Air Cleaner Temperature Sensor
Bring temperature of sensor to less than 75°F and apply 8 in. Hg of vacuum to source port. Duct door should close. If duct door does not close, replace sensor. Sensor will bleed off vacuum to allow duct door to open and let in fresh air at specific temperatures. See AIR CLEANER TEMPERATURE SENSOR OPENING .
AIR CLEANER TEMPERATURE SENSOR OPENING
| Color | Temperature |
|---|---|
| Brown | 75°F (24°C) |
| Pink, Black or Red | 90°F (32°C) |
| Blue, Yellow or Green | 105°F (41°C) |