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Modulating Unitary Range
VA-LT206_11292016al
IMPORTANT
These instructions, the layout drawing, local codes and ordinances, and applicable standards such
as apply to gas piping and electrical wiring comprise the basic information needed to complete the
installation, and must be thoroughly understood along with general building codes before proceeding.
Only personnel who have been trained and understand all applicable codes should undertake the
installation. Representatives that are Factory Certified in the service and application of this equipment
and can be called on for helpful suggestions about installation.
Installation Codes
Installations must comply with local building codes, or in their absence, the latest edition of the national
regulations and procedures as listed below.
General Installation and Gas Codes
Heaters must be installed only for use with the type of gas appearing on the rating plate, and the installation must
conform to the National Fuel Gas Code, ANSI Z223.1/NFPA 54 in the US and CSA B149.1 and B149.2 Installation
Codes in Canada.
This heater maybe approved for either indoor or outdoor installation. Not for use in residential dwellings, refer to
Rating plate.
Aircraft Hangar Installation
Installation in aircraft hangars must conform to the Standard for Aircraft Hangars, ANSI/NFPA 409 in the US and
CSA B149.1 and B149.2 Installation Codes in Canada.
Public Garage Installation
Installation in public garages must conform to the Standard for Parking Structures, NFPA-88A or Standard for
Repair Garages, NFPA 88B, in the US and CSA B149.1 and B149.2 Installation Codes in Canada.
Parking Structures
Technical requirements are outlined in ANSI/NFPA 88B (USA)
Gas Supply Lines
Gas supply pipe sizing must be in accordance with the National Fuel Gas Code, ANSI Z223.1/NFPA 54 in the US
and CSA B149.1 and B149.2 Installation Codes in Canada.
A 1/8 in NPT plugged tap must be installed in the gas line connection immediately upstream of the burner
farthest from the gas supply meter to allow checking of system gas pressure.
Electrical
All heaters must be electrically grounded in accordance with the National Electric Code, ANSI/NFPA 70 in the US,
and the Canadian Electric Code, CSA C22.1 in Canada, and must comply with all local requirements.
Venting
Refer to the National Fuel Gas Code, ANSI Z223.1 (NFPA 54) in the US and CSA B149.1 and B149.2 Installation
Codes in Canada, as well as all local requirements for general venting guidance.
INTRODUCTION
Advanced Radiant Systems’ unitary flagship is the Modulating Unitary Range (VA). The VA Range boasts the
highest turndown ratio in the industry on a unitary heater. Unlike other manufacturers’ units, the VA Range
modulates both fuel and air simultaneously for a true modulation benefit. By meeting building envelop heating
demands on an ongoing basis, energy consumption is minimized. Occupant comfort is also enhanced by
offering a more consistent temperature output than found with single and dual stage heaters. These units are
exceptionally suited for those areas in a facility with inconsistent heating demands.
Содержание VA Range
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