LG ARUM072DTE5 - Heat Recovery Units; Due to Our Policy of Continuous Product Innovation, some Specifications May Change Without Notification

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MULTI V 5 Outdoor Unit Installation Manual
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
INSTALLING FOR HEAT RECOVERY
OPERATION
Heat Recovery Units
Model PRHR022A PRHR032A PRHR042A
Number of Ports 2 3 4
Max. Connectible No. of Indoor Units 16 24 32
Max. Connectible No. of Indoor Units on each port 8 8 8
Max. Port Capacity (each port) Btu/h 54,000 54,000 54,000
Max. Unit Capacity (sum of ports) Btu/h 192,000 192,000 192,000
Net Weight lbs. 40 45 49
Dimensions (W x H x D) inches 17-7/8 x 8-5/8 x 18-15/16
Casing Galvanized steel plate
Connecting Pipes
To Indoor Units
Liquid Pipe (inches) 3/8
Vapor Pipe (inches) 5/8
To Outdoor Units
Liquid (inches) 3/8 1/2 5/8
Low-pressure Vapor (inches) 7/8 1-1/8 1-1/8
High-pressure Vapor (inches) 3/4 7/8 7/8
Insulation Material Polyethylene
Current
Minimum Circuit Amps (MCA) 0.1 0.15 0.2
Maximum Fuse Amps (MFA) 15
Power Supply 1Ø, 208-230V, 60Hz
Heat recovery units are REQUIRED for systems that are designed for heat recovery operation. Heat recovery units can ONLY be used with LG
systems designed for heat recovery operation that include liquid, low pressure vapor, and high pressure vapor refrigerant pipes.
Table 35: Heat Recovery Unit Specications.
Unit Model No. V / Hz / Ph
Input (kW)
Cooling Heating
PRHR022A 208-230 / 60 / 1 0.026 0.026
PRHR032A 208-230 / 60 / 1 0.033 0.033
PRHR042A 208-230 / 60 / 1 0.040 0.040
Table 36: Heat Recovery Unit Electrical Data.
Two-Port Heat Recovery Unit. Three-Port Heat Recovery Unit. Four-Port Heat Recovery Unit.