User manual

Initial Startup Checks and Commissioning Procedure for Warranty Inspection
Liebert
®
DS
™
128
12.0 INITIAL STARTUP CHECKS AND COMMISSIONING PROCEDURE FOR WARRANTY
INSPECTION
NOTICE
Risk of improper electrical connection of three-phase input power. Can cause unit damage.
Service technicians should use a gauge set on the Liebert DS system during the initial startup
to verify that the three-phase power is connected properly. The EC fans are not a reliable
indicator of proper connection. The blowers will rotate the same direction, regardless of the
three-phase power input.
• Confirm that all items on 11.0 - Checklist for Completed Installation have been done.
• Locate “Liebert DS Warranty Inspection Check Sheet” in unit electric panel. (Document number
SAFM-8542-29)
• Complete “Liebert DS Warranty Inspection Check Sheet” during startup. (Document number
SAFM-8542-29).
• Forward the completed “Liebert DS Warranty Inspection Check Sheet” to your local Emerson
sales office. This information must be completed and forwarded to Emerson to validate
warranty.
• Contact your local Emerson sales representative or Liebert Air Product Support if you have any
questions or problems during unit startup and commissioning.
• Local Emerson Sales offices and Liebert Air Product Support contacts can be found at
www.liebert.com
or by calling 1-800-LIEBERT.
Liebert DS warranty startup procedures includes the following steps. These steps must be completed
to validate warranty.
!
WARNING
Risk of electric shock. Can cause injury or death
Disconnect local and remote power supplies before working within.
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 improper wiring, piping, moving, lifting and/or handling. Can cause equipment
damage, injury or death.
Only qualified service personnel should move, install or service this equipment.
Read all installation, operating and safety instructions before proceeding.
Read and follow all warnings in this manual.
!
WARNING
Risk of fire suppression and alarm system activation. Can cause injury during building
evacuation and mobilization of emergency fire and rescue services.
Startup operation of optional electric reheat elements may activate facility alarm and fire
suppression system. Prepare and take appropriate steps to manage this possibility. Activating
reheat during initial startup may burn off particulates from electric reheat elements.
Check the steam generating humidifier electrode plugs to ensure that they are pressed firmly
onto the pins. Loose connections will cause the cylinder and plugs to overheat.
Before beginning initial startup checks, make certain that unit was installed according to the
instructions in this manual. All exterior panels must be in place.