13
Electric wiring
Installation Procedure
(1) Before starting test run (for Heat pump models)
6. Test run
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.
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.
WARNING
DO NOT CONNECT THE NEUTRAL WIRE TO , OR PHASE.
INTERCONNECTING WIRES MUST BE WIRED ACCORDING TO FIG.1
FIG.2 FIG.3.FIG.4.INCORRECT WIRING CAUSE EQUIPMENT DAMAGE.
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(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 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 panel.
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