Air Source Heat Pump Water Heater
27
8 Notices for the operation in winter
(1) If the temperature is low in winter and the unit hasn't been started up for a
long time, energize the unit for at least 8h before turning on the unit.
(2) If the outdoor temperature is low in winter, do not cut off the power if the unit
stops operation for a short time. Otherwise, the auto freeze prevention protection will
be invalid. Under the low temperature circumstances, the auto prevention protection
will be active when the water temperature inside the water tank is closing to freezing
point, and it will be stopped when the water temperature inside the water tank rises
to the safe temperature. However, the auto freeze protection function for the water
tank is not unavailable for water inlet pipe and water outlet pipe. If the temperature at
the installation position for the unit is lower than 0
℃
, the antifreezing heating belt
must be installed at the pipeline and it should be at the energized status. If the water
tank must be installed at outside, the pipe at the outdoor side should be as short as
possible, including the connection pipe of refrigerant and the water inlet pipe and
water outlet pipe for the water tank; otherwise, the heat will be lost too much; What
’
s
more, too much will be lost and the water system will be frozen. Meanwhile, the
connection position for the valve and bending position for the water pipe must be
insulated well.
(3) If the unit won't be used for a long time, please drain out the water inside the
water tank and pipeline completely. Otherwise, the water system will be frozen. After
water is drained out completely, if operate the unit again, fill up the water tank with
water and then the unit can be turned on. Please refer to the water replenishing and
water drainage for water tank for details.
Warm hint:
If it
’
s not convenient for operation or there
’
s hazard, please contact the local
appointed dealer or appointed service center directly. We will appoint profession
persons to check, debug and clean the unit, and discharge water and fill the water
tank with water for you.
