Indirect-fired air handler guide specification, Part 1 general [gas][oil][gas/oil combo]-fired – Roberts Gorden Combat IDF-Series User Manual
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PART 1 GENERAL [Gas][Oil][Gas/Oil Combo]-Fired
Provide units with heating and ventilating sections, designed
and manufactured for indoor or outdoor installation. Units
shall be packaged air handlers which include casing, [non-
modulating][modulating] burner, primary and secondary heat
exchangers, and non-overloading fan.
1.1 SECTION INCLUDES
A. Indirect-fi red air handler
B. Controls
1.2 REFERENCES
A. American Society for Testing Materials (ASTM):
1. Standard A653/653M; Standard Specifi cation for Steel
Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated
(Galvannealed) by the Hot Dip Process
B. ETL Testing Laboratories, Inc. (ETL):
(Nationally recognized testing laboratory certifi es code
conformance.)
1. Requirements applicable to product labeling and listing in the
Directory of ETL Listed Products.
C. Factory Mutual Insurance (FM):
(Certifi es gas manifold to owner's insurance carrier.)
D. Industrial Risk Insurance (IRI):
(Certifi es gas manifold to owner's insurance carrier.)
E. National Electrical Manufacturers Association (NEMA):
1. Standard 250; Enclosures for Electrical Equipment
(1000 V Maximum)
F. National Fire Protection Association (NFPA):
(Establishes fi re prevention standards.)
1. Article 54; National Fuel Gas Code
2. Article 70; National Electric Code
3. Article 31; Standard for Installation of Oil-Burning
Equipment
4. Article 33; Standard for Spray Application Using Flammable
or Combustible Materials
5. Article 86; Standard for Ovens and Furnaces
G. National Roofi ng Contractors Association (NRCA):
1.
Th
e NRCA Roofi ng and Waterproofi ng Manual, Second
Edition
H. Occupational Safety and Health Administration (OSHA):
(Enforces air quality standards and safety in the workplace.)
I. Underwriters Laboratories, Inc. (UL):
(Nationally recognized testing laboratory certifi es code
conformance, product labeling and listing.)
1. Standard UL727 Standard for Oil-Fired Central Furnaces
2. Standard UL731 Standard for Oil-Fired Unit Heaters
3. Standard UL795 Standard for Commercial-Industrial Gas
Heating Equipment
1.3 SUBMITTALS FOR REVIEW
A. Product Data: Provide data with dimensions, duct and service
connections, accessories, controls, electrical nameplate data and
wiring diagrams.
B. Submittal Drawings: Indicate dimensions, duct and service
connections, accessories, controls, electrical nameplate data and
wiring diagrams.
1.4 SUBMITTALS FOR INFORMATION
A. Manufacturer’s Instructions: Indicate rigging, assembly and
installation instructions.
1.5 SUBMITTALS AT PROJECT CLOSEOUT
A. Project Record Documents: Record actual locations of remote
sensors, control panels and other components.
B. Operation and Maintenance Data: Include manufacturer’s
Installation, Operation and Service Manual.
C. Warranty: Submit manufacturer’s warranty and ensure forms
have been fi lled out in owner’s name and registered with the
manufacturer.
1.6 QUALITY ASSURANCE
A. Manufacturer Qualifi cations: Company specializing
in manufacturing the products specifi ed in this section
(proportional, building pressure controlling, modulating
indirect-fi red air handler) with a minimum of ten years
documented experience. Equipment shall be the standard
product of the manufacturer and shall have complete cataloged
data.
B. Installer Qualifi cations: All installation and service of indirect-
fi red air handlers must be performed by a contractor qualifi ed
in the installation and service of said products with proof of a
minimum of three years documented experience.
C. Factory Testing: Each air handler shall be factory-tested.
Testing shall consist of checking all circuits for continuity,
operability of all valves, control motors, fan speed, linkages,
switches and burner. Each air handler shall be test-fi red for
minimum and high fi re conditions. See "Fan and Motor" for
additional fan testing requirements.
1.7 REGULATORY REQUIREMENTS
A. Conform to the National Fuel Gas Code (NFPA 54/ANSI
Z223.1).
B. Conform to required or specifi ed insurance specifi cations (FM,
IRI, etc.) for the gas manifold construction.
1.8 WARRANTY
A. Th
e product shall have a manufacturer's limited warranty of at
least 24 months, subject to the manufacturer's standard warranty
limitations.
INDIRECT-FIRED AIR HANDLER GUIDE SPECIFICATION
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