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©2016 Hestan Commercial Corporation ©2016 Hestan Commercial Corporation
22 23
ENEN
Light the burner and adjust as follows:
• Turn the valve on “HIGH”, light the burner and allow it to warm up for 10 minutes. Be
careful because the burner will be hot from this point forward.
• If the flame is yellow, indicating insufficient air, turn the air shutter counter-clockwise to
allow more air to the burner.
• If the flame is noisy and tends to lift away from the burner ports, indicating too much air,
turn the air shutter clockwise to reduce the amount of air to the burner.
• Once you have established a good flame, make a new mark with the marker pen.
• Remove the burner again and retighten the lock screw of the air shutter taking note of your
newly marked position.
• Repeat this process for each burner.
• Perform one last check that all burners are properly seated on their orifices and rear hanger
bracket.
• Reinstall all radiant trays and cooking grates.
• Reinstall the control panel and control knobs.
VALVE ADJUSTMENTS
The valves on your Hestan grill are preset at the factory for optimum performance. However,
the low setting on these valves are adjustable if altitude, low-heat performance, converting from
one gas to another, or other factors indicate an adjustment is needed. It is not recommended to
adjust the Rotisserie or Sear Burner valves.
NEVER ADJUST THE BURNER SO LOW THAT IT MAY GO OUT DURING USE.
DO NOT OPERATE THE GRILL WITH THE LOW HEAT SCREW REMOVED.
GAS CAN ESCAPE AND CAUSE A POTENTIALLY HAZARDOUS CONDITION.
ADJUSTMENT STEPS:
1. Remove the control knobs, drip tray, and control panel from the unit.
2. Follow lighting instructions by setting the control knob on “HI” and allow the burner to
preheat for 10 minutes.
3. Turn the control knob to “LOW” and wait for the burner temperature to drop and stabilize,
about 10 minutes. Attempting adjustment at any setting other than LOW can create a
dangerous condition.
4. Insert a small flat-blade screwdriver into the valve stem to begin the adjustment
(see Fig. 5). The screw only has 2-3 complete revolutions of adjustment. After this, the screw
may continue to turn, but is actually coming out of the valve and could result in a gas leak.
DO NOT turn more that 3 revolutions!
5. Turn counter-clockwise very slowly to INCREASE the low flame. The flame will take a few
seconds to respond to the adjustments you are making.
6. Adjust the flame so the burner is still fully lit on all ports, without fluttering or going out.
Turn off the burner and re-light. Check the new low setting once again to assure proper
adjustment is reached. Reattach the control knob.
GAS CONNECTIONS
(continued)
INFRARED BURNER FLAME ADJUSTMENT
Infrared burners do not require adjustment and need only be checked visually for proper
performance. On HIGH, an infrared burner should glow red evenly over its entire surface. A
diminished red glow and/or a large blue “halo” of flame on the surface of the infrared burner
indicates improper airflow or a blockage at the burner itself. Call for service.
SIDE BURNER FLAME ADJUSTMENT
Hestan side burners are preset at the factory for optimum performance. However, these valves
also feature a low flame (simmer) adjustment if altitude, low-heat performance, converting from
one gas to another, or other factors indicate an adjustment is needed. Follow the same procedure
as described above for Trellis Burner
™
valve adjustment.
NEVER ADJUST THE SIDE BURNER SO LOW THAT IT MAY GO OUT DURING
USE.
Figure 5
GAS CONNECTIONS
(continued)
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