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Series 90
Modutrol IV
APPLICATION
The Series 90 Modutrol IV
non-spring return modulating proportional control motors. Use
these motors with controllers that provide a Series 90 output
to operate dampers or valves.
™
Motors
™
Motors are spring return and
FEATURES
• Replaces M934A,D, M941, M944A,C,D, M945A,D,F,
M954, M965, and M975 motors.
• Integral junction box provides NEMA 3 weather
protection.
• Integral spring return returns motor to normal position
when power is interrupted.
• Motor and circuitry operate from 24 Vac. Models
available with factory installed transformer, or a field
added internal transformer.
• Quick-connect terminals are standard-screw terminal
adapter is available.
• Adapter bracket for matching shaft height of older
motors is available.
• Motors have field adjustable stroke (90° to 160°).
• Die-cast aluminum housing.
• Integral auxiliary switches are available factory
mounted, or can be field added.
• Nominal timing standard of 30 seconds (90° stroke),
and 60 seconds (160° stroke). Other timings available.
• Spring return motors can operate valve linkages form
power end or auxiliary end shafts for normally closed
or normally open valve applications.
• All models have dual shafts (slotted and tapped on
both ends).
• All models have auxiliary switch cams.
• Fixed torque throughout the entire voltage range.
• Motors are designed for either normally open or
normally closed valves and dampers.
• Field addable interface modules can be mounted in the
junction box to upgrade the motor to Series 70
(electronic) control.
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Wiring ...............................................................................
Settings and Adjustments ................................................. 10
Operation .......................................................................... 11
Checkout .......................................................................... 13
Replacement .................................................................... 13
PRODUCT DATA
Contents
1
1
2
2
7
63-2631-07
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Table of Contents
Related Manuals for Honeywell M9184 series
Summarization of Contents
Product Data
Features
Key features of the Series 90 Modutrol IV™ Motors, including replacement compatibility and construction.
Application
Description of Series 90 Modutrol IV™ Motors and their use in operating dampers or valves.
Specifications
TRADELINE Models
Explanation of TRADELINE models, their packaging, handling, and replacement value.
Modutrol IV Order Number Guide
Guide for determining the correct Modutrol IV motor order number using Table 1.
ORDERING INFORMATION
Information and contact details for purchasing replacement and modernization products.
Installation
When Installing this Product
Instructions and precautions to follow before and during product installation.
Safety Precautions
Important safety warnings regarding electrical shock, equipment damage, and motor damage.
Location
Guidelines for selecting an appropriate installation location for the Modutrol IV motor.
Mounting
Adapter Bracket
Details on the 220738A Adapter Bracket and its applications.
Damper Linkages
Information on mounting damper linkages, including the need for a crank arm.
Valve Linkages
Requirements for using the 220738A Adapter Bracket with specific valve linkages.
Wiring
Typical Series 90 Wiring
Illustrates typical wiring connections for Series 90 Modutrol IV™ Motors.
Potentiometer Control Wiring
Wiring diagram for controlling Series 90 motors using a 135 ohm potentiometer.
Reversing Motor Rotation
Instructions on how to reverse motor rotation by switching specific wires.
Slaving Applications
Configuration Table
Details on motor configuration settings for symmetrical and asymmetrical motors in slaving.
Resistor Tables
Resistor values required for slaving Series 60 and Series 90 motors in parallel.
Settings and Adjustments
Before Setting Stroke
Steps to take before adjusting the motor's stroke, including disconnecting the controller.
Stroke Adjustment Procedures
Instructions for setting stroke on Series 2 and Series 3 motors using potentiometers.
Auxiliary Switch Adjustment Details
Details on adjusting auxiliary switch cams and their differential settings.
Operation
Standard Series 90 Operation
Description of standard Series 90 Modutrol IV motor operation using potentiometers and a bridge circuit.
Auxiliary Switch Operation Notes
Notes on auxiliary switch differential and switching action based on wiring.
Checkout
Operational Verification
Procedure to verify motor operation, controller response, and auxiliary switch function.
Replacement
Application-Specific Replacement
Procedures for replacing motors in damper and valve applications, covering linkages and brackets.
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