106 UNT-SVX07B-EN
Maintenance
WARNING
Hazardous Voltage w/Capacitors!
Disconnect all electric power, including remote disconnects and discharge all motor start/run
capacitors before servicing. Follow proper lockout/tagout procedures to ensure the power
cannot be inadvertently energized. For variable frequency drives or other energy storing
components provided by Trane or others, refer to the appropriate manufacturer’s literature for
allowable waiting periods for discharge of capacitors. Verify with an appropriate voltmeter that
all capacitors have discharged. Failure to disconnect power and discharge capacitors before
servicing could result in death or serious injury.
Monthly Maintenance
1. Inspect unit air filters. Clean or replace if airflow is blocked or if filters are dirty.
2. Check the main and auxiliary drain pans on fan-coil units to be sure the pans are clean and do
not impede the condensate flow through the drain line.
Annual Maintenance
Check and tighten all set screws, bolts, locking collars and sheaves.
1. Inspect the unit cabinetry for chips or corrosion. Clean or repair to provide unit protection.
2. Inspect the fan wheel an
d housing for damage. Rotate the fan wheel manually to be sure
movement is not blocked by obstructions.
3. Inspect the coil fins for excessive dirt or
damage. Remove dirt and straighten fins.
4. Clean and tighten all electrical connections.
5. Inspect the strainer option for debr
is trapped in the filter screen.
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