Dometic DFLD40 User Manual

OPERATING
INSTRUCTIONS
Read these instructions carefully. These instructions MUST stay with this product.
USA & CANADA
SERVICE OFFICE
Dometic Corporation
1120 North Main Street
Elkhart, IN 46514
SERVICE CENTER &
DEALER LOCATIONS
Visit:
www.eDometic.com
Form No. 33401 09/17
©2017 Dometic Corporation
LaGrange, IN 46761
INTRODUCTION ............................................................................. 2
IMPORTANT SAFETY INSTRUCTIONS AND DOCUMENT SYMBOLS .................................... 2
OPERATION ................................................................................. 4
INSPECTION AND MONTHLY MAINTENANCE .................................................... 5
ANNUAL MAINTENANCE ...................................................................... 7
TROUBLESHOOTING ......................................................................... 7
REPLACEMENT PARTS ......................................................................... 7
WARRANTY ................................................................................. 8
DF Series Furnace
Models DFSAD12, DFSD12, DFSD16, DFSD20, DFMD16,
DFMD20, DFMD25, DFMD30, DFMD35, DFLD35,
DFLD40, DFLA35, DFLA40
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in serious
injury, death or property damage.
− 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 the vehicle.
• Shut off the gas supply at the gas container or source.
• Do not touch any electrical switch, or use any phone or radio
in the vehicle.
• Do not start the vehicle's engine or electric generator.
• Contact the 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 the gas supply until the gas leak(s) has been
repaired.
− Installation and service must be performed by a qualified
installer, service agency, or the gas supplier.

Dometic DFLD40 Specifications

General

Brand	Dometic
Model	DFLD40
Category	Furnace
Language	English

Summary

Important Safety Instructions and Document Symbols

Recognize Safety Information

Identifies the safety alert symbol used to warn of potential injury hazards.

Understand Signal Words

Explains signal words (Danger, Warning, Caution) and the info symbol for hazard severity.

Supplemental Directives

Emphasizes reading and understanding instructions before installation.

General Safety Messages

Warns against improper repair, modification, and emphasizes qualified technicians.

Fire or Explosion Hazard

Details precautions against flammable materials and gas leaks.

Critical Operation Warnings

Lists safe operating practices and operational restrictions for the furnace.

Carbon Monoxide Hazard

Electrical Shock Hazard

Operation

Turning On The Furnace

Provides a step-by-step guide for safely starting the furnace.

Turning Off The Furnace

Details the procedure for safely shutting down the furnace.

Inspection and Monthly Maintenance

Annual Maintenance

Troubleshooting

Furnace will not light - Blower does not turn on.

Troubleshooting steps when the blower does not start.

Furnace will not light - Blower does turn on.

Troubleshooting steps when blower runs but furnace won't light.

Furnace shuts off before it reaches the desired temperature.

Explains potential reasons for premature furnace shutdown.