Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 19

Installing the outdoor unit
Removing the transport aids
After handling, remove all transport aids.
3.
Fig. 5
Installation information
Floorstanding installation
Particularly in adverse climatic environments (minus
temperatures, snow and humidity) a distance to the
substrate of at least 300 mm is required.
■ Secure the outdoor unit with supports for floorstand-
ing installation (accessories) onto a concrete founda-
tion.
Use ground anchors with a tensile force of at least
2.5 kN to secure the support to the foundation.
■ If the supports cannot be used, site the outdoor unit
on a concrete foundation
vibration feet (accessories).
If the outdoor unit is installed under a snow-free awn-
ing, (e.g. a carport) a lower plinth can be used.
Take into account the weight of the outdoor unit: See
■
chapter "Weight of outdoor units".
(cont.)
4x
1.
6x
250 mm high using anti-
≥
4x
2.
Wall mounting
Use the wall mounting bracket set (accessories).
■
The wall must meet the structural requirements.
■
Use suitable fixing materials, depending on the wall
structure.
Flat roof installation
Note
Due to the higher static loads (roof/wind load) and the
higher acoustic requirements for flat roof installation,
the structural calculations and sound concept require
input from specialist design engineers.
Installation sequence
19