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Centri-Vane

Aluminum Inline and Roof Fans

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

This publication contains the installation, operation and

maintenance instructions for standard units of the CV, Centri-

Vane

Aluminum Inline and Roof Fans.

• CVD / CVB, CVR / CVR-S, CV/UCV-S, CVS

Carefully read this publication and any supplemental

documents prior to any installation or maintenance

procedure.

Loren Cook CV catalog provides additional information

describing the equipment, fan performance, available accessories,

and specification data.

For additional safety information, refer to AMCA publication 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, extension 166; by FAX

at (417)832-9431; or by e-mail at [email protected].

For information and instructions on special equipment, contact

Loren Cook Company at 417.869-6474.

Receiving and Inspection

Carefully inspect the fan and accessories for any damage and

shortage immediately upon receipt of the fan.

• Turn the wheel by hand to ensure it turns freely and does not

bind.

• Inspect dampers for free operation of all moving parts.

• Record on the Delivery Receipt any visible sign of damage.

Handling

Lift the fan by the outside housing (box) and support bracket.

Never lift by the shaft or motor.

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.

To maintain good working condition of a CV when it is stored

outdoors, or on a construction site, follow the additional steps

below:

• Cover the inlet and outlet, and belt tunnel opening to prevent

the accumulation of dirt and moisture in the housing.

• Periodically rotate the wheel and operate dampers (if supplied)

to keep a coating of grease on all internal bearing parts.

Installation

To prevent damage to the fan during shipping, motors 5 HP and

larger, and extremely heavy motors (cast iron or severe duty) are

shipped loose and must be field mounted by bolting the motor on

the motor mounting plate in the existing mounting slots.

UCV Fan Installation

The fan support (roof curb) should provide a level surface for

installation. If the roof is pitched more than 1/2:12, a sloped curb

must be used to correct for the incline. If the unit is installed on a

non-level surface, the damper door pivot should be positioned

perpendicular to the peak of the roof.

Place fan over roof opening. Secure the fan with lag screws,

anchor bolts, or other suitable fasteners.

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.

CVB

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.

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - Installation

Centri-Vane® Aluminum Inline and Roof FansINSTALLATION, OPERATION, AND MAINTENANCE MANUALThis publication contains the installation, operation and mai

Seite 2 - Belt and Pulley Installation

21 foot1/4 inchPulley AlignmentPulley alignment is adjusted by loosening the motor pulley setscrew and by moving the motor pulley on the motor shaft.

Seite 3 - Inspection

3Wiring DiagramsMotor123456TogetherHigh SpeedLineL1L2L3123456OpenLow SpeedLineL1L2L3Motor456172839L1L2L3456789123L1L2L3Low Voltage208/230 VoltsHigh Vo

Seite 4 - Maintenance

4For moist or otherwise contaminated installations; divide the interval by a factor of 3. For vertical shaft installations divide the interval by a fa

Seite 5 - Troubleshooting

TroubleshootingProblem and Potential CauseLow Capacity or Pressure•Incorrect direction of rotation. Make sure the fan rotates in same di-rection as th

Seite 6 - CVS Parts List

6Air Flow123456789101112CVD Parts ListAir Flow12345678Part No.Part DescriptionSizes 70-1801 Outer Discharge Housing2 Straightening Vanes3 Motor Plate4

Seite 7 - CVR-S Parts List

7123456789101112Air Flow123456789101112Air FlowCVR Parts ListCVR-S Parts ListParts No.Part DescriptionSizes 10-361 Topcap Assembly2 Post3 Outer Discha

Seite 8 - CV IOM - November 2013

8Corporate Offices: 2015 E. Dale Street Springfield, MO 65803 417.869.6474lorencook.com123456789101112Air Flow1312345678910111213Air FlowUCV Parts L

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