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Quincy Compressor QED 650, Instruction And Maintenance Manual, Page: 20 / 99

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Quincy Compressor QED 650 Instruction And Maintenance Manual Download Page 20

2.3

Refrigeration system

Refrigerant flow diagram

Air and refrigerant flow diagram for QED 650 up to QED 2100

Description

Refrigerant compressor (209) delivers hot, high-pressure refrigerant gas, which flows through condenser
(202), where most of the refrigerant condenses.

Instruction book

2920 1818 00

19

Summary of Contents for QED 650

Page 1: ...READ THIS MANUAL CAREFULLY BEFORE CARRYING OUT ANY OPERATIONS ON THE DRYER INSTRUCTION AND MAINTENANCE MANUAL Refrigerant Compressed Air Dryers QED 650 QED 850 QED 1050...

Page 2: ...prohibited This applies in particular to trademarks model denominations part numbers and drawings This instruction book is valid for CE as well as non CE labelled machines It meets the requirements fo...

Page 3: ...ODUCTION 10 2 2 AIR SYSTEM 17 2 3 REFRIGERATION SYSTEM 19 2 4 AUTOMATIC REGULATION SYSTEM 21 2 5 CONDENSATE DRAIN SYSTEM 22 2 6 ELECTRICAL SYSTEM 24 3 Air Logic controller 29 3 1 AIR LOGIC controller...

Page 4: ...ALLATION INSTRUCTIONS 81 4 4 ELECTRIC CABLE SIZE AND FUSES 83 4 5 PICTOGRAPHS 83 5 Operating instructions 85 5 1 WARNINGS 85 5 2 INITIAL START 85 5 3 STARTING 86 5 4 DURING OPERATION 86 5 5 STOPPING 8...

Page 5: ...9 Pressure equipment directives 96 Instruction book 4 2920 1818 00...

Page 6: ...ompressor press the emergency stop button switch off the voltage and depressurize the compressor In addition the power isolating switch must be opened and locked On units powered by a frequency conver...

Page 7: ...tact with or close to flammable materials 9 No external force may be exerted on the air outlet valve the connected pipe must be free of strain 10 If remote control is installed the machine must bear a...

Page 8: ...fixed 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 5 Never operate the machine below or in excess of...

Page 9: ...rt equipment 7 Close the dryer air outlet valve before connecting or disconnecting a pipe 8 Before removing any pressurized component effectively isolate the machine from all sources of pressure and r...

Page 10: ...n case of refrigerant contact with the skin rinse the skin with water If liquid refrigerant contacts the skin through clothing never tear off or remove the latter flush abundantly with fresh water ove...

Page 11: ...automatically drained The air is warmed up before leaving the dryer approx 5 C 9 F below the incoming air temperature The Air Logic Controller 1 keeps the pressure dew point stable at no load by open...

Page 12: ...General view of QED 850 Instruction book 2920 1818 00 11...

Page 13: ...General view of QED 1050 Reference Name 1 Air Logic Controller 2 Grating Instruction book 12 2920 1818 00...

Page 14: ...Position of components Inside view of QED 650 Instruction book 2920 1818 00 13...

Page 15: ...Inside view of QED 850 Instruction book 14 2920 1818 00...

Page 16: ...enoid valve 5 Cubicle 6 Hot gas by pass valve 7 Refrigerant compressor 8 Liquid separator 9 Electronic water drain EWD 10 Sight glass with moisture indicator 11 Thermostatic expansion valve 12 Refrige...

Page 17: ...Connections Rear view 1 Compressed air outlet 2 Compressed air inlet 3 Cable gland electrical connection 4 Automatic drain hose Instruction book 16 2920 1818 00...

Page 18: ...2 Air system Air flow diagram Air and refrigerant flow diagram for QED 650 up to QED 2100 Reference Name 101a Air air heat exchanger 101b Air refrigerant heat exchanger Instruction book 2920 1818 00 1...

Page 19: ...Compressed air enters heat exchanger 101a and is cooled by the outgoing cold dried air Water in the incoming air starts to condense The air then flows through heat exchanger evaporator 101b where the...

Page 20: ...Air and refrigerant flow diagram for QED 650 up to QED 2100 Description Refrigerant compressor 209 delivers hot high pressure refrigerant gas which flows through condenser 202 where most of the refri...

Page 21: ...separator 207 The dryers are provided with a sight glass 211 The sight glass allows the refrigerant flow in the line to be checked During normal operation the liquid flow must be clear In general vap...

Page 22: ...ir and refrigerant flow diagram Air and refrigerant flow diagram for QED 650 up to QED 2100 Description The condenser pressure must be kept as constant as possible to obtain stable operation therefore...

