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5. MAINTENANCE AND WINTERZING
5.1. Maintenance
WARNING: Before undertaking maintenance work on the unit, ensure that you have
disconnected the electrical power supply.
1. Cleaning
a. The heat pump’s casing must be cleaned with a damp cloth. The use of detergents or other
household products could damage the surface of the casing and affect its properties.
b. The evaporator at the rear of the heat pump must be carefully cleaned with a vacuum cleaner
and soft brush attachment.
2. Annual maintenance
The following operations must be undertaken by a qualified person at least once a year.
a. Carry out safety checks.
b. Check the integrity of the electrical wiring.
c. Check the grounding connections.
d. Monitor the state of the pressure gauge and the presence of refrigerant.
5.2. Winterizing
In preparation for the winter season:
a. Cut off the power supply.
b. Drain water from the unit.
c. Drainage of chassis condensate.
d. Cover the machine body when not in use.
“CUT OFF” power supply of the heater
before cleaning, examination and repairing
!! Important:
Unscrew the water nozzle of inlet pipe to let the
water flow out. If the water freezes during the
winter season, the titanium heat exchanger may get
damaged.
!! Important:
When the unit runs at an ambient temperature of
less than 5℃, please remove the rubber plug of
the drain hole of the chassis for drainage.
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