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CD 350+, CD 425+, CD 500+, CD 700+, CD 850+, CD 1100+, CD 1250+,CD 1400+
CD 400, CD 480, CD 575, CD 800, CD 950, CD 1200, CD 1450, CD 1600
Instruction book

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  • Page 1 CD 350+, CD 425+, CD 500+, CD 700+, CD 850+, CD 1100+, CD 1250+,CD 1400+ CD 400, CD 480, CD 575, CD 800, CD 950, CD 1200, CD 1450, CD 1600 Instruction book...
  • Page 3 Instruction Book Atlas Copco CD 350+, CD 425+, CD 500+, CD 700+ CD 850+, CD 1100+, CD 1400+ CD 400 CD 480 CD 575 CD 800 CD 950 CD 1200 CD 1450 CD 1600 Instruction book Original instructions Copyright Notice Any unauthorized use or copying of the contents or any part thereof is prohibited.
  • Page 4 Instruction Book 9829 2115 69...
  • Page 5: Table Of Contents

    Instruction Book Table of Contents Safety Precautions ..................5 ........................5 AFETY ICONS ..................... 5 AFETY PRECAUTIONS GENERAL ................6 AFETY PRECAUTIONS DURING INSTALLATION ................7 AFETY PRECAUTIONS DURING OPERATION ............9 AFETY PRECAUTIONS DURING MAINTENANCE OR REPAIR General Description ..................10 ........................
  • Page 6 Instruction Book ..........................89 IPING ....................... 89 LECTRICAL WIRING ........................90 ICTOGRAPHS Operating Instructions................90 ........................90 NITIAL START ..........................91 TART ......................92 URING OPERATION ..........................92 TOPPING Maintenance ....................92 ........................92 AINTENANCE ........................93 ERVICE KITS ......................94 ERVICE AGREEMENTS ........................
  • Page 7: Safety Precautions

    Instruction Book 1 Safety Precautions 1.1 Safety Icons Explanation Danger for life Warning Important note 1.2 Safety Precautions, General General precautions 1. The dryers are designed for normal indoor use. 2. The operator must employ safe working practices and observe all related work safety requirements and regulations.
  • Page 8: Safety Precautions During Installation

    Instruction Book Safety Precautions During Installation 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. Precautions during installation 1.
  • Page 9: Safety Precautions During Operation

    Instruction Book atmospheric pressure must be protected by a pressure-relieving device or devices as required. 14. Piping or other parts with a temperature in excess of 176°F (80°C) and which may be accidentally touched by personnel in normal operation must be guarded or insulated. Other high-temperature piping must be clearly marked.
  • Page 10 Instruction Book notice shall be affixed to the remote start equipment. 4. Never operate the machine when there is a possibility of taking in flammable or toxic fumes, vapors or particles as indicated on the principal data sheet. 5. Never operate the machine below or in excess of its limit ratings. 6.
  • Page 11: Safety Precautions During Maintenance Or Repair

    Instruction Book 1.5 Safety Precautions During Maintenance or Repair Precautions during maintenance or repair 1. Always use the correct safety equipment (such as safety glasses, gloves, safety shoes, etc.). 2. Use only the correct tools for maintenance and repair work. 3.
  • Page 12: General Description

    Instruction Book 2 General Description 2.1 Introduction General description The dryers are built to remove moisture from compressed air for industrial purposes. All units are designed for indoor use. Reference Name Tower A Air inlet Air outlet Tower B Non-return vales DD/DP Inlet filter, DD, or PD (optional, not shown) Outlet filter, PDp (optional, not shown)
  • Page 13 • The pressure status in the dryer vessels is not correct. ( Elektronikon only) Automatic restart after voltage failure For dryers leaving the factory, this function is made inactive. If desired, the function can be activated. Consult Atlas Copco 9829 2115 69...
  • Page 14: Air Circuit

