Greenheck CBF Installation Manual

CBF

WARNING

This unit has rotating parts. Safety precautions
should be exercised at all times during installation,
operation, and maintenance.
ALWAYS disconnect power prior to working on fan.

Personal Safety

Disconnect switches are recommended. Place the
disconnect switch 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.

Cinder Block Fan

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

This publication contains the installation, operation
and maintenance procedures for standard units of the
CBF - Cinder Block Fan. Carefully read this publication
prior to installation.

Loren Cook catalog, CBF, 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 [phone], exten­sion 166; by FAX at [phone]; or by e-mail at
[e-mail].

For information and instructions on special equipment,
contact Loren Cook Company at [phone].

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.

• Remove shipping tape.

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

Handling

Lift fan by the outside housing (box). 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.

Wiring Installation

All wiring should be in accordance with local ordinances
and the National Electrical Code, NFPA 70. Ensure the
power supply (voltage, frequency, and current carrying
capacity of wires) is in accordance with the motor name­plate.

Lock off all power sources before unit is wired to

power source.

Follow the wiring diagram in the disconnect switch
and the wiring diagram provided with the motor. Cor­rectly label the circuit on the main power box and
always identify a closed switch to promote safety (i.e.,
red tape over a closed switch).

Final Installation Steps

a. Inspect fasteners and setscrews, particularly fan mount-

ing fasteners, and tighten.

b. Inspect for correct amperage and voltage with an

ammeter and voltmeter.

c. Ensure all accessories are installed.

d. Make sure wheel does not rub against the inlet.

Operation

Pre-Start Checks

a. Lock out all the primary and secondary power sources.

b. Inspect fasteners and setscrews, particularly those used

for mounting the fan, and tighten if necessary.

c. Inspect motor wiring.
d. Ensure fan and ductwork are clean and free of debris.
e. Restore power to unit.

Installation

CBF units are intended to replace an 8”x16” standard cin­der block in a block wall. Slide unit into open block location,
as desired, and screw into place using pre-punched holes
in the front flange. After unit is installed and wired, attach
grille using the two screws provided.

CBF

Inspection

Inspection of the fan should be conducted at the first 30

minute interval of satisfactory operation. During the

inspection, stop the fan and inspect as per directions
below.

30 Minute Interval

Inspect bolts, setscrews, and motor mounting bolts.

Adjust and tighten as necessary.

Grille Installation

Attach the grille by hand-tightening the knurled screws.
When the unit is furnished with a filter, place the knurled
screws through the hole in the grille. Install the filter through
the holes provided in the filter frame.

Maintenance

Establish a schedule for inspecting all parts of the fan.
The frequency of inspection depends on the operating con­ditions and location of the fan.

1) Turn off all power going to Cinder Block Fan.

2) Remove (2) grille screws with Phillips Head screw­driver.

3) Unfasten (4) blower panel screws from support angles.

4) Pull blower assembly out approximately 12 inches.

5) Reach inside housing and unplug receptacle from
junction box.

CBF Parts List

Air Flow Configurations:

SUPPLY

AIRFLOW

EXHAUST

AIRFLOW

1

4

2

Parts

No.

1 Housing
2 Blower Assembly
3 Blower Mounting Plate
4Grille

Limited Warranty

Loren Cook Company warrants that your Loren Cook fan was manufactured free of defects in materials and workmanship, to the extent stated herein. For a period of one (1)
year after date of shipment, we will replace any parts found to be defective without charge, except for shipping costs which will be paid by you. This warranty is granted only to
the original purchaser placing the fan in service. This warranty is void if the fan or any part thereof has been altered or modified from its original design or has been abused,
misused, damaged or is in worn condition or if the fan has been used other than for the uses described in the company manual. This warranty does not cover defects resulting
from normal wear and tear. To make a warranty claim, notify Loren Cook Company, General Offices, 2015 East Dale Street, Springfield, Missouri 65803-4637, explaining in
writing, in detail, your complaint and referring to the specific model and serial numbers of your fan. Upon receipt by Loren Cook Company of your written complaint, you will be
notified, within thirty (30) days of our receipt of your complaint, in writing, as to the manner in which your claim will be handled. If you are entitled to warranty relief, a warranty
adjustment will be completed within sixty (60) business days of the receipt of your written complaint by Loren Cook Company. This warranty gives only the original purchaser
placing the fan in service specifically the right. You may have other legal rights which vary from state to state.

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CBF

Corporate Offices: 2015 E. Dale Street Springfield, MO 65803 417.869.6474

lorencook.com

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CBF IOM - October 2009