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Ventamatic, Ltd. P.O. Box 728, Mineral Wells, TX 76068-0728 1-800-433-1626 Fax: [phone] www.BVC.com
QTY Printed
SKU / Document #
©2019 VENTAMATIC, LTD. MAXXAIR CX1500 RED INSMAN 1119/#1074
MaxxAir CX1500 RED InsMan #1074
CX1500 RED Gable Vent
Installation Instructions
READ ALL WARNINGS AND INSTRUCTIONS BEFORE BEGINNING TO INSTALL THIS UNIT.
WARNING: FAILURE TO FOLLOW THESE INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH.
1. Before servicing or cleaning this unit, switch power o at the service panel and
lock out to prevent power from being switched on accidentally. When service
disconnecting means cannot be locked, securely fasten a prominent warning tag to
the service panel.
2. Installation work and electrical wiring must be performed by a qualied person
in accordance with the applicable codes and standards, including re-related
construction.
3. When cutting or drilling into a wall or ceiling, do not damage electrical wiring and
other hidden utilities.
4. The combustion airow needed for safe operation of fuel-burning equipment may
be aected by this unit’s operation. Follow the heating equipment manufacturer’s
guideline and safety standards such as those published by the National Fire and
Protection Association (NFPA), and the American Society for Heating, Refrigeration
and Air-conditioning Engineers (ASHRAE), and the local code authorities.
CAUTION
1. This unit has an unguarded
impeller. Do not use in locations
readily accessible to people or
animals.
2. Mount with the lowest moving
parts at least 8-feet above oor
level.
3. For general ventilating use only.
Do not use to exhaust hazardous
or explosive materials and
vapors.
4. Carbon monoxide is an odorless,
colorless gas that can kill. It
may be drawn into the house
by operating this fan if your
fuel-burning equipment is not
properly maintained, or if you
lack the adequate attic intake
vents.
SAFETY
This safety alert symbol is used to alert you to
potential personal injury hazards. Obey all safetry
messages that follow this symbol to avoid possible
injury or death.
Danger indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
Warning indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
Caution indicates a potentially hazardous situation, which, if not
avoided, may result in minor or moderate injury.
DANGER
WARNING
CAUTION
Used to indicate an electrical shock or electrocution hazard.
ELECTRICAL SHOCK

INSTALLATION INSTRUCTIONS
THIS GABLE-MOUNTED UNIT IS DESIGNED FOR ATTICS OF AVERAGE SIZE AND OPERATES MOST EFFICIENTLY WHEN AIR
INTAKES ARE LOCATED AROUND THE EAVES. ALTERNATIVELY, AIR INTAKE MAY BE FROM OPPOSING GABLE VENTS, BUT
NEVER FROM ROOF OR RIDGE VENTS. AT LEAST 600 SQ. IN OF NET FREE AIR INTAKE IS REQUIRED PER UNIT FOR SAFE
AND EFFICIENT OPERATION. THE MOTOR OPERATES ON 120 V, 60 HZ, A.C. CURRENT. SEE MOTOR LABEL FOR
AMPERAGE.
THIS UNIT MAY BE MOUNTED BEHIND ANY STATIC WALL VENT, OR MODELS VX1818 OR CX2121 AUTOMATIC SHUTTERS.
Step 1 Step 3
For new installation or installation behind
existing louvers, using 2 x 4 studs, frame an
opening at least 18 ¼-in square (depending on
stud spacing) on center, on the attic side of the
gable.
Step 2
Cover the opening with a square piece of
plywood, paneling, or sheetrock, at least
21 ¼-in square (depending on stud spacing).
Cut a 15-in diameter hole in the center of this
panel, to allow the shroud of the fan to enter the
hole.
It is important to block off any remaining open
vent area in the gable.
With the nuts and bolts furnished, secure the 4
mounting brackets to the shroud and then
fasten the unit to the frame.
Mounting the long side of the
L brackets to the shroud may
better fit your installation and
also help reduce
vibration.
The use of a
sound-dampening
barrier, such as
rubber washers or foam stripping will help
reduce resonance
in the walls. Seal
off any gaps
around
the fan,
in order for
the fan to
function at
maximum
efficiency.
TIP:MUCH OF THE PREPARATION, WIRING OF
THERMOSTAT, TESTING, AND MOUNTING TO THE
FRAME CAN BE COMPLETED BEFORE FINAL
INSTALLATION IN THE ATTIC.
Ventamatic, Ltd. P.O. Box 728, Mineral Wells, TX 76068-0728 1-800-433-1626 Fax: [phone] www.BVC.com
2
WARNING

