York YBS006-070 Installation Manual page 25

Blower Performance Data cont.
Setting Blower Speed - Variable Speed ECM
The ABC board's Yellow Confi 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 confi 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 Confi 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 airfl 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.
LX COMPACT SERIES INSTALLATION MANUAL
Variable Speed ECM Setup with an AID Tool cont.
ECM SPEED INFO
LOW SPEED: 3
MED SPEED: 5
HIGH SPEED: 7
WANT TO CHANGE?
YES NO
OPTION ◀▶ ENTER ◙
Variable Speed ECM Speed Setup -
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.
ECM SPEED INFO
1 1
2 < – LOW
2 LOW
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
◀▶
OPTION ENTER ◙ OPTION
After the high speed setting is selected the AID Tool will
automatically transfer back to the ECM Setup screen.
25
Selecting YES will enter variable
speed ECM speed setup, while
selecting NO will return to the previous
screen.
These screens allow
ECM SPEED INFO ECM SPEED INFO
1
2 LOW
3
4
< – MED 5 MED
6
7
8
9
10
11
< – HIGH
12
◀▶ ◀▶
ENTER ◙ OPTION ENTER ◙