    Instruction Book 2.2 Air circuit Flow diagram CD 350+, CD 425+, CD 400 and CD 480 9829 2115 69...
  • Page 15 Instruction Book CD 500+, CD 850+, CD 700 +, CD 1100+, CD 1250+, CD 1400, + CD 575, CD 800, CD 950, CD 1200, CD 1450 and CD 1600 Text on figures Reference: Description Water Drain Vent line Mechanical link Signal air Signal electric Enclosure...
  • Page 16 Instruction Book Reference: Description (11) Vessel A (12) Vessel B (13) Optional, Z orGA (14) Sonic nozzle, optional (15) Dryer (16) Air net (17) Outlet (18) Pressure regulation, optional (19) Optional, GA (20) Optional, Z orGA (21) Inlet (22) Compressor Description Wet compressed air enters the system and flows to the bottom of one of the towers (A or B) via valve (V1) or (V2).
  • Page 17: Regeneration Circuit

    Instruction Book 2.3 Regeneration Circuit Flow Diagram CD 350+, CD 425+, CD 400 and CD 480 9829 2115 69...
  • Page 18 Instruction Book CD 500+, CD 850+,CD 700+, CD 1100+, CD 1250+, CD 1400+, CD 575, CD 800, CD 950, CD 1200, CD 1450 and CD 1600 Description The wet desiccant beads are dried in the regeneration stage. The tower is depressurized via blow-off valve (V3orV4).
  • Page 19: Shifting Towers

    Instruction Book 2.4 Shifting Towers Flow diagram CD 350+, CD 425+, CD 400 and CD 480 9829 2115 69...
  • Page 20 Instruction Book CD 500+, CD 850+,CD 700+, CD 1100+, CD 1400+, CD 575, CD 800, CD 950, CD 1200, CD 1450 and CD 1600 Description The operation cycle of the dryers is repetitive and is controlled by the Elektronikon or Timer card regulator and a PDP-sensor.
  • Page 21: Operating Cycles

    For working applications below 65.3 psig (4.5 bar(e)) special provisions are to be taken on the dryer selection (Consult Atlas Copco). For working applications below 65.3 psig (4.5 bar(e)) special provisions are to be taken on the dryer selection (Consult Atlas Copco).
  • Page 22: Elektronikon Graphic Controller

    The regulator has a built-in function to automatically restart the dryer if the voltage is restored after voltage failure. For dryers leaving the factory, this function is not activated. If desired, the function can be activated. Consult Atlas Copco If activated and provided the regulator was in the automatic operation mode, the dryer will automatically restart if the supply voltage to the module is restored within a programmed time period.
  • Page 23: Control Panel

    Instruction Book 3.2 Control Panel Elektronikon regulator Parts and functions Reference Designation Function Display Shows the dryer operating condition and a number of icons to navigate through the menu. Pictograph Automatic operation Pictograph General alarm General alarm LED Flashes if a shut-down warning condition exists. Pictograph Service Service LED...
  • Page 24: Main Screen

    Instruction Book Service Icons Name Icon Description When the dryer is stopped the icon stands still. When Stopped / Running the dryer is running, the icon is rotating Machine Control Local Stop/Start Remote Start/Stop Network Control Automatic restart after voltage failure Automatic restart after voltage failure is active Week Timer is active Week Timer...
  • Page 25 Instruction Book Control Panel Scroll keys Enter key Escape key Function The Main screen shows the status of the dryer operation and is the gateway to all functions implemented in the controller. The Main screen is shown automatically when the voltage is switched on and one of the keys is pushed.
  • Page 26: Calling Up Menus

    Instruction Book B, the Dryer Pressure Dewpoint, the Dryer Inlet temperature). Section B shows Status icons. Following icon types are shown in this field: • Fixed icons These icons are always shown in the main screen (e.g. Dryer stopped or running, Dryer status).
  • Page 27 Instruction Book Scroll keys Enter key Escape key Description When the voltage is switched on, the main screen is shown automatically (see section Main screen): • To go to the Menu screen, highlight the Menu button (2), using the Scroll keys. •...
  • Page 28: Inputs Menu

