Control Center Components - LG AR-DR12-05A Installation And Operation Manual

Main Control Center
Components
High Voltage Side
1. Power distribution block; high voltage
supply is terminated here
2. Fuse holders
3. Phase monitor
4. VFDs
5. Compressor motor contactors
6. Condensing fan motor contactors
7. Wheel motor contactor
8. Transformer
9. Unit Disconnect
Low Voltage Side
10. Microprocessor controller
11. Monitoring points
12. Low voltage terminal strip
13. Relays
14. Dirty filter switch
15. Wheel pressure switch
16. Outdoor airflow monitor
17. Exhaust airflow monitor
18. Digital scroll controller
Optional Indirect Gas-Fired Furnace
In some models, two furnaces are installed to provide greater output. When two furnaces are installed, they are in parallel and both will
operate at the same time and the same output. Both furnaces will have identical controls. For further information on the optional furnace and
its control center, see the Indirect Gas-Fired Heat lOM shipped with the unit.
1. Single-stage valve
2. Modulating valve
3. PCOE expansion
board
4. Ignition controller
5. Transformer
6. Combustion blower
7. Burner manifold
8. Collector box

CONTROL CENTER COMPONENTS

Low Voltage Side
Accessed via compressor door
Due to our policy of continuous product innovation, some specifications may change without notification.
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High Voltage Side
Accessed via control center door
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