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Outdoor Wiring Installation - Haier AU042FPERA Service Manual

Mrv s" series (4-6hp)
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10. Outdoor Wiring Installation

Communication wiring figure
Indoor 3
P Q
A B C
wired
A B C
controller
The outdoor and all indoor units are in parallel through 2 non-polar wires.
Three wiring methods between wired controller and indoor unit:
A. 1 to multi (group control): one wired controller controls 2~16 indoors, as shown in above figure, indoor 1~indoor
2: indoor 2 is wired control master unit, the others are wired control slave units. Wired controller and the master
indoor (directly connected to wired controller) is connected by 3 polar wires; the other indoors and the master
indoors are connected by 2 polar wires.
B. 1 to 1 (one wired controller controls one indoor): as shown in above figure, indoor 3~ indoor 4, indoor and wired
controller are connected by 3 polar wires.
C. 2 to 1 (two wired controller controls one indoor): as shown in above figure, indoor 6. Either of wired controllers
can be set as master wired controller, and the other is slave wired controller. Master/slave wired controller, and
master/indoor are connected by 3 polar wires.
When indoor is controlled by remote controller, refer to the "wired control master unit/wired control slave unit/
remote control unit table". A, B, C on signal terminal block need not wires and not connect the wired controller.
Power wiring figure
Outdoor
AU04~06IFPERA
Power source: 3N~, 380-400V, 50/60Hz
Indoor 1
(wall mounted unit)
Power source: 1PH, 220-230V~, 50/60Hz
Indoor and outdoor use their individual power source. All indoors use one power source. Must install the leakage
breaker and the over current breaker, or electric shock will occur.
Outdoor
P Q
Indoor 4
P Q A B C
wired
A B C
controller
Outdoor
AU04~062FPERA
Power source: 1PH, 220-230V~, 50/60Hz
Indoor 2
(wall mounted unit)
Power source: 1PH, 220-230V~, 50/60Hz
Indoor 1
P Q A B C
Indoor 5
P Q A B C
A B C
wired
controller
Indoor 3
(non wall mounted unit)
Power source: 1PH, 220-230V~, 50/60Hz
30
Communication wire with polarity
Indoor 2
P Q A B C
wired
A B C
controller
Indoor 6
P Q A B C
A B C
A B C
wired
wired
controller
controller

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