Viessmann Vitopend 100-W - Setting the Maximum Heating Output

25
Rated heating output kW 10.5 11 12 15 18 21 24
Nozzle pressure relative to
37 mbar (3.7 kPa) supply
pressure
Gas Nozzle ø
in mm
LPG P 0.84 mbar 5.6 6.0 6.8 10.4 14.8 20.2 26.4
kPa 0.56 0.60 0.68 1.04 1.48 2.02 2.64
13.5 to 30 kW
Rated heating output kW 13.5 15 18 21 24 27 30
Nozzle pressure relative to
20 mbar (2 kPa) supply pres-
sure
Gas Nozzle ø
in mm
Natural gas H 1.25 mbar 2.3 3.2 4.7 6.5 8.5 10.8 13.3
kPa 0.23 0.32 0.47 0.65 0.85 1.08 1.33
Nozzle pressure relative to
37 mbar (3.7 kPa) supply
pressure
Gas Nozzle ø
in mm
LPG P 0.84 mbar 5.2 6.8 9.6 12.9 16.8 21.2 26.1
kPa 0.52 0.68 0.96 1.29 1.68 2.12 2.61
Note
The values given in the tables for nozzle
pressure apply to the following ambient
conditions:
■ Air pressure: 1013 mbar (101.3 kPa)
■ Temperature: 15 °C
Wobbe index see page 20.
Setting the maximum heating output
The maximum heating output for heat-
ing operation can be limited. The limit is
set via the modulation range.
01. Turn off the ON/OFF switch on the
control unit (the boiler shuts down).
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5848 649 GB
Service