Desa LP155AT owner manual Propane Supply, Installation

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PROPANE SUPPLY INSTALLATION

PROPANE SUPPLY

Propane gas and propane tank(s) are to be furnished by the user.

Use this heater only with a propane vapor withdrawal supply system. See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58. Your local library or fire department will have this booklet.

The amount of propane gas ready for use from propane tanks varies. Two factors decide this amount:

1.The amount of propane gas in tank(s)

2.The temperature of tank(s)

The chart below shows the number of 100 pound tanks needed to run this heater.

Do not operate this product with any tank smaller than 100 pounds.

Temperature (° F)

Number of

tanks (150,000

At Tank Location

Btu/Hr)

32

2

20

2

10

3

0

3

-10

(Use larger

-20

tank)

Less gas is vaporized at lower temperatures. You may need two or more 100 pound tanks or one larger tank in colder weather. Your local propane gas dealer will help you select the proper supply system. The minimum surrounding-air temperature rating for each heater is -20°F (-29°C).

INSTALLATION

3.Connect hose to inlet connector. Tighten firmly using a wrench.

IMPORTANT: Extra hose or piping may be used if needed. Install extra hose or piping between hose/regulator assembly and propane tank. You must use the regulator supplied with heater.

4.Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane tank may stop gas flow. If this happens, close propane supply valve and open again slowly.

5.Check all connections for leaks.

WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

6.Close propane supply valve.

 

Hose

Supply

Regulator

 

Valve

 

Propane

Vent

(pointing down)

Tank

 

 

POL Fitting

Figure 3 - Regulator With Vent Pointing Down

WARNING: Review and understand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater. Follow all local codes when using this heater.

WARNING: Test all gas piping and connections for leaks after installing or servicing. Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.

1.

Provide propane supply system (see Propane Supply, column 1).

Hose

 

2.

Connect POL fitting on hose/regulator assembly to propane

 

 

tank(s). Turn POL fitting counterclockwise into threads on

Inlet Connector

 

 

tank. Tighten firmly using wrench. Tighten regulator with vent pointing down.

Figure 4 - Hose and Inlet Connector

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103014

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Contents Table of Contents Propane Construction TM HeaterSafety Information Unpacking Product IdentificationTheory of Operation Installation Propane SupplyMaintenance VentilationOperation StorageService Procedures Upper Shell RemovalFAN IgnitorSpecifications Wiring Diagrams Electrical Ladder DiagramIllustrated Parts Breakdown LP155AT ModelsParts List KEY Part Number Description QTYAccessories Replacement Parts Technical ServiceParts Under Warranty Parts not Under Warranty103014 Warranty and Repair Service

LP155AT specifications

Desa LP155AT is a versatile and efficient liquid propane heater that has become increasingly popular for both residential and commercial applications. Known for its reliability and performance, this heater offers a range of features that cater to the needs of users looking for a dependable heating solution.

One of the standout characteristics of the Desa LP155AT is its impressive heating capacity. With an output of 155,000 BTU, this heater can effectively warm large spaces, making it ideal for warehouses, garages, workshops, and other expansive areas. The ability to provide substantial heat not only enhances comfort but also increases productivity in environments where temperature control is crucial.

The design of the Desa LP155AT emphasizes portability and ease of use. Featuring built-in wheels, it is easy to move from one location to another, allowing for flexible heating options as the needs change throughout the day. Moreover, the heater is equipped with a durable steel construction that ensures longevity and resilience, capable of withstanding various environmental conditions.

Safety is a paramount consideration in the design of the Desa LP155AT. It includes an automatic shut-off feature that activates in the event of flame failure, ensuring that users can operate the heater with confidence. Additionally, the unit operates using liquid propane, a clean-burning fuel that minimizes emissions and environmental impact compared to other fuel sources.

The heater is designed for efficient fuel usage, optimizing performance while keeping operational costs manageable. The adjustable thermostat allows users to set desired temperatures for maximum comfort, and the forced air design ensures that heat is distributed evenly throughout the space.

In conclusion, the Desa LP155AT is a powerful, portable, and safe heating solution that meets the demands of various applications. With its robust construction, significant heating capacity, and user-friendly features, it is an excellent choice for anyone looking to enhance their heating capabilities. Whether for personal use or in a commercial setting, the Desa LP155AT proves to be a reliable partner in maintaining a warm and comfortable environment.
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