Conair UGH016/0500 manual Low

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MECHANICAL

CONDITIONS

Alarm	Possible cause	Solution

Flow fault (pump and compressor are off)

The To Process and From Open valve(s).

Process valves are closed.

The Process Fluid strain- Clean the strainer. er is clogged.

Water level in reservoir is	Fill the reservoir. See Making
low.	Process Plumbing
	Connections, in the Installation
	section.

The evaporator is fouled. Clean Evaporator. See Cleaning the Evaporator or Water-cooled Condenser, in the Maintenance section.

Pump is not running.	Check overload module.
	Replace as needed. See
	Replacing Overload Modules,
	in the Troubleshooting section.

	Pump is running back-	Switch any two of the three
	wards.	main power leads to the pump.

6-8

TROUBLESHOOTING Series 1 Portable Chillers, TIC Control

UGH016/0500

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Contents Portable Chillers Conair GROUP, INC Table of Contents IntroductionParts and Diagrams . . . . . . . . . . . .P/D-1 Introduction HOW Guide is Organized Purpose User GuideYour Responsibility AS a User Read this SO no ONE Gets Hurt Page Description What is Portable CHILLER? Cooling load TemperatureTypical Applications LocationHOW IT Works WATER-COOLED Portable Chiller Process circulationHOW IT Works HOW IT Works AIR-COOLED Portable Chiller HOW IT Works AIR-COOLED Portable ChillerChiller Features Water-cooled ModelsPortable Chiller Features Air-cooled ModelsSpecifications ModelSpecifications Pump Curves Installation Unpacking the Boxes UGH016/0500 Series 1 Portable Chillers, TIC Control Grounded power source Preparing for InstallationAvailable water source Wrap threads with Mylar or Teflon tape Making Process Plumbing ConnectionsConnect the To Process valve and tubing on Open the Fill/Drain valve and fill chiller Filling the ChillerAttach water hose to Fill/Drain valve Close the Fill/Drain valveChange the minimum operating temperature Check the coolant levelChecking Refrigerant Charge Connecting Main Power Source Connect the ground wire to grounding lugChecking Electrical Connections Close the electrical enclosure Turn on main power sourceOpen electrical enclosure Check the rotation of the pump Initially Starting ChillerPress the Start Chiller button Check the compressorStopping the Chiller Operation TIC Control Features DisplayBefore Starting Check that the casters are lockedStarting Stopping Chiller Press Menu button once Changing SettingsChanging Setpoint Temperature Press the Up/Down arrowsChanging Temperature Scale Changing to Auto Tune ModePress Enter button Changing Auto Tune ModeUse the Up/Down arrows to change Apply a load to the ChillerSetting the to Process LOW Limit Maintenance Maintenance Features UGH016/0500 Series 1 Portable Chillers, TIC Control Inspecting the condenser coil for debris Preventative Maintenance ScheduleChecking electrical connections Checking refrigerant site glassInspecting cooling water treatment system CleaningCleaning process fluid strainer Inspecting condenserCheck the refrigerant charge through the sight glass Cleaning Evaporator or WATER-COOLED Condenser Inspect the coils Cleaning AIR-COOLED CondenserCoil cleaner Use a flashlight to check between coil surfacesBe sure the main power is disconnected Locate the fill port on the back of the chiller Disconnect and lockout power to the chillerChecking Reservoir Level Refill the reservoirTroubleshooting Before Beginning FEW Words of CautionIdentifying Cause Problem DAY TimeAnswering AN Alarm Pump Compressor Alarm Condition Description StatusPower is not reaching the chiller Control ProblemsThere is a problem with the control panel Symptom Possible cause Solution Input voltage is incorrect There is a phase lossMechanical Conditions Failed Level switchWater level in tank is low Low Pump Overload Overload set incorrectly. pump and compres Faulty contactorFaulty overload module Low supply voltageAlarm Possible cause Overload set incorrectlyClogged/dirty air-cooled Compressor discharge Valve closedFaulty Failed flow switchPressure switch is No or low flow with aCompressor failed Contact Conair Service Leads are backwardsReplace the switches as needed Checking Replacing SwitchesCheck the switch Slide the top of the switch housing over untilReplacing the Contactor Disconnect the wiring from the contactorReconnect the wiring and reconnect power Remove the contactor by snapping offChecking and Replacing Contact Conair Service for the temperature Replacing Temperature ControllerSlide the new controller in until Replacing Overload Modules Reconnect wires and leadsRestore power to the chiller Rating of compressor, fan or pumpReplacing Fuses Remove and replace fusesRemoving Pump Components Remove the pump assemblyInspect, clean, and replace pump parts Open the drain/fill valveDAY Time Checking Pressure SwitchesLocate the pressure switch Check the connectionsCheck the continuity within the switch Make sure it corresponds to the following conditionsPage WE’RE Here to Help From outside the United States, call2SERVICE Information Warranty Information Maintenance LOG Date Maintenance ItemPage Pressure Tables Appendix C-2Control Settings Display Parameter Description Setting UnitsPage Parts & Diagrams Recommended Spare Parts Part Number DescriptionSpare Parts P/D-3 4SPARE Parts Spare Parts P/D-5 6SPARE Parts