Panasonic WH-SDF16C9E8 [54/125] Force heater mode operation

12.5 Force Heater Mode Operation

The backup heater also serves as backup in case of malfunctioning of the outdoor unit.

1 Make sure the OFF/ON control panel LED is OFF (no operation).

2 Press the Force button to start the force heater mode operation.

3 During force heater mode, all other operations are not allowed.

4 Press OFF/ON button to stop the force heater mode operation.

12.6 Indoor Unit Safety

12.6.1 Indoor Unit Safety Control

1 When water pump is ON, the system will start checking flow switch status (ON/OFF).

2 If the flow switch ON for 10 seconds, the system will check on the water inlet temperature for 10 seconds.

If the water inlet temperature not exceeds 80°C, the water pump shall be continuously running with normal

mode.

If the water inlet temperature exceeds 80°C for continuously 10 seconds, the water pump will be OFF

immediately.

3 After water pump OFF for more than 10 minutes, it will be ON back and the indoor unit safety control

checking is restarted.

12.7 Auto Restart Control

1 When the power supply is cut off during the operation of Air-to-Water Heatpump, the compressor will re-

operate after power supply resumes.