FOR INSTALLATION BEHIND TRIANGULAR GABLE VENTS
For installation behind triangular gable vents, refer to steps 1-3 on the opposite page and the following
illustrations for reference.
Step 1 Step 2 Step 3
THERMOSTAT INSTALLATION
WARNING
Before wiring the thermostat, turn the power off at the breaker to avoid electrocution.
Be certain to confirm to all Local Electric Codes and Regulations.
Remove the cover from the thermostat box and, using screws to prevent damage to the control, attach
the mounting plate to a stud.
Leave the back side of the control unobstructed to allow free air circulation behind the box.
Wire the unit to the incoming power supply according to the diagram above.
The thermostat is adjustable. Recommended setting is 90-110 degrees F depending on local
temperatures. Setting is fan-on and fan-off.
The fan will run as long as the attic temperature remains above the set temperature.
Ventamatic, Ltd. P.O. Box 728, Mineral Wells, TX 76068-0728 1-800-433-1626 Fax: [phone] www.BVC.com
3
• Before wiring the thermostat, turn the power o at the breaker to avoid electrocution.
• Be certain to conform to all Local Electric Codes and Regulations.
• Remove the cover from the thermostat box and, using screws to prevent damage to the
control, attach the mounting plate to a stud.
• Leave the back side of the control unobstructed to allow free air circulation behind the box.
• Wire the unit to the incoming power supply according to the diagram above.
• The thermostat is adjustable. Recommended setting is 90-110 degrees F depending on local
temperatures. Setting is fan-on and fan-o.
• The fan will run as long as the attic temperature remains above the set temperature.
WARNING ELECTRICAL SHOCK

VENTAMATIC, Ltd.
LIMITED WARRANTY STATEMENT
This warranty is underwritten by Falco Insurance Company and is extended to the original
retail purchaser of this model or, if this unit is purchased and requires installation by a building
contractor, to the original owner of the home. No subsequent purchaser of the unit or of a home
in which it is installed is entitled to any of the benets of this warranty.
This product is warranted against defects in materials and workmanship for a period of two (2)
years from the date of original retail purchase. No other parts or components are warranted.
There is no warranty for defects caused by abuse, faulty installation, or the like.
Repairs or replacement parts supplied under this warranty are warranted only for the period of
this warranty; that is, two (2) years from the date of the original retail purchase of the unit.
In the event of a defect or malfunction, we will replace or repair the defective part or component
only and return the new or repaired part to you freight prepaid.
You must bear all other expenses incurred in obtaining repairs, including labor required for eld
repair or replacement, and the cost of shipping the defective part to us. You must also bear the
cost of repair to or replacement of any part or component and the shipping charges incurred
for the repair or replacement and return to you of any part or component not covered by this
warranty, including parts or components damaged by you.
The company reserves the right to demand and receive written evidence of the date of purchase
before undertaking its obligations under this warranty. The right to demand and receive written
evidence of date of purchase extends to all licensed dealers of Ventamatic, Ltd. products.
You should, therefore, retain your sales slip and attach a copy of it to the warranty claim.
To start a warranty claim you must:
Contact Ventamatic, Ltd.
An RGA (Returned Goods Authorization) form is required for returns to the factory
to ensure your return can be processed eciently and quickly. Please contact
Ventamatic, Ltd. toll-free at 800-433-1626 or via web at www.bvc.com to obtain an
RGA and follow the instructions given.
There is no informal dispute settling mechanism available in the event of a controversy involving
this warranty.
Any and all implied warranties which may exist terminate upon the expiration of this warranty
two (2) years from the date of the original retail purchase. Some states do not allow limitations
on how long an implied warranty lasts, so this limitation may not apply to you.
Ventamatic, Ltd. is not liable to you for incidental or consequential damages arising out of defect
or malfunction of a unit or its installation or out of any alleged breach of this warranty. Some
states do not allow the exclusion or limitation of incidental or consequential damages, so this
limitation may not apply to you.
This warranty gives you specic legal rights and you may also have other rights which may vary
from state to state.
rev. 04/19
Ventamatic, Ltd. P.O. Box 728, Mineral Wells, TX 76068-0728 1-800-433-1626 Fax: [phone] www.BVC.com
©2019 VENTAMATIC, LTD. MAXXAIR CX1500 RED INSMAN 1119/#1074