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Replacement Parts

Model

Auto drain replacement parts no. 

Note 5)

IDFA3E

AD38

IDFA4E IDFA6E

AD48

IDFA8E IDFA11E IDFA15E

Standard Specifications

Refrigerated
air dryer

Auto drain

JIS Symbol

Note 1)  Air flow capacity under the standard condition (ANR) [atmospheric pressure at 20°C, relative humidity at 65%] 
Note 2)  Air flow capacity converted by the compressor intake condition [atmospheric pressure at 32°C] 
Note 3)  Select air dryer according to the model selection method (page 2) for the models beyond the rated specifications.
Note 4)  Install a circuit breaker with a sensitivity of 30 mA.
Note 5)  When a short-term interruption of the power supply (including momentary interruption) occurs in this equipment, the 

restarting of normal operations may require some time or may be impossible due to the operation of protective devices even 
after the supply of power returns.

Note 6) The part number for the auto drain components without including the body part. 
 

Body part replacement is impossible.

Auto drain

Body

IDFA3E

Construction (Air/Refrigerant Circuit)

Humid, hot air coming into 
the air dryer will be cooled 
down by a cooler re-heater 
(heat exchanger). Water 
condensed at this time will 
be removed from the air by 
auto drain and drained out 
automatically. Air 
separated from the water 
will be heated by a cooler 
re-heater (heat exchanger) 
to obtain the dried air, 
which goes through to the 
outlet side. 

Capillary tube

Compressor for 
refrigeration

Pressure switch

Drain separator

Drain outlet

Compressed air inlet

Compressed air outlet

Evaporation thermometer

Re-heater

Volume 
control valve

Cooler

Fan motor

Condenser

IDFA4E, IDFA6E
IDFA8E, IDFA11E, IDFA15E

Drain outlet

Evaporation 
thermometer

Drain separator

Heat exchanger

Capillary tube

Pressure switch

Volume control valve

Compressor for 
refrigeration

Condenser

Fan motor

Float type

(Normally closed)

Float type

(Normally open)

Air flow 
capacity
m

3

/h

Outlet air pressure dew point

Outlet air pressure dew point

Outlet air pressure dew point

Outlet air pressure dew point

Outlet air pressure dew point

Outlet air pressure dew point

(3°C)

(7°C)

(10°C)

(3°C)

(7°C)

(10°C)

Model

Specifications

IDFA3E

180

1.2

208

1.4

385

2.7

470

3.0

Standard 
condition 
(ANR)

Com-
pressor 
intake 
condition 

24

31

34

25

32

35

IDFA4E

36

46

50

37

48

52

IDFA6E

65

83

91

68

86

95

IDFA8E

  80

101

112

  83

105

116

IDFA11E

120

152

168

125

158

175

IDFA15E

5

10

Body panel: White 1
Base: Gray 2

Standard temperature air inlet

0.7

35

25

Single-phase: 230 VAC [Voltage fluctuation ±10%] 50 Hz

Compressed air

    5 to 50

0.15 to 1.0

2 to 40 (Relative humidity of 85% or less)

Inlet air pressure

Inlet air temperature

Ambient temperature
Power supply voltage

Power consumption

Operating current

Fluid

Inlet air temperature

Inlet air pressure

Ambient temperature (Humidity)

Applicable circuit breaker capacity

 

Note 4)

Condenser

Refrigerant

Auto drain

Port size

Accessory

Weight

Coating colour

(MPa)

(°C)

(°C)

(W)

(A)

(A)

(kg)

(°C)

(MPa)

(°C)

Air-cooled

Hexagon nipple

R134a (HFC)

Rc 3/8

Rc 1/2

18

22

23

27

28

46

Rc 3/4

Rc 1

12

15

17

13

16

18

Operating range

Electric

Rated specifications 

Note 3)

 

Note 1)

 

Note 2)

Compressed 
air outlet

Compressed 
air inlet

Refrigerated Air Dryer  

Series 

IDFA

E

4

Summary of Contents for IDFA E Series

Page 1: ...10 C R134a HFC R407C HFC Refrigerant 35 C 0 7 MPa Rated inlet condition Rc 3 8 Rc 1 2 Rc 3 4 Rc 1 R 1 R 11 2 R 2 Port size Power supply voltage Single phase 230 VAC 50 Hz Series IDFA E R134a HFC R407...

