Safety signal words are used to designate a degree or level of seriousness associated with a particular hazard. The signal words for safety markings are WARNING and
CAUTION.
a. WARNING indicates a potentially hazardous situa- tion which, if not avoided, could result in death or serious injury.
b.CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or mod- erate injury. It is also used to alert against unsafe practices and hazards involving only property dam- age.
▲! WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could re- sult in serious injury, death or property damage. Improper servicing could result in dangerous opera- tion, serious injury, death, or property damage.
GENERAL INSTALLATION INSTRUCTIONS
The manufacturer assumes no responsibility for equip- ment installed in violation of any code or regulation.
It is recommended that Manual J of the Air Condition- ing Contractors Association (ACCA) or A.R.I. 230 be fol- lowed in estimating heating requirements. When esti- mating heating requirements for installation at alti- tudes above 2000 ft., remember the gas input may need to be reduced (See High Altitude Installation).
Material in this shipment has been inspected at the factory and released to the transportation agency without known damage. Inspect exterior of carton for evidence of rough handling in ship- ment. Unpack carefully after moving equipment to approximate location. If damage to contents is found, report the damage immediately to the de- livering agency.
Codes and local utility requirements governing the installation of gas fired equipment, wiring, plumbing, and flue connections must be adhered to. In the ab- sence of local codes, the installation must conform with latest edition of the National Fuel Gas Code ANSI Z223.1 • National Installation Code, CAN/CGA B149.1. The latest code may be obtained from the American Gas Association Laboratories, 400 N. Capitol St. NW, Washington D.C. 20001.
These furnaces have been classified as CATEGORY IV furnaces in accordance with latest edition of ANSI Z21.47 • CAN/ CGA 2.3 standards.
Installer’s Guide Contents
INSTALLATION INSTRUCTIONS
General Installation Instructions | 3 | |
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Location and Clearances | 4 | |
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Outline Drawings | 5 | |
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Upflow Installation | 7 | |
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Downflow | Installation | 7 |
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Horizontal | Installation | 7 |
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Air For Combustion and Ventilation | 8 | |
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Duct Connections | 10 | |
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Return Air Filters | 11 | |
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General Venting Instructions | 15 | |
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Venting Material | 16 | |
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Venting Tables | ||
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Horizontal Venting | 20 | |
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Venting Through The Wall | 20 | |
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Venting Through The Roof | 23 | |
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Downward Venting | 23 | |
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Venting Through a Masonry Chimney | 23 | |
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Condensate Drain Instructions | 26 | |
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Electrical | Connections | 29 |
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Field Wiring Diagrams | ||
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Gas Piping | 31 | |
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Combustion Input Checks | 32 | |
Start Up and Adjustment | 35 |
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Preliminary Inspections | 35 |
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Lighting Instructions | 35 |
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Sequence Of Operation | 36 |
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Control And Safety Switch Adjustments | 36 |
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Airflow Adjustment | 36 |
Abnormal Conditions | 37 |
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IFC Error Flash Code | 39 |
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Category IV furnaces operate with positive vent static pressure and with a flue loss less than 17 percent. These conditions require special venting systems, which must be gas tight and water tight. These Category IV Direct Vent furnaces are approved for installation in Manufactured/ Mobile housing when used with BAYMFGH100A.
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