Fig. 7 - Refrigeration cycle of the EWWQ B-SS / EWWQ B-XS Mono Fr4 unit
F12-22 LP
LOW PRESSURE SWITCH
F13-23 HP
HIGH PRESSURE SWITCH
WH1-2
HIGH PRESSURE TRANSDUCER (0 ÷ 45 bar)
WL1-2
LOW PRESSURE TRANSDUCER (0 ÷ 30 bar)
WD1-2
OIL TEMPERATURE
WOE
LEAVING WATER TEMPERATURE
WIE
ENTERING WATER TEMPERATURE
ST1-2
SUCTION TEMPERATURE
Y5
EX8
ELECTRONIC
EXP. VALVE
WATER
OUTLET
ST1
WATER
EVAPORATOR
INLET
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WL1