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TrilliumSeries™ Adiabatic
Cooler - TRF Operation & Maintenance Manual
–
Alarms & Troubleshooting
Page | 103
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 MSB bit 1 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 MSB bit 1 = 0
Troubleshooting
Contact your BAC Representative for support
General Alarm DO
True
Effect
N/A
Table 55. Fan X Speed Limit Exceeded Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 8 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 8 = 0
Troubleshooting
Inspect Fan X and ensure there are no obstructions
General Alarm DO
True
Effect
N/A
Table 56. Fan X Motor Blocked Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 7 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 7 = 0
Troubleshooting
Contact your BAC Representative for support
General Alarm DO
True
Effect
N/A
Table 57. Fan X Motor Hall Sensor Error Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 6 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 6 = 0
Troubleshooting
Contact your BAC Representative for support
General Alarm DO
True
Effect
N/A
Table 58. Fan X Motor Overheating Alarm