Installation Procedure
17
Electrical Wiring
WARNING:
INTERCONNECTING WIRES MUST BE WIRED ACCORDING TO FIGURE BELOW. INCORRECT WIRING MAY CAUSE
EQUIPMENT DAMAGE.
AW-YSDM048-H11
SINGLE SPLIT SYSTEM UNITS WIRING DIGRAM
Outdoor unit
terminal block
Indoor unit
terminal block
Power supply:1PH,220-230V~, 50Hz
Y/G
1
2 3
Y/G
1
2 3
L
N
Installation Procedure
Test Run
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.
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
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.
Run the unit continuously for about 30 minutes, and check the following.
Summary of Contents for AW-YSDM048-H11
Page 18: ...Troubleshooting 18...
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