Mitsubishi PUHY-EP250 - Chapter 5 Control

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HWE12050 GB
Chapter 5 Control
5-1 Dipswitch Functions and Factory Settings ...................................................................................... 77
5-1-1 Outdoor Unit Switch Functions and Factory Settings ........................................................................... 77
5-1-2 Indoor Unit Switch Functions and Factory Settings .............................................................................. 80
5-1-3 Remote Controller Switch Functions and Factory Settings................................................................... 81
5-2 Outdoor Unit Control .......................................................................................................................... 83
5-2-1 Overview............................................................................................................................................... 83
5-2-2 Rotation Control .................................................................................................................................... 83
5-2-3 Initial Control ......................................................................................................................................... 83
5-2-4 Startup Control...................................................................................................................................... 83
5-2-5 Refrigerant Bypass Control................................................................................................................... 84
5-2-6 Frequency Control ................................................................................................................................ 85
5-2-7 Defrost Operation Control ..................................................................................................................... 86
5-2-8 Refrigerant Recovery Control ............................................................................................................... 88
5-2-9 Outdoor Unit Fan Control...................................................................................................................... 89
5-2-10 Subcool Coil Control (Linear Expansion Valve 1) ................................................................................. 89
5-2-11 Refrigerant Flow Control (Linear Expansion Valve 2)........................................................................... 89
5-2-12 Control at Initial Startup ........................................................................................................................ 89
5-2-13 Emergency Operation Mode ................................................................................................................. 92
5-2-14 Operation Mode .................................................................................................................................... 95
5-2-15 Demand Control.................................................................................................................................... 95
5-3 Operation Flowcharts ......................................................................................................................... 96
5-3-1 Operation Sequence Flowchart ............................................................................................................ 96
5-3-2 Actions Performed in Different Modes .................................................................................................. 98