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Part Number: 000015430 Rev 02 5/20 33
Calculated Line Set Distance
The maximum calculated distance is 150' (45.7 m).
Line set rises, drops, horizontal runs (or combinations
of these) in excess of the stated maximums will exceed
compressor start-up and design limits. This will cause poor
oil return to the compressor.
Make the following calculations to make sure the line set
layout is within specifications.
1. Insert the measured rise into the formula below.
Multiply by 1.7 to get the calculated rise.
(Example: A condenser located 10 feet above the ice
machine has a calculated rise of 17 feet.)
2. Insert the measured drop into the formula below.
Multiply by 6.6 to get the calculated drop.
(Example. A condenser located 10 feet below the ice
machine has a calculated drop of 66 feet.)
3. Insert the measured horizontal distance into the
formula below. No calculation is necessary.
4. Add together the calculated rise, calculated drop,
and horizontal distance to get the total calculated
distance. If this total exceeds 150' (45.7 m), move
the condenser to a new location and perform the
calculations again.
Maximum Line set Distance Formula
Measured Rise ____ X 1.7 = ______Calculated Rise
(35 ft. Max)
Step 1
Measured Drop ____ X 6.6 = ______Calculated Drop
(15 ft. Max.)
Step 2
Measured Horizontal Distance = _________Horizontal
(100 ft. Max.) Distance
Step 3
Total Calculated Distance = ___________Total Calculated
(150 ft. Max.) Distance
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