Test Operation PACD011001C2
60 Test Operation Urban Multi “MX1, ME1 Series” Using R-22
1. Test Operation
1.1 Procedure and Outline
The operation sequence is the most important thing for test operation. Follow the following outline.
1.1.1 Check The Following Before Turning Power On.
1.1.2 Turn Power On.
Note:
Refer to Setting Modes on P67,73
Mistaken power wiring, loose screws
Mistaken control transmission wiring, loose screws
Piping size, presence of thermal insulation
Measurement of main power circuit insulation
Addition or replenishment of refrigerant as needed
Fully open respective stop valves on liquid, gas.
Use a 500V megar-tester.
Be sure to record addition or replenishment.
(VF128)
Turn on outdoor unit power.
Set various selectable modes on outdoor unit PC board.
Turn on indoor unit power.
Be sure to turn the power on 6 hours before
starting operation in order to supply
electricity to the crankcase heater.
For field settings, see setting modes.
(VF129)
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