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.
----0˝ VERTICAL BOTTOM Spacing of 1/4˝ to ducting within 3 feet of furnace must be provided unless UL listed wire bound vinyl ducts are used. All ducting material should be rated for continuous use at 200˚F. : Clearances are specifically for plywood or similar building materi- NOTE als surrounding furnace (i.e.
( GAS CONNECTION 1. Connect gas line to fitting on top rear of furnace. Be sure all male pipe threads, other than flare fittings, are treated with a sealing com- pound resistant to the action of propane (LP) gas.
3-G. AC units switch is in valve circuit only. POWER SUPPLY Atwood Mobile Products highly recommends the use of an electronic (solid state) converter with clean, clear power output. This will assure the life of the electronic controls and motor life could be extended as much as 500% beyond typical linear converter applications.
Valve Assembly (Vanne) Valve Conversion (Vanne de conversion) 8900-III DC WIRING GROUND ELECTRODE MOTOR BLACK YELLOW ON/OFF SWITCH VALVE SAIL BLW PWR YELLOW SWITCH IGNITION BOARD WHITE LIMIT SWITCH BLUE BLUE YELLOW HIGH TENSION IMPORTANT: If any original wire has to be replaced, it must be replaced with type 105 C or its equivalent.
8900-III-LD Series Furnace Models 8935, 8940 DRAWING DESCRIPTION OF PARTS Thermostat - specify color Duct Cover Plate Duct Adapter Orifice — SPECIFY GAS & BTU Combustion Wheel Motor Gasket Valve DC Valve Repl Coil DC Electronic Ignition Board DC Kit...