Greenheck Fan 41, 81 specifications Application, Features, Contents

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Series 41 and 81 Modutrol IV™ Motors

PRODUCT DATA

APPLICATION

The Series 41 and Series 81 Modutrol IV Motors are

2-position (line- and low- voltage, respectively) spring-return motors. They are used to operate dampers or valves in applications where it is necessary or desirable to have the controlled element return to the starting position in the event of power failure or interruption.

FEATURES

•Used to replace M445, M845 and M865 motors.

•Models rated for 25 lb.-in. or 60 lb.-in. torque.

•Integral spring return returns motor to normal position (open or closed) when power is interrupted.

•Oil immersed motor and gear train for reliable performance and long life.

•Wiring box provides NEMA 3 weather protection.

•Motor operates from 24 Vac. Models are available with factory installed transformer, or an internal transformer can be field added.

•Quick-connect terminals are standard—screw terminal adapter is available.

•Adapter bracket for matching shaft height of older motors is standard with TRADELINE motors.

•TRADELINE motors have field adjustable stroke (90° to 160°).

•Die-cast aluminum housing.

•Motors are designed for either normally open or normally closed valves and dampers.

•Integral auxiliary switches are available factory mounted, or can be field added to TRADELINE models.

•TRADELINE motors may operate valve linkages from the power end or auxiliary end shafts for normally closed or normally open valve applications.

 

Contents

Application

1

Features

1

Specifications

2

Ordering Information

2

Installation

4

Settings and Adjustments

7

Operation and Checkout

10

Replacement

11

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Contents Contents FeaturesApplication Modutrol IV Order Number Guide See Table Dimensions See Fig SpecificationsOrdering Information Electrical Ratings See TableAmbient Temperature Ratings Maximum Damper Rating B Dimension 25 lb.-in. Models 68Accessories Torque and Timing See Table ApprovalsWhen Installing this Product InstallationLocation Mounting Wiring Box WiringDamper Linkages Valve LinkagesStroke Setting Settings and AdjustmentsBefore Setting Stroke Setting Stroke Fig Auxiliary SwitchesAuxiliary Switch Adjustment Equipment Damage Hazard Can damage the motor beyond repair Operation Operation and CheckoutCheckout Damper ApplicationDamper Application ReplacementValve Application Valve ApplicationHome and Building Control

41, 81 specifications

Greenheck Fan 81,41 is a robust and highly efficient indoor air handling unit designed to meet the demands of modern commercial and industrial environments. Renowned for its versatility, this model provides optimal performance and reliability, making it a popular choice among HVAC professionals.

One of the standout features of the Greenheck Fan 81,41 is its advanced motor technology. The unit is equipped with high-efficiency motors that contribute significantly to energy savings. These motors not only reduce operational costs but also comply with the latest energy regulations, making the unit an eco-friendly choice for clients looking to minimize their carbon footprint.

The fan's design includes a premium backward-inclined impeller, which helps in improving the overall aerodynamic efficiency of the system. This impeller design not only minimizes noise levels but also enhances static pressure capabilities, ensuring that the system operates quietly and efficiently under various load conditions.

Incorporating cutting-edge control technologies, the Greenheck Fan 81,41 offers flexible integration with building management systems. Its compatibility with variable frequency drives enables precise speed adjustments, optimizing airflow as per the required demand. This feature also enhances system responsiveness, contributing to better indoor air quality.

Built with durability in mind, the unit features a robust construction that can withstand challenging environmental conditions. The casing is often made from galvanized steel, with optional powder coating for additional corrosion resistance. This ensures a long lifespan and reduced maintenance costs, making it a wise investment for any facility.

Another key characteristic of the Greenheck Fan 81,41 is its modular design, which allows for easy installation and maintenance. The unit is designed to fit into tight spaces without compromising its performance. Moreover, the accessibility of components within the unit allows for quick servicing, minimizing downtime.

In summary, the Greenheck Fan 81,41 stands out with its energy-efficient motors, advanced aerodynamic design, integration with modern control systems, durable construction, and ease of maintenance. These features make it an essential component for efficient air handling in various commercial and industrial applications, ensuring optimal performance and longevity.
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