Viessmann OpenTherm Installation And Service Instructions For Contractors

22
Switching function, DHW heating
Parameter 4
Setting Explanations
0 Gas condensing system boil-
er: DHW heating enabled in
accordance with the settings
of the room temperature con-
troller
Gas condensing combi boiler:
Comfort function switched on
in accordance with the set-
tings of the room temperature
controller
1 Gas condensing system boil-
er: DHW heating off
Gas condensing combi boiler:
Comfort function off
Delivered condition
2 Gas condensing system boil-
er: DHW heating on
Gas condensing combi boiler:
Comfort function on
Default set DHW temperature
Parameter 5
Setting Explanations
30 - 80 Set DHW temperature adjusta-
ble from 30 to 80 °C
Delivered condition: 50 °C
If no set value is transmitted from the
room temperature controller.
PWM signal, circulation pump 20A
Parameter 6
Setting Explanations
0 - 100 Never adjust. Delivered condition: 0
PWM signal, circulation pump 20B
Parameter 7
Setting Explanations
0 - 100 Never adjust. Delivered condition: 0
Commissioning and adjustment
Setting the mixer extension kit parameters
(cont.)
5837721

Viessmann OpenTherm Specifications

General

Brand	Viessmann
Model	OpenTherm
Category	Temperature Controller
Language	English