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Operation
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5.0 OPERATION
5.1 Startup Checklist
Refer to 4.0 - Checklist for Completed Installation and verify that all installation items have
been completed before beginning to start the condenser.
5.2 Startup
• Locate “Liebert Condensers and Drycoolers Warranty Inspection Check Sheet”
(Document # SAFM-8542-54).
• Turn the condenser disconnect ON. Indoor units should be turned on and set for cooling to allow
operation of condenser.
• Check the fans for proper rotation: Clockwise when viewing the unit from the fan guard (top) side.
Check that air is being drawn through the coil and discharged out the fan assembly. Some ambi-
ent thermostats may need to be temporarily adjusted to lower temperature settings to observe all
fans operate. Readjust thermostat settings to correspond to setpoints shown on the electrical
schematic supplied with the unit.
• Complete “Liebert Condensers and Drycoolers Warranty Inspection Check Sheet”
(Document # SAFM-8542-54).
• Contact your local Liebert sales representative or Liebert Air Product Support if you have any
questions or problems during unit startup and commissioning.
• Local Liebert sales offices and Liebert air product support contacts can be found at
www.liebert.com/servicesupport_pages/ServiceSupport.aspx?x=servicesupport or by
calling 1-800-LIEBERT.
!
WARNING
Risk of electric shock. Can cause injury or death.
Disconnect all local and remote electric power supplies before working within. Unit contains
potentially lethal electrical voltage.
Only properly trained and qualified personnel may perform repair, maintenance and cleaning
operations.
The fans may start unexpectedly. Disconnect power supply before working on unit. Line side
of factory disconnect remains energized when disconnect is off. Use a voltmeter to make sure
power is turned off before checking any electrical connections or functions.
NOTE
This document must be completed and forwarded to your local Liebert sales office to validate
warranty.