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Carrier 42cvur018-703 User Manual

Carrier 42cvur018-703
94 pages
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R410A
FILE NO. SVM-12052
SERVICE MANUAL
SPLIT TYPE
September, 2012
Outdoor Unit
<Heat Pump Type>
38CVUR018-703
Indoor Unit
<High Wall, Heat Pump Type>
42CVUR018-703

Table of Contents

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Carrier 42cvur018-703 Specifications

General IconGeneral
BrandCarrier
Model42cvur018-703
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

General Safety and Refrigerant Handling

Covers safety for general public, new refrigerant installation, and dangers.

Installation and Servicing Precautions

Details critical safety measures for installation and servicing procedures.

Specifications

Unit Specifications and Ratings

Lists detailed technical specifications for indoor and outdoor units.

Performance Curves and Data

Provides operational characteristic curves and temperature-based capacity variation.

Refrigerant R410A

R410A Safety and Handling

Emphasizes safety during installation and servicing with R410A refrigerant.

Piping Installation and Materials

Details requirements for refrigerant piping installation, materials, and joints.

Tools and Procedures for Refrigerant

Outlines required tools, recharging, and brazing procedures for R410A.

Construction Views

Indoor Unit Construction Details

Illustrates the physical structure and components of the indoor unit.

Outdoor Unit Construction Details

Shows the physical structure and components of the outdoor unit.

Wiring Diagram

Specifications of Electrical Parts

Indoor Unit Electrical Components

Lists specifications for electrical parts used in the indoor unit.

Outdoor Unit Electrical Components

Lists specifications for electrical parts used in the outdoor unit.

Refrigerant Cycle Diagram

Refrigerant Flow and Components

Details the refrigerant cycle, flow, and key components within the system.

Cooling Operation Data

Presents operational data for cooling mode, including temperature and pressure conditions.

Control Block Diagram

Indoor Unit Control System

Illustrates the control logic and signal flow within the indoor unit.

Outdoor Unit Control System

Shows the control logic and signal flow for the outdoor unit's inverter assembly.

Operation Description

Air Conditioner Control Overview

Explains the overall control system and the roles of indoor and outdoor units.

Detailed Operation Modes

Describes various operating modes like cooling, auto, dry, fan, and special functions.

Auto Restart and Timer Functions

Details how to set and manage auto restart and timer operations for the unit.

Remote Control Functions and Usage

Explains the functions, operations, and display indications of the remote controller.

Installation Procedure

Indoor and Outdoor Unit Installation Diagram

Illustrates the physical layout and placement of indoor and outdoor units.

Optional Parts and Tools

Lists optional parts, accessories, and tools required for installation.

Indoor Unit Installation Guide

Provides detailed steps for installing the indoor unit, including placement and wiring.

Outdoor Unit Installation Guide

Details the procedures and considerations for installing the outdoor unit.

Other Installation Tasks

Includes steps like gas leak tests and remote control setup.

How to Diagnose the Trouble

Initial Confirmation and Primary Checks

Outlines initial steps for confirming power supply and basic operation status.

LED Indicators and Fault Codes

Explains how to interpret LED flashes and check codes for self-diagnosis.

Symptom-Based Troubleshooting

Provides step-by-step guides for diagnosing common operational symptoms and failures.

Wiring and Component Checks

Guides on diagnosing issues related to wiring failures and checking specific components.

How to Replace the Main Parts

Indoor Unit Component Replacement

Step-by-step instructions for disassembling and replacing parts of the indoor unit.

Outdoor Unit Component Replacement

Detailed procedures for disassembling and replacing parts of the outdoor unit.

Exploded Views and Parts List

Indoor Unit Exploded View and Parts

Provides an exploded diagram and a list of parts for the indoor unit.

Outdoor Unit Exploded View and Parts

Offers an exploded diagram and a list of parts for the outdoor unit.

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