Installation, Operation and Maintenance Manual
Page
19
of
100
FLOOR MOUNTED UNITS
Model Number
Hot Gas/Discharge Line
Liquid Line
GPAU-05
1/2”
O.D.
1/2”
O.D.
GPAU-08
5/8”
O.D.
5/8”
O.D.
GPAU-10
5/8”
O.D.
5/8”
O.D.
GPAU-13
5/8”
O.D.
5/8”
O.D.
Field connections at the indoor evaporator and remote condenser or condensing unit will not necessarily be the
same as the field pipe size required. In some cases, these sizes will vary significantly.
Recommended Line Sizing for Air-Cooled Split Systems
3.3.1
Hot Gas Lines: Single Circuit Units (Up to 200 Equivalent Feet)
3.3.2
Liquid Lines: Single Circuit Units (Up to 200 Equivalent Feet)
NOTE 1: If equivalent piping length falls between two columns above, choose
the longer
NOTE 2: If hot gas line refrigerant flow is upward use, "VERTICAL UP", if it is
horizontal or downward, use "HORIZ. & VERTICAL DOWN".
