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SMC Networks IDFA100F-40-F Series Operation Manual

Refrigerated air dryer
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DOC1108321-1
Original Instructions
PRODUCT NAME
Refrigerated Air Dryer
MODEL / Series / Product Number
[Low GWP Refrigerant Air Dryer]
IDFA100F-40-*F* , IDFA125F-40-*F*
IDFA150F-40-*F*
This manual is intended to explain the installation and operation of the product. Only
those who have thorough understanding of the fundamental operating procedure or have
basic knowledge and skills of handling industrial products are qualified to perform
installation and operation.
Please read this manual prior of using the air dryer.
Keep the manual readily available for reference.

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  • Page 1 DOC1108321-1 Original Instructions PRODUCT NAME Refrigerated Air Dryer MODEL / Series / Product Number [Low GWP Refrigerant Air Dryer] IDFA100F-40-*F* , IDFA125F-40-*F* IDFA150F-40-*F* This manual is intended to explain the installation and operation of the product. Only those who have thorough understanding of the fundamental operating procedure or have basic knowledge and skills of handling industrial products are qualified to perform installation and operation.
  • Page 2 Foreword Thank you for purchasing SMC’s refrigerated air dryer (hereinafter referred to as the “product”). For safety and long life of the product, be sure to read this Operation Manual (hereinafter referred to as the “manual”) and clearly understand the contents. ●...

  • Page 3: Table Of Contents

    DOC1108321 Contents Contents Chapter 1 Safety Instructions ............1-1 Before Using Air Dryer.................... 1-1 1.1.1 Danger, Warning and Caution ....................1-1 Hazard classifications/ Hazard Warning Labels ............ 1-2 1.2.1 Hazard of Electricity ........................1-2 1.2.2 Hazard of Hot Surface ......................1-2 1.2.3 Hazard of Rotating Fan Motor ....................
  • Page 4 DOC1108321 Contents 5.2.1 Clean the dustproof filter of the ventilation grille ............... 5-2 5.2.2 Auto drain maintenance ......................5-2 Chapter 6 Troubleshooting ............... 6-1 Troubleshooting ....................... 6-1 Reset the Thermal relay and High Pressure Switch ..........6-3 Chapter 7 Documents ............... 7-1 Specifications ......................

  • Page 5: Chapter 1 Safety Instructions

    DOC1108321 Chapter 1 Safety Instructions Chapter 1 Safety Instructions Before using the product, be sure to read and understand all the important actions highlighted in this manual. 1.1 Before Using Air Dryer. ⚫ This chapter is intended to specifically describe the safety related issues for handling the product. Read this before handling the product.

  • Page 6: Hazard Classifications/ Hazard Warning Labels

    DOC1108321 Chapter 1 Safety Instructions Hazard classifications/ Hazard Warning Labels To ensure the safety of the operators, potential hazards are classified and marked with warning labels. Confirm the potential hazards and positions of the labels before operation. WARNING - Transportation, installation, and maintenance involve risks and should only be carried out by people who have sufficient knowledge and experience about the product and its incidental device.

  • Page 7: Location Of Hazard Warning Labels

    DOC1108321 Chapter 1 Safety Instructions 1.2.6 Location of Hazard Warning labels WARNING - Read with caution and pay attention to the notations of hazard warning label. - Do not remove or modify hazard warning label. - Confirm the positions of hazard warning label. - The customer cannot change the position of the hazard warning label.

  • Page 8: Cautions About Usage

    DOC1108321 Chapter 1 Safety Instructions ■IDFA100~150F-40-F WARNING 警告 1 Remove panels for maintenance only. 2 Never insert anything into product to ensure safety. 3 Cut power prior to maintenance to prevent electric shock. 4 Settle product to room temp.before main- tenance toprevent burn or frostbite.

  • Page 9: Product Label

    DOC1108321 Chapter 1 Safety Instructions 1.2.8 Product label ● Refrigerant type and amount ● Product number (SERIAL No.) Detail of the serial number D S 0001 (MAY.01.2025) 0001 Year Symbol Note Month Symbol Note Serial No. 2025 Repeated from A to Z Repeated from o to 2026 in alphabetical order...

  • Page 10: Safety Measures

    DOC1108321 Chapter 1 Safety Instructions Safety Measures 1.3.1 Safety Precautions While this system is protected by various safety measures including the safety interlocks, the following basic safety precautions should be observed to assure further safe operations. WARNING - Follow the following instructions upon operation of this system. - Failure to follow the instructions can lead to personal injury or hazardous accidents.

