Manuals / Conair / Household Appliance / Air Conditioner

Conair UGH016/0500 Mechanical Conditions, Alarm, Possible cause, Solution, Pump is not running

Models: UGH016/0500 Portable Chillers Series 1Water-Cooled (W1) and Air-Cooled Models (A1) withTIC Control

1 88

Download 88 pages 7.31 Kb

Page 58

Image 58

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

Page 58

Image 58

Conair UGH016/0500 Mechanical Conditions, Alarm, Possible cause, Solution, The To Process and From Open valves, wards

Contents

Installation Operation Maintenance Series 1 Water-CooledW1 andAir-CooledModels A1 with TIC Control TroubleshootingPhase Cycle Model numbers Power specifications Amps VoltsDate Manual Number UGH016/0500 Serial numbers INTRODUCTION TABLE OF CONTENTSDESCRIPTION PARTS AND DIAGRAMS . . . . . . . . . . . .P/D-1 MAINTENANCETROUBLESHOOTING TABLE OF CONTENTSHow the guide is organized INTRODUCTIONPurpose of the User Guide Your responsibilities as a userHOW THE GUIDE IS ORGANIZED PURPOSE OF THE USER GUIDEYOUR RESPONSIBILITY AS A USER CAUTION Ventilation hazard WARNING Electrical hazardCAUTION Hot Surfaces READ THIS SO NO ONE GETS HURTPage DESCRIPTION WHAT IS THE PORTABLE CHILLER? LIMITATIONS TYPICAL APPLICATIONSTemperature Cooling loadProcess circulation HOW IT WORKS WATER-COOLED PORTABLE CHILLERDESCRIPTION WATER-COOLED Refrigerant circulationHOW IT WORKS CONT’DHOW IT WORKS AIR-COOLED PORTABLE CHILLER DESCRIPTIONAIR-COOLED PORTABLE CHILLER HOW IT WORKSDESCRIPTION PORTABLE CHILLER FEATURESWater-cooledModels PORTABLE CHILLER FEATURES Air-cooledModelsDimensions in mm SPECIFICATIONS2-10 Weight lb kgDESCRIPTION Dimensions in mmWeight lb kg MODEL60 HZ PUMP PERFORMANCE CURVES PUMP CURVES2-12 50 HZ PUMP PERFORMANCE CURVESINSTALLATION UNPACKING THE BOXES CAUTION Lifting hazardCAUTION Hot Surfaces WARNINGS AND CAUTIONSCAUTION Ventilation hazard A grounded power source PREPARING FOR INSTALLATIONAvailable water source 3 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 valveOpen the Fill/Drain valve and fill chiller Change the minimum operating temperatureFILLING THE CHILLER Close the Fill/Drain valveWARNING Refrigerant hazard CHECKING REFRIGERANT CHARGESight glass 4 Connect the ground wire to grounding lug CONNECTING THE MAIN POWER SOURCE2 Connect the power wires to the terminals WARNING Electrical hazard5 Turn on main power source CHECKING ELECTRICAL CONNECTIONS3-10 WARNING Electrical hazardWARNING Initial startup INITIALLY STARTING THE CHILLER1 Turn on main power source 2 Press the Start Chiller buttonSTOPPING THE CHILLER 3-12Changing Settings OPERATIONTIC Control Features Changing Temperature ScaleTIC CONTROL FEATURES OPERATIONChecking electrical connections BEFORE STARTINGWARNING Electrical hazard Checking process fluid level in the pump tankSTARTING STOPPING THE CHILLER Press the Start Chiller buttonTemperature Setpoint CHANGING SETTINGSCHANGING THE SETPOINT TEMPERATURE Temperature Scale2 Press the Enter button CHANGING TEMPERATURE SCALECHANGING TO AUTO TUNE MODE 3 Press the Up/Down arrows5 Use the Up/Down arrows to change CHANGING AUTO TUNE MODE4 Press the Menu button 6 Press Enter buttonSETTING THE TO PROCESS LOW LIMIT 3 Press the Up/Down arrowsMAINTENANCE MAINTENANCE FEATURES CAUTION Hot Surfaces WARNING AND CAUTIONSWARNING Electrical hazard WARNING: Refrigerant hazardWeekly, or as often as needed PREVENTATIVE MAINTENANCE SCHEDULEDaily, or as often as needed Checking electrical connectionsCleaning process fluid strainer PREVENTATIVE MAINTENANCE SCHEDULECleaning Cleaning the tank and float switchCHECKING THE REFRIGERANT CHARGE WARNING Refrigerant hazardBack-flushthe solution through the CLEANING THE EVAPORATOR OR WATER-COOLED CONDENSER1 Prepare a 5% solution of Phosphoric acid piping with fresh water after cleaningcoil cleaner CLEANING THE AIR-COOLED CONDENSERClean the dirty coils with a soft brush WARNING: Electrical hazard5 Inspect the exterior power cords 1 Be sure the main power is disconnected3 Inspect all wires and connections CHECKING ELECTRICAL CONNECTIONSDisconnect and lockout power to the chiller CHECKING RESERVOIR LEVEL5-10 WARNING Electrical hazardTROUBLESHOOTING WARNING Electrical hazard BEFORE BEGINNINGA FEW WORDS OF CAUTION WARNING: Refrigerant hazardIDENTIFYING THE CAUSE OF A PROBLEM TIMEPump ANSWERING AN ALARMAlarm Condition CompressorSolution CONTROL PROBLEMSSymptom Power is not reaching the chillerSolution CONTROL PROBLEMSSymptom There is a phase lossSolution MECHANICAL CONDITIONSAlarm Failed Level switchSwitch any two of the three AlarmSolution main power leads to the pumpFaulty contactor Possible cause SolutionAlarm Faulty overload moduleFaulty contactor AlarmSOLUTION Faulty overload moduleSpecifications in the AlarmSolution MECHANICAL CONDITIONSFaulty water regulating valve AlarmSolution Faulty pressure switchfailed flow switch and AlarmSolution The pressure switch isContact Conair Service SymptomSolution MECHANICAL CONDITIONS3 Check the switch CHECKING AND REPLACING SWITCHES1 Disconnect and lockout power to the chiller 4 Replace the switches as neededDisconnect the wiring from the contactor REPLACING THE CONTACTORDisconnect and lockout power to the chiller Reconnect the wiring and reconnect power5 Disconnect the RTD wiring from the CHECKING AND REPLACING THE1 Disconnect and lockout power to the chiller 7 Install the new RTD2 Snap the Temperature Controller board out REPLACING THE TEMPERATURE CONTROLLER1 Disconnect and lockout power to the chiller 4 Contact Conair Service for the temperature4 Disconnect auxiliary wiring to the module REPLACING OVERLOAD MODULES1 Disconnect and lockout power to the chiller 6 Install the new moduleRestore power to the chiller REPLACING FUSESDisconnect and lockout power to the chiller WARNING Electrical hazardRemove the pump assembly REMOVING PUMP COMPONENTSRemove the bolts connecting the pump Inspect, clean, and replace pump partsLocate the pressure switch CHECKING PRESSURE SWITCHESTIME Check the control signal in the electrical panelCONT’D CHECKING PRESSURE SWITCHES4 Check the continuity within the switch DescriptionPage CALL WE’RE HERE TO HELPHOW TO CONTACT CUSTOMER SERVICE BEFORE YOUWARRANTY LIMITATIONS EQUIPMENT GUARANTEE PERFORMANCE WARRANTYA-2 SERVICE INFORMATION WARRANTY INFORMATION Suction pressure Evaporator water out temperature MAINTENANCE LOGDate Maintenance Item Condenser Water Temperature, In/OutPage Pressure Drops Evaporator and PipingPRESSURE TABLESAPPENDIX C-2 PRESSURETABLES W1-1.5Display CONTROL SETTINGSSetting ParameterPage PARTS & DIAGRAMS P/D-1P/D-2 RECOMMENDED SPARE PARTSPart Number Description Part Number Description RECOMMENDED SPARE PARTSMotor Starter Protector 20.0-25.0A RECOMMENDED SPARE PARTS 20973003 Flowtect, Flow Switch, Evap CircuitPart Number Description Part Number Description RECOMMENDED SPARE PARTS29213105 TXV 2 ton Water- and Air-cooled Part Number Description RECOMMENDED SPARE PARTSCondenser Fan Motor, 1/2HP, 575V, 60Hz, for A1-7.5

The To Process and From Open valve(s).

Process valves are closed.

Water level in reservoir is

Pump is not running.

Pump is running back-

Switch any two of the three

wards.

main power leads to the pump.