Boiler - Viessmann VITODENS 200-W Installation And Service Instructions For Contractors

System configuration (parameters)
General
(cont.)
1098.5 "Calorific value"
Setting
1139.0 "Outside temperature limit for cancelling reduced set room temperature"
Setting
1139.1 "Outside temperature limit for raising the reduced set room temperature to the standard set room
temperature"
Setting
1504.0 "Source for date and time"
Setting
Local

Boiler

Note
Parameter values in bold are factory settings.
521.0 "Time interval in burner hours until the next service"
Setting
66
Explanations
Value is provided on the gas supplier's bill.
Used for gas consumption data.
10.0000
5.0000 to Calorific value adjustable from 5.0000 to
40.0000
40.0000 kWh/m
Explanations
Temperature limit for cancelling reduced set room
temperature
-5 Temperature limit in the delivered condition - 5 °C
-61 to +10 Temperature limit adjustable from - 61 to + 10 °C in
1°C increments
Explanations
Temperature limit for raising the reduced set room
temperature (see function description)
-14 Temperature limit in the delivered condition - 14 °C
-60 to +10 Temperature limit adjustable from - 60 to + 10 °C in
1 °C increments
Explanations
Selection of source for date and time
The setting depends on the heat generator and acces-
sories.
0 Factory setting: The date and time are adopted from
the control unit.
1 Internet protocol (see parameter "508.0")
Explanations
Number of burner hours to run until next service
0
0 to 25500 Burner hours until next service adjustable from 0 to
25500
3
in increments of 0.0001