WaterFurnace Envision2 - Manual (Page 25)

25
ENVISION 2 COMPACT 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 ◙