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Daikin RZQG71L8Y1B User Manual

Daikin RZQG71L8Y1B
215 pages
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Service Manual
GQI-Eco Series
Heat Pump R-410A 50Hz
Smart RZQG71~140L9V1
RZQG71~125L9Y1 / RZQG140LY1
Classic RZQSG71L3V1 / RZQSG100~140L9V1
RZQSG100~125L8Y1 / RZQSG140LY1
ESIE15-13B

Table of Contents

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Daikin RZQG71L8Y1B Specifications

General IconGeneral
BrandDaikin
ModelRZQG71L8Y1B
CategoryAir Conditioner
LanguageEnglish

Summary

Service Manual Daikin GQI-Eco Series

Introduction

Version Log

Details of manual version history and release dates for updates.

Safety Cautions

Essential safety warnings and precautions for handling the equipment and performing repairs.

Used Icons

Part 1 General Information

Model Names of Indoor / Outdoor Units

Lists model names for indoor and outdoor units, including combination possibilities.

Outlook Outdoor Units

Visual overview of the different outdoor unit models available for the series.

Operating Range

Defines the operational temperature and humidity limits for Smart, Classic, and EDP models.

Part 2 Remote Controller

Wired Remote Controller

Details on applicable models, names, functions, and settings for wired remote controllers.

Wireless Remote Controller

Information on applicable models, names, functions, and settings for wireless remote controllers.

Service Mode

Procedures for accessing and using service modes for BRC1D528 and BRC1E52/53 controllers.

Inspection Mode

Instructions for operating the inspection mode on BRC1D528 and BRC1E52/53 controllers.

Part 3 Function and Control

Main Components and Thermistors Function

Explanation of the function of main components and thermistors in the RZQG-L9V1 pair application.

Operation Flow Chart

Diagrams illustrating the sequence of operations for cooling/dry and heating modes.

Function Details

Detailed explanations of indoor and outdoor unit functions, including temperature control and operation modes.

Part 4 Field Setting

Test Operation

Procedures for pre-run checks, remote controller confirmation, and performing test runs.

Field Setting from Remote Controller

Instructions for configuring settings using wired and wireless remote controllers.

Field Setting from Outdoor Unit PCB

Details on using DIP switches and BS buttons on the outdoor unit PCB for various settings.

Emergency Operation

Methods for forced operation and test operation in emergency scenarios.

Part 5 Service Diagnosis

Maintenance Inspection

Guidelines for performing routine maintenance inspections on the unit.

Symptom-based Troubleshooting

Troubleshooting guide based on observed symptoms of equipment malfunction.

Troubleshooting by LED Indications

Using LED indicators on indoor and outdoor units to diagnose problems and identify error codes.

Troubleshooting by Remote Controller

Procedures for self-diagnosis, interpreting error codes, and resolving issues via the remote controller.

Part 6 Appendix

Piping Diagrams

Schematic diagrams illustrating the refrigerant piping for the RZQG-L9V1 model.

Wiring Diagrams

Electrical wiring diagrams for the outdoor unit, detailing connections for RZQG71L and RZQG100-140L.

Thermodynamic Characteristics of R-410A

Table showing thermodynamic properties of R-410A refrigerant at various temperatures and pressures.

Removing the Switchbox

Step-by-step instructions for safely removing and mounting the switchbox components.

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