GAF Master Flow ERV5QCT Instructions

SAFETY CONSIDERATIONS AND
WARNINGS
Warning: to reduce the risk of fire, electric shock,
or injury to persons, observe the following:
1. Do NOT use this fan with any solid-state speed
control device.
2. Before servicing or cleaning unit, switch power
off at service panel and lock the service,
disconnecting means to prevent power from
being switched on accidentally. When the
service-disconnect cannot be locked, securely
fasten a prominent warning device, such as a
tag, to the service panel.
3. Use this unit only in the manner intended by
GAF. If you have any installation questions, please
contact Master Flow Technical Services
®
at 1-800-211-9612.
4. For rooftop or outdoor use only. This ventilator
has an unguarded impeller. Do NOT use in
locations readily accessible to people or animals.
5. Do NOT use on roofs having a slope less
than 2:12.
TOOLS REQUIRED
• 1/2'' Trade Size Cable Clamp Connector
• 1/8'' Drill Bit
• 7/16" Socket or Adjustable Wrench
• Caulking Gun
• Claw Hammer
• Drill
• Extension Cord
• Fall-Restraint Equipment
Figure 1a
Figure 2b
V980179
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6. For general ventilation purpose only. Do NOT
use to exhaust hazardous material, dust, or
combustible vapors.
7. During installation, always wear appropriate
safety glasses, gloves, hard hats, restraints,
and other safety equipment to avoid injury.
Warning: Always wear durable work gloves
when handling this unit.
8. Observe all applicable building and
electrical codes.
9. Installation work and electrical wiring should be
done by a qualified person in accordance with
all building codes and the National Electrical
Code (U.S. only), including codes for fire ratings.
Contact a qualified electrician it you are not
comfortable or familiar with electrical codes and/
or installations.
10. The ventilator should be connected to a 120 volt,
60 hertz, grounded circuit only with minimum
14-gauge wiring that has at least 3 amperes of
available capacity. If you cannot confirm there is
sufficient electrical capacity on an existing circuit,
install a separate dedicated circuit. Do NOT use
an extension cord to operate.
• Flat-Blade Screwdriver
• Galvanized Roofing Nails
• Durable Work Gloves
• Hard Hat and Other Safety Equipment
• Ladder
• Pencil or Marker
• Power Saber or Jig Saw and Hand Saw
• Safety Eyewear
Figure 1b
Figure 2c
INSTRUCTIONS
Model: ERV5QCT
11. Inspect for hidden utilities before cutting or
drilling. Do NOT damage electrical wiring or
other hidden utilities when cutting or drilling.
12. Make sure the fan blade is on tight and ensure
the set screw is securely tightened.
13. Ducted fans must always be vented to
the outdoors.
14. FOR HOMES WITH A GAS OR OIL FURNACE OR
APPLIANCE LOCATED IN THE SAME SPACE: The
ventilator MUST be wired with a switch or other
interlocking device to prevent the furnace and
ventilator from operating at the same time
during the heating cycle. The switch or other
interlocking device MUST disconnect the vent
unit from the electrical circuit power. GAF
recommends that the switch (not included) be
installed by a qualified person in accordance
with all applicable building codes and
standards.
Featuring:
Master Flow
QuickConnect
Wi-Fi Technology
• Tape Measure
• Type NM Electrical Cable
• ASTM C920 Urethane Sealant or
ASTM D4586 Type 1 or 2 Asphalt
Roofing Cement
• Utility Knife
• Wire Nuts
Figure 1c
Interior
Rafters
Figure 3a
We protect what matters mos t
Figure 2a
Figure 3b
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