21
AC Auger Theory of Operation
AC Auger The grill is equipped with an AC auger. AC augers operate
at a single speed and deliver fuel at a constant rate while
on. The fuel feed rate (amount of fuel delivered in a given
period of time) is adjusted by varying the on and off time
intervals.
Duty Cycle The ratio of time the auger is on is sometimes referred to
as the duty cycle and is expressed as a percentage. For
example, if the auger is always on, its duty cycle is 100
percent. If the auger is on half the time, its duty cycle is 50
percent, etc.
Auger On
Auger Off
75 percent duty cycle
Auger On
Auger Off
50 percent duty cycle
Auger On
Auger Off
25 percent duty cycle
Idle and Smoke When the TR-100 is in Smoke Mode or idling in Cook Mode,
Fuel Feed Rates the AC auger is turned on and delivers fuel continuously for
and “P” Settings 15 seconds and is then turned off. The Smoke Control
switch sets the auger off time. The Smoke Mode/Cook Mode
Idle Fuel Feed Rates are as follows:
Setting Auger On Auger Off Duty Cycle
P 0 15 seconds 45 seconds 25.0 percent
P 1 15 55 21.4
P 2 15 65 18.8
P 3 15 75 16.7
P 4 15 85 15.0
P 5 15 95 13.6
P 6 15 105 12.5
P 7 15 115 11.5
P 8 15 125 10.7
P 9 15 135 10.0
P10 15 140 9.7
P11 15 145 9.4
P12 15 150 9.1
P13 15 155 8.8
P14 15 160 8.6
P15 15 165 8.3
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