Daikin D-Series User Manual

Si18-525B Refrigerant Flow for Each Operation Mode
Refrigerant Circuit 103
3.4 Heating Oil Return Operation & Defrost Operation
EV
C
: Full closeEV
B
: 80 plsEV
H
: SH control
OUTDOOR UNIT
EXPANSION VALVE
(
BYPASS
)
FILTER FILTER
ELECTRONIC
EV
H
EXPANSION VALVE
(
ROOM A
)
EXPANSION VALVE
(
ROOM B
)
EXPANSION VALVE
(
ROOM C
)
ELECTRONIC
ELECTRONIC
ELECTRONIC
EV
C
EV
B
EV
A
FILTER FILTER FILTER
THERMISTOR
(
DGC
)
THERMISTOR
(
DGB
)
THERMISTOR
(
DGA
)
THERMISTOR
(
DLC
)
THERMISTOR
(
DLB
)
THERMISTOR
(
DLA
)
GAS SIDE GAS SIDE GAS SIDE
LIQUID SIDE LIQUID SIDE LIQUID SIDE
EXPANSION VALVE
(
BYPASS
)
FILTER FILTER
ELECTRONIC
EV
H
EXPANSION VALVE
(
ROOM A
)
EXPANSION VALVE
(
ROOM B
)
ELECTRONIC
ELECTRONIC
EV
A
EV
B
FILTER FILTER
THERMISTOR
(
DLA
)
THERMISTOR
(
DLB
)
THERMISTOR
(
DGA
)
THERMISTOR
(
DGB
)
GAS SIDE GAS SIDE
LIQUID SIDE LIQUID SIDE
EXPANSION VALVE
(
BYPASS
)
FILTER FILTER
ELECTRONIC
EV
H
EXPANSION VALVE
(
ROOM A
)
EXPANSION VALVE
(
ROOM B
)
ELECTRONIC ELECTRONIC
EV
A
EV
B
FILTER FILTER
THERMISTOR
(
DLA
)
THERMISTOR
(
DLB
)
THERMISTOR
(
DGA
)
THERMISTOR
(
DGB
)
GAS SIDE GAS SIDE
LIQUID SIDE LIQUID SIDE
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
M
HEAT EXCHANGER
M M
M
M M
M
BP UNIT
(Q0409)
DISCHARGE PIPE THERMISTOR
SUCTION PIPE THERMISTOR
SUBCOOLING
HEAT EXCHANGER
THERMISTOR
HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR HEAT EXCHANGER THERMISTOR
EV1
SH control → 2000 pls → 200~400 pls
EV2 Full close SVP OFF → ON SVG
ON → OFF → ON → OFF
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
: High pressure liquid refrigerant : High pressure high temp. gas refrigerant : Low pressure low temp. liquid or gas refrigerant
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
FIELD PIPING
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
FIELD PIPING
"OFF" "OFF" "OFF" "OFF"
"ON" "ON" "ON"
FIELD PIPING
SIRROCO FAN
FAN MOTOR
HEAT EXCHANGER
COMPRESSOR
HIGH PRESSURE SENSOR
SP
SP
HPS
FILTER
FILTER
SV
P
SV
G
EV
1
EV
2
LIQUID LINE
STOP VALVE GAS LINE
STOP VALVE
FILTER
FILTER
FILTER
OIL SEPARATOR
MOTOR MOTOR DC FAN DC FAN
DISTRIBUTOR
PROPELLER
M M
FAN
4-WAY VALVE
HIGH PRESSURE SWITCH
HEAT EXCHANGER THERMISTOR
OUTDOOR AIR THERMISTOR
CAPILLARY TUBE
LOW PRESSURE SENSOR
RECEIVER
HEAT EXCHANGER PIPE
ELECTRONIC EXPANSION VALVE
ELECTRONIC EXPANSION VALVE
CHECK VALVE
CHECK VALVE
CHECK VALVE
CHECK VALVE
DOUBLE PIPE
HEAT EXCHANGER
LIQUID SEAL PROTECTION
CHECK VALVE

Daikin D-Series Specifications

General

HSPF Rating	Up to 10.0
Cooling Capacity	9, 000 - 36, 000 BTU/h
Heating Capacity	9, 000 - 36, 000 BTU/h
Energy Efficiency Ratio (EER)	Up to 12.5
Sound Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Noise Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Power Supply	208/230V, 1-phase, 60Hz