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Honeywell Valve Actuators ML6984A4000/U

ML6984

Honeywell ML6421A, B non-spring return electic linear valve actuators are used with low-voltage, single-pole, double-throw (SPDT), Series 60 two-position and floating controlling. They operatre standard Honeywell valves in HVAC applications.

ML6984A4000/U

Non-spring return direct-coupled Valve Actuator with 160 lbf rated force

Overview

Honeywell ML6984 self-contained, self-adjusting linear motorized linkage mounts directly ont V5011 two-way or V5013 three-way valves and provides up to 25 mm of linear stem travel. Use with low-voltage three-wire SPDT Series 20 (on-off), Series 60 electromechanical or electronic output controllers.

Features

 

  • Allows one common transformer power supply to be used for multiple acutators and controllers
  • Self-contained, motorized valve linkage, which self adjusts to valve stroke of 12 to 25mm (1/2- to 1-in.)
  • Strong valve seat closing force of 160 lbf (710N)
  • Electronic current sensing provides internal protection and positive full-closing force
  • Compatible with three-wire control systems
  • One device for 24 Vac or 28 Vdc power supply application

 

Product Specifications

Application
HVAC
Dimensions (in.)
6 13/16 in. high x 4 in. wide x 3 3/16 in. deep
Dimensions (mm)
173 mm high x 102 mm wide x 82 mm deep
Includes
Screw terminals
Used With
V5011/13, VGF21, and VGF22 up to 3 in.; V5045 w/ 272629A
Weight (lb)
2.2 lb
Weight (kg)
1 kg
Materials
UV-stabilized plastic cover, aluminum base & yoke
Comments
3 or 5-wire operation.; (3-wire required for XL10 controllers)
Mounting
Screws onto 1/4-28 UNF threaded valve stem
Frequency
50 Hz; 60 Hz
Electrical Connections
Screw terminals
Operating Humidity Range (% RH)
15 to 95% RH at 104 F (40 C)
Supply Voltage
28 Vdc; 24 Vac
Power Consumption
Driving-- 6 VA, Holding-- 12 VA
Shipping and Storage Temperature Range (F)
-40 F to +150 F
Shipping and Storage Temperature Range (C)
-40 C to + 65 C
Ambient Temperature Range (F)
32 F to 130 F
Ambient Temperature Range (C)
0 C to 50 C
Switch Ratings
24 Vac
Environmental, Electrical or Ingress Protection Rating
NEMA 3R,NEMA 3R, IP54 (mounted in vertical position)
Internal Auxiliary Switch
0
Fluid Temperature (C)
150 C Maximum
Fluid Temperature (F)
300 F Maximum
Actuator Type
Valve
Control Signal
SPDT; Two position; Floating
Fail Safe Mode
Stays in place
Torque Rating (lb-in.)
160 lbf
Torque Rating (Nm)
710 N
Switches
SPDT w/ 272630D
External Auxiliary Switches Available
272630D
Stroke (in.)
1/2 to 1 in.
Stroke (mm)
13 to 25 mm
Cable
7/8 in. hole for 1/2 in. conduit
Timing, Nominal
Driving @ 60 Hz-- 63 at 3/4 in stroke
Feedback
Position feedback available w/ 272630D; 2-10 Vdc
Manual operation
None

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