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

Страница: 25 / 140

25
Connection to outdoor unit
C
D
C
D
4.
3.
2x
2.
Fig. 17 Example type AWT/AWT-AC 221.A04
C
Liquid line
D
Hot gas line
1. Remove the side cover: see page 40.
2.
!
Please note
Contamination (e.g. metal swarf) or moisture
in the copper pipes of the refrigerant lines
will cause the appliance to malfunction.
Point the pipe openings downwards or tem-
porarily plug them.
Undo the nuts from connections
C
(liquid line) and
D
(hot gas line) of the refrigerant lines.
Type AWT/AWT-AC 221.A04 :
Slide the nuts onto the refrigerant lines prepared
on site.
Type AWT/AWT-AC 221.A05 to A13, 221.B10 to
B16
:
Replace nuts with union nuts supplied (indoor unit):
■ ⅝
UNF for liquid line
■ ⅞
UNF for hot gas line
3. Flare the pipe ends.
4. Secure the pipes.
Installation sequence
Connecting the refrigerant lines
(cont.)
5776 028 GB
Installation