Table Of Contents - Gree LSQWRF130VM/NhA-M Installation, Start-Up And Maintenance Manual

Inverter modular air-cooled chiller
Table of Contents

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Safety notices (Please be sure to abide) ...........................................................1
1 General introduction ......................................................................................6
1.1 Product features .....................................................................................6
1.2 Principle diagrams ..................................................................................7
2 Operation range ...........................................................................................10
3 Outline dimensions ......................................................................................10
4 Installation instructions .................................................................................12
4.1 Pre-check ..............................................................................................12
4.2 Acceptance check .................................................................................12
4.3 Handling and lifting ...............................................................................12
4.4 Installation foundation and service space .............................................13
4.5 Vibration reduction ................................................................................16
4.7 Installation of the water system .............................................................17
5 Introduction to the display panel ..................................................................19
6 Electric wiring ...............................................................................................19
6.1 External wiring of the electric control cabinet ........................................19
6.2 Specification of power supply................................................................24
6.3 Wiring of the electric control cabinet .....................................................24
6.4 Filed wiring............................................................................................26
6.5 Networking and wiring between units ....................................................28
6.6 Setup of DIP switches on the motherboard ...........................................30
6.7 Jumpers ................................................................................................31
7 Commissioning and maintenance ................................................................31
7.1 Check before startup .............................................................................31
7.2 Requirements on water quality and cleaning ........................................31
7.3 Trial run .................................................................................................33
7.4 Routine startup/shutdown .....................................................................33
7.5 Maintenance to the main parts ..............................................................34
7.6 Maintenance during long-term downtime ..............................................34
7.7 Startup after long-term shutdown ..........................................................34
7.8 Parts replacement .................................................................................34
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Lsqwrf35vm/nha-mLsqwrf60vm/nha-mA series

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