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Installation Checklist and System Fill for Startup
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7.0 INSTALLATION CHECKLIST AND SYSTEM FILL FOR STARTUP
7.1 Checklist for Proper Installation
___ 1. The Liebert XDH module is properly mounted.
___ 2. Power cords connected to electrical supply.
___ 3. For Liebert XDH units with coupler option: Flex piping connections to prefabricated header
assembly are secure and according to specifications.
___ 4. For Liebert XDH units with coupler option: Check for holding charge of R-134a.
___ 5. Low voltage wiring to optional condensate detection on the Liebert XDH.
___ 6. Piping from Liebert XDP to Liebert XDH, with isolation valves piped to each Liebert XDH.
___ 7. Piping insulated.
___ 8. Start the Liebert XDH to ensure proper operation (see 8.1 - Start the Liebert XDH).
___ 9. Shut down the Liebert XDH.
7.2 Charging with Refrigerant and Starting the Liebert XD System
The Liebert XD System must be completely installed before it is charged with refrigerant. After
installation is complete, refer to the Liebert XDP or Liebert XDC user manual for instructions on
charging the Liebert XDH with refrigerant and starting the system. The complete Liebert XD system
includes all Liebert XDH, XDO and XDV units, a Liebert XDC or Liebert XDP unit and any other
connected equipment.