Viessmann VITOTRONIC300 Installation And Service Instructions Manual page 96

Weather-compensated, digital boiler control units for use with boiler models vd2a, vd2 and ct3
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Code 1
"Heating Circuit 1", "Heating Circuit 2", "Heating Circuit 3" Group
Coding in the factory set condition
Slab curing function
F1:0
Slab curing function disabled.
Do Not Adjust
Party mode time limit
F2:8
Time limit for party mode or external heating
program changeover via push button: 8 h
Note: Observe settings of coding addresses
"5d", "5E", "5F" in the "General"
group, as well as "d5" and "d8"
in the "Heating circuit..." group.
Start temperature raising
F8:-5
Temperature limit for raising reduced mode
23°F (-5ºC); see example on page 83.
Observe the setting of coding address "A3".
End temperature raising
F9:-14
Temperature limit for raising the reduced set
room temperature 7°F (-14ºC); see example
on page 83.
Set supply temperature increase
FA:20
Raising the set boiler water or supply
temperature by 20% when changing from
operation with reduced room temperature to
operation with standard room temperature.
See example on page 83.
Duration set supply temperature increase
Fb:30
Duration for raising the set boiler water or
supply temperature (see coding address "FA")
60 min. See example on page 83.
*1
Party mode ends automatically in the "Heating and DHW" heating program when the system changes over to
operation with standard room temperature.
96
Vitotronic 300, GW2B Installation and Service
Possible change
F1:1
Not Used
to
F1:6
F1:15
Not Used
F2:0
No time limit
*1
.
F2:1
Time limit adjustable from 1 to 12 h
to
F2:12
F8:+10
Temperature limit adjustable from
to
50 to -76°F (+10 to -60°C).
F8:-60
F8:-61
Function disabled.
F9:+10
Limit for raising the set room temperature
to
to the value selected for standard mode
F9:-60
adjustable from 50 to -76°F (+10 to -60°C).
FA:0
Temperature rise adjustable from 0 to 50%.
to
FA:50
Fb:0
Duration adjustable from 0 to 300 min;
to
1 step
Fb:150
(continued)
*1
.
2 min.
*1
.

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