods LonWorks 58 Appendix A Protocol Implementation Conformance Statements PICS 62 BACnet PICS Enfinity Single Stage Compressor Water Source Heat Pumps 62 Pr...

Page 3: ...llowing variables revert to default Null after reboot Application Mode Input Space Temp Input Temp Setpoint Input Temp Setpoint Offset Input Humidistat Remote Input Compressor Enable Input Occ Overrid...

Page 4: ...ae org It addresses all aspects of the various systems that are applied to building control systems BACnet provides the communication infrastructure needed to integrate products manufactured by differ...

Page 5: ...re part number and compatibility details BACnet Data Points Enfinity Single Stage Compressor Models MHC MHW CCH CCW VFC VFW LVC LVW VHC VHF Table 1 Analog Values Enfinity Single Stage Compressor Point...

Page 6: ...ce Temperature Setpoint for the Occupied Heat Setpoint Interaction Rules3 AV4 AV1 AV10 AV4 AV32 AV4 AV33 Standby Heat Setpoint AV 5 W cpStandby_ 50 to 95 F 10 to 35 C Default 66 F 18 88 C Y Defines th...

Page 7: ...sor Low Suction Temp Protection Differential AV 13 W cpLowTmpProtDif 2 to 15 F 1 11 to 8 34 C Default 8 F 4 44 C Y AV13 is added to the selected Compressor Low Suction Temperature SP AV11 or AV12 to d...

Page 8: ...setpoint adjustment value from the room sensor potentiometer It is valid when configured for Short Range Setpoint Adjust Unoccupied Cooling Setpoint Shift Output AV 26 R Unoccupied _CoolShift Default...

Page 9: ...default the instance number 3101007 when the MAC 7 Table 3 Binary Inputs Enfinity Single Stage Compressor Point Name Object Type Instance Read Write Access2 BACnet Object Name Range Default in Units...

Page 10: ...on proof of loop fluid flow The loop pump must be running to provide adequate flow through the WSHP The network override will revert back to its default value upon unit controller reboot 1 Disabled 2...

Page 11: ...n the Occupied mode during the amount of time declared in Timed Override Setpoint Schedule Override and or an Occupancy Sensor The network override will revert back to its default value upon unit cont...

Page 12: ...default value upon unit controller reboot 1 Normal 2 Energy Hold Off 3 Null Pump Request Output MSV 13 R PumpRequest 1 to 3 N Indicates when the unit is requesting flow from the loop water controller...

Page 13: ...baud rate to match the speed of the BACnet network Speeds above 38400 should be avoided unless the network wiring has been tested and verified to meet the required speed The baud rate must be set usin...

Page 14: ...emperature sensor value 6 Discharge Air Temperature AI 4 R DischAirTemp 0 to 158 F 17 77 to 70 C Default 32 F 0 C N Indicates the discharge air temperature sensor value 6 Local Setpoint Adjust Output...

Page 15: ...the Bypass mode initiated by the Timed Override button Pressing the Timed Override button 4 9 seconds sets the bypass timer to the maximum AV7 value The value of 0 disables this feature Interstage OFF...

Page 16: ...s the last valid value after power up 6 The network override will revert back to its default value upon unit controller reboot See Space Temperature Setpoint Methods Receive Heartbeat AV 20 W cpRcvHrt...

Page 17: ...fluid The compressor s are disabled in the heating mode when the low EWT condition exists Unit controller configuration jumper JP3 must be open in order to select water as the loop fluid type The hys...

Page 18: ...physical Address Switch S3 When the physical address switch is set to a value of 255 the dynamic MAC addressing algorithm is used to commission the BACnet communication module This variable represent...

Page 19: ...ed Parameters Information for bit descriptions Table 12 Multi State Inputs SmartSource Single and Two Stage Enfinity Large Two Compressor Point Name Object Type Instance Read Write Access2 BACnet Obje...

