Datasheet

5822 239 GB
42
3.3 Installation notes
3.3 Installation notes
Connection of an on-site control unit to Vitotronic 100 (type KC2) – single boiler systems
Operation with a two-stage burner
Plug-in connectors inside the control unit
Volt-free contacts of the overriding
control units:
1st burner stage ON
Remove the wire jumper from the plug-in
c onnec tor a-D.
Settings on Vitotronic 100
The high limit safety cut-out settings and
other settings depend on the system
equipment and the safety equipment acc.
to DIN 4751-2.
High limit safety
cut-out
110 ºC 100 ºC
Control thermostat 100 ºC 87 ºC
Maximum
temperature of the
on-site control unit
95 ºC 80 ºC
Control unit cable
(plug-in adaptor 2nd stage)
Plug-in connector for Vitotronic 100 (type
KC2) to the burner
2nd burner stage ON
Connection to T8 = full load
Connection to T7 = partial load
STB PE N STB TR TR
ON
ON
150
B5 T6 T7 T8
90
brown black blue