    Instruction Book Use the Scroll keys to select an icon. Press the Enter key (2) to open the menu or press the Escape key (3) to return to the Main screen. 3.6 Inputs Menu Control panel Scroll keys Enter key Escape key Menu icon Items Function...
  • Page 29 Instruction Book appears: • Press the Enter key. A screen similar to the one below appears: Inputs Pressure vessel A Pressure vessel B Blower pressure Inlet dryer The screen shows the first items of a list of all inputs with their corresponding icons and readings. Use the scroll button to see the other items in the list.
  • Page 30: Outputs Menu

    Instruction Book Outputs Menu Control Panel Scroll keys Enter key Escape key Menu icon, Outputs Function To call up information regarding the actual status of some outputs such as the Dryer motor, PDP alarm, General shut-down, etc. Procedure Starting from the Main screen (see Main screen), 9829 2115 69...
  • Page 31 Instruction Book • Move the cursor to the action button Menu and press the Enter key. Following screen appears: Move the cursor to the Outputs icon using the Scroll keys. • Press the Enter key. A screen similar to the one below appears: •...
  • Page 32: Counters

    Instruction Book The screen shows the first items of a list of all outputs with their corresponding icons and readings. Use the scroll button to see the other items in the list. If an output is in warning or shutdown, the original icon is replaced by the warning or shutdown icon respectively.
  • Page 33 Instruction Book Procedure Starting from the Main screen (see Main screen), • Move the cursor to the action button Menu and press the Enter key. Following screen appears: • Using the Scroll keys, move the cursor to the Counters icon (see above, section Menu icon) •...
  • Page 34 Instruction Book Running hours: counts the operation hours of the dryer. Loaded hours: the same as running hours, but shows to which time interval the energy counters refer to, this counter is also reset when the energy counters are reset. Actual state time: shows how long the dryer's current state has been active.
  • Page 35: Event History Menu

    Instruction Book Control panel Scroll keys Enter key Escape key Menu icon, Event History Function To call up the last shut-down and last emergency stop data. Procedure Starting from the Main screen (see Main screen), • Move the cursor to the action button Menu and press the Enter key. Following screen appears: 9829 2115 69...
  • Page 36 Instruction Book Using the Scroll keys, move the cursor to the Event History icon (see above, section Menu icon). The list of last shut-down and emergency stop cases is shown. Scroll through the items to select the desired shut-down or emergency stop event. Press the Enter key to find the date, time and other data reflecting the status of the dryer when that shut down or emergency stop occurred.
  • Page 37: Test Menu

    Instruction Book 3.10 Test Menu Control panel Menu icon, Test Function To depressurize the vessels and to test the output contacts • The vessels can only be depressurized when the dryer is stopped (off state) • The test procedure will be stopped as soon as another menu is selected on the regulator.
  • Page 38 Instruction Book Using the scroll keys (1), move the cursor to the test icon (see above, section Menu icon) Press the enter key (2); following screen appears: Text on figure Test Depressurize vessels Output test • A red selection bar is covering the item Depressurize vessels; press the enter key to depressurize vessels or use the scroll key to select the item Output test.
  • Page 39: Service Menu

    Instruction Book 3.11 Service Menu Control panel Menu icon, Service Function To reset the service plans which are carried out. To check when the next service plans are to be carried out. To find out which service plans were carried out in the past. To modify the programmed service intervals.
  • Page 40 Instruction Book Using the Scroll keys, move the cursor to the Service icon (see above, section Menu icon). Press the Enter key. Following screen appears: Service Overview Service plan Next service History 9829 2115 69...
  • Page 41 Instruction Book Overview Overview Running Hours (green) Real Time hours (blue) Example for service level (A): The figures at the left are the programmed service intervals. For Service interval A, the programmed number of running hours is 4000 hours (upper row, green) and the programmed number of real time hours is 4380 hours, which corresponds to six months (second row, blue).
  • Page 42 Instruction Book From the Service menu above, select Service plan (3) and press Enter. Following screen appears: Service plan Level Running hours Real time Next Service Next service Level Running hours Actual In the example above, the A Service level is programmed at 4000 running hours, of which 8 hours have passed.
  • Page 43: Protections Menu