Page 20: ...Fail 11 Enter Water Temp Snsr Fail 12 Leaving Water Temp Snsr Fail 13 Condensate Overflow 14 Low Entering Water Temp 15 Serial EEPROM Corrupted 16 Wtrside Econ Low Temp Cutout Enfinity Large Two Comp...

Page 21: ...ering Water Temp Sensor Fail 16 Leaving Water Temp Snsr Fail 17 Condensate Overflow 18 Low Entering Water Temp 19 Serial EEPROM Corrupted 20 Wtrside Econ Low Temp Cutout Effective Occupancy Output MSV...

Page 22: ...heat is enabled 7 The network override will revert back to its default value upon unit controller reboot 1 Disabled 2 Enabled 3 Null Energy Hold Off Input MSV 12 C EnergyHoldOff 1 to 3 Default 3 N Wh...

Page 23: ...e 38400 should be avoided unless the network wiring has been tested and verified to meet the required speed The baud rate must be set using the BACnet configuration menu See BACnet Configuration and C...

Page 24: ...NVT Type SNVT Index Range Default in Units Heart beat Description Network Variable Inputs NVIs Application Mode Input nviApplicMode 4 SNVT_hvac_mode 108 Default HVAC_NUL Recv Sets the unit in an appli...

Page 25: ...Sensor It is also where a local timed override hardwired input is monitored and used to place the unit in the Occupied mode during the amount of time declared in Timed Override setpoint using Schedul...

Page 26: ...e will revert back to its default value upon unit controller reboot See Space Temperature Setpoint Methods Temperature Setpoint Offset Input nviSetptOffset 12 SNVT_temp_p 105 18 to 18 F 10 to 10 C Def...

Page 27: ...isplays the current highest active alarm Alarm Strings No Alarms Low Voltage Brownout Comp 1 High Pressure Comp 2 High Pressure Comp 1 Low Pressure Comp 2 Low Pressure Comp 1 Suctn Temp Snsr Fail Comp...

Page 28: ...used to determine the Effective Heating Cooling setpoints It is the value of the local hardwired Space Temperature setpoint Only valid if the unit controller JP5 configuration jumper is configured for...

Page 29: ...ull 1 0 to 100 Setpoint Shift Output nvoSetptShift 25 SNVT_temp_setpt 106 3 to 3 F 1 67 to 1 67 C Init All Setpts 0 F Send Represents the local hardwired setpoint adjustment value from the room sensor...

Page 30: ...efreshed often enough through a network command or if communication is disabled i e the device is disabled or is offline Table 17 Network Configuration Properties Inputs NCIs Enfinity Single Stage Com...

Page 31: ...pOnTmr UCPTminCompOnTmr 120 to 1200 sec Default 180 sec No A countdown timer that defines the minimum period of time a compressor must remain ON before it is allowed to turn OFF again Cooling Intersta...

Page 32: ...nit Minimum Send Time nciMinOutTm SCPTminSendTime 0 to 6553 4 sec Default 0 Disabled No Minimum period of time between automatic network variable output transmissions It limits network traffic when ou...

Page 33: ...77 F 25 00 C Unoccupied_cool 85 F 29 44 C Occupied_heat 70 F 21 11 C Standby_heat 66 F 18 88 C Unoccupied_heat 60 F 15 55 C Receive Heartbeat nciRcvHrtBt SCPTmaxRcvTime 0 to 6553 4 sec Default 0 sec D...

Page 34: ...unication module firmware Do not modify this configuration property Software Jumpers nciSoftJumpers UCPTsoftJumpers 16 Characters No Sets the software jumper configuration This property is not impleme...

Page 35: ...A 0 5 to 100 Compressor Enable nviComprEnable 11 SNVT_switch 95 Default Null Recv Specifies if the compressor s are allowed to operate which can be based on proof of loop fluid flow The loop pump must...

Page 36: ...clared in Timed Override Setpoint using Schedule Override and or an occupancy sensor The network override will revert back to its default value upon unit controller reboot See Effective Occupancy Mode...

