GM-820A-Dual A/C SYSTEM MAINTENANCE CENTRE-DUAL
4
CONTENTS
1. Introduction...........................................................................................................................................5
1) Outline..................................................................................................................................................5
2) Features...............................................................................................................................................5
3) Specifications.......................................................................................................................................5
2. Functions..............................................................................................................................................6
1) Primary functions .................................................................................................................................6
2) Subsidiary functions.............................................................................................................................6
3. Operation..............................................................................................................................................7
1) Parts descriptions.................................................................................................................................7
2) First use................................................................................................................................................8
3) Preparations before Run Flushing function.........................................................................................9
4) Power On .............................................................................................................................................9
5) Flushing-Recovery............................................................................................................................. 11
6) Recovery/Recycling ...........................................................................................................................12
7) Vacuum ..............................................................................................................................................12
8) New oil adding....................................................................................................................................12
9) Recharging.........................................................................................................................................13
10) Auto. Mode.......................................................................................................................................14
11) Database..........................................................................................................................................14
12) Equipment Maintenance..................................................................................................................14
12-1) Exchange dry filter........................................................................................................................15
12-2) Clean pipe of the unit....................................................................................................................15
12-3) Calibration of load cell (operate by professionals).......................................................................15
12-4) Drain used oil................................................................................................................................15
12-5) Empty internal refrigerant .............................................................................................................15
12-6) Vacuum System Pipeline..............................................................................................................16
12-7) Change vacuum pump oil.............................................................................................................16
12-8) Discharge non-condensable gases..............................................................................................17
13) Supply tank.......................................................................................................................................17
14) System function................................................................................................................................18
14-1) Language......................................................................................................................................18
14-2) Units..............................................................................................................................................19
15) Equipment info.................................................................................................................................19
15-1) System inquiry ..............................................................................................................................19
15-2) Servicer info..................................................................................................................................19
15-3) Equipment info..............................................................................................................................19
16) Help..................................................................................................................................................20