    Instruction Book History The History screen shows a list of all service actions done in the past, sorted by date. The date at the top is the most recent service action. To see the details of a completed service action (e.g. Service level, Running hours or Real time hours), use the Scroll keys to select the desired action and press the Enter key.
  • Page 44 Instruction Book Using the scroll keys (1), move the cursor to the protections icon (see above, section Menu icon) Press the enter key (2). Following screen appears • The screen shows a list of all shut-down and shut-down warning settings and the actual reading.
  • Page 45: Week Timer Menu

    Instruction Book 3.13 Week Timer Menu Control panel Scroll keys Enter key Escape key Menu icon, Week timer Function To program time-based start/stop commands for the dryer. To program time-based change-over commands for the net pressure band. Four different week schemes can be programmed. A week cycle can be programmed;...
  • Page 46 Instruction Book Press the Enter key on the controller. Following screen appears: Week Timer Week Action Schemes Week Cycle Status Week1 Remaining Running Time The first item in this list is highlighted in red. Select the item requested and press the Enter key on the controller to modify.
  • Page 47 Instruction Book Week Timer Week Action Schemes Week Cycle Status Week1 Remaining Running Time The first item in this list is highlighted in red. Select the item requested and press the Enter key on the controller to modify. Programming week schemes Select Week action schemes and press Enter.
  • Page 48 Instruction Book Week Action Scheme 1 Monday Tuesday Wednesday Thursday Friday Saturday Sunday A new window opens. The Modify action button is selected. Press the enter button on the controller to create an action Monday Modify A new pop-up window opens. Select an action from this list by using the Scroll keys on the controller.
  • Page 49 Instruction Book A new window opens. The action is now visible in the first day of the week. Monday Start Save Modify To adjust the time, use the Scroll keys on the controller and press the Enter key to confirm. Monday Start Save...
  • Page 50 Instruction Book A pop-up window opens. Use the | or J, key of Scroll keys to modify the values of the hours. Use the or —> Scroll keys to modify the minutes Monday Time Save Modify • Press the Escape key on the controller. The action button Modify is selected. Use the Scroll keys to select the action Save.
  • Page 51 Instruction Book A new pop-up window opens. Use the Scroll keys on the controller to select the correct actions. Press the Enter key to confirm. Monday Are you sure? Save Modify Press the Escape key to leave this window. The action is shown below the day the action is planned. Week Action Scheme 1 Monday - Start Tuesday...
  • Page 52 Instruction Book Programming the week cycle A week cycle is a sequence of 10 weeks. For each week in the cycle, one of the four programmed week schemes can be chosen. • Select Week Cycle from the main Week Timer menu list. Week Timer Week Action Schemes Week Cycle...
  • Page 53 Instruction Book Press the Enter key twice on the controller to modify the first week. • A new window opens. Select the action, example: Week Action Scheme 1 Week Cycle Week1 Week Action Scheme 1 Week Action Scheme 2 Week Action Scheme 3 Modify Check the status of the Week Timer Use the Escape key on the controller to go back to the main Week Timer menu.
  • Page 54 Instruction Book A new window opens. Select Week 1 to set the Week Timer active. Week Timer Week Week Timer Inactive Week1 Press the Escape key on the controller to leave this window. The status shows that week 1 is active.
  • Page 55 Instruction Book Press the Escape key on the controller to go to the main Week Timer menu. Select Remaining Running Time from the list and press the Enter key on the controller to Modify. Week Timer Week Action Schemes Week Cycle Status Remaining Running Time This timer is used when the week timer is set and for certain reasons the dryer must continue...
  • Page 56: Info Menu

