Installation Procedure

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Freon Evaporator - Wiring during installation

The field wiring should enter the areas as provided on the unit. The wiring diagram for each unit is located on the inside of the electrical panel door. All field wiring should be done in a professional manner and in accordance with all governing codes. Before operating unit, double check all wiring connections, including the factory terminals. Factory connections can vibrate loose during shipment.

  1. The serial data tag on the unit is marked with the electrical characteristic for wiring the unit.
  2. Consult the wiring diagram in the unit cooler and in the condensing unit for proper connections.
  3. Wire type should be of copper conductor only and of the proper size to handle the connected load.
  4. The unit must be grounded.
  5. For multiple evaporator systems, the defrost termination controls should be wired in series. Follow the wiring diagrams for multiple evaporator systems carefully. This will assure complete defrost of all evaporators in the system.
  6. Multiple evaporator systems should operate of one thermostat.
  7. If a remote defrost timer is to be used, the timer should be located outside the refrigerated space.