Vaillant VR 40, Installation Instructions Manual, Page: 7 / 28

Installation instructions Art. No. 0020017744 - VR 40 - 0020008433_07
7
M
M
M
1 2
230 VAC
230 VAC
1 2
a
1 2
230 VAC 230 VAC
1 2
a
bar
N 1 2 L N L N
X4
0A
X4
0
B
X12A
X1
T2
F1
K2 K1
X12
B
1 2
A
C
D
2
3
0 V
A
C
2
3
0 V
A
C
X40A
X12A
rel. 2 (d.28)
rel. 1 (d.27)
1
2
bar