    Move the cursor to the action button Menu and press the Enter key. Following screen appears Using the Scroll keys, move the cursor to the Info icon (see above, section Menu icon). Press the Enter key. The Atlas Copco internet address appears on the screen. 9829 2115 69...
  • Page 57: Modifying Settings

    Instruction Book 3.15 Modifying Settings Control panel Enter key Escape key Scroll keys Menu icon, Settings Function To display and modify a number of settings (e.g. Time, Date, Date format, Language, units etc.) 9829 2115 69...
  • Page 58 Instruction Book Procedure Starting from the Main screen (see Main screen), • Move the cursor to the action button Menu and press the Enter key. Following screen appears Using the Scroll keys, move the cursor to the Settings icon (see above, section menu icon). Press the Enter key.
  • Page 59 Instruction Book Move the cursor to the icon of the function to be modified and press the Enter key. Modifying network settings Modifying network settings Select the network settings icon as described above and press the Enter button (1). Following screen Text on figure Network...
  • Page 60 Instruction Book Press the Enter button; a red selection bar is covering the first item (Ethernet). Using the Scroll keys, move the cursor to the setting to be modified (e.g. Ethernet) and press the Enter button (1). A pop-up screen appears. Use the | or J, key to select the required parameter and press the Enter key to confirm.
  • Page 61 Instruction Book The screen shows the first items of a list of all settings. Use the scroll button the see the other items in the list. Press the Enter button (1); a red selection bar is covering the first item (Language in use). Use the [ key of the Scroll keys to select the setting to be modified and press the Enter key.
  • Page 62 Instruction Book Regulation settings: PDP extended cycle: the cycle is lengthened by putting the vessel in waiting mode (standby) if PDP is low enough after regeneration and cooling. PDP switching temperature: the PDP should not increase to this setting before the vessels are switched when the dryer is in standby mode.
  • Page 63 Instruction Book The screen shows the list of all settings. • Press the Enter button (1); a red selection bar is covering the first item • (Automatic restart). Use the [ key of the Scroll keys to select the setting to be modified and press the Enter key.
  • Page 64: Extra Menu

    Instruction Book 3.16 Extra Menu Control panel Menu icon, Test Function To call-up the actual readings for the pressure dewpoint, the relative humidity and the LAT setpoint Procedure Starting from the Main screen (see Main screen): • Move the cursor to the action button Menu and press the enter key (2). Following screen appears: 9829 2115 69...
  • Page 65: Webserver

    Instruction Book Using the scroll keys (1), move the cursor to the Extra icon (see above, section Menu icon) Press the enter key (2). A screen showing the actual readings for the pressure dewpoint, the relative humidity and the LAT setpoint appears. 3.17 Webserver All Elektronikon controllers have a built-in web server that allows direct connection to the company network or to a dedicated PC via a local area network (LAN).
  • Page 66 Instruction Book Use a UTP cable (CAT 5e) to connect to the controller (see picture below). Configuration of the network card • Go to My Network places (1). • Click on View Network connections (1). • Select the Local Area connection (1), which is connected to the controller 9829 2115 69...
  • Page 67 Instruction Book • Click with the right button and select properties (1). • Use the checkbox Internet Protocol (TCP/IP) (1) (see picture). To avoid conflicts, de-select other properties if they are selected. After selecting TCP/IP, click on the Properties button (2) to change the settings. •...
  • Page 68 Instruction Book Open Internet Explorer and click on Tools - Internet options (2). • Click on the Connections tab (1) and then click on the LAN settings button (2). • In the Proxy server Group box, click on the Advanced button (1). 9829 2115 69...
  • Page 69 Instruction Book • In the Exceptions Group box, enter the IP address of your controller. Multiple IP addresses can be given but they must be separated with semicolons (;). Example: Suppose that you already added two IP addresses (192.168.100.1 and 192.168.100.2).
  • Page 70 Instruction Book Viewing the controller data • Open your browser and type the IP address of the controller you want to view in your browser (in this example http://192.168.100.100). The interface opens: Navigation and options • The banner shows the dryer type and the language selector. In this example, three languages are installed on the controller 9829 2115 69...
  • Page 71 Instruction Book • On the left side of the interface you can find the navigation menu (see picture below). If a license for ESi is foreseen, the menu contains 3 buttons. dryer: shows all dryer settings. Es: shows the ESi status (if a license is provided). Preferences: allows to change temperature and pressure unit.
  • Page 72 Instruction Book Digital inputs Gives an overview of all Digital inputs and status. Digital outputs Shows a list of all digital outputs and their status. Special protections Give an overview of all special protections of the dryer. Service plan Shows all levels of the service plan and status. This screen only shows the running hours.
  • Page 73: Programmable Settings

