Cook VCR User Manual download pdf

Storage

If the fan is stored for any length

of time prior to installation, store it

in its original shipping crate and

protect it from dust, debris and the

weather.

Installation

If the fan was delivered with the

motor unmounted, see the mainte-

nance sections for belt and pulley

installation.

If the fan was purchased as a wall

mount unit and a grease terminator or grease trough was

not purchased, a 1-1/16 inch diameter drain hole should be

inserted on the bottom side of the unit for drainage.

Fan Installation

a. Ensure the fan discharge is a minimum 40 inches

above the roof surface and a minimum of 10 foot from any

building air intake in order to comply with NFPA 96.

The attachment of roof mounted fans to the roof curb

as well as the attachment of roof curbs to the building

structure must exceed the structural requirements

based on the environmental loading derived from the

applicable building code for the site. The local code

official may require variations from the recognized

code based on local data. The licensed engineer of

record will be responsible for prescribing the correct

attachment based on construction materials, code

requirements and environmental effects specific to

the installation.

Failure to follow these instructions could result in

death or serious injury.

Centrifugal Roof and Wall Exhausters

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

This publication contains the installation, operation and

maintenance procedures for standard units of the VCR,

VCRD, VCR-HP, VCRD-HP, VCR-XP, & VCRD-XP

Centrifugal Roof and Wall Exhausters.

Carefully read this publication and any

supplemental documents prior to any

installation or maintenance procedure.

Loren Cook Company’s VCR catalog provides addi-

tional information describing the equipment, fan perfor-

mance, available accessories and specification data.

For additional safety information, refer to AMCA publica-

tion 410-96, Safety Practices for Users and Installers of

Industrial and Commercial Fans.

All of the publications listed above can be obtained from

Loren Cook Company by phoning (417)869-6474, exten-

sion 166; by FAX at (417)832-9431; or by e-mail at

[email protected].

For information on special equipment, contact Loren

Cook Company Customer Service Department at

(417)869-6474.

Receiving and Inspection

Immediately upon receipt of a VCR fan, carefully inspect

the fan and accessories for damage and shortage.

• Turn the wheel by hand to ensure it turns freely and

does not bind.

• Record on the Delivery Receipt any visible sign of

damage.

Handling

Lift the fan by the lifting lugs provided under top cap.

NOTICE! Never lift by the shaft, motor or housing.

Rotating Parts & Electrical Shock Hazard:

Disconnect electric power before working on unit.

Follow proper lockout / tagout procedures to ensure

the unit cannot be energized while being installed or

serviced.

A disconnect switch should be placed near the fan

in order that the power can be swiftly cut off, in case

of an emergency and in order that maintenance

personnel are provided complete control of the

power source.

Grounding is required. All field-installed wiring must

be completed by qualified personnel. All field-

installed wiring must comply with National Electric

Code (NFPA 70) and all applicable local codes.

Failure to follow these instructions could result in

death or serious injury.

VCR

Lifting Lugs

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Receiving and Inspection

StorageIf the fan is stored for any length of time prior to installation, store it in its original shipping crate and protect it from dust, debris and

Page 2 - Wiring Installation

2b. Minimum exhaust velocity in the duct should be 1500 FPM in accordance with NFPA 96.c. If the fan is installed on a surface that is not level, inst

Page 3 - Operation

3Grease Terminator InstallationFinal Installation Steps1. Ensure fasteners and setscrews, particularly fan mounting and bearing fasteners, are tighten

Page 4 - Maintenance

4Fan BearingsFan bearings are lubricated through the grease fitting and should be lubricated by the schedule, Conditions Chart, shown below.For best r

Page 5 - Replacing Pulleys and Belts

5Maximum RPMReplacing Pulleys and Beltsa. Clean the motor and fan shafts.b. Loosen the motor plate mounting bolts to relieve the belt tension. Remove

Page 6 - Troubleshooting

6ing for correct overlap.Adjust the overlap by loosening the wheel hub and mov-ing the wheel along the shaft to obtain the correct value. A uniform ra

Page 7 - Parts List

76227592415214161819171a1b31220413231081121PartNo.VCRD/VCRD-HP/VCRD-XP Parts Description100-1951a Top Cap Lid1b Top Cap Cylinder2 Top Cap Clip (4)3 Mo

Page 8 - VCR IOM - Feb. 2014

8Limited WarrantyLoren Cook Company warrants that your Loren Cook fan was manufactured free of defects in materials and workmanship, to the extent sta

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Cook VCR User Manual

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Summary of Contents

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