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Neptronic BBT24A User manual

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BBT24A/050314 1
Actuator
Installation instruction
BBT24A BBT24AAX BBT24AP BBTS24A BBTS24AAX BBTS24AP
Technical Data BT400 BT420 BT405 BT400S BT420S BT405S
Auxiliary switches No Yes (2) No No Yes (2) No
Feedback No No Yes No No Yes
Running time through
90º 90 sec at 60 Hz
110 sec at 50 Hz 180 sec at 60 Hz
220 sec at 50 Hz
Power consumption 3 VA
Control signal 3 wire / 3 point floating
Torque 50 in.lb. [5,6 Nm] at rated voltage
Power supply 22 to 26 VAC
Electrical connection 18 AWG [0.8 mm2] minimum
Inlet bushing 2 inlet bushing of 5/8 in [15.9 mm] & 7/8 in [22.2 mm]
Angle of rotation 0 to 90 degrees, mechanically adjustable (factory set with 90º stroke)
Ambient temperature 0ºF to +122ºF [-18º C to +50º C]
Storage temperature -22ºF to +122ºF [-30º C to +50º C]
Relative Humidity 5 to 95 % non condensing.
Weight 3 lbs. [1.4 kg]
Warning: Do not press the clutch when actuator is powered
Dimensions
A
B
C
D
Dimension Inches Metric (mm)
A 1.50 38.1
B 3.26 82.8
C 6.60 167.5
D 3.01 76.4
Caution
We strongly recommend that all neptronic® products be wired to a separate transformer and that transformer shall service only neptronic® products. This precaution will
prevent interference with, and/or possible damage to incompatible equipment.
When multiple actuators are wired on a single transformer, polarity must be observed. Long wiring runs create voltage drop which may affect the actuator performance.
New Number
BBT24A BT400
BBT24AAX BT420
BBT24AP BT405
BBTS24A BT400S
BBTS24AAX BT420S
BBTS24AP BT405S
Feature:
•Mounts easy on round
& square shaft (with option –8).
•External clutch for manual adjustments.
•Maintenance free.
•Position indicator.
•Feedback
(on model AP).
•Auxiliary switches
(on model AAX).
•Constant running time.
BBT(S)24A/AAX/AP Installation instruction
2
Mechanical installation
CLUTCH
MOUNTING
BRACKET
1. Manually close the damper blades and positioned the
actuator at 0º or 90º.
2. Slide the actuator onto the shaft.
3. Tighten the nuts on the “U” bolt to the shaft with a 8mm
wrench to a torque of 60 in.lb. [6,7 Nm].
4. Slide the mounting bracket under the actuator. Ensure free
movement of the slot at the base of the actuator. The
bracket pin must be placed in the mid distance of the slot.
5. Fix the bracket to the ductwork with #8 self-tapping screws.
Wiring Diagrams
3 wire / 3 point floating
1 2 3
DRIVE CW
COMMON
SUPPLY
DRIVE CCW
PC Board
BBT24
1 2 3
Terminal
JP1 6 7 8 9 10 11
JP2 Switches terminal
Only on model AAX
Potentiometer
Only on model AP
Feedback terminal
Only on model AP
Stroke adjustment
To adjust the stroke, move the adjustment screws at the desired position.