Conair VL Series, 0.25 to 1.5 ton Warranty Service Procedure, Periodic Preventative Maintenance

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5.1WARRANTY SERVICE PROCEDURE

A.In the event of a problem with a chiller that can not be resolved by normal troubleshooting procedures, the customer is invited to consult the Conair service department for assistance. The correct model number and serial number of the chiller must be available. The service department will attempt to isolate the problem and advise repair procedures. Often times, with the customer’s input and with the machine diagnostics, problems can be determined with “over-the-phone” consultation.

B.If the problem is beyond the scope of “over-the-phone” consultation, and if the warranty status of the machine is valid, Conair will contact the nearest authorized service contractor and provide authorization to conduct an “on-site” inspection of the unit in order to determine the course of repair. If the chiller is not covered by the warranty, Conair will advise on the repair and recommend available service contractors.

C.Conair manufactures a complete line of heat transfer equipment. It is of the utmost importance that Conair have the correct model number and serial number of the machine in question. This will allow Conair to obtain the correct manufacturing records which will help the service department to properly troubleshoot the problem and obtain the proper replacement parts when they are required. This information is stamped on the metal data tag that is attached to the machine.

D.The Conair service department must be notified prior to any repair or service of a warranty nature. Warranty claims will not be honored without prior authorization.

5.2PERIODIC PREVENTATIVE MAINTENANCE

A.Lubricate all motors. Note that some motors are supplied with sealed bearings.

B.Tighten all wire terminals.

C.Clean and check motor starter and contactor contacts.

D.Check safety switch settings.

E.Clean condenser fins of dust and dirt.

F.Back flush evaporator.

G.Check glycol/water solution ratio for operating temperature.

H.Check system for leaks.

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VL Series Portable Chillers, 0.25 to 1.5 Tons

UGH020/0301

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Contents Portable Chillers Date Manual Number UGH020/0301 Serial numbers Model numbers Table of Contents General InstallationTroubleshooting MaintenanceVL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 General Safety Clean AIR ACTUnit Location EfficiencyMiscellaneous VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 Installation To and from Process Connections Drain Connection AIR Cooled CondenserControl Circuit Wiring Electrical Connection Nema 1 ModelsOperations Start UP/OPERATIONS Procedure System Fill Operations Instrument Operation General DescriptionFront Keypad Description of Parameters Parameters Defaults Error Annunciation Shut DOWN/DISCONNECT Sequence PRECAUTIONS/WARNINGSTroubleshooting Unit Shuts Down on High Pressure Switch Unit Shuts Down on LOW Pressure SwitchUnit will not Start Pump will not StartPage VL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 Maintenance Warranty Service Procedure Periodic Preventative MaintenanceSpecial Maintenance Pump RepairVL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 Components Water System Refrigeration SystemRelated Drawings Electrical Drawing Typical PumpCircuit Schematic Item Description This page Intentionally Blank Appendix Specifications VL Air-cooled Portable Chillers 0.25 to 1.5 tonsOperation below 48F Freeze ProtectionWater Supply Safety Adjustments PrecautionsWater Quality Control Inhibited Propylene GlycolChoosing the Proper Glycol Maintenance Responsibility USE of Plain GlycolAutomotive Based Antifreeze Chiller Capacity and Derate Chart CapacityPRESSURE-TEMPERATURE Chart for R-22 Refrigerant Freon PressureUseful Engineering Formulas Parts List Description Call Equipment Guarantee Performance Warranty
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0.25 to 1.5 ton, VL Series specifications

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