DC INVERTER MULTI VRF INSTALLATION
171
8.5 Requirements of Heat Insulation
¾ Heat Insulation Materials
The thermal insulation material of obturator foam shall be used. Fireproof level: B1.
The thermal conductivity shall not be higher than 0.035w/ (m·k) when the average
temperature is 0
℃.
¾ Thickness of thermal insulation layer
The thickness of thermal insulation layer on condensate pipe shall be over 10mm.
¾ The joint of thermal insulation materials must be adhered by using special glue and then
wrapped with plastic tape having a width not less than 5cm to avoid condensing.
¾ Thermal insulation is not required for the outdoor section of condensate pipe.
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