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

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WARNING: Electrical hazard

Before performing any work on this unit, discon- nect and lock out electrical power sources to prevent injury from unexpected energization or startup.

The pump tank has one or two float switches. The float switch (low level cutout) activates an alarm. There is also a flow switch in the process fluid line to verify flow.

To replace a switch:

1 Disconnect and lockout power to the chiller.

2 Open the electrical enclosure and locate the

connection for the correct switch on the terminal switch. Refer to the wiring diagrams you received with your chiller to find the correct terminals.

3 Check the switch.

Check continuity within the switch and make sure it cor- responds to the condition of the switch. Clean the switch if needed.

4 Replace the switches as needed.

Drain the tank to replace the switch(es).

To check a flow switch:

1	Remove the electrical cover on the flow switch.

2	Slide the top of the switch housing over until
	the N.O. (normally open) shows when electrical cover is
	placed back on.

3	Replace electrical cover on flow switch.

Flow switch

Level switch

CHECKING AND

REPLACING

SWITCHES

Always refer to the wiring diagrams that came with your chiller to locate specific electrical components.

UGH016/0500

Series 1 Portable Chillers, TIC Control TROUBLESHOOTING 6-15

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Contents Portable Chillers Conair GROUP, INC Introduction Table of ContentsParts and Diagrams . . . . . . . . . . . .P/D-1 Introduction Your Responsibility AS a User Purpose User GuideHOW Guide is Organized Read this SO no ONE Gets Hurt Page Description What is Portable CHILLER? Typical Applications TemperatureCooling load LocationProcess 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 Available water source Preparing for InstallationGrounded power source Connect the To Process valve and tubing on Making Process Plumbing ConnectionsWrap threads with Mylar or Teflon tape Attach water hose to Fill/Drain valve Filling the ChillerOpen the Fill/Drain valve and fill chiller Close the Fill/Drain valveCheck the coolant level Change the minimum operating temperatureChecking Refrigerant Charge Connect the ground wire to grounding lug Connecting Main Power SourceOpen electrical enclosure Close the electrical enclosure Turn on main power sourceChecking Electrical Connections Press the Start Chiller button Initially Starting ChillerCheck the rotation of the pump Check the compressorStopping the Chiller Operation Display TIC Control FeaturesCheck that the casters are locked Before StartingStarting Stopping Chiller Changing Setpoint Temperature Changing SettingsPress Menu button once Press the Up/Down arrowsChanging to Auto Tune Mode Changing Temperature ScaleUse the Up/Down arrows to change Changing Auto Tune ModePress Enter button Apply a load to the ChillerSetting the to Process LOW Limit Maintenance Maintenance Features UGH016/0500 Series 1 Portable Chillers, TIC Control Checking electrical connections Preventative Maintenance ScheduleInspecting the condenser coil for debris Checking refrigerant site glassCleaning process fluid strainer CleaningInspecting cooling water treatment system Inspecting condenserCheck the refrigerant charge through the sight glass Cleaning Evaporator or WATER-COOLED Condenser Coil cleaner Cleaning AIR-COOLED CondenserInspect the coils Use a flashlight to check between coil surfacesBe sure the main power is disconnected Checking Reservoir Level Disconnect and lockout power to the chillerLocate the fill port on the back of the chiller Refill the reservoirTroubleshooting FEW Words of Caution Before BeginningDAY Time Identifying Cause ProblemPump Compressor Alarm Condition Description Status Answering AN AlarmThere is a problem with the control panel Control ProblemsPower is not reaching the chiller Input voltage is incorrect There is a phase loss Symptom Possible cause SolutionWater level in tank is low Failed Level switchMechanical Conditions Low Faulty overload module Faulty contactorPump Overload Overload set incorrectly. pump and compres Low supply voltageOverload set incorrectly Alarm Possible causeClogged/dirty air-cooled Valve closed Compressor dischargePressure switch is Failed flow switchFaulty No or low flow with aLeads are backwards Compressor failed Contact Conair ServiceCheck the switch Checking Replacing SwitchesReplace the switches as needed Slide the top of the switch housing over untilReconnect the wiring and reconnect power Disconnect the wiring from the contactorReplacing the Contactor Remove the contactor by snapping offChecking and Replacing Slide the new controller in until Replacing Temperature ControllerContact Conair Service for the temperature Restore power to the chiller Reconnect wires and leadsReplacing Overload Modules Rating of compressor, fan or pumpRemove and replace fuses Replacing FusesInspect, clean, and replace pump parts Remove the pump assemblyRemoving Pump Components Open the drain/fill valveLocate the pressure switch Checking Pressure SwitchesDAY Time Check the connectionsMake 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