Page 23: ...hot high pressure gas is fed through hot gas by pass valve 208 to the evaporator circuit to prevent the evaporator temperature from dropping below 0 C 32 F 2 5 Condensate drain system Description Ele...

Page 24: ...the controller registers a malfunction the red alarm LED on the control panel of the EWD starts flashing a warning appears on the display of the controller and the electronic drain valve will automati...

Page 25: ...for at least 1 minute Check that the alarm LED flashes Check that a warning is generated on the display of the controller Release the test button 2 6 Electrical system Electrical diagrams for dryers w...

Page 26: ...Electrical diagram QED 650 Instruction book 2920 1818 00 25...

Page 27: ...Electrical diagram QED 850 and QED 1050 Instruction book 26 2920 1818 00...

Page 28: ...g transformer F5 Fuse secondary winding transformer F6 Fuse secondary winding transformer F10 Internal overload fan motor 1 F11 Internal overload fan motor 2 K1 Contactor refrigerant compressor K5 Con...

Page 29: ...ts Dryer protection The unit is provided with a phase sequence relay K25 The high pressure shut down switch S1 stops the compressor motor when the pressure in the refrigerant circuit reaches the upper...

Page 30: ...display indicating the operating conditions or a fault keys to control the dryer and to access the data collected by the controller buttons to manually start and stop the dryer In general the control...

Page 31: ...n mode the dryer will automatically restart if the supply voltage to the module is restored within a programmed time period The power recovery time the period within which the voltage must be restored...

Page 32: ...right can be modified 11 Escape key To go to previous screen or to end the current action 12 Scroll keys Keys to scroll through the menu 13 Stop button Button to stop the dryer LED 7 goes out 14 Star...

Page 33: ...ired Main screen Change main screen Main chart Input icons Icon Description Pressure Temperature Digital input Special protection System icons Icon Description Dryer Fan Frequency converter Drain Inst...

Page 34: ...ule Network problem General alarm Menu icons Icon Description Inputs Outputs Alarms Warnings shutdowns Counters Test Settings Service Event history saved data Access key User password Network Set poin...

Page 35: ...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 It is switched off automatically...

Page 36: ...ons are only shown if their corresponding function is activated e g week timer automatic restart after voltage failure etc Pop up icons These icons pop up if an abnormal condition occurs warnings shut...

Page 37: ...ure depends on the selection made in the input screen Each point in the chart is 1 second The screen shows 4 minutes The switch button icon for selecting other screens is changed into a small Chart an...

Page 38: ...point is the average of 1 hour The screen shows 10 days The switch button icon for selecting other screens is changed into a small Chart and is highlighted active 3 5 Calling up menus Control panel 1...

Page 39: ...mber of icons Each icon indicates a menu item By default the Inputs icon is selected The status bar shows the name of the menu that corresponds with the selected icon Use the Scroll keys to select an...

Page 40: ...ata and the status of some inputs such as the Condensing Pressure Procedure Starting from the main screen see Main screen Move the cursor to the Menu action button and press the Enter key Following sc...

Page 41: ...tdown the original icon is replaced by the warning or shutdown icon respectively 3 7 Outputs menu Control panel 1 Scroll keys 2 Enter key 3 Escape key Menu icon Outputs Function To call up information...

Page 42: ...Run Enable Dryer Motor 4 Dryer Fan 1 5 Dryer Fan 2 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 i...

Page 43: ...To call up The running hours The number of dryer starts The number of hours that the controller has been powered Procedure Starting from the Main screen see Main screen Move the cursor to the Menu ac...

Page 44: ...icon see above section Menu icon Press the Enter key Following screen appears Text on figure 1 Counters 2 Running hours dryer 3 Dryer starts 4 Module hours The screen shows a list of all counters with...

Page 45: ...the last shut down and last emergency stop data Procedure Starting from the Main screen see Main screen Move the cursor to the Menu action button and press the Enter key Following screen appears Using...

Page 46: ...he compressor when that shut down or emergency stop occurred 3 10 Modifying settings Control panel 1 Scroll keys 2 Enter key 3 Escape key Menu icon Settings Function To display and modify a number of...

Page 47: ...above section menu icon Press the Enter key Following screen appears The screen shows a number of icons Icon Function Network settings General settings Dryer Automatic restart after voltage failure se...

Page 48: ...k settings icon as described above and press the Enter button 2 Following screen appears Text on figure 1 Network 2 Ethernet 3 CAN A selection bar is covering the first item CAN Use the key of the Scr...