Page 37: ...mpanies use this numeric value instead of text to reference these variables The NV index number can also be found in the XIF file 3 After Receive Heartbeat is enabled this variable reverts to the defa...

Page 38: ...PROM Corrupted Wtrside Econ Low Temp Cutout Enfinity Large Two Comp SS2C Alarm Strings No Alarms IO Exp Communication Fail Invalid Configuration Low Voltage Brownout Comp 1 High Pressure Comp 2 High P...

Page 39: ...peed SmartSource 46 Enfinity SS2C 47 SNVT_switch 95 Init OFF Send Displays the commanded fan speed SmartSource Series2 Fan Speed State Value OFF 0 0 Running 1 0 to 100 Enfinity Large Two Compressor SS...

Page 40: ...e previous unit fault SmartSource Series2 Alarm Strings No Alarms IO Exp Communication Fail Invalid Configuration Low Voltage Brownout Comp High Pressure Comp Low Pressure Comp Suctn Temp Snsr Fail Co...

Page 41: ...0 occupied_heat standby_heat unoccupied_heat always 0 Status nvoStatus SNVT_obj_status 93 Init All structure elements 0 No Reports the status of the requested functional block as commanded from nviRe...

Page 42: ...Entering Water Temp 14 Serial EEPROM Corrupted 15 Wtrside Econ Low Temp Cutout Enfinity Large Two Compressor SS2C Alarm Identifiers 0 No Alarms 1 IO Exp Communication Fail 2 Invalid Configuration 3 L...

Page 43: ...unit controller JP3 jumper in the open position which selects water nciLowTempProt does not apply to the dehumidification and cooling modes which use a fixed 28 F low temp threshold regardless of the...

Page 44: ...nciSptAdjMin must be less than or equal to the nciSptAdjMax value Low Leaving Water Temp Differential nciLowLwtDiff UCPTlowLwtDiff 2 to 15 F 1 11 to 8 34 C Default 7 F 3 89 C No Specifies the Low Leav...

Page 45: ...iable supported by Receive Heartbeat has a separate timer associated with it The value of 0 disables this feature Supported Variables nviApplicMode nviAuxHeatEnable nviComprEnable nviEnergyHoldOff nvi...

Page 46: ...implemented in unit controller software Third Stage Heating Setpoint Differential nciStg3SptDiff UCPTstg3SptDiff 1 to 10 F 0 55 to 5 56 C Default 6 F 3 33 C No Used to determine the Third Stage Heati...

Page 47: ...itch Switch Closed 1 Low Pressure Switch for compressor 1 is normal Switch Open 0 Low Pressure Switch for compressor 1 is in alarm 9 Compressor 1 High Pressure Switch Switch Closed 1 High Pressure Swi...

Page 48: ...Stage Compressor Models GSH GSV GTH GTV and GCV Bit Number Bit Description Setting Description Unit Controller Jumpers 0 Normal Test Mode Jumper 1 Open 0 Normal operation Jumper 1 Shorted 1 Service Te...

Page 49: ...ctric heat Jumper 4 Open 0 Jumper 3 Open 0 Boilerless electric heat Jumper 4 Shorted 1 Jumper 3 Shorted 1 Hydronic Heating applies only to unit controller software v6 0 and newer Jumper 4 Shorted 1 22...

Page 50: ...h for compressor 1 is in alarm 9 Compressor 1 High Pressure Switch Switch Closed 1 High Pressure Switch for compressor 1 is normal Switch Open 0 High Pressure Switch for compressor 1 is in alarm 10 Em...

Page 51: ...or 2 is lead I O Expansion Module Inputs 26 Compressor 2 Low Pressure Switch Switch Closed 1 Low Pressure Switch for compressor 2 is normal Switch Open 0 Low Pressure Switch for compressor 2 is in ala...

