Desa CANADIAN PROPANE CONSTRUCTION CONVECTION HEATER Propane Supply, Installation, Operation

Models: CANADIAN PROPANE CONSTRUCTION CONVECTION HEATER

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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 with- drawal supply system. See Chapter 5 of the Stan- dard for Storage and Handling of Liquefied Pe- troleum 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:

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 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 °F (°C)

Number of tanks,

at Tank Location

100 pound (45 kg)

above 0°(-18°)

1

below 0°(-18°)

2

INSTALLATION

INSTALLATION WARNING: Test all gas pip- ing 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.

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.

Propane Supply

ValveOPERATION

Hose

Propane

Tank

Regulator

POL

Fitting

Figure 2 - Connecting Heater to Propane

Tank

Piezo

Ignitor

Hose

Inlet

Connector Automatic Control

Valve Button

Figure 3 - Hose and Inlet Connector,

Automatic Control Valve Button and

Piezo Ignitor Button Locations

OPERATION

TO START HEATER WARNING: Review and un- derstand the warnings in the Safety Informationsection, pages 2 and 3. They are needed to safely operate this heater. Follow all lo- cal 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

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www.desatech.com

112396-01A

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Desa CANADIAN PROPANE CONSTRUCTION CONVECTION HEATER owner manual Propane Supply, Installation, Operation, To Start Heater