Recommended Power Cables; Siting And Transport Requirements; Transport - Viessmann VITOCAL 242-G Installation And Service Instructions Manual

Requirements regarding on-site connections
1. Prepare the connections on the heating water and
the DHW side.
Flush the heating system.
Connection of hydraulic pipes
On-site connection:
■
Use straight pieces of pipe (standard delivery).
■ With the connection set primary circuit/secondary
circuit (accessories):
Use pipe bends from the connection set.

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.
(cont.)
2. Prepare the electrical connections.
Cable lengths:
■ Required cable length inside the appliance plus dis-
to : tance to wall:
D G
2.25 m
Height of wall outlet:
■
2100 mm (see "Technical guides for heat pumps")
241.A06
3 x 1.5 mm
5 x 1.5 mm
5 x 2.5 mm
3 x 4 mm
5 x 2.5 mm
7 x 2.5 mm
!
Preparing for installation
241.A08
2
3 x 1.5 mm
2
5 x 1.5 mm
2
5 x 2.5 mm
2
3 x 4 mm
25 m 25 m
2
5 x 2.5 mm
2 7 x 2.5 mm
25 m 25 m
Please note
Tilting the compressor at a steep angle inside
the heat pump can result in appliance damage.
Max. tilting angle: 45°
241.A10
2 2
3 x 1.5 mm
2 2
5 x 1.5 mm
2 2
5 x 2.5 mm
2 2
3 x 4 mm
25 m
2 2
5 x 2.5 mm
2 7 x 2.5 mm 2
25 m
9