LG AR-DR12-05A Installation And Operation Manual page 16

INSPECTION AND MAINTENANCE
This is a horizontally configured High Percentage Outdoor Air unit designed for installation either indoors or outdoors. Each unit has multiple
options for cooling and/or heating. The unit is designed to replace air that is exhausted from the building and also heat and cool, as needed.
The air volume produced by the unit is constant, but can be optionally modulated to provide a variable air volume (VAV) and recirculation is
also offered as an option.
Cooling Options
Units have the following cooling options available:
• Packaged DX
• Split DX (thermal expansion valve is field-provided)
• Chilled water coil
Units with packaged DX are shipped fully charged with refrigerant and are ready for operation upon arrival.
Heating Options
There are three different optional heat sources that can be ordered for this unit:
• Indirect gas-fired furnace with one or two sets of heat exchangers
• Electric heat with infinitely variable SCR control
• Hot water coil
Airflow Arrangement
The unit is capable of Constant Air Volume (CAV), Variable Air Volume (VAV), 100% Outdoor Air and have recirculating air options.
Safety Listing
Models are listed per ANSI/UL 1995, Heating and Cooling Equipment and are ETL Certified.
Models and Capacities
Table 5: Energy Recovery Wheel Rooftop DOAS.
Model Cooling Capacity
AR-DR12-XX
AR-DR22-XX
AR-DE12-XX
AR-DE22-XX
16
5 to 15 tons
15 to 30 tons
5 to 15 tons
15 to 30 tons
Due to our policy of continuous product innovation, some specifications may change without notification.
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