Dwyer DDD - Manual

Series DDD 88, 132, 177, 265 in-lb Modulating Damper Actuator
Specifications - Installation and Operating Instructions
Bulletin V-22
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
DDD Series Direct Coupled Actuators are non-spring return actu-
ators that are perfect for positioning of dampers and valves in HVAC
systems. Actuators are designed to accept 4 to 20 mA or 0 to 10 VDC
modulating control signals and are 24 VAC powered. Actuators pro-
duce 88 to 265 in-lb (10 to 30 Nm) of torque. Unit features a 0 to 10
VDC feedback signal of damper position.
Features
• Direct mount.
• Actuator travel indicator.
• Overload protection.
• Manual override.
• Modulating 4 to 20 mA or 0 to 10 VDC control signal.
• Position feedback signal.
• 60,000 cycles nominal.
SPECIFICATIONS
Power Requirements: 24 VAC, ±10%, 50/60 Hz, single phase.
Power Consumption: 7.5 VA.
Control Input: 4-20 mA or 0-10 VDC.
Overload Protection: Magnetic clutch.
Angle of Rotation: 95° (mechanically adjustable).
Accuracy: +/-5%.
Fits Shaft Diameter: 0.4”-0.75” (10-20 mm).
Position Indication: Visual indicator.
Direction of Rotation: CW/CCW.
Running Time: 88 in-lb: 66 sec., 132 in-lb: 90 sec., 177 in-lb:
110 sec.; 265 in-lb: 143 sec.
Electrical Connection: Terminal block, 18 AWG.
Manual Override: Push button.
Temperature Limit: -22 to 122°F (-30 to 50°C).
Sound: <45 dB.
Life Expectancy: 60000 full cycles.
Housing: NEMA 2 (IP42).
Standard Accessories: (2) imitative baffles, (2) baffle setscrews,
(1) setting bracket.
Weight: 2.98 lb (1.35 kg) 88, 132 in-lb models; 3.79 lb (1.72 kg)
177, 265 in-lb models.
F
A
B
D
E
C
10 Nm & 15 Nm
(88 in-lb) (132 in-lb)
20 Nm & 30 Nm
(177 in-lb) (265 in-lb)
4-17/64
(108.35)
4-57/64
(124.22)
6-55/64
(174.23)
7-23.32
(196.06)
2-49/64
(70.25)
2-23/32
(69.06)
1-35/32
(39.19)
1-1/32
(26.19)
1-15/64
(31.35)
1-25/64
(35.32)
Size A B C D E F
FUNCTION TESTING
Press the manual button on the back of the actuator. The gearing
inside the actuator will break away. The damper can be operated
manually while pressing the manual button. DO NOT OPERATE
WHEN POWER IS ON!
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