Maintenance
101 Liebert
®
SRC™ User Manual
9.0 Maintenance
If the unit will not be used for an extended period of time, dry the unit to maintain it in the best condition.
Clean the unit regularly to maintain optimal performance and to prevent possible breakdown.
• Dry the unit in Fan mode for 3 to 4 hours and disconnect the power. There may be internal damage if
moisture is left in unit’s components.
• Before using the unit again, dry the unit in Fan mode for 3 to 4 hours to remove odor generated by
moisture.
Figure 9-1 Cleaning the outside of the indoor unit
NOTICE
Risk of improper cleaning. Can cause cabinet finish damage.
• Never use water that is higher than 104° (40°C) when you clean the filters. It may cause
deformation or discoloration.
• Never use volatile substances when you clean the filters. These may damage the surface of the
unit.
• Do not wash the 3M filter (optional) with water because it can be damaged by water.
• Do not wash the Triple filter (optional) with water because it can be damaged by water.
WARNING
Arc flash and electric shock hazard. Can cause serious injury or death. Open all local and remote
electric power disconnect switches, verify with a voltmeter that power is off and wear personal
protective equipment per NFPA 70E before working within the electric control enclosure.
Table 9-1 Cleaning Schedule
Component Description Interval
Air filter Clean with a vacuum or hand wash. 2 weeks
Triple filter Clean with a vacuum or brush. Every 3 months
3M filter Clean with a vacuum or brush. Every 6 months
Ionizer (optional) Use a dry cotton bud to remove any dust. Every 6 months
Indoor unit
Clean the surface using a soft, dry cloth. Regularly
Have a professional clean the condensate drain pan. Once a year
Have a professional clean the condensate drain pipe. Every 4 months
Outdoor unit
Have a professional clean the heat-exchanger coils and the
panel vents. (Consult a technician.)
Once a year
Have a professional clean the fan. Once a year
Have a professional clean the condensate drain pan Once a year
Have a professional verify that the fan assembly is firmly
tightened.
Once a year
Clean the electric components with air. Once a year
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