Page 2: ...C IDFA6E to 37E IDFA E 23 K IDFA4E to 75E IDFA E 23 L IDFA4E to 75E IDFA E 23 R IDFA4E to 75E IDFA E 23 T IDFA4E to 75E IDFA E 23 V 4 Data Condensed Water Calculation Dew Point Conversion Chart P 12 5...

Page 3: ...Selection Example Read the correction factor Obtain the correction factor A to D suitable for your operating condition using the table below The corrected air flow capacity which considers the user s...

Page 4: ...g combination cannot be achieved Combination of K L and V cannot be achieved because an auto drain can only be attached to a single option Note 3 Refer to page 9 for further details on optional specif...

Page 5: ...n outlet Compressed air inlet Compressed air outlet Evaporation thermometer Re heater Volume control valve Cooler Fan motor Condenser IDFA4E IDFA6E IDFA8E IDFA11E IDFA15E Drain outlet Evaporation ther...

Page 6: ...7 31 41 125 42 54 304 283 355 396 33 80 87 36 15 154 240 284 21 80 101 330 275 300 380 314 15 13 15 16 B C D E F G K L M N P Q 4 x 13 A C N M L P K F G D Inlet Outlet E B Q IDFA4E to 11E 4 x 13 A C N...

Page 7: ...ever the following combination cannot be achieved Combination of K L and V cannot be achieved because an auto drain can only be attached to a single option Note 3 Refer to page 9 for further details o...

Page 8: ...to obtain the dried air which goes through to the outlet side Pressure switch Compressed air inlet Compressed air outlet Auto drain Drain outlet Accumulator IDFA22E 37E 55E only Condenser Capillary tu...

Page 9: ...0 775 855 623 134 405 698 93 13 25 85 600 680 340 B C D E F G K L M N P Q Dimensions Model IDFA55E IDFA75E Port size mm R 2 A 470 855 800 900 128 273 868 968 110 13 500 75 700 526 110 B C D E F G K L...

Page 10: ...sions same as standard products K IDFA6E to 37E With heavy duty auto drain Applicable to 1 6 MPa Option symbol The float type auto drain used in the standard air dryer is replaced with a heavy duty au...

Page 11: ...This saves additional electrical wiring at the time of installation IDFA4E to 15E IDFA22E to 75E IDFA4E 6E 8E 11E IDFA15E Model 32 43 230 258 97 102 34 82 15 E D C B A Model Voltage 30 mA 230 V type B...

Page 12: ...F AB500 Applicable dryer Nominal thread size Material M10 Stainless steel 4 Pcs of 1 set mm IDFA4E to 75E Dimensions mm Mounting hole diameter 10 5 Optional Accessories Features Applicable dryer IDFA3...

Page 13: ...Port size D E B A C Compressed air outlet Compressed air inlet Port size D E mm mm Dimensions Dimensions Bypass piping set IDFA22E 37E IDFA55E 75E D B A C Compressed air outlet Port size Compressed ai...

Page 14: ...he amount of water which is included in the compressed air 1 m3 at 0 7 MPa pressure dew point of 25 C The amount of water is 3 0 g m3 10 Therefore the amount of condensed water is as following per 1 m...

Page 15: ...e the air dryer with an ambient temperature lower than 40 C Avoid installation on machines for transporting such as trucks ships etc Installation Caution The air exhaust should not flow into the neigh...

Page 16: ...ilation area once a month using a vacuum cleaner or an air blow nozzle Cleaning of Ventilation Area Caution Allow at least three minutes before restarting the dryer If the air dryer is restarted withi...

Page 17: ...the product is to be used in any of the following conditions 1 Conditions and environments outside of the given specifications or use outdoors or in a place exposed to direct sunlight 2 Installation o...

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