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107032-01F
For more information, visit www.desatech.com
For more information, visit www.desatech.com
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INSPECTING BURNERS
Check pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 55 shows a correct pilot flame pattern. Figure 56 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 fireplace will shut down.
Figure 55 - Correct Pilot Flame
Pattern (Propane/LP Remote-
Ready Shown)
Pilot Burner
Thermocouple
Figure 56 - Incorrect Pilot Flame
Pattern (Propane/LP Remote-
Ready Shown)
Pilot Burner
Thermocouple
OPERATING FIREPLACE
Continued
OPERATING FIREPLACE (REMOTE-READY MODELS)
GWMS2 Wall Mounted Switch (Optional)
Operating Blower
INSPECTING BURNERS
Pilot Flame Pattern
Burner Flame Pattern
Make sure the heater switch is on AUTO. This wall switch works
just like the conventional light switch. Flip the switch up for on
and down for off.
Note:
Make sure that this switch is not in a position to be
mistaken for a light switch. This may result in the fireplace being
inadvertently turned on without the proper precautions being
taken. See installation instructions on page 22 of this manual.
OPERATING
BLOWER
AUTO/OFF/ON
Switch
This blower has three settings: ON, OFF, and AUTO. In the ON
position, the blower will operate constantly. In the OFF posi-
tion, the blower will not operate. In the AUTO position, the
blower will start when the thermostat senses a sufficient in-
crease in firebox temperature.
Note:
Your fireplace and thermostat blower will not turn on
and off at the same time. The fireplace may run for several
minutes before the blower turns on. After the heater modulates
to the pilot position, the blower will continue to run. The blower
will shut off after the firebox temperature decreases.
Note:
It is safe to operate fireplace with blower turned off.
However, the blower helps distribute heated air from the fireplace.
Figure 54 - AUTO/OFF/ON Blower Switch
GWMS2 WALL MOUNTED
SWITCH (OPTIONAL)
Figure 57 - Correct Burner Flame Pattern
Figure 58 - Incorrect Burner Flame Pattern
BURNER FLAME PATTERN
Figure 57 shows a correct burner flame pattern. Figure 58 shows an
incorrect burner flame pattern. The incorrect burner flame pattern
shows sporadic, irregular flame tipping. The flame should not be
dark or have an orange/reddish tinge.
Note:
When using the fireplace the first time, the flame will be
orange for approximately one hour until the log cures.
If burner flame pattern is incorrect, as shown in Figure 58
• turn fireplace off (see To Turn Off Gas to Appliance, page 24 for Ther-
mostat-Controlled Models or page 25 for Remote-Ready Models)
• see Troubleshooting, pages 29 through 31
If pilot flame pattern is incorrect, as shown in Figure 56
• turn fireplace off (see To Turn Off Gas to Appliance, page 24 for Ther-
mostat-Controlled Models or page 25 for Remote-Ready Models)
• see Troubleshooting, pages 29 through 31
Note:
The pilot flame on natural gas units will have a slight curve,
but flame should be blue and have no yellow or orange color.
10,000 Btu/Hr Units26,000 Btu/Hr Units
10,000 Btu/Hr Units26,000 Btu/Hr Units