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

10 20

70 40

10 52

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

613Z14

STOP

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

100%

(L)

(Y)

(N)

(U)

24S2 S3 S5 S6

1 3 S1 S4

-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

Aux Switch

Adjustment

4637Z07

Connecting cable for No. Colour Name

Supply and signal lines 1

red

black

gray

pink

24Vac

24Vac ground

Input 0...10Vdc

Position indicator 2...10Vdc

Auxiliary switches

(only ML7295E1015)

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

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