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Carrier 19DV Series User Manual

Carrier 19DV Series
116 pages
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INSTALLATION, OPERATION AND
MAINTENANCE INSTRUCTIONS
Hermetic Centrifugal Liquid Chillers
DUAL STAGE
19DV - PIC 5
Nominal cooling capacity 2100 2800 kW
ORIGINAL INSTRUCTIONS CARRIER PROPERTY
IOM19DV_ENG_002 05/2019

Table of Contents

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Carrier 19DV Series Specifications

General IconGeneral
BrandCarrier
Model19DV Series
CategoryChiller
LanguageEnglish

Summary

Safety Considerations

Installation

Step 1 – Receive the Machine

Procedures for receiving and inspecting the chiller upon delivery.

Inspect the Product Delivered

Steps to check for shipping damage and verify delivered items.

Step 2 – Rig the Machine

Instructions for safely lifting and moving the chiller assembly.

Rigging the Complete Machine

Procedures for rigging the entire chiller unit.

Step 3 – Install Machine Supports

Guidelines for installing machine support systems and isolation.

Step 4 – Connection of Water, Vent and Purge Piping

Connecting water, vent, and purge piping to the chiller.

Step 5 – Electrical Connection

Instructions for making electrical connections to the chiller.

Connect Control Inputs

Connecting control input signals and wiring considerations.

Connect Control Outputs

Connecting control output signals and wiring specifications.

VFD Wiring

Instructions and precautions for VFD wiring.

Start-Up/Shut-Down/Recycle Sequence

Local Start/Stop Control

How to start and stop the chiller using the local HMI interface.

Shutdown

Procedures for safely shutting down the chiller.

Before Initial Start-Up

Necessary Checks

Essential checks to perform before starting the chiller.

Job Data Required

List of required documentation and data for system start-up.

Tighten All Gasketed Joints

Procedure for tightening gasketed joints to prevent leaks.

Check Chiller Tightness

Methods for checking the chiller's tightness.

Leak Test Chiller

Detailed procedure for performing a chiller leak test.

Standing Vacuum Test

Procedure for performing a standing vacuum test.

Chiller Dehydration

Steps for dehydrating the chiller to remove moisture.

Inspect Wiring

Inspection of electrical wiring for conformance and safety.

Charge Unit with Refrigerant

Procedure for charging the chiller with refrigerant.

Software Configuration

Steps for configuring the chiller's software settings.

Input the Design Set Points

Setting the desired operating set points for the chiller.

Field Set Up and Verification

Performing field setup and verification of parameters.

Perform a Control Test

Conducting control tests and calibrations.

Initial Start-Up

Preparation

Essential preparations before initiating the start-up sequence.

Check Motor Rotation

Procedure to verify the correct motor rotation direction.

Operating Instructions

To Start the Chiller

Step-by-step procedure for starting the chiller.

Check the Running System

How to check system parameters during chiller operation.

To Stop the Chiller

Procedures for safely stopping the chiller.

Maintenance

General Maintenance

General maintenance checks and procedures.

Adding Refrigerant

Procedure for adding refrigerant to the system.

Adjusting the Refrigerant Charge

How to adjust refrigerant charge for optimal performance.

Refrigerant Leak Testing

Methods for testing the refrigerant system for leaks.

Test After Service, Repair, or Major Leak

Post-service leak testing procedures.

Repair the Leak, Retest, and Apply Standing Vacuum Test

Steps for repairing leaks and applying vacuum tests.

Trim Refrigerant Charge

Fine-tuning the refrigerant charge for performance.

Scheduled Maintenance

Establishing and performing scheduled maintenance.

Inspect Safety Relief Devices and Piping

Inspecting safety relief devices and associated piping.

Periodic Check of the Safety Loop

Performing periodic checks on the safety loop.

Checking the Safety Chain

Verifying the safety chain functionality.

Recalibrate Pressure Transducers

Recalibrating pressure transducers for accuracy.

Recalibrate Temperature Thermistors

Recalibrating temperature thermistors.

Trouble Shooting Guide

Checking Display Messages

How to interpret status and alarm messages on the display.

Checking Temperature Sensors

Procedure for checking temperature sensor accuracy.

Check Sensor Accuracy

Verifying the accuracy of temperature sensors.

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