![background image](http://html1.mh-extra.com/html/carrier/48mpd/48mpd_installation-start-up-and-service-instructions-manual_2561061045.webp)
Table 30 — Variable Frequency Drive (VFD) Display
DISPLAY
ACTION
Fref
Not used.
Fout
Displays the output frequency at which the VFD is cur-
rently operating. This is a display only function. The user
cannot change this displayed value.
lout
Displays the level of output current that the VFD is cur-
rently producing. This is a display only function. The user
cannot change this displayed value.
kWout
Displays the output power that the VFD is currently pro-
ducing. This is a display only function. The user cannot
change this displayed value.
F/R
Sets the rotation direction of the motor when a run com-
mand is given.
Montr
Press
to access the monitor parameters
ENTER
(U-01 through U-13).
Accel
Not used.
Decel
Not used.
Vmtr
Sets the rated voltage of the motor.
V/F
Sets a preset V/f pattern or allows a custom V/f pattern
to be set.
Fgain
Sets the frequency reference gain for the analog fre-
quency reference.
Fbias
Sets the frequency reference bias for the analog fre-
quency reference.
FLA
Sets the full load amps used for detecting motor over-
load. When FLA is set to 0 it is disabled.
PID
Enables or disables the PID.
kWsav
Enables or disables the energy saving function.
PRGM
Allows parameter programming.
LEGEND
PID — Proportional Integral Derivative
SERVICE
Service Access —
All unit components can be reached
through clearly labeled hinged access doors. These doors are
equipped with tiebacks, but if heavy duty servicing is needed,
it is recommended that the doors be removed or propped open.
Each door is held closed with 3 latches. The latches are
secured to the unit with a single
1
⁄
4
-in.
2
20 x
1
⁄
2
-in. long
bolt. See Fig. 50.
To open, loosen the latch bolt using a 7/16-in. wrench.
Pivot the latch so it is not in contact with the door. Open the
door. To shut, reverse the above procedure.
NOTE: Disassembly of the top cover may be required under
special service circumstances. It is very important that the
orientation and position of the top cover be marked on the
unit prior to disassembly. This will allow proper replace-
ment of the top cover onto the unit and prevent rainwater
from leaking into the unit.
IMPORTANT: After servicing is completed, make sure
door is closed and relatched properly, and that the latches
are tight. Failure to do this can result in water leakage
into the indoor-air section of the unit.
PGRM
Fbias
Fref
F/R
Vmtr
FLA
PID
V / F
Montr
Fout
lout
Accel
kWout
Decel
Fgain
kWsav
DIGITAL OPERATOR
JVOP-131
SEQ
REF
DSPL
ENTER
LOCAL
REMOTE
REMOTE
RUN
STOP
RESET
4-digit, 7-segment LED
display; shows selected
operation status, fault code,
or parameter data.
Function LEDs
KEYPAD SECTION
Displays data to be
changed, and enters new
data.*
Decrease parameter number
or displayed value.
Stop the motor, or reset a
drive fault. LED lights when
drive is in stopped condition.
REMOTE Mode indication LEDs.
The LEDs light when REMOTE
Mode has been selected.
DISPLAY SECTION
Switch between Function
LEDs*
Increase parameter
number or displayed
value.
Switch between LOCAL
and REMOTE operation
modes.
Run the motor. LED lights
when drive is controlling
motor speed.
*Pressing DSPL and ENTER keys simultaneously allows all parameter
data to be read, but not set, while the drive is running.
Fig. 49 — VFD Digital Operator
45
Summary of Contents for 48MPD
Page 59: ......