508107-01 Issue 2041 Page 15 of 58
Figure 8. Primary Limit Location and Heat Exchanger
Flame Signal In Microamps
NormalLow Drop Out
1.5
0.5 - 1.4
0.4
Set Dial to DC MicroAmps
(+)
Multi−Meter
(+)
(+) To Control
Sensor Terminal
(−) T
o Flame
Terminal
Flame Sensor
Terminal
Flame Sensor
Wire
Intergrated
Control
Remove sensor from integrated
control and connect alligator clip
(−) to flame sensor lead.
Remove sensor from integrated
control and connect alligator clip
(+) to terminal on control.
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