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Dodge Engineering & Controls, Inc. Installation
Toll Free (877) 334-2875 Fax: (978) 244-1422
EN221 and EN310 Non-Spring Return Electronic Actuators
a. Actuator
b
b. U-bolt shaft adapter
d
c. Position indicator
d. Shaft adapter locking
a
clip
g
e
e. Position indicator
f
adapter
f. Mounting bracket
c
g. Mounting screws
Figure 1. Parts of the EN221 and EN310 Actuators.
Product Description
Prerequisite
This installation instruction describes the steps for
direct-coupled
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>77 mm >3 in >20mm <77 mm >3/4 in <3 in Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators For Tandem Applications CAUTION: No more than three actuators are to be used • The direction of rotation switches must be in tandem applications. set identically on both actuators according to NOTE: EN310B2, containing offset and span the clockwise or counterclockwise rotation of features, ca
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>77 mm >3 in >20mm <77 mm >3/4 in <3 in Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators d 6 c 3 4 b 2 5 LONGER SHAFTS PUSH a 1 SHAFT ADAPTER NOTE: 90 ALIGNMENT 90 3 d MARK Place the shaft b 90 90 adapter next to the 2 4 7 alignment mark e c a keeping the mark 1 visible. 5 SHORTER 6 SHAFTS PUSH Figure 5. Shaft Adapter Placement for Counterclockwise Rotation on Short and Long S
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators 3. Return the actuator gear train to the "0" position Manual Override using the steps which follow for the clockwise or To move the damper blades without power present, counterclockwise damper shaft rotation. do the following: Clockwise-to-open: 1. Hold down the PUSH button. a. Insert the shaft adapter to the right as close as 2.
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N O I T A T O R F O < 90 E L G N A Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators 90 90 90 PUSH 90 PUSH Figure 12. 4. Determine the angle of rotation for the damper Figure 13. blade shaft. Subtract that amount from 90°. 6. Attach the clip. 5. Remove the shaft adapter and insert it with the position indicator pointing to mark on the scale 7. Rotate the damper blade shaft to it
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Factory setting: Switch A 5° 10 Switch B 85° 20 A AUX 40 70 SWITCH 20 To change the settings of A and B: 90 ADJ 30 80 B 40 70 • Make sure the actuator is in the 0 position. The 50 60 scale is valid only in the 0 position. • Use a flat-blade screwdriver to turn the switch adjustment dials to the desired setting at which a signa
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Y (%) S Settings: 100 Offset U0 = 2, Span: ∆U = 16V Umin = minimum control signal Umax = maximum control signal 50 0 Y (v) 21 108 U Uo ∆ U (16 V) Umin Umax Figure 19. Example. Wiring WARNING: • All wiring must conform to NEC and local codes Mixed switch operation is not permitted and regulations. to the switching output
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Three-Position Control (24 VAC) Modulating Control (24 VAC) 8 9 7 6 S1 S4 S1 S4 A B A B M M S2 S3 S5 S6 1 2 S2 S3 S5 S6 1 Figure 22. Figure 21. Table 2. Modulating Control 24 VAC. Table 1. Three-Position Control 24 VAC. Standard Function Color Standard Function Color Symbol Symbol Plenum Plenum 1 Red (+) 1 (
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Start-Up/Commissioning Three-Position Control, 24 VAC 1. Check that the wires are connected correctly. 2. Connect wires 1 (red) and 6 (violet) to a Digital Multimeter (DMM) with the dial set at VAC. Apply a control signal (24 VAC) to wire 6 to verify that the operating voltage is within range. 3. Connect wires 1 (red) and 7 (orange
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Modulating Control, 24 VAC 1. Check that the wires are connected correctly. 2. Check that the offset (start point) and span are set correctly, if used. 3. Check that the direction of rotation switch matches the rotation of the damper shaft. 4. Connect wires 1 (red) and 2 (black) to a Digital Multimeter (DMM) with the dial set at VA
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˚ 5 9 Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Dimensions min. 4 in. 100 mm 2 1/4 in. 57 mm 1-1/8 in. 28 mm 11 in. 3-3/8 in. 279 mm 86 mm min. 8 in. min. 1/4 in. 200 mm 7 mm 7-3/4 in. 9 in 197 mm 230 mm 25/32 in 20 mm 1-11/32 1-11/32 3-15/16 in. 34 mm 34 mm 100 mm min. 2-1/2 in. 60 mm OPENING FOR 3/8" FLEX CONDUIT (3 PLS) 11/32 in. 10 mm 1-23/32 in. 30 mm 1.1 in.
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∞ 5 9 Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators 3 1/8 in. 1/2 in. 78 mm 13.5 mm 9 in. 9 in 230 mm 230 mm 3 5/8 in. 1 13/16 in. 25/32 in 92 mm 46 mm 20 mm ASK73.1U 985-006 Figure 24. Dimensions of the Mounting Brackets used in Tandem Applications in Inches (Millimeters). min. 4 in. 100 mm 2 1/4 in. 57 mm 11 in. 279 mm min. 8 in. min. min. 1/4 in. 200 mm 1/4 in. 7 mm 7mm 7-3/4
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators Sizing Actuators for Damper Applications The number of actuators required depends on several factors. To determine the quantity of actuators required for the installation: 2 2 • Obtain damper torque ratings (ft-lb/ft or Nm/m ) from the damper manufacturer. • Determine the area of the damper. • Calculate the total torque required t
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators ACCESSORIES NOTE: The auxiliary switches and/or the control signal adjustment cannot be added in the field. Order the product number that includes the option(s), if required. ASK71.1U This kit allows foot mounting of the actuators. This kit should be used for in-the-airstream applications, and generally, anywhere a foot-mounted ac
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Dodge Engineering & Controls, Inc. Installation Toll Free (877) 334-2875 Fax: (978) 244-1422 EN221 and EN310 Non-Spring Return Electronic Actuators ASK73.1 This bracket provides an extended anti- rotation pin that allows two 3-position EN310 actuators to directly drive a single damper shaft. Figure 5. Tandem Mount Bracket. 985-004 The self-centering shaft adapter will attach to a shaft up to 1.00 inch (25.4 mm) in diameter. (The special shaft adapter will attach to a 1.05-i
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Dodge Engineering & Controls, Inc. Toll Free (877) 334-2875 EN221 and EN310 Non-Spring Return Electronic Actuator Installation Guide General Installation ..................................................................................................EAI/EN – 1 Mounting...................................................................................................................EAI/EN – 1-3 Manual Override ..............................................................
