Carrier 19XR User Manual page 26

Hermetic centrifugal liquid chillers 50/60 hz with pic ii controls and hfc-134a
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To access this display from the CVC/ICVC default screen:
1. Press
.
MENU
2. Press
.
STATUS
3. Scroll down to highlight
CVC
4. Press
SELECT
.
DESCRIPTION
Disable Service Password
**Remote Reset Option
Reset Alarm?
CCN Mode?
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.
To access this display from the CVC/ICVC default screen:
1. Press
MENU
.
2. Press
SETPOINT
.
3. Press
SELECT
.
DESCRIPTION
Base Demand Limit
Control Point
ECW Setpoint
LCW 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.
To access this display from the CVC/ICVC default screen:
1. Press
.
MENU
2. Press
.
SERVICE
3. Scroll down to highlight
CONTROL ALGORITHM STATUS
4. Press
SELECT
.
5. Scroll down to highlight
CAPACITY
6. Press
SELECT
.
DESCRIPTION
Entering Chilled Water
Leaving Chilled Water
Capacity Control
Control Point
Control Point Error
ECW Delta T
ECW Reset
LCW Reset
Total Error + Resets
Guide Vane Delta
Target Guide Vane Pos
Actual Guide Vane Pos
Target VFD Speed
Actual VFD Speed
VFD Gain
Demand Limit Inhibit
Amps/kW Ramp
VFD Load Factor
NOTE: All variables with CAPITAL LETTER point names are available for CCN read operation; forcing shall not be supported on maintenance
screen.
Table 2 — CVC/ICVC Display Data (cont)
EXAMPLE 8 — CVC/ICVC_PSWD DISPLAY SCREEN
.or
ICVC
STATUS
0-1
0-1
0-1
0-1
EXAMPLE 9 — SETPOINT DISPLAY SCREEN
STATUS
40-100
15-120
10-120
15-60
55-105
EXAMPLE 10 — CAPACITY DISPLAY SCREEN
.
.
STATUS
–40-245
–40-245
10-120
–99-99
–99-99
–99-99
–99-99
–99-99
–2-2
0-100
0-100
0-100
0-100
0.1-1.5
0-100
0-100
0-200
UNITS
DSABLE/ENABLE
DSABLE/ENABLE
NO/YES
NO/YES
UNITS
POINT
%
DLM
DEG F
ecw_sp
DEG F
lcw_sp
DEG F
ice_sp
DEG F
tf2_sp
UNITS
DEG F
DEG F
DEG F
^F
^F
^F
^F
^F
%
%
%
%
%
%
%
26
POINT
PSWD_DIS
RESETOPT
REMRESET
REM_CCN
DEFAULT
100
60.0
50.0
40.0
75
POINT
ECW
LCW
ctrlpt
cperr
ecwdt
ecwres
lcwres
error
gvd
GV_TRG
GV_ACT
VFD_IN
VFD_ACT
vfd_gain
DEM_INH
DMD_RAMP
VFD_LF

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