Page 49: ...d parameter and press the Enter key to confirm General settings Select the General settings icon as described above and press the Enter button 2 Following screen appears Text on figure 1 General 2 Lan...

Page 50: ...covering the first item Dryer operation mode Use the key of the Scroll keys to select the setting to be modified and press the Enter key A pop up screen appears Use the or key to select the required...

Page 51: ...ter button Press the enter button again to modify the security level Press the enter button again a pop up menu appears Use the scroll keys to enter the password of the new security level Press the en...

Page 52: ...e chart range as described above and proceed as follows Press the enter key the minimum setting becomes highlighted Press the enter key to modify the minimum setting or use the arrow down key to modif...

Page 53: ...To show the internet address Procedure Starting from the Main screen see Main screen Move the cursor to the Menu action button and press the Enter key Following screen appears Using the Scroll keys mo...

Page 54: ...schemes can be programmed A week cycle can be programmed 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 Procedure Starting fro...

Page 55: ...ct Week action schemes and press Enter A new window opens The first item in the list is highlighted Press the Enter key on the controller to modify Week Action Scheme 1 1 Week Action Schemes 2 Week Ac...

Page 56: ...s selected Press the enter button on the controller to create an action 1 Monday 2 Modify A new pop up window opens Select an action from this list by using the Scroll keys on the controller When read...

Page 57: ...2 Start 3 Save 4 Modify A pop up window opens Use the or Scroll keys to modify the values of the hours Use the or Scroll keys to modify the minutes 1 Monday 2 Time 3 Save 4 Modify Press the Escape key...

Page 58: ...the controller to select the correct actions Press the Enter key to confirm 1 Monday 3 Are you sure 4 No 5 Yes 6 Save 7 Modify Press the Escape key to leave this window The action is shown below the...

Page 59: ...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 1 Week Timer 2 Week Action Sc...

Page 60: ...e 1 4 Week Action Scheme 2 5 Week Action Scheme 3 6 Modify Check the status of the Week Timer Use the Escape key on the controller to go back to the main Week Timer menu Select the status of the Week...

Page 61: ...tatus shows that week 1 is active 1 Week Timer 2 Week Action Schemes 3 Week Cycle 4 Status 5 Remaining Running Time Press the Escape key on the controller to go to the main Week Timer menu Select Rema...

Page 62: ...n the week timer is set and for certain reasons the compressor must continue working for example for 1 hour This can be set in this screen This timer is prior to the Week Timer action 1 Week Timer 2 W...

Page 63: ...ey 2 following screen appears A selection bar is covering the item drain test press the enter key A screen is shown to start draining or to modify the manual drain time Select the desired option and p...

Page 64: ...t 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 Procedure Starting from the Main sc...

Page 65: ...Menu icon Press the Enter key Following screen appears Text on figure 1 Service 2 Overview 3 Service plan 4 Next service 5 History Scroll through the items to select the desired item and press the Ent...

Page 66: ...ller is not powered The figures at the right are the number of hours to go till the next service intervention In the example above the compressor was just started up which means it still has 4000 runn...

Page 67: ...t 4000 running hours of which 0 hours have passed 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 T...

Page 68: ...ions Before resetting a warning or shut down message always remedy the problem Frequently resetting these messages without remedying may damage the dryer Procedure Starting from the Main screen see Ma...

Page 69: ...n 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 In case of shut down the protection can be res...

Page 70: ...rom the Main screen see Main screen Move the cursor to the Menu action button and press the enter key 2 Following screen appears Using the scroll keys 1 move the cursor to the Extra icon see above sec...

Page 71: ...PC instead of via the display of the controller Getting started Make sure you are logged in as administrator Use the internal network card from your computer or a USB to LAN adapter see picture below...

Page 72: ...Click on View Network connections 1 Select the Local Area connection 1 which is connected to the controller Click with the right button and select properties 1 Instruction book 2920 1818 00 71...

Page 73: ...the web server Configure the web interface The internal web server is designed and tested for Microsoft Internet Explorer 6 7 and 8 Other web browsers like Opera and Firefox do not support this inter...

Page 74: ...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 Instruction book 2920 1818 00 73...

Page 75: ...3 IP addresses by putting semicolons between them 1 see picture Click OK 2 to close the window Viewing the controller data Open your browser and type the IP address of the controller you want to view...

Page 76: ...achine status is always shown on the web interface Digital inputs gives an overview of all digital inputs and their status Digital outputs shows a list of all digital outputs and their status Special...

Page 77: ...4 Installation 4 1 Dimension drawings Dimension drawings Dimension drawing of QED 650 Instruction book 76 2920 1818 00...

