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27
Blower Performance Data cont.
The ABC board’s Yellow Con
fi
g LED will
fl
ash the current variable
speed ECM blower speed selections for low, med, and high
continuously with a short pause in between. The speeds can
also be con
fi
rmed with the AID Tool under the Setup/ECM Setup
screen. The variable speed ECM blower motor speeds can be
fi
eld
adjusted with or without using an AID Tool.
Variable Speed ECM Setup without an AID Tool
The blower speeds for Low (G only), Med (Y1), and High (Y2/Aux)
can be adjusted directly at the Aurora ABC board which utilizes the
push button (SW1) on the ABC board. This procedure is outlined in
the Variable Speed ECM Con
fi
guration Mode portion of the Aurora
‘Base’ Control System section.
Variable Speed ECM Setup with an AID Tool
A much easier method utilizes the AID Tool to change the air
fl
ow
using the procedure below. First navigate to the Setup screen and
then select ECM Setup. This screen displays the current variable
speed ECM settings. It allows the technician to enter the setup
screens to change the variable speed ECM settings. Change the
highlighted item using the
◄
and
►
buttons and then press the
◙
button to select the item.
Setting Blower Speed - Variable Speed ECM
Variable Speed ECM Speed Setup
-
These
screens allow the technician to select the low, medium, and high
blower speed for the variable speed ECM blower motor. Change
the highlighted item using the
▲
and
▼
buttons. Press the
◙
button to select the speed.
After the high speed setting is selected the AID Tool will
automatically transfer back to the ECM Setup screen.
Variable Speed ECM Setup with an AID Tool cont.
Selecting YES will enter variable
speed ECM speed setup, while
selecting NO will return to the previous
screen.
ECM SPEED INFO
LOW SPEED: 3
MED SPEED: 5
HIGH SPEED: 7
WANT TO CHANGE?
YES
OPTION
◄►
NO
ENTER
◙
ECM SPEED INFO
1
2 <– LOW
3
4
5
6
7
8
9
10
11
12
OPTION
◄►
ENTER
◙
ECM SPEED INFO
1
2 LOW
3
4
5 <– MED
6
7
8
9
10
11
12
OPTION
◄►
ENTER
◙
ECM SPEED INFO
1
2 LOW
3
4
5 MED
6
7
8
9
10
11
12 <– HIGH
OPTION
◄►
ENTER
◙
LX ULTRA SERIES INSTALLATION MANUAL