Data Aire DAMA-1.5 - Electrical Wiring Guidelines and Service Requirements

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RECOMMENDED LINE SIZING for AIR COOLED SPLIT SYSTEMS
HOT GAS LINES – SINGLE CIRCUIT UNITS (Up To 200 Equivalent Feet)
Tonnage
Tons per
Circuit 50 feet 100 feet 150 feet 200 feet
1.0 1.0 5/8 5/8 5/8 7/8
1.5 1.5 5/8 5/8 7/8 7/8
2.0 2.0 5/8 7/8 7/8 7/8
2.5 2.5 5/8 7/8 7/8 7/8
LIQUID LINES – SINGLE CIRCUIT UNITS (Up to 200 Equivalent Feet)
Tonnage
Tons per
Circuit 50 feet 100 feet 150 feet 200 feet
1.0 1.0 3/8 3/8 3/8 3/8
1.5 1.5 3/8 3/8 3/8 3/8
2.0 2.0 3/8 1/2 1/2 1/2
2.5 2.5 3/8 1/2 1/2 1/2
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
1.0 1.0 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8
1.5 1.5 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8
2.0 2.0 7/8 7/8 7/8 7/8 7/8 7/8 1-1/8 7/8
2.5 2.5 7/8 7/8 7/8 7/8 7/8 7/8 1-1/8 7/8
HOR = HORIZONTAL VER = VERTICAL