Wolf BWL-1S-07 - Connecting the Refrigerant Line to the Indoor Module

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Connectingtherefrigerantlines
15.3 Connectingtherefrigerantlinetotheindoormodule
Liquid line
Hot gas line
Union nuts
Fig.: Connecting the refrigerant lines to the indoor module
Useofmetricrefrigerantlines
− Remove the nuts from the liquid line and hot gas line connections of the refrigerant lines.
− Slide the supplied nuts over the copper pipes.
− Flare the copper pipes.
− TheEuroangedadaptorconnectionkit,availablefromtheWOLFrangeofaccessories,
canbeusedasanalternativetoaringforthe
Ø10mmandØ16mmlines.
− Do not allow any contaminants (e.g. metal swarf or moisture) to enter the copper pipes.
− Connect the copper pipes.
Useofimperialrefrigerantlines
− Use appropriate union nuts for imperial refrigerant lines.
− Flare the copper pipes.
− Connect the copper pipes.
Tightennutswiththefollowingtorque:
Device Cable Connection to indoor unit Torque in Nm
BWL-1S(B)-05 Liquid line
Ø6mmor1/4inch
5/8 UNF 37 ± 4
Hot gas line
Ø12mmor1/2inch
7/8 UNF 70 ± 7
BWL-1S(B)
-07/10/14/16
Liquid line
Ø10mmor3/8inch
5/8 UNF 37 ± 4
Hot gas line
Ø16mmor5/8inch
7/8 UNF 70 ± 7