Viessmann GC1 Operating Instructions For The System User

21
Setting the room temperature
Set the required room temperature at the room tem-
perature controller or higher ranking control unit.
Operating instructions for room temperature
controller or higher ranking control unit
Setting the boiler water temperature (flow temperature)
Set a temperature that allows your rooms to become
sufficiently warm.
Factory setting: 75 °C
Setting range: 20 to 81 °C
Note
Your contractor can change the setting range. For this,
consult your contractor.
Tap the following on-screen buttons:
1. If required, for the home screen
2. / for "Set boiler water temperature"
3. / for the required value
4. to confirm
Setting "Operating program" for central heating
Enable the "Operating program" for central heating.
The setting is required only where one of the following
operating programs is set:
"Only DHW heating"
"Standby mode"
Tap the following on-screen buttons:
1. If required, for the home screen
2. or for "Operating program"
The set "Operating program" is highlighted.
3. Select "Heating and DHW" or "Heating" to
set central heating.
4. to confirm
For information on the operating programs, see
page 15.
Stopping central heating
Disable the central heating "Operating program".
This setting is only necessary if the "Operating pro-
gram" "Heating and DHW" or "Heating" is set.
Tap the following on-screen buttons:
1. If required, for the home screen
2. for "Operating program"
The set "Operating program" is highlighted.
3. "Only DHW"
or
"Standby mode" (frost protection for the boiler
and DHW cylinder is enabled)
4. to confirm
Single boiler constant control: Central heating
Settings for the room temperature
5798582

Viessmann GC1 Specifications

General

Brand	Viessmann
Model	GC1
Category	Control Unit
Language	English