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1. Ensure Proper Intake Ventilation. Always ensure
there is proper attic intake ventilation at or near
the soffit areas of the roof. This is required for a
balanced ventilation system and to help avoid
premature ventilator motor failure. Use the chart
located on the outside of the package or visit
gaf.com/ventcalculator to ensure the minimum
recommended intake ventilation is installed on
the home. Always consult local building codes
for ventilation requirements.
2. Determine Position. Vent behind an existing
gable wall louver or install a Master Flow
Automatic Gable Louver (not included). The fan
should be approximately 3" (76 mm) to 4" (102
mm) away from the exterior louver.
3. Attach Mounting Brackets to Unit. Carefully
remove unit and mounting accessories kit
from the carton. The fan mounting kit includes
(8) bolts, (8) Nylok
nuts, and (4) mounting
™
brackets. Take the mounting brackets (long side)
and align with the two holes on the shroud. With
Figure 3
POWER SOURCE
NEUTRAL (WHITE)
GROUND (GREEN)
HOT (BLACK)
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holes aligned, take two bolts with the head on
the inside of the shroud and push through each
hole. Take the Nylok
bolt. Repeat this process until all four mounting
brackets are firmly fastened to shroud (Figures
1a & 1b).
4. Mount the Unit. Place mounting brackets so end
is flush with the stud. For studs 16" (40.6 cm) on
center, mounting brackets are predrilled to this
size. Screw or nail unit to framing through pre-
punched holes in mounting brackets (Figure 2a).
SGM20
For studs over 16" (406 mm) on center, install
®
two nominal 2" x 4" (50 mm x 100 mm) wood
supports, 14" (356 mm) apart. Mount the unit to
the two nominal 2" x 4" (50 mm x 100 mm) wood
supports through the pre-punched holes in the
mounting brackets (Figure 2b).
5. Wiring. Always disconnect power supply before
wiring the ventilator into an existing circuit.
Remove the thermostat cover and mount the
thermostat box to the edge of an adjacent rafter
GROUND (GREEN)
BLACK
T-STAT
INSTRUCTIONS
For Gable Mount Models:
EGV5 & EGV6
nuts and fasten to each
™
Note: In the unlikely event that accessories
or parts are missing or this product does not
operate correctly, please contact Master Flow
Technical Services at 1-800-211-9612 or
WarrantyLLBP@gaf.com. Do NOT return this
ventilator to retailers or distributors.
WHITE
HOT (BLACK)
We protect what matters mos t
or stud using the pre-punched holes. Make sure
the thermostat element opening on the back of
the box isn't covered. Each ventilator must have
its own thermostat. Leave the flexible conduit
with some slack and begin wiring the thermostat
as shown (Figure 3). The included thermostat
is adjustable from 60°F (15.5°C) to 120°F
(48.8°C). The factory/recommended setting for
efficient operation is 105°F (40.5°C). For select
models with humidistat/thermostat control, the
humidity should be set at 70%.
MOTOR
BLACK
™
®
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