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Emerson CR035 - User Manual

Emerson CR035
70 pages
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Liebert.CRV+ Series Air Cooled Precision Air Conditioner
User Manual
Original Instruction
Version V1.4
Revision date March 4, 2015
BOM 31012977
Emerson Network Power provides customers with technical support. Users may contact the nearest
Emerson local sales office or service center.
Copyright © 2014 by Emerson Network Power Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.
Emerson Network Power Co., Ltd.
Address: Block B2, Nanshan I Park, No.1001 Xueyuan Road, Nanshan District, Shenzhen 518055, P.
R. China
Homepage: www.emersonnetworkpower.com.cn
E-mail: overseas.support@emerson.com

Table of Contents

Questions and Answers

  • H
    heather64Sep 12, 2025
    What causes low exhaust pressure in Emerson Air Conditioner?
    • S
      spencergillSep 12, 2025
      Low exhaust pressure in your Emerson Air Conditioner can be caused by refrigerant leakage, so locate the leakage point, repair it, and add refrigerant. Another cause could be a faulty fan speed controller of the outdoor unit, where the output voltage remains at 100% regardless of the condensing pressure change. If the fan speed controller is found faulty, replace it.
  • M
    Michael PhillipsSep 14, 2025
    Why suction and exhaust pressures don't change after Emerson Air Conditioner startup?
    • N
      Nicole HamiltonSep 14, 2025
      If the suction and exhaust pressures of your Emerson Air Conditioner do not change after startup, the compressor might be reversed, so exchange any two L lines of the compressor. If the compressor internal air tightness has failed and cannot be restored, replace the compressor.

Summary

Chapter 1 Overview

Product Introduction

Overview of the CRV+ AC unit's purpose, application, features, and system configuration.

Refrigerant Requirement

Specifies the type and quality of refrigerant required for system operation and warranty.

Chapter 2 Instruction For Pre-installation

Movement, Unpacking, and Inspection

Procedures for safely moving, unpacking, and inspecting the unit upon delivery.

Chapter 5 System Power-On Commissioning

Commissioning Procedures and Checklist

Step-by-step guide for system startup, refrigerant charging, and final inspection.

Chapter 6 Micro-Processing Controller

Advanced Controller Functions and Settings

Details alarm menus, system alarms, sensor settings, temperature/humidity control, and system states.

Chapter 7 System Operation And Maintenance

Routine Maintenance (Monthly and Half-Yearly)

Scheduled inspection and maintenance tasks for various unit components.

Chapter 8 Troubleshooting

Fan Troubleshooting

Common fan issues, possible causes, and troubleshooting steps.

Compressor and Cooling System Troubleshooting

Diagnoses issues related to compressor startup, operation, pressure, and noise.

Emerson CR035 Specifications

General IconGeneral
BrandEmerson
ModelCR035
CategoryAir Conditioner
LanguageEnglish

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