Installer_manual_OEM_Vaillant_PROTO_3_GB - 06/11 - Vaillant
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10.3 Example installation of scheme C
Installation with boiler booster and pressure b one zone, controlled by command unit used as room thermostat.
230V
A
B
G
F
E
D
C
230V
230V 230V
L12
9
14
1
2 3
13
12
6
6
6
6
10
10
6
11
6
7
7
8
4
5
1
4
R5
5
8
2 3
INSTALLATION