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3 Room heater control:
o During heating heat-up interval
Follow normal room heater control operation.
4 Tank heater control:
o During heating heat-up interval
Internal tank heater will not function under heating heat-up interval.
o During tank heat-up interval
Internal tank heater will turn ON after heat puMp thermo off to boil tank temperature to tank set
temperature.
o 2ways valve control is open
o Indoor water pump control:
o Indoor water pump control:
Indoor water pump always turn ON if room heat pump thermo ON OR Tank thermo ON.
12.1.11 Cool + Tank Mode Operation
1 3 ways valve control:
o 3 ways valve switch to room side during room cooling interval and switch to tank side during tank heat-up
interval. Both mode will switch alternately. Tank mode is the initial mode of cool + tank mode.
2 Heat pump operation control:
o During room heat-up interval
Follow normal cooling operation.
Switching to tank side depends to below cases:
Case
1:
[Previous switch from tank interval to room interval due to thermo OFF]
Switch to tank heat-up interval when Tank temperature < Tank Thermo ON temperature (Room
interval will ends)
Case 2:
[If cooling operation at room side is less than 30 minutes and switch to tank side for 3 times
consecutively]
Maintain at room cooling interval regardless of the tank temperature. Switch to tank heat-up interval
only when (Room Interval Timer is complete OR Room heat pump thermo OFF) AND Tank
temperature < Tank thermo ON temperature.
temperature < Tank thermo ON temperature.
Case
3:
[Previous switch from tank interval to room interval is due to tank interval timer is complete]
Maintain at room cooling interval regardless of the tank temperature. Switch to tank heat-up interval
only when (Room Interval Timer is complete OR Room heat pump thermo OFF) AND tank
temperature < Tank thermo ON temperature.
temperature < Tank thermo ON temperature.
*Tank Thermo ON temperature:
Internal Tank Heater select USE <Tank set temperature + R/C setting (Tank re-heat temperature)
Others
<Tank water set temperature + R/C setting (Tank re-heat temperature)
o During tank heat-up interval
Tank interval is the first mode running when the cool + tank mode is select.
Switch to room interval only when tank achieve tank thermo OFF OR tank heat-up interval timer is
complete.
Heat pump operates according to normal tank mode operation.
3 Room heater control:
o During room cooling interval
Room heater is OFF and not operates.
4 Tank heater control:
o During room cooling interval
Internal tank heater will not function under room cooling interval.
o During tank heat-up interval
Internal tank heater will turn ON after heat pump thermos off to boil tank temperature to tank set
temperature.
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