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25
Fig. 52
ON
OFF
TEST
INDOOR UNIT
Operation Selector
10. Test Run
10-1. Preparing for Test Run
Before starting the air conditioner, check the follow-
ing:
(1) Remove all loose matter from the cabinet especially
metal filings, bits of wire, and clips.
(2) Connect the control wiring correctly and tighten all elec-
trical connections.
(3) For “CL” models only:
Connect the power to the unit for at least 5 hours
before starting the compressor. The bottom of the com-
pressor should be warm to the touch and the crankcase
heater around the feet of the compressor should be hot
to the touch.
(4) Open both the wide and narrow tube service valves
after an air purge.
(5) Remove the transportation cardboard protection for the
indoor fan.
10-2. Performing Test Run
(1) Locate the Operation Selector (on right side) by open-
ing the air discharge grille on the indoor unit. (Fig. 52)
(2) Set the Operation Selector to the “Test” position. The
air conditioner will start running.
(3) Let the unit run for about 30 minutes and check that
the unit operates normally.
(4) After the Test Run, be sure to reset the Operation
Selector to the “ON” position for normal operation.
The air conditioner continues to run.
(5) Referring to the Operatiing Instructions, select the
Cooling mode and press the ON / OFF operation but-
ton on the remote control unit, to confirm remote con-
trol unit operation.
Set the Operation Selector to the “ON” position.
Otherwise the unit will stop or will not run correctly.
IMPORTANT
CAUTION
Be careful since the fan will
start when performing Test Run.