Conair Portable Chillers Series 1Water-Cooled (W1) and Air-Cooled Models (A1) withTIC Control

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MECHANICAL

CONDITIONS

CONT’D

Alarm

Possible cause

Solution

Low Suction Pressure (pump is running and com- pressor is off)

No or low flow with a	❏ Check To Process and From
failed flow switch and	Process valves to see if they
RTD.	are open.
	❏ Check Flow switch and
	RTD. Replace as needed.

Compressor suction valve	Open valve.
is closed.

No load on the Chiller.	Check process load for
	required load. Chiller may be
	oversized.

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

The Evaporator is frozen.	❏ Check RTD; Replace as
	needed.
	❏ Check minimum allowable
	setpoint for percent glycol
	used.

There is a refrigerant	Check for oil in chiller cabinet
leak.	and bubbles in refrigerant site
	glass. Consult Conair Service
	for repair.

The pressure switch is	See Checking Pressure
The pressure switch is	Switches, in the
faulty.	Troubleshooting section.

UGH016/0500

Series 1 Portable Chillers, TIC Control TROUBLESHOOTING 6-13

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Contents Portable Chillers Conair GROUP, INC Introduction Table of ContentsParts and Diagrams . . . . . . . . . . . .P/D-1 Introduction Purpose User Guide HOW Guide is OrganizedYour Responsibility AS a User Read this SO no ONE Gets Hurt Page Description What is Portable CHILLER? Location TemperatureTypical Applications Cooling loadProcess circulation HOW IT Works WATER-COOLED Portable ChillerHOW IT Works HOW IT Works AIR-COOLED Portable Chiller AIR-COOLED Portable Chiller HOW IT WorksWater-cooled Models Chiller FeaturesAir-cooled Models Portable Chiller FeaturesModel SpecificationsSpecifications Pump Curves Installation Unpacking the Boxes UGH016/0500 Series 1 Portable Chillers, TIC Control Preparing for Installation Grounded power sourceAvailable water source Making Process Plumbing Connections Wrap threads with Mylar or Teflon tapeConnect the To Process valve and tubing on Close the Fill/Drain valve Filling the ChillerAttach water hose to Fill/Drain valve Open the Fill/Drain valve and fill chillerCheck the coolant level Change the minimum operating temperatureChecking Refrigerant Charge Connect the ground wire to grounding lug Connecting Main Power SourceClose the electrical enclosure Turn on main power source Checking Electrical ConnectionsOpen electrical enclosure Check the compressor Initially Starting ChillerPress the Start Chiller button Check the rotation of the pumpStopping the Chiller Operation Display TIC Control FeaturesCheck that the casters are locked Before StartingStarting Stopping Chiller Press the Up/Down arrows Changing SettingsChanging Setpoint Temperature Press Menu button onceChanging to Auto Tune Mode Changing Temperature ScaleApply a load to the Chiller Changing Auto Tune ModeUse the Up/Down arrows to change Press Enter buttonSetting the to Process LOW Limit Maintenance Maintenance Features UGH016/0500 Series 1 Portable Chillers, TIC Control Checking refrigerant site glass Preventative Maintenance ScheduleChecking electrical connections Inspecting the condenser coil for debrisInspecting condenser CleaningCleaning process fluid strainer Inspecting cooling water treatment systemCheck the refrigerant charge through the sight glass Cleaning Evaporator or WATER-COOLED Condenser Use a flashlight to check between coil surfaces Cleaning AIR-COOLED CondenserCoil cleaner Inspect the coilsBe sure the main power is disconnected Refill the reservoir Disconnect and lockout power to the chillerChecking Reservoir Level Locate the fill port on the back of the chillerTroubleshooting FEW Words of Caution Before BeginningDAY Time Identifying Cause ProblemPump Compressor Alarm Condition Description Status Answering AN AlarmControl Problems Power is not reaching the chillerThere is a problem with the control panel Input voltage is incorrect There is a phase loss Symptom Possible cause SolutionFailed Level switch Mechanical ConditionsWater level in tank is low Low Low supply voltage Faulty contactorFaulty overload module Pump Overload Overload set incorrectly. pump and compresOverload set incorrectly Alarm Possible causeClogged/dirty air-cooled Valve closed Compressor dischargeNo or low flow with a Failed flow switchPressure switch is FaultyLeads are backwards Compressor failed Contact Conair ServiceSlide the top of the switch housing over until Checking Replacing SwitchesCheck the switch Replace the switches as neededRemove the contactor by snapping off Disconnect the wiring from the contactorReconnect the wiring and reconnect power Replacing the ContactorChecking and Replacing Replacing Temperature Controller Contact Conair Service for the temperatureSlide the new controller in until Rating of compressor, fan or pump Reconnect wires and leadsRestore power to the chiller Replacing Overload ModulesRemove and replace fuses Replacing FusesOpen the drain/fill valve Remove the pump assemblyInspect, clean, and replace pump parts Removing Pump ComponentsCheck the connections Checking Pressure SwitchesLocate the pressure switch DAY TimeMake sure it corresponds to the following conditions Check the continuity within the switchPage From outside the United States, call WE’RE Here to Help2SERVICE Information Warranty Information Date Maintenance Item Maintenance LOGPage Pressure Appendix C-2 TablesDisplay Parameter Description Setting Units Control SettingsPage Parts & Diagrams Part Number Description Recommended Spare PartsSpare Parts P/D-3 4SPARE Parts Spare Parts P/D-5 6SPARE Parts