Qlima SC 54 Série Manuel D'utilisation page 122

Fig. 4.6
3. Hold the points marked "1"using an open-ended spanner and turn the nuts only at the points
marked "2" using an open-ended spanner (Select the appropriate spanner according to
the dimensions of the connector). See Fig.4.7 & 4.8
Fig. 4.7
Fig. 4.8
4. Ensure that the screw connectors do not skew as you tighten them and work quickly.
IMPORTANT: Since the coupling works with tapping rings, it may leak if you undo and reconnect the pipes
This will also void the warranty.
5. After finishing the connection, use the tape to wrap the refrigerant pipe and connecting cable
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