Connection and wiring diagram
T8
Ignition transformer and ioni-
sation
§
Boiler water temperature sen-
sor
$
Outlet temperature sensor
(only gas combi boilers)
%
Cylinder temperature sensor
(only gas system boilers)
(cont.)
sÖ
Internal circulation pump
dG
Gas solenoid valve
fJ
Temperature limiter
aVL
Flow switch
a-Ö/aBL Interlocking of extractors via
external H3 extension
aNS
Flue gas monitoring sensor
a:Ö
Modulation coil
Designs
49