HP Performance Optimized Datacenter 240e North America (Adiabatic) Maintenance and Service Guide

AHU system 15
AHU system
AHU operator safety
WARNING: Turn off power to the unit unless you are performing tests that require power. With
power and controls energized, the unit could begin operating automatically at any time. To
prevent personal injury, stay clear of rotating components as automatic controls might start them
unexpectedly.
WARNING: Hazardous voltage will still be present inside the electric box at the motor start
protectors and circuit breakers, even with the unit turned off at the microprocessor controller.
WARNING: This unit employs high voltage equipment with rotating components. Exercise
extreme care to avoid accidents and make sure there is proper operation.
CAUTION: Always disconnect the main power before performing any service or repairs. Turn off
the power at the main power disconnect switch to isolate the unit for maintenance.