Viessmann AWB 201.B04, Инструкция по установке и обслуживанию

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38
2.
!
Please note
Contamination (e.g. metal
swarf) or moisture must not
enter the copper pipes.
Therefore, hold the pipe open-
ings down or plug them.
Undo the nuts from connections
C
(liquid line) and
D
(hot gas line) of
the refrigerant lines.
Type AWB/AWB-AC 201.B04:
Slide the nuts onto the refrigerant
lines prepared on site.
Type AWB/AWB-AC 201.B07,
201.B10, 201.B13:
Replace nuts with union nuts sup-
plied (internal unit) (⅝ UNF for liquid
line, ⅞ UNF for hot gas line).
3. Flare the pipe ends.
4. Secure the pipes.
Tighten the nuts with the following torques:
Type
AWB/
AWB-AC
Line Connection to
external unit Torque in Nm
201.B04 Liquid line
7
6 mm
⁷
⁄
₁₆
UNF
14–18
Hot gas line
7
12 mm ¾ UNF 50–62
201.B07 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
201.B10 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
201.B13 Liquid line
7
10 mm ⅝ UNF 33–42
Hot gas line
7
16 mm ⅞ UNF 63–77
Installation sequence
Connecting the refrigerant lines
(cont.)
5604 692 GB