  • Page 11: Protective Equipment

    DOC1108321 Chapter 1 Safety Instructions 1.3.2 Protective Equipment This manual defines protective equipment according to work type. Wear proper protective equipment as shown below, according to work type. WARNING - Read and understand the relevant operation manual thoroughly prior to use of protective equipment.

  • Page 12: Waste Disposal

    DOC1108321 Chapter 1 Safety Instructions Waste Disposal This product contains flammable refrigerant and refrigeration oil. Please read and fully understand the following precautions before collecting the product. If you have any questions, please contact your dealer. WARNING Only service personnel or those who are qualified are allowed to open the panel of this system. Do not dispose of the compressor oil as domestic garbage.

  • Page 13: Limited Warranty And Disclaimer/ Compliance Requirements

    DOC1108321 Chapter 1 Safety Instructions 1.5 Limited Warranty and Disclaimer/ Compliance Requirements The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance Requirements”. Read and accept them before using the product. Limited Warranty and Disclaimer 1. The warranty period of the product is 1 year in service or 1.5 years after the product is delivered.
  • Page 14 DOC1108321 Chapter 1 Safety Instructions Limited Warranty and Disclaimer/ Compliance Requirements IDFA100F/125F/150F Series 1-10...

  • Page 15: Chapter 2 Name And Function Of Parts

    DOC1108321 Chapter 2 Name and Function of Parts Chapter 2 Name and Function of Parts 2.1 Name and function of parts Air outlet piping A port to exhaust air. Part A Air inlet piping A port to supply air. Ventilation air inlet A suction port of the air cooled by the condenser with a standard equipment...
  • Page 16 DOC1108321 Chapter 2 Name and Function of Parts Part B Ventilation air outlet A port to discharge the air cooled by the condenser. Do not block vents. Drain tube outlet Changes the direction to take out the drain tube. ●Enlarged view of part B Rear Ball valve Test button...
  • Page 17 DOC1108321 Chapter 2 Name and Function of Parts Layout of parts on front panel Controller Thermal relay Refer to 4.7 for checking operation. Refer to 6.2 for reset. With front panel removed (IDFA100F, 125F) Ground fault circuit interrupter (Option: R) High pressure switch It is turned off at the time of shipment.
  • Page 18 DOC1108321 Chapter 2 Name and Function of Parts Layout of parts on front panel Thermal relay Refer to 6.2 for reset. Controller Refer to 4.7 for checking operation. igh pressure switch Refer to 6.2 for reset. With front panel removed (IDFA150F) Ground fault circuit interrupter (Option: R)

  • Page 19: Chapter 3 Transportation And Installation

    DOC1108321 Chapter 3 Transportation and installation Chapter 3 Transportation and installation WARNING Use the product in an appropriate manner, and pay attention to safety, particularly physical safety of operators, during the installation, operation, maintenance and checks of the product. CAUTION - Tranportation, installation, and maintenance including dangerous work must be done by personnel who have require knowledge and experience about the product and system.

  • Page 20: Installation

    DOC1108321 Chapter 3 Transportation and installation Installation 3.2.1 Environment Do not use in the following environments, as it may lead to a breakdown. Potential malfunction or damage to the product may occur if these instructions are disregarded. - Avoid locations where the air dryer will be in direct contact with wind or rain. (Avoid locations where relative humidity is 85% or more) - Avoid locations where water, water vapor, salt water, or oil may splash on the product.

  • Page 21: Fixing Of Product

    DOC1108321 Chapter 3 Transportation and installation 3.2.2 Fixing of product - Mount the product on a flat and stable floor with no vibrations. - When installing the product, please ensure there is sufficient space for maintenance. If there is not enough space for maintenance, the product may not perform as expected or may break down.

  • Page 22: Air Piping

    DOC1108321 Chapter 3 Transportation and installation 3.2.3 Air piping ⚫ Connection of the inlet and outlet of compressed air should be made removable by using union and so on. ⚫ When an air fitting is connected with the body of the product, hold the pneumatic piping at the body with a pipe wrench and tighten.

  • Page 23: Drain Tube

    DOC1108321 Chapter 3 Transportation and installation 3.2.4 Drain tube - A drain tube of 10mm O.D. is included as an accessory. The outlet end of the tube is released to atmosphere and lets the drain flow through the tube. (When customers prepare the drain tube, keep its length at 5m or less and the I.D. at 6.5mm or larger for correct operation of the auto drain) - Using the pressure of the compressed air, the drain will be discharged periodically.

