Carrier AquaEdge 19XRV series Operation, Maintenance And Installation Manual page 35

Single-stage or two-stage semi-hermetic centrifugal liquid chillers with pic iii controls and hfc-134a 50/60 hz
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To access this display from the ICVC default screen:
1. Press
.
MENU
2. Press
STATUS
.
3. Scroll down to highlight
VFD_STAT
4. Press
SELECT
.
DESCRIPTION
VFD Fault Code
Single Cycle Dropout
Line Current Imbalance
Line Voltage Imbalance
Line Phase Reversal
High Line Voltage
Low Line Voltage
High DC Bus Voltage
Low DC Bus Voltage
Motor Current Imbalance
Motor Overload
Rectifier Overcurrent
Rectifier Overtemp
Rectifier Power Fault
Inverter Overcurrent
Inverter Overtemp
Inverter Power Fault
Ground Fault
Frequency Fault
VFD Power On Reset
Start Complete
Stop Complete
Condenser High Pressure
Motor Amps Not Sensed
Start Acceleration Fault
Stop Fault
VFD Start Inhibit
VFD Checksum Error
VFD Comm Fault
VFD Fault
VFD Gateway Version #
VFD Inverter Version #
VFD Rectifier Version #
NOTES:
1. All variables with CAPITAL LETTER point names are available for
CCN Read operation only.
To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
STATUS
.
3. Scroll down to highlight
ICVC_PWD
4. Press
SELECT
.
DESCRIPTION
Disable Service Password
**Remote Reset Option
Reset Alarm?
CCN Mode?
**If the Remote Reset Option is set to a value of "1" at the ICVC,
alarms may be reset and CCN mode may be reinstated remotely
using Service Tool, Building Supervisor, or ComfortWORKS
trols.
NOTE: All variables with CAPITAL LETTER point names are avail-
able for CCN read operation. Those shown with (**) shall support
write operations for the ICVC only.
To access this display from the ICVC default screen:
1. Press
MENU
.
2. Press
SETPOINT
.
3. Press
SELECT
.
DESCRIPTION
Base Demand Limit
Control Point
LCW Setpoint
ECW Setpoint
Ice Build Setpoint
Tower Fan High Setpoint
NOTE: All variables are available for CCN read operation; forcing
shall not be supported on setpoint screens.
Table 4 — ICVC Display Data (cont)
EXAMPLE 7 — VFD_STAT DISPLAY SCREEN
.
STATUS
0-223
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0-255
0-1000
0-1000
EXAMPLE 8 — ICVC_PWD DISPLAY SCREEN
.
STATUS
0-1
0-1
0-1
0-1
®
con-
EXAMPLE 9 — SETPOINT DISPLAY SCREEN
STATUS
40-100
10-120
15-120
15-60
55-105
UNITS
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
FALSE/TRUE
FALSE/TRUE
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
NORMAL/ALARM
2. This table supports the service tool password disable access. It
will only allow forcing with the service tool for a one-time bypass
of both the Service menu and the VFD config data table. Exit
from the Service menu reverts to normal password operation.
UNITS
DSABLE/ENABLE
DSABLE/ENABLE
NO/YES
NO/YES
To Disable Service Password, force that item to a value of "1" using
Service Tool. Once this has been done, the Service menu and the
VFD Config Data screens can be accessed without a password.
This access is canceled the time the user exits the Service menu/
screen.
UNITS
POINT
%
DLM
DEG F
lcw_sp
DEG F
ecw_sp
DEG F
ice_sp
DEG F
TFH_SP
35
POINT
VFD_FLT
CYCLE_1
LINEIM_I
LINEIM_V
PH_REV
HI_VOLT
LOW_VOLT
HI_DCBUS
LO_DCBUS
MOTIM_I
MOTOR_OV
RECT_OI
RECT_OT
RECT_PU
INV_OI
INV_OT
INV_PU
GRND_FLT
FREQFLT
VFD_POR
START_OK
STOP_OK
PRS_TRIP
NO_AMPS
ACCELFLT
AMPSTOP
STRT_INH
CHECKSUM
VFD_COMM
VFDFAULT
VFG_VER
INV_VER
REC_VER
POINT
PSWD_DIS
RESETOPT
REMRESET
REM_CCN
DEFAULT
100
50.0
60.0
40.0
75

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