Atwood Mobile Products HYDRO FLAME 8940 User's Manual

Atwood Mobile Products Furnace User's Manual - HYDRO FLAME 8940.
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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

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 in2

80 in2

80 in2

80 in2

DIMENSIONS

WEIGHT

ALL MODELS WITH DOOR

WIDTH

HEIGHT

DEPTH

Casing

16-1/2˝

9-1/8˝

23-1/2˝ - 26˝

FURNACE

38 lbs.

Vent

5-3/8˝

SHIPPING

45 lbs.

ENGLISH, FRANCAIS (et Canada)

•Installation  

Effective 3/08

LITERATURE NUMBER

MPD 31232

hydro flameTM

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.