Atlas Copco FX 13 Instruction Book
Atlas Copco FX 13 Instruction Book

Atlas Copco FX 13 Instruction Book

Refrigerant compressed air dryers

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Atlas Copco
Refrigerant compressed air dryers
FX 13, FX 14, FX 15, FX 16
Instruction book

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June 6, 2025

How many pounds of refrigerant is needed for the FX 15 (ER)

Summary of Contents for Atlas Copco FX 13

  • Page 1 Atlas Copco Refrigerant compressed air dryers FX 13, FX 14, FX 15, FX 16 Instruction book...
  • Page 3 Atlas Copco Refrigerant compressed air dryers FX 13, FX 14, FX 15, FX 16 From following serial No. onwards: CAI822926 Instruction book Original instructions Copyright notice Any unauthorized use or copying of the contents or any part thereof is prohibited.
  • Page 4: Table Of Contents

    Instruction book Table of contents Safety precautions......................4 ........................... 4 AFETY ICONS ......................4 AFETY PRECAUTIONS GENERAL ................... 5 AFETY PRECAUTIONS DURING INSTALLATION ....................6 AFETY PRECAUTIONS DURING OPERATION ................7 AFETY PRECAUTIONS DURING MAINTENANCE OR REPAIR General description......................9 ...........................9 NTRODUCTION ............................
  • Page 5 Instruction book Maintenance instructions.................... 26 Device settings......................27 Problem solving......................28 Technical data.......................30 .................... 30 EFERENCE CONDITIONS AND LIMITATIONS ..........................30 IR DRYER DATA Pressure equipment directives................... 32 Declaration of conformity.................... 33 2920 7112 50...
  • Page 6: Safety Precautions

    Instruction book Safety precautions Safety icons Explanation Danger to life Warning Important note Safety precautions, general General precautions All responsibility for any damage or injury resulting from neglecting these precautions, or non-observance of the normal caution and care required for installation, operation, maintenance and repair, even if not expressly stated, will be disclaimed by the manufacturer.
  • Page 7: Safety Precautions During Installation

    Instruction book Safety precautions during installation Precautions during installation 1. The dryer must only be lifted using suitable equipment and in accordance with the applicable safety regulations. Loose or pivoting parts must be securely fastened before lifting. It is strictly forbidden to dwell or stay in the risk zone under a lifted load.
  • Page 8: Safety Precautions During Operation

    Instruction book Also consult following safety precautions: Safety precautions during operation Safety precautions during maintenance or repair. These precautions apply to machinery processing or consuming air or inert gas. Processing of any other gas requires additional safety precautions typical to the application which are not included herein.
  • Page 9: Safety Precautions During Maintenance Or Repair

    Instruction book Also consult following safety precautions: Safety precautions during installation Safety precautions during maintenance or repair. These precautions apply to machinery processing or consuming air or inert gas. Processing of any other gas requires additional safety precautions typical to the application which are not included herein.
  • Page 10 Instruction book flush abundantly with fresh water over the clothing until all refrigerant is flushed away; then seek medical first aid. 21. The following safety precautions are stressed when handling desiccant: • Take precautions not to inhale desiccant dust. • Check that the working area is adequately ventilated; if required, use breathing protection. •...
  • Page 11: General Description

    General description Introduction General views FX 13 up to FX 16 Introduction The FX air dryers remove moisture from compressed air by cooling the air to near freezing point. This causes water to condense. The condensate is automatically drained. The air is warmed up before leaving the dryer.
  • Page 12: Air System

    Instruction book Air system Air flow diagram Reference Name Evaporator Condensate separator Impurity trap Heat exchanger Digital dewpoint indicator Condensate drain Description Compressed air enters heat exchanger (10) and is cooled by the outgoing, cold, dried air. Water in the incoming air starts to condense.
  • Page 13: Refrigeration System

    Instruction book Refrigeration system Refrigerant flow diagram Reference Name Refrigerant compressor Condenser Evaporator Expansion capillary tube Refrigerant filter Liquid separator Description Compressor (1) delivers hot, high-pressure refrigerant gas which flows through condenser (2) where most of the refrigerant condenses. The liquid flows through the refrigerant dryer/filter (8) to capillary tube (7). The refrigerant leaves the capillary tube at evaporating pressure.
  • Page 14: Automatic Regulation System

    Instruction book Automatic regulation system Reference Name Cooling fan Hot gas bypass valve Maximum pressure switch Fan control switch Description The condenser pressure must be kept as constant as possible to obtain stable operation. Fan control switch therefore stops and starts the cooling fan (3). If, under partial or no load, the evaporator pressure drops below a certain level, the hot gas bypass valve opens and hot, high-pressure gas is fed to the evaporator circuit to prevent the evaporator pressure from dropping any further.
  • Page 15: Installation

    Dimension drawings The dimension drawings can be found on the CD-ROM, delivered with the dryer. Dimension drawing Model 2202 8134 00 FX 13 up to FX 16 Text on drawings Translation or explanation Electric cable outlet Outlet for electric cable...
  • Page 16 Instruction book Example of compressor/dryer room Installation proposal for FX 13 up to FX 16 Reference Description Install the refrigerant air dryer on a level floor, suitable for its weight. The recommended minimum distance between the top of the unit and the ceiling is 1.5 m (58.5 in).
  • Page 17: Pictographs

    Instruction book Pictographs Pictographs Reference Name Warning, under tension Warning, air not fit for breathing Warning, high pressure Warning, rotating fan Warning, hot surface Switch off the voltage and depressurize the dryer before maintenance or repair 2920 7112 50...
  • Page 18: Operating Instructions

