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2. There are 4 set points on this screen: Base Demand Limit;
LCW Set Point (leaving chilled water set point); ECW
Set Point (entering chilled water set point); and ICE BUILD
set point. Only one of the chilled water set points can be
active at one time, and the type of set point is activated
in the Service menu. ICE BUILD is also activated and
configured in the Service menu.
3. Press NEXT or PREVIOUS to highlight the desired
set point entry.
4. Press SELECT to modify the highlighted set point.
5. Press INCREASE or DECREASE to change the se-
lected set point value.
6. Press ENTER to save the changes and return to the
previous screen.
SERVICE OPERATION — To view the menu-driven pro-
grams available for Service Operation, see Service Opera-
tion section, page 33. For examples of LID display screens,
see Table 2.
Table 2 — LID Screens
NOTES:
1. Only 12 lines of information appear on the LID screen at any given time. Press
NEXT
or PREVIOUS to highlight a point or to view points
below or above the current screen.
2. The LID may be configured in English or SI units, as required, through the LID configuration screen.
3. Data appearing in the Reference Point Names column is used for CCN operations and the identification of points in the alarm history file.
4. All table information includes variables available for read operation on a CCN. Descriptions shown with (*) support write operations for BEST
programming language, data-transfer, and overriding.
EXAMPLE 1 — STATUS01 DISPLAY SCREEN
To access this display from the LID default screen:
1. Press
MENU
.
2. Press STATUS (STATUS01 will be highlighted).
3. Press SELECT .
DESCRIPTION
RANGE
UNITS
REFERENCE POINT NAME
(ALARM HISTORY)
Control Mode
Reset.Off.Local.CCN
MODE
Run Status
Timeout.Recycle.Startup.
STATUS
Ramping.Running.Demand.
Override.Shutdown.Abnormal.
Pumpdown
Occupied ?
No/Yes
OCC
Alarm State
Normal/Alarm
ALM
*Chiller Start/Stop
Stop/Start
CHIL
S
S
Base Demand Limit
40-100
%
DLM
*Active Demand Limit
40-100
%
DEM
LIM
Compressor Motor Load
0-999
%
CA
L
Current
0-9999
%
CA
P
Amps
0-9999
AMPS
CA
A
*Target Guide Vane Pos
0-100
%
GV
TRG
Actual Guide Vane Pos
0-100
%
GV
ACT
Water/Brine: Set Point
10-120 (–12.2-48.9)
DEG F (DEG C)
SP
*
Control Point
10-120 (–12.2-48.9)
DEG F (DEG C)
LCW
STPT
Entering Chilled Water
–40-245 (–40-118)
DEG F (DEG C)
ECW
Leaving Chilled Water
–40-245 (–40-118)
DEG F (DEG C)
LCW
Entering Condenser Water
–40-245 (–40-118)
DEG F (DEG C)
ECDW
Leaving Condenser Water
–40-245 (–40-118)
DEG F (DEG C)
LCDW
Evaporator Refrig Temp
–40-245 (–40-118)
DEG F (DEG C)
ERT
Evaporator Pressure
–6.7-420 (–46-2896)
PSI (kPa)
ERP
Condenser Refrig Temp
–40-245 (–40-118)
DEG F (DEG C)
CRT
Condenser Pressure
–6.7-420 (–46-2896)
PSI (kPa)
CRP
Discharge Temperature
–40-245 (–40-118)
DEG F (DEG C)
CMPD
Bearing Temperature
–40-245 (–40-118)
DEG F (DEG C)
MTRB
Motor Winding Temp
–40-245 (–40-118)
DEG F (DEG C)
MTRW
Oil Sump Temperature
–40-245 (–40-118)
DEG F (DEG C)
OILT
Oil Pressure Transducer
–6.7-420 (–46-2896)
PSI (kPa)
OILP
Oil Pressure
–6.7-420 (–46-2896)
PSID (kPad)
OILPD
Line Voltage:
Percent
0-999
%
V
P
Actual
0-9999
VOLTS
V
A
*Remote Contacts Input
Off/On
REMCON
Total Compressor Starts
0-65535
c
starts
Starts in 12 Hours
0-8
STARTS
Compressor Ontime
0-500000.0
HOURS
c
hrs
*Service Ontime
0-32767
HOURS
S
HRS
*Compressor Motor kW
0-9999
kW
CKW
17
Summary of Contents for 19EF Series
Page 10: ...Fig 5 19EF Controls and Sensor Locations cont 10...
Page 13: ...Fig 12 19EF Menu Structure 13...
Page 14: ...Fig 13 19EF Service Menu Structure 14...
Page 38: ...Fig 24 19EF Leak Test Procedures 38...
Page 69: ...Fig 36 Electronic PIC Controls Wiring Schematic 69...
Page 70: ...Fig 36 Electronic PIC Controls Wiring Schematic cont 70...
Page 71: ...Fig 37 Machine Power Panel Starter Assembly and Motor Wiring Schematic 71...