Johnson Controls YVAHP0721CW Series, Руководство по обслуживанию

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SM-16007
- Table of Contents -
4. Maintenance ..........................................................................................................................4-1
4.1 Maintenance of Outdoor Unit ..........................................................................................................4-2
4.1.1 Removing Front Service Cover ..............................................................................................4-2
4.1.2 Attaching Front Service Cover ...............................................................................................4-3
4.1.3 Removing Top Cover and Upper Cover .................................................................................4-4
4.1.4 Removing Protection Net .......................................................................................................4-6
4.1.5 Removing Electrical Box Cover ..............................................................................................4-7
4.1.6 Removing Electrical Box ........................................................................................................4-8
4.1.7 Removing Electrical Box Support and Reinforcement Support..............................................4-9
4.1.8 Removing Transformer Box Cover .........................................................................................4-10
4.1.9 Removing Transformer Box ...................................................................................................4-11
4.1.10 Removing Air Grille ................................................................................................................4-12
4.1.11 Removing Outdoor Fan Motor ................................................................................................4-13
4.1.12 Removing Compressor ..........................................................................................................4-15
4.1.13 Replacing Refrigerant Oil ......................................................................................................4-24
4.1.14 Removing Coils ......................................................................................................................4-28
4.1.15 Removing Stop Valve .............................................................................................................4-34
4.1.16 Removing High Pressure Switch, High Pressure Sensor, Low Pressure Sensor
and Thermistor .......................................................................................................................4-35
4.1.17 Removing Thermistor for Liquid Pipe .....................................................................................4-37
4.1.18 Removing Thermistor for Ambient Temperature ...................................................................4-38
4.1.19 Removing Other Electrical Components ................................................................................4-39
4.1.20 Removing Transformer ...........................................................................................................4-47
4.2 Main Parts .......................................................................................................................................4-48
4.2.1 for Outdoor Unit ......................................................................................................................4-48
4.2.1.1 Inverter ..............................................................................................................................4-48
4.2.1.2 Printed Circuit Board .........................................................................................................4-56
4.2.1.3 Scroll Compressor ............................................................................................................4-58
4.2.1.4 Fan Motor ..........................................................................................................................4-62
4.2.1.5 Thermistor .........................................................................................................................4-63
4.2.1.6 Electronic Expansion Valve ...............................................................................................4-65
4.2.1.7 Pressure Sensor ...............................................................................................................4-68
4.2.1.8 High Pressure Protection Device ......................................................................................4-69
4.2.1.9 Electrical Coil Parts ...........................................................................................................4-70
4.2.1.10 Noise Filter (NF1, NF2) .....................................................................................................4-71
4.2.1.11 Capacitor (CB, CB1, CB2, CB3) .......................................................................................4-74
4.2.1.12 Reactor (DCL, DCL1, DCL2) ............................................................................................4-75