Make The Electrical Connection Of Heat Pump Stage 1 (Type Bw 301.A) And Stage 2 (Type Bws 301.A) - Viessmann Vitocal 300-G Series Installation And Service Instructions Manual

Installation sequence
Electrical connection
Make the electrical connection of heat pump stage 1 (type BW 301.A) and stage 2 (type
BWS 301.A)
aVG
s] B
aM]
B
A
D
[XG
X
Fig. 11
Wiring chamber, heat pump stage 2 (type BWS)
A
LV < 42 V connecting leads:
B
■ With plugs ?B , aJB
chamber of heat pump stage 1 (type BW)
■ With plugs ,
?B aJB
chamber of heat pump stage 2 (type BWS)
20
(cont.)
B
C
1.
B C
< 42 V
230 V~
3.
aVG
aVG
aM] B
aM] B
B
s]
B
s] B
and aVG in the wiring
and in the wiring
aVG
B C
< 42 V
aBH
[C-Ö
C X
230 V~ connecting cables:
C
With plugs without ID in the wiring chamber of
■
heat pump stage 2 (type BWS)
■ With plugs Xd-Ö
of heat pump stage 1 (type BW)
Wiring chamber, heat pump stage 1 (type BW)
D
2.
230 V~
4.
and aBH in the wiring chamber