Atlas Copco ZR 200 Instruction Book page 98

Drawing reference
AC
AC (ER)
IC
OC
RC
Keep the coolers clean to ensure cooling efficiency.
96
Coolers of water-cooled Full-Feature compressors
Description
Aftercooler
Extra aftercooler in case of the energy recovery option
Intercooler
Oil cooler
Regeneration cooler (only on Full-Feature compressors)
Instruction book
AIF999999