Bentone B40 MF - Page 29

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Bentone B40 MF/B45-2 MF
For installers
Stage 2 (red)
Stage 1 (orange)
Closed damper (blue)
Solenoid valve Stage 2
(black)
Releasing buttonN.B. The
upperposition is thestandard
position
Adjustment Stage 2
Set the operations switch to Stage 1 (I).
* Reduce the air volume:
Turn red cam towards 0°.
* Increase the air volume:
Turn red cam towards 90°.
Once the red or orange cam has been moved, check whether the black
cam must be changed. The black cam must be between the orange and red
cam.
Return the operations switch to Stage 2 and check combustion.
Closed
The blue cam is the limit position for fully closed damper and does not
normally need to be changed.
Disconnection
Damper motor can be disengaged using the white disconnection button.
This function facilitates the replacement of damper motor.
During disconnection. Press the white disconnection button and move
it outwards until it engaged in a milled groove.
During connection. Slide the white release button inwards and
release. Changing the position of the motor until
the gears engage with each other.