Haier AB36NACBEA Service Manual page 47

(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is
supplied by and
1
Outdoor
unit
(For 36,42 series(380-400V,3N~,50Hz))
DO NOT CONNECT THE NEUTRAL WIRE
ING WIRES MUST BE WIRED WITH SAME SYMBOLS ON THE TERMINALS OF BOTH
INDOOR AND OUTDOOR UNIT.INCORRECT WIRING CAUSE EQUIPMENT DAMAGE
OR FIRE.
(3) Wiring procedure
1) Remove set 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
near by the terminal block.
3) Route the wires in a proper way and penetrate the wires through the opening for electric
wiring on the side panel.
e. Test run
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.
(1) Before starting test run (for all Heat pump models)
Confirm whether the power source breaker (main switch) of the unit has been turned on for
over 12 hrs to energize the crankcase heater in advance of operation.
(2) 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.
terminals.
2
Circuit breaker
Indoor
Earth leakage
unit
breaker
TB1
R
S
T
N
TB2 HIGH VOLTAGE TB
1 1
2 2
3 3
2
Interconnecting
wires
WARNING
INSTALLATION INSTRUCTIONS
TO , OR PHASE. INTERCONNECT-
N R S T
CAUTION