Technical data

181
Coding – Vitocontrol-S, VD2/CT3/CM2
Coding 2
(continued)
Coding in factory setting Possible change
Systems/mixing valve circuit (continued)
F8: -5 With outdoor temperature sensor:
Below an outdoor temperature of -5˚C / 23˚F, the
reduced room temperature set-point is raised to an
outdoor temperature dependent value according to
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F8:+10
to
F8: -60
Temperature limit for raising the reduced operation
adjustable from +10 to -60˚C/ +50 to -76˚F
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as defined in coding address F9).
See example on next page.
Note coding address A3
F8: -61 Function not active
F9: -14 With outdoor temperature sensor:
Below an outdoor temperature of -14˚C / 6.8˚F,
the reduced room temperature set-point is raised to
the value of the normal room temperature set-
point.
See example on next page.
F9:+10
to
F9:-60
Temperature limit for raising the reduced operation
adjustable from +10 to -60˚C/ +50 to -76˚F
FA: 20 With outdoor temperature sensor:
Raising of the boiler temperature set-point when
switching from reduced room temperature to
normal room temperature by 20%.
See example on next page.
FA: 0
to
F9: 50
Temperature raise can be set from 0 to 50%
Fb: 30 With outdoor temperature sensor:
Duration of the raised boiler temperature set point
value (see coding address FA):
60 minutes.
See example on next page.
Fb: 0
to
Fb: 150
Duration can be set from 0 to 300 minutes;
1 setting step = 2 min
5351 340 v1.4