Heatcraft Refrigeration Products II - Manual (Page 13)

13
Field Wiring
WARNING: All wiring must be done in accordance with applicable codes and local ordinances.
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 the unit, double check all wiring connections, including the factory
terminals. Factory connections can vibrate loose during shipment.
1. The nameplate 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.
Figure 13. Beacon II Board
Heater
Relay
Fan
Relay
LED
Display
Room
Sensor
Defrost
Sensor
Suction
Sensor
Suction
Pressure
Expansion
Valve
Connection
Selection
Buttons
24 V.
Terminal
Block