Display Features; Air Cleaner Operation; Set-Up Mode; Set-Up Mode Of Operation - Trane ACONT900AC43UA Service Manual

Electronic Air Cleaners

Display Features

Display Features
The Air Cleaner display can be used for several func-
tions.
• Provide the homeowner the operating status of the
air cleaner, including an indication the Pre-Filter or
Collection Cells need cleaning.
• The installer can access the Set-Up mode to
change the time to clean settings for the Pre-Filter
and Collection Cells as well as change the Power
level setting.
• The unit will display fault codes for the homeowner
indicating there is a problem with the Air Cleaner and
various fault codes for the service technician to as-
sist in troubleshooting the problem.

Air Cleaner Operation

Turn the Air Cleaner on by pushing and releasing the
Power button . The backlit Power and Reset buttons
will illuminate along with the first Green LED (G1) in-
dicating 24 volt power is present to the Air Cleaner.
When the indoor fan is operating the first LED (G1)
will slowly flash. This indicates the Field Charger and
Collection Cells have power and the unit is operating
normally. There is a slight time delay between the
indoor fan starting and LED (G1) flashing. Time delay
for "G" fan is 10 [12] seconds. Time delay for heating
is 90 [108] seconds.
AC - A 16
In normal operation, the Air Cleaner makes a slight
sound as the air passes through it and is cleaned. In
some applications, you may notice this sound com-
ing from the return air vent(s). If desired, this sound
level can be reduced with minimal impact on air clean-
ing efficiency by reducing the power setting of the
Field Charger in the Set-Up mode.
Note: There is a 10 [12] minute delay after the indoor
fan operates, before the Air Cleaner starts to operate,
each time the power to the Air Cleaner is turned off/
on. This can be bypassed by going into and then out
of the Set-Up mode

Set-Up Mode

A combination of Red, Yellow, and Green LED's are
used to indicate the following settings.
• Three Green LED's are used to indicate Pre-Filter
cleaning interval. This is measured in actual run time
of the indoor fan. The factory setting is 2 months [10
weeks]. See Figure 5.
• Four Yellow LED's indicate the Collection Cell cleaning
interval. This is measured in actual run time of the
indoor fan. The factory setting is 6 months [31 weeks].
See Figure 6.
• The three Red LED's indicate the power level set-
ting. The default setting is maximum. See Figure 7.

Set-Up Mode of Operation

To enter the Set-Up mode press and hold both the
Power and Reset buttons for a minimum of 5 [6] sec-
onds. The display will go blank and then the factory
settings for each of the settings are displayed. If this
is the desired setting or at any time you want to exit
the Set-Up mode, press and hold Both the Power and
filter Reset buttons for a minimum of 5 [6] seconds to
exit.