Greenheck AM-674 User Manual

ies

-60xx

MS41-60xx Series

Non-Spring Return DuraDrive® Modulating Actuator

The DuraDrive direct coupled 24 Vac non-spring
return rotary electric actuators are designed for
modulating control of dampers.

Features:

• Compact, lightweight design.

• Self-adapting capability for maximum flexibility in damper
positioning.

• Manual override.

•5

q offset from 0q as shipped from factory.

• Offset and slope (zero and span) adjustment models
available.

• Independently adjustable dual auxiliary switches available.

• CUL and UL listed; CE certified.

• 0 to 10 Vdc feedback output.

0

9

45

0

9

US

LISTED

Model Chart

Damper Actuators.

Output Torque

Rating

Model No.

lb.-in.
(N-m)

Minimum 50 Hz 60 Hz

MS41-6043

MS41-6043-520 Yes None

MS41-6043-522 Yes Two

35 (4)

MS41-6043-502 None Two

MS41-6083

MS41-6083-520 Yes None

MS41-6083-522 Yes Two

70 (8)

MS41-6083-502 None Two

Valve Actuator/Linkages.

Model No.

a

Linkage

(Included)

MS41-6043-200
MS41-6043-202 Yes
MS41-6083-200 No

AV-603 24 Vac + 20% - 15% 3.3

MS41-6083-202 Yes

a Refer to Valve Catalog, F-27384 for correct applications.

Actuator Power Input

Voltage

Running

24 VAC

+20%-15%

VA

VA

Slope/Offset

Adjustable

(Zero Span)

SPDT
Auxiliary
Switches

None None

3.3
None None

Actuator Power Input 50/60 Hz.

Voltage

Approximate Timing in
Seconds @ 70°F (21°C)

with No Load

108 90

150 125

SPDT Auxiliary

VA

Running

Shaft Size

3/8" to 5/8"

dia.

1/4" to 1/2"

sq.

9/16" hex

Switches

No

175

MS41-60xx Series

Specifications

Inputs

Control signal

Power

Connections 3 ft. (0.9 m) long, 18 AWG leads, plenum-rated.

Outputs

Electrical

Mechanical

Environment

Ambient temperature limits

Humidity 5 to 95% RH, non-condensing.

Locations NEMA 2, IP54 to EN60529.

Dimensions 5-7/16 H x 2-3/4 W x 2-3/8 D in. (138 x 70 x 60 mm ).

Agency Listings

UL UL-873, Underwriters Laboratories.

European Community

CUL Canadian Standards C22.2 No. 24-93.

General Instructions Refer to F-27214.

MS41-60x3: Proportional, 0 to 10 Vdc; input resistance 100K:Control signal adjustment available

with MS41-60x3-522 and MS41-60x3-522. Start point (offset): 0 and 50 Vdc (factory setting = 0 Vdc)
Span 2 to 30 Vdc.

24 Vac, +20%-15%, rated Class 2, Class III per EN60730.
MS41-6083: 24 Vac +20%/-10% at 90 to 130qF (32 to 55qC) ambient. Half wa

Output voltage: 0 to 10 Vdc.

Maximum output current: 1 mA.

MS41-60xx-502 auxiliary switch contact rating:
AC Rating: 24 Vac, 4A Resistive, 2A Inductive.
DC Rating: 12 to 30 Vdc, DC 2A.

Switching hysteresis: 2q

Switch range: Switch A: 0 to 90q range in 5q intervals; Recommended range usage: 0 to 45q; Factory

etting: 5qSwitch B: 0 to 90q range in 5q intervals; Recommended range usage: 45 to 90q; Factory

s
setting: 85q.

Timing: See Model Chart.

Output torque rating: MS41-6043, 35 lb-in. (4 N-m); MS41-6083, 70 lb-in. (8 N-m).

Stroke: Normal angle of rotation is 90q, limited to a maximum of 95q. Field adjustable to limit travel on
either end of stroke. MS41-60x3

Position indicator: Adjustable pointer is provided for position indication.

Shipping and Storage: -40 to 158qF (-40 to 70qC).
Operating: -25 to 130qF (-32 to 55qC).

EMC Directive (89/336/EEC). Emissions (EN50081-1). Immunity (EN50082-2).

-52x have adjustable start point and span.

ve device.

Accessories

Model No. Description

AM-726 Rotary to linear bracket.
AM-727 Rotary to linear crank arm adaptor.
AM-728 Conduit adaptor.
AM-729 3/8 in. shaft adapter.
AV-603 1/2 to 2 in. Vx-7xxx valve linkage.

176

Typical Applications

1

Line

Volts

24 Vac

Transformer

Black

Red

Common (2)

Hot (1)

MS41-60xx Series

MS41-6043

Vdc Control Signal

Feedback Signal

2 to 10 Vdc

(-)
(+)

(-)

(+)

Grey

Pink

AI (8)

AO (9)

Figure 1 Typical Wiring for Proportional Control, 24 Vac, 0-10 Vdc Input.

Switch A

(COM)

S1

Black Leads

S3 (N.O.)

S2 (N.C.)

Switch B

S6 (N.O.)

S5 (N.C.)

S4 (COM)

0 -10 Vdc

2 - 10 Vdc

output

Figure 2 Typical Wiring for Auxiliary Switch Models MS41-60x3-502, -522, or -202.

177