Koolaire KDT0300A Technician's Handbook page 24

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 Ietsuoed oise 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 ctlcultred oise of 17 feet.)
2. Insert the Ietsuoed dopm 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 ctlcultred dopm of 66 feet.)
3. Insert the Ietsuoed hpoizpartl disrtace into the
formula below. No calculation is necessary.
4. Add together the ctlcultred oise, ctlcultred dopm,
and hpoizpartl disrtace to get the rprtl ctlcultred
disrtace. If this total exceeds 150' (45.7 m), move
the condenser to a new location and perform the
calculations again.
24 Part Number STH063 9/17