128
JOHNSON CONTROLS
FORM 201.21-NM4 (616)
128
JOHNSON CONTROLS
TECHNICAL DATA
PROCESSES AND INSTRUMENTATION DIAGRAM
FIG. 14 - PROCESSES AND INSTRUMENTATION DIAGRAM
LD10589a
CHILLER WATER
FLOW
SYSTEM COMPONENTS
STEPPER MOTOR VALVE
SEPARATOR
OIL
FLASH TANK
MUFFLER
OS
COMPRESSOR
COMP
FT
M
CHILLED LIQUID THERMOSTAT
DIFFERENTIAL PRESSURE CUTOUT
DISCHARGE PRESSURE FAN CONTROL
DISPLAY VALUE
HIGH PRESSURE LOAD LIMITING
HIGH TEMPERATURE CUTOUT
LOW PRESSURE CUTOUT
CHT
DP
DFP
DV
HPL
HTC
LPC
LOW TEMPERATURE CUTOUT
HIGH PRESSURE CUTOUT
HEATER
LTC
HPC
HTR
SOLENOID VALVE
BALL VALVE
RELIEF VALVE
STOP VALVE ANGLE, ACCESS
PRESSURE SENSOR
TEMPERATURE SENSOR
REPLACEABLE CORE FILTER/DRYER
SIGHT GLASS
FLOW SWITCH (optional)
PRESSURE SWITCH
ELECTRIC HEATER
PLUG
MICROPROCESSOR CONTROL FUNCTIONS
MAJOR COMPONENTS
P
T
T
P
P
T
P
S
SMV
FS
PS
HTR
SMV
SMV
DV
M
DV
CHT
LTC
HTR
S
Z
AIR
FLOW
Z
Z
DV
HTC
LTC
T
HTR
DV
LPC
CONDENSOR COIL
OIL COOLER COIL
EVAPORATOR
FS
PS
DV
HPC
HPL
DPF
FT
OS
COMP
DV
DIF
T
T