Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors page 93

Boiler
(cont.)
522.3 "Interval until the next service"
Setting
596.0 "Maximum heating output"
Setting
597.0 "Limit, max. heating output for DHW heating"
Setting
1100.2 "Set speed of the primary circuit pump in heating mode"
Setting
1411.0 "Clear maintenance messages"
Setting
No
Yes
1432.1 "Residual head control of primary circuit pump"
Setting
Explanations
Interval until the next service
0 No interval selected
1 3 months
2 6 months
3 12 months
4 18 months
5 24 months
Explanations
A limit can be set on the maximum heating output for
heating mode.
100 Heating output in the delivered condition 100 %
0 to 100 Adjustable from 0 to 100 %
Explanations
A limit can be set on the maximum heating output for
DHW heating.
100 Heating output in the delivered condition 100 %
0 to 100 Adjustable from 0 to 100 %
Explanations
Set speed of internal circulation pump
In heating mode
■
With external demand
■
With demand in conjunction with a low loss header
■
... Delivered condition specified by settings specific to
the appliance
20 to 100 Set speed adjustable from 20 to 100 %
Explanations
Clear maintenance messages once maintenance has
been performed.
0 Maintenance messages are active (if present).
1 Clear maintenance messages once.
Explanations
Residual head limit value for reducing pump speed of
the internal circulation pump, in mbar
0 Internal circulation pump is controlled in line with the
outside temperature
1 to 255 Internal circulation pump is operated with constant re-
sidual head.
Recommended setting: 120 mbar
≙
1 step 1 mbar
System configuration (parameters)
93