  • Page 24: Draining Piping For Condensed Water

    DOC1108321 Chapter 3 Transportation and installation 3.2.5 Draining piping for condensed water When the product is used in a environment with high humidity, condensation may be generated internally. The condensed water can be drained from the right side of the base of the product. Let condensate flow into a water outlet or install a drain pan, etc.

  • Page 25: Electric Wiring

    DOC1108321 Chapter 3 Transportation and installation 3.2.6 Electric wiring WARNING - Only qualified personnel should do electrical wiring work. - Cut off the power supply for safety before the wiring. Wiring with the product energized is strictly prohibited. - Use a power supply suitable for the specifications of the product. - Supply power from a stable place, which is free from the effects of any surge.
  • Page 26 DOC1108321 Chapter 3 Transportation and installation [A. Power supply cables wiring procedure] 1. Remove the front panel of the product. When lifting the front panel, be sure to hold the handle. 2. Pass the power supply cable through by using the cable fixture at the right bottom base of the product, and connect it to the terminal block.

  • Page 27: Cautions About Reinstallation

    DOC1108321 Chapter 3 Transportation and installation [Remote control]  Voltage is applied to the terminal block. Be sure to turn off the switch with lamp before wiring. 1) Disconnect the wires from no. 5 and 6 of the terminal block and mount the external switch. - The external switch used for remote control should be an alternate type (no voltage dry contact).
  • Page 28 DOC1108321 Chapter 3 Transportation and installation Removal of pneumatic piping ● WARNING - Only qualified personnel should do the wiring work. - Separate the compressed air source from the product for safety before removing the piping. - Do not remove any piping when there is remaining compressed air pressure inside of it. Remove the seal tape completely after detaching the piping.

  • Page 29: Chapter 4 Operation/ Shutdown

    DOC1108321 Chapter 4 Operation/ Shutdown Chapter 4 Operation/ Shutdown CAUTION - Only someone who has enough knowledge and experience about the product and incidental devices should operate or shut down the product. 4.1 Check points before operation Before trial operation, check following points. Installation state ⚫...

  • Page 30: Stop

    DOC1108321 Chapter 4 Operation/ Shutdown Stop 1) Turn off the switch with lamp. 2) The lamp turns off and operation stops. Cautions for re-start Allow at least 3 minutes before restarting the product. If the product is restarted within 3 minutes after being stopped, the protection circuit will be activated, and the dryer will not start.

  • Page 31: Display Of Controller

    DOC1108321 Chapter 4 Operation/ Shutdown 4.7 Display of controller - Check the controller of the product to find out the condition of the protective equipment. CAUTION - Beware of electrical shock when the front panel of the product is removed.Do not touch the terminals.

  • Page 32: Signal Output

    DOC1108321 Chapter 4 Operation/ Shutdown Signal output - The operation signal and error signal are output with dry contact. Signal output - At start: Closed - At stop: Open 1. START signal (Including FAULT error): Open - Protective equipment in operation: Closed 2.

  • Page 33: Chapter 5 Checks And Maintenance

    DOC1108321 Chapter 5 Checks and Maintenance Chapter 5 Checks and Maintenance WARNING - Only people who have sufficient knowledge and experience about the product and its incidental devices are allowed to perform maintenance. - Before maintenance, read and understand the important cautionary notifications in this operation manual.

  • Page 34: Regular Maintenance

    DOC1108321 Chapter 5 Checks and Maintenance Regular maintenance 5.2.1 Clean the dustproof filter of the ventilation grille Vacuum or air-blow the filter every month to remove dust and particles of the ventilation grille. CAUTION - Wear protective goggles or mask during air blow. 5.2.2 Auto drain maintenance DANGER - Do not remove the auto drain with the air pressure remaining internally.
  • Page 35 DOC1108321 Chapter 5 Checks and Maintenance As a preventive maintenance, press the flush button of the heavy-duty auto drain regularly to clean the discharge valve (for flushing). If operation failure occurs due to heavy dirt after the flushing, disassemble the auto drain and clean inside.
  • Page 36 DOC1108321 Chapter 5 Checks and Maintenance 【Disassembly and cleaning of auto drain】 CAUTION - Do not use liquids other than neutral detergent for cleaning.Also, never disassemble the draining mechanism. In the worst case, it will be impossible to reuse it. - Tighten the bolts without a gap between the body and housing.If they are forcibly tightened with the gap remaining, the parts can be damaged.
  • Page 37 DOC1108321 Chapter 5 Checks and Maintenance After reassembly is completed, open the valve at the inlet of condensate slowly, and check there is no leakage before using.  If operation failure occurs even after disassembly and cleaning, replace the whole draining mechanism.
  • Page 38 DOC1108321 Chapter 5 Checks and Maintenance Regular maintenance IDFA100F/125F/150F Series...

