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PC-2 W

IRING

IAGRAM

UGH004/0999

PD-4

Содержание microKool MPA

Страница 1: ......

Страница 2: ...er UGH004 0999 Serial number s Model number s DISCLAIMER The Conair Group Inc shall not be liable for errors contained in this User Guide or for incidental consequential dam ages in connection with th...

Страница 3: ...upply lines 3 4 Connecting the main power 3 5 Testing the installation 3 6 Entering setpoint deviation parameters 3 7 Initial setup 3 8 Changing temperature units 3 9 Enabling and disabling passcode p...

Страница 4: ...a Problem 6 3 DIAGNOSTICS Shut Down Alarms 6 4 Warning Alarms 6 10 System Alarms 6 11 Chiller Will Not Power Up 6 12 REPAIR Checking and Replacing Fuses 6 13 Resetting and Replacing Overloads 6 14 Re...

Страница 5: ...1 1 UGH004 0999 microKool Portable Chillers Purpose of the User Guide 1 2 How the guide is organized 1 2 Your responsibilities as a user 1 2 ATTENTION Read this so no one gets hurt 1 3 INTRODUCTION...

Страница 6: ...ns that could be hazardous to users or could damage equipment Read and take precautions before proceeding Numbers within shaded squares indicate tasks or steps to be performed by the user A diamond in...

Страница 7: ...le power is on WARNING Improper installation operation or servicing may result in equipment damage or personal injury This equipment should be installed adjusted and serviced by qualified technical pe...

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Страница 9: ...is the microKool chiller 2 2 Typical applications 2 2 How it works Water cooled models 2 3 How it works Air cooled models 2 4 Features 2 5 Specifications Water cooled 2 6 Specifications Air cooled 2...

Страница 10: ...indicator lights dis play the status of the chiller components The enhanced PC 2 control offers the same features as the standard control plus autostart capabilities which enables the chiller to start...

Страница 11: ...s An in line sight glass gives a visual indication of proper refrigerant charge and any dangerous moisture pre sent in the system The refrigerant passes through a thermal expansion valve where it expa...

Страница 12: ...s through a filter dryer which protects the system from moisture or other contami nants An in line sight glass gives a visual indication of proper refrigerant charge and any dangerous moisture pre sen...

Страница 13: ...ith cooling loads as low as 25 of rated chiller capacities Corrosion Free Evaporators On models through 7 5 Hp chilled water flows through heavy gauge tube in tube evaporators The water comes in conta...

Страница 14: ...1080 490 1080 490 Utility requirements Water connections NPT female inches 1 1 1 1 5 1 5 1 5 1 5 Process and condenser water inches 1 1 1 1 5 1 5 1 5 1 5 Voltages running and full load amps run full r...

Страница 15: ...1200 544 1200 544 1400 635 1600 726 Installed weight 610 277 830 376 830 376 1030 467 1030 467 1230 558 1430 649 Utility Requirements Water connections NPT female inches 1 1 1 1 5 1 5 1 5 1 5 Process...

Страница 16: ...20 30 40 50 60 20 0 40 60 80 100 40 30 20 10 0 10 20 30 40 50 60 70 80 20 0 40 60 80 100 Freeze Protection Requirements by Unit Set Temperature Freezing Points of Aqueous Ethylene Glycol Solutions Et...

Страница 17: ...ting the main power 3 5 Testing the installation 3 6 Entering setpoint deviation parameters 3 7 Initial setup 3 8 Changing temperature units 3 9 Enabling and disabling passcode protection 3 10 Selecti...

Страница 18: ...aced there for shipping Carefully inspect all components to make sure no damage occurred during shipping and that you have all the necessary hardware If damage is found notify the freight company imme...

Страница 19: ...ated environment The room temperature should not exceed 110 F 43 C with 95 non condensing humidity and should not fall below 55 F 12 C Minimum clearance for safe operation and mainte nance Nothing sho...

Страница 20: ...ns are labeled on the chiller Start by hand until the threads engage then use a pipe wrench to tighten the connection only enough to prevent leaks Do not over tighten CONNECTING PROCESS AND WATER SUPP...

Страница 21: ...nect the ground wire to the copper grounding mount If you have installed a disconnect device follow the manufacturer s wiring instructions 1 2 3 4 5 CONNECTING THE MAIN POWER SUPPLY WARNING Electrical...

