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

Maintenance 42
Component to be inspected Task Frequency Capable party
—
Verify that fan operation can be
ramped up to 100% and back
down to the desired setpoint.
Semi-annually Qualified personnel
—
Record the evaporator fan
amperage draw.
Quarterly Qualified personnel
Adiabatic unit dampers,
actuators, and rods
Inspect the unit for:
•
Full range of operation (full
open to full shut)
•
No binding
•
Smooth operation
Clean as necessary.
Quarterly Qualified personnel
Heaters
Inspect heating elements to be sure
that they are free of debris.
Quarterly Qualified personnel
—
If possible, enable heater to ON
and record the heater amperage
draw.
Quarterly Qualified personnel
Adiabatic media drip pan drain
lines and p-trap
Inspect and verify:
•
No blockage of the drain
line—internal
•
Condensate can pass freely
•
P-traps are intact and not
leaking
•
No blockage of the drain
line—external to the site drain
Clean and remove debris as
necessary.
Quarterly Qualified personnel
Internal drip pans
Inspect the pans and the unit
interior. Clean and remove debris
as necessary.
Quarterly Qualified personnel
Controller/control boxes
Inspect unit control boxes for loose
connectors and components.
Quarterly Qualified personnel
—
Review and record controller
alarm history.
Quarterly Qualified personnel
—
Record transformer and UPS
voltages.
Quarterly Qualified personnel
Unit power—connections
Check all of the electrical
connections for tightness and
tighten as necessary. Be sure that
electrical components are secure.
Quarterly Qualified personnel
Unit power—measure
Record the following voltages:
•
L1
•
L2
•
L3
•
L1 to ground
•
L2 to ground
•
L3 to ground
Quarterly
Qualified personnel
System sensor
Calibrate air temperature sensors. Annually Qualified personnel
Adiabatic media
Inspect Adiabatic media for
excessive calcium build up and
proper operation. Replace as
needed.
Quarterly Qualified personnel