MAXA i-HP 0270 - REFRIGERANT DIAGRAMS

i-HP Industrial inverter air/water heat pumps with axial fans
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7.5 REFRIGERANT DIAGRAMS
7.5.1 Refrigerant diagram of the model i-HP 0125 and i-HP 0135
LP
LS
ST
i-HP 0125
i-HP 0135
Pr
HP
DT
M
SE
EEV
NRV
NRV
4WV
C
P
OUT
IN
FL FL
LRLR
PV
PV
CP
V
NRV
ST
LP
DT
HP
Pr
IN
OUT
LR
LS
EEV
FL
NRV
4WV
C
P
M
PV
V
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
V
ON/OFF VALVE WITH SOLENOID
CP
CAPILLARY
NRV
NO RETURN VALVE
PV
PRESSURE CHECK VALVE
7.5.2 Refrigerant diagram of the model i-HP 0250F
LP
LS
i-HP 0250F
Pr
HP
DT
FL
FL
M
SE
OUT
IN
4WV
EEV
NRV
NRV
LRLR
ST
PV
PV
LR
P
NRV
NRV
NRV *
V *
NRV *
CCI
CP
V
NRV
ST
LP
DT
HP
Pr
IN
OUT
LR
LS
EEV
FL
NRV
4WV
C
P
M
PV
V
CP
CI
INVERTER COMPRESSOR
C
ON/OFF COMPRESSOR
ST
COMPRESSOR INTAKE TEMPERATURE SENSOR
DT
COMPRESSOR DISCHARGE TEMPERATURE SENSOR
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