Indoor Unit Safety; Auto Restart Control; Indication Panel - Panasonic WH-ADC0309H3E Service Manual

12.3 Indoor Unit Safety

12.3.1 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.
12.4

Auto Restart Control

1 When the power supply is cut off during the operation of Air-to-Water Heatpump, the compressor will
reoperate after power supply resumes.
12.5

Indication Panel

Note:

If Operation LED is blinking, there is an abnormality operation occurs.
Pump ON
10s
Flow SW ON?
YES
Water In > 80°C for 10s
YES
Pump OFF
>10 mins
YES
LED
Color
Light ON
Light OFF
106
NO to normal mode
Operation
Green
Operation ON
Operation OFF