    The operator must apply all relevant safety precautions, including those mentioned in this manual. Altitude operation Consult your supplier if operating above 3000 m (9843 ft). Control panel Description FX 13 up to FX 16 Reference Name Digital controller, used for: 1. pressure dewpoint indication (main function) 2.
  • Page 19: Digital Controller

    Instruction book Digital controller Identification Front panel of the controller Reference Name Alarm icon Refrigerant compressor icon Fan icon PDP (dewpoint) temperature Unit (°C or °F) Alarm LED Button to snooze or to reset the alarm (only for remote alarm function). SET button UP button DOWN button...
  • Page 20 Refer to the table below to identify the availability of the function and refer to the related picture to identify the physical location of the free contact. Availability of the remote alarm function Model Fault message availability FX 13 to FX 16 2920 7112 50...
  • Page 21 If the problem persists, replace the controller. Maintenance required Perform the maintenance and reset the alarm. Fault messages on FX 13 to FX 16 with remote alarm function Flashing fault message Description Remedy Dewpoint temperature probe failure Replace the probe.
  • Page 22 Instruction book Flashing fault message Description Remedy Pressure dewpoint too high. Refer to the fault and remedies section. Pressure dewpoint too low. Refer to the fault and remedies section. Refrigerant compressor discharge Refer to the fault and remedies temperature too high; refrigerant section.
  • Page 23 Instruction book 4. Push and release the UP button (9). 5. Message “rS” appears on display. 6. Push and release the SET button (8). 7. Message “n” appears on display. 8. Push and release the UP button (9). 9. Message “y” appears on display. 10.
  • Page 24 9. Then “rS” is fixed and “°C” blinks on display for ~10 seconds. The new service interval is now set. Freeze protection function (available with Remote Alarm function on FX 13 to FX 16) Once the digital controller detects a dewpoint temperature below -2°C during more than 2 minutes, (L2 Alarm), it switches off the refrigerant compressor.
  • Page 25: Starting

    To keep the compressed air net free of condensate, start the dryer before starting the compressor and stop the compressor before stopping the dryer. Procedure FX 13 up to FX 16 Step Action If installed, close the dryer by-pass valve. See Installation proposal.
  • Page 26: During Operation

    Instruction book During operation Procedure FX 13 up to FX 16 Regularly check: • The pressure dewpoint on the digital controller (1). The pressure dewpoint will deviate from nominal if the air inlet conditions or volume flow differ from nominal.
  • Page 27 Instruction book Procedure FX 13 up to FX 16 Step Action Close the dryer inlet and outlet valve (customer’s installation). Press dryer on/off switch (2), the dryer stops. If provided, open the dryer by-pass valve. 2920 7112 50...
  • Page 28: Maintenance Instructions

    Instruction book Maintenance instructions Safety precautions Before starting any maintenance or repair work, close the air inlet and outlet valve and switch off the voltage. When removing the side panels of the dryer, be aware that internal elements such as the pipes can be hot. Therefore, wait until the dryer has cooled down before removing the side panels.
  • Page 29: Device Settings

    Instruction book Device settings Regulating and safety devices The regulating and safety devices are factory-adjusted to obtain optimum performance of the dryer. Do not alter the setting of any of the devices. 2920 7112 50...
  • Page 30: Problem Solving

    Instruction book Problem solving Condensate drain and air inlet and outlet valves FX 13 up to FX 16 Reference Name Inlet and outlet valves Condensate drain Dryer on/ off switch Isolating switch Attention Use only authorised parts. Any damage or malfunction caused by the use of unauthorised parts is not covered by Warranty or Product Liability.
  • Page 31 Instruction book Condition Fault Remedy Ambient temperature too high Check and correct; if necessary, draw cooling air via a duct from a cooler place or relocate the dryer Air inlet pressure too low Increase inlet pressure Adjust the pressure switch Dryer capacity exceeded Reduce air flow Shortage of refrigerant...
  • Page 32: Technical Data

    °C Maximum ambient temperature °F Maximum compressed air inlet temperature °C Maximum compressed air inlet temperature °F Air dryer data FX 13 up to FX 16 Air dryer type Unit FX 13 FX 14 FX 15 FX 16 FX 13...
  • Page 33 Instruction book Air dryer type Unit FX 13 FX 14 FX 15 FX 16 FX 13 FX 14 FX 15 FX 16 Electric power 1986 2553 3176 4108 2705 3586 4154 5337 input Electric power 2.66 3.42 4.26 5.51 3.63 4.81...
  • Page 34: Pressure Equipment Directives

    Instruction book Pressure equipment directives Components subject to Pressure Equipment Directive All pressure bearing components are designed category I or less according to European Directive 97/23/EC (until 19/07/2016) or Directive 2014/68/EU (from 20/07/2016 onwards). 2920 7112 50...
  • Page 35: Declaration Of Conformity

    Instruction book Declaration of conformity Typical example of a Declaration of Conformity document (1): Contact address: Atlas Copco Airpower n.v. P.O. Box 100 B-2610 Wilrijk (Antwerp) Belgium (2): Applicable directives (3): Standards used 2920 7112 50...
  • Page 36 Instruction book On the Declaration of Conformity / Declaration by the Manufacturer, the harmonized and/or other standards that have been used for the design are shown and/or referred to. The Declaration of Conformity / Declaration by the Manufacturer is part of the documentation that is supplied with this device.
  • Page 38 Atlas Copco delivers the products and services that help to increase your business’ efficiency and profitability. Atlas Copco's pursuit of innovation never ceases, driven by our need for reliability and efficiency. Always working with you, we are committed to providing you the customized quality air solution that is the driving force behind your business.

This manual is also suitable for:

Fx 14Fx 15Fx 16

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