Viessmann VITODENS 111-W Installation And Service Instructions Manual page 73

Connection and wiring diagram
C Vitotrol 100
■ Type RT
■ Type UTA
■ Type UTDB
■ Type UTDB-RF
D Power supply 230 V/50 Hz
E
Remote control (OpenTherm
device)
F Outside temperature sensor
(accessories)
G Time switch (accessory)
H
Gas pressure switch (accesso-
ries)
(cont.)
X ... Electrical interface
§ Boiler water temperature sensor
$ Outlet temperature sensor (gas
condensing combi boiler)
% Cylinder temperature sensor
(gas condensing boiler)
aG
Flue gas temperature sensor
sÖ Circulation pump (heating water)
sA Cylinder loading pump
dG Gas solenoid valve
fJ Temperature limiter
a-Ö Fan motor 230 V~
a-ÖA Fan control
Designs
73