Fig. 10 - Refrigeration cycle of the EWWD I-SS Single Circuit
LEGEND
EVAPORATOR
CONDENSER
OIL SEPARATOR
COMPRESSOR
CHECK VALVE
SAFETY VALVE
SHUT-OFF VALVE
SOLENOID VALVE
EXPANSION VALVE
FLARE VALVE
SIGHT GLASS
2 WAY ANGLE VALVE
WITH
GAS CHARGE PORT
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
F12 LP
F13 HP
LOW PRESSURE TRANSDUCER (-0.5 ÷ 7 bar)
HIGH PRESSURE TRANSDUCER (0 ÷ 30 bar)
LEAVING WATER TEMPERATURE
ENTERING WATER TEMPERATURE
WH1
WOE
WL1
WIE
OIL TEMPERATURE
WD1
ST1
SUCTION TEMPERATURE
LIQUID INJECTION SOL. VALVE
Y5
OIL PRESSURE TRANDUCER
WO1
COMPRESSOR CRANKCASE HEATER
R1
PARTIAL HEAT RECOVERY
(OPTIONAL)
IN/OUT
WATER
PARTIAL
RECOVERY
23,5 bar
23,5 bar
15,5 bar
23,5 bar