ETS NORD FDMS Guía
NORDfire
Fire damper maintenance
FDMS damper activation and change of the fuse Lk. 2
FDMS retrofit limit switch installation Lk. 4
FDMR, FDMR-60, FDMB, FDMQ ja FDMA-PM fuse change Lk. 6
FDMR, FDMR-60, FDMB ja FDMQ retrofit limit switch installation
package Lk. 8
FDMA fuse change Lk. 9
BFN-T & BFL-T actuator installation (by Belimo) Lk. 10
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2RDM-065-0922
®NORDfire |Fire damper maintenance
Replacement fuse product code: KK101068
Only 72 degrees
1. FDMS fire damper is closed, not activated
2. Unscrew almost the butterfly nut that is holding the fuse from the threaded rod (when replacing the fuse
remove butterfly nut completely).
3. Pull the fuse out against the butterfly nut (when changing the fuse, pull the fuse completely out).
FDMS damper activation and change of the fuse
Images are for illustrative purposes.
We reserve the right to make changes. RDM-065-0922 3
®NORDfire |Fire damper maintenance
4. Open the blade using the handle.
5. Push the fuse back in, keeping the blade in the open position. The shorter tooth of the fuse locks the blade
in place.
6. When the butterfly nut is tightened again, the fire damper is activated.
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4RDM-065-0922
®NORDfire |Fire damper maintenance
Is required:
FDMS fire damper,
a limit switch mounting clip corresponding to the size of the fire damper,
4 pc 4,2 ×13 mm screw (is not included in the set).
1. First, loosen the adjustment screws of the limit switches and push the switches down a little.
FDMS retrofit limit switch installation
A limit switch mounting clip
with limit switches
FDMS fire damper
Images are for illustrative purposes.
We reserve the right to make changes. RDM-065-0922 5
®NORDfire |Fire damper maintenance
2. Press the mounting clip against the collar of the fire damper and attach the clip to the damper through the
holes on the sides with screws.
3. Adjust and tighten the limit switch to the position so that the switch goes to the bottom in both positions
and that there is a click heard in the end.
The limit switch can be tested by pressing down on the wing of the switch.
Blade is closed Blade is open
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6RDM-065-0922
®NORDfire |Fire damper maintenance
FDMR, FDMR-60 FDMB, FDMQ ja FDMA-PM fuse change
Replacement fuse product code: KK101037
72 degrees (optional fuses also 104 or 147 degrees)
Option 1
1. Open the maintenance hatch on the side of the fire damper by removing the screws.
2. Place the replacement fuse in the upper holder and push the spring down with both hands while pushing
the fuse in to the lower holder.
Images are for illustrative purposes.
We reserve the right to make changes. RDM-065-0922 7
®NORDfire |Fire damper maintenance
Option 2
1. Remove the fire damper mechanism by unscrewing the four bolts in its corners.
2. Place the replacement fuse in the upper holder and push the spring down with both hands while pushing
the fuse in to the lower holder.
3. Attach the mechanism back to the fire damper so that the position of the axis and blade corresponds to
the position of the handle of the mechanism.
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8RDM-065-0922
®NORDfire |Fire damper maintenance
Replacement package product code: 110421775
First, remove the plastic protective plates from the sides of the mechanism and replace them with protective
plates equipped with limit switches in the installation package.
Attention!
FDMR, FDMR-60, FDMB and FDMQ retrofit limit switch installation package
Make sure the limit switch wings are installed in
the correct position (as shown on the picture).
Images are for illustrative purposes.
We reserve the right to make changes. RDM-065-0922 9
®NORDfire |Fire damper maintenance
Replacement fuse product code: KK101034
72 degrees (optional fuses also 104 or 147 degrees)
1. Open the inspection hatch on the side of the fire damper or duct and insert the fuse into one of the two
pins inside the damper.
2. Press the pins together and insert the other end of the fuse to the other pin.
FDMA fuse change
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10 RDM-065-0922
®NORDfire |Fire damper maintenance
BFN-T ja BFL-T actuator installation (by Belimo)
min. 20 mm
12 mm
20 mm
3 mm
20 mm
3 mm9,5... 11 mm
M6
M6
5 Nm
M6
M6
5 Nm
Este manual sirve para los siguientes modelos
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