Quincy Compressor QED-250 Instruction Book - Table of Contents

Manual is about: Refrigerant compressed air dryers

Summary of QED-250

  • Page 1

    Quincy refrigerant compressed air dryers qed-300, qed-600, qed-450, qed-250, qed-350, qed-500 instruction book.

  • Page 3: Quincy

    Quincy refrigerant compressed air dryers qed-300, qed-600, qed-450, qed-250, qed-350, qed-500 from following serial no. Onwards: caq 500 389 instruction book original instructions copyright notice any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in part...

  • Page 4: Table of Contents

    Table of contents 1 safety precautions..........................................................................................................5 1.1 s afety icons ...................................................................................................................................5 1.2...

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    3.15 c alling up / modifying can address control ..................................................................................28 3.16 c alling up / modifying ip, g ateway and s ubnetmask ........................................................................30 3.17 c alling up / modifying serv...

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    7 problem solving............................................................................................................53 8 technical data...............................................................................................................57 8.1 s ettings of fuses ......................

  • Page 7: Safety Precautions

    1 safety precautions 1.1 safety icons explanation danger for life warning important note 1.2 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 installa...

  • Page 8: 1.3

    1.3 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 i...

  • Page 9: 1.4

    Also consult following safety precautions: safety precautions during operation and 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 applic...

  • Page 10: 1.5

    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. Use only genuine spare parts. 4. All mainten...

  • Page 11

    Also consult following safety precautions: safety precautions during installation and safety precautions during operation . 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 whi...

  • Page 12: General Description

    2 general description 2.1 introduction general qed air dryers remove moisture from the compressed air by cooling the air to near freezing point. This causes the water to condense. The condensate is automatically drained. The dried air is warmed up before leaving the dryer. An infologic² controller c...

  • Page 13

    Qed-250 up to qed-600 - side view the front panel and the side panel can be removed for service operations. Reference designation 1 supply cable passage dm manual drain valve da automatic drain connection instruction book 2920 7103 90 11.

  • Page 14

    Qed-250 up to qed-600 - internal view reference name 1 compressor 2 condenser 3 heat exchanger 4 condenser fan 5 hot gas bypass valve 6 capillary tube 7 refrigerant dryer/filter instruction book 12 2920 7103 90

  • Page 15: 2.2

    2.2 air system air flow diagram air flow diagram name reference 1 heat exchanger 2 evaporator 3 water separator 4 refrigerant compressor 5 hot gas bypass valve 6 condenser 7 refrigerant dryer/filter 8 capillary 9 electronic condensate drain 10 liquid separator 11 cooling fan dm manual drain valve de...

  • Page 16: 2.3

    Condensation in the air net cannot occur unless the air is cooled to below the dew point indicated on the control panel. 2.3 refrigerant flow flow diagram flow diagram name reference 1 heat exchanger 2 evaporator 3 water separator 4 refrigerant compressor 5 hot gas bypass valve 6 condenser 7 refrige...

  • Page 17: 2.4

    The refrigerant enters evaporator (2), where it withdraws heat from the compressed air by further evaporation at constant pressure. The refrigerant leaves the evaporator and is sucked in again by the compressor. Automatic regulation the condenser pressure must be kept as constant as possible to obta...

  • Page 18

    Control panel control panel text on control panel reference description (1) power (2) alarm (3) test table with references name description l1 led "drain voltage on" l2 led alarm f funtions button the control panel on top of the drain includes a multifunction button and two state display led's. When...

  • Page 19: Controller

    3 controller 3.1 infologic² controller control panel control panel general description the infologic² controller automatically controls the dryer, i.E.: • monitors the pressure dew point and the digital switches to ensure safe operation. • stops the dryer whenever necessary. • restarts the dryer whe...

  • Page 20: 3.2

    3.2 control panel detailed description control panel reference designation function 1 display shows icons and operating conditions. 2 automatic operation symbol 3 led, automatic operation indicates that the regulator is automatically controlling the dryer. The dryer is stopped and restarted dependin...

  • Page 21

    Function icon description machine control mode remote start / stop lan control automatic restart automatic restart after voltage failure is active timer indicates a timer is active service service required units temperature unit temperature unit hours the value shown must be multiplied by 1000 to ge...

  • Page 22: 3.4

    3.4 main screen main screen when the voltage is switched on, the first screen is a test screen. The next screen is the main screen, shown automatically: main screen, basic indications in above image, the screen shows: • the dryer status (the icon is rotating when the dryer compressor is running, sta...

  • Page 23

    Overview of the screens digital input screens designation related topic status of the digital inputs see section digital inputs running hours see section calling up running hours motor starts see section calling up motor starts module hours see section calling up module hours service timer reading s...

  • Page 24

    Test screens designation related topic display test see section test screens menu flow simplified menu flow ref. Description ref. Description (1) dew point (main screen) (13) temperature unit (2) ambient temperature (14) pressure unit (3) digital input status (15) auto restart function (4) running h...

