Ac Auger Theory Of Operation - Ortech TR-100 User Manual

AC Auger Theory of Operation

AC Auger
Duty Cycle
Idle and Smoke
Fuel Feed Rates
and "P" Settings
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.
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
When the TR-100 is in Smoke Mode or idling in Cook Mode,
the AC auger is turned on and delivers fuel continuously for
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
P 0 15 seconds
P 1 15
P 2 15
P 3 15
P 4 15
P 5 15
P 6 15
P 7 15
P 8 15
P 9 15
P10 15
P11 15
P12 15
P13 15
P14 15
P15 15
21
Auger Off Duty Cycle
45 seconds 25.0 percent
55 21.4
65 18.8
75 16.7
85 15.0
95 13.6
105 12.5
115 11.5
125 10.7
135 10.0
140 9.7
145 9.4
150 9.1
155 8.8
160 8.6
165 8.3