Gree VERSATI SERIES Service Manual Download Page 2

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CONTENTS

PRODUCT ...................................................................................................... 2

1 MODELS LIST ............................................................................................................ 2

1.1 Main Unit ........................................................................................................................................ 2

1.2 Water Tank ..................................................................................................................................... 3

2 NOMENCLATURE....................................................................................................... 3

2.1 Main Unit ........................................................................................................................................ 3

2.2 Water Tank ..................................................................................................................................... 3

3 FUNCTION ................................................................................................................. 4

3.1 Cooling .......................................................................................................................................... 4

3.2 Heating .......................................................................................................................................... 4

3.3 Water Heating ................................................................................................................................ 4

3.4 CWater Heating................................................................................................................ 4

3.5 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 ............................................................................................ 5

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 ......................................................................................... 13

1 OPERATION FLOWCHART...................................................................................... 13
2 MAIN LOGIC ............................................................................................................. 13

2.1 Defrosting Mode .......................................................................................................................... 13

2.2 Water-side Auto Anti-freezing in Winter ................................................................................... 14

2.3 Control of Heating Tape on Chassis.......................................................................................... 14

2.4 Control of Fan.............................................................................................................................. 14

2.5 Control of Compressor ............................................................................................................... 14

2.6 Control of Electric Expansion Valve ........................................................................................ 14

3 WIRED CONTROLLER ............................................................................................. 14

3.1 Dimension .................................................................................................................................... 14

3.2 Function ....................................................................................................................................... 15

3.3 Installation ................................................................................................................................. 60

4 CONTROL WIRING DESIGN .................................................................................... 62

INSTALLATION............................................................................................. 64

1 INSTALLATION OF UNITS ....................................................................................... 64

1.1 Installation Positions .................................................................................................................. 64