Desa Btu, Hr Propane Supply, Installation, Operation, WARNING Testallgaspiping, To Start Heater

Models: Hr Btu

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PROPANE SUPPLY

PROPANE SUPPLY

Propane gas and propane tank(s) are to be fur- nished by the user.

Use this heater only with a propane vapor

4.Check all connections for leaks. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak that must be corrected.

5.Close propane supply valve.

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.

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

Propane Supply

Valve Figure 2 - Connecting Heater to Propane

Propane

Tank

POL

Hose

Regulator

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

2.The temperature of tank(s)

This heater is designed to operate with a minimum

20 lb (9 kg) tank. You may need two or more tanks

Fitting

Figure 2 - Connecting Heater to Propane

Tank

or one larger tank in colder weather. Use a 100 lb

(45 kg) tank for longer operation or in very cold

weather. Less gas is vaporized at lower tempera-

tures. Your local propane gas dealer will help you

select the proper supply system.

Temperature

Number of tanks,

at Tank Location

100 lb (45 kg)

above 0° F (-18° C)

1

below 0° F (-18° C)

2

Smaller tanks can be used for limited run times

but it is recommended to use larger tanks for

optimum performance.

 

Piezo

Ignitor

Hose

Inlet

Connector

Automatic Control Valve Button

INSTALLATION

 

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.Wrench tighten the fuel connector nut into the propane tank valve (see Figure 2). Turn fuel connector nut counterclockwise to tighten. Threads are left-handed.

2.Connect hose to inlet connector (see Figure 3). Tighten firmly using a wrench.

3.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, you may hear a click inside the regulator assembly, this is the check valve clos- ing. To reset the excess-flow check valve, close propane supply valve and open it again slowly.

Figure 3 - Hose and Inlet Connector,

Automatic Control Valve Button and
Piezo Ignitor Button Locations

OPERATION

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.

TO START HEATER

1.Follow all installation, ventilation, and safety information.

2.Locate heater on stable and level surface. Make sure strong drafts do not blow on heater.

3.Open propane supply valve on propane tank(s) slowly.

4.Turn the heater regulator knob clockwise to the “HI” position.

5.Push in and hold automatic control valve button (see Figure 3). Push and release piezo ignitor button. Keep pushing piezo ignitor button until the burner lights. Hold control knob down

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Desa Btu, Hr owner manual Propane Supply, Installation, Operation, WARNING Testallgaspiping, and connections for leaks after