Heat Recovery Units; Due To Our Policy Of Continuous Product Innovation, Some Specifications May Change Without Notification - LG ARUM072BTE5 Installation Manual

INSTALLING FOR HEAT RECOVERY
OPERATION

Heat Recovery Units

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.
Two-Port Heat Recovery Unit.
Table 35: Heat Recovery Unit Specifications.
Model
Number of Ports
Max. Connectible No. of Indoor Units
Max. Connectible No. of Indoor Units on each port
Max. Port Capacity (each port)
Max. Unit Capacity (sum of ports)
Net Weight
Dimensions (W x H x D)
Casing
To Indoor Units
Connecting Pipes
To Outdoor Units
Insulation Material
Minimum Circuit Amps (MCA)
Current
Maximum Fuse Amps (MFA)
Power Supply
Table 36: Heat Recovery Unit Electrical Data.
Unit Model No.
PRHR022A
PRHR032A
PRHR042A
74
Three-Port Heat Recovery Unit.
Btu/h
Btu/h
lbs.
inches
Liquid Pipe (inches)
Vapor Pipe (inches)
Liquid (inches)
Low-pressure Vapor (inches)
High-pressure Vapor (inches)
V / Hz / Ph
208-230 / 60 / 1
208-230 / 60 / 1
208-230 / 60 / 1

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.
Four-Port Heat Recovery Unit.
PRHR022A PRHR032A
2 3
16 24
8 8
54,000 54,000
192,000 192,000
40 45
17-7/8 x 8-5/8 x 18-15/16
Galvanized steel plate
3/8
5/8
3/8 1/2
7/8 1-1/8
3/4 7/8
Polyethylene
0.1 0.15
15
1Ø, 208-230V, 60Hz
Input (kW)
Cooling
0.026
0.033
0.040
PRHR042A
4
32
8
54,000
192,000
49
5/8
1-1/8
7/8
0.2
Heating
0.026
0.033
0.040