Gree HLR35SM/NaA-M, Service Manual

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GREE COMMERCIAL AIR CONDITIONERS MODULAR MINI CHILLER
2
CONTENTS
PRODUCT INTRODUCTION
.......................................................................................................................4
1 MODELS LIST .........................................................................................................................................4
1.1 Integral Type
....................................................................................................................................4
2 NOMENCLATURE ..................................................................................................................................4
2.1 Integral Type
....................................................................................................................................4
3 FUNCTION...............................................................................................................................................4
4 PRODUCT DATA .....................................................................................................................................5
4.1 Product Data at Rated Condition
..................................................................................................5
4.2 Operation Range
.............................................................................................................................6
4.3 Electrical Data
.................................................................................................................................6
5 PIPING DIAGRAM ..................................................................................................................................6
UNITS CONTROL
.........................................................................................................................................8
1 OPERATION FLOWCHART....................................................................................................................8
1.1 Cooling Operation
...........................................................................................................................8
1.2 Heating Operation
...........................................................................................................................9
2 MAIN LOGIC .........................................................................................................................................10
2.1 Cooling Mode
................................................................................................................................10
2.2 Heating Mode
................................................................................................................................10
2.3 Anti-freezing Running
...................................................................................................................11
2.4 Control of Compressor
.................................................................................................................11
2.5 Control of Four-way Valve
...........................................................................................................11
2.6 Control of Water Pump
.................................................................................................................11
3 WIRED REMOTE CONTROLLER........................................................................................................12
3.1 Function
..........................................................................................................................................12
3.2 Operation View
..............................................................................................................................12
3.3 Display View
..................................................................................................................................13
3.4 Wired Controller Operation Instructions
....................................................................................13
3.5 Controller Menu Structure
............................................................................................................26
4. SKETCH MAP OF DIP SWITCH ..........................................................................................................27
UNITS INSTALLATION
..............................................................................................................................29
1 UNITS INSTALL ....................................................................................................................................29
1.1 Installation Positions
.....................................................................................................................29
1.2 Matters need Attention
.................................................................................................................29
1.3 Dimension Data
.............................................................................................................................29
1.4 Installation Clearance Data
.........................................................................................................30
2 WATER PIPING WORK .........................................................................................................................31
2.1 Installation Procedure
...................................................................................................................31
2.2 Matters of Attention
.......................................................................................................................31
2.3 Antifreeze
.......................................................................................................................................31
3 ELECTRIC WIRING WORK..................................................................................................................31
3.1 Wiring Principle
.............................................................................................................................31
3.2 Electrical Wires are Connected with Consumers
.....................................................................32
3.3 Specification of Power Cord & Air Switch
..................................................................................32
3.4 Wiring Diagram
..............................................................................................................................33
UNITS MAINTENANCE
..............................................................................................................................35
1 TROUBLE TABLE .................................................................................................................................35
2 FLOW CHART OF TROUBLESHOOTING...........................................................................................37
3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS .................................................41
3.1 Integral Type
..................................................................................................................................41
4 EXPLODED VIEW AND PARTS LIST ..................................................................................................43
4.1 Exploded View and Parts List- Integral Type
............................................................................43