Lomanco Lomancool 2000 Installation Instructions

OMANCO
WARNING —TO
FIRE, ELECTRIC
PERSONS, OBSERVE THE FOLLOWING:
A. Use this unit only in the manner intended by the
manufacturer. If you have any questions, contact the
manufacturer.
B. Before servicing or cleaning unit, switch power off at
service panel and lock service panel to prevent power
from being switched on accidentally. When the service
panel cannot be locked, securely fasten a prominent
warning device, such as a tag to the service panel.
C. Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable
codes and standards, including fire-rated construction.
D. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel-
burning equipment to prevent back drafting. Follow
the heating equipment manufacturer's guide lines
and safety standards, such as those published by the
National Fire Protection Association (NFPA) and the
American Society for Heating, Refrigeration and Air
Conditioning Engineers (ASHRAE), and the local code
authorities.

INSTALLATION

1. Determine approximately where on your
roof you will place your Power Ventilator.
•
A t the highest point in your attic or
air space. Best if centered on roof
length, and less conspicuous if
placed on side away from street.
•
I MPORTANT: Keep the highest
part of the dome lower than
the ridge line to ensure that the
dome's edge is NOT above ridge
line. (Typically, the center of the
vent should be about 24 inches
down from the ridge.)
•
E stablish your position
accuracy (because you will want
to duplicate it inside your attic) by
measuring down from the ridge
and over from the roof edge.
2. Working now from the inside, mark your
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OMANCO
P o w e r V e n t I n s t a l l a t i o n
REDUCE THE RISK
SHOCK, OR INJURY
planned opening (as you established
position when on roof) and relocate
your position to be centered between
two rafters. Drive a nail into the roof so
that it can be easily found when you
return to the roof. Before you return
to the roof, be sure that you have:
(a) string or compass, (b) drill and drill
bit, (c) keyhole or electric jig (saber)
saw with a sharp coarse blade, (d)
ventilator and base, (e) roofing nails
and hammer, and (f) roofing cement
and applicator.
3. Using the nail driven from the inside
as center, scribe a 14" diameter circle
using string or compass. Care should
be taken not to make the hole too large.
with
4. Drill a starting hole for sawing inside
the scribed circle.
5. Starting in the drilled hole, cut circular
opening, following the scribed line. Use
Lomancool® 2000
E. When cutting or drilling into wall or ceiling, do not
damage electrical wiring or other hidden utilities.
F. Ducted fans must always be vented to the outdoors.
G. If this unit is to be installed over a tub or shower, it must
be marked as appropriate for the application.
H. NEVER - place a switch where it can be reached from
a tub or a shower.
CAUTION -
For general ventilating use only. Do not
use to exhaust hazardous or explosive materials and
vapors.
OF
CAUTION-
This unit has an unguarded fan blade.
TO
Do not use in locations readily accessible to people
or animals. This fan is intended for use facing an
unoccupied space only.
Be sure your fan is properly installed. Your fan is
designed to operate on 120 VAC 60 Hz.
Sharp edges are exposed during installation. Use
gloves and other safety equipment to avoid accidents.
WARNING -
To reduce the risk of fire or electric shock,
do not use this fan with any solid state speed control.
IMPORTANT
With the power vent installed, at least 780 square
inches of inlet area must be provided. This is achieved
by installing 12, 8" x 16" intake vents, measuring 65
square inches each.

OPERATION

Your ventilator will operate automatically as needed.
The adjustable thermostat has been set at the factory
to come on at 100°F., off at 85°F. The motor has been
permanently lubricated and does not require additional
lubrication.
I n s t r u c t i o n s
either keyhole or an electric jig (saber)
saw with a sharp coarse blade to cut
shingles and roof boards at one time.
If you do not have a coarse blade, cut
away shingles inside the circle with
utility knife before cutting roof boards.
6. Carefully remove roofing nails from top
row of shingles so that the flashing of
the ventilator will slide under top row.
Slide ventilator carefully into place with
arrow pointing up, letting thermostat
hang down into opening. Fasten the
aluminum base to roof boards with
roofing nails. Keep heads of nails under
shingles wherever possible.
7. Finish the exterior mounting by sealing
all seams and nails with roofing
cement. Use cement also to fasten
down loose edges of shingles. Return
to the attic. You now have to mount
the thermostat and connect the wiring.
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