Gree LSQWRF35VM/NaA-M Service Manual page 4

4.1 Commissioning .....................................................................................63
4.1.1 Flowchart of commissioning ..........................................................63
4.1.2 Safety precautions for commissioning ...........................................63
4.1.3 Preparation before commissioning ................................................63
4.1.4 Check before commissioning ........................................................63
4.1.5 Check for initial run .......................................................................64
4.2 Troubleshooting ....................................................................................66
4.2.1 Diagnostics ...................................................................................66
4.2.2 Flow chart of troubleshooting ........................................................68
4.3 Power distribution .................................................................................74
4.3.1 Power distribution logic .................................................................74
4.3.2 Introduction to main electric elements ...........................................74
4.3.3 Main board ....................................................................................75
4.4 Replacement of main parts ...................................................................77
4.4.1 Brief introduction ...........................................................................77
4.4.2 Replacement instructions ..............................................................78
4.5 Routine maintenance ............................................................................99
4.5.1 Repairs to refrigerant leakage .......................................................99
4.5.2 Air removal ..................................................................................100
4.6 Exploded views and part lists ..............................................................101
4.7 Maintenance .......................................................................................113
4.7.1 Requirements for maintenance ...................................................113
4.7.2 Freeze protection in winter ..........................................................115