7 MAINTENANCE
CAUTION: Risk of improper repair and maintenance. Can cause reduced unit performance,
equipment damage and injury.
All maintenance and repair jobs must be performed by properly trained and qualified personnel.
All actions must be in accordance with regulations and the manufacturer’s instructions. Use
only Vertiv-approved tools and parts for maintenance and repair.
NOTICE
Risk of dirty heat exchanger. Can cause reduced unit performance (increased pressure drop or poor heat
transfer).
Clean the heat exchanger fins with a a vacuum cleaner, soft brush or compressed air.
7.1 General Maintenance
1. Check the heat exchanger for dirt and debris.
2. Check functionality of the isolation valves.
3. Check the chilled water system for leaks.
Vertiv | Liebert® DCD™ User Manual | 47
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