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Desa 75-200, 30-80 owner manual Propane Supply, Installation, Outer Shell, Connecting to GAS Supply

Models: 30-80 75-200

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PROPANE SUPPLY

You must provide propane gas and propane tank(s).

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 and/or CAN/CGA B149.2. Your local library or fire department will have this booklet.

This heater will operate with a 20-pound (9,07 kg) propane tank. However, you can only operate it in the LOW position during mildly cool weather. At higher heat settings or during colder weather, you must use larger tanks.

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 minimum number of

100-pound (45 kg) tanks needed to run the heater.

Connect tanks together with a manifold.

Average Temperature °F(°C)

Number

At Tank Location

Of Tanks

(80,000 Btu models)

20° (-6.7°) to 60° (15,6°)

1

0° (-17,8°) to 20° (-6.7°)

2

(200,000 Btu models)

20° (-6.7°) to 60° (15,6°)

2

0° (-17,8°) to 20° (-6.7°)

3

Less gas is vaporized at lower temperatures. Your

local propane gas dealer will help you select the

proper supply system.

 

INSTALLATION

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.

CAUTION: Never ignite and/ or run this heater uhnless the shells are fully extended and locked into position.

OUTER SHELL

IMPORTANT: When the heater is first removed from carton, the outer shell is in the down posi- tion. Protect hands before lifting outer shell. Never grasp bare metal without hand protection.

1.Care must be taken to protect hands during this step. Lift outer shell straight up as shown in Fig- ure 2, until all three clips engage slots in lower shell. Screw holes will line up at this point.

2.Lock clips into place with 3 screws as shown in Figure 2. The heater must not be operated unless the outer shell is properlly extended and fully locked into place.

Outer

Shell

 

 

 

Clip in Slot

3 Screws

200,

000

 

of Lower

 

BTU/

Shell

per Clip

 

 

 

 

HR

 

 

Figure 2 - Lifting Outer Shell

CONNECTING TO GAS SUPPLY

WARNING:Testallgaspiping and connections for leaks after installation 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, page 4).

2.Connect fuel gas fitting on hose/regulator assembly to propane tank(s). Turn fuel gas fitting counterclockwise into threads on tank. Tighten firmly using a wrench. IMPORTANT: Tighten regulator with vent pointing down. Pointing vent down protects regulator from weather damage.

3.Connect hose to the valve inlet. Tighten firmly using a wrench. You must use the regulator sup-

plied with heater even if propane tank has one.

4

www.desatech.com

113811-01A

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Desa 75-200, 30-80 owner manual Propane Supply, Installation, Outer Shell, Connecting to GAS Supply
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30-80, 75-200 specifications

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