1
THIS INSTRUCTION MANUAL IS FOR USE BY AN AUTHORIZED SERVICE
TECHNICIAN TO INSTALL AN ATWOOD
-
hydro flame
TM
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
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
VENT INSTALLATION - HORIZONTAL & VERTICAL
......................................
2
WALL CUTOUT
HORIZONTAL & VERTICAL
..............................................
2
-
3
DUCTING
HORIZONTAL & VERTICAL
......................................................
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
120 volt AC Models
..............................................................
3
-
4
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
*
(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 -
WITH OUT DOOR
151
151
360
360
Amperage
12.6
12.6
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˝ - 26˝
FURNACE
38 lbs.
Vent
5˝
5-3/8˝
SHIPPING
45 lbs.
ENGLISH, FRANCAIS
(et Canada)
•Installation
Effective 3/08
LITERATURE NUMBER
MPD 31232
hydro flame
TM
8900-III-LD Series Furnace
MODELS
8935, 8940
Technical Installation Manual
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.
