General
Only use refrigerant pipes that are seamless, degreased,
deoxidized and suitable for a pressure of at least 42
bar. The pipes must be supplied with at least 8 mm
vapour-proof insulation.
Pipe length
1.5 mThe refrigerant pipes' minimum length
7.5 mThe refrigerant pipes' total length with
standard filling
15 mThe refrigerant pipes' total length with
additional filling
1
1
Additional filling of refrigerant can be done when the unit
runs in cooling operation:
For pipes 1/4" - 3/8" = 15g/m
For pipes 1/4" - 1/2" = 20 g/m
For information about pipe dimensions, see section
"Technical Specifications" on page 18.
Condensation drain
Any condensation removal line must have an internal
diameter of at least 16 mm and be of sufficient length
to transport the condensation to an external drain.
Connecting the cooling circuit
■
Use the flare method to connect the pipes.
■
Lubricate the contact surfaces and hand tighten, the
tighten the connections using a torque wrench to
obtain a good and secure connection.
■
Check carefully that there is no risk of any leakage
prior to the function test.
Caution
For further information, see the installation
manual for the outdoor unit.
5Chapter 3 | Pipe connectionsAG-WT10
3 Pipe connections
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