Bryant 580J Installation, Start-Up And Service Instructions Manual page 46

Variable frequency drive (vfd) factory-installed option 2-speed motor control for 2-stage cooling rooftop units
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100.0 %SP
10.0 Vdc
Fig. 54 — Standard Display Example
The top line of the LCD display shows the basic status informa-
tion of the drive. The HAND icon indicates that the drive control
is local from the control panel. The AUTO icon indicates that the
drive is in remote control mode, such as the basic I/O or field bus.
The arrow icon indicates the drive and motor rotation status. A
rotating arrow (clockwise or counterclockwise) indicates that
the drive is running and at set point and the shaft direction is
forward or reverse. A rotating blinking arrow indicates that the
drive is running but not at set point. A stationary arrow indi-
cates that the drive is stopped. For the units covered in this
manual, the correct display rotation is clockwise.
The upper right corner shows the frequency set point that the drive
will maintain.
Using parameter group 34, the middle of the LCD display can be
configured to display 3 parameter values. The default display
shows parameters 0103 (OUTPUT FREQ) in percent speed, 0104
(CURRENT) in amperes, and 0120 (Al1) in voltage DC.
The bottom corners of the LCD display show the functions cur-
rently assigned to the two soft keys. The lower middle displays the
current time (if configured to show the time).
The first time the drive is powered up, it is in the OFF mode. To
switch to local hand-held control and control the drive using the
control panel, press and hold the HAND button. Pressing the
HAND button switches the drive to hand control while keeping
the drive running. Press the AUTO button to switch to remote in-
put control. To start the drive press the HAND or AUTO buttons,
to stop the drive press the OFF button.
To adjust the speed in HAND mode, press the UP or DOWN but-
tons (the reference changes immediately). The reference can be
modified in the local control (HAND) mode, and can be parame-
terized (using Group 11 reference select) to also allow modifica-
tion in the remote control mode.
PARAMETERS MODE
The Parameters mode is used to change the parameters on the
drive. To change 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 (SOFT KEY 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 highlight
parameter. To view the default parameter value, press the UP and
DOWN keys simultaneously. To restore the default factory set-
tings, select the Bryant application macro.
60.0Hz
1.9 A
CHANGED PARAMETERS MODE
The Changed Parameters mode is used to view and edit recently
changed parameters on the drive. To view the changed 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 CHANGED PAR
on the display screen and press ENTER (SOFT KEY 2). A
list of the recently changed parameters will be displayed.
3.
Use the UP or DOWN keys to highlight the desired
parameter group and press EDIT (SOFT KEY 2) to change
the parameter if desired.
4.
Press EXIT (SOFT KEY 1) to exit the Changed Parame-
ters mode.
DRIVE PARAMETER BACKUP MODE
The drive parameter back up mode is used to export the parame-
ters from one drive to another. The parameters can be uploaded
from a VFD to the removable control panel. The control panel can
then be transferred to another drive and the parameters download-
ed into memory.
Depending on the motor and application, there are two options
available. The first option is to download all parameters. This cop-
ies both application and motor parameters to the drive from the
control panel. This is recommended when using the same applica-
tion for drives of the same size. This can also be used to create a
backup of the parameters group for the drive.
The second option downloads only the application parameters to
the drive. This is recommended when using the same application
for drives of different sizes. Parameters 9905, 9906, 9907, 9908,
9909, 1605, 1607, 5201, and group 51 parameters and internal
motor parameters are not copied.
Upload All Parameters
To upload and store parameters in the control panel from the VFD,
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 PAR BACKUP on
the display screen and press ENTER (SOFT KEY 2).
3.
Use the UP or DOWN keys to highlight UPLOAD TO
PANEL and press SEL (SOFT KEY 2).
4.
The text "Copying Parameters" will be displayed with a
progress indicator. To stop the process, select ABORT
(SOFT KEY 1).
5.
When the upload is complete, the text "Parameter upload
successful" will be displayed.
6.
The display will then return to the PAR BACKUP menu.
Select EXIT (SOFT KEY 1) to return to the main menu.
7.
The control panel can now be disconnected from the drive.
Download All Parameters
To download all parameters from the control panel to the VFD,
perform the following procedure:
1.
Install the control panel with the correct parameters onto
the VFD.
2.
Select MENU (SOFT KEY 2). The Main menu will be
displayed.
3.
Use the UP or DOWN keys to highlight PAR BACKUP on
the display screen and press ENTER (SOFT KEY 2).
4.
Use the UP or DOWN keys to highlight DOWNLOAD
TO DRIVE ALL and press SEL (SOFT KEY 2).
5.
The text "Restoring Parameters" will be displayed with a
progress indicator. To stop the process, select ABORT
(SOFT KEY 1).
6.
When the download is complete, the text "Parameter
download successful" will be displayed.
7.
The display will then return to the PAR BACKUP menu.
Select EXIT (SOFT KEY 1) to return to the main menu.
8.
The control panel can now be disconnected from the drive.
46

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