Daikin FCQG50FVEB - 2. Heat Pump

SiBE121135
v Table of Contents
8. Check ..................................................................................................325
8.1 Thermistor Resistance Check ..............................................................325
8.2 Fan Motor Connector Check ................................................................326
8.3 Hall IC Check .......................................................................................327
8.4 Indoor Electronic Expansion Valve Coil Check ....................................327
8.5 Power Supply Waveform Check...........................................................328
8.6 Outdoor Electronic Expansion Valve Check.........................................329
8.7 Four Way Valve Performance Check ...................................................330
8.8 Inverter Unit Refrigerant System Check...............................................330
8.9 “Inverter Checker” Check .....................................................................331
8.10 Rotation Pulse Check on the Outdoor Unit PCB ..................................332
8.11 Installation Condition Check.................................................................333
8.12 Discharge Pressure Check...................................................................333
8.13 Outdoor Fan System Check.................................................................334
8.14 Capacitor Voltage Check......................................................................334
8.15 Power Module Check ...........................................................................335
Part 7 Removal Procedure ........................................................ 336
1. Outdoor Unit: 40-75 Class...................................................................337
1.1 Removal of Outer Panels .....................................................................337
1.2 Removal of Electrical Box ....................................................................341
1.3 Removal of PCBs.................................................................................349
1.4 Removal of Outdoor Fan / Fan Motor...................................................354
1.5 Removal of Sound Blankets .................................................................356
1.6 Removal of Coils / Thermistors ............................................................360
1.7 Removal of Distributor..........................................................................363
1.8 Removal of Four Way Valve.................................................................364
1.9 Removal of Compressor.......................................................................365
2. Outdoor Unit: 80/90 Class...................................................................367
2.1 Removal of Outer Panels .....................................................................367
2.2 Removal of Electrical Box ....................................................................382
2.3 Removal of PCBs .................................................................................388
2.4 Removal of Fan Motor..........................................................................392
2.5 Removal of Coils / Thermistors ............................................................393
2.6 Removal of Sound Blankets .................................................................399
2.7 Removal of Compressor.......................................................................402
Part 8 Trial Operation and Field Settings................................. 403
1. Pump Down Operation........................................................................404
2. Forced Operation ................................................................................405
3. Wiring Error Check Function ...............................................................406
4. Trial Operation ....................................................................................408
4.1 RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS,
FDXS Series.........................................................................................408
4.2 SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series .....................410
5. Field Settings ......................................................................................412
5.1 Outdoor Unit .........................................................................................412
5.2 RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS,
FDXS Series.........................................................................................415
5.3 SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series .....................419