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MULTI V Water IV System Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
UNIT NOMENCLATURE
Water Source Units
ARW
N 072 B A S
Generation
4 = Fourth*
Airflow Configuration
A = Not Applicable
Electrical Ratings
B = 208–230V/60Hz/3Phase
D = 460V/60Hz/3Phase
Nominal Capacity
(Nominal cooling capacity in Btu/h)
Type
N = Inverter Heat Pump
B = Inverter Heat Recovery
Family
ARW = Multi V Water IV Water Source Unit (Refrigerant R410A)
4
System Efficiency
S = Standard Efficiency
072 = 72,000
096 = 96,000
121 = 121,000
144 = 144,000
168 = 168,000
192 = 192,000
216 = 216,000
240 = 240,000
288 = 288,000
336 = 336,000
360 = 360,000
384 = 384,000
432 = 432,000
480 = 480,000
576 = 576,000
Heat Recovery Units (HRU)
PRHR
02 2A
Series Number
2A = Series Number
Number of Ports
02 = Two Ports
03 = Three Ports
04 = Four Ports
Family
PRHR = Multi V Heat Recovery (HR) unit (Refrigerant R410A)
*The latest versions of LG’s indoor units and water source units are designated Generation 4 (Gen 4). For Gen 4 units to
operate with Gen 4 features, the air conditioning system must meet the requirements listed on page 7.
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