Installation Instructions D- Series
Date October 6, 2003
D-70, D-140, D-210, and D-280 Series
Electric Non-Spring Return Actuators
(8, 16, 24, and 32 N·m)
Mount D- Series actuators in any convenient
Install the actuators on a 3/8 to 3/4 in.
to 19 mm) round shaft or a 3/8 to 5/8 in.
to 16 mm) square shaft, 2 in. (51 mm) or longer. If
shaft is less than 2 in. (51 mm) long, install an
recommended by the damper or valve
RTANT: The D- Series actuators are
intended to control equipment under normal
operating conditions. Where failure or malfunction of
a D- Series actuator could lead to an abnormal
operating condition that could cause personal injury
or damage to the equipment or other property, other
devices (limit or safety controls) or systems (alarm
or supervisory) intended to warn of, or protect
against, failure or malfunction of the D- Series
actuator must be incorporated into and maintained
as part of the control system.
mount the actuator, proceed as follows:
and hold the gear release lever, and rotate
coupler to the 0 or 90° position. Release the
release lever. (See Figure 1.)
Note: is the distance from the center of the
holes in the anti-rotation bracket to the center
of the shaft. (See Table 1 for dimensions.)
ta D- Series actuator
A-160 anti-rotation bracket
• two No. 12-24 x 1/2 in. self-tapping hex
Include one DDA-105 pluggable 3-terminal block
Include two DDA-105 pluggable 3-terminal blocks
Include three DDA-105 pluggable 3-terminal blocks
1: Mounting Positions
Special Tools Needed
1: Shaft Sizes and Distances from the
Bracket to Shaft Center
• torque wrench with 10 mm socket
voltmeter or DDA-200 commissioning tool
(for the models with zero and span
Diameter 5/8 in. 1/2 in. 3/8 in.
F igure 1.)
in. 6-3/16 in. 6-1/4 in.
155 mm 157 mm 159 mm
IMPORTANT: The actuator is intended for
indoor mounting only, with no direct exposure to
water beyond NEMA 2 conditions. Use an
appropriate shield or enclosure where the
environment exceeds NEMA 2 specifications.
2. Bend or cut the anti-rotation bracket to fit the
frame or duct as shown in Figure 2.
© 2003 Delta Control Products, Inc. 1
Part No. 34-636-836, Rev F www.deltacp.com