27
1.
Fit fan
A
with Venturi mixing pipe
E
, gas train
B
and gas supply pipe
D
.
Note
Ensure the gasket between the fan housing and
the boiler door is correctly seated.
2.
Plug connecting cables "100" and "100A" into the
fan.
3.
Connect all required cables to the gas train.
4.
Refit the control cables with clamps; see Fig. 28
and Fig. 29.
Reinstall control cables using clamps.
5.
Check control cables:
■
Connection and kink-free routing
■
Application and seating of retaining clips
6.
Tighten fitting
C
on gas supply pipe
D
.
Danger
Escaping gas leads to a risk of explosion.
Check the fitting and gasket between the fan
housing and the boiler door for gas tight-
ness.
!
Please note
If the boiler water temperature sensor is not
installed or not positioned correctly, the burner
operational characteristics will be controlled
incorrectly.
Check that the boiler water temperature sensor
is correctly seated in the sensor well. The sen-
sor must be pushed in as far as it will go and
secured with a clamp.
Control cables connection diagram
Fig. 27
Burners from 115 to 311 kW
Commissioning, inspection, maintenance
Fitting the burner
(cont.)
5831036