Desa owner manual D20H, D30H and D44H Models Portable Forced AIR Heaters, Safety Information

Page 2

D20H, D30H AND D44H MODELS PORTABLE FORCED AIR HEATERS

SAFETY

INFORMATION

WARNINGS

IMPORTANT: Read this Owner’s Manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

DANGER: Carbon monoxide poisoning may lead to death!

Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, and/or nau- sea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, per- sons with heart or lung disease or anemia, those under the influence of alcohol, and those at high altitudes.

Make certain you read and understand all Warnings. Keep this manual for reference. It is your guide to safe and proper operation of this heater.

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.

Fueling

a)Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer's instructions and applicable regulations regarding the safe fueling of heating units.

b)Only the type of fuel specified on the heater's data plate shall be used.

c)All flame, including the pilot light, if any, shall be extinguished and the heater allowed to cool, prior to fueling.

d)During fueling, all fuel lines and fuel- line connections shall be inspected for leaks. Any leaks shall be repaired prior to returning the heater to service.

e)At no time shall more than one day's supply of heater fuel be stored inside a building in the vicinity of the heater. Bulk fuel storage shall be outside the structure.

f)All fuel storage shall be located a minimum of 762cm (25 feet) from heaters, torches, welding equipment, and similar sources of ignition (exception: the fuel reservoir integral with the heater unit).

g)Whenever possible, fuel storage shall be confined to areas where floor penetrations do not permit fuel to drip onto or be ignited by a fire at lower elevation.

h)Fuel storage shall be in accordance with the authority having jurisdiction.

Never use heater where gasoline, paint thinner, or other highly flammable vapors are present.

Follow all local ordinances and codes when using heater.

Heaters used in the vicinity of tarpaulins, canvas, or similar enclosure materials shall be located a safe distance from such materials. The recommended minimum safe distance is 304.8cm (10 feet). It is further recommended that these enclo- sure materials be of a fire retardant na- ture. These enclosure materials shall be securely fastened to prevent them from igniting or from upsetting the heater due to wind action.

Use only in well-vented areas. Before us- ing heater, provide at least a 2800 square cm (three-square-foot) opening of fresh, outside air for each 100,000 Btu/Hr of rating.

Use only in places free of flammable va- pors or high dust content.

Use only the electrical voltage and fre- quency specified on model plate.

Use only a three-prong, grounded exten- sion cord.

Minimum heater clearances from com- bustibles:

Outlet: 250 cm (8 Ft.)

Sides, Top, and Rear: 125 cm (4 Ft.)

Locate heater on a stable and level sur- face if heater is hot or running or a fire may occur.

When moving or storing heater, keep heater in a level position or fuel spillage may occur.

Keep children and animals away from heater.

Unplug heater when not in use.

When used with thermostat, heater may start anytime.

Never use heater in living or sleeping areas.

Never block air inlet (rear) or air outlet (front) of heater.

Never move, handle, refuel, or service a hot, operating, or plugged-in heater.

Never attach duct work to front or rear of heater.

2

105843

Image 2
Contents Portable Forced AIR Heaters Safety Information D20H, D30H and D44H Models Portable Forced AIR HeatersProduct Identification Unpacking FuelsTools Needed AssemblyVentilation To Start Heater To Reset HeaterTheory Operation To Stop HeaterSchedule Preventative MaintenanceStoring TRANSPORTING, or Shipping How Often How ToTroubleshooting Fuel Filter Service ProceduresUpper Shell Removal D20H ModelDisconnecting Ignitor Wires from Ignition Control Assembly IgnitorPump Pressure Adjustment AIR OUTPUT, AIR INTAKE, and Lint FiltersNozzle Assembly Fuel and AIR Line Replacement Proper RoutingProcedure if Rotor is Binding Pump RotorIgnition Control Assembly SpecificationsWiring Diagram Procedure for Replacing FuseD20H Model Motor and Pump AssemblyIllustrated Parts Breakdown Parts List Number Description QTYD30H Model KEY Part Number Description QTY D44H Model D44H Model Desired partWheels and Handles AccessoriesIgnition Control ASSEMBLY/PHOTOCELL Tester HA1170 AIR Gauge KIT HA1180EC Conformity Declaration EC Conformity DeclarationWarranty Information