Honeywell ML7420 User's Manual

Honeywell Automobile Parts User's Manual - ML7420.
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PRODUCT DATA

63-2533-03

ML6420, ML7420 

Non-Spring Return 

Electric Linear Valve Actuators

APPLICATION

The ML6420 Non-Spring Return Electric Linear Valve 

Actuators are floating control actuators used with controllers 

that provide a switched or floating single-pole double-throw 

(spdt) output. These actuators operate standard Honeywell 

valves in heating, ventilating, and air conditioning (HVAC) 

applications.

The ML7420 Non-Spring Return Electric Linear Valve 

Actuators are modulating control actuators used with 

controllers that provide an analog output of 0 to 10 Vdc or 2 to 

10 Vdc. These actuators operate standard Honeywell valves 

in HVAC applications. An internal selector plug can be used to 

reverse the direction of action.

FEATURES

• Quick and easy installation.

• No separate linkage required.

• Conduit connector is standard.

• No adjustments required.

• Low power consumption.

• High close-off ratings.

• Force-limiting end switches.

• Manual operator.

• Synchronous motor.

• Corrosion resistant design.

• Maintenance free.

• Direct/reverse acting with ML7420.

• Position feedback signal included with ML7420.

• Selectable 0 to 10 Vdc or 2 to 10 Vdc signal input with 

ML7420.

Contents

Application ........................................................................

1

Installation ........................................................................

3

Ordering Information  ........................................................

2

Operation ..........................................................................

7

Checkout ..........................................................................

8

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