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35105
Specifications and Installation Instructions
The DuroZone 35105 2 wire spring return damper motors are designed as drop in replacements for Honeywell’s M847D series motors on popular ZD and ARD dampers, including M847D1004, M847D1012, and many other damper actuators that use the same footprint.
Please review these specifications and dimensions carefully to ensure correct fit and function for your application.
SPECIFICATIONS:
• Voltage: 24vac ± 10%, 60 Hz, 0.36A
• Torque Rating: Power open 32 in. oz./spring close 32 in. oz.
• Speed Stroke: Motor driven 30 sec./spring return 6 sec.
• Rotating Angle: 93.5º
• Noise Level: Very quiet operation
• Reliability: Statistical life reliability exceeds 120,000 cycles for over 15 years of exceptional operation
INSTALLATION:
CAUTION - Disconnect power supply before connecting motor wiring to prevent electrical shock or equipment damage.
• Using a 3/16” hex wrench loosen the motor coupling from the blade shaft and remove the existing motor assembly.
• Ensure that the damper blades are in the correct installation position:
• Damper attached to zone control system is normally open - make sure damper is in the open position.
• Damper attached to thermostat or switch is normally closed - make sure damper is in the closed position.
✧Can’t tell if your damper is open or closed - please go to www.RetroZone.com and click on Technical Resources.✧
3. Loosen the set screw on the motor collar.
4. Place the actuator onto the damper shaft and insert the anti-rotation pin into the anti-rotation pin hole.
• If the damper shaft is a tight fit in the coupling, you can use sandpaper to smooth the damper shaft, which will allow you to fit the damper shaft into the coupler.
5. Double check that your damper blade and shaft are in the correct installation position for your application, then lock the collar onto the damper shaft by tightening the set screw on the collar.
6. Reconnect the motor wiring. Since these are AC motors, there is no polarity and either of the motor wires may be used in either position - orange and yellow wires are provided to match the original motor wires.
