Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual
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Table 2 — CVC/ICVC Display Data (cont)
EXAMPLE 8 — CVC/ICVC_PSWD DISPLAY SCREEN
To access this display from the CVC/ICVC default screen:
1. Press .
2. Press .
3. Scroll down to highlight
.or
4. Press .
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation. Those shown with (**) shall support write operations
for the CVC/ICVC only.
EXAMPLE 9 — SETPOINT DISPLAY SCREEN
To access this display from the CVC/ICVC default screen:
1. Press .
2. Press .
3. Press .
NOTE: All variables are available for CCN read operation; forcing shall not be supported on setpoint screens.
EXAMPLE 10 — CAPACITY DISPLAY SCREEN
To access this display from the CVC/ICVC default screen:
1. Press .
2. Press .
3. Scroll down to highlight
.
4. Press .
5. Scroll down to highlight
.
6. Press .
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance
screen.
DESCRIPTION
STATUS
UNITS
POINT
Disable Service Password
0-1
DSABLE/ENABLE
PSWD_DIS
**Remote Reset Option
0-1
DSABLE/ENABLE
RESETOPT
Reset Alarm?
0-1
NO/YES
REMRESET
CCN Mode?
0-1
NO/YES
REM_CCN
DESCRIPTION
STATUS
UNITS
POINT
DEFAULT
Base Demand Limit
40-100
%
DLM
100
Control Point
ECW Setpoint
15-120
DEG F
ecw_sp
60.0
LCW Setpoint
10-120
DEG F
lcw_sp
50.0
Ice Build Setpoint
15-60
DEG F
ice_sp
40.0
Tower Fan High Setpoint
55-105
DEG F
tf2_sp
75
DESCRIPTION STATUS
UNITS
POINT
Entering Chilled Water
–40-245
DEG F
ECW
Leaving Chilled Water
–40-245
DEG F
LCW
Capacity Control
Control Point
10-120
DEG F
ctrlpt
Control Point Error
–99-99
^F
cperr
ECW Delta T
–99-99
^F
ecwdt
ECW Reset
–99-99
^F
ecwres
LCW Reset
–99-99
^F
lcwres
Total Error + Resets
–99-99
^F
error
Guide Vane Delta
–2-2
%
gvd
Target Guide Vane Pos
0-100
%
GV_TRG
Actual Guide Vane Pos
0-100
%
GV_ACT
Target VFD Speed
0-100
%
VFD_IN
Actual VFD Speed
0-100
%
VFD_ACT
VFD Gain
0.1-1.5
vfd_gain
Demand Limit Inhibit
0-100
%
DEM_INH
Amps/kW Ramp
0-100
%
DMD_RAMP
VFD Load Factor
0-200
VFD_LF
MENU
STATUS
CVC
ICVC
SELECT
MENU
SETPOINT
SELECT
MENU
SERVICE
CONTROL ALGORITHM STATUS
SELECT
CAPACITY
SELECT