F8AUH
Gas Furnaces –
45,000 to 120,000 Btuh (13.2 to 35.2 kW) Heating Capacity
1 through 5 Tons (3.5 to 17.6 kW)
User’s Information Manual
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
503,995M
06/99 Supersedes 05/99
Table of Contents
Important Directions | 2 | Venting System Inspection | 5 |
Lighting Information and Operation | 3 | Flame Rollout Safety Switches | 5 |
Filters | 4 | Safety Reminder | 5 |
Blower | 5 | Safety Precautions | 5 |
Burner Flame | 5 | Planned Service | 6 |
Model Number Identification
F 8 A UH * * –24 –045 X 2 V
NOTE - Shaded area denotes part of model no. referenced in publication.
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| Furnace |
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| AFUE |
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| 8 - 80% |
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| 9 - 90% |
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| Generation |
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| Configuration |
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| UF - |
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| Cabinet Color | ||||||||
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| DF - |
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| L - Beige | |||||||
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| HZ - Horizontal |
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| G - Gray | |||||||
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| MP- |
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| B - Brown | |||||||
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| DH- Downflow/Horizontal |
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| R - Green | |||||||
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| UH- |
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| S - Silver | |||||||
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| Blower Motor |
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| Gas Valve |
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| V - Variable Speed Motor |
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| Blank - Multi6Speed Motor |
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| 2 - Two Stage Valve |
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| Blank 6 Single Stage Valve |
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| Options | ||||
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| Btuh Input (kW) |
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| X - Low NOx | ||||||
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| 045 - 45,000 (13.2) |
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| P - LPG/Propane Gas | |||||||||
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| 060 - 60,000 (17.6) |
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| S - Stainless Steel Heat Exchanger | |||||||||
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| 075 - 75,000 (22.0) |
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| Z - Stainless Steel Heat Exchanger/Low NOx | |||||||||
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| 100 - 100,000 (29.3) |
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| Blank - No options | |||||||||
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| 120 - 120,000 (35.1) |
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| Additive Cooling (Nominal) |
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| Door Color |
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| 18 | - 1.5 Ton ( kW) |
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| 24 | - 2 Ton ( kW) |
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| L - Beige |
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| 30 | - 2.5 Ton ( kW) |
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| G - Gray |
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| 36 | - 3 Ton ( kW) |
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| B - Brown |
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| 42 | - 3.5 Ton ( kW) |
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| R - Green |
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| 48 | - 4 Ton ( kW) |
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| S - Silver |
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| 60 | - 5 Ton ( kW) |
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| WARNING | |
| If the information in this manual is not | |
| followed exactly, a fire or explosion | |
| may result causing property damage, | |
FBR 113270 | personal injury or death. | |
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Do not store or use gasoline or oth4 | WHAT TO DO IF YOU SMELL GAS: | |
er flammable vapors and liquids in | Do not try to light any appliance. | |
the vicinity of this or any other ap4 | ||
Extinguish any open flames. | ||
pliance. | ||
Do not touch any electrical switch; do not | ||
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Installation and service must be | use any phone in your building. | |
performed by a qualified installer, | Immediately call your gas supplier from a | |
service agency or the gas supplier. | neighbor's phone. Follow the gas suppli4 | |
| er's instructions. | |
| If you cannot reach your gas supplier, call | |
| the fire department. |
1 | 1999 |
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