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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