Viessmann OpenTherm Installation And Service Instructions For Contractors

21
Minimum boiler water temperature
Parameter 1
Setting Explanations
10 - 50 Minimum boiler water temper-
ature adjustable from 10 to
50 °C
Delivered condition 10 °C
No minimum boiler water temperature
active
Max. flow temperature, low loss header (heating circuit without mixer)
Parameter 2
Setting Explanations
20 - 90 Max. flow temperature adjust-
able from 20 to 90 °C
Delivered condition: 65 °C
Max. flow temperature, heating circuit with mixer
Parameter 3
Setting Explanations
20 - 90 Max. flow temperature adjust-
able from 20 to 90 °C
Delivered condition: 55 °C
Commissioning and adjustment
Setting the mixer extension kit parameters
(cont.)
5837721
Service

Viessmann OpenTherm Specifications

General

Brand	Viessmann
Model	OpenTherm
Category	Temperature Controller
Language	English