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 52
5
4
3
210
This product meets the requirements of CE
ML7295E DAMPER ACTUATORS
EN0B-099GE02 R1298 2
OPERATION / FUNCTIONS
Rotary Movement
1) Left or right direction of rotation by choosing the
right side of the damper actuator body.
2) If the power supply switched on, the actuator will follow the
output signal of the controller.
3) Nominal torque of 16Nm for damper areas up to 3m2.
Spring return
1) In a section of a ventilation plant, for having a safe
closing by spring return in case of power failure. The return
spring will turn the actuator back to 0°direction of rotation.
2) Preload tension of 5°for a safe closing.
Position indication
1) The position indicator (Fig. 1., Pos. 3), which is pinned
up on the actuator hub, shows the angle of rotation (11).
2) This actuator provides an electronic feedback signal (2 to
10Vdc). This feedback signal provides indication of the
motor output hub position.
Manual adjustment
The actuator can be turned in any rotary position by an
hexagon socket wrench (in the scope of the equipment)
and locked by a screwdriver. To unlock just by screwdriver
or connect the actuator with the power supply.
Limitation of angular rotation
The angular of rotation can be set between 0°and 90°in
adjustment steps of 5°.
Auxiliary switches
The switching points of the auxiliary switches A and B can
be set independent of each other in the range of the an-
gular of rotation in adjustment steps of 5°.
CAUTION
NOTE
These type of actuators must be ordered with or without
auxiliary switches. The integration of these switches
afterwards is impossible.
Type range
Order Number Control Signal Cable length Auxiliary switches Output signal
ML7295E1007 0 to 10Vdc 0.9m - 0 to 10Vdc
ML7295E1015 0 to 10Vdc 0.9m 2 0 to 10Vdc
4
613Z14
A
B
STOP
2
3
6
9
1
0
1
1
1
7
4
5
8
9
0°
- 5°
1 Housing
2 Self centering shaft coupling
3 Position indicator
4,5 Axis for auxiliary switches
6 Lock axis for the gear mechanism
7 Torsional protection
8 Connecting cable for auxiliary switches
9 Connecting cable for power supply, signal input
and feedback signal
10 Keyhole for manual adjustment
11 Printed angular of rotation
Fig. 1. Setting units and control elements
ML7295E DAMPER ACTUATORS
3 EN0B-099GE02 R1298
INSTALLATION
The actuator is designed for dual point mounting/installation.
The mounting instructions are enclosed with the actuator.
Auxiliary switches (see type range)
1) The figure below shows the relation between the adjust-
able switching point and the angular of rotation.
2) The axis of the auxiliary switches are rotating if the actua-
tor is in motion. The printed scales are only usable if the
actuator is in position 0°.
WIRING
M
A
100%
0%
(L)
(Y)
(N)
(U)
24S2 S3 S5 S6
1 3 S1 S4
B
AB
-5° 0° 10° 20° 30° 70° 80° 90°
0° 10° 20° 30° 70° 80° 90°
4637D03
Position for self centering
shaft coupling
Printed angular of rotation
Adjustable steps 5°,
Hysteresis 2°
Auxiliary switches
setting range
80
70
60
50
B
90
Aux Switch
Adjustment
20
30
40
10
20
40
A
70
4637Z07
Connecting cable for No. Colour Name
Supply and signal lines 1
2
3
4
red
black
gray
pink
24Vac
24Vac ground
Input 0...10Vdc
Position indicator 2...10Vdc
Auxiliary switches
(only ML7295E1015)
S1
S2
S3
S4
S5
S6
grey / red
grey / blue
grey / pink
black / red
black / blue
black / pink
Switch A(12°) input
Switch A(12°) normally closed
Switch A(12°) normally open
Switch B(82°) input
Switch B(82°) normally closed
Switch B(82°) normally open
ML7295E DAMPER ACTUATORS
EN0B-099GE02 R1298 4
ACCESSORIES
Description Order Number
Rotary linear adapter,
frame mounting kit 210033
Rotary linear adapter,
foot mounting kit 210034
Rotary linear set for duct mounting ASK71.4
ML7295E DAMPER ACTUATORS
5 EN0B-099GE02 R1298
DIMENSIONS
Fig. 2. Dimensions ML7295E in mm [inch]
ML7295E DAMPER ACTUATORS
Honeywell Regelsysteme GmbH Helping You Control Your World
Honeywellstr. 2-6
D-63477 Maintal
Tel. (0 61 81) 401-1
Fax (0 61 81) 401-400
Subject to change without notice. Printed in Germany.
EN0B-099GE02 R1298
DIN
EN ISO 9001
Manufacturing location is certified according to
This manual suits for next models
2
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