Thermador PRD484NCGU Installation Manual download pdf (Page 31)

English 28

Step 10: Burner Test

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.

NOTICE:

All oven knobs and selectors must be set to OFF before

powering up the range. To prevent unintended operation at

power up, please set all oven knobs to OFF. To ensure

customer safety in the event of power failure, the unit will

display an error message upon reinstatement of power

unless all oven knobs are set to OFF. Set all oven knobs to

OFF and reset the breaker to clear the message.

Test Rangetop Burners

Test Burner Ignition

Select a rangetop burner knob. Push down 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 38 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. Use caution when

handling the burner caps as they may be hot. 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 known 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 the 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.

Call THERMADOR

if:

1. Any of the burners do not light.

2. Any of the burners continue to burn yellow.

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 38: Flame Characteristics

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Thermador PRD484NCGU Installation Manual Page 31

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