Carrier 19XR - Page 22

Table 2 — CVC Display Data (cont)
EXAMPLE 2 — MAINTSTAT DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press MENU
.
2. Press STATUS
( MAINSTAT will be highlighted).
3. Press SELECT
.
DESCRIPTION STATUS UNITS POINT
Control Mode NOTE 1 NOTE 1 MODE
Run Status NOTE 2 NOTE 2 STATUS
Start Inhibit Timer 0-15 min T
START
Occupied ? 0/1 NO/YES OCC
System Alert/Alarm 0-2 NOTE 3 SYS
ALM
*Chiller Start/Stop 0/1 STOP/START CHIL S S
*Remote Start Contact 0/1 OFF/ON REMCON
Temperature Reset −30-30 DEG F T
RESET
*Control Point 10-120 DEG F LCW STPT
Chilled Water Temp −40-245 DEG F CHW
TMP
*Active Demand Limit 40-100 % DEM LIM
Average Line Current 0-999 % % AMPS
Motor Percent Kilowatts 0-999 % KW
P
Auto Demand Limit Input 4-20 mA AUTODEM
Auto Chilled Water Reset 4-20 mA AUTORES
Remote Reset Sensor −40-245 DEG F R
RESET
Total Compressor Starts 0-99999 c starts
Starts in 12 Hours 0-8 STARTS
Compressor Ontime 0-500000.0 HOURS c
hrs
*Service Ontime 0-32767 HOURS S HRS
Ice Build Contact 0-1 OPEN/CLOSE ICE
CON
Refrigerant Leak Sensor 0-20 mA REF LEAK
NOTES:
1. Reset, Off, Local, CCN
2. Timeout, Ready, Recycle, Prestart, Start-up, Ramping, Running, Demand, Override, Shutdown, Trippout, Pumpdown, Lockout
3. Normal, Alert, Alarm
4. All variables with capital letter point names are available for CCN read operation. Those shown with (*) support write operations for all CCN
devices.
EXAMPLE3—STARTUP DISPLAY SCREEN
To access this display from the CVC default screen:
1. Press MENU
.
2. Press STATUS
.
3. Scroll down to highlight STARTUP
.
4. Press SELECT
.
DESCRIPTION STATUS UNITS POINT
Actual Guide Vane Pos 0-100 % GV
ACT
**Chilled Water Pump 0-1 OFF/ON CHWP
Chilled Water Flow 0-1 NO/YES CHW FLOW
**Condenser Water Pump 0-1 OFF/ON CDP
Condenser Water Flow 0-1 NO/YES CDW
FLOW
Oil Pump Relay 0-1 OFF/ON OILR
**Oil Pump Delta P −6.7-200 ^PSI OILPD
Compressor Start Relay 0-1 OFF/ON CMPR
Compressor Start Contact 0-1 OPEN/CLOSED ICR
AUX
Starter Trans Relay 0-1 OFF/ON CMPTRANS
Compressor Run Contact 0-1 OPEN/CLOSED RUN AUX
**Tower Fan Relay Low 0-1 OFF/ON TFR
LOW
**Tower Fan Relay High 0-1 OFF/ON TFR HIGH
Starter Fault 0-1 ALARM/NORMAL STR FLT
Spare Safety Input 0-1 ALARM/NORMAL SAFETY
Shunt Trip Relay 0-1 OFF/ON TRIPR
Starter Fault Status 0-255 STRSTAT
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.
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