Viessmann VITOCROSSAL 300 CU3A 35 Operating Instructions Manual page 21

Vitocrossal 300 CU3A 26 to 199 Operating
Room Temperature
Further information can be found in "Terminology" page 42.
Setting the standard room temperature for central heating
Factory setting: 68°F (20°C)
For the primary heating circuit (refer to page 30)
Standard menu
1. for the required value.
2. OK to confirm.
For all heating circuits
Extended menu
1.
2. "Heating"
3. Poss. for the required heating circuit.
4. "Room temp setpoint"
5. Set the required value.
Setting the Operating Program for Central Heating
Further information can be found in "Terminology" page 42.
Setting the operating program for central heating
For the primary heating circuit (refer to page 30)
Standard menu
1. for the operating program:
"Heating and DHW"
2. OK to confirm.
Time Program
Central Heating - Heating Circuit (HC)
Setting the reduced room temperature for central heating
(night setback)
Factory setting: 64°F (18°C)
Extended menu
1.
2. "Heating"
3. Poss. for the required heating circuit.
4. "Reduced room temp setpoint"
5. Set the required value.
Central heating to this temperature:
H Between the time phases for standard heating mode.
H In the holiday program (refer to page 24).
For all heating circuits
Extended menu
1.
2. "Heating"
3. Poss. for the required heating circuit.
4. "Operating program"
5. For example "Heating and DHW"
For information on the operating programs, refer to
page 17.
Further information can be found in "Terminology" page 42.
Setting the time program for central heating
Factory setting: One time phase from 0:00 to 24:00 h
for every day of the week.
Extended menu:
1.
2. "Heating"
3. Poss. for the required heating circuit.
4. "Heating time program"
5. Set the required time phases.
Procedure for setting a time program, refer to page 18.
Note: When setting, bear in mind that your heating
system requires some time to heat the rooms
to the required temperature.
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