Viessmann AWT 221.A04, Инструкции по установке и обслуживанию для подрядчиков

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Type AWT/AWT-AC Line Connection to the
indoor unit Torque in Nm
221.A07 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
221.A10 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
221.A13 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
221.B10 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
221.B13 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
221.B16 Liquid line
7
10 mm
⅝
UNF 33 to 42
Hot gas line
7
16 mm
⅞
UNF 63 to 77
Connecting the secondary circuit
Opening the casing door
1.
Fig. 21
2x
3.
2x
2.
A
B
Fig. 22
A Straight pipe sections supplied
B
Pipe bends from secondary circuit connection set
(accessories): See separate installation instruc-
tions.
Symbol Meaning Connection
Heating water return Cu 28 x 1 mm
Heating water flow Cu 28 x 1 mm
Installation sequence
Connecting the refrigerant lines
(cont.)
5776 028 GB
Installation