LITERATURE NUMBER MPD 31232
hydro flameTM
8900-III-LD Series Furnace
MODELS 8935, 8940
Technical Installation Manual
ENGLISH, FRANCAIS (et Canada)
THIS INSTRUCTION MANUAL IS FOR USE BY AN AUTHORIZED SERVICE TECHNICIAN TO INSTALL AN ATWOOD - hydro flameTM FURNACE.
INSTALLER: LEAVE THIS MANUAL WITH APPLIANCE.
CONSUMER: RETAIN THESE MANUAL FOR FURTHER REFERENCE.
This furnace design has been certified for installation in recre- ation vehicles as a MSP Category III furnace. Follow this installa- tion instruction to insure safe operation of the furnace. Failure to install furnace according to this installation instruction nullifies the furnace warranty.
SAFETY ALERT SYMBOLS
Safety Symbols alerting you to potential personal safety hazards. Obey all safety messages following these symbols.
WARNING | CAUTION |
avoid possible | avoid possible |
injury or death | injury and/or property damage |
WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
—WHAT TO DO IF YOU SMELL GAS
•Evacuate all persons from vehicle.
•Shut off gas supply at gas container or source.
•Do not touch any electrical switch, or use any phone or radio in vehicle.
•Do not start vehicle’s engine or electric generator.
•Contact nearest gas supplier or qualified Service Technician for repairs.
•If you cannot reach a gas supplier or qualified Service Technician, contact the nearest fire department.
•Do not turn on gas supply until gas leak(s) has been repaired.
—Installation and service must be performed by a qualified Service Technician, Service Center or gas supplier.
| •Installation |
| Effective 3/08 |
INDEX |
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FURNACE SPECIFICATIONS | 1 |
DIMENSIONS | 1 |
WEIGHT | 1 |
MINIMUM CLEARANCE TO FLOORBOARDS, WALLS, |
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& SIMILAR COMBUSTIBLE BUILDING MATERIALS | 2 |
SAFETY INFORMATION | |
FURNACE INSTALLATION | 2 |
VENT INSTALLATION - HORIZONTAL & VERTICAL | 2 |
WALL CUTOUT HORIZONTAL & VERTICAL | |
DUCTING HORIZONTAL & VERTICAL | 3 |
Flexible Ducting | 3 |
Hard Ducting | 3 |
OPTIONAL INSTALLATION - BOTTOM DISCHARGE KIT | 3 |
GAS CONNECTION | 3 |
ELECTRICAL CONNECTIONS | |
Conductor Sizing Table | 3 |
12 volt DC Models | 3 |
120 volt AC Models | |
Thermostat | 4 |
CONVERTIBLE GAS CONTROL | 4 |
Valve Conversion | 4 |
Orifice Replacement | 4 |
SYSTEM CHECK TESTS | 4 |
PROPANE GAS PRESSURE | 4 |
STATIC PRESSURE | 5 |
AC & DC WIRING DIAGRAMS | 5 |
ILLUSTRATIONS | 6 |
REPLACEMENT PARTS LIST & DRAWING | 7 |
SPECIFICATIONS |
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| *(W.C. = Water Column) | |||
MODEL # | 8935 |
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| 8940 |
| 8935 | 8940 | |||
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BTU Input | 35,000 |
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| 40,000 |
| 35,000 | 40,000 | ||||
Output BTU/HR | 27,300 |
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| 31,200 |
| 27,300 | 31,200 | ||||
Type Gas | LP |
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| LP |
| LP/NAT | LP/NAT | ||||
Duct Static Pressure - | .10˝ W.C.* |
| .10˝ W.C.* | .10˝ W.C.* | .10˝ W.C.* | ||||||
Power Supply (VOLTS) |
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Watts - WITH OUT DOOR | 151 |
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| 151 |
| 360 | 360 | |||
Amperage | 12.6 |
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| 12.6 |
| 3 | 3 | |||
MINIMUM RETURN AIR | 80 in2 |
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| 80 in2 |
| 80 in2 | 80 in2 | ||||
DIMENSIONS |
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| WEIGHT | ||
ALL MODELS WITH DOOR |
| WIDTH |
| HEIGHT |
| DEPTH |
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Casing |
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| FURNACE | 38 lbs. | ||||||
Vent |
| 5˝ |
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| SHIPPING | 45 lbs. |
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