Table Of Contents - Gree GRS-CQ6.0Pd/Na-K Service Manual

GREE COMMERCIAL AIR CONDITIONERS
PRODUCT .............................................................................................................................................. 1
1 MODELS LIST ................................................................................................................................. 1
1.1 Main Unit .................................................................................................................................. 1
1.2 Water Tank ............................................................................................................................... 2
2 NOMENCLATURE .......................................................................................................................... 2
2.1 Main Unit .................................................................................................................................. 2
2.2 Water Tank ............................................................................................................................... 3
3 FUNCTION....................................................................................................................................... 3
3.1 Cooling ..................................................................................................................................... 3
3.2 Heating ..................................................................................................................................... 3
3.3 Water Heating.......................................................................................................................... 3
3.4 Cooling +Water Heating......................................................................................................... 3
3.5 Heating+ Water Heating......................................................................................................... 4
3.6 Emergency Mode.................................................................................................................... 4
3.7 Quick Water Heating .............................................................................................................. 4
3.8 Holiday Mode........................................................................................................................... 4
3.9 Forced Operation Mode ......................................................................................................... 4
3.10 Silent Mode............................................................................................................................ 4
3.11 Disinfection Mode ................................................................................................................. 4
3.12 Weather-dependent Heating Mode.................................................................................... 4
4 PRODUCT DATA ............................................................................................................................. 5
4.1 Product Data at Rated Condition.......................................................................................... 5
4.2 Operation Range..................................................................................................................... 9
4.3 Electrical Data ....................................................................................................................... 10
5 PIPING DIAGRAM ........................................................................................................................ 11
UNITS CONTROL ............................................................................................................................... 12
1 OPERATION FLOWCHART.......................................................................................................... 12
2 MAIN LOGIC ................................................................................................................................. 12
2.1 Defrosting Mode.................................................................................................................... 12
2.2 Water-side Auto Anti-freezing in Winter ............................................................................. 13
2.3 Control of Heating Tape on Chassis................................................................................... 13
2.4 Control of Fan........................................................................................................................ 13
2.5 Control of Compressor ......................................................................................................... 13
2.6 Control of Electric Expansion Valve ................................................................................... 13
3 WIRED CONTROLLER................................................................................................................. 14
3.1 Dimension .............................................................................................................................. 14
3.2 Function.................................................................................................................................. 14
3.3Installation ............................................................................................................................... 62
4 CONTROL WIRING DESIGN ....................................................................................................... 64
INSTALLATION ................................................................................................................................... 65
1 INSTALLATION OF UNITS .......................................................................................................... 65
1.1 Installation Positions............................................................................................................. 65
1.2 Matters Need Attention......................................................................................................... 66
1.3 Dimension Data..................................................................................................................... 66
1.4 Installation Clearance Data ................................................................................................. 75
1.5 Connection of Pipeline ......................................................................................................... 80
2 ELECTRIC WIRING WORK.......................................................................................................... 83
2.1 Wiring Principle ..................................................................................................................... 83
2.2 PCB Outline ........................................................................................................................... 84
2.3 Electric Wiring Design .......................................................................................................... 88
UNITS MAINTENANCE.................................................................................................................... 102
1 ERROR CODE LIST..................................................................................................................... 102
2 FLOW CHART OF TROUBLESHOOTING................................................................................. 108
3 DIAGNOSIS OF DRIVING .......................................................................................................... 112
3.1 Diagnosis Flowchart of Driving of Single-phase Unit .................................................... 113
3.2 Diagnosis Flowchart of Driving of Three-phase Unit ..................................................... 120
METHOD OF TESTING IPM MODULE SHORT CIRCUIT: ........................................................ 121
4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ....................................... 128
5 EXPLODED VIEWS AND PART LIST ........................................................................................ 145
5.1 Outdoor Exploded View and Part List .............................................................................. 145
5.2 Indoor Exploded View and Part List ................................................................................. 153
5.3 Water Tank Exploded View and Part List ........................................................................ 159
CONTENTS
AIR-TO-WATER HEAT PUMP