ESIE15-08B | Part 3. Repair 2. Unit specific repair procedures Monobloc CA19/07/16 Page 125Daikin Altherma Monobloc CA2.2.7. Replacing the compressor2.2.7.1 Preliminary actions1. Switch off the Daikin Altherma Monobloc CA via the user interface.2. Switch off the Daikin Altherma Monobloc CA with the field supplied circuit breaker.3. Recover the refrigerant, refer to "Refrigerant recovery" on page 106.4. Remove the switch box, refer to "Replacing the switch box" on page 117.5. Remove the compressor sound insulation, refer to "Removing the compressor sound insulation" on page 114.6. Connect a nitrogen hose to the outdoor suction service port.7. Attach a hose with core-depressor to allow the release of the nitrogen.2.2.7.2 ProcedureRemoval1. Loosen and remove the 2 screws (1) that fix the partition plate assembly (2).2. Remove the partition plate assembly (2).3. Remove the terminal cover (3) and unplug the compressor wiring (4).4. Using a pipe cutter, cut the compressor pipes (5) below the soldered joint.5. Loosen and remove the 3 nuts (6) that fix the compressor (7).6. Remove the compressor (7).7. Remove the dampers (9) with bushings (10) from the compressor (7).8. Recuperate the putty (8).9. Supply nitrogen to the piping circuit.10. Heat the 2 compressor pipes (5) using an oxygen acetylene torch.11. When the solder is liquid, remove the 2 compressor pipes (5).12. Cut the nitrogen supply when the piping has cooled down.C AUTIONThe maximum applied Nitrogen pressure must not exceed 0.02 MPa.
