Viessmann Vitocal 222-S Installation And Service Instructions For Contractors page 13

Compact heat pump, split version
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Installing the outdoor unit
Weight of outdoor units
Vitocal 222-S
230 V appliances
400 V appliances
Installation location
Select a site with good air circulation, so that the
cooled air can dissipate and be replaced by warm
air.
Never install in the corners of rooms, in recesses or
between walls. This could result in an "air short cir-
cuit" between the air being discharged and the air
being drawn in.
!
Please note
An "air short circuit" during heating mode will
result in the cooled discharged air re-entering
the unit. This can result in reduced heat pump
efficiency and defrosting problems.
Avoid "air short circuits".
!
Please note
An "air short circuit" during cooling mode will
result in the heated discharged air re-entering
the unit. This can lead to high pressure faults.
Avoid "air short circuits".
If siting the appliance in a location that is exposed to
wind, ensure that the wind cannot influence the fan
area. Strong wind can have a negative influence on
the air flow through the evaporator.
(cont.)
Type
AWBT-M
AWBT-M-E-AC
AWBT
AWBT-E-AC
221.C04
221.C06
221.C08
221.C10
221.C13
221.C16
221.C10
221.C13
221.C16
Take the lengths of the refrigerant lines into account:
see "Connecting the refrigerant lines".
Select an installation location where the evaporator
cannot be blocked by leaves, snow, etc.
Select the installation location giving due considera-
tion to the physical laws concerning the propagation
and reflection of sound.
Technical guide
Never install next to or below bedroom windows.
Maintain a clearance of at least 3 m to pathways,
downpipes or sealed surfaces. The cooled air in the
discharge area creates a risk of ice forming when
outside temperatures are below 10 °C.
The installation location must be easily accessible,
for example for maintenance work: see "minimum
clearances".
Installation sequence
Weight in kg
94
94
99
137
137
137
148
148
148
13

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