M7284C1000 Honeywell Actuator (Modutrol IV, Non-Spring Return, 120 V)

Overview

The Honeywell M7284C1000 is a foot-mounted, non-spring return modulating actuator in the Modutrol IV line. Engineered for HVAC and control systems, it offers 150 lb-in torque, adjustable stroke (90° to 160°), and dual internal auxiliary switches. This actuator allows smooth proportional control via 4–20 mA input, making it ideal for valves or dampers requiring precise positioning.

Specifications

Features & Benefits

• Precise proportional control using 4–20 mA input

• Adjustable stroke allows customization for different valve/damper ranges

• Two internal auxiliary switches support system integration or alarm logic

• Rugged housing and wide temperature tolerance make it suitable for harsh environments

• Dual shaft design offers flexibility in linkage or connection

• Foot-mounted layout simplifies integration in many mechanical installations

Applications

• Modulating control of HVAC dampers

• Valve actuation in hydronic, steam, or chilled systems

• Retrofit replacements for older actuators

• Integration into building automation systems and control panels

Installation & Maintenance Tips

• Verify wiring and signal calibration prior to operation

• Set zero and span limits to match valve/damper travel

• Ensure actuator linkage is free and nonbinding

• Periodically inspect auxiliary switch settings and adjustment

• Avoid manually forcing the shaft — that may damage internal gearing