LG Multi V 5

82 | HRU PRODUCT DATA
MULTI V 5 Outdoor Unit Engineering Manual
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ACCESSORIES
Combining Heat Recovery Ports for Large Indoor Units
It is necessary to combine two ports on a system designed for heat recovery operation when installing a single indoor unit with a capacity
exceeding 54,000 Btu/h. Two neighboring heat recovery ports are combined using a reverse Y-branch that is then connected to the one large
indoor unit.
Kit Model
No.
Vapor Pipe Dimensions Liquid Pipe Dimensions
Unit: Inch
ARBLN03321
16-1/4
15-3/8
I.D. 3/4
I.D. 3/4
I.D. 3/4
I.D. 1/2
I.D. 1/2
2-3/4
I.D. 5/8
I.D. 5/8
I.D. 1
I.D. 1
O.D. 1
3-3/16
4-3/8
3-5/16
2
3
3
O.D. 3/4
O.D. 3/4
12
I.D. 7/8
I.D. 7/8
I.D. 7/8
I.D. 1-1/8
1
I.D. 1/2
I.D. 1/2
I.D. 1/2
13-1/16
12-5/8
I.D. 1/4
I.D. 1/4
I.D. 3/8
I.D. 3/8
I.D. 3/8
2-15/16
Vapor Pipe
Model No.
Liquid Pipe
Model No.
AJR54072902
AJR54072906
Y-Branch