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13.7.3 Internal Heater Control at Tank Mode
Internal heater turn On condition:
1 Internal Heater select for Tank heater by remote controller
2 Tank Heater select ON by user.
3 Backup Heater Enable
4 Tank Temperature < Tank Set Temperature
5 Heat Pump Thermo OFF
6 20 minutes from previous heater off.
Internal heater turn OFF condition:
1 Tank Temperature > Tank Set Tempe [0°C] for continuous 15 seconds.
OR
2 Heat Pump Thermo ON
OR
3 Mode Change or Operation OFF by remote controller
OR
4 Water outlet temperature > 75°C
* Backup Heater Turn ON/OFF all together according to the selected heater capacity.
65°C
Time
Tank Temp.
Tank Water Set Temp.
Backup
Heater
Operation
Heat Pump
Operation
13.8 Base Pan Heater Control (Optional)
To enable the base pan heater function, control panel initial setting has to be manually adjusted by activating
Base Pan Heater menu.
There are 2 optional start condition can be selected, Type A or Type B.
Control details:
1 Type A: (Default Auto Mode)
Start conditions:
o
When outdoor air temperature ≤ 3°C during heating and deice operation is ON.
Control contents:
o
Base pan heater is ON during deice operation and continues ON for 10 minutes after deice operation
ends.
Cancel condition:
o
When outdoor temperature > 6°C after deice end or
o
When operation is not at heating mode or
o
Base pan heater ON timer count is completed.
2 Type B: (ON Mode)
Start conditions:
o
When outdoor air temperature is ≤ 5°C and operates in heating mode, base pan heater is ON.
Cancel conditions:
o
When outdoor air temperature is > 7°C or
o
When operation is not at heating mode.