  • Page 25: 3.6

    Ref. Description ref. Description (8) actual program version (20) fixed alarm setting (9) lan selection (21) flexible alarm setting (10) settings node id (22) low dew point alarm and shutdown setting (11) ip settings (23) high ambient alarm and shutdown setting (12) service timer setting (24) displa...

  • Page 26: 3.8

    Contact description value status 1 no problem 3 flow switch 0 no flow 1 air flow 3.8 calling up running hours calling up running hours starting from the main screen, press scroll button (12) until is shown and then press enter button (13). A screen similar to the following appears: the number of hou...

  • Page 27

    In the example shown, the screen shows the unit used (hrs) and the value (5000): the regulator module has been in service during 5000 hours. 3.11 calling up/resetting the service timer calling up the service timer the controller has a built-in timer to give a warning when certain maintenance activit...

  • Page 28: 3.12 Shut-Down Warning

    3.12 shut-down warning description a shutdown warning will appear in the event of: • a too low or too high dew point temperature • a too high ambient temperature • a drain fault the dryer remains running. Alarm led (5) is lit. The alarm disappears automatically when the abnormal condition ends. Dew ...

  • Page 29: 3.13 Shut-Down

    Drain alarm the drain alarm appears when: • the drain is not able to drain all the condensate. • the compressed air pressure is too low. • during initial start-up it may indicate that the automatic drain is connected wrongly. See section problem solving. Main screen with drain alarm in case of a dra...

  • Page 30

    Main screen with ambient temperature alarm the display still shows the dew point (30 °c - 86 °f), but the ambient icon is flashing. Main screen with dew point sensor alarm the display shows and the dew point icon is flashing. Press the escape button (14) to reset and restart the dryer manually. 3.14...

  • Page 31

    If desired the user can change this id. Press the enter button (13): the node id value starts blinking. Use the scroll buttons (12) to change the node id. Press the enter button (13) to program the new node id or press the escape button (14) to leave this screen or to cancel this operation. Modifyin...

  • Page 32

    After modifying the settings, the screen may look as follows: 3.16 calling up/modifying ip, gateway and subnetmask calling up starting from the main screen, press the scroll button (12) until (13). The next screen shows either or . If , press the enter button (13) to modify it to . Use the scroll bu...

  • Page 33

    3.17 calling up/modifying service timer settings calling up/modifying service timer settings starting from the main screen: • press scroll button (12) until timer is shown in (hours) or (hours x 1000). Example: means the timer is set at 4000 running hours. • press enter button (13) to modify this va...

  • Page 34

    Press enter button (13) (unit starts blinking) and use the scroll buttons (12) to select another unit of temperature. Press enter button (13) to program the new unit. Press escape button (14) to return to the parameter screen. 3.19 calling up/modifying unit of pressure calling up/modifying unit of p...

  • Page 35: 3.22 Test Screens

    3.21 calling up/modifying flow switch function description the flow switch monitors the compressed air flow through the dryer. If the function is active and when no flow is detected, the controller stops the dryer. The controller will restart the dryer when air flows through the dryer. If the flow s...

  • Page 36

    The display now shows all icons that can be displayed: 3.23 activating automatic restart after voltage failure description this function allows the compressor to restart automatically after a power failure. This parameter, accessible in screen this function is to be activated. 3.24 activating passwo...

  • Page 37

    Lost passwords can not be recovered. Save the password carefully. 3.25 selection between flexible alarm and fixed alarm selecting between flexible alarm and fixed alarm the dew point alarm can be set in fixed or flexible mode. If set to fixed mode, an alarm will be triggered when the dew point excee...

  • Page 38

    Is the offset value that will trigger the alarm. Press enter button (13): the programmed value starts blinking. To change, use the scroll buttons (12). Press enter button (13) to modify and escape button (14) to return to the previous screen. It is also possible to adjust the value when the alarm mu...

  • Page 39

    3.29 calling up/modifying high ambient temperature setting calling up/modifying high ambient temperature setting in protection parameter set pr. 3, the high ambient temperature alarm level () and the high ambient temperature shutdown level () can be set. Both values are adjustable between 35 °c (95 ...

  • Page 40: Installation

    4 installation 4.1 dimension drawings qed-250 and qed-300 - dimension drawing instruction book 38 2920 7103 90

  • Page 41

    Qed-350 up to qed-600 - dimension drawing reference name (1) main supply electrical cable gland m25 (2) manual drain (3) automatic drain (4) cooling air flow (5) air inlet (6) air outlet instruction book 2920 7103 90 39.

  • Page 42: 4.2

    4.2 installation proposal installation proposal - qed-250 and qed-300 instruction book 40 2920 7103 90

  • Page 43

    Installation proposal - qed-350 up to qed-600 text on drawings: instruction book 2920 7103 90 41.

  • Page 44

    Reference description (1) standard dryer (2) dryer installation proposal with reference to minimum needed free area (3) ventilation proposal (4) service side (5) top view (6) service front (7) air flow inlet (8) side view (9) air flow (10) front (11) floor instructions reference description 1 the in...

