Tamarack Technologies Whole House Cooling Fans, HV User Manual

PLEASE LEAVE WITH HOMEOWNER

HV1000 (silver faced insulation)

One (1) HV1000 Whole House Cooler
One (1) White Metal Grille w/(6) Screws
One (1) Package of Foam Gasket
One (1) Metal Electrical Box Cover w/(2) Screws
One (1) Wall Switch (SPST)
Four (4) #8x3/4 Screws
One (1) Grounding Screw (green)

HV1600 (gold faced insulation)

One (1) HV1600 Whole House Cooler
One (1) White Metal Grille w/(6) Screws
One (1) Package of Foam Gasket
Four (4) #8x3/4 Screws
One (1) Hand Held Remote Transmitter

HV1000

DO NOT

PULL ON,

CARRY BY

OR STRESS

THE DOORS

Serial Number _________ Date of Purchase __________Point of Purchase _________________

under-the-eaves attic space. Cooler outside air should be able to move through the window, the space that needs to be
cooled, and exhaust out through the fan into the attic. Warning: Not to be used over cooking appliances.

Before installing your HV: Read all instructions carefully

► Some state and local electrical codes require fan products be installed by a licensed electrician. Check with your local
code officials before installation.
► Make sure that you have adequate net free exhaust area out of your attic. A minimum of 2 square feet is required for
the HV1000 and 3-1/2 square feet for the HV1600. This can be accomplished with a combination of roof, ridge, soffit or
gable end vents or other attic exhaust points.
► Make sure that there is enough clearance for the doors to open. Minimum requirement for the HV with R22 insulating
doors (HV1000 and HV1600-GR) is 11” and 12” for models with R38 insulating doors (HV1000-DB and HV1600-GDR).
► Make sure that there aren’t any pipes, wires, rafters, or air conditioning or heating ducts running through the space
where the HV will be installed and that the doors will face an unoccupied area.

Unpacking your HV: When you have unpacked your HV carefully you will find the following:

Please note the serial number, date of purchase and the point of purchase on the top of this page for handy

reference. The serial number is located on a label affixed to the HV next to the junction/utility box.

©Tamarack Technologies, Inc.• 320 Main Street • Buzzards Bay, MA 02532
508-759-4660 • 800-222-5932 • Fax [phone] www.tamtech.com

HV Series

Whole House Cooling Fans

Product Manual & Installation Guide

HVM.02

What the HV whole house cooling fans do

The HV is used to assist the natural cooling process in the house. When the
outside temperature drops below the inside temperature, the cooler outside air
can be used to cool the house. The HV will pull the cooler air from the outside,
through the house, up into the attic and push the hot air outside. The HV is a fan
product and will not cool the house below the outside air temperature or create
a noticeable breeze. The HV can be used any time, for as long as needed, to
cool or change the air in the house.

The best location for your HV

The HV should be located as central as possible to the area that you want to
cool. Above a central hallway or at the top of a stairwell provide the best airflow.

The fan can also be mounted vertically, exhausting through a knee wall into an

Installation

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Operating your HV

HV1000 - The HV1000 is operated by the wall switch installed per the wiring
instructions.
HV1600 - The HV1600 is controlled by the hand held remote transmitter. Button 1
is used to turn the unit On/Off and button 2 for High/Low. Additional controls,
when used, may override the remote control. See the Wiring section of this
manual for further details.

IMPORTANT

Be sure at least one window is open when the fan is operating

Tools and supplies needed
You will need two pieces of 2x stock to match your existing framing, a saw to cut the hole in the ceiling, a hammer or
screw gun to attach the blocking to the existing joists and both a flat head and Phillips head screw driver to attach the
grille and for the electrical work.

1. Cut a hole in the ceiling under where the HV will be installed. The dimensions of the
hole should be no greater than 23 1/2" x 14". This will allow for the grille to cover the
exposed sheetrock edges. Suggested methods for making the proper sized hole in the
ceiling are; Cut a pilot hole under where the fan will be installed. Cut toward the edge to
find the joist pattern and lay out the fan opening on the ceiling. (Figure 1) ; or mark the four
corners of the opening from the attic side and draw a line between each of the four
corners to lay out the fan opening; or use a stud finder to locate the joists, cut a template
from the fan packaging material and use the template to lay out the fan opening.

2. The fan housing will fit either 16” or 24” on center framing. Cut two pieces of 2x stock
(2 x 6 or 2 x 8 etc.) of the same dimension as the existing joists. Add these pieces of
framing to form a box between the joists. (Figure 2).

3. Install the foam gasket (supplied) on the top of the joists and added framing. Check
the joint between the ceiling and the 2x stock. Some types of ceilings are spaced away
from the joists. Any gap between the 2x’s and the ceiling should be sealed prior to final
installation. (Figure 3) Use a low expansion spray foam sealant (not supplied).

4. Set the HV on the gasket with the doors facing to open into the attic. The lower
housing will fit into the box with the mounting flanges overlapping the joists. (Figure 4)
The HV should not be forced into this opening. Forcing it into place may cause the
doors to bind and not function properly.

5. If desired, secure the HV to the top of the joists using the screws provided. When
fastening the mounting flange to the joists care should be taken that all screws are
tightened evenly to avoid the door hinges binding.

6. Wire the HV as shown in the Wiring section of this manual. It is recommended that the
wiring of the HV be done by a licensed electrician.

7. Check the HV for proper operation. Turn the unit on and allow 30 seconds for the
doors to fully cycle open and the fans to start. DO NOT FORCE THE DOORS OPEN.

8. Install the grille (6 screws included) on the ceiling below the fan. (Figure 5)

Some owners find the installation has a more finished look when the inside of the blocking has been painted before

the unit is installed and the grille is put in place.