Viessmann AWT-AC 221.A04, Installation And Service Instructions Manual

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32
Type AWT-AC Line Connection
to internal
unit Torque in Nm
221.A13 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
221.B10 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
221.B13 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
Connecting the secondary circuit
Opening the casing door
1.
Installation sequence
Connecting refrigerant lines
(cont.)
5782 201 GB