Page 2 - CONTENTS; SECTION
2 Safety Information ......................................................................... 3 Introduction ................................................................................... 4 Product Identification .................................................................... 4 Unpacking ...
Page 3 - WARNINGS; Carbon Monoxide Poisoning:; DANGER; Carbon monoxide poisoning may lead to death!
3 SAFETY INFORMATION • Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. • Never use heater where gasoline, paint thinner, or other highly flammable vapors are present. • Follow all local ord...
Page 4 - INTRODUCTION; PRODUCT
4 INTRODUCTION Fuel Cap LowerShell Power Cord Figure 1 - RV125EDI Hot AirOutlet Flame-outControl ResetButton FuelTank Fan Guard Air FilterEnd Cover PRODUCT IDENTIFICATION UNPACKING Upper Shell Interrupter This heater is designed to provide heated air. The heated air is free of harmfulexhaust gases. ...
Page 5 - ASSEMBLY; Tools Needed
5 ASSEMBLY This heater is furnished with wheels, handles, and an interrupter. These items andthe mounting hardware are found in the shipping carton. Tools Needed • Medium Phillips Screwdriver• 3/8" Open or Adjustable Wrench• Hammer 1. Slide axle through wheel support frame. Install wheels on axl...
Page 6 - THEORY OF; The Ignition System:; WARNING
6 THEORY CUTAWAY 125 EURO THEORY OF OPERATION FUELS CleanHeatedAir Out CoolAirIn OutputAirFilter Figure 3 - Cross Section Operational View SparkPlug BurnerHead Fan Motor Air Pump IntakeAir Filter Nozzle Heat Exchanger Outer Shell Exhaust GasesOutlet Exhaust gases cross overfrom combustion chamberto ...
Page 7 - To Start Heater
7 VENTILATION A standard 4 inch (10.16 cm) draft regulator is required only if total vertical andhorizontal length of the vent pipe exceeds 20 feet (6.1 meters). Regulator, ventpipe, and fittings are not supplied with the heater. Purchase these items at a localhardware store. OPERATION Figure 4 - Ve...
Page 8 - OPERATION; PREVENTATIVE; Item
8 OPERATION Continued To Stop Heater 1. Unplug power cord from outlet. To Restart Heater 1. Wait 2 minutes after stopping heater.2. Repeat steps under To Start Heater, page 7. PREVENTATIVE MAINTENANCE SCHEDULE STORAGE 1. Drain fuel tank. Locate drain plug on underside of fuel tank. Remove drain plug...
Page 9 - SHOOTING; OBSERVED FAULT
9 TROUBLE- SHOOTING OBSERVED FAULT POSSIBLE CAUSE REMEDY Wrong pump pressure Dirty air output, air intake and lint filters Dirty fuel filter Dirt in nozzle Dirty photocell lens Bad flame-out control See Pump Pressure Adjustment, page 11. See Air Output, Air Intake and Lint Filters, page 11. See Fuel...
Page 10 - Upper Shell Removal; Fan
10 SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side of heater using 5/16"nut-driver. These screwsattach upper and lowershells together. 2. Lift upper shell off.3. Remove fan guard. 125 SHELL REMOVAL PFA/P 050 UpperShell Fan Guard Figure 6 - Upper Shell Removal Fan IMPORTAN...
Page 12 - Spark Plug
12 Fuel Filter 1. Remove upper shell (see page 10). 2. Remove fan (see page 10).3. Loosen flare nut using 3/4" open-end wrench. Push fueltube down, away fromburner head. Fuel filter islocated inside of fuel tube. 4. Lift out fuel filter.5. Wash fuel filter with clean fuel and replace in fueltube...
Page 13 - Nozzle
13 Nozzle 1. Remove upper shell (see page 10). 2. Remove fan (see page 10).3. Remove spark plug wire from spark plug. 4. Remove spark plug from burner head using 13/16"open-end wrench. 5. Loosen flare nut using 3/4" open-end wrench.Push fuel tube down. 6. Remove air line hose from burner hea...
Page 14 - Pump Rotor
14 125 ROTOR PFA/P 058 Pump Rotor (Procedure if rotor is binding) 1. Remove upper shell (see page 10). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver. 5. Remove pump plate.6. Remove roto...
Page 19 - NOTES
Page 20 - WARRANTY AND REPAIR SERVICE; CERTIFICATE OF GENERAL; DESA; INTERNATIONAL
WARRANTY AND REPAIR SERVICE POSE. IN ANY EVENT IMPLIED WARRANTIES INCLUDINGTHOSE OF MERCHANTABILITY AND FITNESS FOR A PAR-TICULAR PURPOSE ARE LIMITED TO THE DURATION OFTHIS EXPRESS WARRANTY. Any transportation charges, costs of installation, duty, taxes or any other charges whatsoever must be borne ...