Greenheck Fan 41, 81 specifications Mounting

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SERIES 41 AND 81 MODUTROL IV™ MOTORS

Mounting

 

 

 

 

Adapter Bracket

 

Use the following guidelines for proper motor mounting:

The 220738A Adapter Bracket, positioned between the motor

• Always install motors with the crankshaft horizontal.

and the equipment, raises motor shaft height by 19 mm to

• Mounting flanges extending from motor housing base are

match that of previous Modutrol® Motor models.

drilled for 6.4 mm machine screws or bolts.

The following applications require this bracket:

• Motors are shipped from the factory in their normal position:

— Normally closed models are shipped at the counter-

• Q607 External Auxiliary Switch.

 

 

clockwise rotation limit (viewed from the power end).

• Damper linkage applications require added clearance to

— Normally open models are shipped at the clockwise

allow:

 

 

rotation limit, (viewed from the power end).

— Crank arm rotation through the downward position.

 

 

 

 

 

 

 

 

 

— Sufficient damper linkage to reach the motor shaft.

NOTE: Refer to Fig. 2 for graphical representation of

• All valve linkages except the Q5001.

 

 

fully-open and fully-closed positions.

NOTE: When the bracket is not used in a replacement

 

 

 

 

 

 

 

 

 

 

 

VERTICAL

 

VERTICAL

 

application, the damper linkage can require

 

 

REFERENCE

 

REFERENCE

 

adjustment for the new shaft position.

 

 

 

 

 

 

 

 

FULLY

 

 

FULLY

 

 

 

 

 

CLOSED

10

CLOSED

To mount the motor with the bracket:

10

 

 

 

 

 

 

 

 

 

 

 

 

 

90

 

 

 

 

1.

Mount the bracket to the equipment with existing or

 

 

 

 

 

 

 

 

 

2.

standard bolts.

 

 

 

 

 

 

 

160

Using the provided bolts, mount the motor to the bracket

 

 

 

 

 

 

 

 

threaded holes. See Fig. 3.

 

 

 

 

 

 

 

 

 

 

 

 

 

FULLY

 

 

 

 

For valve linkage applications (other than the Q5001):

 

 

 

OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Mount the bracket to the linkage.

 

 

 

 

 

 

 

 

 

2. Position the motor on the bracket to align the motor

 

 

 

 

 

 

 

FULLY

3.

shaft with the linkage.

 

 

 

 

 

 

 

Attach the motor to the bracket with the four bolts

 

 

 

 

 

 

 

OPEN

 

90 DEGREE STROKE

160 DEGREE STROKE M17712

 

(provided).

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 2. Motor shaft positions at stroke limits

 

NOTE: The bolts go through the motor flange holes

 

 

(viewed from power end).

 

and into the threaded holes of the bracket.

STANDARD

BOLTS (4)

1

BOLTS

 

PROVIDED (4)

WIRING BOX

MOTOR

ADAPTER

BRACKET

EQUIPMENT

BASE

1No. 12 OR 1/4 in. ZINC PLATED MACHINE SCREWS OR BOLTS

M17715

Fig. 3. Mounting the motor with an adapter bracket.

5

63-2187—3

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Contents Application FeaturesContents 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 ApprovalsLocation InstallationWhen Installing this Product Mounting Wiring Box WiringDamper Linkages Valve LinkagesBefore Setting Stroke Settings and AdjustmentsStroke Setting Auxiliary Switch Adjustment Auxiliary SwitchesSetting Stroke Fig 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.

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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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