Light Commercial R410A on-off DM17-01.01.08en
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9.2.3 Insulation material selection for drainage pipe
The insulation material should be flame retardant material, the flame retardancy of the material should
be selected according to the local law.
Thickness of insulation layer is usually above 10mm.
Use specific glue to paste the seam of insulation material, and then bind with adhesive tape. The width
of tape shall not be less than 5cm. Make sure it is firm and avoid dew.
9.2.4 Installation and highlights of insulation construction
The single pipe should be insulated before connecting to another pipe, the joint part should be insulated
after the drainage test.
There should be no insulation gap between the insulation material.
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