Vapor Injection Valve Replacement

Nota In most cases, only the coil requires replacement. No other repair is possible on solenoid valves.

Removal

  1. Recover the refrigerant charge from the unit.

  2. Turn the Unit On/Off switch Off. Disconnect electrical connections to valve coil.

  3. Unsolder liquid line connections to the valve.

  4. Remove the valve from the unit.

Installation

  1. Clean the tubes for soldering.

      Avviso
    • Danni alle apparecchiature
    • Per non danneggiare il nuovo interruttore, utilizzare un dissipatore di calore o avvolgere lo stesso in stracci umidi.
  2. Place the new valve in position and solder the liquid line connections.

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

  4. Recover the refrigerant used for the leak test if no leaks were found.

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

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

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

  8. Perform a controller pretrip test to verify system operation.

Valvola di iniezione del vapore