Viessmann VITOTRONIC 100 Installation And Service Instructions Manual page 136

Components
Plug−in adaptor for external safety equipment
Lower part of the plug−in adaptor
B
C
150
X7 D
ON
TR
ON
TR
N
6 5 4 3 2 1
F
A Wiring chamber
B External safety equipment
X1 Additional high limit safety
cut−out, temperature limiter
or flue gas damper
X2 Minimum or maximum
pressure limiter
X3 Maximum pressure limiter
X7 Low water indicator
C External controlled shutdown
D Plug aBÖ
E Plug aBÖ of the control unit
F To the control panel or to the
reporting facility
G Connection for cable with
plug aBÖ to the control unit
136
B
C
150
X3 D
ON
TR
ON
TR
N
X6
6 5 4 3 2 1
G
(cont.)
B
C
150
X2 D
ON
TR
ON
TR
N
X4 X5
H Remove the corresponding jumper
when connecting the external
safety equipment.
H When connecting a motorised flue
gas damper, plug aBÖ of the flue
gas damper is inserted into
socket "X1" of the plug−in adaptor.
Note
Every socket "X1", "X2", "X3" and
"X7" must contain a plug aBÖ.
B
X8
150
X1 E
ON
TR
ON
TR
N
A