Страница 22: ...erminal block Return to Step 2 and check rotation again Replace the access panel Press the RUN key to start the unit If everything is working correctly The RUN STOP light turns green The pump begins o...

Страница 23: ...emperature deviation settings Press the Setpoint Select button to select the deviation parameter you want to change Use the and setpoint buttons to enter the deviation temperature The setting is store...

Страница 24: ...Dip switch Configuration No OFF ON 1 Display units in F Display units C 2 Auto Tune disabled Auto Tune enabled 3 Passcode protect Password reset modify 4 Auto Start disabled Auto Start enabled 5 Cont...

Страница 25: ...1 on the control circuit board Disconnect and lock out main power to the chiller Open the electrical enclosure Change Dip Switch 1 to OFF for F ON for C Close the electrical enclosure and restore mai...

Страница 26: ...sure Set dip switch 3 to ON and switches 5 and 6 to OFF Close the electrical enclosure and restore power to the unit Press any button when the control dis plays Pas rSt Passcode Reset The control will...

Страница 27: ...ch 3 to OFF Close the electrical enclosure and restore power to the unit A passcode now is required to change system parameters INSTALLATION 3 11 7 8 1 2 3 4 5 6 7 8 9 10 11 ENABLING AND DISABLING PAS...

Страница 28: ...Set dip switch 5 to the ON position Close the electrical enclosure and restore power to the unit Press any button when the control displays Cnt Pt The controller will display Sel CnP and flashes the L...

Страница 29: ...the unit IMPORTANT If RUN is not pressed the new control point source will not be saved Turn off power to the unit Disconnect and lock out the main power supply Open the electrical enclosure Set dip s...

Страница 30: ...your switching or timing device Insert the two power leads from the device through the conduit into the electrical enclosure Connect the 110VAC device contact wires to the Auto Start terminals Make s...

Страница 31: ...icate that the Chiller can start at any time The chiller will start whenev er the remote switching or timing device sends a signal to start processing The Auto Start indicator light is on whenever the...

Страница 32: ...PaS use the setpoint adjustment but tons to enter the passcode Enter the node address Press the Setpoint Select button to choose Address Then press the setpoint or arrow until the address you want ap...

Страница 33: ...ler PC 1 control features 4 2 PC 2 control features 4 3 Positioning the control panel 4 4 Entering a passcode 4 5 Starting the chiller 4 6 Stopping the chiller 4 7 Using the PC 2 pumpdown feature 4 9...

Страница 34: ...ture high and low temperature deviation alarms the SPI baud rate and the SPI address Setpoint and Actual value display windows also display some alarm codes and setup instructions Run Stop Press the R...

Страница 35: ...int for this temperature is selectable as the temperature at the supply outlet return inlet or the average of the two temperatures The lights indicate whether the temperature is in degrees Fahrenheit...

Страница 36: ...trol panel is flush with the unit To detach the PC 2 control panel The PC 2 control panel may be removed and mounted up to 50 feet from the unit Do not stretch the cable The cable is available in vari...

Страница 37: ...S to indi cate a passcode is needed Press the Select button until the correct passcode appears in the display Press again to enter the passcode If the passcode is correct the control displays ACC PAS...

Страница 38: ...passcode if necessary Hold the Setpoint Select button for 5 seconds When the control displays 1 PaS use the setpoint adjustment buttons to enter the passcode Press the Setpoint Select button again Ent...

Страница 39: ...nnect all process and water connections In ship ment or storage the chiller can withstand an environment between 40 F 40 C and 150 F 65 C with 95 rela tive humidity non condensing The microKool must b...

Страница 40: ...cess value is in ambient temperature This allows the software to obtain good approximations of process parameters which are crit ical for performing an accurate tune If this requirement is not met the...

Страница 41: ...DESCRIPTION Insufficient setpoint process deviation If the absolute value of setpoint process value is less than 25 F The Auto Tune can not be started until the temperature difference is at least 25 F...

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Страница 43: ...ors 5 4 Cleaning condensers 5 4 Filling the tank 5 5 Checking refrigerant charge 5 6 Performing system tests 5 7 Key Display Test 5 8 Input Test 5 9 Output Test 5 10 Disabling or enabling output monit...

