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Honeywell F Serie Installationsanleitung Seite 6

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3NM FIRE AND SMOKE 250°F SERIES SPRING RETURN DIRECT COUPLED ACTUATORS
5. Turn damper blades to desired normal (closed) posi-
tion.
6. Place actuator and mounting bracket back into posi-
tion and secure bracket to damper box with sheet
metal screws.
7. Using 10 mm wrench, tighten shaft coupling
securely onto damper shaft using maximum 106 lb-
in. (12 Nm) torque.
NOTE: See Fig. 6 for proper mounting to a square
damper shaft.
DAMPER SHAFT
Fig. 6. Proper mounting to square damper shaft.
To achieve ingress protection rating IP54, the actuator
needs to be mounted according to Fig. 7. IP54 applies for
all mounting positions except with cable-up position
(crossed out) Fig. 7.
CABLE-UP POSITION
IP50
REGULAR POSITIONS
IP54
Fig. 7. Mounting actuator for IP compliance.
38-00087EFRTA—01
DAMPER SHAFT
1
ENSURE THAT MOUNTING ASSEMBLY PREVENTS ACTUATOR
ROTATION AND ALLOWS ACTUATOR TO FLOAT ALONG
INDICATED AXIS. WHEN TOO TIGHT, THE RESULTING BINDING
CAN DAMAGE THE ACTUATOR OR REDUCE TORQUE OUTPUT.
2
THE BRACKET CAN BE BENT TO ALLOW MOUNTING THE
ACTUATOR PARALLEL TO THE MOUNTING SURFACE.
Fig. 8. Mounting actuator to damper housing.
M37467
6
Detail with U-Bolt
2
BRACKET
1

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Ms4103fMs8103f

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