3.5.14 Installing the servo-motors
❒ Secure the cover plate on the servo-motor side using thread forming screws,
ensuring that the three holes (A) are in the direction of the back of the boiler
➥ Check that the air flaps are at the left stop
➥ All air flaps should be are closed
❒
Set the actuators:
➥ Set the direction of rotation of the actuator (1) to left (L)
➥ Press the unlock key (2) and turn the drive for the shaft to the air duct (3) in an
anti-clockwise direction as far as the stop
❒ Place the actuators onto the pneumatic rod
❒ Attach sticker to cover plate
➥ Primary air: top actuator
➥ Secondary air: bottom actuator
❒ Position the torque support and partially tighten the screws
❒
Align the actuators so that they are straight and tighten the screws
❒ Attach the sticker at the end of the actuator cable
3
Assembly
Installing the boiler
62 Froling GesmbH | A-4710 Grieskirchen | www.froeling.com
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