Viessmann Vitopend 100-W Installation And Service Instructions For Contractors

45
4. Flue gas monitoring sensor:
■ Disconnect the leads from the sen-
sor.
■ Check the sensor resistance and
compare it with the curve.
■ Replace the sensor in the case of
severe deviation.
Note
Function check of the flue gas mon-
itoring device, see page 33.
5. Cylinder temperature sensor (gas
system boiler):
■
Pull plug % from the cable har-
ness outside the control unit.
■ Check the sensor resistance and
compare it with the curve.
■ Replace the sensor in the case of
severe deviation.
Checking the fuse
Note
Switch off the power.
F1
Troubleshooting
Repairs
(cont.)
5848 649 GB
Service

Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%