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9
Overview of the unit
9.7.2
Wiring overview
The illustration below gives an overview of the
required field wiring between several parts of the
installation.
Note:
C
Please use H07RN-F for the power
wire, all the cable are connect to
high voltage except for thermistor
cable and cable for user interface.
•
Equipment must be grounded.
•
All high-voltage external load, if it is metal or a
grounded port, must be grounded.
•
All external load current is needed less than
0.2A, if the single load current is greater than
0.2A, the load must be controlled through AC
contactor.
•
AHS1" "AHS2", "A1" "A2", wiring terminal ports
provide only the switch signal. Please refer
to image of 9.7.6 to get the ports position in
the unit.
Figure 3-4.2.1: Wiring hole for 4/6/8kW models
Figure 3-4.2.2: Wiring hole for 10/12kW models
72 / 276 EN
Figure 3-4.2.3: Wiring hole for 14/16kW models
Code
1
High voltage wire hole
2
Low voltage wire hole
3
Drainage pipe hole
4
Water outlet
5
Water inlet
Field wiring guidelines
•
Most field wiring on the unit is to be made on
the terminal block inside the switch box. To
gain access to the terminal block, remove the
switch box service panel (door 1).
Warning:
Switch off all power including the
A
unit power supply and backup
heater and domestic hot water tank
power supply (if applicable) before
removing the switch box service
panel.
Heat Pump Monobloc Inverter / User Manual
Assembly unit
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