Commissioning Flowchart; Safety Notices; Preparation Before Commissioning; Chapter 4 Commissioning Operation - Gree GMV-S120WL/A-S Service Manual

1.Commissioning Flowchart

2.Safety Notices

Warning!
All commissioning and maintenance personnel must lean and strictly comply with construction
security specifications. Security measures must be taken especially for outdoor operations;
Workers of special types of labor, such as refrigerating engineers, electricians, and welders,
must have professional certificates. No worker is allowed to do another type of labor.
The equipment must be powered off before relevant operations, and other security
requirements should be strictly complied with.
All installation and maintenance operations must comply with design requirements of this
product and national and local security operation requirements. Rule-breaking operations are
prohibited.
It is not allowed to force start the compressor with direct power supply.

3.Preparation before Commissioning

3.1 Preparation of Commissioning Tools

GMV5 Home DC Inverter Multi VRF Units
Chapter 4 Commissioning
Operation
Preparation before
commissioning
Checkup of
installation effect
Checkup of unit
Commissioning
Inner hexagon spanner
Adjustable wrench
Phillips screwdriver
Slotted screwdriver
Vacuum pump
Electronic scale
High and low pressure gauge for
Digital display
temperature meter
Noise meter
Clamp meter
Digital multimeter
Electric meter
Time-meter
Standing ladder
194