Desa B70D, R70D Fuels Ventilation Operation, To Start Heater, To Stop Heater, To Reset Heater

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70,000 Btu/Hr H.S.I. Series

PORTABLE FORCED AIR HEATERS

FUELS

VENTILATION

OPERATION

WARNING: Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gaso- line, naphtha, paint thinners, al- cohol, or other highly flammable fuels.

Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels will result in a clogged fuel filter and/or nozzle.

IMPORTANT: Use a KEROSENE ONLY storage container. Be sure storage container is clean. Foreign matter such as rust, dirt, or water will cause the ignition control assembly to shut down the heater. Foreign matter may also require you to clean fuel system often.

Follow the minimum fresh, outside air ventilation require- ments. If proper fresh, outside air ventilation is not provided, car- bon monoxide poisoning can occur. Provide proper fresh, out- side air ventilation before run- ning heater.

Provide at least a three-square-foot opening of fresh, outside air for each 100,000 Btu/Hr rating. Provide extra fresh air if more heat- ers are being used.

Example: A 70,000 Btu/Hr heater requires one of the following:

•a two-car garage door (16 feet wide open- ing) raised two inches

•a single-car garage door (9 feet wide opening) raised three inches

•two windows (30 inches wide opening) raised six inches

WARNING: Review and un- derstand the warnings in the Safety Information section, page

2.They are needed to safely op- erate this heater. Follow all local codes when using this heater.

TO START HEATER

1.Follow all ventilation and safety infor- mation.

2.Fill fuel tank with kerosene or No. 1 fuel oil.

3.Attach fuel cap.

4.Plug power cord of heater into three- prong, grounded extension cord. Exten- sion cord must be at least six feet long.

Extension Cord Wire Size Re- quirements

•6 to 10 feet long, use 18 AWG rated cord

•11 to 100 feet long, use 16 AWG rated cord

•101 to 200 feet long, use 14 AWG rated cord

5.Plug extension cord into standard 120 volt/ 60 hertz, three-hole, grounded outlet.

Note: Ignitor will preheat for five sec- onds then heater will start.

TO STOP HEATER

Unplug extension cord from outlet.

TO RESET HEATER

1.Unplug extension cord from outlet and wait 10 seconds (two minutes if heater has been running).

2.Plug extension cord into standard 120 volt/ 60 hertz, three-hole, grounded outlet.

Note: Ignitor will preheat for five sec- onds then heater will start.

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Contents Portable Forced AIR Heater Safety Information Portable Forced AIR HeatersProduct Identification Unpacking Theory of OperationTo Reset Heater Fuels Ventilation OperationTo Start Heater To Stop HeaterHow Often How To Corrosive fumesTroubleshooting Fault Condition Possible Cause RemedyService Procedures Pump Pressure AdjustmentUpper Shell Removal FANIgnition Control Assembly Procedure for Replacing FuseFuel Filter IgnitorNozzle Assembly Fuel and AIR Line Replacement Proper RoutingReplacement Parts Technical ServiceParts Under Warranty Parts not Under WarrantySpecifications Wiring DiagramAccessories Ignition ControlIllustrated Parts Breakdown R70D B70DParts List Number Description QTYWarranty Service Limited WarrantyRepair Service

R70D, B70D specifications

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