Vertiv | Liebert CRD10 | User Manual
v
WARNING! Risk of top-heavy unit falling over. Improper handling can cause equipment damage, injury
or death. Read all of the following instructions and verify that all lifting and moving equipment is
rated for the weight of the unit before attempting to move, lift, remove packaging from or prepare
the unit for installation.
WARNING! Risk of unsecured unit rolling off pallet. Can cause equipment damage, injury or death.
The unit is on casters. Ensure that the unit/pallet is located on a flat surface before loosening the
hardware securing the to its shipping pallet.
WARNING! Risk of hair, clothing and jewelry entanglement with high speed rotating fan blades. Can
cause equipment damage, serious injury or death. Keep hair, jewelry and loose clothing secured and
away from rotating fan blades during unit operation.
WARNING! Risk of contact with extremely hot and/or cold surfaces. Can cause injury. Verify that all
components have reached a temperature that is safe for human contact or wear appropriate, OSHA-
approved PPE before working within the electric connection enclosures or unit cabinet. Perform
maintenance only when the system is de-energized and component temperatures have become safe
for human contact.
WARNING! Risk of improper wiring, piping, moving, lifting and handling. Can cause equipment
damage, serious injury or death. Installation and service of this equipment should be done only by
qualified personnel who have been specially-trained in the installation of air-conditioning equipment
and who are wearing appropriate, OSHA-approved PPE.
WARNING! Risk of improper wire sizing/rating and loose electrical connections. Can cause overheated
wire and electrical connection terminals resulting in smoke, fire, equipment and building damage,
injury or death. Use correctly sized copper wire only and verify that all electrical connections are tight
before turning power On. Check all electrical connections periodically and tighten as necessary.
WARNING!
Risk of electric shock. Can cause equipment damage, injury or death. Open all local and
remote electric power supply disconnect switches and verify with a voltmeter that power is off before
working within any electric connection enclosures. Service and maintenance work must be performed
only by properly trained and qualified personnel and in accordance with applicable regulations and
manufacturers’ specifications. Opening or removing the cover
s to any equipment may expose
personnel to lethal voltages within the unit even when it is apparently not operating and the input
wiring is disconnected from the electrical source.
WARNING! Risk of electric shock. Can cause injury or death. Open all local and remote electric power-
supply disconnect switches and verify that power is Off with a voltmeter before working within the
condensate pump electrical connection enclosure. The Liebert® controller does not isolate power
from the unit, even in the “Unit Off” mode. Some internal components require and receive power
even during the “Unit Off” mode of the Liebert® controller.
