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Insulating Copper Refrigerant Pipework in VRVs and VRFs (GPG144)
This bulletin is intended to provide awareness to RACHP technicians that proper insulation of refrigerant pipework is
crucial in refrigeration and air conditioning systems to maintain efficiency, prevent energy losses, and avoid system
failures due to corrosion or thermal inefficiencies.
In GPG 82 Insulation installation guidelines for refrigeration and air-conditioning pipework, we talk about the
importance of the correct installation of insulation. In GPG 125 we talk about what pipework should and should not be insulated in DX Refrigeration.
Both GPG 82 & 125 are available FOC from the IOR and should be read in conjunction with GPG 144.
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Technical information on refrigeration, air conditioning and heat pumps: