OPERATION
To Start Heater (Cont.)
Flame Patterns
To Stop Heater
To Restart Heater
STORAGE
5
OPERATION
Continued
7.After iginition, hold control knob down for approximately 30 seconds. This activates the automatic control system.
8.When burner remains lit, set heater at the desired heat level by slightly depressing the control knob and turning it counterclock- wise to the Medium or High settings (see Figure 4, page 4).
9.If burner goes out, turn off gas. Slightly depress and turn con- trol knob fully clockwise to “OFF”. Check fuel supply. If ad- equate fuel is availavle, restart heater beginning at step #1, page 4.
FLAME PATTERNS
Figure 5 shows a correct flame pattern. The burner flame is mostly blue with a slight yellow coloring on the ends.
Figure 6 shows an incorrect flame pattern. The flame is mostly yellow. The incorrect flame pattern results from low gas pressure or from flashback.
CAUTION: Running heater below specified input rating may cause flashback. During flashback, the burner flame is mostly yellow. The flame will burn inside the burner tube, causing a roaring noise. If flashback occurs, turn heater off. After burner tube cools, restart the heater.
Incorrect Flame
Yellow Flame
Flame Inside Burner Tube (makes roaring noise)
Blue
Flame
Correct Flame Pattern
Figure 6 - Flame Pattern during Flashback
TO STOP HEATER
Slight Yellow Coloring on Flame Ends
Burner
Tube
Blue
Flame
1.Tightly close propane supply valve on propane tank(s). Allow heater to burn remaining fuel in hose.
2.Shut off main burner valve. Do this by slightly depressing con- trol knob and turning fully clockwise to “OFF”.
TO RESTART HEATER
1.Wait five minutes after stopping heater.
2.Repeat steps under To Start Heater, page 4.
STORAGE
CAUTION: Disconnect heater from propane sup- ply tank(s).
Figure 5 - Normal Flame Pattern at High Position
1.Store propane tank(s) in safe manner. Refer to Chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and/or CAN/CGA B149.2. Follow all local codes. Always store propane tanks outdoors.
2.Place plastic cover caps over brass fittings on valve inlet and hose/regulator assembly.
3.Store in a dry, clean, and safe place.
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