Air Source Heat Pump Water Heater
33
15 Notes on Winter Use
(1)temperatures in Winter are low. If the unit is not used for a long time, before
starting the unit, connect it with electricity for at least 8 hours.
(2)Outdoor temperatures in Winter are relatively low, do not disconnect the unit
from electricity if it needs to be shut down for a short time. Otherwise, the automatic
freeze-proof protection function will fail.
At low ambient temperatures, the automatic
freeze-proof protection function enables the unit to heat the water before water
temperature approaches the freezing point. When the water temperature rises to a
safe temperature, the function is disabled.
However, this function does not apply to
the water inlet and outlet pipes of the water tank. If the ambient temperature is below
0°C, freeze-proof bands must be installed. In addition, ensure that they are
energized. If the water tank is inevitably installed outdoors, reduce the outdoor part
of pipes including the refrigerant connecting pip and water inlet and outlet pips of
the water tank. Otherwise, the heat loss is large, power consumption increases, and
the water system is vulnerable to freezing.
In addition, pay attention to thermal
insulation of special positions such as valve joints and pipe bends. Otherwise, these
positions are vulnerable to freezing.
(3)If the unit is not used for a long time, drain the water in the water tank and the
pipes by following drain operations. Otherwise, the water system may be frozen and
damaged.
Use the unit after the water is drained and then the water tank is full
filled with water.
Tips:
If it is inconvenient or dangerous to perform the preceding operations,
directly contact your local dealer or authorized service center of
C&H
, and
C&H
will
dispatch professional personnel to provide inspection, drainage, water
replenishment, commissioning, cleaning, and maintenance services.
