Inspecting Burners - Desa HDLE2824NR Owner's Operation And Installation Manual

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Safety Features
When away from home for an extended period
of time or as a child safety feature to prevent
accidental ignition of the fireplace, the receiver
ON/OFF/REMOTE switch should be in the
OFF position.
Auto Shutoff Feature
1. If the average room temperature reaches
a range of 82° F (28° C) to 92° F (33° C),
the hand-held remote control will perform
a safety override and shut the fireplace off.
This feature is not available in the MANU
mode.
2. The receiver continuously receives sig-
nals from the hand-held remote to control
Check pilot flame pattern and burner flame
patterns often.
PILOT FLAME PATTERN
Figure 32 shows a correct pilot flame pattern.
Figure 33 shows an incorrect pilot flame pat-
tern. The incorrect pilot flame is not properly
heating the thermocouple. When the ther-
mocouple cools, the heater will shut down.
If pilot flame pattern is incorrect, as shown
in Figure 33
• turn heater off (see To Turn Off Gas to Ap-
pliance, page 21)
• see Troubleshooting, page 24
Note: The pilot flame on natural gas units will
have a slight curve, but the flame should be
blue and have no yellow or orange color.
Pilot Burner
Thermocouple
Propane/LP Gas
Figure 32 - Correct Pilot Flame Pattern
22
OPERATION
Continued

INSPECTING BURNERS

Natural Gas
www.desatech.com
the room temperature. If the hand-held
remote is misplaced, obstructed or for any
reason cannot transmit to the receiver, the
receiver will shut off the fireplace. This will
occur in 8 or more minutes depending
upon location of remote transmitter and
strength of batteries.
Key Pad Lock Feature
This feature allows the user to lock/unlock the
keypad on the hand-held remote in the MANU
or AUTO mode to prevent inadvertent op-
eration (i.e. children operating the hand-held
remote control, etc.). The keypad is locked in
either on or off. Press the POWER and LOCK
buttons together to turn the unit on or off.
Pilot Burner
Thermocouple
Propane/LP Gas
Figure 33 - Incorrect Pilot Flame Pattern
MAIN BURNER
Periodically inspect all burner flame holes with
the heater running. All slotted burner flame
holes should be open with yellow flame pres-
ent. All round burner flame holes should be
open with a small blue flame present. Some
burner flame holes may become blocked by
debris or rust, with no flame present. If so,
turn off heater and let cool. Remove blockage,
blocked burner flame holes will create soot.
Natural Gas
119921-01F

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