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110373-01A
For more information, visit www.desatech.com
For more information, visit www.desatech.com
11
11
INSPECTING BURNER
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 18 shows a correct pilot flame pattern. Figure 19 shows an
incorrect pilot flame pattern. The incorrect pilot flame is not
touching the thermocouple. This will cause the thermocouple to
cool. When the thermocouple cools, the heater will shut down.
If pilot flame pattern is incorrect, as shown in Figure 19
• turn heater off (see To Turn Off Gas to Appliance, page 10)
• see Troubleshooting, pages 13 through 15
INSPECTING BURNER
Pilot Flame Pattern
Burner Flame Heater
STORAGE
BURNER FLAME PATTERN
Figure 20 shows a correct burner flame pattern. Figure 21 shows an
incorrect burner flame pattern. The incorrect burner flame pattern
shows yellow tipping of the flame. It also shows the flame higher
than 1/2 the glass panel height.
WARNING: If yellow tipping occurs, your heater
could produce increased levels of carbon monoxide.
If burner flame pattern shows yellow tipping, see the
following instructions.
NOTICE: Do not mistake orange flames with yellow
tipping. Dust or other fine particles enter the heater
and burn causing brief patches of orange flame.
If burner flame pattern is incorrect, as shown in Figure 23
• turn heater off (see To Turn Off Gas to Appliance, page 10)
• see Troubleshooting, pages 13 through 15
GRH/OV 008BAD PILOT/LP
GRH/O
V
GOOD PILOT/LP
Thermocouple
Pilot Burner
Figure 18 - Correct Pilot Flame Pattern
Thermocouple
Pilot Burner
Figure 19 - Incorrect Pilot Flame Pattern
Figure 20 - Correct Burner Flame Pattern
1/2 GLASS HEIGHT
1/2 GLASS HEIGHT
Figure 21 - Incorrect Burner Flame Pattern
Yellow Tipping
STORAGE
CAUTION: Disconnect heater from propane/LP
supply tank(s).
When the propane/LP supply cylinder is not disconnected from the
heater, the heater and the cylinder must be stored outdoors, in a well
ventilated space, out of reach of children. Do not store in a building,
garage or any other enclosed area.
Storage of the heater is permissible only if the cylinder is discon-
nected and removed from the heater. Cylinders must be stored
outdoors out of reach of children. Do not store in a building, garage
or any other enclosed area.
1. Store propane tank(s) in safe manner. See Chapter 5 of Stan-
dard for Storage and Handling of Liquefied Petroleum Gases,
ANSI/NFPA 58. Follow all local codes. Always store propane
tanks outdoors.
2. Place plastic cover caps over brass fittings on inlet connector
and hose/regulator assembly.
3. Store in dry, clean, and safe place. Do not store hose/regulator
assembly inside heater combustion chamber.
4. When taking heater out of storage, always check inside of
heater. Insects and small animals may place foreign objects in
heater.
Thermocouple
Pilot Burner
Pilot
Burner
Thermocouple
Blue Flame
Yellow
Flame