Panasonic WH-ADC0916G9E8, Service Manual, Page: 80 / 205

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12.9 Heater Control for Tank Side

Backup heater turn ON at tank side after fulfill below condition:
1 Tank Temperature < Tank Set Tempe [0°C] AND
2 Heat Pump Thermo OFF. AND
3 20 minutes from previous heater OFF. AND
4 Remote controller Select USE for Backup Heater for Tank.

Backup Heater Turn OFF condition:
1 Tank Temperature > Tank Set Tempe [0°C] for continuously 15 seconds. OR
2 Heat Pump Thermo ON. OR
3 Mode Change or Operation OFF by remote controller.
* Backup Heater Turn ON/OFF all together according to the selected heater capacity.
12.10 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.
Note:
* Base pan heater cannot be ON during test mode and standby mode.
Tank
Temp.
65°C
Tank Water Set Temp
Time
Heat Pump
Operation
Backup
Heater
Operation