Viessmann OpenTherm Installation And Service Instructions For Contractors

20
Calling up and changing parameters
Display and adjustments are made at
the room temperature controller.
01. Press MODE.
02.
Use / to select "SETTINGS".
03. OK to confirm
04.
Use / to select "SERVICE".
05. OK to confirm
06.
Use / to select "TSP-PARAM-
ETER".
07. OK to confirm
08.
Use / to select the required
parameter.
See the following chapter.
Note
Parameter 9 has no function.
09. OK to confirm
10. Set the required value with +/-.
11. OK to confirm
Parameters
Function of the room temperature controller
Parameter 0
Setting Explanations
0 Heating circuit without mixer
and heating circuit with mixer
Room temperature controller acts on
the connected heating circuit. See pa-
ges 12 and 17.
1 Heating circuit without mixer
and heating circuit with mixer
A room temperature controller acts on
both connected heating circuits. See
pages 12 and 17.
2 Heating circuit with mixer Room temperature controller only acts
on the heating circuit with mixer. See
pages 12 and 17
3 Heating circuit without mixer Switching input: On-site room tempera-
ture controller or time switch acts on
the heating circuit without mixer.
Contact closed: Circulation pump on
and flow temperature in accordance
with the setting of parameter 2
Contact open: Circulation pump with
run-on time off and set flow tempera-
ture 10 °C (frost protection)
Commissioning and adjustment
Setting the mixer extension kit parameters
5837721

Viessmann OpenTherm Specifications

General

Brand	Viessmann
Model	OpenTherm
Category	Temperature Controller
Language	English