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Viessmann Vitocal 242-S Installation And Service Instructions Manual page 41

Compact heat pumps, split version for heating and cooling operation
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Connecting refrigerant lines
Type AWT-AC
Line
241.A13
Liquid line 7 10 mm
Hot gas line 7 16 mm
Connecting the secondary circuit
Opening the casing door
(cont.)
1.
Installation sequence
Connection
Torque in Nm
to internal
unit
⅝ UNF
⅞ UNF
33–42
63–77
41
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