Press the RUN button to save the control point | Conair MPW, MPA

SELECTING THE

TEMPERATURE

CONTROL POINT

(PC-2CONTROL ONLY)

8

Press the RUN button to save the control point.

◆The control will display “Pr OFF” to prompt you to remove power to the unit.

IMPORTANT: If RUN is not pressed, the new control point source will not be saved.

9

10

11

Turn off power to the unit.

the main power supply.

Open the electrical enclosure.

Set dip switch 5 to

OFF.

Disconnect and lock out

8 7 6 5 4 3 2 1

12

Close the electrical enclosure and restore power to the unit.

The chiller will now control the process temperature based on actual temperatures recorded at the new control point source.

UGH004/0999

microKool Portable Chillers

INSTALLATION 3-13

Image 29

Conair MPW, MPA manual Press the RUN button to save the control point, Set dip switch 5 to

Contents

Page Date Manual Number UGH004/0999 Serial numbers Model numbers Introduction Table of Contents Troubleshooting Introduction Your Responsibility AS a User Purpose User GuideHOW Guide is Organized Read this SO no ONE Gets Hurt Page Description Typical Applications What is the MicrokoolCHILLER? HOW IT Works Water Cooled HOW IT Works AIR Cooled High Efficiency Compressors Features Psi Pressure Specifications MPW Water Cooled MPA-5 Specifications MPA AIR Cooled Freeze Protection Requirements Freezing Points of Aqueous Ethylene Glycol Solutions Installation MicroKool Portable Chillers come fully assembled UnpackingBoxes Install plumbing for process and cooling lines Preparing for InstallationMake sure the installation area provides Install pipe to the rear of the chiller Connecting Process Water Supply LinesRemove the shipping pipe plug from the female Coat the pipe threads with thread sealant Open the unit’s electrical enclosure Connecting Main Power Supply Apply power to the unit Testing the InstallationTurn on the condenser water supply MPW Units and check for leaks. If any leaks appear, stop Entering Setpoint Deviation Parameters Dip switch Configuration Initial Setup Open the electrical enclosure Change Dip Switch 1 to Changing Temperature Units Open the electrical enclosure Set dip switch 3 to on Disconnect and lock out main power to the unitSelect a new passcode using Setpoint adjustment buttons Follow Steps 1 through 5 Press the RUN button to save the passcodeOpen the electrical Select a new control point using the Display button Selecting Temperature Control Point Press the RUN button to save the control point Set dip switch 5 to Insert the two power leads from the device Installing Auto Start Feature To disable Auto Start Set dip switch 4 to the on positionWhen Auto Start is enabled Activating SPI Communication Apply power to the chiller Enter the passcode, if necessaryConnect the host machine to the chiller Enter the node address Operation Setpoint display PC-1 Control Features Pumpdown On/Off PC-2 Control Features To raise and swivel the control panel Positioning Control PanelTo lower the control panel To detach the PC-2 control panel Press Setpoint to select the parameter you want to change Entering a Passcode Enter the passcode Starting the Chiller Stopping the Chiller Using Pumpdown FeatureTo shut down the unit Press Stop Press Button to turn on Pumpdown Performing AN Auto Tune Insufficient setpoint/process deviation Page Maintenance Preventative Maintenance Schedule Quarterly every 3 months Inspect power cords, wires and electrical connections Cleaning Condensers Cleaning Evaporators To fill the reservoir Refilling the TankLocate the fill port at Back of the chiller If the charge is low, recharge the system Checking Refrigerant Charge Performing System Tests Set dip switches 3Press To shut down the chiller Then open the electrical enclosure KEY/DISPLAY Test Connect all inputs to the system Input TestPress any key to display the first test menus Select the Input Test menu Select the Output Test menu Output TestConnect all outputs to the system Save changes and exit the output menu Select the OM Enable/Disable menuDisabling or Enabling Output Monitors Release the Setpoint key Calibrating Temperature Sensors Press the up key to begin calibrating Exit Calibration ModeWait until the control displays don or bad Press Select Exit the Operating Hours Log Logging Operating HoursIndex through test menus to the operating log Troubleshooting FEW Words Before BeginningVerify that you have manuals for other equip Messages shown on the control panel. These Cause of a Problem HOW to Identify Motor? Supplied to the pumpIs the required water flow Greater than the pump’s Loose? Is the thermocouple Level Switch fuse Has the indicated device Ply wire leads becomeHas one of the main sup Disconnected? Compressor Refrigerant pressure is either too low or too high Shut Down AlarmsAll models Air-cooled units Installed correctly? Is the freezestat settingFreeze Stat Input is open Is there sufficient fluid Flow through he evapora Cable? Is something wrong with System Alarms Chiller Will not Power UP If fuses continue to fail Checking Replacing FusesOn the front panel counterclockwise to open Replace the fuse. The fuses are located on the mother Locate the pump overload module attached Resetting OverloadsCheck the overload Replacing the Motherboard Remove and discard the old contactor Reverse this procedure to install the new conReplacing Compressor Contactor Checking Unloader Valve Replacing the Freezestat From outside the United States, call WE’RE Here to Help Appendix A-2 SPI Command Pairs SPI Commands Supported by Conair Microkool Status, Process SPI Status Words Status, Machine Appendix B-4 PARTS/DIAGRAMS PD-2 PD-3 PD-4 PD-5