User manual

Initial Startup Checks and Commissioning Procedure for Warranty Inspection
129 Liebert
®
DS
™
12.1 Information for Warranty Inspection—Remove Power From Unit Disconnect
Complete the following items on the warranty inspection form:
• Installer name and address
• Owner name and address
• Site contact name and phone number
• Installation date
• Indoor unit model number and serial number
• Outdoor unit (condenser or drycooler) model number and serial number
• Condition of unit when received
• Is there a freight damage claim in process? If so, have all relevant parties been notified?
• Have manuals been kept with unit?
• Is the Liebert Precision Cooling unit connected to site monitoring or switchover controls?
• Provide model and serial of connected controls for switchover controls.
12.2 Startup Checks With Panels Removed and Main Disconnect Off
___ 1. Check all internal piping clamps and tighten or secure if needed.
___ 2. Check field piping for proper support and proper connection.
___ 3. Check unit belts for correct tension and alignment.
___ 4. Check unit electrical connections, including and Mate N’ Loc connections to the control
boards, and tighten or secure if needed.
___ 5. Remove all debris, tools and documents from unit area.
12.2.1 Inspect and Record
Main Fan hp: _________________________
Voltage: _________________________
Proper Belt Tension and Alignment: _________________________
Belt Size: _________________________
Motor Sheave: _________________________
Fan Pulley: _________________________
EC Plug Fan: Assemblies Tight and Secured (check one)
___ Fan secured in UP position
___ Fan secured in Down position
Filter Size: _________________________
Quantity: _________________________
Piping Size (Air Cooled Only)
Discharge: _________________________
Liquid: _________________________
___ Piping trapped according to installation manual (air cooled)
Total Equivalent Length for Discharge and Liquid Piping: _________________________
#1 Compressor Model #: _________________________
#1 Compressor Serial #: _________________________
#2 Compressor Model #: _________________________
#2 Compressor Serial #: _________________________