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All installations and services must be performed by qualified personnel.
6
D. TUBING SIZE REFERENCE CHART
0’-50’ TOTAL LINE LENGTH
MODEL SUCTION LINE LIQUID LINE
AC14241B1 &AC14301B1 3/4” 3/8”
AC14361B1, AC14421B1, AC14481B1 &AC14601B1
AC14483B1, AC14603B1
7/8” 1/2”
50’-75’ TOTAL LINE LENGTH
MODEL SUCTION LINE LIQUID LINE
AC14241B1 &AC14301B1 7/8” 3/8”
AC14361B1, AC14421B1, AC14481B1 &AC14601B1
AC14483B1, AC14603B1
1-1/8” 1/2”
75’-100’ TOTAL LINE LENGTH
MODEL SUCTION LINE LIQUID LINE
AC14241B1, AC14301B1 &AC14361B1 1-1/8” 1/2”
AC14421B1, AC14481B1 &AC14601B1
AC14483B1, AC14603B1
1-1/8” 5/8”
NOTES:
For line lengths over 25’ adjust charge accordingly per foot of variation from chart.
.
.65 oz. per foot for 3/8” and 3/4” line set
.674 oz. per foot for 3/8” and 7/8” line set
.694 oz. per foot for 1/2” and 7/8” line set
.72 oz. per foot for 1/2” and 1-1/8” line set
.76 oz. per foot for 5/8” and 1-1/8” line set
These charges are to be used in conjunction with a superheat measurement for best performance.
1. Tubing dimensions are outside diameter.
2. Tubing Type ACR, (Type K heavy wall or Type L medium thick wall)
3. Refrigerant line lengths over 100’ are not recommended.
4. These line size recommendations are based on the use of refrigeration grade tubing and do not
include considerations for additional pressure drops due to elbows, valves, or reduced joint sizes.