Central Heating; Selecting The Operating Mode; Temporarily Changing The Set Room Temperature; Comfort Mode - Viessmann OpenTherm VITOTROL 100 OT Operating Instructions For The System User

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Central Heating

Central Heating

Selecting the Operating Mode

You can choose between the following time programs and operating modes:
• "P 1" to "P 3"
Alternating operation with standard and reduced room temperature according to the set
switching times.
• "PERM COMFORT"
Continuous comfort mode
• "PERM REDUCED"
Continuous reduced mode
• "FROST PROTECTION"
Continuous frost protection mode
See page 5 for how to select the operating mode.

Temporarily Changing the Set Room Temperature

You can change the room temperature for a short time, regardless of the selected operating
program. The change remains in force until the next operating program changeover.
1. Press INFO to access control mode
2. Room temperature-dependent mode or weather-compensated mode with room influence:
Use the rotary selector to set the required increase or decrease in the set room temperature in ˚C
Weather-compensated mode without room influence:
Use the rotary selector to set a value from -5 to +5 for the required increase or decrease in the
flow temperature. Value 1 means increasing or decreasing the flow temperature by 5˚C. This
temporarily changes the room temperature.

Comfort Mode

In comfort mode, the room temperature is regulated to a preselected set value (delivered condition:
23˚C). You can change the preselected set value.
The setting remains in force until the next operating program changeover.
1. Press INFO to access control mode
2. Press PARTY. The selected room temperature appears
3. Use the rotary selector to set the required increase or reduction of the set room temperature.
PARTY is displayed
Ending Comfort Mode
1. Press PARTY. "PARTY OFF" appears
2. Press OK to end comfort mode