WaterFurnace Versatec Ultra - Manual (Page 27)

27
VERSATEC ULTRA SERIES INSTALLATION MANUAL
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 ◙
Setting Blower Speed - Variable Speed ECM - UPC Controls
Variable speed ECM blower motors have 12 selectable speeds and are factory set for optimum performance. When
applicable, the speed settings may also be adjusted through the Building Automation System (BAS).
Setting Blower Speed - Variable Speed ECM - Aurora Controls
CAUTION: Disconnect all power before performing this operation.