Installation, Operation and Maintenance Manual - Data Aire

RECOMMENDED LINE SIZING for AIR COOLED SPLIT SYSTEMS
HOT GAS LINES – SINGLE CIRCUIT UNITS (Up To 200 Equivalent Feet)
Tonnage Tons/Circuit 50 feet 100 feet 150 feet 200 feet
2.5 2.5 5/8 7/8 7/8 7/8
3 3 7/8 7/8 7/8 7/8
4 4 7/8 7/8 7/8 1-1/8
5 5 7/8 1-1/8 1-1/8 1-1/8
LIQUID LINES – SINGLE CIRCUIT UNITS (Up to 200 Equivalent Feet)
Tonnage Tons/Circuit 50 feet 100 feet 150 feet 200 feet
2.5 2.5 3/8 1/2 1/2 1/2
3 3 1/2 1/2 1/2 1/2
4 4 1/2 5/8 5/8 5/8
5 5 1/2 5/8 5/8 5/8
SUCTION LINES – SINGLE CIRCUIT UNITS (Up to 200 Equivalent Feet)
Tonnage
Tons per
Circuit
50 feet
HOR VER
100 feet
HOR VER
150 feet
HOR VER
200 feet
HOR VER
2.5 2.5 7/8 7/8 7/8 7/8 7/8 7/8 1-1/8 7/8
3 3 7/8 7/8 1-1/8 7/8 1-1/8 7/8 1-1/8 7/8
4 4 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-1/8
5 5 1-1/8 1-1/8 1-1/8 1-1/8 1-3/8 1-1/8 1-3/8 1-1/8
HOR = HORIZONTAL
VER = VERTICAL
36