Страница 44: ...obstructions on the unit especially around air intake areas Keep the floor around the unit dry If you notice a decrease in efficiency over time check all heat transfer surfaces of the evaporator and c...

Страница 45: ...e performance especially in the water cooled chiller s condenser Clean all water cooled condenser surfaces The refrigerant side does not foul because the refrigerant acts as a solvent and operates in...

Страница 46: ...circuit For water cooled condensers You should consult a water treatment specialist for recommendations on the best chemicals to use to remove contami nants from the condenser Thoroughly flush chemica...

Страница 47: ...er or glycol mixtures make sure you are adding the correct fluid for your application REFILLING THE TANK UGH004 0999 microKool Portable Chillers MAINTENANCE 5 5 1 2 IMPORTANT Do not use deionized wate...

Страница 48: ...d between the evaporator and the condenser Use a flash light to look at the liquid line sight glass Under full load conditions the sight glass should be clear Under low load conditions when the hot ga...

Страница 49: ...trol displays tSt The Test Mode LED lights Press any button to display the first test menu Test mode provides the following menus Key Display Test Input Test Output Test Calibration Total Operating Ho...

Страница 50: ...u until the controller displays dSP Press any key to clear all displays Repeatedly press any key to test displays With each key press a new segment of all six 8 segment LEDs and a select group of LED...

Страница 51: ...to index to each test menu until the controller displays InP Repeatedly press and release any key to test With each key press and release the left display will indi cate the number of the input being...

Страница 52: ...enu until the controller displays oUt Repeatedly press and release any key to test With each key press and release the left display will indi cate the number of the output being tested oS1 OM1 oS2 OM2...

Страница 53: ...etpoint key for 3 seconds to index to each test menu until the controller indicates oS1 in the actual display and the status of the selected output in the Select display Press the Setpoint or key to c...

Страница 54: ...ds to index to each test menu until the controller indicates SC L in the Actual display Release the Setpoint key You are now in calibration mode Each press and release of this key will exit the curren...

Страница 55: ...e end of a calibration tells the controller to perform the next calibra tion Exit Calibration Mode Press and hold the Select key for 3 seconds to exit the Calibration Mode You can now proceed to the n...

Страница 56: ...icates Log The Setpoint display indicates the total number of operat ing hours in 100 hour units Exit the Operating Hours Log Press and hold the Select key for 3 seconds to exit and index to the next...

Страница 57: ...ICS Shut down alarms 6 4 Warning alarms 6 10 System alarms 6 11 Chiller will not power up 6 12 REPAIR Checking and replacing fuses 6 13 Resetting overloads 6 14 Replacing the pump overload 6 14 Replac...

Страница 58: ...control panel These indicators will help you discover the cause of the problem more quickly The chiller is equipped with many safety devices Do not remove or defeat them Improper corrective action ca...

Страница 59: ...the microprocessor control When the chiller control detects a problem the red Alarm light is activated and the RUN STOP light changes from green to flashing red When an Alarm condition occurs Press to...

Страница 60: ...pump sizing for the application Decrease the water flow from the process Disconnect the power and open the electrical enclosure Verify that the overload is set to trip at the proper amperage which sho...

Страница 61: ...ocouple loose Has the thermocouple failed Is the thermocouple loose Has the thermocouple failed Solution Check phase continuity through the compressor con tactor If the contactor has failed replace it...

Страница 62: ...ocation Has the motherboard output channel at the designated fuse failed Solution Check pump rotation against the arrow stamped on the pump If the pump is rotating in the wrong direction discon nect a...

Страница 63: ...h compressor sizes 15 Hp and above Possible cause Is the correct voltage supplied to the motor on the compressor Is the overload faulty or set incorrectly Is the compressor faulty Oil level in the com...

Страница 64: ...en Verify that the suction valve at the compressor is open Verify that the expansion valve is working properly Check for closed valves and obstructions contaminants or dirt that may have blocked or re...

Страница 65: ...ion if a tower supplies the water Contact a certified refrigerant technician for servicing Check the fluid level by look ing at the tank level sight glass at the rear of the chiller Add fluid if neces...

Страница 66: ...ss setpoint Increase the high deviation limit setting The recommend ed setting is 2 F to 10 F above the process setpoint Check for plugged pipes and closed valves Clear any obstructions and open valve...

