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Product name
Duct connection size
Voltage
Motor type
Airflow
qv*
Adjustment pressure
Δp
Pa
Description

DTBCU-100-24-TF

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MISSING

Shut-off damper with spring return motor

Consists of a DTU damper with a 24 or 230 V electric motor added.

The motor is controlled by a single-pole breaking contact. The motor has overload protection and stops automatically when the blade has reached its end stop. Although the current is connected, the motor is not damaged if blocked.

When system voltage is connected, the motor starts and tensions the return spring at the same time. The motor stops at its end position and is not damaged by blockage, although system voltage remains.

When the power is cut, the damper closes when the drive motor freewheels and the return spring pulls the blade back to its original position.

If you want the damper to open instead of close, you can undo the two nuts on the spindle clamp, turn the spindle 90°and tighten the nuts again.

In outdoor installation, the motor should be protected from direct UV radiation.

The motor is installed at a distance from the damper, which makes it easy to insulate the ventilation duct.

There is a separate assembly, measuring balancing and maintenance instruction for this product.


MISSING
Total pressure loss
Δpt
Pa
Sound power level
LwA
dB(A)
Velocity
v
m/s
Damper angle
°
deg
  • Pressure and sound power diagram
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    Hz 63 125 250 500 1K 2K 4K 8K
    Lw 61 56 53 47 40 34 26 19

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