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12.24 External Compressor Switch (Optional PCB)
External compressor switch port can have two purpose of control as below:
a) Heat source ON/OFF function (Dip switch Pin 3 on PCB "OFF")
b) Heater ON/OFF function (Dip switch Pin 3 on PCB "ON")
a) Heat source ON/OFF function
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.
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:
a) Heat pump system operate normally
-
When the External Compressor Switch is OFF:
a) Heat pump, Indoor water pump & Heater ( Booster heater & Backup Heater ) need to turn OFF
b) 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.)
b) Heater ON/OFF function
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:
a) Heat pump and heater operate normally
-
When the External Compressor Switch is OFF:
a) Backup heater and booster heater cannot operate even heater request is ON.
b) 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.)