Страница 67: ...n Make sure all connections on the motherboard are solid Operate unit in a noise free environment If error persists contact Conair service Make sure the CPU and PROM chips are seated correctly in the...

Страница 68: ...ower supply and any customer installed electrical discon nect or emergency stop devices are in the ON posi tion Verify correct electrical con nections between the unit and the control and between the...

Страница 69: ...e sensing device for the fuse location Check all wiring referencing the fusing location for loose connections damage or improper grounding Verify that the correct device is being used for this fuse lo...

Страница 70: ...the starter Reverse these steps to install the new overload module Set the module reset mode to M for manual Set the proper FLA trip point Do not exceed the FLA for the pump motor microKool Portable...

Страница 71: ...6 CONFIGURATION DIP SWITCH OFF ON 4 3 2 1 4 3 2 1 UNLDR 1 VENT 2 SOL UNLDR 1 VENT 2 SOL UNLDR 2 COOL 1 SOL UNLDR 2 COOL 1 SOL F5 F4 F2 PUMP PUMP PUMP OL PUMP OL 6 5 4 3 2 1 4 3 2 1 6 5 4 3 2 1 F3 4 3...

Страница 72: ...the compressor con tactor contactor Label the wires to ensure you can connect them correctly to the new contactor Remove and discard the old contactor Reverse this procedure to install the new con tac...

Страница 73: ...Clear any alarms and restart the chiller Watch for the following The unloader valve light should turn on for 2 seconds when the compressor starts You should hear the sole noid activate when the unload...

Страница 74: ...cal enclosure and locate the freezestat unit Disconnect freezestat unit wires from their ter minals Mark the wires so that you can easily reconnect the new unit to the appropriate terminals Loosen the...

Страница 75: ...ollowing checklist before calling Conair Make sure you have all model serial and parts list numbers for your particular equipment Service personnel will need this information to assist you Make sure p...

Страница 76: ...ill exercise one of the following options Inspect the equipment and perform alterations or adjustments to satisfy performance claims Charges for such inspections and corrections will be waived unless...

Страница 77: ...e chillers Device ID hex 21 Commands Select Poll Echo 0x21 0x21 Select stores 4 bytes of information at the chiller Poll retrieves it 0x21 0x20 Setpoint Process Temperature 0x21 0x21 Sets and retrieve...

Страница 78: ...Test Mode Phase error NOTES The SPI I O list defines the Processing bit as being cleared if the unit is not processing otherwise it is SET Elsewhere on the chart If a bit is not shown to be SET it is...

Страница 79: ...water level SET SET Test Mode Phase error SET SET SET NOTES The SPI I O list defines the Processing bit as being cleared if the unit is not processing otherwise it is SET Elsewhere on the chart If a b...

Страница 80: ...SET SET Compressor overload SET SET Freeze Stat Low water level SET SET Test Mode Phase error NOTES The SPI I O list defines the Processing bit as being cleared if the unit is not processing otherwise...

Страница 81: ...PD 1 UGH004 0999 microKool Portable Chillers PC 1 Wiring Diagram PD 2 PC 1 Circuit Board PD 3 PC 2 Wiring Diagram PD 4 PC 2 Circuit Board PD 5 Parts Lists PD 6 PARTS DIAGRAMS...

Страница 82: ...PC 1 WIRING DIAGRAM UGH004 0999 PD 2...

Страница 83: ...TR GND GND TR TR 120 Ohm 1 2 3 4 5 6 7 8 4 3 2 1 6 5 4 3 2 1 4 3 2 1 1 2 3 4 PC 1 CIRCUIT BOARD WARNING IT IS VERY IMPORTANT THAT SWITCHES 7 AND 8 BE SET TO THE PROPER UNIT TYPE BEFORE OPERATING THIS...

Страница 84: ...PC 2 WIRING DIAGRAM UGH004 0999 PD 4...

Страница 85: ...3 2 1 1 2 3 4 PC 2 CIRCUIT BOARD WARNING IT IS VERY IMPORTANT THAT SWITCHES 7 AND 8 BE SET TO THE PROPER UNIT TYPE BEFORE OPERATING THIS UNIT CHILLER 7 ON 8 OFF 1 2 0 O h m J U M P E R D B 9 5 9 D B...

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