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HP QuarterHorse Series 0.25 hp Portable Chiller PS-025 manual

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Table of contents for the manual

  • Page 1

    PS-025 QuarterHorse Series 0.25 hp Portable Chiller Operation and Installation Manual[...]

  • Page 2

    Page 2 PS QuarterHorse Series Chillers AEC, Inc./Application Engineering is commi tted to a continuing program of product improvement. Specifications, appearance, and dimensions described in this manual are subject to change without notice. © Copyright AEC/Application Engineering and AEC, Inc. 2002 All rights reserved. Effective 9/24/02[...]

  • Page 3

    PS QuarterHorse Series Chillers Page 3 Safety Considerations PS Series Chillers are designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. To avoid possible personnel injury or equipment damage when installing, operating or maintaining this equipment, use [...]

  • Page 4

    Page 4 PS QuarterHorse Series Chillers Table of Contents 1 General Information ................................................. 7 1-1 Introduction 1-2 Necessary Documents 1-3 Models Covered 1-4 Available Options 1-5 Uncrating Your New Chiller 1-6 In the Event of Shipping Damages 1-7 If the Shipment is Not Complete 1-8 If the Shipment is Incorrect [...]

  • Page 5

    PS QuarterHorse Series Chillers Page 5 Table of Contents 4 Startup Checklists .................................................. 17 4-1 Introduction 4-2 PS Pre-Startup Checklist 4-3 PS Startup Checklist 5 Microprocessor Control ......................................... 19 5-1 Introduction 5-2 Setting the Process Water Temperature 5-3 Power Switch 6[...]

  • Page 6

    Page 6 PS QuarterHorse Series Chillers Charts and Figures 1 PS050A Process Pump Curves 10 2 PS Series Chiller Specifications 10 3 Ethylene Glycol Curve 13 4 Overhead Piping 14[...]

  • Page 7

    PS QuarterHorse Series Chillers Page 7 1 General Information 1-1 Introduction PS Series Water Chillers are reliable, accurate, and easy-to-use air cooled chillers designed for use with water/glycol. Standard range of operation is 50 ° F to 70 ° F (10°C to 21°C). This PS chiller is a ¼ hp (187 W) model and has an internal one gallon (3.8 liter)[...]

  • Page 8

    Page 8 PS QuarterHorse Series Chillers 1-4 Available Options PS Series chillers are available with options that tailor the unit to your requirements. Some are factory installed, some can be retrofitted in the field. Consult your local Application Engineering Sales Representative. Some of these options are: Power Cord A 6 foot (1.8 m) power cord is [...]

  • Page 9

    PS QuarterHorse Series Chillers Page 9 1-6 In the Event of Shipping Damages Important! According to the contract terms and conditions of the Carrier, the responsibility of the Shipper ends at the time and place of shipment. ; Notify the transportation company’s local agent. ; Hold the damaged goods and packing material for the exam ining agent’[...]

  • Page 10

    Page 10 PS QuarterHorse Series Chillers 1-9 Returns Important! Do not return any damaged or incorrect items until you receive shipping instructions from Application Engineering. Figure 1 PS025 Process Pump Curve 6 0 HE RTZ P UMP CURV E C U R VES R EPR ESEN T PUMP DI SC H A RG E A D JU STE D F OR I N TERN A L B Y -P ASS PS 0 25 - P R O C E S S P U M[...]

  • Page 11

    PS QuarterHorse Series Chillers Page 11 2 Chiller Installation 2-1 Electrical Connections Check serial tag voltage and amperage requirements and m ake sure your electrical service conforms. See Figure 2 on Page 10 for total running amps. ; Electrical connections must comp ly with all applicable electrical codes. ; The chiller must be grounded in ac[...]

  • Page 12

    Page 12 PS QuarterHorse Series Chillers Process Water Bypass All PS chillers have an internal bypass device. If the process flow becomes blocked during chiller operation, this component allows water to flow through the chiller. This protects the chiller from freeze-up, excessive pressures, and pump dam age, and allows other safety features to remai[...]

  • Page 13

    PS QuarterHorse Series Chillers Page 13 ; If you want to use straight water, contact Application Engineering’s, Engineering Department. ; The 1 gallon (3.8 liter) reservoir is not designed to withstand water pressure above 5 psi (34 kPa). ; The fill opening and vent line must be vented to the atm osphere for proper operation. Properly Venting and[...]

  • Page 14

    Page 14 PS QuarterHorse Series Chillers 2-5 Overhead Process Considerations If your application has chilled water or process piping above the reservoir fill and vent level, install a standpipe to a point 1’ (30 cm) above the highest point in the system. In applications where the process or its piping is 15 feet (4.6 m) or more above the reservoir[...]

  • Page 15

    PS QuarterHorse Series Chillers Page 15 3 Sequence of Operation Important! The PS unit has a leaving water temperature range of 50°F to 70°F (10°C to 18°C). Do not attempt to run the PS unit outside this temperature range or damage to the unit may occur . 3-1 Chilled Water Circuit ; Process cooling water supply and return connections are made a[...]

  • Page 16

    Page 16 PS QuarterHorse Series Chillers - Notes -[...]

  • Page 17

    PS-025 QuarterHorse Series 0.25 hp Portable Chiller Operation and Installation Manual[...]

  • Page 18

    Page 18 PS QuarterHorse Series Chillers - Notes -[...]

  • Page 19

    PS QuarterHorse Series Chillers Page 19 5 Microprocessor Control 5-1 Introduction Standard PS Series chillers use a microprocessor based controller. The controller is a modular, self-contained unit that can slide from its m ounting housing. It is factory set and adjusted; no field adjustment to the internal controls is necessary. 5-2 Setting the Pr[...]

  • Page 20

    Page 20 PS QuarterHorse Series Chillers - Notes -[...]

  • Page 21

    PS QuarterHorse Series Chillers Page 21 6 Routine Maintenance 6-1 Lubrication Every three months, grease all fan motors and pum p motors that do not have permanently sealed bearings. Remove grease relief plug (m otors only) before adding grease. Failure to do so may result in dislodging the bearing grease retainer, eventually causing bearing failur[...]

  • Page 22

    Page 22 PS QuarterHorse Series Chillers - Notes -[...]

  • Page 23

    PS QuarterHorse Series Chillers Page 23 7 Troubleshooting Guide Problem Possible cause Solution No power. Check main disconnect fuses, wiring, and power lead to the unit. Wrong voltage supplied to the chiller. Voltage must be within plus or minus 10% of the nameplate rating. Defective on/off switch. Replace. Control circuit fuse blown. Replace, che[...]

  • Page 24

    Page 24 PS QuarterHorse Series Chillers Service Notes[...]

  • Page 25

    PS QuarterHorse Series Chillers Page 25 Service Notes[...]

  • Page 26

    Page 26 PS QuarterHorse Series Chillers Parts Department Call toll-free 7am–6pm CST [ 800 ] 423-3183 or call [ 847 ] 273 - 7700 The AEC/Application Engineering Parts Depar tment at AEC, Inc. is ready to prov ide the parts to keep your systems up and running. AEC/Application Engineeri ng replacement parts ens ure operation at design specifications[...]

  • Page 27

    Warranty AEC, Inc. warrants all equipment manufactured by it to be free from defects in workmanship and material when used under recomme nded conditions. The Company’s obligation i s limited to repair or replace FOB the factory any parts that ar e returned prepa id within one year of equipment shipment to the original purcha ser, and whic h, in t[...]

  • Page 28

    801 AEC Drive • Wood Dale, IL 60191-1198 USA (630) 595-1060 • Fax (630) 595-6641 http://www.aecinternet.com[...]