Designs
Connection and wiring diagram
G
Remote control (accessory)
H
Outside temperature sensor
(accessory)
K
Time switch (accessory)
L
Gas pressure limiter (accessory)
M
PCB inside the control unit
X ...
Electrical interface
§
Boiler water temperature sensor
$
Outlet temperature sensor (gas
condensing combi boiler)
56
(cont.)
%
Cylinder temperature sensor
(gas condensing boiler)
aG
Flue gas temperature sensor
sÖ
Circulation pump 230V~
dG
Gas solenoid valve
fJ
Temperature limiter
a-Ö
Fan motor 230V~
a-ÖA Fan control
aVL
Flow sensor