Gree LSQWRF60VM/NhA-M - 4 Test Operation, Troubleshooting and Maintenance; Commissioning; Flowchart of Commissioning; Safety Precautions for Commissioning

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Test Operation, Troubleshooting and Maintenance
4 Test operation, troubleshooting and maintenance
4.1 Commissioning
4.1.1 Flowchart of commissioning
Preparation
Check on installation
Check on the unit
Commissioning
4.1.2 Safety precautions for commissioning
WARNING
• Safety measures should be taken during indoor operation. Any commissioning and service personnel
should grasp and observe safety regulations of construction work.
• Refrigeration mechanic, electricians, welders and other technicians of other special work all should be
licensed.
• Power supply should be cut off before any operation to the unit. Meanwhile, please observe required
safety operation.
• All installation and operation should comply with design requirements of this product and local safety
requirements.
• Never force the compressor to run by electrifying it directly.
4.1.3 Preparation before commissioning
(1) Manual of installation instructions
(2) Certicate of qualication
(3) Electric wiring diagrams
(4) Sheet of saturated temperature and pressure
4.1.4 Check before commissioning
◆
Check the completeness
(1) Is the surface of the unit in good condition?
(2) Is there leak at any pipe connector?
(3) Is any part damaged?
◆
Check installation of the unit
Do the installation location, installation foundation and maintenance space comply with corresponding
requirements?
◆
Check the water system