Cincinnati Sub-Zero ZP Series - Page 101

SYSTEM DIAGRAMS
REFRIGERATION SCHEMATIC SYMBOLS
Figure 9-2: Symbols used on Refrigeration Diagrams
HIGH-PRESSURE GAUGE FILTER DRIER
LOW-PRESSURE GAUGE
SIGHT GLASS
BALL VALVE WITH SERVICE ACCESS VALVE
PRESSURE RELIEF VALVE
PRESSURE SWITCH (HIGH, LOW, ETC..)
REFRIGERATION SERVICE ACCESS VALVE
CAPILLARY TUBE EXPANSION DEVICE
SOLENOID VALVE
FAN AND MOTOR ASSEMBLY
DOWNSTREAM PRESSURE REGULATING
VALVE
(HOT GAS BYPASS)
RECEIVER
VERTICAL LIQUID REFRIGERANT
UPSTREAM PRESSURE REGULATING VALVE
(HIGH-PRESSURE DUMP VALVE,
EVAPORATOR PRESSURE REGULATOR)
CHECK VALVE
OIL SEPARATOR