Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 39
Type awt-ac 221.a04 to a13
compact heat pumps, split version for heating and cooling operation
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Also See for VITOCAL 222-S:
- Installation and service instructions manual (164 pages) ,
- Installation and service instructions for contractors (160 pages) ,
- User manual (236 pages)
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Connecting refrigerant lines
2x
5.
(cont.)
5. Flare the pipe bends on their open
end and secure connection piece
(twin nipple) with union nuts.
Note
■ Flare the pipe end of the hot gas
line by approx. 0.5 mm.
■ Connection pieces must not be
positioned diagonally. Check that
the flared connections are firmly
seated.
Installation sequence
39
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