Intended Use - Dometic DF Series Service Manual

1.3 Supplemental directives

Read and follow all safety information and instructions to avoid possible injury or death.
Read and understand these instructions before service or maintenance of this product.
Incorrect service or maintenance of this product can lead to serious injury.
The installation must comply with all applicable local or national codes, including the latest edition of the
following standards:
U.S.A.
• ANSI/NFPA70, National Electrical Code (NEC)
• ANSI/NFPA 1192, Recreational Vehicles Code
1.4 General safety messages
 Failure to obey the following warnings could result in death or serious injury:
• SERVICE HAZARD:
– Installation, repairs and preventative maintenance should be done by a qualified service person only.
– The furnace should be inspected before use and at least annually, by a qualified service person only.
• HIGH TEMPERATURE HAZARD:
– Do not touch or put combustibles on or near the furnace.
– Supervise young children in the same room as the furnace.
• CARBON MONOXIDE POISONING HAZARD. Improper installation, adjustment, alterations, service, or
maintenance can cause death or serious injury.
• ELECTRICAL HAZARD:
– Label all wires prior to disconnection when servicing. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.
– Do not use 120 VAC current with DC models.
• HAZARDOUS WASTE HAZARD. Some old thermostats may contain mercury. Handle with care. Dispose of
properly.
• ELECTRICAL SHOCK, FIRE, EXPLOSION, AND/OR CARBON MONOXIDE HAZARD.
– Use only Dometic replacement parts and components, which are specifically approved for use with the
Furnace.
– Disconnect electricity to the appliance before installation or service.
– Do not cause a short in the control terminals of the appliance.
– Wiring must conform to local codes and ordinances.
I
When appliances have time-delay controls, the system's operation will lag behind the thermostat's call for
heat.

2 INTENDED USE

This service manual is intended for use by OEM installers and dealer technicians. It is not intended for use by RV
owners, or those unfamiliar with the workings of furnaces used in the RV industry.
Manual users are assumed to have a basic understanding of RV HVAC best practices and experience in the
proper use of the tools and materials related to installing, operating, maintaining, and servicing of HVAC
equipment used in the RV industry.
3
Canada
• CSA C22.1, Parts l & ll, Canadian Electrical Code
• CSA Z240 RV Series, Recreational Vehicles
Furnaces
EN