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.
EXAMPLE 3 — 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.
22
Summary of Contents for HERMETIC CENTRIFUGAL LIQUID CHILLERS 19XR
Page 13: ...Fig 10 Control Panel Fig 11 Power Panel 13 ...
Page 47: ...Fig 25 19XR Leak Test Procedures 47 ...
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