Start-Up, Operation, and Maintenance Instructions
Start-Up, Operation, and Maintenance Instructions
Start-Up, Operation, and Maintenance Instructions
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I. CHILLER PROTECT LIMIT FAULTS (cont)<br />
STATE<br />
246<br />
247<br />
248<br />
249<br />
250<br />
251<br />
252<br />
253<br />
PRIMARY<br />
MESSAGE<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
PROTECTIVE<br />
LIMIT<br />
Table 11 — CVC/ICVC Primary <strong>and</strong> Secondary Messages <strong>and</strong><br />
Custom Alarm/Alert Messages with Troubleshooting Guides (cont)<br />
*[LIMIT] is shown on the CVC/ICVC as the temperature, pressure, voltage, etc., set point predefined or selected by the operator as an override,<br />
alert, or alarm condition. [VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped.<br />
J. CHILLER ALERTS<br />
STATE<br />
PRIMARY<br />
MESSAGE<br />
SECONDARY<br />
MESSAGE<br />
INVALID DIFFUSER<br />
CONFIG<br />
DIFFUSER POSITION<br />
FAULT<br />
SPARE TEMPERATURE<br />
#1<br />
SPARE TEMPERATURE<br />
#2<br />
REFRIGERANT LEAK<br />
SENSOR<br />
ISM CONFIG<br />
CONFLICT<br />
ISM CONFIG<br />
CONFLICT<br />
GUIDE VANE<br />
CALIBRATION<br />
140 SENSOR ALERT LEAVING COND<br />
WATER TEMP<br />
141 SENSOR ALERT ENTERING COND<br />
WATER TEMP<br />
142<br />
143<br />
144<br />
145<br />
146<br />
147<br />
148<br />
LOW OIL PRESSURE<br />
ALERT<br />
AUTORESTART<br />
PENDING<br />
AUTORESTART<br />
PENDING<br />
AUTORESTART<br />
PENDING<br />
AUTORESTART<br />
PENDING<br />
AUTORESTART<br />
PENDING<br />
AUTORESTART<br />
PENDING<br />
ALARM MESSAGE<br />
PRIMARY CAUSE<br />
246->Diffuser Control Invalid<br />
Configuration:<br />
Check SETUP2 Entries.<br />
247->Diffuser Position Fault:<br />
Check Guide Vane <strong>and</strong> Diffuser<br />
Actuators<br />
248->Spare Temperature #1<br />
[VALUE] exceeded limit of<br />
[LIMIT]*.<br />
249->Spare Temperature #2<br />
[VALUE] exceeded limit of<br />
[LIMIT]*.<br />
250->Refrigerant Leak Sensor<br />
[VALUE] exceeded Limit of<br />
[LIMIT]*.<br />
251->ISM Config Conflict (ISM<br />
<strong>Up</strong>loaded); Verify to Reset Alarm<br />
252->ISM Config Conflict (ISM<br />
Downloaded); Verify to Reset<br />
Alarm<br />
253->Guide Vane Fault [VALUE].<br />
Check Calibration.<br />
83<br />
ADDITIONAL<br />
CAUSE/REMEDY<br />
Check diffuser/guide vane schedule.<br />
Check rotating stall transducer wiring <strong>and</strong><br />
accuracy.<br />
Check diffuser schedule.<br />
Check for proper operation of diffuser actuator<br />
<strong>and</strong> inlet guide vane actuator.<br />
Check diffuser coupling.<br />
Check inlet guide vane operation.<br />
Check inlet guide vane calibration.<br />
Check diffuser/inlet guide vane schedule.<br />
Check diffuser mechanical set-up for proper<br />
orientation.<br />
If not using variable diffuser, check that the<br />
option has not been enabled.<br />
The refrigerant leak detector’s output wired to<br />
J5-5 <strong>and</strong> J5-6 on the CCM module has<br />
reached the alarm limit.<br />
Check leak detector <strong>and</strong> for leaks.<br />
Confirm valid settings in ISM_CONF screen.<br />
Confirm valid settings in ISM_CONF screen.<br />
Enter Control Test <strong>and</strong> execute Guide Vane<br />
Calibration. Check guide vane feedback (terminals<br />
J4-9 <strong>and</strong> J4-10) on the CCM module.<br />
SECONDARY ALARM MESSAGE<br />
ADDITIONAL<br />
MESSAGE<br />
PRIMARY CAUSE<br />
CAUSE/REMEDY<br />
140->Sensor Fault:<br />
Check sensor resistance or voltage drop.<br />
Check Leaving Cond Water<br />
Sensor<br />
Check for proper wiring.<br />
141->Sensor Fault:<br />
Check sensor resistance or voltage drop.<br />
Check Entering Cond Water<br />
Sensor<br />
Check for proper wiring.<br />
CHECK OIL FILTER 142->Low Oil Pressure Alert. Check for partially or closed shut-off valves.<br />
Check Oil Filter.<br />
Check oil filter.<br />
Check oil pump <strong>and</strong> power supply.<br />
Check oil level.<br />
Check for foaming oil at start-up.<br />
Check transducer wiring <strong>and</strong> accuracy.<br />
LINE PHASE<br />
143->Line Phase Loss Power loss has been detected in any phase.<br />
LOSS<br />
Chiller automatically restarting.<br />
LINE VOLTAGE 144->Single Cycle Line A drop in line voltage has been detected within<br />
DROP OUT<br />
Voltage Dropout<br />
2 voltage cycles. Chiller automatically restarting if<br />
Autorestart option is enabled.<br />
HIGH LINE<br />
145>Line Overvoltage — Check line power.<br />
VOLTAGE<br />
Average Line Volt [VALUE]<br />
LOW LINE<br />
146->Line Undervoltage — Check line power.<br />
VOLTAGE<br />
Average Line Volt [VALUE]<br />
STARTER MODULE 147-><strong>Start</strong>er Module Power- ISM has detected a hardware fault <strong>and</strong> has reset.<br />
RESET<br />
On Reset When Running Chiller automatically restarting.<br />
POWER LOSS 148->Control Power-Loss<br />
When Running<br />
Check control power.