1
THIS INSTRUCTION MANUAL IS FOR USE BY AN AUTHORIZED SERVICE
TECHNICIAN TO INSTALL AN ATWOOD
- hydro flame
TM
FURNACE.
TO THE INSTALLER:
THESE INSTRUCTIONS MUST BE SUPPLIED WITH THE FURNACE TO THE CON-
SUMER. PLEASE RETAIN THESE INSTRUCTIONS 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
INDEX
FURNACE SPECIFICATIONS ..............................................................1
DIMENSIONS ..................................................................1
WEIGHT ........................................................................1
MINIMUM CLEARANCE TO FLOORBOARDS, WALLS,
& SIMILAR COMBUSTIBLE BUILDING MATERIALS..................................2
SAFETY INFORMATION..................................................................1-2
FURNACE INSTALLATION ..................................................................2
WALL CUTOUT ........................................................................2-3
DUCTING ..................................................................................3
Flexible Ducting......................................................................3
Hard Ducting ........................................................................3
OPTIONAL INSTALLATION - BOTTOM DISCHARGE KIT..................................3
GAS CONNECTION ........................................................................3
ELECTRICAL CONNECTIONS ..........................................................3-4
Conductor Sizing Table ............................................................3
12 volt DC Models................................................................3-4
120 volt AC Models ................................................................4
Thermostat ..........................................................................4
DOOR INSTALLATION ....................................................................4
RAIN SHIELD INSTALLATION ............................................................4
DRAFT CAP ASSEMBLY ..................................................................4
CONVERTIBLE GAS CONTROL ........................................................4-5
Valve Conversion ....................................................................4
Orifice Replacement ................................................................5
SYSTEM CHECK TESTS ....................................................................5
PROPANE GAS PRESSURE ..............................................................5
STATIC PRESSURE ........................................................................5
AC & DC WIRING DIAGRAMS ............................................................5
ILLUSTRATIONS ............................................................................6
REPLACEMENT PARTS LIST & DRAWING ..............................................7
SPECIFICATIONS *(W.C. = Water Column)
MODEL # 8935 8940 8935 8940
DCLP-III DCLP-III ACLC-III ACLC-III
BTU Input 35,000 40,000 35,000 40,000
Output BTU/HR 27,300 31,200 27,300 31,200
Type Gas LP LP LP/NAT LP/NAT
Duct Static Pressure - .10˝ W.C.* .10˝ W.C. .10˝ W.C. .10˝ W.C.
Power Supply (
VOLTS) 12-DC 12-DC 120-AC 120-AC
Watts 132 132 360 360
Amperage 11 11 3 3
MINIMUM RETURN AIR 80 in
2
80 in
2
80 in
2
80 in
2
DIMENSIONS
WEIGHT
ALL MODELS WITH DOOR WIDTH HEIGHT DEPTH
Casing 16-1/2˝ 9-1/8˝ 23-1/2˝ FURNACE 38 lbs.
Door 19-1/4˝ 9-1/4˝ 1/4˝ SHIPPING 45 lbs.
Recess Bezel 20-9/16˝ 11-1/2˝
ENGLISH, FRANCAIS (et Canada) •Installation
Effective 4/1/03
LITERATURE NUMBER
MPD 34473
hydro flame
TM
8900-III Series Furnace
MODELS 8935, 8940
Technical Installation Manual
WARNING
FIRE OR EXPLOSION
• 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.
FOR YOUR SAFETY
WARNING
FIRE OR EXPLOSION
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.
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