Recommended Power Cables; Siting And Transport Requirements; Transport; Installation Room Requirements - Viessmann Vitocal 222-G Installation And Service Instructions Manual

Requirements regarding on-site connections

Recommended power cables

Type BWT/BWT-M
Heat pump control unit 230 V~
Cable cross-section
Without power-OFF
■
With power-OFF
■
Compressor
Cable cross-section
400 V~
■
230 V~
■
Max. cable length
Instantaneous heating water heater 8.8 kW
Cable cross-section
400 V~
■
230 V~
■
Max. cable length

Siting and transport requirements

Transport

During handling, the cylinder module can be removed:
see page 11 onwards.
In addition, the heat pump module can be removed:
see page 16.
!
Please note
Impacts, compression and tensile loads can
cause damage to the outside panels of the
appliance.
Never put weight on the top, front or side panels
of the appliance.

Installation room requirements

!
Please note
Unfavourable ambient conditions can lead to
malfunction and appliance damage.
The installation room must be dry and free
■
from the risk of frost.
■ Ensure ambient temperatures between 0 and
35 °C.
Danger
Dust, gases and vapours can be damaging to
health and cause explosions.
Avoid dust, gases and vapours in the installation
room.
(cont.)
221.A06 221.A08
3 x 1.5 mm 2
2
5 x 1.5 mm
5 x 2.5 mm 2
2
3 x 4 mm
25 m
2
5 x 2.5 mm
2
7 x 2.5 mm
25 m
!
Please note
Tilting the compressor at a steep angle inside
the heat pump can result in appliance damage.
Max. tilting angle: 45°
!
Please note
Overloading the floor can result in damage to
the building structure.
Observe the permissible floor load. Take the
total weight of the appliance into account.
Total weight with full DHW cylinder
Type BWT/BWT-M
221.A06
221.A08
221.A10
To prevent the transmission of structure-borne noise,
never site the appliance above ceilings with wooden
joists, e.g. in the attic.
Preparing for installation
221.A10
3 x 1.5 mm 2 3 x 1.5 mm
2
5 x 1.5 mm 5 x 1.5 mm
5 x 2.5 mm 2 5 x 2.5 mm
2
3 x 4 mm 3 x 4 mm
25 m
2
5 x 2.5 mm 5 x 2.5 mm
2
7 x 2.5 mm 7 x 2.5 mm
25 m
Weight in kg
2
2
2
2
25 m
2
2
25 m
420
420
426
9