Honeywell MS4103 ユーザーズマニュアル

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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.
Unitary Valve Actuator
VC Series Fail Safe Proportional Actuators