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2.9 Electrical Connection
1. Ensure proper operation on the unit to ensure security, the unit must be installed and
repaired by qualified technician.
2. A leakage protection switch must be installed near the unit.
3. Do not use any damaged cable and switch.
4. Do not open the electrical box without shutting off all power to the unit.
All the wiring must meet the local electrical safety norm and performed by qualified
electricians.
Ensure that the heat pump water heater is well connected to the earth, do not disconnect
the earth connection of the power in any condition.
Provide a separate power supply which meets rated requirements for the unit.
When the unit connects to the electricity network, there must be a short-circuit protection.
Choose the suitable cable when use the power outdoor.
Do not control the unit on or off by the main power switch.
Connect the signal (power) from PCB to water circulation pump.
Heat pump
The Specification of Power
Following information is for reference, please subject to the local safety norm.
Type
Power supply
Circuit Breaker/Fuse(A)
Min. power wiring (mm
Water circulation pump
signal (power)
Water circulation pump
A-11
220-240V/1Ph/50Hz
25/25
2
)
3x4
A-13
220-240V/1Ph/50Hz
40/40
3x4
-
-
A-15
220-240V/1Ph/50Hz
60/60
3x6
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