Condenser Coil Replacement

Argomento collegato: Manutenzione del sistema di refrigerazione

Removal

  1. Recover the refrigerant charge from the unit.

  2. Remove the condenser fan grille, condenser fan blade and condenser fan shroud.

  3. Remove condenser coil support brackets from coil.

  4. Unsolder coil inlet and liquid line connections.

  5. Support the coil and unbolt the condenser coil mounting brackets. Slide coil from the unit.

Installation

  1. Clean the tubes for soldering.

  2. Slide the coil into the unit and install the bolts in the mounting brackets.

  3. Solder the inlet line and liquid line connections.

    Importante It is strongly recommended that dry nitrogen be used to purge the system during any solder operations (Refer to Using Pressurized Nitrogen).

  4. Perform a controller pretrip test to verify system operation. Check compressor oil level.

  5. Pressurize the system and test for leaks (Refer to Prova di tenuta nel sistema di refrigerazione.). Repair leak if required.

  6. Recover the leak test gas if no leaks were found.

  7. Evacuate the system (Refer to Svuotamento e pulizia del sistema di refrigerazione).

  8. Replace the condenser coil support brackets, condenser fan shroud and condenser fan grille.

  9. Recharge the unit with R-404A/R-452A (Refer to Ricarica del sistema con refrigerante).

  10. Recharge the unit with R-134a/R-513A (Refer to Ricarica del sistema con refrigerante).