Viessmann 7441 770, Installation And Service Instructions For Contractors

Page: 4 / 20

4
Dimensions
440
400 150
300
268
50
Siting
Requirements of the installation room
■ Frost protection
■ Protection against chemicals, dyes,
solvents and dust
■ Protection against high radiation tem-
peratures and direct sunlight
■ Sufficiently large, horizontal, level
and load-bearing installation surface
■ Easy accessibility for maintenance
work
■ Available socket 230 V/50 Hz (per-
manent voltage) in the immediate
vicinity. The length of the power cable
is 2 m.
■ Existing sewer connection (min. DN
40). This must allow drainage of min.
18 l/min without obstruction
Note
Choose an installation location that
means the supply and drain hoses are
as short as possible.
Preparing for installation
5601325