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When an alarm is detected, the ICVC default screen will
freeze (stop updating) at the time of alarm. The freeze enables
the operator to view the chiller conditions at the time of alarm.
The STATUS tables will show the updated information. Once
all alarms have been cleared (by pressing the soft-
key), the default ICVC screen will return to normal operation.
An alarm condition must be rectified before a RESET will
be processed. However, an alert will clear automatically as
soon as the associated condition is rectified.
ICVC MENU ITEMS — To perform any of the operations
described below, the PIC III must be powered up and have
successfully completed its self test. The self test takes place
automatically, after power-up.
Press the softkey to view the list of menu struc-
tures: , , , and
. See Fig. 16.
• The STATUS menu allows viewing and limited calibration
or modification of control points and sensors, relays and
contacts, and the options board.
• The SCHEDULE menu allows viewing and modification of
the local and CCN time schedules and Ice Build time sched-
ules.
• The SETPOINT menu allows set point adjustments, such as
the entering chilled water and leaving chilled water set
points.
• The SERVICE menu can be used to view or modify infor-
mation on the Alarm History, Control Test, Control Algo-
rithm Status, Equipment Configuration, VFD Configuration
data, Equipment Service, Time and Date, Attach to Net-
work Device, Log Out of Network Device, and ICVC Con-
figuration screens. See Fig. 17.
Press the softkey that corresponds to the menu structure to
be viewed: , , , or
. To view or change parameters within any of these
menu structures, use the and softkeys
to scroll down to the desired item or table. Use the
softkey to select that item. The softkey choices that appear next
depend on the selected table or menu. The softkey choices and
their functions are described below.
BASIC ICVC OPERATIONS (Using the Softkeys) — To
perform any of the operations described below, the PIC III
must be powered up and have successfully completed its self
test.
• Press to leave the selected decision or field without
saving any changes.
• Press to leave the selected decision or field and
save changes.
• Press to scroll the cursor bar down in order to
highlight a point or to view more points below the current
screen.
• Press to scroll the cursor bar up in order to
highlight a point or to view points above the current screen.
• Press to view the next screen level (high-lighted
with the cursor bar), or to override (if allowable) the high-
lighted point value.
• Press to return to the previous screen level.
• Press or to change the high-
lighted point value.
RESET
MENU
STATUS
SCHEDULE
SETPOINT
SERVICE
STATUS
SCHEDULE
SETPOINT
SERVICE
NEXT
PREVIOUS
SELECT
QUIT
ENTER
NEXT
PREVIOUS
SELECT
EXIT
INCREASE
DECREASE
RUNNING TEMP CONTROL
LEAVING CHILLED WATER
01-01-95 11:48
28.8 HOURS
CHW IN CHW OUT EVAP REF
CDW IN CDW OUT COND REF
OIL PRESS OIL TEMP % AMPS IN
CCN LOCAL RESET MENU
55.1 44.1 40.7
85.0 95.0 98.1
21.8 132.9 93
PRIMARY STATUS
MESSAGE
COMPRESSOR
ON TIME
DATE TIME
SOFT KEYS
MENU
LINE
EACH KEY'S FUNCTION IS
DEFINED BY THE MENU DESCRIPTION
ON MENU LINE ABOVE
ALARM LIGHT
(ILLUMINATED
WHEN POWER ON)
STOP BUTTON
•
HOLD FOR ONE
SECOND TO STOP
•
•
BLINKS CONTINUOUSLY
ON FOR AN ALARM
BLINKS ONCE TO
CONFIRM A STOP
SECONDARY
STATUS
MESSAGE
Fig. 14 — ICVC Default Screen
a19-1613
CONTROL TEST
CONTROL ALGORITHM STATUS
EQUIPMENT CONFIGURATION
VFD CONFIGURATION DATA
EQUIPMENT SERVICE
TIME AND DATE
ATTACH TO NETWORK DEVICE
LOG OUT OF DEVICE
ICVC CONFIGURATION
ALARM HISTORY
19XRV_II
SERVICE
Fig. 15 — ICVC Service Screen
a19-1614
- EVERGREEN 1
- 50/60 Hz 1
- CONTENTS 2
- CONTENTS (cont) 3
- INTRODUCTION 4
- CHILLER FAMILIARIZATION 5
- (Fig. 1 and 2) 5
- REAR VIEW 7
- FRONT VIEW 7
- REFRIGERATION CYCLE 8
- MOTOR AND LUBRICATING OIL 8
- COOLING CYCLE 8
- STARTING EQUIPMENT 10
- OPTIONAL 11
- 442A AND 608A VFDs 12
- 900A AND 1200A VFDs 12
- CONTROLS 15
- Definitions 15
- Fig. 10 — Control Panel 17
- Fig. 11 — Power Panel 17
- 55.1 44.1 40.7 20
- 85.0 95.0 98.1 20
- 21.8 132.9 93 20
- Table 4 — ICVC Display Data 27
- 0.1-3.0 SP_HIGH 28
- 0.1-3.0 SP_HIGH 1.0 37
- PIC III System Functions 40
- ECW-10 sec 41
- Error, Gain = 1 41
- Error, Gain = 3 41
- START-UP/SHUTDOWN/ 57
- RECYCLE SEQUENCE (Fig. 27) 57
- Local Start-Up — 57
- Shaft Packing — 60
- LIQUID LINE 63
- Temperature (F) 64
- Temperature (C) 64
- • Surge/ HGBP Deadband = 1 69
- ΔT increase 70
- Delta Tsat 71
- ALARM CONTROL 72
- ALARM ROUTING 72
- LEGEND TO TABLES 16A-16J 91
- E. START-UP IN PROGRESS 92
- F. NORMAL RUN 93
- G. NORMAL RUN WITH OVERRIDES 93
- H. OUT-OF-RANGE SENSOR 94
- J. CHILLER ALERTS 99
- J. CHILLER ALERTS (cont) 100
- Control Modules 107
- Notes on Module Operation 107
- RECTIFIER LED 109
- INVERTER LED 109
- Table 30 — Motor Voltage Code 129
- COMPRESSOR, TRANSMISSION AREA 130
- LOW SPEED SHAFT THRUST DISK 131
- LEGEND FOR FIG. 53-58 133
- SEE NOTE 134
- HOT GAS BYPASS 135
- HOT GAS BYPASS OPTION FOR 136
- NOTE: MOTOR OVERLOAD IS 143
- FACTORY PRE-SET 143
- DO NOT ADJUST 143
- COMBINED I/O 144
- TB1 − LF2 146
- TB3 − LF2 146
- VFD (cont) 147
- LEGEND FOR FIG. 60 148
- NOTES FOR FIG. 60 149
- NOTE 3.6 150
- LEGEND FOR FIG. 61 152
- NOTES FOR FIG. 61 153
- 19XRV CHILLERS 154
- STATUS VPF_STAT 163
- APPENDIX B — LEAD/LAG WIRING 165
- 19XRV Weekly Maintenance Log 168
- 19XRV Maintenance Log 169
- 19XRV Seasonal Shutdown Log 170
- 10's 171
- 1's 171
- — The LEDs indicate if the 175
- Table G — Network Points List 176
- INITIAL START-UP CHECKLIST 179
- No 180
- *If yes, determine cause 180
- DRAWINGS) 180
- 0.1 to 3.0 184
- CCN LOCAL RESET MENU 190
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