Rheem GEN12AD-V, Installation Manual

Page: 11 / 88

11
Generator Placement
Before installing generator, consult with home owner and
convey the following requirements, which must be satisfied
before the installation is complete.
There are two equally important safety concerns in regards to
carbon monoxide poisoning and fire. There are also several
general location guidelines that must be met before the
installation in considered complete.
Exhaust Side of the Generator
A - Exhaust outlet side of weatherproof enclosure
B - Weatherproof enclosure opposite exhaust side
Other General Location Guidelines
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is flat and has provisions for water drainage.
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pump discharge, rain gutter downspouts, roof run-off,
landscape irrigation, or water sprinklers will not flood
the unit or spray the enclosure and enter any air inlet or
outlet openings.
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obstruct and services including covered, concealed and
underground, such as telephone, electric, fuel (natural
gas/ LPG vapor), irrigation, air conditioning, cable,
septic, sewer, well and so forth.
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snow, etc. will not obstruct air inlet and outlet
openings. If prevailing winds will cause blowing or
drifting, you may need to construct a windbreak to
protect the unit.
National Fire Protection Association (NFPA)
Standard NFPA 37 Requirements and Testing
Requirements:
NFPA 37 2010, section 4. 1. 4, Engines Located Outdoors.
Engines, and their weatherproof housings if provided, that are
installed outdoors shall be located at least 1.5m (5 ft) from
openings in walls and at least 1.5 m (5 ft) from structures
having combustible walls. A minimum separation shall not be
required where either of the following conditions exist:
1. The adjacent wall of the structure has a fire resistance
rating of at least 1 hour.
2. The weatherproof enclosure is constructed
of noncombustible materials and it has been
demonstrated that a fire within the enclosure will not
ignite combustible materials outside the enclosure. *
* Annex A Explanatory Material
A.4.1.4 (2) Means of demonstrating compliance are by
means of full-scale fire tests or by calculation procedures,
such as those given in NFPA 555, Guide on Methods for
Evaluating Potential for Room Flashover.
To comply with condition 2 above the weatherproof enclosure
has been constructed completely of non-combustible
materials and full-scale fire tests have been conducted to
demonstrate that a fire within the enclosure will not ignite
combustible materials outside the enclosure.
WARNING Running engine gives off carbon monoxide,
an odorless, colorless, poison gas.
Breathing carbon monoxide could result in death
serious injury, headache, fatigue, dizziness,
vomiting, confusion, seizures, nausea or fainting.
t
Operate this product ONLY outdoors in an area that wil
not accumulate deadly exhaust gas.
t Keep exhaust gas away from any windows, doors,
ventilation intakes, soffit vents, crawl spaces, open garage
doors or other openings that can allow exhaust gas
to enter inside or be drawn into a potentially occupied
building or structure.
t Carbon monoxide detector(s) MUST be installed and
maintained indoors according to the manufacturer’s
instructions/recommendations. Smoke alarms cannot
detect carbon monoxide gas.
B
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