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Dungs EMP-5 Installation Instruction

Current or voltage input drive modulating actuator
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EMP-5
Current or Voltage Input
Drive Modulating Actuator
Installation Instruction

Table of Contents

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Operation Description . . . . . . . . . . . . . . . . . . . . Page 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Standard Wiring of EMP-5 . . . . . . . . . . . . . . . . . Page 4
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
Technical Tips and Data . . . . . . . . . . . . . . . . . . . Page 7
Troubelshooting . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8

Approvals

UL Listed: UL 873 and CSA C22 .2 No . 24-93

Attention

Explanation of symbols
1, 2, 3 . . .
= Action
•
= Instruction
1 ... 9
USA
CDN
The installation and maintenance
of this product must be done
under the supervision of an ex-
perienced and trained specialist .
Never perform work if gas pres-
sure or power is applied, or in
the presence of an open flame.
Please read the instruction be-
fore installing or operating . Keep
the instruction in a safe place . You
find the instruction also at www.
dungs .com If these instructions
are not heeded, the result may
be personal injury or damage to
property .
Any adjustment and application-
specific adjustment values must
be made in accordance with
the equipment manufacturers
instructions .
Accessories & Replacement . . . . . . . . . . . . . . . Page 9
Safety
first
O.K.
IFGC
CSA
UL
ANSI
NFPA
On completion of installation on
the EMP, perform a function test .
This product is intended to be
used in combination with a con-
trol valve to modulate the flow of
gas or air .

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Summary of Contents for Dungs EMP-5

  • Page 1: Table Of Contents

    Standard Wiring of EMP-5 . . . . . . . . . . . . . . . . . Page 4...

  • Page 2: Specification

    EMP-5 The EMP-5 series actuators provide damper control or valve control where it is desirable to move the crank arm in either direction, or to stop it at any point in the stroke with a voltage or current input. These actuators are NEMA Type 4.

  • Page 3: Operation Description

    Replacing EMP-3 or EMP-4 with EMP-5 • When replacing an EMP-3 or EMP-4 with an EMP-5 and • Blue wire on EMP-3 is replaced with blue wire on EMP-5. if the high fire override is not used, then follow the wiring •...

  • Page 4: Standard Wiring Of Emp-5

    Standard Wiring of EMP-5 • Disconnect all power to the valves before wiring to prevent • Route the wires through the conduit. electrical shock and equipment damage. • Use 14 or 16 guage 2 or 4 conductor shielded cable for at •...

  • Page 5: Adjustment

    Adjustment Limit Switch Speed Adjustment The counterclockwise limit switch is factory set to stop the Actuator timing is varied by a slotted adjustment screw on actuator after 90° of travel. This setting can be changed in the the lower left side of the shaft (Models 424 & 454 only) field.

  • Page 6: Adjustment

    Adjustment NOTE: The minimum position current input (zero point) 3. With the desired current input for maximum position (typi- potentiometer and maximum position current input (span) cally 20mA), the actuator will drive towards 90 degrees. potentiometer can be physically turned indefinitely; but they Once the actuator stops, adjust the span potentiometer so have an effective limit of 25 turns.

  • Page 7: Testing

    Testing Side Box Test #1: Connect the drive’s leads to the cor- Actuator Test #2: If the side box test passes, then the actua- responding lead of a suitable current signal source (current tor can be tested. Disconnect the wires at terminals X, 2 and calibrator).

  • Page 8: Dimensions

    Dimensions 4” 6 5/16” 2 1/4” 102 mm 160 mm 57 mm 2 1/4” 2” 57 mm 51 mm 3 1/4” Mounting holes (3) 83 mm 17/64” (6.7 mm) Dia. 2 3/4” 70 mm 4 3/4” 7 1/4” 121 mm 184 mm 3 7/8”...
  • Page 9 NEMA 4 Cover (comes standard) 269239 We reserve the right to make modifications in the course of technical development. Karl Dungs, Inc . Karl Dungs GmbH & Co . KG 3890 Pheasant Ridge Drive NE P .O . Box 12 29 Suite 150 D-73602 Schorndorf, Germany Blaine, MN 55449, U .S .A .

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