Carrier 48AJ Operating And Service Manual page 145

Single package large rooftop units with scroll compressors and comfort link version 4.x controls
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PARAMETER GROUP
Start-Up Data
Start/Stop/Dir
Analog Inputs
Relay Outputs
System Controls
OVER RIDE
Accel/Decel
MOTOR
The VFD keypad is shown in Fig. B.
VFD Operation —
The function of SOFT KEYS 1 and 2 change depending on
what is displayed on the screen. The function of SOFT KEY 1
matches the word in the lower left-hand box on the display
screen. The function of SOFT KEY 2 matches the word in the
lower right-hand box on the display screen. If the box is empty,
then the SOFT KEY does not have a function on that specific
screen. The UP and DOWN keys are used to navigate through
the menus. The OFF key is used to turn off the VFD. The
AUTO key is used to change control of the drive to automatic
control. The HAND key is used to change control of the drive
to local (hand held) control. The HELP button is used to access
the help screens.
Table B — VFD Configurations
PARAMETER TITLE
LANGUAGE
APPLIC MACRO
MOTOR CTRL MODE
MOTOR NOM VOLT
MOTOR NOM CURR
MOTOR NOM FREQ
MOTOR NOM SPEED
EXT1 COMMANDS
DIRECTION
MINIMUM AI1
MAXIMUM AI1
RELAY OUTPUT 1
RELAY OUTPUT 2
RELAY OUTPUT 3
RUN ENABLE
START ENABLE 1
OVERRIDE SEL
OVERRIDE FREQ
OVERRIDE SPEED
OVER PASS CODE
OVERRIDE
STOP FUNCTION
ACCELER TIME 1
DECELER TIME 1
SWITCHING FREQ
145
PARAMETER INDEX
9901
9902
9904
9905
9906
9907
9908
1001
1003
1301
1302
1401
1402
1403
1601
1608
1701
1702
1703
1704
1705
2102
2202
2203
2606
Fig. B — VFD Keypad
CARRIER DEFAULT
ENGLISH
USER 1
SCALAR: FREQ
460v
*TBD*
60 Hz
1750 rpm
DI-1
REVERSE
20.0 %
100.0 %
STARTED
RUN
FAULT (-1)
NOT SELECTED
DI-4
DI-3
60 Hz
1750 rpm
ENTERED
ON
RAMP
30.0s
30.0s
8 kHz
A39-2918

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