  • Page 39: Chapter 6 Troubleshooting

    DOC1108321 Chapter 6 Troubleshooting Chapter 6 Troubleshooting 6.1 Troubleshooting If any error is found in the product, investigate the following points. If the error cannot be solved, turn off the power supply and contact your local supplier or SMC sales representative. Trouble Possible cause Remedy...
  • Page 40 DOC1108321 Chapter 6 Troubleshooting Trouble Possible cause Remedy The evaporation The product is installed in an - Improve ventilation condition and reduce the thermometer inappropriate location. ambient temperature as much as possible. over the green Ambient temperature is excessive. area without hot The ventilation port is obstructed - Keep the product 600mm or more away from the air coming from...

  • Page 41: Reset The Thermal Relay And High Pressure Switch

    DOC1108321 Chapter 6 Troubleshooting 6.2 Reset the Thermal relay and High Pressure Switch When the lamp goes off and the compressor for refrigeration stops during operation, the thermal relay or high pressure switch is activated to protect the compressor for refrigeration. It is necessary to reset it manually.
  • Page 42 DOC1108321 Chapter 6 Troubleshooting Reset the Thermal relay and High Pressure Switch IDFA100F/125F/150F Series...

  • Page 43: Chapter 7 Documents

    DOC1108321 Chapter 7 Documents Chapter 7 Documents 7.1 Specifications IDFA100F IDFA125F IDFA150F Models -40-F -40-F -40-F Specification Fluid Compressed air Inlet air temperature 5 to 60 Inlet air pressure 0.15 to 1.0 (Note 6) Ambient temperature (Humidity) 2 to 45 (Relative humidity 85 % or less) Air flow capacity Standard condition 1100 1340...

  • Page 44: Refrigerant And Gwp Value

    DOC1108321 Chapter 7 Documents Note 1: ANR indicates the following set of conditions: a temperature of 20°C, atmospheric pressure, and a relative humidity of 65%. Note 2: Air flow capacity converted by the compressor intake condition [32°C, atmospheric pressure, and 75% relative humidity].

  • Page 45: Dimensions

    DOC1108321 Chapter 7 Documents 7.3 Dimensions [IDFA100F-40-F] IDFA100/125/150 Series 7.3 Dimensions...
  • Page 46 DOC1108321 Chapter 7 Documents [IDFA125F-40-F] Dimensions IDFA100F/125F/150F Series...
  • Page 47 DOC1108321 Chapter 7 Documents [IDFA150F-40-F] IDFA100/125/150 Series 7.3 Dimensions...

  • Page 48: Electric Wiring Diagram

    DOC1108321 Chapter 7 Documents Electric wiring diagram [IDFA100F/125F-40-F] For Option R GFCI L1 L2 　 Running COM0 Error COM3 Remote control PRS2 PRS3 PRS1 COM1 THS1 THS2 For Option V Electric wiring diagram IDFA100F/125F/150F Series...
  • Page 49 DOC1108321 Chapter 7 Documents [IDFA150F-40-F] Symbol Description Refrigerating compressor For Option R Overload relay MC1,2 Magnetic contactor GFCI Thermal relay L1 L2 THS1,2,3 Thermostat for Fan motor TB1,2,3 Terminal block Transformer FM1,2,3 Fan motor Switch with lamp Phase reversal relay PRS1 Pressure switch PRS2...

  • Page 50: Air / Refrigerant Circuit

    DOC1108321 Chapter 7 Documents Air / Refrigerant Circuit Fan motor Condenser Compressed air outlet Press.switch High Press.switch Filter dryer Second reheater Low press.switch Refrigerating compressor Capacity control valve Capillary tube Compressed air inlet Evaporation thermometer Cooler reheater Ball valve Auto drain Drain Air circuit The humid hot air that enters the air dryer first goes into the reheater, and exchanges its...

