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12.23 External Compressor Switch (Optional PCB)
External compressor switch port can have two purpose of control as below:
Heat source ON/OFF function (Dip switch Pin 3 on PCB "OFF")
Heater ON/OFF function (Dip switch Pin 3 on PCB "ON")
Heat source ON/OFF function
Purpose:
Purpose:
Heat pump ON/OFF function is use to turn OFF the high power consumption device (Heat pump, & Heater) when
there is energy or electric current limitation. Other optional function still can be operate under heat pump and
heater OFF condition.
heater OFF condition.
Control Detail:
This
External
Compressor
Switch is possible to connect to Optional PCB only.
Once the remocon select External Compressor Switch connection "YES", & Dip Switch on PCB "OFF"
This heat pump ON/OFF function will activate
The ON/OFF signal of this External Compressor Switch is same as External Switch.
When the External Compressor Switch is ON:
o Heat pump system operate normally
When the External Compressor Switch is OFF:
o Heat pump, Indoor water pump & Heater ( Booster heater & Backup Heater ) need to turn OFF
o Solar, Boiler and zone control can be operate follow normal control condition.
o Solar, Boiler and zone control can be operate follow normal control condition.
* pump delay OFF also included in this control
(There is NO pop up screen like External Switch when this External Compressor Switch is OFF.)
Heater ON/OFF function
Purpose:
Purpose:
Heater ON/OFF function is use to turn OFF the heater (backup heater & booster heater) when there is energy or
electric current limitation. Heat pump and other optional function still can operate.
Control detail:
This
External
Compressor
Switch is possible to connect to Optional PCB only.
Once the remocon select External Compressor Switch connection "YES", & Dip Switch on PCB "ON"
This heater ON/OFF function will activate
When the External Compressor Switch is ON:
o Heat pump and heater operate normally
When the External Compressor Switch is OFF:
o Backup heater and booster heater cannot operate even heater request is ON.
o Heat pump and option function (Solar, Boiler and zone control) can be operate follow normal control
o Heat pump and option function (Solar, Boiler and zone control) can be operate follow normal control
condition.
(There is NO pop up screen like External Switch when this External Compressor Switch is OFF.)
12.24 Heat/Cool Switch (Optional PCB)
Purpose:
User can switch the running mode from heat to cool or cool to heat through external installed Heat/Cool switch.
This kind of heat / cool switch may built in inside the field supply room remocon as well.
Control contents:
Heat/Cool Switch can only be set when Cool Function is "enable" at custom menu setting, & Extension PCB
select "YES" & Zone 1 not set "Pool" condition.
This heat/cool switch control will be activate only when installer set the Heat/Cool Switch "USE" through remocon.
Once the Heat/Cool Switch Set "USE", remocon will check indoor send Signal to judge the option of mode select.
o When Heat/Cool Switch Contact Open : Remocon only can select Heat Mode, or Heat + Tank Mode, or Tank
Mode
o When Heat/Cool Switch Contact Close : Remocon only can select Cool Mode, or Cool + Tank Mode, or Tank
Mode
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