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58SB0B/58SB1B: Installation, Start–Up, Operating and Service and Maintenance Instructions
Fig. 4 – Return Air Temperature
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in personal injury, death
and/or property damage.
Do not install the furnace on its back or hang furnace with control
compartment facing downward. Safety control operation will be
adversely affected. Never connect return-air ducts to the back of the
furnace (see
Fig.
5).
Fig. 5 – Prohibit Installation on Back
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in personal injury, death,
and/or property damage.
When the furnace is installed in a residential garage, the burners and
ignition sources must be located at least 18 inches above the floor. The
furnace must be located or protected to avoid damage by vehicles.
When the furnace is installed in a public garage, airplane hangar, or
other building having a hazardous atmosphere, the furnace must be
installed in accordance with the NFGC (see
Fig. 6 – Installation in a Garage
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
A221115
A02054
Fig.
6).
A93044
5
CODES AND STANDARDS
Follow all national and local codes and standards in addition to these
instructions. The installation must comply with regulations of the
serving gas supplier, local building, heating, plumbing, and other codes.
In absence of local codes, the installation must comply with the national
codes listed below and all authorities having jurisdiction.
In the United States, follow all codes and standards for the following:
Safety
• USA: Current edition of National Fuel Gas Code (NFGC) NFPA
54/ANSI Z223.1 and the Installation Standards, Warm Air Heating
and Air Conditioning Systems ANSI/NFPA 90B.
General Installation
• Current edition of the NFGC and the NFPA 90B. For copies, contact
the National Fire Protection Association Inc., Batterymarch Park,
Quincy, MA 02269; (www.NFPA.org) or for only the NFGC, contact
the American Gas Association, 400 N. Capitol Street, N.W.,
Washington, DC 20001 (www.AGA.org).
Combustion and Ventilation Air
• Current edition of NFGC NFPA54/ANSI Z223.1 Section 9.3, Air for
Combustion and Ventilation.
Duct Systems
• Air Conditioning Contractors Association (ACCA) Manual D, Sheet
Metal and Air Conditioning Contractors National Association
(SMACNA), or American Society of Heating, Refrigeration, and Air
Conditioning Engineers (ASHRAE) 2005 Fundamentals Handbook
Chapter 35 or 2004 HVAC Systems and Equipment Handbook
Chapters 9 and 16.
Acoustical Lining and Fibrous Glass Duct
• Current edition of SMACNA and NFPA 90B as tested by UL Standard
181 for Class I Rigid Air Ducts.
Gas Piping and Gas Pipe Pressure Testing
• Current edition of NFGC NFPA54/ANSI Z223.1; chapters 5, 6, 7, and
8 and National Plumbing Codes.
Electrical Connections
• Current edition of National Electrical Code (NEC) NFPA 70.
Venting
• Current edition of NFGC NFPA 54 / ANSI Z223.1; Chapters 12 and
13.
ELECTROSTATIC DISCHARGE (ESD)
PRECAUTIONS PROCEDURE
1. Disconnect all power to the furnace. Multiple disconnects maybe
required. DO NOT TOUCH THE CONTROL OR ANY WIRE
CONNECTED TO THE CONTROL PRIOR TO DISCHARGING
YOUR BODY'S ELECTROSTATIC CHARGE TO GROUND.
CAUTION
!
FURNACE RELIABILITY HAZARD
Improper installation or service of furnace may cause premature
furnace component failure.
Electrostatic discharge can affect electronic components. Follow the
Electrostatic Discharge Precautions Procedure listed below during
furnace installation and servicing to protect the furnace electronic
control. Precautions will prevent electrostatic discharges from
personnel and hand tools which are held during the procedure. These
precautions will help to avoid exposing the control to electrostatic
discharge by putting the furnace, the control, and the person at the same
electrostatic potential.
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