Electrical Wiring
Control box and connecting position of wiring
- Remove all of the screws at front panel and remove the panel by pulling it forward.
- Connect transmission line between master and slave outdoor unit through
the terminal block.
- Connect transmission lines between outdoor unit and indoor units through
the terminal block.
- When the central control system is connected to the outdoor unit, a dedicat-
ed PCB must be connected between them.
- When connecting transmission line between outdoor unit and indoor units
with shielded wire, connect the shield ground to the earth screw.
WARNING
The temperature sensor for outdoor air should not be exposed to direct sunlight.
- Provide an appropriate cover to intercept direct sunlight.
Front Panel
UX2
UX3
Main PCB
SUB PCB
Reactor
Inverter fan PCB
Noise filter
Bridge diode
Magnet switch
Inverter PCB
Take care of the phase
sequence of 3-phase 4-wire
power system
Take care of the phase
sequence of 3-phase 4-wire
power system
SUB PCB
Main PCB
Reactor
Inverter fan PCB
Noise filter
Bridge diode
Magnet switch
Inverter PCB
n
Heat Recovery
54
Outdoor Unit
Содержание ARUB100LT3
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