Vertiv Liebert MCM080 - Page 77

System Fluid : R-410A Standard and Digital Scroll Models
Model
Equivalent
Length, in.
50 ft (15m) 100 ft (30m) 150 ft (45m) 300 ft (91m) 450ft (137m)
DA125
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
Liquid Line 7/8 7/8 7/8 7/8 7/8
DA150
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
Liquid Line 7/8
1-1/8
2
1-1/8
2
1-1/8 1-1/8
DA165
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
Liquid Line 7/8
1-1/8
2
1-1/8
2
1-1/8 1-1/8
System Fluid : R-407C Standard Scroll Models (Non-Digital Scroll)
4-Step Semi-Hermetic
orDigitalScrollModels
Model
Equivalent
Length, in.
50 ft (15m) 100 ft (30m) 150 ft (45m) 50 ft (15m) 100 ft (30m) 150 ft (45m)
DS028
Hot Gas Line 7/8 7/8 7/8 3/4 3/4 7/8
Liquid Line 1/2 5/8 5/8 1/2 5/8 5/8
DS035
Hot Gas Line 7/8 7/8 7/8 3/4 7/8 7/8
Liquid Line 1/2 5/8 5/8 1/2 5/8 5/8
DS042
Hot Gas Line 7/8 7/8 7/8 7/8 7/8
1-1/8
1
Liquid Line 1/2 5/8 5/8 5/8 5/8 5/8
DS053
Hot Gas Line 7/8 1-1/8 1-1/8 7/8
1-1/8
1
1-1/8
1
Liquid Line 5/8 7/8 7/8 7/8 7/8 7/8
DS070
Hot Gas Line 1-1/8 1-1/8 1-1/8
1-1/8
1
1-1/8
1
1-1/8
1
Liquid Line 7/8 7/8 7/8 7/8 7/8 7/8
DS077
3
Hot Gas Line 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8
Liquid Line 7/8 7/8 7/8 7/8 7/8 7/8
DS105
3
Hot Gas Line 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8 1-3/8
Liquid Line 7/8 7/8 1-1/8 7/8 7/8 7/8
Consult factory for proper line sizing for R-410A DX-only system-piping runs longer than 300 ft. (91.4m), R410A Liebert DSE system piping runs
longer than 450ft. (137m), or R407-C runs longer than 150 ft. (45.7m) equivalentlength.
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. When the vertical elevation between the indoor DA150/165 unit exceeds 25 ft., the liquid-line pipe diameter can be 7/8”.
3. Digital scroll not available on 077 and 105 models.
Table 5.7 Recommended Refrigerant Line Sizes, OD Cu (continued)
Vertiv | Liebert® MC™ Installer/User Guide | 77