Chapter 5 Control - Mitsubishi Electric PUHY-P200 Service Handbook

Chapter 5 Control
5-1 Dipswitch Functions and Factory Settings ...................................................................................... 85
5-1-1 Outdoor Unit Switch Functions and Factory Settings ........................................................................... 85
5-1-2 Indoor Unit Switch Functions and Factory Settings .............................................................................. 89
5-1-3 Remote Controller Switch Functions and Factory Settings................................................................... 91
5-2 Outdoor Unit Control .......................................................................................................................... 93
5-2-1 Overview ............................................................................................................................................... 93
5-2-2 Rotation Control .................................................................................................................................... 93
5-2-3 Initial Control ......................................................................................................................................... 93
5-2-4 Startup Control...................................................................................................................................... 93
5-2-5 Refrigerant Bypass Control................................................................................................................... 94
5-2-6 Frequency Control ................................................................................................................................ 95
5-2-7 Defrost Operation Control ..................................................................................................................... 96
5-2-8 Continuous heating mode control ......................................................................................................... 97
5-2-9 Refrigerant Recovery Control ............................................................................................................... 98
5-2-10 Outdoor Unit Fan Control...................................................................................................................... 99
5-2-11 Subcool Coil Control (Linear Expansion Valve 1) ................................................................................. 99
5-2-12 Refrigerant Flow Control (Linear Expansion Valves 2a and 2b) ........................................................... 99
5-2-13 Control at Initial Startup ........................................................................................................................ 99
5-2-14 Emergency Operation Mode ............................................................................................................... 102
5-2-15 Operation Mode .................................................................................................................................. 105
5-2-16 Demand Control.................................................................................................................................. 105
5-2-17 Control of IH energization without the compressor in operation (not applicable to the P450 and P500 models) ..105
5-2-18 Compressor heater control (P450 and P500 models)......................................................................... 105
5-3 Operation Flowcharts ....................................................................................................................... 106
5-3-1 Operation Sequence Flowchart .......................................................................................................... 106
5-3-2 Actions Performed in Different Modes ................................................................................................ 108
HWE14040
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