  • Page 45: 4.3

    4.3 electrical connections electrical connections 1. Provide an isolating switch nearby the dryer. 2. Check that the electric cables and wires inside the electric cabinet are clamped tight to their terminals. 3. Check the fuses and the setting of the overload relay. See section settings of fuses . 4...

  • Page 46

    Electrical diagram for three-phase units typical designations used in the electrical diagrams reference designation (1) customer’s installation (2) flow switch (3) alarm ewd (4) remote start/stop b1 electronic drain 1x0/6 terminals f1-6 fuses instruction book 44 2920 7103 90

  • Page 47: 4.4

    Reference designation f23 internal protection k02 relay on/off compressor and fan k03 auxiliary relay, general warning k04 auxiliary relay, general shut-down k05/6 auxiliary relay, forced drain k11 contactor compressor k12 contactor fan motor k25 phase sequence relay k5 auxiliary relay (alarm functi...

  • Page 48

    Reference description 5 warning, voltage 6 information label refrigerant: contains fluorinated greenhouse gases covered by the kyoto protocol. Instruction book 46 2920 7103 90

  • Page 49: Operating Instructions

    5 operating instructions 5.1 warnings safety precautions 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). 5.2 initial start procedure control panel step action 1 a few minu...

  • Page 50: 5.3

    5.3 starting control panel control panel procedure to prevent that wet air gets into the compressed air circuit, it is advised to follow next procedure: step action 1 switch on the main supply to the dryer a few minutes before starting, to allow the infologic² and the flow switch to initialize. 2 if...

  • Page 51: 5.4

    5.4 during operation description control panel regularly check: • the pressure dew point on the display of the control panel. The pressure dew point will deviate from nominal if the air inlet conditions or volume flow differ from nominal. • that condensate is discharged. The amount depends on the op...

  • Page 52

    Procedure step action 1 close dryer inlet and outlet valves (customer's installation). 2 press stop button (11). The dryer stops. Voltage on led (4) remains lit. Leave the voltage on if the dryer has to remain on stand-by. Instruction book 50 2920 7103 90

  • Page 53: Maintenance Instructions

    6 maintenance instructions attention cooling dryers of qed type contain refrigerant hfc. Safety precautions when handling refrigerant, all applicable safety precautions must be observed. Please be aware of the following points: • contact of refrigerant with the skin will cause freezing. Special glov...

  • Page 54

    Preventive maintenance schedule period operation daily check that condensate is discharged during operation weekly drain cleaning: open the manual drain valve during a few seconds. Hold a towel against the drain outlet when opening. Monthly drain inspection: press the test button on top of the elect...

  • Page 55: Problem Solving

    7 problem solving warnings • before starting any maintenance or repairs, close the air outlet valve and press the test button on top of the electronic water drain to depressurise the air system. • apply all relevant instructions in section safety precautions during maintenance or repair . Faults and...

  • Page 56

    Condition fault remedy condensate trap remains inoperative automatic drain system clogged flush the assembly by opening the manual drain valve. Have system inspected clean the inlet filter of the automatic drain condition fault remedy condensate trap continuously discharges air and water automatic d...

  • Page 57

    Dew point alarm visible (red light and blinking dew point icon) condition fault remedy dryer does not start circuit has not cooled down wait 1 minute before restarting the dryer condition fault remedy too high flow or inlet temperature too high dryer undersized try running in regular mode condition ...

  • Page 58

    Condition fault remedy led l2 lights up and no drain alarm on the display slow draining or no draining • condensate is only being discharged when the test button is pressed • no condensate is being discharged when the test button is pressed note: in alarm situations, the drain valves make an automat...

  • Page 59: Technical Data

    8 technical data 8.1 settings of fuses overload relay and fuses qed-250 qed-300 qed-350 frequency (hz) voltage (v) main fuses, supply line (a) main fuses, supply line (a) main fuses, supply line (a) 60 220 20 20 25 qed-450 qed-500 qed-600 frequency (hz) voltage (v) main fuses, supply line (a) main f...

  • Page 60: 8.3

    Unit 60 hz maximum ambient air temperature °c 50 maximum ambient air temperature °f 122 minimum compressed air inlet temperature °c 1 minimum compressed air inlet temperature °f 34 maximum compressed air inlet temperature °c 60 maximum compressed air inlet temperature °f 140 8.3 air dryer data all d...

  • Page 61

    Air dryer type units qed-450 qed-500 qed-600 dryer mass (approx.) kg 197 197 197 dryer mass (approx.) lb 434 434 434 instruction book 2920 7103 90 59.

  • Page 62

    9 pressure equipment directives components subject to 97/23/ec pressure equipment directive components subject to 97/23/ec pressure equipment directive greater than or equal to category ii dryer type part number description ped class qed-250 up to qed-600 1089 9139 14 high pressure switch iv qed-250...

  • Page 63: Declaration of Conformity

    10 declaration of conformity typical example of a declaration of conformity document (1): contact address: quincy compressor 701 north dobson avenue bay minette, al 36507 united states instruction book 2920 7103 90 61.

  • Page 66

    No. 2920 7103 90 / 2011 - 11 - printed in belgium performance you demand. Reliability you trust. Www.Quincycompressor.Com.