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To Measure Flame Signal - Integrated Control:
Use a digital readout meter capable of reading DC micro-
amps. See gure 15 and table 9 for ame signal check.
1 - Set the meter to the DC amps scale.
2 - Turn o supply voltage to control.
3 - Disconnect integrated control ame sensor wire
from the ame sensor.
4 - Connect (-) lead to ame sensor.
5 - Connect (+) lead to the ignition control sensor wire
6 - Turn supply voltage on and close thermostat
contacts to cycle system.
7 - When main burners are in operation for two minutes,
take reading.
TABLE 9
Flame Signal in Microamps
Normal Low Drop Out
2.6 or greater 2.5 or less .06
Measuring Flame Signal
(upflow furnace shown)
Set dial to measure
DC microamps
(+)
To Flame
Terminal
DIGITAL METER
Red Collar
Indicates
Positive Leads
(+) To Control
Sensor Terminal
Flame
Sensor
Flame Sensor
Wire
Integrated
Control
Remove Sensor Wire from
Integrated Control and
Connect Alligator Clip (−)
to Frame Sensor Lead
Flame Sensor
Terminal
Remove Sensor Wire from
Integrated Control and
Connect Alligator Clip (+)
to Terminal on Control
(+)
FIGURE 14
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