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19
7.6.3
Refrigerant diagram of the model
HPE
0250,
HPE
0260 and
HPE
0270
EEV
ELECTRONIC EXPANSION VALVE
NRV
NO RETURN VALVE
ST
COMPRESSOR INLET TEMPERATURE
LP
LOW PRESSURE TRANSDUCER
DT
COMPRESSOR OUTLET TEMPERATURE
HP
HIGH PRESSURE TRANSDUCER
Pr
HIGH PRESSURE FLOW SWITCH
IN
WATER INLET TEMPERATURE
OUT
WATER OUTLET TEMPERATURE
LR
LIQUID RECEIVER
LS
LIQUID SEPARATOR
FL
FILTER
4WV
CYCLE REVERSING VALVE
C
INVERTER COMPRESSOR
P
CIRCULATOR ON BOARD UNIT
M
AXIAL FAN
PV
PRESSURE CHECK VALVE
7.6.4
Refrigerant circuit of
HPE
50F model
EEV
ELECTRONIC EXPANSION VALVE
NRV
NO RETURN VALVE
ST
COMPRESSOR INLET TEMPERATURE
LP
LOW PRESSURE TRANSDUCER
DT
COMPRESSOR OUTLET TEMPERATURE
HP
HIGH PRESSURE TRANSDUCER
Pr
HIGH PRESSURE FLOW SWITCH
IN
WATER INLET TEMPERATURE
OUT
WATER OUTLET TEMPERATURE
LR
LIQUID RECEIVER
LS
LIQUID SEPARATOR
FL
FILTER
4WV
CYCLE REVERSING VALVE
C
INVERTER COMPRESSOR
P
CIRCULATOR ON BOARD UNIT
M
AXIAL FAN
PV
PRESSURE CHECK VALVE
CP
CAPILLARY
CI
ON-OFF COMPRESSOR TYPE
V
ON/OFF VALVE WITH SOLENOID