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Screw loosening retighten
The coppertube shakes against the metal shell
coppertube shaping
6.2.4 P/T
valve
6.2.3 Heat pump unit noise
Don’t dismantle
Don’t press on the handle
Don’t block the outlet
The valve has to be pulled out half a year in case of
blocking. Avoid scalding by the hot water from the outlet.
Drainpipe should be lead to an open area.
Warning:The controller is warning if any of the following exceponal cases happens; Parameter
codes are showas below (Code descripon =A12):
31
32
-
-
-
Mulfunction
Low pressure failure
High pressure failure
Water tank top
sensor failure
Water tank bottom
sensor failure
Coil temp. sensor
failure
Exhaust air sensor
failure
Ambient air sensor
failure
Suction air sensor
failure
Solar water outlet
sensor failure
DC fan motor failure
Compressor
overcurrent protection
Communication failure
Exhausted air temp.
overhigh
Code
A12
A13
A20
A21
A22
A23
A25
A26
A27
A28
A61
A41
A51
Failure
performance
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Stop heatng
Recovery Way
Remark
Automacally recovery for 3
ti
mes,
manually recovery a
ft
er 3
ti
mes
Automatically recovery for 3 times
when exhausted air temperature
reduce, manually recovery after
3 times
Automacally recovery
Automacally recovery
Automacally recovery
Automacally recovery
Automacally recovery
Automacally recovery
Automacally recovery
Automacally recovery
Manually recovery
6.2.5 Common problems
V
.2
Automacally recovery for 3
ti
mes,
manually recovery a
ft
er 3
ti
mes
Automacally recovery for 3
ti
mes,
manually recovery a
ft
er 3
ti
mes
V.2