Revision 10 Nov 2020 Page 10 of 32
Maximum Length of piping
Maximum pipe Length, Pipe sizes, Maximum head
Addition of refrigerant per pipe length
Pipe length more than 5 meters requires the addition of refrigerant.
Connecting the Refrigerant piping
The indoor unit contains an inert gas. Use caution when loosening the flared fittings
to vent the gas.
Cut the piping to length. Take care that no foreign matter enters the piping. Slide the flare
nuts onto the piping. Flare the piping using a flaring tool for refrigerant piping.
Inspect the flares checking that they are even and do not have any cracks or burrs.
Flaring Torque specifications
Apply refrigerant
oil or sealant
Refrigerant to be added if pipe length is greater than 5 meters
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