Chapter 6 Test Run - Mitsubishi Electric PUHY-M200YNW-A1 Service Handbook

Chapter 6 Test Run
6-1 Read before Test Run........................................................................................................................... 1
6-2 Operation Characteristics and Refrigerant Charge ........................................................................... 2
6-3 Evaluating and Adjusting Refrigerant Charge ................................................................................... 2
6-3-1 Refrigerant Overcharge and undercharge .............................................................................................. 2
6-3-2 Checking the Refrigerant Charge during Operation................................................................................ 2
6-3-3 Maximum refrigerant charge ................................................................................................................... 3
6-3-4 Refrigerant Charge Adjustment Mode .................................................................................................... 4
6-3-5 Calculation of the Amount of Additional Refrigerant ............................................................................... 6
6-4 The Following Symptoms Are Normal ................................................................................................ 8
6-5 Hydro Unit Replacement Instructions................................................................................................. 9
6-5-1 Debris removal operation........................................................................................................................ 9
6-5-2 The air vent operation ........................................................................................................................... 10
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