Blower performance data cont, Setting blower speed - variable speed ecm – WaterFurnace Versatec Base User Manual
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VERSATEC BASE SERIES INSTALLATION MANUAL
Blower Performance Data cont.
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.
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 ◙
