Specifications

26
Table 2 — CVC Display Data (cont)
EXAMPLE 8 — CVC_PSWD DISPLAY SCREEN
To access this display from the
CVC default
screen:
1. Press .
2. Press
.
3. Scroll down to highlight .
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 only.
EXAMPLE 9 — SETPOINT DISPLAY SCREEN
To access this display from the
CVC 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 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_PSWD
SELECT
MENU
SETPOINT
SELECT
MENU
SERVICE
CONTROL ALGORITHM STATUS
SELECT
CAPACITY
SELECT