www.desatech.com
116746-01A
24
OPERATING FIREPLACE
Continued
2. The receiver continuously receives signals
from the hand-held remote to control 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 after 8 minutes.
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
operation (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.
INSPECTING BURNERS
Check pilot flame pattern and burner flame pat-
terns often.
PILOT FLAME PATTERN
Figure 35 shows a correct pilot flame pattern.
Figure 36 shows an incorrect pilot flame pattern.
The incorrect pilot flame is not touching the ther-
mocouple. This will cause the thermocouple to
cool. When the thermocouple cools, the fireplace
will shut down.
If pilot flame pattern is incorrect, as shown in
Figure 36
• turn fireplace off (see
To Turn Off Gas to Ap-
pliance
, page 20 or 22, depending on your
model.)
• see
Troubleshooting
, page 27
Note:
The correct pilot flame on natural gas units
will have a slight curve, but flame should be blue
and have no yellow or orange color.
MAIN BURNER
Periodically inspect all burner flame holes with the
heater running. All slotted burner flame holes should
be open with yellow flame present. 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 may create soot.
FRONT BURNER FLAME PATTERN
Figure 37 shows correct front burner flame pat-
tern. Figure 38 shows incorrect front burner flame
pattern. The incorrect burner flame pattern shows
yellow tipping at top of blue flame.
If front burner flame pattern is incorrect, as
shown in Figure 38
• turn fireplace off (see
To Turn Off Gas to Ap-
pliance
, page 20 or 22, depending on your
model.)
• see
Troubleshooting
, page 27
Figure 35 - Correct
Pilot Flame Pattern
Pilot Burner
Figure 36 - Incorrect
Pilot Flame Pattern
Pilot
Burner
Thermocouple
(Pilot May Vary From Ones Shown)
Figure 37 - Correct Burner Flame Pattern
Figure 38 - Incorrect Burner Flame
Pattern
Yellow Tipping At Top of Blue Flame
