AEC PCA SERIES Specifiche

OPERATION AND INSTALLATION MANUAL PCA SERIES 0.5 – 1.5 hp AIR COOLED PORTABLE WATER CHILLERS IMPORTANT: PLEASE READ CA

Page 10 PCA Series Chillers 1-9 Returns IMPORTANT! Do not return any damaged or incorrect items until you receive shipping instructions from AEC, In

PCA Series Chillers Page 11 Figure 1: PCA050 Process Pump Curves 60 HERTZ PUMP CURVECURVES REPRESENT PUMP DISCHARGE ADJUSTED FOR I

Page 12 PCA Series Chillers Figure 4: PCA Cast Iron Centrifugal Pump Curve 1/3 hp (0.249 kW) 60 HERTZ PUMP CURVECURVES REPRESENT PUMP DISCHARGE ADJUS

PCA Series Chillers Page 13 Figure 5: PCA Series Chiller Specifications POWERA0537868OFFONREFRIGERANTMini ChillerPUMPONCOMPRESSOR

Page 14 PCA Series Chillers 2 Chiller Installation 2-1 Electrical Connections Check serial tag voltage and amperage requirements and make sure your

PCA Series Chillers Page 15 Process Water Bypass All PCA chillers have an internal bypass device (patent pending). If the process

Page 16 PCA Series Chillers ; A corrosion inhibitor suitable for the materials in the system should be added to the glycol/water solution. ; If st

PCA Series Chillers Page 17 2-5 Overhead Process Considerations If your application has chilled water or process piping above the

Page 18 PCA Series Chillers 3 Sequence of Operation IMPORTANT! • The PCA unit has a leaving water temperature range of 30°F (-1°C) to 65°F (18°C).

PCA Series Chillers Page 19 3-3 High Pressure Cutout The high pressure cutout is an electro-mechanical safety feature that open

Page 2 PCA Series Chillers AEC, Inc. is committed to a continuous program of product improvement. Specificati

Page 20 PCA Series Chillers Figure 8: PCA Component Identification

PCA Series Chillers Page 21 Figure 9: Piping Schematic - 1 Pump with Reservoir ExpansionvalveFilterDrierSightglassFilter Highpres

Page 22 PCA Series Chillers Figure 10: Piping Schematic - 1 Pump Without Reservoir LegendRefrigeration linesChilled water pipingCondenser water pip

PCA Series Chillers Page 23 Figure 11: Piping Schematic - No Pump, No Reservoir FlowswitchTemperaturecompressor-mountedaccess va

Page 24 PCA Series Chillers 4 Startup Checklists 4-1 Introduction Follow the check lists below for the startup of your new chiller. These lists assu

PCA Series Chillers Page 25 4-4 PCA Water Circuit Pressure Drop Table Model Gallons per minute Liters per minute ΔP (psig) ΔP

Page 26 PCA Series Chillers 5 Microprocessor Control 5-1 Introduction Standard PCA Series chillers use a microprocessor-based PID controller. The co

PCA Series Chillers Page 27 Figure 12: Typical PCA Series E5CK Microprocessor Controller PVSVOUT1OUT2 MANU STOP RMT AT SUB1ATE5C

Page 28 PCA Series Chillers RMT LED The orange RMT LED is lit during remote operation. AT LED The orange AT LED flashes during auto-tuning. SUB1 LE

PCA Series Chillers Page 29 Important! Do not change any of the control settings without consulting the AEC Service Department.

PCA Series Chillers Page 3 Safety Considerations AEC, Inc. PCA Series Chillers are designed to provide safe and reliable operation

Page 30 PCA Series Chillers 5-6 Optional Communications Standard Omron Protocol The communications function allows you to monitor and set E5CK para

PCA Series Chillers Page 31 6 Optional Graphic Panel 6-1 Indicator Lights PUMP ON (green) This indicator lights when the pump i

Page 32 PCA Series Chillers Figure 13: Optional Graphic Panel OFFONPRESSURELOWREFRIGERANTPOWERONPUMP COMPRESSORONPortable ChillerREFRIGERANTPRESSUR

PCA Series Chillers Page 33 7 Routine Maintenance 7-1 Lubrication Every three months, grease all fan motors and pump motors

Page 34 PCA Series Chillers Figure 15: Typical PCA Wiring Schematic 1T1T1FU1FU1X111Jumper Remoteinterlockby others1S-1LT131C1416152CPumpstarterCond

PCA Series Chillers Page 35 Figure 16: PCA Wiring Schematic for Chillers with No Pump or Reservoir 1T1T1FU1FUX111JumperRemoteint

Page 36 PCA Series Chillers - Notes -

PCA Series Chillers Page 37 8 Troubleshooting Guide Problem Cause Solution Chiller will not run. No power. Check main disco

Page 38 PCA Series Chillers Problem Cause Solution Pump runs, compressor will not. Refrigerant is low. Check the refrigerant charge. Pressure

PCA Series Chillers Page 39 PCA Unit Parts List Part Number Part Description A0537868 PCA Graphic A0537899 BZ Pressure Gauge A05

Page 4 PCA Series Chillers Table of Contents 1 General Information ...7 1-1 Introduction 1-2 Nece

Page 40 PCA Series Chillers - Notes -

PCA Series Chillers Page 41 - Notes -

Page 42 PCA Series Chillers - Notes -

PCA Series Chillers Page 43 Technical Assistance Parts Department Call toll-free 7am - 5pm CST [800] 423-3183 Or call [847]

PCA Series Chillers Page 5 Table of Contents 4 Startup Checklists ...23 4-1 Int

Page 6 PCA Series Chillers Charts and Figures Figure 1: PCA050 Process Pump Curves ...

PCA Series Chillers Page 7 1 General Information 1-1 Introduction AEC, Inc.'s PCA Series Water Chillers are

Page 8 PCA Series Chillers 1-4 Available Options PCA Series Chillers are available with options that tailor the unit to your requirements. Some are f

PCA Series Chillers Page 9 1-6 In the Event of Shipping Damages IMPORTANT! According to the contract terms and conditions of the