Vaillant VR 40, Installation Instructions Manual, Page: 6 / 28

6
Installation instructions Art. No. 0020017744 - VR 40 - 0020008433_07
N 1 2 L N L N
X4
0A
X4
0
B
X12A
X1
T2
F1
K2 K1
X12
B
1 2
A B C D E
X40
N 1 2 L N L N
X4
0A
X4
0
B
X12A
X1
T2
F1
K2 K1
X12
B
1 2
A
1
2
rel. 2 (d.28)
rel. 1 (d.27)
1 2 L N
rel 1
1 2 L N
rel 1
A A
ecoLEVEL
(Art.No. 306287, 0020030797)
a
bar