    Instruction Book ES screen controller If an ESi license is provided, the button ES is shown in the navigation menu. At the left all the right the ES status are shown dryers in the ES and at 3.18 Programmable Settings Description The regulation and safety devices are factory-adjusted to obtain optimum performance of the dryer.
  • Page 74: Timer Card

    Instruction Book 4. Timer Card 4.1 Purge Control Version The dryer is equipped with a Pressure Dewpoint sensor (PDP sensor), extending the drying time. The regeneration time is still timer controlled. The PDP sensor constantly measures the pressure dewpoint (PDP) of the air leaving the drying tower.
  • Page 75: Electrical Diagrams

    Instruction Book 4.2 Electrical Diagrams Timer Card Wiring Diagram 9829 2115 69...
  • Page 76 Instruction Book Elektronikon Wiring Diagram 9829 2115 69...
  • Page 77: Electrical Connection

    Instruction Book Reference Explanation Maximum fuses with regard to circuit protection. Cable section may impose fuses of smaller value Supply settings for X9 Connection for remote control (X3): to NO contact of compressor Supply connection for 115 V and 230 V Supply connection for 24 V Time setting solenoid valves Connection PDP sensor...
  • Page 78 Instruction Book Timer card layout Below figure shows the terminals of the timer card: Timer card of the CD dryers Supply connection (X9) In most cases, the dryer only needs to be connected to the power supply. If not already done, the power cable must be connected to terminals X9 as shown below.
  • Page 79 Instruction Book For 24 V AC: connect the supply cable to terminals 2 and 3 (only applicable to timer card 1900 0713 07 (cubicle 1900 5002 01)): X3 (freeze contact - P4) If you want to use the feature to “freeze” the regeneration cycle when the compressor runs unloaded, connect pin 1 and 2 of connector X3 with the potential free contact of the compressor (contact closed = freeze).
  • Page 80 Instruction Book Output alarm relay X11 These terminals are connected to a relay that switches at the same time as the alarm LED. Pin designations: Label Description Alarm contact - Normally Open COM2 Alarm contact - Common Alarm contact - Normally Closed Output warning relay - X12 These terminals are connected to a relay that switches at the same time as the warning LED.
  • Page 81 Instruction Book CAN Bus address dip switch Dip switch number Function 1,2,3 (reserved) Normally Off used for diagnostic purposes 4,5,6,7,8 Binary address selector (valid values= 1 to 31) bit 4, bit 3, bit 2, bit 1, bit 0) On = 1, Off = 0 Example of address selection: For CAN Bus node address 1, the dip switch configuration is: Before switching on the main power supply, check the voltage requirements in...
  • Page 82: Resetting The Service Counter

    0 and will appear again after 8000 hrs. Problem solving LED Service warning/ Both LED’s are timer-controlled and Contact Atlas Copco for maintenance. Service alarm is alight. will alight after a certain time (orange After maintenance, the timer needs to be LED (warning): after 7750 hours, red reset.
  • Page 83: Installation

