American Power Conversion Central Air Conditioning System Benutzerhandbuch
NetworkAIR IR Operation, Maintenance, and Troubleshooting
65
Semi-Annual Preventive Maintenance
Photocopy and use the pages in this section during the maintenance procedures and save them for future
reference.
reference.
Perform all the Monthly/Quarterly Preventive Maintenance items AND the items below.
Prepared by: _________________________________
Model Number: ______________________________
Serial Number: _______________________________
Date: _________________
Cleanliness
*
Ensure that the chilled water coil is clean.
Electrical
*
Verify that the contactors and relays are operating correctly.
*
Check the main power wiring for the following components:
• Reheat elements
• Evaporator motors
• Humidifiers
• Reheat elements
• Evaporator motors
• Humidifiers
Functional tests
*
Verify the operation of the coil fluid (water regulating) valves:
Pressure (PSI) ______________
*
Check the operation of all System alarms.