Indoor
Unit
Model
Equivalent Length, ft. (m)
50 (15) 100 (30) 150 (45) 300 (91) 450 (137)
Line sizes, OD Cu, in.
PX011
Hot Gas Line 1/2
5/8
1
5/8
1
5/8
1
—
Liquid Line 3/8 1/2 1/2 1/2 —
PX018
Hot Gas Line 5/8 5/8 5/8 3/4
1
—
Liquid Line 1/2 1/2 1/2 5/8 —
PX023
Hot Gas Line 3/4 3/4 3/4 7/8
1
—
Liquid Line 5/8 5/8 5/8 5/8 —
PX029
Hot Gas Line 7/8 7/8 7/8 1-1/8
1
—
Liquid Line 5/8 5/8 5/8 3/4 —
DA050/
DA080/
DA085
Hot Gas Line 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8
2
Liquid Line 7/8 7/8 7/8 7/8 7/8
2
DA125
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
2
Liquid Line 7/8 7/8 7/8 7/8 7/8
2
DA150
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
2
Liquid Line 7/8 1-1/8 1-1/8 1-1/8 1-1/8
2
DA165
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
2
Liquid Line 7/8 1-1/8 1-1/8 1-1/8 1-1/8
2
Consult factory for proper line sizing for piping runs longer than the listed maximum equivalentlength.
1. Downsize vertical riser one trade size (1-1/8” to 7/8” or 7/8” to 3/4” or 5/8” to 1/2”).
2. Consult the factory when actual pipe length between condenser/EconoPhase and Liebert® DSE unit will exceed 300ft.(91m).
Source: DPN000788 Rev. 13
Table 5.3 Recommended Refrigerant Line Sizes for R-410A with Standard and Digital Scroll Compressors (continued)
Vertiv | Liebert® MC Installer/User Guide
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