Panasonic WHSD24BE51, Service Manual

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12.5. Indoor Unit Safety
12.5.1. 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.
12.6. Auto Restart Control
1. When the power supply is cut off during the operation of Air-to-Water Heatpump, the compressor will re-operate within three
to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly)
after power supply resumes.
12.7. Indication Panel
Note:
• If Operation LED is blinking, there is an abnormality operation occurs.
LED Operation
Color Green
Light ON Operation ON
Light OFF Operation OFF