Honeywell MS4103 manual VC Series Fail Safe Proportional Actuators

Models: MS4103

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Unitary Valve Actuator

VC Series Fail Safe Proportional Actuators

Control central heating and/or cooling systems, fan coil systems, radiators and convectors. Depending on the model selected, it can be controlled by either a low or line voltage SPST or SPDT or floating or modulating controller such as a room thermostat, Aquastat control, flow switch or a 0/ 2 to 10 Vdc controller.

SPECIFICATIONS

 

Actuator Type

Valve

Control Signal

2-10 Vdc modulating

 

24 Vac pulse width modulating

 

24 Vac floating or

 

24 Vac on-off

Fail Safe Mode

N.O. or N.C., switchable

 

electronic

Cable Entry

Molded strain relief, conduit

 

clamp

Electrical Protection

Double Insulated

Ingress Protection Rating

IP40

Electrical Connections

Plenum-rated cable

Electrical Connection Length

5 ft. plenum rated

 

(1.5 m plenum rated)

Frequency

50 Hz; 60 Hz

Manual operation

Lever

Mounting

Direct Coupled

Shaft Adapter Type

Self-alignment

Stroke

0.4 in. (10 mm)

Supply Voltage

24 Vac

Timing, Nominal Driving at 60 Hz

60 sec. or 120 sec.

Power Consumption, Driving

12 Watts, 18 VA inrush

Materials

Plastic housing

Operating Humidity Range (% RH)

5 to 95% RH, non-condensing

Medium Temperature

203 F (95 C)

Ambient Temperature Range

32 F to 150 F (0 C to 65 C)

Temperature Ratings (Shipping)

-40 F to 150 F (-40 C to 65 C)

Storage Temperature Range

-40 F to 150 F (-40 C to 65 C)

Weight

0.84 lb (0.38 kg)

Includes

3/8 in. flex conduit adapter,

 

valve body

APPROVALS

 

Canadian Standards Association

CSA Certified: LR1322-367

CE

89/336/ECC, 73/23/EEC

Underwriters Laboratories, Inc

Listed 94-5V

 

 

FEATURES

Use with two-way or three-way valves.

Minimal actuator power consumption.

Double insulated actuator.

Five foot plenum-rated cable electrical connections available.

Quick and easy replacement of moving parts.

Actuator head installation does not require draining the system.

Selectable/switchable electronic fail safe normally open or normally closed

Includes valve bodies.

All VC Series actuator-valve combinations provide 60 psi close-off.

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Honeywell MS4103 manual VC Series Fail Safe Proportional Actuators