Vertiv | Liebert CRV CCD10 Condenser | User Manual
IMPORTANT SAFETY INSTRUCTION
SAVE THESE INSTRUCTIONS
This manual contains important safety instructions that should be followed during the installation and
maintenance of the Liebert CRV. Read this manual thoroughly before attempting to install or operate this unit.
Only qualified personnel should move, install or service this equipment.
Adhere to all warnings, cautions, notices and installation, operating and safety instructions on the unit and in this
manual. Follow all installation, operation and maintenance instructions and all applicable national and local
building, electrical and plumbing codes.
Any operation that requires opening doors or equipment panels must be carried out only by properly trained and
qualified personnel.
To identify the unit model and serial number for assistance or spare parts, locate the identification label on the
unit.
WARNING! Arc flash and electric shock hazard. Can cause serious injury or death. Disconnect all local and
remote electric power supplies and wear appropriate, OSHA-approved personal protective equipment (PPE)
per NFPA 70E before working within the electric control enclosure. Customer must provide earth ground to
unit, per NEC, CEC and local codes, as applicable.
Verify with a voltmeter that power is Off. The Liebert® controller does not isolate power from the unit, even in
the “Unit Off” mode. Some internal components still require and receive power even during the “Unit Off”
mode of the controller. The factory-supplied, optional disconnect switch is inside the unit. The line side of this
switch contains live high voltage. The only way to ensure that there is NO voltage inside the unit is to install
and open a remote disconnect switch. Refer to unit electrical schematic.
Before proceeding with installation, read all instructions, verify that all the parts are included and check the
nameplate to be sure the voltage matches available utility power. Follow all local codes.
WARNING! Risk of electric shock. Can cause serious 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 any electric
connection enclosures. The Liebert® microprocessor 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® control.
Installation, service, and maintenance work must be performed only by properly trained and qualified
personnel and in accordance with applicable regulations and manufactu
rers’ specificatio
ns. Opening or
removing the covers to any equipment may expose personnel to lethal voltages within the unit even when it is
apparently not
o
perating and the input wiring is disconnected from the electrical source.
WARNING! Risk of over-pressurization of the refrigeration system. Can cause serious injury or death. Can
cause explosive discharge of high-pressure refrigerant, loss of refrigerant, environmental pollution, or building
and equipment damage. This unit contains fluids and gases under high pressure. Use extreme caution when
