AEC ACOA Series Air-Cooled Central Chillers - Manual (Page 33)

Figure 16
Three Circuit ACOA Refrigerant Piping Schematic
SC OUT
SC IN
MUFFLER 2
COMP 2
EVAPORATOR
IN
WATER WATER
OUT
DRIER
FILTER
VALVES
ANGLE
SC IN
SC OUT
COND
COMP 1
LH LH
COND
RH
COND
RH
COND
CIRC 1
CIRC 3
REGULATOR
HOT GAS ANGLE
VALVE VALVE
SOLENOID
SIGHT
GLASS
VALVE
VALVE
ANGLE
VALVE
MUFFLER 1
COMP 3
MUFFLER 3
CIRC 1
CIRC 2
CIRC 3
RELIEF
VALVE
RELIEF
VALVE
HG HG HG HG
SCHRADER
VALVE
CIRC 2
SC IN
SC OUT
TXV'S
3 FANS 6 FANS
Figure 17
Four Circuit ACOA Refrigerant Piping Schematic
HOT GAS
REGULATOR
EVAPORATOR
WATER
IN
CIRC 4
CIRC 2
WATER
OUT
CIRC 2
CIRC 4
COMP 2
VALVE
SCHRADER
COMP 1
COMP 3
CIRC 1
VALVE
ANGLE
MUFFLER 1
MUFFLER 2
SOLENOID
VALVE
CIRC 1
MUFFLER 3
GLASS
SIGHT
VALVE
VALVE
TXV'S
SC OUT
SC IN
COND COND
VALVE
ANGLE
SC IN
SC OUT
COND
SC OUT
SC IN
COND
HG
LH
HG
LH
HG
RH
HG
RH
FILTER
DRIER
ANGLE
VALVES
SC IN
SC OUT
CIRC 3 CIRC 3
MUFFLER 4
COMP 4
RELIEF
VALVE
RELIEF
VALVE
Page 32
ACOA Series Air-Cooled Central Chillers