Additional information
137
Wiring diagram
(continued)
Low-voltage motherboard
(continued)
!
Outdoor temperature
sensor/radio clock receiver
(accessory)
§
Boiler temperature sensor
%
DHW tank temperature
sensor/2nd DHW tank
temperature sensor with DHW
tank loading system (accessory)
aG
Flue gas temperature sensor
(accessory)
aJ
A
Temperature sensor of
Therm-Control
or
temperature sensor T1
aJ
B
Temperature sensor T2
aVD
Connection of external
equipment
aVG
KM BUS participant (accessory)
aVH
Connection of external
equipment
LON Connecting cable for data
transfer between the control
units (accessory)
S3 Emissions test switch ”
S
”
V1 Fault indicator (red)
V2 Operating status indicator (green)
5285
941
-
0
1
