LG AR-DE12-05A, Installation And Operation Manual

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GENERAL DATA
Base Rooftop DOAS
Table 4: Base Rooftop DOAS, continued.
LG Model AR-DR35-30A AR-DR35-40A AR-DR35-50A AR-DR35-60A AR-DR35-70A
Design Airflow (CFM) 5,200 6,700 8,500 9,800 12,000
ESP (in. wg) 3 3 3 3 3
Entering Air Summer DB/WB (°F) 95/75 95/75 95/75 95/75 95/75
Entering Air Winter DB (°F) 0 0 0 0 0
Cooling Performance
Coil LAT DB/WB (°F) 54.7/54.2 54.7/54.3 54.6/54.2 54.6/54.4 54.2/53.9
Unit LAT DB/WB (°F) 80.4 77.3 75.7 73.2 72
Total Cooling Capacity (MBH) 377.7 486.1 617.9 707.3 883.5
Sensible Cooling Capacity (MBH) 230.9 297.4 377.8 435.4 538.9
Hot Gas Reheat Coil Capacity
(MBH)
144.4 163.9 193.9 196.4 231
Evaporator coil depth (rows) 6 6 6 6 6
Number of compressors 4 4 4 4 4
Compressor Type(s)
Digital Scroll /
Standard
Scroll
Digital Scroll /
Standard
Scroll
Digital Scroll /
Standard
Scroll
Digital Scroll /
Standard
Scroll
Digital Scroll /
Standard
Scroll
Heating
Fuel Natural Gas Natural Gas Natural Gas Natural Gas Natural Gas
Capacity Input (MBH) 600 600 800 800 1000
Capacity Output (MBH) 480 480 640 640 800
LAT (°F) 85.5 85.5 69.7 69.7 61.7
Turndown Type Modulating Modulating Modulating Modulating Modulating
Turndown Ratio 10:1 10:1 10:1 10:1 10:1
Fan Data
Supply Fan Quantity 3 3 3 2 3
Supply Fan Wheel Speed (RPM) 2151 2245 2360 2374 2264
Supply Fan Motor HP 2 3 3 5 5
Configuration
Outdoor Air Intake End End End End End
Supply Air Discharge Bottom Bottom Bottom Bottom Bottom
Return Air Opening Bottom Bottom Bottom Bottom Bottom
Weight (lbs) 7,028 7,379 7,837 7,973 8,304
Filtration
Hood none none none none none
Supply 2" MERV8 2" MERV8 2" MERV8 2" MERV8 2" MERV8