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Temptek CF Series - User Manual

Temptek CF Series
84 pages
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I.O.M. #123 updated 11/06/2018
INSTRUCTION MANUAL • INSTALLATION • OPERATION • MAINTENANCE
TEMPTEK, INC.
525 East Stop 18 Road Greenwood, IN 46142
317-887-0729 fax: 317-881-1277
Service Department fax: 317-885-8683
www.Temptek.com
E-mail: sales@Temptek.com
Covering models
From 5 to 40 tons
With ‘M1’ Instruments
& Scroll Compressors
Model:
Serial Number :

Table of Contents

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Summary

General Information and Safety

Introduction to Temptek Chillers

Provides an overview of the chiller's capabilities, intended use, and manual's purpose.

General Safety Precautions

Outlines critical safety precautions, warnings, and responsibilities for operation and maintenance.

Receiving and Inspecting the Chiller

Details procedures for checking the chiller upon delivery and documenting any damage.

Chiller Efficiency Considerations

Discusses factors affecting chiller efficiency, emphasizing proper maintenance and water quality.

Clean Air Act Compliance

Addresses compliance with the Clean Air Act regarding refrigerants and venting regulations.

Water Treatment Guidelines

Recommends water treatment practices to prevent scaling, corrosion, and maintain unit performance.

Chiller Components Overview

Identifies and labels the main external components of the chiller units.

Chiller Installation Procedures

General Installation Guidelines

Covers general guidelines for chiller installation, including shipping condition and piping materials.

Selecting the Correct Unit Location

Specifies requirements for the installation site, foundation, and clearances for optimal operation.

Process Connections

Guides on connecting process piping, recommending strainers and proper pipe design.

Make-Up Water Supply

Details how to connect the automatic water make-up system and necessary precautions.

Air-Cooled Condenser Installation

Explains air flow requirements, temperature limits, and clearances for air-cooled condensers.

Water-Cooled Condenser Setup

Covers connecting water supply and return lines, flow rates, and pressure differentials.

Electrical Connection Safety

Provides essential safety warnings and guidelines for connecting the unit's electrical power supply.

Chiller Operations and Controls

General Operations Overview

Emphasizes following operational procedures to prevent hazards and ensure proper unit function.

Startup and Operation Procedures

Guides on system filling, motor rotation check, and process flow adjustments for starting.

Instrument and Control Operation

Details the control instrument's functions, startup, setpoint adjustments, and status lights.

Shut Down and Disconnect Sequence

Outlines the procedure for safely shutting down the unit and disconnecting it from the process.

Troubleshooting Common Issues

Unit Fails to Start

Lists common causes and checks for when the unit fails to power on or start.

Compressor Hums But Wont Start

Addresses issues where the compressor attempts to run but does not start.

High Pressure Limit Shutdowns

Explains reasons for high-pressure shutdowns and checks for air-cooled and water-cooled units.

Low Pressure Control Shutdowns

Covers low-pressure shutdowns, lock-out conditions, and related faults.

Internal Compressor Overload

Discusses causes and checks for internal compressor overload shutdowns.

Low Process Pressure or Water Flow

Guides on troubleshooting issues related to insufficient process flow or pressure.

Inadequate Cooling Capacity

Identifies potential causes for reduced cooling performance and necessary checks.

Sensor Troubleshooting

Explains sensor function and basic troubleshooting steps for temperature probes.

Coolant Pump Issues

Addresses troubleshooting steps for coolant pump issues, including overload trips.

Chiller Controller Problems

Discusses the chiller controller's function and the process for repair or replacement.

Chiller Maintenance Procedures

Warranty Service Process

Outlines the process for obtaining warranty assistance and required information.

Periodic Preventative Maintenance

Lists routine maintenance tasks to ensure optimal unit performance and longevity.

Special Refrigeration Maintenance

Details specific refrigeration system services that require a certified technician.

Water Make-Up System Service

Provides procedures for maintaining and servicing the automatic water make-up system.

Pump Seal Replacement

Guides on diagnosing and replacing the pump seal assembly.

Checking Refrigerant Charge

Explains how to check the refrigerant charge using the sight glass and moisture indicator.

Brazed Plate Evaporator Cleaning

Details the process for cleaning evaporator plates to remove mineral deposits and maintain flow.

Chiller System Components

Water System Components

Describes the primary components of the chiller's water circulation system.

Refrigeration System Components

Details the key components of the chiller's refrigeration circuit.

Available Unit Options

Lists various optional features available for the chillers, such as low flow bypass and alarms.

Related Drawings and Schematics

Water-Cooled Mechanical Schematics (5-10 Tons)

Provides the mechanical schematic for water-cooled models in the 5-10 ton range.

Water-Cooled Mechanical Schematics (15-40 Tons)

Offers the mechanical schematic for water-cooled models in the 15-40 ton range.

Air-Cooled Mechanical Schematics (5-20 Tons, Propeller Fans)

Presents the mechanical schematic for air-cooled models with propeller fans.

Air-Cooled Mechanical Schematics (Larger Models;Blowers)

Shows schematics for larger air-cooled models and those with optional blowers.

Air-Cooled Electrical Schematics

Illustrates the typical electrical schematic for air-cooled chiller units.

Water-Cooled Electrical Schematics

Displays the typical electrical schematic for water-cooled chiller units.

Physical Drawings: Air-Cooled (5 Tons)

Shows physical dimensions and port locations for 5-ton air-cooled models.

Physical Drawings: Air-Cooled (7.5-10 Tons)

Provides physical dimensions and port locations for 7.5-10 ton air-cooled models.

Physical Drawings: Air-Cooled (15-20 Tons, Fan Cooled)

Offers physical dimensions for 15-20 ton fan-cooled air-cooled models.

Physical Drawings: Air-Cooled (15-30 Tons, Blower)

Shows physical dimensions for 15-30 ton air-cooled models equipped with blowers.

Physical Drawings: Air-Cooled (5-10 Tons, Remote Condenser)

Presents physical views for 5-10 ton air-cooled models with remote condensers.

Physical Drawings: Air-Cooled (15-30 Tons, Remote Condenser)

Displays physical views for 15-30 ton air-cooled models with remote condensers.

Physical Drawings: Water-Cooled (5 Tons)

Shows physical dimensions and port locations for 5-ton water-cooled models.

Physical Drawings: Water-Cooled (7.5-10 Tons)

Provides physical dimensions for 7.5-10 ton water-cooled models.

Physical Drawings: Water-Cooled (15-30 Tons)

Offers physical dimensions for 15-30 ton water-cooled models.

Physical Drawings: Water-Cooled (40 Tons)

Shows physical dimensions for 40-ton water-cooled models.

Duct Schematics for Air-Cooled Chillers

Illustrates ducting schematics for air-cooled chillers equipped with centrifugal blowers.

Appendix and Supporting Information

Low Temperature Operations (Below 48°F)

Details necessary precautions and settings for operating the chiller at low temperatures.

Operating with Glycol and Ambient Adjustments

Explains procedures for using glycol and adjusting settings for sub-optimal ambient conditions.

Refrigerant Pressure-Temperature Chart

Provides a reference chart correlating refrigerant pressure with temperature for various refrigerants.

Inhibited Propylene Glycol Recommendations

Recommends specific types of inhibited propylene glycol for use in chiller systems.

Chiller Capacity and Derate Chart

Shows how chiller output tonnage is affected by different operating temperatures.

Temptek CF Series Specifications

General IconGeneral
BrandTemptek
ModelCF Series
CategoryChiller
LanguageEnglish