56 CLCH-SVX03C-EN
Coil Piping and Connections
For stacked coils, see typical configuration in Figure 53.
Refrigerant Coil Piping
Note: Refer to the “Responsible Refrigerant Practices!” section on page 2 for information on
handling refrigerants.
Use Figure 54 to determine the proper, relative sequence of the components in the refrigerant lines
that connect the condensing unit to an evaporator coil. Refer to “Examples of Field-Installed
Evaporator Piping” on page 60 for more detailed schematics of evaporator piping.
See SS-APG002-EN Application Guide: Tube Size and Component Selection for TTA and TWA Split
Systems and SS-APG001-EN Application Guide: Tube Size and Component Selection for RAUC
Split Systems for more information.
Figure 53. Typical piping for Type 5A, 5W two-row, K, W 3- to 12-row, WE, D and DD stacked
water coils
Pitch down
AV
AV
AV
Water
supply main
Water
return main
GV
Drain
Air flow
GV
MV
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