Viessmann VITOPEND 100-W Installation And Service Instructions Manual page 9

10.5 to 24 kw and 13 to 30 kw. gas fired central heating and combi boilers for open flue operation. natural gas and lpg version
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Electrical connections
A Fuse 2.5 A (slow)
B Power supply
C Ionisation lead
Low voltage plug
% Cylinder temperature sensor (if
installed)
Installation sequence
D Potentiometer
E Vitotrol 100, type UTD (acces-
sory)
Plug 230 V~
(internal connection)
dG
Gas solenoid valve (internal con-
nection)
a-Ö Interlocking, extraction devices
Connection via external exten-
sion H3 (accessory)
9

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