Conair VL Series, 0.25 to 1.5 ton Electrical Connection Nema 1 Models, Control Circuit Wiring

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2.5ELECTRICAL CONNECTION

A. NEMA 1 MODELS

1.Electrical power supply requirements for Nema 1 units (figure 2.5A) are identified on the equipment data plate. Verify that available voltage supply is the same as the unit’s voltage requirements. WARNING: Do not connect the unit to a voltage supply source not equal to the unit’s voltage requirements as specified on the unit’s data plate. Use of incorrect voltage will void the unit’s warranty and cause a significant hazard that may result in serious personal injury and unit damage.

2.A factory supplied, four conductor cable is installed for connection to a customer supplied fused power disconnect device. The fused disconnect device shall be sized and installed according to the unit’s power supply requirements and local electrical codes.

C.CONTROL CIRCUIT WIRING

1.The unit’s supplied control circuit is indicated in the electrical diagrams. The control circuit is supplied by the factory installed transformer.

D.GENERAL

1.Make certain all ground connections to the unit are properly affixed.

2.Make certain power conductor, disconnect device, and fusing are properly sized according to the unit’s power supply requirements.

3.Make certain all electrical connections are tightly affixed. Any loose wiring connections must be tighten before engaging the power supply.

4.Make certain no moisture or standing water is present inside the electrical cabinet.

 

Microprocessor

Transformer

Illuminated on/off

Motor starter

 

 

controller

switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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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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