Low Pressure Cutout Switch Replacement

Parent topic: Refrigeration Maintenance

Removal

  1. Recover the refrigerant charge from the unit (see “Refrigerant Recovery” in this chapter).

  2. Disconnect the leads from the wire harness.

  3. Unsolder the low pressure cutout switch from the unit.

Installation

  1. Clean the tube for soldering.

  2. Place the new switch in position and solder the suction line connection.

      Notice
    • Equipment Damage
    • Use a heat sink, P/N 204-584, or wrap the vibrasorber with wet rags to prevent damaging the vibrasorber.

  3. Pressurize the refrigeration system and check for leaks (see “Refrigerant Leak Test Procedure” in this chapter).

  4. Evacuate the system (see “Evacuation and Cleanup of the Refrigeration System” in this chapter).

  5. Recharge the unit (see “Refrigerant Charge” in this chapter).

  6. Reconnect the electrical wires to the switch.