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Figure 10
Combi boiler room thermostat and Outside Temperature Sensor connections
24V AC
G S M
OT
THERMOSTAT BRIDGE
OPENTHERM
EXTERNAL TEMP.
SENSOR
WHITE
ORANGE
WHITE
GREEN
GREEN
ORANGE
OPEN THERM
CONNECTION
EXTERNAL
TEMP. SENSOR
A
PCB
PCB
PCB
B
WARNING:
REMOVE THE BRIDGE WIRE FROM THE ROOM THERMOSTAT / TIMER TERMINAL
B WHEN THE TIMER OR OPENTHERM ROOM THERMOSTAT CONNECTED THE BOILER.
ROOM THERMOSTAT
ORANGE
WHITE
GREEN
W
W
O
O
G
G
COMBI BOILER CONTROL ACCESSORIES
RC07
Modulated, Weekly Program Scheduled,
Cable room thermostat
Product code: 153.11.660.600020
WDHS-01
External Weather Temperature Sensor
Product code: 153.11.660.600001
WT-08
Large Screen, Modulated, Weekly Program
Scheduled, Cable room thermostat
Product code: 153.11.660.600021
WT-RF03
Large Screen, Modulated, Weekly
Program Scheduled, Wireless room thermostat
Product code: 153.11.660.600022
