Daikin Super Multi Plus D-Series - Heating Oil Return Operation & Defrost Operation

SiEBE18-526 Refrigerant Flow for Each Operation Mode
Refrigerant Circuit 51
3.4 Heating Oil Return Operation & Defrost Operation
EV
C
: Full closeEV
B
: 80 plsEV
H
: SH control
EV
H
EV
C
EV
B
EV
A
EV
H
EV
A
EV
B
EV
H
EV
A
EV
B
M
M M
M
M M
M
(Q0409)
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
HEAT
HEAT
EXCHANGER THERMISTOR
THERMISTOR
EV
A
: 80 pls EV
H
: SH controlEV
B
: 80 pls
EV
H
: Full closeEV
B
: 80 pls
EV
A
: SH control
EV
A
: SH control
OUTDOOR UNIT
COMPRESSOR
OUTDOOR AIR THERMISTOR
DC FAN MOTOR
PROPELLER
FAN
DC FAN MOTOR
LIQUID SEAL PROTECTION
CHECK VALVE
HEAT EXCHANGER THERMISTOR
DISCHARGE PIPE THERMISTOR
HIGH PRESSURE SWITCH
ELECTRONIC EXPANSION VALVE
DISTRIBUTOR
FILTER
CHECK VALVE
CHECK VALVE
CHECK VALVE
CHECK VALVE
ELECTRONIC EXPANSION VALVE
DOUBLE PIPE
HEAT EXCHANGER
FILTER
HEAT EXCHANGER PIPE
FILTER
SUBCOOLING
HEAT EXCHANGER
THERMISTOR
: High pressure liquid refrigerant : High pressure high temp. gas refrigerant : Low pressure low temp. liquid or gas refrigerant
EV1
SH control → 2000 pls → 200~400 pls
EV2 Full close SVP OFF → ON SVG
ON → OFF → ON → OFF
BP UNIT
ELECTRONIC
EXPANSION VALVE(BYPASS)
ELECTRONIC
EXPANSION VALVE(ROOM A)
ELECTRONIC
EXPANSION VALVE(ROOM B)
FILTER
FILTER FILTER
GAS SIDE
THERMISTOR(DGA)
GAS SIDE
THERMISTOR(DGB)
LIQUID SIDE
THERMISTOR(DLB)
LIQUID SIDE
THERMISTOR(DLA)
FILTER
ELECTRONIC
EXPANSION VALVE(ROOM A)
ELECTRONIC
EXPANSION VALVE(ROOM B)
FILTER FILTER
FILTER FILTER
GAS SIDE
THERMISTOR(DGA)
GAS SIDE
THERMISTOR(DGB)
ELECTRONIC
EXPANSION VALVE(BYPASS)
LIQUID SIDE
THERMISTOR(DLB)
LIQUID SIDE
THERMISTOR(DLA)
ELECTRONIC
EXPANSION VALVE(BYPASS)
FILTER
FILTER FILTER FILTER
ELECTRONIC
EXPANSION VALVE(ROOM A)
ELECTRONIC
EXPANSION VALVE(ROOM B)
ELECTRONIC
EXPANSION VALVE(ROOM C)
FILTER
GAS SIDE
THERMISTOR(DGA)
GAS SIDE
THERMISTOR(DGB)
GAS SIDE
THERMISTOR(DGC)
LIQUID SIDE
THERMISTOR(DLA)
LIQUID SIDE
THERMISTOR(DLB)
LIQUID SIDE
THERMISTOR(DLC)
"ON"
"OFF" "OFF"
FIELD PIPING
FIELD PIPING
FIELD PIPING FIELD PIPING FIELD PIPING FIELD PIPING
SIRROCO FAN
FAN MOTOR
SIRROCO FAN
FAN MOTOR
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER
HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR
"OFF"
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
HEAT EXCHANGER THERMISTOR
FIELD PIPING
"ON" "ON"
"OFF"
FIELD PIPING
FIELD PIPING
FIELD PIPING FIELD PIPING FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
SIRROCO FAN
FAN MOTOR
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER
HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR
SP
SP
HPS
SVP
SVG
EV1
EV2
M M
RECEIVER
FILTER
4-WAY VALVE
HIGH PRESSURE SENSOR
FILTER
GAS LINE STOP VALVE
LIQUID LINE STOP VALVE
OIL SEPARATOR
CAPILLARY TUBE
SUCTION PIPE THERMISTOR
LOW PRESSURE SENSOR