D
–EIMWC00408-16EN - 34/60
Fig.20 - Refrigeration cycle of the EWWD I-SS Trial Circuits
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
IN/OUT
WATER
PARTIAL
RECOVERY
PARTIAL HEAT RECOVERY
(OPTIONAL)
IN/OUT
WATER
PARTIAL
RECOVERY
WL1
ST1
15.5 BAR
WO1
PARTIAL HEAT RECOVERY
(OPTIONAL)
IN/OUT
WATER
PARTIAL
RECOVERY
23,5 bar
23,5 bar
23,5 bar
23,5 bar
23,5 bar
23,5 bar
15,5 bar
15,5 bar
23,5 bar
23,5 bar
15,5 bar
23,5 bar