  • Page 51: Consumable Parts And Regular Maintenance Parts

    DOC1108321 Chapter 7 Documents 7.6 Consumable parts and regular maintenance parts (Note: “Qty./pc.” is the quantity used per product.) ● Consumable parts (condition to be checked regularly and replaced) Check the following parts regularly, and replace based on the referential timing. Part number Description Qty./pc.
  • Page 52 DOC1108321 Chapter 7 Documents Consumable parts and regular maintenance parts IDFA100F/125F/150F Series 7-10...

  • Page 53: Chapter 8 Option C

    DOC1108321 Chapter 8 Option C Chapter 8 Option C 8.1 Specifications Special epoxy resin is coated on the copper tube surface to improve the corrosion resistance. The special epoxy resin is only applied where the copper tubes are not protected or insulated. 8.2 Precautions for installation and handling 1) The epoxy resin minimizes the corrosion of the coated copper tubes against corrosive gas.
  • Page 54 DOC1108321 Chapter 8 Option C Precautions for installation and handling IDFA100F/125F/150F Series...

  • Page 55: Chapter 9 Option G

    DOC1108321 Chapter 9 Option G Chapter 9 Option G 9.1 Specifications Outside panel has Chinese name plate and Chinese operation manual IDFA100/125/150 Series 9.1 Specifications...
  • Page 56 DOC1108321 Chapter 9 Option G Specifications IDFA100F/125F/150F Series...

  • Page 57: Chapter 10 Option K

    DOC1108321 Chapter 10 Option K Chapter 10 Option K Option K (For IDFA100F-F): Maximum working pressure can be used at 1.6 MPa. Change the internal drain piping from nylon tube to metal. IDFA100/125/150 Series 9.1 Specifications 10-1...
  • Page 58 DOC1108321 Chapter 10 Option K Specifications IDFA100F/125F/150F Series 10-2...

  • Page 59: Chapter 11 Option R

    DOC1108321 Chapter 11 Option R Chapter 11 Option R Option R is equipped with an earth leakage breaker (GFCI). This is to shut off the power supply when over current or leakage current is applied to the air dryer. 11.1 Safety instructions for use Refer to the instructions below when handling the product.

  • Page 60: Connection Of Power Supply

    DOC1108321 Chapter 11 Option R 11.3 Connection of power supply Connect the power cable according to the procedure below. 1) Remove the front panels. 2) The cable is routed through the cable bushing to the ground-fault breaker. M5.0 Screw tightening torque : 2.5±0.5N･m Do not touch any equipment other than the terminal block during wiring.

  • Page 61: Reset Of Ground Fault Circuit Interrupter

    DOC1108321 Chapter 11 Option R 11.4 Reset of ground fault circuit interrupter When the ground fault circuit interrupter is triggered, all lamps will go off. Eliminate the cause that triggered the ground fault circuit interrupter (ground fault, over current, etc.). The ground fault display button (white) has popped up →Ground fault The ground fault display button (white) remains pressed→Over current Ground fault display button (white)
  • Page 62 DOC1108321 Chapter 11 Option R Reset of ground fault circuit interrupter 11.4 IDFA100F/125F/150F Series 11-4...

  • Page 63: Chapter 12 Option V

    DOC1108321 Chapter 12 Option V Chapter 12 Option V Option V is a dryer with a timer controlled solenoid valve type auto drain. The timer is adjusted by customer according to the operating conditions. 12.1 Safety instructions for use Refer to the instructions below when handling the product. WARNING - Before replacing the auto drain on the compressed air side confirm that the pressure gauge indicates zero ”.

  • Page 64: Maintenance

    DOC1108321 Chapter 12 Option V 12.3 Maintenance As a preventive maintenance, clean the built-in strainer regularly. [Cleaning of built-in strainer] Do not turn off the STOP switch. (Electricity is used.) Fully open the valve for pneumatic piping. The bypass valve needs to be opened during this work when the compressed air is necessary. 1.

  • Page 65: Chapter 13 Inspection Record

    DOC1108321 Chapter 13 Inspection record Chapter 13 Inspection record 13.1 Inspection record We recommend keeping the inspection record for maintenance or service. Product No. Description Contents of check Date IDFA100/125/150 Series 13.1 Inspection record 13-1...
  • Page 66 DOC1108321 Chapter 13 Inspection record Inspection record 13.1 IDFA100F/125F/150F Series 13-2...
  • Page 67 DOC1108321 Chapter 13 Inspection record IDFA100/125/150 Series 13.1 Inspection record 13-3...
  • Page 68 Revision history Rev.1: Apr.2025 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © SMC Corporation All Rights Reserved...

This manual is also suitable for:

Idfa125f-40-f seriesIdfa150f-40-f series

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