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INSTALLATION, OPERATING AND MAINTENANCE INSTRUCTIONS

MIXED FLOW FANS

MODEL VMBL — BELT DRIVE

 

CAUTION! 

DO NOT INSTALL, USE OR OPERATE THIS EQUIPMENT UNTIL THIS MANUAL HAS 

BEEN READ AND UNDERSTOOD. READ AND SAVE  THESE SHEETS FOR FUTURE USE.

RECEIVING, HANDLING AND STORAGE
 1. 

Handle the fan with care. Avoid severe jarring or dropping of the unit.

 

2. 

Carefully inspect the unit for damage upon delivery. If the unit has been damaged in transit it is the responsibility  

 

  of the recipient to make all claims against the carrier.

 

3. 

Provide adequate, protected storage prior to installation.

INSTALLATION
 1. 

Upon unpacking, inspect the unit for any damage that may have occurred in transit. Check also for loose or  

  

missing 

parts.

 

2. 

CAUTION!

  This fan contains rotating parts and requires electrical service. Appropriate safety precautions should  

 

  be taken during installation, operation and maintenance.

 

3. 

WARNING!  

Do not install or operate this fan in an environment or atmosphere where combustible or flammable  

 

  materials, gasses or fumes are present, unless it has been specifically designed and manufactured for use in that  

  

environment. 

Explosion

 or 

Fire

 could result.

 

4.

  This ventilator is designed for floor or ceiling suspended mounting.

 

5. 

Attach the spring or R-I-S isolators to the mounting brackets. Be sure all fasteners are securely tightened.

 

6.

  Join the fan to the duct using any suitable flexible connector. Flexible connectors should overlap the fan and duct  

 

  sufficiently to assure against leaks.

 

7. 

CAUTION! 

 

All electrical work must be done in accordance with local and/or national electrical code as applicable.

 

  If you are unfamiliar with methods of installing electrical wiring, secure the services of a qualified electrician.

 

8. WARNING!  

This product must be grounded.

 

9. 

DANGER! 

 

Make sure power is turned off and locked in 

OFF

 position at the service entrance before installing,  

 

  wiring or servicing fan.

 

10. 

CAUTION!

  

Before wiring the motor, check the supply voltage against the motor nameplate voltage. High or low  

 

  voltage can damage the motor and void the warranty.

 

11. 

WARNING!

  

Be sure to keep all wiring clear of rotating or moving parts.

 12. 

WARNING!

  

Before starting the fan, turn the wheel to assure it rotates freely. If needed, adjust the wheel/shaft

 

  bearing/motor position as required to achieve necessary clearances.

 

13. 

CAUTION!

  

On belt drive units assure belts are tensioned and aligned properly. (See Maintenance section).

 

14. 

WARNING!

  

Check all set screws and keys, tighten as necessary prior to fan start up. Anchor the fan securely  

 

  using optional mounting brackets and suitable fasteners or other suitable means prior to operation.

 

15.

  Anchor the fan securely using optional mounting brackets and suitable fasteners or other suitable means prior to  

 

  operation. (Refer to IO&M #1404).

FORM ASX-1409

FORM ASX-1409, Page 1

Air Specialties Express, 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040    Phone: (877)945-9175    Fax: (608)845-6504    www.airspecialties.com

Summary of Contents for VMBL Series

Page 1: ...y suitable flexible connector Flexible connectors should overlap the fan and duct sufficiently to assure against leaks 7 CAUTION All electrical work must be done in accordance with local and or national electrical code as applicable If you are unfamiliar with methods of installing electrical wiring secure the services of a qualified electrician 8 WARNING This product must be grounded 9 DANGER Make...

Page 2: ...r installing a belt do not force the belt over the sheave Loosen the motor mount so that the belt can be easily slipped over the sheave 7 The belt on belt driven units should be removed and carefully checked for radial cracks ply separation or irregular wear A small irregularity in the contact surface of the belt will result in noisy operation If any of these defects are apparent the belt should b...

Page 3: ...e the wheel access is through the fan plate Do not remove the motor motor mount assembly Carefully support the motor motor mount assembly and remove all the fan plate fasteners Carefully removed the entire assembly from the unit base To rebuild assemble in reverse order 3 Safe installation and operation of fans is the responsibility of those who design install maintain and use the equipment For ge...

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