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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.
YES
YES
YES
NO to normal mode
10s
Flow SW ON?
Pump ON
Pump OFF
>10 mins
Water In > 80°C for 10s
12.4 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.
12.5 Indication
Panel
LED Operation
Color Green
Light ON
Operation ON
Light OFF
Operation OFF
Note:
If Operation LED is blinking, there is an abnormality operation occurs.