Bentone B 70-3, Installation And Maintenance Instruction

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Bentone
5.3 Replacement of damper motor, air
Removal and installation
1. Break the main current and disconnect the Euro plugs from the burner.
2. Note the position of the cables and loosen the wires in the damper
motor.
3. Disengage the damper motor and set it at 30°.
4. Loosen the screws (G) to the damper motor mounting plate.
5. Lift the damper motor carefully so that the air damper remains in the air
intake.
6. Loosen (L) the control arm from the motor shaft.
7. Remove the damper motor from the mounting plate (I).
8. Reinstall the damper motor on the mounting plate.
9. Fit the control arm on the damper motor shaft. It is important that the
screw is perpendicular to the plane of the shaft.
10. Disengage the damper motor and set it at 30°.
11. Install the mounting plate by guiding the control arm into the bracket
on the air damper and the air damper shaft in the mounting plate
(make sure the bushings between the mounting plate and the damper
shaft are in place).
12. Disengage the damper motor, feel that the damper moves easily. Close
the damper and reset the protractor on the damper motor.
13. Connect the damper motor electrically.
14. Set the damper motor notches.
15. Fit the Euro plugs and turn on the mains power.
16. Check combustion.*
!
When resetting dam-
pers, ensure that
they do not engage
in the close damper
position. If dampers
do engage, the auto-
matic control unit will
report an error mes-
sage.
L
G
I
G
!
If the burner is directly connected, ensure that all
components on the burner are without power.