    Instruction Book 5. Installation 5.1 Dimension Drawings Dimension drawings and installation proposals Dimensional Drawing CD 350 & 425 9829 2115 69...
  • Page 84 Instruction Book Dimensional Drawing CD 500 9829 2115 69...
  • Page 85 Instruction Book Dimensional Drawing CD 700 & 850 9829 2115 69...
  • Page 86 Instruction Book Dimensional Drawing CD 1100 9829 2115 69...
  • Page 87 Instruction Book Dimensional Drawing CD 1250 & 1400 9829 2115 69...
  • Page 88 Instruction Book Name Outlet Inlet Vessel A Vessel B Symbol Description Approval Size Rating (10) Air inlet (11) Air outlet (12) Desiccant inlet (13) Desiccant removal (14) Weight of unit without desiccant: (15) Weight of unit with desiccant: (16) For dismantling and filling of desiccant (17) Main terminal connection location (18)
  • Page 89: Installation Proposal

    Instruction Book 5.2 Installation Proposal 9829 2115 69...
  • Page 90: Positioning

    A MaxLife Fiber Bed Mist Eliminator (MLME) can be installed upstream of the dryer for the maximum protection against oil carryover. Consult Atlas Copco for details. An outlet dust filter type DDp (4) (particle removal down to 1 micron) is installed downstream of the dryer (option).
  • Page 91: Piping

    Never overload the dryer as this will damage the desiccant. It may be recommended to install the air dryer upstream of the air receiver to prevent overload (e.g. after extending the dry air system). Consult Atlas Copco if in doubt. Concerning the piping, following checks should be carried out: •...
  • Page 92: Pictographs

    Instruction Book 5.6 Pictographs Explanation of pictographs 1. Data plate 2. Warning, heated surface 3. Warning, explosion danger if pressurized (see section 4) 4. Air outlet 5. Air inlet 6. Emergency stop 7. Warning, under tension 8. Warning, exhaust 6 Operating Instructions 6.1 Initial Start-up Description To start up the dryer for the first time or after a long period of standstill, proceed as follows:...
  • Page 93: Start-Up

    Instruction Book 11. Gradually open the external outlet valve, keeping the pressure inside the dryer above 65.3 psi (4.5 bar). 12. As required, close the bypass valves of the dryer. 13. Press the stop button 0 and switch off the voltage to the dryer. 14.
  • Page 94: During Operation

    Check that the dryer is switched off. • Disconnect pressure sources and vent the internal pressure of the system before • dismantling any pressurized component. Use original Atlas Copco spare parts only. • Check for correct operation after maintenance • 9829 2115 69...
  • Page 95: Service Kits

    Service Kits Service kits Atlas Copco Customer Centers will be glad to provide you with a wide range of service kits. Service kits are comprises of all parts needed for servicing components and offer the benefits of genuine Atlas Copco parts while keeping the maintenance budget low. All service kits are mentioned in the relevant Parts Lists.
  • Page 96: Service Agreements

    Instruction Book Service Agreements Atlas Copco Customer Centers have a range of service agreements to suit your needs: • An Inspection plan. • A Preventive maintenance plan. • A Total responsibility plan. Contact your Customer Centre to agree on a tailor-made service agreement. It will ensure optimum operational efficiency, minimize downtime and reduce the total life cycle costs.
  • Page 97 Instruction Book Replacing desiccant  Do NOT overfill dryer.  Always check the state of the strainers inside the vessels, replace them if necessary  When replacing desiccant, make sure that the desiccant is disposed of according to the local regulations. ...
  • Page 98: Precautions Before Storage

    Instruction Book 7.6 Precautions Before Storage Dryer units stored after operation If the unit will not be started again for a period of up to 6 months: Put the correct number of VCI-plates (Volatile Corrosion Inhibitor) in the cubicle. (1 VCI •...
  • Page 99: Optional Equipment

