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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.
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
Functional tests
* Verify the operation of the coil fluid (water regulating) valves:
Pressure (PSI) ______________
* Check the operation of all System alarms.