ENERVEX BESF, BESF Series, BESF 146, BESF 160, BESF 180 Installation & Operating Manual

3002443 04.14

Installation & Operating Manual

BESF Box Ventilator

USA

CAN

Product Information

........................ Chapter 1 + 2

Mechanical Installation

Electrical Installation

............................. Chapter 4

Start Up and Conguration

Maintenance and Troubleshooting

READ AND SAVE THESE INSTRUCTIONS!

ENERVEX Inc.
1685 Bluegrass Lakes Pkwy.
Alpharetta, GA 30004

P: 770.587.3238
F: 770.587.4731
T: 800.255.2923
[e-mail]
www.enervex.com

......................... Chapter 3

.................. Chapter 5

...... Chapter 6

Job Name:

Installer:

Installation Date:

3002443 04.14

1. Product Information

1.1 Function ........................................................................................................................... 3

1.2 Components .................................................................................................................... 3

1.3 Shipping ........................................................................................................................... 4

1.4 Warranty .......................................................................................................................... 4

2. Specications

2.1 Dimensions & Capacities ................................................................................................. 5

3. Mechanical Installation

3.1 Positioning ....................................................................................................................... 6

3.2 Floor or Roof Mounting .................................................................................................... 6

3.3 Ceiling Mounting .............................................................................................................. 7

3.4 Connection to Duct .......................................................................................................... 7

4. Electrical Installaion

4.1 General ............................................................................................................................ 8

4.2 Wiring Diagram ................................................................................................................ 8

5. Startup & Conguration

5.1 System Testing ................................................................................................................ 9

5.2 Adjusting the Fan Speed ................................................................................................. 9

5.3 Adjusting the Proven Draft Switch ................................................................................... 9

6. Maintenance & Troubleshooting

6.1 Cleaning Intervals .......................................................................................................... 10

6.2 Cleaning ........................................................................................................................ 10

6.3 Troubleshooting ...............................................................................................................11

Symbol Legend:

The following terms are used throughout this manual to bring attention
to the presence of potential hazards or to important information
concerning the product.

Danger: Indicates an imminent hazardous situation
which, if not avoided, will result in death, serious injury or
substantial property damage.

TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:

1. Use this unit in the manner intended by the manufacturer. If
you have questions, contact the manufacturer at the address or
telephone number listed on the front of the manual.

2. Before servicing or cleaning the unit, switch off at service panel
and lock service panel to prevent power from being switched on
accidentally.

3. Installationworkandelectricalwiringmustbedonebyaqualied

person(s) in accordance with applicable codes and standards.

4. Follow the appliance manufacturer’s guidelines and safety
standards such as those published by the National Fire Protection
Associations (NFPA), and the American Society for Heating,
Refrigeration and Air Conditioning Engineers (ASHRAE), and the
local code authorities.

Caution: Indicates an imminent hazardous situation
which, if not avoided, may result in personal injury or
property damage.

5. This unit must be grounded.

How to use this manual

This installation manual does not contain any system design
documentation. System design documentation is available from any
authorized ENERVEX representative.

Accessories, fans and variable frequency drives are not covered by
this manual. Please refer to these component’s individual manuals.

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3002443 04.14

1. Product Information

1.1 Function

Use ENERVEX Model BESF is a box ventilator that can be used for the movement of air in exhaust and air
supply systems where no explosive gases are present. The ventilator cannot be used for transport of
large particles. It is designed to provide a high capacity at a high static pressure. The ventilator is best
suited for indoor installations. Suitable uses include, but are not limited to: comfort ventilation, residential
kitchen ventilation, exhaust and air supply.
The exhaust temperature must be above 10°F (-12°C) but should not exceed 175°F (80°C). The ambient
temperature must be within -20°F (-30°C) and 105°F (40°C).

Construction Theventilatorhousingismadeofgalvanizedsteelandinsulatedwithberinsulation.Thecollarsare
   ttedwithsiliconesealstoassureatightassembly.Themotorisadirectdrive,variablespeedclassB

insulated type. It has permanently lubricated, sealed ball bearings and is maintenance free.

Listings ENERVEX Model BESF is tested and listed to UL 705, Standard for Power Ventilators.
The BESF can be used as a component in a MCAS, Modulating Combustion Air System. The listings of
this system incorporates the BESF Box Ventilator.

Do not use with explosive gases. Do not use for transport of large particles.

1.2 Components

The box ventilator consists of the following components:
a. Housing f. Locking hinge
b. Access door g. Door handle
c. Motor h. Support legs with vibration dampers (2)
d. Centrifugal impeller i. Sheet metal screws (4)
e. Ventilator housing k. Door switch (optional)

Fig. 1

3

3002443 04.14

1.3 Shipping

Protection The ventilator is protected by a corrugated box. Do not place other products or items on top of the
box. After unpacking, the product must be handled in a way to prevent damaging the collars and the
ventilator housing.

Fig. 2

Never operate the power venter with the access door open!
To open access door loosen screws on latch handles and raise handles.

Standard Packing The ventilator is shipped with motor installed on the access door. If other components are shipped,

these will appear on the shipment packing list.

NOTE:

All single phase fans are shipped with a capacitor and junction box connected via conduit. The capacitor

is located INSIDE the junction box. Please do not discard.

1.4 Warranty

Complete warranty conditions are available at www.enervex.com or request a copy at:
[e-mail] or at tel.: [phone].

4