Product Overview; Heating; Airflow Arrangement; Safety Listing - LG GEN2 Series Installation And Operation Manual

Product Overview

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
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

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

Model
AR-DR02
AR-DR12
AR-DR22
AR-DR32
AR-DR35
AR-DE12
AR-DE22
AR-DE32
AR-DE35
Cooling Capacity
3to 7 tons
5 to 15 tons
15 to 30 tons
25 to 50 tons
30 to 70 tons
5 to 15 tons
15 to 30 tons
25 to 50 tons
30 to 70 tons