Technical data

165
Coding – Vitocontrol-S, VD2/CT3/CM2
Coding 1 (continued)
Coding in the factory setting Possible change
Multi-boiler control unit
36: 0 Electronic minimum system supply temperature
limit set to 0˚C / 32˚F
36: 1
to
36:127
Electronic minimum system supply temperature
limit adjustable from 0 to 127˚C / 32 to 261˚F
37: 80 Electronic maximum system supply temperature
limit set to 80˚C / 176˚F
37: 20
to
37:127
Electronic maximum system supply temperature
limit adjustable from 20 to 127˚C / 68 to 261˚F
Control type
3b: 1 Autonomous boiler parallel connection with supply
temperature sensor
3b: 0 Autonomous boiler parallel connection without
supply temperature sensor
3b: 2 Autonomous boiler series connection without
supply temperature sensor
3b: 3 Autonomous boiler series connection with supply
temperature sensor
3b: 4 Sequential type of control with supply temperature
sensor
Control strategy
3C: 2 Net calorific strategy 2
(see page 127)
3C: 0 Gross calorific strategy
(see page 126)
3C: 1 Net calorific strategy 1
(see page 127)
General
40:125 Actuator operating time for isolation valve,
three-way mixing valve or mixing valve motor in
conjunction with permanent return temperature
control:
125 seconds
40: 5
to
40:199
Operating time adjustable from 5 to 199 seconds
5351 340 v1.4