Gree GKH12K3BI, Service Manual

Page: 2 / 209

PRODUCT ..................................................................................................... 2
1 MODELS LIST .......................................................................................................... 2
1.1 Outdoor Unit .................................................................................................................................2
1.2 Indoor Unit.....................................................................................................................................3
2 NOMENCLATURE ..................................................................................................... 6
2.1 Outdoor unit ..................................................................................................................................6
2.2 Indoor unit .....................................................................................................................................6
3 FUNCTION ................................................................................................................ 7
4 PRODUCT DATA ....................................................................................................... 8
4.1 Product Data at Rated Condition .................................................................................................. 8
4.2 Operation Range .........................................................................................................................25
4.3 Electrical Data ............................................................................................................................25
5 PIPING DIAGRAM .................................................................................................. 27
CONTROL.................................................................................................... 29
1 OPERATION FLOWCHART .................................................................................... 29
1.1 Cooling/Dry Operation................................................................................................................. 29
1.2 Heating Operation ....................................................................................................................... 30
2 MAIN LOGIC............................................................................................................ 31
2.1 Cooling ........................................................................................................................................31
2.2 Dry Mode.....................................................................................................................................31
2.3 Heating Mode ..............................................................................................................................32
2.4 Defrosting ....................................................................................................................................32
2.5 Fan Mode ....................................................................................................................................33
3 WIRELESS REMOTE CONTROLLER .................................................................... 33
3.1 Operation View ...........................................................................................................................33
3.2 Display View................................................................................................................................35
4 WIRED REMOTE CONTROLLER ........................................................................... 35
4.1 Operation View............................................................................................................................35
4.2 Display View................................................................................................................................37
4.3 Dimension ..................................................................................................................................38
4.4 Installation ...................................................................................................................................38
5 CENTRALIZED CONTROLLER .............................................................................. 39
5.1 Centralized Controller-not with week timer ................................................................................. 39
5.2 Centralized Controller-week timer ............................................................................................... 40
5.3 Field Setting ................................................................................................................................42
5.4 Control Wiring Design ................................................................................................................. 43
5.5 Display View of the Cassette Type Unit Which With Control Panel ........................................... 44
INSTALLATION ............................................................................................. 48
1 INDOOR UNIT INSTALLATION ................................................................................. 48
1.1 Installation of Duct Type ................................................................................................................ 48
1.2 Installation of Ceiling Type ............................................................................................................ 56
1.3 Installation of Cassette Type ......................................................................................................... 59
2 OUTDOOR UNIT INSTALLATION ............................................................................. 69
2.1 Before Installation ......................................................................................................................... 69
2.2 Installation Site .............................................................................................................................. 69
2.3 Caution for Installation .................................................................................................................. 69
2.4 Dimension Data ............................................................................................................................. 70
2.5 Installation Clearance Data ........................................................................................................... 71
3 REFRIGERATION PIPING WORK ............................................................................ 71
3.1 Refrigeration Piping Work Procedures .......................................................................................... 71
CONTENTS