Figure 13.6 Condensate pump
ITEM DESCRIPTION
1 600-mm (24-in.) unit, near the front of the unit
2 300-mm (12-in.), air-cooled unit, near the front of the unit
3 300-mm (12-in.), chilled-water unit, near the rear of the unit
4 300-mm (12-in.), water/glycol-cooled unit, near the front of the unit
13.9 Air-Cooled Condenser and Drycooler Maintenance
• Clear coil surface of all debris that will inhibit airflow.
• Check for bent or damaged coil fins and correct.
• Do not permit snow to accumulate around or under outdoor unit.
• Periodically consider commercial cleaning of coil surface
• Inspect fans, motors and controls for proper operation.
• Check all piping and capillaries for proper support.
• Inspect for leaks.
13.10 Electric Reheat Maintenance
• Inspect and clean reheat elements.
• Inspect and tighten support hardware.
13.11 Fan Replacement
13.11.1 Replacing a Fan in 600-mm (24-in.) Models
WARNING! Risk of contact with high-speed, rotating fan impeller blades. Can cause injury or
death. Open all local and remote electrical-supply disconnect switches, verify with a voltmeter
that power is off, and verify that all fan impellers have stopped rotating before working in the
unit. or disconnecting the fan power wires.
Refer to Figure 13.7 on the next page for the fan-assembly components.
To replace the fan:
1. Shut off all power to the unit by closing the main disconnect switch on the electrical panel on
the rear of the Liebert CRV.Open the front door.
2. Open the panel assembly that contains the fans, using the quarter-turn latches.
Vertiv | Liebert CRV Installer/User Guide | 141
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