Air Source Heat Pump Water Heater
27
8.2 Operation Performance
(1) Defrost
1) When frosting occurs, the unit will automatically perform defrosting to
improve the heating efficiency.
2) During defrosting, the motor of the supply fan will stop.
3) Under high temperature(>10°C), if defrosting occur and the unit is
abnormal, please submit for reparation.
(2) Startup again after long-term shut down
When the unit which has not been used for a long period is started (including
the first startup), dirty water will flow out from tap faucet, it is a normal phenomenon
and will disappear a while later.
(3) Power failure
1) When power failure occurs during operation, the unit will stop.
2) The displayer has memory function.
3) Please switch off the power switch when the unit malfunctions occur
because of the thunder and automobile radio. Then turn on the unit
again.
(4) Memory function
Before the unit is power off, the displayer will automatically memorize ON/OFF
status of the unit; when it is re-energized, wired controller will send ON/OFF signal
to the unit according to the status memorized before power off, to ensure it keeps
the original status set by the user.
9 Operation Notices in Winter
(1) Before starting the unit which has not been used for a long period or in
quite low temperature in winter, energize it at least 8h ahead.
(2) Do not disconnect the power supply when the outdoor temperature is
quite low in winter, otherwise the automatic antifreeze protection will fail to
work. Under low ambient temperature, anti-freezing operation function of
the unit will conduct heating for anti-freezing before water temperature of
the water tank come near to freezing point, and it stops if water
temperature of the water tank rises to safe temperature. But the auto
anti-freezing operation function of the water tank is invalid for water
inlet/outlet pipe of the water tank. If ambient temperature of unit
Summary of Contents for GRS-1.5/TD150ANbA-K
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