User manual

Disassembling the Liebert DS for Transport

Liebert

™

7.3.1 Reconnecting Piping, Charging and Replacing Panels

1. Piping must be reassembled in accordance with local codes.

2. Move insulation and plastic bushings away from the brazing area.

3. Wrap piping with wet cloths. Use copper fittings where required.

4. Refer to 9.0 - Piping for piping guidelines and to the ASHRAE Refrigeration Handbook for

general, good-practice refrigeration piping.

5. Open the service valves on the compressor.

6. Reinsert the plastic bushings.

7. Charge the Liebert DS with refrigerant; see the unit’s nameplate for the proper charge.

8. Reinstall the galvanized panels on the left side of the coil.

9. Replace the filters.

10. Replace the panels.

7.4 Reassembly Checklist

___ 1. Thread-cutting bolts reconnected and torqued to 225 in-lb. (25Nm)

___ 2. Top cover plate attached to coil

___ 3. Filter plate attached

___ 4. High-voltage wires connected to proper contactors:

___ a. Compressor

___ b. Fan motor

___ c. Reheat, if applicable

___ d. Humidifier, if applicable

___ e. Condensate pump, if applicable

___ 5. Low-voltage wires connected

___ a. Actuator

___ b. Terminal strip

___ c. Plug connections

___ d. Smoke detector, if applicable

___ 6. Coil access plates on right and left replaced

___ 7. Water lines brazed

___ 8. Suction and liquid refrigerant lines brazed

___ 9. Unit recharged

___ 10. Filters replaced

___ 11. Panels replaced