Air Source Heat Pump Water Heater
31
(10) In order to prevent the hazard due to the invalidation if electric heating of
water tank, the electric heating circuit is equipped with thermostat. If the water
temperature is higher than 95℃, the thermostat will be activated to cut off the electric
heating power. However, if the electric heating is abnormal, it needs to contact Gree
service man to maintain or replace it.
11 Malfunction analysis
Warning
Please do not maintain the air source water heater by yourselves; otherwise, it
may cause electric shock or fire hazard. Please contact with Gree appointed
maintenance center for maintenance. Before asking for the maintenance, please
check below items for saving your time and cost.
Talbe 11-1
The unit can’t operate if turn on the unit
immediately after stopping operation
In order to protect the unit, if turn on the unit
immediately after stopping operation, the
microcomputer will make the unit delay 5
min to operate.
There’s water-flowing sound during
operation process.
During the operation process, there will be
the sound of “HUA－HUA－”, which is
the flowing sound of refrigerant. It’s not the
malfunction.
The condensate water is drained out
from the water heater.
This is the normal phenomenon for the unit,
not the malfunction. Please feel free to
operate it. Please connect the drainage
pipe to the proper drainage outlet by
referring to Installation sketch map.
There’s water drainage from the TP
valve.
During heating process, when the inner port
of water tank operates at ultrahigh
pressure, there will be a little water
drainage from the TP valve for releasing
pressure, which is the normal phenomenon.
If there’s too much water drainage and
there’s vibration, please contact the
appointed maintenance center.
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