Viessmann Vitocal 300-G Installation And Service Instructions Manual page 11

Installation
(cont.)
Two-stage (type BW 301.A + BWS 301.A)
600 600
533 533
476 476
419 419
300 300
240 240
152 152
230 V
< 42 V
+
Install hydraulic connections on site
stress-free.
Line lengths in the heat pump plus wall clearance:
Type
Heat pump control unit
power supply (230 V~)
Compressor power supply
(400 V~)
Additional power cables
600 600
533 533
476 476
419 419
105 105
77
230 V 230 V
< 42 V < 42 V
+ +
BW 301.A and BWC
301.A
1.0 m
1.0 m
1.0 m
Preparing for installation
300 300
240 240
152 152
105 105
77 77
BWS 301.A
A connecting cable is used
for the power supply
1.0 m
Connecting cable
11