Desa B70D, R70D owner manual Portable Forced AIR Heaters, Safety Information

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

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 re- semble the flu, with headaches, dizziness, and/or nausea. 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 preg- nant women, persons 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, alco- hol, or other highly flammable fuels.

Fueling

a)Personnel involved with fueling shall be qualified and thoroughly familiar with the manufacturer’s instructions and applicable federal, state, and lo- cal regulations regarding the safe fu- eling 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 al- lowed 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 25 feet from heaters, torches, welding equipment, and simi- lar sources of ignition (exception: the fuel reservoir integral with the heater unit).

g)Whenever possible, fuel storage shall be confined to areas where floor pen- etrations 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 federal, state, or local author- ity 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 10 feet. It is further rec- ommended that these enclosure materi- als be of a fire retardant nature. These enclosure materials shall be securely fas- tened to prevent them from igniting or from upsetting the heater due to wind action.

Use only in well-vented areas. Before using heater, provide at least a three- square-foot opening of fresh, outside air for each 100,000 Btu/Hr of rating. This heater produces carbon monoxide, which is listed by the State of California as a reproductive toxin under Proposition 65.

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: 8 Ft.

Sides:

4 Ft.

Top: 4 Ft.

Rear:

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.

Approved by the New York City Fire Department under certificate of approval #4803, #4860, #4908, or #4909. To be used only at construction sites in accor- dance with applicable New York City Codes, Regulations, Rules, Directives, Permits, etc.

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Contents Portable Forced AIR Heater Safety Information Portable Forced AIR HeatersProduct Identification Unpacking Theory of OperationTo Start Heater To Reset HeaterFuels Ventilation Operation To Stop HeaterHow Often How To Corrosive fumesTroubleshooting Fault Condition Possible Cause RemedyUpper Shell Removal Service ProceduresPump Pressure Adjustment FANFuel Filter Ignition Control AssemblyProcedure for Replacing Fuse IgnitorNozzle Assembly Fuel and AIR Line Replacement Proper RoutingParts Under Warranty Replacement PartsTechnical Service Parts not Under WarrantyAccessories SpecificationsWiring Diagram Ignition ControlIllustrated Parts Breakdown R70D B70DParts List Number Description QTYRepair Service Limited WarrantyWarranty Service

R70D, B70D specifications

Desa B70D and R70D are prominent models within the advanced range of digital printing solutions offered in the contemporary market. These printers are designed to meet the diverse requirements of businesses and individual users who demand high-quality prints with exceptional efficiency.

One of the main features of the Desa B70D is its impressive print resolution, which can reach up to 1200 x 1200 DPI. This high resolution ensures that every detail is captured crisp and clear, making it ideal for producing professional-grade documents, brochures, and marketing materials. The R70D model complements this with its enhanced color reproduction capabilities, allowing for vibrant prints that stand out in any setting.

Both models incorporate cutting-edge technology to streamline the printing process. They support automatic duplex printing, significantly reducing paper consumption and costs, as well as minimizing environmental impact. This feature is particularly beneficial for businesses looking to promote sustainability while maintaining productivity.

Another key characteristic of the Desa B70D and R70D is their robust and reliable performance. Equipped with high-capacity ink systems, these printers can handle large printing volumes with minimal maintenance. This efficiency translates to less downtime, making them suitable for environments where time and productivity are of the essence.

User-friendly interfaces are also a defining feature of these printers. They come with intuitive control panels and easy navigation systems, making them accessible even for those with limited technical expertise. Additionally, connectivity options such as Wi-Fi, Ethernet, and mobile printing capabilities ensure that users can print easily from various devices, enhancing workflow efficiency.

In conclusion, the Desa B70D and R70D represent advanced solutions in the digital printing landscape. Their combination of high-resolution output, sustainable features, and user-friendly functionality makes them an excellent choice for businesses and individuals alike. As technology continues to evolve, these models are well-equipped to meet the future demands of printing. Whether you require sharp text documents or vibrant visuals, these printers deliver performance that stands out in today’s competitive market. Their reliability and efficiency make them an invaluable asset to any printing operation, thereby establishing a strong foothold in the realm of digital printing technology.