Caution – AAON F-060 User Manual
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accessories and vertical rise must be
considered when determining horizontal
length available from the total equivalent
line length.
Figure 3 is presented in terms of the liquid
line, but it assumes that the line lengths for
the suction and hot gas bypass are similar, as
these lines will commonly be routed
together to minimize the space and cost
required for split system installation.
Table 8 - Predetermined Line Sizes for F1 and CB Series Matched Systems with Two Step R-
410A Scroll Compressors
Model
Connection Sizes
Predetermined Line Size
Liquid Suction Hot
Gas
Liquid
Suction
HGRH**
CB-024
3/8 inch 3/4 inch 3/8 inch
3/8 inch
3/4 inch
3/8 inch
CB-036
3/8 inch 3/4 inch 3/8 inch
3/8 inch
3/4 inch
1/2 inch
CB-048
3/8 inch 7/8 inch 1/2 inch
1/2 inch
7/8 inch
1/2 inch
CB-060
3/8 inch 7/8 inch 1/2 inch
1/2 inch
7/8 inch
1/2 inch
** Hot Gas Reheat line
Before using this table read the
When to Use Predetermined Line
Sizes section. Do not assume that
these line sizes are appropriate for
every case. Consult ASHRAE
Handbook – Refrigeration for
generally accepted system piping
practices. The AAON Refrigerant
Piping Calculator in Ecat32 can be
used for job specific line sizing.
CAUTION