Gree GMV-615WM/B-X - Insulation System

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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Indoor unit
Indoor unit
Connector
Connector
3.5 During condensate water pipe installation, ensure a distance above 500 mm between the pipe and
the electric box of the unit for maintenance. In a case when the space is not enough, the final piping way
must be determined by the technical personnel.
III. Insulation System
1. Insulation for the Refrigerant Pipe System
1.1 Insulation Materials
Use closed-cell foam insulation materials with flame retardant grade of B1.
The heat conductivity is not greater than 0.035 w/(m·k) when the average temperature is 0°C.
1.2 Thickness of the Insulation Layer
External Diameter of the Pipe (mm)
≤ 12.7
≥ 15.88
Thickness of the Insulation Layer (mm)
≥ 15
≥ 20
Use sunblock, anti-weathering, and non-cracking insulation materials for outdoor pipes.