Checklist For Completed Installation; Moving And Placing Equipment; Electrical Installation Checks; Piping Installation Checks - Liebert PX018 Installer's/User's Manual

Pdx and pcw series thermal management systems, 3 to 8 ton (11 to 29 kw) capacity, upflow and downflow, 60 hz
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7 CHECKLIST FOR COMPLETED INSTALLATION

7.1 Moving and Placing Equipment

1.
Unpack and check received material.
2. Proper clearance for service access has been maintained around the equipment.
3. Equipment is level and mounting fasteners are tight.

7.2 Electrical Installation Checks

1.
Supply voltage and phase matches equipment nameplate.
2. Power wiring connections completed to the disconnect switch, evaporator unit and heat
rejection equipment.
3. Power line circuit breakers or fuses have proper ratings for equipment installed.
4. Control wiring connections completed between indoor evaporator and heat-rejection
equipment.
5. All internal and external high- and low-voltage wiring connections are tight.
6. Confirm that unit is properly grounded to an earth ground.
7. Control transformer setting matches incoming power.
8. Electrical service conforms to national and local codes.
9. Check blowers and compressors for proper rotation.
10. Check for loose electrical connections on steam generating humidifier. Confirm that electrode
plugs are pressed firmly onto the electrode pins.

7.3 Piping Installation Checks

1.
Piping completed to coolant loop (if required).
2. Piping has been leak-checked, evacuated and charged (if required).
3. Additional oil has been added for system charges over 40 pounds (18.1kg) per circuit. See
Table 5.8 on page 37.
4. Piping is properly sized, sloped and trapped as shown in the piping schematics.
5. Check piping inside and outside of equipment for proper support and adequate spacing to
prevent rub-through.
6. Ensure TXV equalizer lines and sensing bulb lines have sufficient clearance and do not rub
against other refrigerant lines.
7. Ensure units with EEV have a receiver installed/piped on the Liebert MC and receiver is
mounted at or above the relative height of the EEV in the PDX unit.
8. Ensure that factory clamps have been reinstalled.
9. Drain line connected, not obstructed, and pitched per local code.
10. Water supply line connected to humidifier and not leaking.
11. Water/Coolant fluid supply and condensate drain line piping has no leaks or visible damage.
Vertiv | Liebert® PDX™ and PCW™ Installer/User Guide |
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