Air Source Heat Pump Water Heater
32
Table 11-2
Wired controller displays freeze
prevention
When the unit operate in winter, the freeze
prevention protection will be activated,
which is the normal phenomenon.
Hot water flowing from sprayer head is
too short
The water flowing volume for the sprayer
head is too big, which is the normal
phenomenon. Replace it with the sprayer
head with the rated flow volume of 6～
7L/min.
Wired controlled displays L6 and water
temperature
Ambient temperature is too low, which is
higher than the operation range for the
main unit of the water heater. Or the set
temperature for the unit is too high, which
exceeds the aximum heating temperature
for the heat pump.
During water generation process,
there’s frosting phenomenon for the
unit
If the unit is generating water for a long
time, there will be frosting phenomenon,
which is the normal phenomenon. In order
to improve the heating effect, the unit will
defrost automatically.
During defrosting process, the unit will
blow fan and the motor stops operation.
The fan won’t be started up during
defrosting process, which is the normal
phenomenon.
If turn on the water heater when it
hasn’t been used for a long time, there
will be turbid flowing out of the faucet in
the beginning.
It’s the normal phenomenon. After for a
while, this phenomenon will disappear.
Table 11-3
If there’s below circumstances, please contact Gree appointed
maintenance center.
The water heater stops operation and
the wired controller displays E1
High pressure protection for the system
The water heater stops operation and
the wired controller displays E3
Refrigerant-lacking protection
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