MAXA i-HP 0270 - Refrigerant Diagram of the Model I-HP 0250, I-HP 0260 E I-HP 0270; Refrigerant Diagram of the Model I-HP-LT 0125

i-HP Industrial inverter air/water heat pumps with axial fans
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7.5.3 Refrigerant diagram of the model i-HP 0250, i-HP 0260 e i-HP 0270
LP
LS
i-HP 0250
Pr
HP
DT
FL
FL
M
SE
OUT
IN
4WV
EEV
NRV
NRV
ST
LP
DT
HP
Pr
IN
OUT
LR
LS
EEV
FL
NRV
4WV
C
P
M
LRLR
ST
PV
PV
PV
CP
LR
P
V
V
NRV
NRV
NRV *
V *
NRV *
CC
NRV
CP
C
INVERTER COMPRESSOR
ST
COMPRESSOR INLET TEMPERATURE
DT
COMPRESSOR OUTLET TEMPERATURE
HP
HIGH PRESSURE TRANSDUCER
Pr
HIGH PRESSURE FLOW SWITCH
LP
LOW PRESSURE TRANSDUCER
LS
LIQUID SEPARATOR
4WV
CYCLE REVERSING VALVE
LR
LIQUID RECEIVER
EEV
ELECTRONIC EXPANSION VALVE
FL
FILTER
M
AXIAL FAN
SE
OUTDOOR AIR TEMPERATURE SENSOR
P
CIRCULATOR ON BOARD UNIT
IN
WATER INLET TEMPERATURE
OUT
WATER OUTLET TEMPERATURE
CP
CAPILLARY
V
ON-OFF SOLENOID VALVE
NRV
NO RETURN VALVE
PV
PRESSURE CHECK VALVE
7.5.4 Refrigerant diagram of the model i-HP-LT 0125
C
INVERTER COMPRESSOR
ST
COMPRESSOR INLET TEMPERATURE
DT
COMPRESSOR OUTLET TEMPERATURE
HP
HIGH PRESSURE TRANSDUCER
Pr
HIGH PRESSURE FLOW SWITCH
LP
LOW PRESSURE TRANSDUCER
LS
LIQUID SEPARATOR
4WV
CYCLE REVERSING VALVE
LR
LIQUID RECEIVER
EEV
ELECTRONIC EXPANSION VALVE
FL
FILTER
M
AXIAL FAN
SE
OUTDOOR AIR TEMPERATURE
P
CIRCULATOR ON BOARD UNIT
IN
WATER INLET TEMPERATURE
OUT
WATER OUTLET TEMPERATURE
NRV
NO RETURN VALVE
INJ
INJECTION VALVE
V
ON/OFF VALVE WITH SOLENOID
PV
PRESSURE CHECK VALVE
INJT
INJECTION TEMPERATURE
INJP
INJECTION PRESSURE TRANSDUCER