Honeywell ML7295E - User Manual

EN0B-099GE02 R1298
ML7295E
Spring Return Damper Actuators 16Nm
for Modulating Control
GENERAL
These spring return damper actuators provide modulating
control for
•
Air dampers
•
Ventilation flaps
•
Louvers
•
VAV units
The actuator accepts a voltage signal from any electronic
controller to position the damper at any chosen point be-
tween fully open and fully closed.
FEATURES
•
Bi-directional fail-safe spring return
•
Self centering shaft coupling
•
Mounting directly on round damper shafts
•
Manual override
•
High visible position indicator
•
Dual and three point mounting (see accessories)
•
Feedback signal (0...10Vdc)
•
Dual adjustable auxiliary switches
•
Metal housing
SPECIFICATIONS
Supply voltage 24V; 50/60Hz
Power consumption: 9VA
Ambient operating limits -32 to +55
°
C
Ambient storage limits -32 to +70
°
C
Relative Humidity 5 to 95%, non condensing
Mounting
standard hub insert
round damper shafts: 8 to 26mm
square damper shafts: 6 to 18mm
minimum length: 20mm
Noise Rating: 45dB(A) max.
Auxiliary switches A and B
rating 2A
switch points 0...90
°
, adjustable
adjustment steps 5
°
Torque rating: 16Nm
Running time @ 50Hz
90
°
Stroke: 90s
Spring Return: 15s
Stroke: 90
°
Protection standard: IP54 per EN60529
Electromagnetic compatibility EN50081-1 / EN50081
Housing: aluminium diecast
Dimensions: see Fig. 2.
Weight: 2.2kg
PRODUCT DATASPECIFICATION DATA
A
B
10
20
30
40
50
60
70
80
90
70
40
20
90
30
25
20
15
10
5
2
5
4
3
2
1
0
This product meets the requirements of
CE

Honeywell ML7295E Specifications

General

Housing Material	Plastic
Power Supply	24 VAC/DC
Control Type	Floating, Modulating
Control Signal	Floating, 0…10 Vdc, 2…10 Vdc, 4…20 mA
Running Time	150 seconds

Summary

Operation and Functions of ML7295 E Actuator

Rotary Movement

Details the actuator's left/right rotation and response to controller signals, including torque.

Spring Return Mechanism

Explains safe closing function in case of power failure using return spring and preload tension.

Position Indication and Feedback

Describes the visual and electronic feedback signals indicating the actuator's hub position.

Manual Actuator Adjustment

Explains how to manually adjust and lock the actuator using a hexagon socket wrench.

Angular Rotation Limitation

Details how to set the angular rotation between 0° and 90° in 5° adjustment steps.

Auxiliary Switch Settings

Explains setting auxiliary switch points independently within the angular rotation range.

Installation and Wiring Guide

Auxiliary Switch Rotation Relation

Illustrates the relation between auxiliary switch points and the actuator's angular rotation.

Wiring Connections

Provides wiring diagrams and details for supply, signal lines, and auxiliary switches.

Available Accessories

Product Dimensions