76 | HRU PRODUCT DATA
MULTI V 5 Outdoor Unit Engineering Manual
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Model PRHR022A PRHR032A PRHR042A
Number of Ports
234
Max. Connectable No. of Indoor Units
16 24 32
Max. Connectable No. of Indoor Units on each port
888
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 can only be used with LG systems piped for heat recovery operation.
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GENERAL DATA
Figure 19: Two-Port Heat Recovery Unit. Figure 20: Three-Port Heat Recovery Unit.
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 17: Heat Recovery Unit Electrical Data.
Figure 21: Four-Port Heat Recovery Unit.
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