Overview Of Possible System Schemes - Viessmann Vitocal 200-S Installation And Service Instructions For Contractors

Preparing for installation
Requirements of on-site connections
Recommended power cables:
Rated heating output
External unit (compressor)
230 V~
Cable cross-section
Max. cable length
Heat pump control unit
(internal unit)
230 V~
Instantaneous heating
water heater 9 kW (if instal-
led, internal unit)
Cable cross-section
■ 400 V~ (phase symmetri-
cal/asymmetrical)
■ 230 V~ (phase asymmet-
rical)
Max. cable length

Overview of possible system schemes

The following table provides an overview
of all possible system schemes ("Sys-
tem scheme").
8
4 kW 7 kW
2
3 x 2.5 mm 3 x 2.5 mm
25 m
2
3 x 1.5 mm 3 x 1.5 mm
2
5 x 2.5 mm 5 x 2.5 mm
2
7 x 2.5 mm 7 x 2.5 mm
25 m
(cont.)
10 kW
2
3 x 4.0 mm
25 m 25 m
2
3 x 1.5 mm
2
5 x 2.5 mm
2
7 x 2.5 mm
25 m 25 m
13 kW
2 2
3 x 6.0 mm
30 m
2 2
3 x 1.5 mm
2 2
5 x 2.5 mm
2 2
7 x 2.5 mm
25 m