Gree GWC09AA, Installation And Service Manual

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GREE Service Manual GWC09AA / K5NNA6A Page 3
Table of Content - 1
Abbreviations used with this manual……………..................... 005 Other adjustments and functions of the remote controller.. 035
Introduction………………………………………….................... 006 Hydrocarbon refrigerant R290 issues………….................. 038
General Safety Instructions………………………..................... 007 Refrigerant properties / parameters………….................. 038
The symbols used in this manual………………................... 007 Flammability…………………………………...................... 039
Electrical operations……………………………..................... 009 Hazard identification………………………….................... 039
Installation site……………………………………................... 009 First aid measures……………………………................... 040
Minimum room size………………………………................... 010 Fire fighting measures……………………….................... 041
Minimum requirements for service personnel qualifica-
tion………………………………………….................................
011
Accidental release measures…………………................. 041
Basics in RAC…………………………………………............ 011 The handling of HC R290………………………................... 042
Checks for putting in operation…………………………............ 012 Refrigerant recovery………………………….................... 043
Checks for leakage………………………………………............ 012 Repair of leaks………………………………….................. 044
Handling of refrigerant………………………………….............. 012 Refrigerant gas detection…………………….................... 045
Installation, commissioning and maintenance of a compres-
sor………………………………………………...........................
012
Refrigerant cylinder handling………………..................... 046
Installation, commissioning and maintenance of a con-
denser …………………………………………………................
013
Refrigerant pressure– temperature chart…….................... 048
Installation, commissioning and maintenance of an evapora-
tor…………………………………………………........................
013
Flow of work for AC system installation, service, repair
and dismantling…………………......................................... 051
Piping………………………………………………………........... 013 AC system Installation………………………….................... 052
Description of the system and its components………….......... 014 Delivery conditions of indoor & outdoor unit.................... 052
General technical specifications………………………........... 014 Principle installation arrangement…………..................... 053
Indoor unit………………………………………………............ 015 Tools, equipment and accessories……………................ 054
Outdoor unit……………………………………………............ 016 Security advise for installation………………................... 055
Refrigerant transfer pipe-set…………………………............. 017 Table of various installation height and resulting room
size…………………………….......................................... 056
Capacity variation ratio according to temperature
(diagram)………………………………………………….............
018
The installation site > general information…................... 056
Operation data……………………………………………............ 018 Installation site > outdoor unit……………….................... 057
Construction views > indoor unit………………………............. 019 Installation site > indoor unit…………………................... 057
Construction views > outdoor unit………………………........... 020 Installation dimension diagram……………….................. 058
Refrigerant flow diagram……………………………….............. 021 Installation check-list…………………………................... 059
Schematic diagram > Electrical wiring indoor unit……............ 022 Safety measures for electrical equipment……................ 060
Schematic diagram > Electrical wiring outdoor unit…............. 023 Requirements for earthing…………………...................... 060
Printed circuit board (PCB)………………………………........... 024 Miscellaneous…………………………………................... 060
Relay box…………………………………………………............ 026 Installation procedure > indoor unit…………................... 061
Remote controller > functional description……………............ 027 Installation of connection pipes and cables…................. 062
Functional specifications for AC system operation……........... 031 Installation of outdoor unit…………………….................. 065
Cooling mode…………………………………………….......... 031 Interconnection of in– and outdoor unit…….................... 066
Dry mode………………………………………………….......... 032 The quick-coupler valves…………………….................... 067
System protective functions…………………………….......... 033 Commissioning of the AC system………………................. 068
Fan and auto– mode…………………………………….......... 034 Checks before commissioning……………................. 068