Gree LSQWRF35VM/NaA-M, Service Manual

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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)
Certificate of qualification
(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