Air Source Heat Pump Water Heater
5.2 Electrical Wiring and Connection
(1) Refer to the principle diagram of the unit.
(2) If the unit is equipped with earth wire, please connect one end of earth
wire to earthing screw of water tank, and the other end to the earthing
screw of the wiring box for the right side plate of main unit.
(3) Please select the proper power cord according to the power configuration
table and then connect it to the main power.
(4) Fix the heavy-current wire with wire-fixing clamp and reinstall the wiring
box cover.
(5) An all-pole disconnection device which has at least 3mm clearances in all
poles , and have a leakage current that may exceed 10mA, the residual
current device (RCD) having a rated residual operating current not
exceeding 30mA, and disconnection must be incorporated in the fixed
wiring in accordance with the wiring rules.
NOTICE!
This drawing is just for reference. Please see the wiring diagram attached to
the unit for exact details. A power cable rated for 220-240V power supply and
equipped with a leakage circuit breaker is supplied with the unit. It is not allowed to
be installed in the bathroom, kitchen, balcony and other damp places.
6 Debugging for the complete unit
After installing waterway system and electrical wiring, conduct inspection to the
unit according to the following table.
Table 6-1 Unit installation checklist
Check items
Situations might occur due to improper
installation
Is installation firm?
The unit might fall off, vibrate or give out
noise.
Any obstacles in air outlet and inlet
of water heater?
Abnormal operation.
Is insulated pipeline of certain
length ensured in water tank piping?
Safety danger might occur.
Is thermal insulation measure in all
waterway pipes done?
Affect unit performance, pipeline might
be frozen.
Is power voltage consistent with
product nameplate?
Malfunction might occur, or component is
burned.
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