Daikin R407C PLUS - Test Operation; Procedure and Outline

Test Operation Si33-105
104 Test Operation R407C PLUS Series Heat Recovery System
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.
Refer to Setting Modes on P109
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)