Johnson Controls HICM008B21S - Picking Up Operation Signals; Cooling Operation and Thermo-ON Signal Outputs

SM-18003
5-15
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
(5)PickingUpHeatingOperationSignal[OutputSetting:Code(05)]
 Thisfunctionisutilizedtopickupaheatingoperationsignalthathasnothingtodowiththecompressor
stoppagebyathermistor.Anexampleofbasicwiringisshownbelow.Thecontactoftheauxiliary
relay“RYa”isclosedwhenthisoperationsignalisgiven.
Picking Up Operation Signal
(Example: Heating Operation Output is set to terminals 1 and 3 of CN7.)
CN7 Connector
CN7
1
3 P Connector
Indoor Unit PCB
3
Auxiliary Relay
RYa
RY
(3)PickingUpCoolingOperationSignal[OutputSetting:Code(03)]
 Thisfunctionisutilizedtopickupacoolingoperationsignalthathasnothingtodowiththecompressor
stoppagebyathermistor.Anexampleofbasicwiringisshownbelow.Thecontactoftheauxiliary
relay“RYa”isclosedwhenthisoperationsignalisgiven.
Picking Up Operation Signal
(Example: Cooling Operation Output is set to terminals 1 and 3 of CN7.)
CN7 Connector
CN7
1
3 P Connector
Indoor Unit PCB
3
Auxiliary Relay
RYa
RY
(4)PickingUpCoolingThermo-ONSignal[OutputSetting:Code(04)]
 Thisfunctionisutilizedtopickupathermo-ONsignalduringthecoolingoperation.Anexampleof
basicwiringisshownbelow.Thecontactoftheauxiliaryrelay“RYa”isclosedduringthermo-ONin
coolingoperation.
Picking Up Cooling Operation Signal
(Example: Cooling Thermo-ON Output is set to terminals 1 and 3 of CN7.)
CN7 Connector
CN7
1
3 P Connector
Indoor Unit PCB
3
Auxiliary Relay
RYa
RY