Gree GMV-100WL/A-T, Service Manual

Page: 2 / 173

CONTENTS
PRODUCT ........................................................................................................................................ 1
1 PRODUCT LIST ......................................................................................................................................... 1
2 NOMENCLATURE ...................................................................................................................................... 3
2.1 Nomenclature of outdoor units
................................................................................................................... 3
3 PRODUCT FEATURES .............................................................................................................................. 3
3.1 General introduction ...................................................................................................................................... 3
3.2 Features
............................................................................................................................................................. 3
4 SPECIFICATIONS ...................................................................................................................................... 4
4.1 Specifications .................................................................................................................................................. 4
4.2 Operation range
.............................................................................................................................................. 8
5 PRODUCT CAPACITY CORRECTION ...................................................................................................... 8
5.1Correction factor of indoor and outdoor temperature ........................................................................... 8
5.2 Correction factor of pipe length and height difference ......................................................................... 9
6 PRINCIPAL OF OPERATION ................................................................................................................... 10
CONTROL ...................................................................................................................................... 15
1 UNITS’ CONTROL ................................................................................................................................... 15
1.1 Schematic diagram of units’ control ........................................................................................................ 15
1.2 Interpretation on the schematic diagram
................................................................................................ 15
2 REMOTE MONITORING SYSTEM ......................................................................................................... 15
2.1 General introduction .................................................................................................................................... 15
3 MONITORING SOFTWARE .................................................................................................................... 16
3.1 Function introduction
.................................................................................................................................. 16
3.2 Connection of computer and units
........................................................................................................... 16
3.3 Parts introduction ......................................................................................................................................... 17
INSTALLATION .............................................................................................................................. 61
1 ENGINEERING INSTALLATION PREPARATION AND NOTICE ........................................................... 61
1.1 Installation notice
......................................................................................................................................... 61
1.2 Installation key points and importance ................................................................................................... 61
2 INSTALLATION MATERIALS SELECTION............................................................................................. 62
2.1 Refrigerant piping
......................................................................................................................................... 62
2.2 Condensate water pipe
................................................................................................................................ 63
2.3 Insulation material ........................................................................................................................................ 63
2.4 Communication cable and control cable
................................................................................................ 63
2.5 Power cable
.................................................................................................................................................... 64
2.6 Hanger rod and support .............................................................................................................................. 64
3 INSTALLATION OF OUTDOOR UNIT ..................................................................................................... 64
3.1 Check before installation
............................................................................................................................ 64
3.2 Selection of installation site ....................................................................................................................... 64
3.3 Carrying and installing outdoor unit
........................................................................................................ 64
3.4 Installation notices
....................................................................................................................................... 65
3.5 Fixing and damping of unit ........................................................................................................................ 65
3.6 Outline dimension and position of installation hole ............................................................................ 65
3.7 Installation space requirement
.................................................................................................................. 67
DEBUGGING &MAINTENANCE .................................................................................................... 68
1 DEBUGGING OF UNIT ............................................................................................................................ 69
1.1 Preparation for debugging ......................................................................................................................... 69
1.2 Debugging of unit
......................................................................................................................................... 70
1.3 Parameters reference value for the normal operation of unit
........................................................... 73
2 MALFUNCTION LIST ............................................................................................................................... 77
2.1 Malfunction list for the wired controller
.................................................................................................. 77
2.2 Status display table for indicators on main board of outdoor unit
.................................................. 78
3 TROUBLESHOOTING ............................................................................................................................. 88
4 POWER DISTRIBUTION OF UNIT .......................................................................................................... 98
4.1 Power distribution of unit
........................................................................................................................... 98
4.2 Main electric parts
........................................................................................................................................ 98
4.3 Circuit diagram .............................................................................................................................................. 99