Page 52: ...llow LED OFF 0 ON 1 Red Green and Yellow LEDs are used in combination to indicate the unit controller Fault Status mode for Circuit 1 8 Room Sensor Status LED ON 1 Indicates the room sensor Status LED...

Page 53: ...F 0 ON 1 Red Green and Yellow LEDs are used in combination to indicate the unit controller Fault Status mode for Circuit 2 1 MSB Most Significant Bit Table 26 Bit Description for Enfinity Large Two Co...

Page 54: ...xMasters can be set from the BAS or from the BACnet configuration menu MAC Address Address Switch must be set according to the BACnet network requirements The MS TP MAC address can be set from the BAS...

Page 55: ...k traffic for diagnostic testing of the MS TP network When the communication module receives a network command to disable communication it stops communicating fan coil unit information to the network...

Page 56: ...owing conditions Brownout Mode Emergency Shutdown Defrost process Upon receiving a wink command from a network management node the unit controller exhibits the following identification sequence all oc...

Page 57: ...upancy Mode LonWorks Local Sensor nviOccManCmd nviOccSchedule nviOccSensor nvoEffectOccup NA OC_OCCUPIED NA NA OC_OCCUPIED NA OC_ UNOCCUPIED NA NA OC_ UNOCCUPIED NA OC_BYPASS OC_OCCUPIED NA OC_OCCUPIE...

Page 58: ...ReferenceSP AV2 DeadBandFactor AV35 EffCoolOnSP ReferenceSP DeadBandFactor EffCoolOffSP EffCoolOnSP AV10 EffHeatOnSP ReferenceSP DeadBandFactor EffHeatOffSP EffHeatOnSP AV10 3 The unit is operating I...

Page 59: ...oints occupied_cool nvoSetptShift EffCoolOffSP EffCoolOnSP nciOccDiff EffHeatOnSP nciSetpoints occupied_heat nvoSetptShift EffHeatOffSP EffHeatOnSP nciOccDiff 5 The unit is operating in Standby mode w...

Page 60: ...Effective Heat Stage 1 ON SP 0 5 Effective Deadband 0 5 Effective Deadband nciOccDiff nciOccDiff 79 Effective Cool Stage 3 ON SP 76 Effective Cool Stage 2 OFF SP 78 Effective Cool Stage 3 OFF SP 77 Ef...

Page 61: ...LocSptEnable Disabled MSV14 nciLocSptEnable Enabled MSV14 nciLocSptEnable Enabled Effective Cool OFF SP 85 2 83 F AV19 nviSetpoint 72 F Reference SP AI5 nvoSetpoint 72 5 F HP0 HP11 AV25 nvoSetptShift...

Page 62: ...signed to operate the heat pump unit and integrate it into a BACnet building automation system BACnet Standardized Device Profile The MicroTech III WSHP unit controller supports the BACnet Interoperab...

Page 63: ...riority_Array Relinquish_Default MSV15 Device Units English Metric Device Description Location Max_Master Description Location Limit 32 Chars Max_Master Data Link Layer Options BACnet IP Annex J BACne...

Page 64: ...module is a microprocessor designed to operate the heat pump unit and integrate it into a BACnet building automation system BACnet Standardized Device Profile The MicroTech III WSHP unit controller s...

Page 65: ...riority_Array Relinquish_Default MSV15 Device Units English Metric Device Description Location Max_Master Description Location Limit 32 Chars Max_Master Data Link Layer Options BACnet IP Annex J BACne...

Page 66: ...ocessor designed to operate the heat pump unit and integrate it into a BACnet building automation system BACnet Standardized Device Profile The MicroTech III WSHP unit controller supports the BACnet I...

Page 67: ...riority_Array Relinquish_Default MSV15 Device Units English Metric Device Description Location Max_Master Description Location Limit 32 Chars Max_Master Data Link Layer Options BACnet IP Annex J BACne...

Page 68: ...ant to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Applied representative for warranty details To find your local Daikin Applied representati...

Reviews: