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

5-16
SM-18003
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
(7)PickingUpTotalHeatExchangerSignal[OutputSetting:Code(07)]
 Thisfunctionisutilizedtopickupatotalheatexchangersignalduringtheventilationmodeselected
withawiredcontroller.Anexampleofbasicwiringisshownbelow.
Picking Up Total Heat Exchanger 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
NOTE:
Theseareexamplesusinggeneral-purposerelay.
(6)PickingUpHeatingThermo-ONSignal[OutputSetting:Code(06)]
 Thisfunctionisutilizedtopickupathermo-ONsignalduringtheheatingoperation.Anexampleof
basicwiringisshownbelow.Thecontactoftheauxiliaryrelay“RYa”isclosedduringthermo-ONin
heatingoperation.Usethisfunctionforoperationofacirculatororahumidier.
Picking Up Operation Signal
(Example: Heating Thermo-ON Output is set to terminals 1 and 2 of CN8.)
RY
CN8 Connector
CN8
12
3 P Connector
Indoor Unit PCB
Auxiliary Relay
RYa