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APPENDIX D — VFD INFORMATION (cont)
START-UP WITH CARRIER ASSISTANT — Initial start-
up has been performed at the factory. If a VFD has been
replaced, start up the VFD with the Carrier Assistant using the
following procedure:
NOTE: To change certain VFD parameters, the VFD must be
in the OFF mode. To ensure the VFD is in the OFF mode prior
to running the Carrier Assistant, it is recommended that you
turn the drive OFF manually by pressing the OFF button on
the VFD keypad. After completion of the Carrier Assistant,
press the AUTO button on the VFD keypad to return to RUN
mode.
1. Place the Comfortlink controls in Service Test mode (Ser-
vice Test
TEST = ON).
2. With the VFD in the OFF mode, select MENU (SOFT
KEY 2). The Main menu will be displayed.
3. Use the UP or DOWN keys to highlight ASSISTANTS
on the display screen and press ENTER (SOFT KEY 2).
4. Use the UP or DOWN keys to highlight Carrier Assistant
and press SEL (SOFT KEY 2).
5. The Carrier assistant will ask questions to determine the
correct parameters for the VFD.
a. The Carrier Assistant will ask “Select an App 1-3”:
1. Air Handler
2. Roof Top
3. Other Application
b. Use the UP or DOWN keys to highlight Roof Top
and press OK (SOFT KEY 2).
c. The Carrier Assistant will ask “Is this a Hi E or
Premium E motor?” :
Hi E
Premium E
d. Use the UP or DOWN keys to highlight the correct
motor efficiency and press OK (SOFT KEY 2).
e. The Carrier Assistant will ask “Is this a Non-LEN
VFD or LEN VFD?” :
Non-LEN VFD
LEN VFD
f. Use the UP or DOWN keys to highlight LEN VFD
and press OK (SOFT KEY 2).
g. The Carrier Assistant will ask “Is this an IFM VFD
or P.E. motor VFD?” :
IFM VFD
P.E . mo to r V FD
h. Use the UP or DOWN keys to highlight the correct
VFD and press OK (SOFT KEY 2).
6. The keypad will display “Carrier Assistant Complete”.
The parameters in Table B will now be set correctly. Press
OK (SOFT KEY 2) then EXIT (SOFT KEY 1) to return
to the Main Menu. Press EXIT (SOFT KEY 1) again to
return to the Standard Display mode.
7. To allow the configuration parameters in Tables C and D
to be sent to the VFD, power must be cycled to the drive.
Cycle power using Service Test mode.
a. For Supply Fan VFD, set Service
Test
FANS
S.FAN = OFF. Allow VFD to
power down completely (approximately 30 sec-
onds) and then turn back ON.
b. For Exhaust Fan VFD, set Service
Test
FANS
P. E . 1 = OFF. Allow VFD to power
down completely (approximately 30 seconds) and
then turn back ON.
8. Press the AUTO button on VFD Keypad.
9. Take the Comfortlink controls out of Service Test mode
(Service Test
TEST = OFF).
START UP BY CHANGING PARAMETERS INDIVIDU-
ALLY — Initial start-up is performed at the factory. To start up
the VFD with by changing individual parameters, perform the
following procedure:
1. Select MENU (SOFT KEY 2). The Main menu will be
displayed.
2. Use the UP or DOWN keys to highlight PARAMETERS
on the display screen and press ENTER (SOFT KEY 2).
3. Use the UP or DOWN keys to highlight the desired
parameter group and press SEL (SOFT KEY 2).
4. Use the UP or DOWN keys to highlight the desired
parameter and press EDIT (SOFT KEY 2).
5. Use the UP or DOWN keys to change the value of the
parameter.
6. Press SAVE (SOFT KEY 2) to store the modified value.
Press CANCEL (SOFTKEY 1) to keep the previous value.
Any modifications that are not saved will not be changed.
7. Choose another parameter or press EXIT (SOFT KEY 1)
to return to the listing of parameter groups. Continue until
all the parameters have been configured and then press
EXIT (SOFT KEY 1) to return to the main menu.
NOTE: The current parameter value appears above the high-
light parameter. To view the default parameter value, press the
UP and DOWN keys simultaneously. To restore the default
factory settings, select the application macro “HVAC Default.”
VFD Modes — The VFD has several different modes for
configuring, operating, and diagnosing the VFD. The modes
are:
• Standard Display mode — shows drive status informa-
tion and operates the drive
• Parameters mode — edits parameter values individually
• Start-up Assistant mode — guides the start-up and
configuration
• Changed Parameters mode — shows all changed
parameters
• Drive Parameter Backup mode — stores or uploads the
parameters
• Clock Set mode — sets the time and date for the drive
• I/O Settings mode — checks and edits the I/O settings
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