Gree GMVVQ1015WM/C-X, Service Manual

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Gree GMV6 HR DC Inverter VRF Units Service Manual
14
Chapter 2 Commissioning
WARNING!
Before performing operations (such as commissioning, maintenance, and repair) on the device, you
need to shut down the unit and cut off the power, and use a relevant instrument to ensure that the
voltage at the power input terminal is zero, and the power indicator on the main board is off. Otherwise,
an electric shock or injury may be caused.
NOTE!
The unit features a low-power standby function. When the unit is standby, the power indicators on
the main control board and the drive board are on.
1 Commissioning Process
Preparation before
commissioning
Verification of installation
Unit checking
Commissioning
2 Safety Requirements
WARNING!
Safety measures must be taken for outdoor operations. All involved commissioning personnel and
maintenance personnel must master the building construction safety regulations and strictly follow them.
Special workers like refrigeration workers, electricians, and welders must hold special work licenses
and cannot work on other posts.
When the device is operated, the power of the entire system must be cut off, and the equipment
safety requirements must be strictly followed.
All installation and maintenance operations must comply with the product design requirements and
national and local safety requirements.
It is strictly forbidden to directly connect the compressor to the power.