    Instruction Book When the dryer is put into storage for more than one year, then the dewpoint sensor has to be recalibrated. Desiccant • When ordering the desiccant, you will receive the required / ordered quantity either in bags or in barrels, depending on the quantity and/or type that has been ordered. Both these adsorbing materials are used for "drying"...
  • Page 100: Sonic Nozzle

    Instruction Book Second dewpoint read-out As an option, and in combination with the dewpoint meter option, the dryer can be equipped with a second pressure dewpoint read-out. This module allows the customer to have the measured pressure dewpoint value available as a 4-20 mA signal. 8.2 Sonic Nozzle Excessively high air velocity (e.g.
  • Page 101: Filter Option

    Instruction Book 8.3 Filter Option Description For Z compressors: PD filter For GA compressors: DD and PD filter Dryer DDp filter PDp filter Inlet filter Outlet filter Customer's installation To protect the desiccant from contaminating fluids or particles, an inlet filter (PD for Z compressors, DD and PD combination for G compressors) can be mounted upstream of the dryer.
  • Page 102: Troubleshooting

    Instruction Book 9 Troubleshooting 9.1 Troubleshooting Symptom Possible cause Corrective action Poor dewpoint Free water in compressed air inlet Check the condensate separators and drains upstream of the dryer if they are operating correctly Temperature of compressed air is too Clean compressor after-cooler high Working pressure is too low...
  • Page 103 Instruction Book Symptom Possible cause Corrective action Incorrect adjustment of regeneration Adjust the opening time of the valve regeneration valves with the needle valve on the actuator Insufficient air leaves the Incorrect purge nozzle installed. See symptom Too high purge dryer consumption Compressor not performing enough...
  • Page 104: Technical Data

    Instruction Book Frequent loading and unloading of Prevent unloading more than once per compressor which fluctuates the air minute. pressure Frequent starting and stopping of See chapter starting-up the dryer. compressor Piston compressor feeding the dryer Install pressure vessel in front of dryer. giving a rapid pulsing air feed 10 Technical Data Reference conditions...
  • Page 105 Instruction Book Performance data CD 350+ to CD 1400+ -40 °F Variants Specifications Unit CD 350+ CD 425+ CD 500+ CD 700+ CD 850+ CD 1100+ CD 1250+ CD 1400+ Volume flow at dryer inlet 1100 1250 1400 Volume flow at dryer inlet 1059 1483 1800...
  • Page 106 Instruction Book Performance data CD 400 to CD 1600 -40 °F Variants Specifications Unit CD 400 CD 480 CD 575 CD 800 CD 950 CD 1200 CD 1450 CD 1600 Volume flow at dryer inlet 1200 1450 1600 Volume flow at dryer inlet 1017 1218 1694...
  • Page 107 Instruction Book Design data CD 350+ to CD 1400+ Specifications Unit CD 350+ CD 425+ CD 500+ CD 700+ CD 850+ CD 1100+ CD 1250+ CD 1400+ Desiccant type F variant Activated Alumina -100 F variant Molecular Sieves F variant F variant 1018 1237...
  • Page 108 Instruction Book Design data CD 400 to CD 1600 Specifications Unit CD400 CD480 CD575 CD800 CD950 CD1200 CD1450 CD1600 Desiccant type F variant Activated Alumina F variant F variant 1018 1237 1600 1817 2035 150# Inlet and outlet ANSI 3" 3"...
  • Page 109: Instructions For Use Of Air Dryer

    Instruction Book 11 Instructions for Use of Air Dryer General 1. This dryer vessel can contain pressurized air; this can be potentially dangerous if the equipment is misused. 2. This vessel must only be used as a compressed air vessel and must be operated within the limits specified on the data plate.
  • Page 110 There is a unique way of achieving that - we simply call it the Atlas Copco way. It builds on interaction, on long-term relationships and involvement in the customers' process, needs and objectives.

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