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CONNECTIONS – ELECTRICAL
The power supply to the water heater must not be switched on until the
water heater is filled with water and a satisfactory megger reading is obtained.
Megger Reading
When a megger test is conducted on this water heater, then the following should
be noted.
Warning: This water heater contains electronic equipment and 500 V
insulation tests must only be conducted between actives and earth and between
neutral and earth. An active to neutral test WILL damage the electronics.
An insulation test result of above 1 MΩ should be obtained for this water
heater.
Electrical Connection
All electrical work and permanent wiring must be carried out by a qualified person
and in accordance with the Wiring Rules AS/NZS 3000 and local authority
requirements.
Heat Pump
The heat pump water heater must be directly
connected to a 400 V AC 50 Hz mains power
supply. The heat pump must be on its own circuit
with
an
isolating
switch
installed
at
the
switchboard. A secondary isolating switch must be
installed within reach of the water heater.
Connect the power supply and earth wires directly
to the terminal block, ensuring there are no excess
wire loops inside the electrical enclosure. Correct
phase connection is required.
IP Rating
The heat pump has an ingress protection rating of IP24.
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