Conair VL Series, 0.25 to 1.5 ton manual Start UP/OPERATIONS Procedure System Fill

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3.1GENERAL

A.Failure to follow the factory required operation procedures may adversely affect the unit’s ability to control process temperature and may create a hazardous operating condition which may result in unit damage and serious operator injury or death.

B.The Operations segment of this manual is outlined below:

3.2Machine start-up/operations procedure - follow this segment to start the unit after the initial installation or to restart the unit after reinstallation to the same or different process. This section includes information on system fill, electric motor phasing (pump rotation) and process flow adjustments.

3.3Instrument - follow this segment to start up and operate the instrument controller. This section includes information on automatic and manual venting, setpoint selection and adjustment, and feature explanations.

3.4Shut down procedure - follow this segment to shut down the unit. This segment includes information on system cool down, shut down, electrical power supply precautions, and disconnection from system.

3.2START UP/OPERATIONS PROCEDURE

A.SYSTEM FILL

1.The unit has an internal reservoir which must be filled and maintained for proper operation.

2.Conair recommends the addition of 20% inhibited propylene glycol to the process fluid. This should help prevent the process fluid from freezing and internal components from rusting. A biocide must be added to the water to prevent organism growth in the chilled water system. See water treatment section in section 8 of this manual for more information.

3.Remove the top panel to access the reservoir. Add fluid directly to the reservoir tank. Please note, when the pump is first started, and after the process lines are filled and entrained air

is purged, additional

 

fluid may be required to

 

restore the reservoir to

Reservoir

the correct level.

 

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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 Troubleshooting Table of Contents GeneralInstallation MaintenanceVL Series Portable Chillers, 0.25 to 1.5 Tons UGH020/0301 General Unit Location SafetyClean AIR ACT 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 Front Keypad OperationsInstrument Operation General Description Description of Parameters Parameters Defaults Error Annunciation Shut DOWN/DISCONNECT Sequence PRECAUTIONS/WARNINGSTroubleshooting Unit will not Start Unit Shuts Down on High Pressure SwitchUnit Shuts Down on LOW Pressure Switch 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 tonsWater Supply Operation below 48FFreeze Protection Safety Adjustments PrecautionsChoosing the Proper Glycol Water Quality ControlInhibited Propylene Glycol Automotive Based Antifreeze Maintenance ResponsibilityUSE of Plain Glycol 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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