Desa D44N, D20N, D30N owner manual Assembly, Ventilation, Tools Needed

Page 4

D20N, D30N AND D44N MODELS PORTABLE FORCED AIR HEATERS

ASSEMBLY

These models are furnished with wheels and handles. Wheels, handles, and the 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 axle.

 

IMPORTANT: When installing wheels,

 

point extended hub of wheels toward

 

wheel support frame (see Figure 3).

2.

Place cap nuts on axle ends. Gently tap

 

with hammer to secure.

3.

Place heater on wheel support frame.

 

For D20N model, make sure outlet end

 

(front) of heater is over wheels. For

 

D30N and D44N models, make sure air

 

inlet end (rear) of heater is over wheels.

 

Line up holes on fuel tank flange with

D20N Model

Sleeve Cap

Screw

 

 

Hot Air

 

 

Outlet

Handle

 

 

 

Fuel

Air

 

Tank

 

Inlet

 

Flange

 

 

Axle

Cap Nut

Nut

Extended

Hub

 

Wheel

Front

HandleWheel Support

Frame

Screw

holes on wheel support frame.

4. For D20N model, place rear handle on

top of fuel tank flange. For D30N and

D44N models, place front handle and

rear handle on top of fuel tank flange.

Insert screws through handle(s), fuel

tank flange, and wheel support frame.

Attach nut finger tight after each screw

is inserted.

5. After all screws are inserted, tighten

nuts firmly.

Hot Air

Outlet

Fuel

Tank

Flange

Wheel

Support

Frame

WheelNut

Cap Nut

Rear

Handle

Air

Inlet

D30N and D44N Models

Extended

Axle Hub

VENTILATION

Figure 3 - Wheel and Handle Assembly

WARNING: Follow the mini- mum fresh, outside air ventilation requirements. If proper fresh, out- side air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, out- side air ventilation before running heater.

Provide a fresh air opening of at least 2800 square cm (three square feet) for each 100,000 Btu/Hr rating. Provide extra fresh air if more heaters are being used.

Example: A 150,000 Btu/Hr heater requires one of the following:

a two-car garage door [4.9 m (16 ft.) open- ing] raised 9 cm (3.5 inches)

a single-car garage door [2.75 m (9 ft.) opening] raised 15.25 cm (6 inches)

two, 76 cm (30 inch) windows raised 28 cm (11 inches)

4

105843

Image 4
Contents Portable Forced AIR Heaters Safety Information D20N, D30N and D44N Models Portable Forced AIR HeatersProduct Identification Unpacking FuelsVentilation AssemblyTools Needed To Reset Heater Extension Cord Wire Size RequirementsTheory Operation To Start HeaterPreventative Maintenance TroubleshootingStoring TRANSPORTING, or Shipping ScheduleObstruction in nozzle assembly Water in fuel tank Drain and flush fuel tank with cleanON/OFF switch light remains on Filter Photocell and ignition control assemblyService Procedures Upper Shell RemovalFuel Filter D20N 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 Remove Old AssemblyInstalling the New Assembly FANIllustrated Parts Breakdown Motor and Pump AssemblyD20N Model Parts List Number Description QTYD30N Model KEY Part Number Description QTY D44N Model D44N Model Desired partWheels and Handles NTC-3CAccessories SpecificationsWiring Diagram EC Conformity Declaration EC Conformity Declaration105843 Warranty Information

D30N, D44N, D20N specifications

Desa D30N, D20N, and D44N are advanced digital communication devices designed to enhance connectivity and streamline information transfer across various industries. These models exemplify modern technological innovations while addressing the growing demands for efficient communication in an increasingly interconnected world.

The Desa D30N is recognized for its impressive data transmission capabilities, featuring a robust multimedia communication interface that supports seamless integration across multiple platforms. This model employs cutting-edge encoding technologies that ensure high-quality audio and video streaming, making it an ideal choice for enterprises looking to facilitate clear and efficient virtual meetings. The D30N also incorporates advanced encryption protocols to safeguard sensitive information, ensuring secure end-to-end communication.

In contrast, the Desa D20N focuses on versatility and ease of use. This model is designed with a user-friendly interface that allows for quick deployment and intuitive operation. It supports numerous connectivity options, from traditional wired connections to modern wireless protocols, making it suitable for a variety of environments. The D20N is particularly well-suited for small to medium-sized businesses, providing essential communication tools without the need for extensive technological investment. Its compact design also allows it to fit conveniently into any workspace.

The Desa D44N stands out with its high-performance specifications tailored for heavy-duty applications. This model is engineered to deliver exceptional reliability and durability, making it suitable for demanding industrial environments. With enhanced signal processing capabilities, the D44N can handle multiple data streams simultaneously without compromising performance. It also incorporates long-range communication technologies, which enable it to maintain stable connections over considerable distances. This feature is essential for industries that require continuous monitoring and coordination across vast operational landscapes.

All three models—D30N, D20N, and D44N—boast compatibility with various operating systems and software applications, ensuring they can meet the unique needs of different users. Moreover, they are designed with energy efficiency in mind, promoting sustainable practices within organizations.

In summary, the Desa D30N, D20N, and D44N are exemplary digital communication solutions, each optimized for distinct operational requirements. With their unique technologies and characteristics, these devices play a pivotal role in fostering effective communication, enhancing productivity, and supporting ambitious business strategies in the digital age.