Thermador PRG486JDG Installation Manual - Page 29

Step 10: Burner Test and Adjustment

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Step 10: Burner Test and Adjustment Install any loose components, such as burner caps and grates that may have been removed earlier. Be certain that burner caps seat properly into the burner bases. Before testing operation of the appliance, verify that the unit and the gas supply have been carefully checked for leaks and that the unit has been connected to the electrical power supply. Turn the gas shut-off valve to the open position. Four rangetop burners, (2) on the left side and (2) on the right, feature XLO® setting that causes the flame to cycle on and off when the knob is set to the XLO® range. This is normal operation. Repeat these Ignition and Flame Test procedures for each rangetop burner. Test Rangetop Burners Test Burner Ignition. Select a rangetop burner knob. Push in and turn counterclockwise to HI. The ignitor/spark module will produce a clicking sound. Once the air has been purged from the supply lines, the burner should light within four seconds. Test Flame: High Setting. Turn burner on to HI. See Figure 24 for appropriate flame characteristics. If any of the rangetop burners continue to burn mostly or completely yellow, verify that the burner cap is positioned properly on the burner base, then retest. If flame characteristics do not improve, call THERMADOR®. Test Flame: Simmer Setting. Turn burner on to SIM. Verify that the flame travels completely around the burner. This is know as "carry over". There should be a flame at each burner port and there should be no air gap between the flame and the burner. If any burners do not "carry over," call THERMADOR®. Yellow Flames: Further adjustment is required. Yellow Tips on Outer Cones: Normal for LP Gas. Soft Blue Flames: Normal for Natural Gas. If the flame is completely or mostly yellow, verify that the regulator is set for the correct fuel. After adjustment, retest. Some orange-colored streaking is normal during the initial start-up. Allow unit to operate 4-5 minutes and re-evaluate before making adjustments. FIGURE 24: FLAME CHARACTERISTICS When Flame is Properly Adjusted: • There should be a flame at each burner port. • There should be no air gap between the flame and burner port. English 27

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English 27
Step 10: Burner Test and Adjustment
Install any loose components, such as burner caps and
grates that may have been removed earlier. Be certain that
burner caps seat properly into the burner bases. Before
testing operation of the appliance, verify that the unit and
the gas supply have been carefully checked for leaks and
that the unit has been connected to the electrical power
supply. Turn the gas shut-off valve to the open position.
Test Rangetop Burners
Test Burner Ignition.
Select a rangetop burner knob.
Push in and turn counterclockwise to HI. The ignitor/spark
module will produce a clicking sound. Once the air has
been purged from the supply lines, the burner should light
within four seconds.
Test Flame: High Setting.
Turn burner on to HI. See
Figure 24 for appropriate flame characteristics.
If any of the rangetop burners continue to burn mostly or
completely yellow, verify that the burner cap is positioned
properly on the burner base, then retest. If flame
characteristics do not improve, call THERMADOR
®
.
Test Flame: Simmer Setting.
Turn burner on to SIM.
Verify that the flame travels completely around the burner.
This is know as “carry over”. There should be a flame at
each burner port and there should be no air gap between
the flame and the burner. If any burners do not “carry over,”
call THERMADOR
®
.
Four rangetop burners, (2) on the left side and (2) on the
right, feature XLO
®
setting that causes the flame to cycle
on and off when the knob is set to the XLO
®
range. This is
normal operation.
Repeat these Ignition and Flame Test procedures for each
rangetop burner.
When Flame is Properly Adjusted:
•
There should be a flame at each burner port.
•
There should be no air gap between the flame and
burner port.
F
IGURE
24:
F
LAME
C
HARACTERISTICS
Yellow Flames:
Further adjustment is required.
Yellow Tips on Outer Cones:
Normal for LP Gas.
Soft Blue Flames:
Normal for Natural Gas.
If the flame is completely or mostly yellow, verify
that the regulator is set for the correct fuel. After
adjustment, retest.
Some orange-colored streaking is normal during
the initial start-up.
Allow unit to operate 4-5 minutes and re-evaluate
before making adjustments.