Page 78: ...Dimension drawing of QED 850 Instruction book 2920 1818 00 77...

Page 79: ...rawing of QED 1050 Text on figures Reference Description 1 Automatic drain flexible drain pipe 12 length 2000 mm 2 Electrical connection cable gland M25 3 3 NPT 4 Cooling air out Instruction book 78 2...

Page 80: ...Reference Description 5 Cooling air in 6 Net mass approx 7 Compressed air inlet 8 Compressed air outlet 9 Air cooled dryer type 10 Ambient 11 Maximum ambient Instruction book 2920 1818 00 79...

Page 81: ...4 2 Installation proposal Example Installation proposal QED 650 QED 850 and QED 1050 Reference Description 1 Ventilation air inlet 2 Ventilation air outlet fan Instruction book 80 2920 1818 00...

Page 82: ...alled 2c A high efficiency filter may be installed downstream of the refrigerant dryer This filter traps particles down to 0 01 micron with a max oil carry over of 0 01 mg m3 0 01 ppm 3 Air receiver w...

Page 83: ...the dryer Provide an air inlet valve and outlet valve If a by pass pipe and valve are installed the dryer can be serviced while by passing the dryer Drain pipes Each drain pipe must be individually co...

Page 84: ...uses Dryer Supply voltage Maximum fuses recommended type CSA Class HRC Form II UL Class K5 or RK5 customer s installation QED 650 460 V 3 x 20 A QED 850 460 V 3 x 20 A QED 1050 460 V 3 x 25 A Electric...

Page 85: ...ers 4 Cooling water inlet Only for water cooled dryers 5 Maximum air inlet temperature of 70 C 158 F 6 Switch off and depressurise the dryer before starting maintenance or repair 7 Compressed air inle...

Page 86: ...ing the main supply to the dryer must be switched on to initialize the controller and flow switch 2 Press start button 14 Three phase units are provided with a phase sequence relay When the dryer comp...

Page 87: ...er and flow switch Close the dryer by pass valve if installed Press start button 14 Open the dryer air inlet valve customer s installation Approx 5 minutes later open the dryer air outlet valve custom...

Page 88: ...nominal That condensate is discharged The amount depends on the operating conditions 5 5 Stopping Procedure for controller as shown Procedure Step Action 1 Close dryer inlet and outlet valves custome...

Page 89: ...lated When removing the side panels of the dryer be aware that internal elements such as the pipes can reach a temperature of 120 C 248 F Therefore wait until the dryer has cooled down before removing...

Page 90: ...onal efficiency minimize downtime and reduce the total life cycle costs General The following remarks should be kept in mind Keep the dryer clean Brush or blow off the finned surface of the condenser...

Page 91: ...and correct if necessary draw cooling air via a duct from a cooler place or relocate dryer Air inlet pressure too low Increase inlet pressure Dryer capacity exceeded Reduce air flow Shortage of refrig...

Page 92: ...opening manual drain valve Have system inspected Condensate trap continuously discharges air and water Automatic drain system out of order Have system checked If necessary replace automatic drain Evap...

Page 93: ...Cooling air inlet temperature C 25 38 Limits Unit Maximum compressed air inlet pressure psig 203 05 Maximum compressed air inlet pressure bar e 14 Minimum maximum ambient air temperature F 32 115 Mini...

Page 94: ...310 310 310 Pressure dew point F 39 36 37 43 55 66 Pressure dew point C 4 2 3 6 13 19 Total power consumption hp 6 2 4 8 5 5 6 3 7 1 7 6 Total power consumption kW 4 6 3 6 4 1 4 7 5 3 5 7 Power consum...

Page 95: ...1 6 1 6 1 6 7 7 7 Power consumption cooling fan hp 1 5 1 5 1 5 1 5 1 5 1 5 Power consumption cooling fan kW 1 1 1 1 1 1 1 1 1 1 1 1 Cooling air flow approx cfm 5300 5300 5300 5300 5300 5300 Cooling a...

Page 96: ...9 1 7 9 8 1 8 6 10 1 11 7 Power consumption cooling fan hp 1 9 1 9 1 9 1 9 1 9 1 9 Power consumption cooling fan kW 1 4 1 4 1 4 1 4 1 4 1 4 Cooling air flow approx cfm 7600 7600 7600 7600 7600 7600 C...

Page 97: ...pment Directive Components subject to 97 23 EC Pressure Equipment Directive greater than or equal to category II Description PED Class Compressor II Heat exchanger II High pressure switch IV Overall r...

Page 98: ......

Page 99: ...Cod 2920 1818 00 Edition 09 2012 quincycompressor com info quincycompressor com 217 222 7700...

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