Haier AU182AFBEA - Wiring Connection; Wiring Procedure; Test Run

(1) Selection of size of power supply and interconnecting
Precautions for Electric wiring
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped
terminal lugs with insulated grip on the ends of the wires.
Use copper conductor only.
Select wire sizes and circuit protection from table below. (This table shows 20 m
length wires with less than 2% voltage drop.)
Item
Model
Phase
Switch
breaker
Circuit breaker
Overcurrent
protector
Power
source wire
size
Switch
break
Earth leakage breaker
Leak
curre
30mA
1
40
26 4.0mm
2
40
AU182AFAEA
(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by
terminals.
For the detailed wiring connection with the indoor units, see the corresponding indoor
operation and instruction manual.
OUTDOOR UNIT
TERMINIAL BLOCK
Y/G
1 2 3
WBR
Y/G
FIG.1
To Indoor Unit
Test run
Run the unit continuously for about 30 minutes, and check the following.
Suction pressure at check joint of service valve for gas pipe.
Discharge pressure at check joint on the compressor discharge pipe.
Temperature difference between return air and supply air for indoor unit.
CAUTION
THIS UNIT WILL BE STARTED INSTANTLY WITHOUT "ON" OPERATION
WHEN ELECTRIC POWER IS SUPPLIED.BE SURE TO EXECUTE "OFF"
OPERATION BEFORE ELECTRIC POWER IS DISCONNECTED FOR
SERVICING.
This unit has a function of automatic restart system after recovering power stoppage.
(3) Wiring procedure
1) Remove the screws on the side before taking off the front panel toward the direction shown in figure.
2) Connect wires to the terminal block correctly and fix the wires with a wire clamp equipped nearby the
terminal block.
3) Route the wires in a proper way and penetrate the wires through the opening for electric wiring on the
side plate.
>a__WcU[S^ <[c >a`V[e[a`Wc
-188-