Air Source Heat Pump Water Heater
32
WARNING!
Do not repair the unit by yourself, otherwise it would lead to electric shocks or
fire hazards. Instead, please contact the GREE appointed service center and it is
better to check the items listed in the table below at first.
Table 12-1
Malfunction phenomena
Troubleshooting
The unit won’t operate
immediately once immediate
re-startup of the unit after stop.
In order to protect the unit, the control of the
unit will delay the turn-on command for five
minutes.
There is water flowing sound
during operation of the unit.
During operation of unit, there will be swoosh or
fizzle, which is flowing sound of refrigerant and
is normal.
There is condensate drained
from main unit.
It is normal. Do not worry about it. Please refer
to Figure 4-4, connect to suitable discharge
location with discharge pipe.
There is water drained from
safety valve.
During heating, if pressure of inner tank of the
water tank is too high, it will discharge little
water to release pressure through safety valve,
which is a normal phenomenon. However, if
water of big outflow occur in safety valve
obviously, even result in vibration of pipeline
and give out abnormal noise, please contact
with our authorized maintenance center for
inspection.
The controller tells that the unit
is under antifreeze protection.
The unit will automatically activate the
antifreeze function in winter, which is normal.
The nozzle provides water flow
for quite a short period.
It is because the nozzle is oversized. Please
replace it. The nozzle with the flow rate of
6~7L/min is preferred.
Wired controller displays L6 and
water temperature alternately.
Ambient temperature is too bad, which exceeds
operation range of main unit.
Summary of Contents for GRS-1.5/TD150ANbA-K
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