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108
Table 16 — ICVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
I. CHILLER PROTECTIVE LIMIT FAULTS (cont)
*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set point predefined or selected by the operator as an override, alert, or alarm condition.
[VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped. "Exceeded Limit" in Alarm or Alert messages may mean the value is above or
below a threshold.
J. CHILLER ALERTS
*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set point predefined or selected by the operator as an override, alert, or alarm condition.
[VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped. "Exceeded Limit" in Alarm or Alert messages may mean the value is above or
below a threshold.
ICVC
FAULT
STATE
PRIMARY MESSAGE
SECONDARY MESSAGE
PRIMARY CAUSE
ADDITIONAL
CAUSE/REMEDY
248
PROTECTIVE LIMIT
SPARE TEMPERATURE #1
248->Spare Temperature #1 [VALUE]
exceeded limit of [LIMIT]*.
Check component that SPARE TEMPERATURE
#1 is monitoring. Check SPARE TEMP #1
ENABLE and SPARE TEMP #1 LIMIT in SETUP1
screen. Check SPARE TEMPERATURE #1 sen-
sor resistance or voltage drop. Check SPARE
TEMPERATURE #1 wiring to CCM J4-25 and J4-
26.
249
PROTECTIVE LIMIT
SPARE TEMPERATURE #2
249->Spare Temperature #2 [VALUE]
exceeded limit of [LIMIT]*.
Check component that SPARE TEMPERATURE
#2 is monitoring. Check SPARE TEMP #2
ENABLE and SPARE TEMP #2 LIMIT in SETUP1
screen. Check SPARE TEMPERATURE #2 sen-
sor resistance or voltage drop. Check SPARE
TEMPERATURE #2 wiring to CCM J4-27 and J4-
28.
250
PROTECTIVE LIMIT
REFRIGERANT LEAK SENSOR
250->Refrigerant Leak Sensor [VALUE]
exceeded limit of [LIMIT]*
REFRIGERANT LEAK OPTION is Enabled and
the REFRIGERANT LEAK SENSOR output
exceeded REFRIGERANT LEAK ALARM mA.
Check for refrigerant leaks. Check leak detector
for proper operation. Check REFRIGERANT
LEAK ALARM mA setting in the OPTIONS screen.
Check 4-20 mA or 1-5 V output from refrigerant
leak sensor to CCM J5-5 and J5-6. Confirm that
CCM SW2 dip switch 1 is in the correct position.
251
PROTECTIVE LIMIT
ISM CONFIG CONFLICT
251->ISM Config Conflict; Verify and
Save ISM Config Data to Reset
The ISM_CONF table stored in the ISM does not
match that which is stored in the ICVC. This is a
normal fault if an ICVC has been uploaded with
software when it was not attached to the CCM. In
order to recall parameters stored in the ISM: Enter
ISM_CONF screen and then immediately exit
ISM_CONF screen by pressing EXIT then CAN-
CEL. Next, re-enter the ISM_CONF screen a sec-
ond time so parameters stored in the ISM will be
uploaded into the ICVC. Confirm that the settings
in the ISM_CONF screen are correct. Press EXIT
then SAVE to store the ISM_CONF screen set-
tings in both the ICVC and ISM.
252
Not Used
Not Used
252->Not Used
253
PROTECTIVE LIMIT
GUIDE VANE CALIBRATION
253->Guide Vane Fault [VALUE]. Check
Calibration
Alarm before start indicates guide vane opening
has not closed to less than 4%. Alarm while run-
ning indicates guide vane position is < -1% or >
103%, or feedback voltage between CCM J4-9
and J4-10 is < .045 or > 3.15 VDC. Enter CON-
TROL TEST and conduct Guide Vane Calibration.
Check wiring between the guide vane feedback
potentiometer and CCM terminals J4-9 and J4-10.
Check the 10,000 ohm guide vane position feed-
back potentiometer.
254
PROTECTIVE LIMIT
HIGH COND WATER FLOW
254->High Flow: Condenser Water
Delta P Limit (VALUE) exceeded limit of
[LIMIT]*
COND HI FLOW ALARM OPT is enabled and
CONDENSER WATER DELTA P has exceeded
configured limit. Check FLOW DELTA P DISPLAY
and COND HI FLOW DEL P LIMIT in SETUP1
screen. Check optional Condenser Water Pres-
sure transducer wiring and accuracy. Confirm that
5 V reference signal is available between CCM J3-
19 and J3-21 and J3-22 and J3-24. Check for dis-
connected, grounded, or shorted wiring. If con-
denser water pressure transducers are not
installed, check for presence of resistors and
jumpers CCM terminals J3-19 through J3-24. See
Chiller Controls Schematic if flow switches are
used.
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
PRIMARY CAUSE
ADDITIONAL
CAUSE/REMEDY
140
SENSOR ALERT
LEAVING COND
WATER TEMP
140->Sensor Fault: Check Leaving
Cond Water Sensor
LEAVING CONDENSER WATER temperature sensor reading is out of
range. Check LEAVING CONDENSER WATER sensor resistance or
voltage drop.
Check for proper wiring to CCM J4-7 and J4-8. Check for grounded sen-
sor leads.
141
SENSOR ALERT
ENTERING
COND WATER
TEMP
141->Sensor Fault: Check Enter-
ing Cond Water Sensor
ENTERING CONDENSER WATER temperature sensor reading is out of
range. Check LEAVING CONDENSER WATER sensor resistance or
voltage drop.
Check for proper wiring to CCM J4-7 and J4-8. Check for grounded sen-
sor leads.
142
LOW OIL
PRESSURE
ALERT
CHECK OIL
FILTER
142->Low Oil Pressure Alert.
Check Oil Filter
Check for partially or closed shut-off valves.
Check oil filter. Check oil pump and power supply. Check oil level. Check
for foaming oil at start-up.
Check Oil Sump Pressure and Oil Pump Discharge Pressure transducer
accuracy and wiring to CCM J3-1 through J3-6.
Summary of Contents for AquaEdge 19XR series
Page 69: ...69 Fig 33 19XR Leak Test Procedures a19 1625 ...
Page 154: ...154 Fig 64 Benshaw Inc Wye Delta Unit Mounted Starter Wiring Schematic Low Voltage a19 1873 ...
Page 161: ...161 Fig 69 Typical Low Voltage Variable Frequency Drive VFD Wiring Schematic 575 v ...
Page 162: ...162 Fig 69 Typical Low Voltage Variable Frequency Drive VFD Wiring Schematic 575 v cont ...
Page 186: ...186 APPENDIX B LEAD LAG WIRING 19XR Lead Lag Schematic Series Cooler Flow a19 1655 ...
Page 187: ...187 APPENDIX B LEAD LAG WIRING cont 19XR Lead Lag Schematic Parallel Cooler Flow a19 1717 ...