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Daikin RZQSG100L8Y1B User Manual

Daikin RZQSG100L8Y1B
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

Other manuals for Daikin RZQSG100L8Y1B

Questions and Answers:

Daikin RZQSG100L8Y1B Specifications

General IconGeneral
ModelRZQSG100L8Y1B
CategoryAir Conditioner
TypeSplit System
Cooling Capacity9.5 kW
Heating Capacity10.8 kW
COP3.61
Outdoor Unit Noise Level52 dB(A)
Cooling Capacity (BTU/h)32400 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR-410A
Operating Temperature (Cooling)-10°C to 46°C

Summary

Introduction

Version log

Details the version history of the service manual, including release dates and changes.

Safety Cautions

Provides essential safety warnings and precautions for handling the equipment and performing repairs.

Cautions Regarding Safety of Workers

Specific safety guidelines and warnings relevant to personnel performing repair work.

Cautions Regarding Safety of Users

Important safety instructions and warnings for the end-users of the equipment.

Used Icons

Explains the meaning of various icons used throughout the manual for clarity.

Preface

Introduction to the service manual and its scope for the RZQG-L & RZQSG-L series.

Part 1 General Information

Model Names of Indoor / Outdoor Units

Identifies available indoor and outdoor unit models and their combinations.

Outlook Outdoor Units

Provides visual representations of different outdoor unit models.

Operating range

Defines the limits for cooling and heating operation based on temperature.

Part 2 Remote Controller

Wired Remote Controller

Details on wired remote controllers, including applicable models and functions.

Names and Functions

Explains the buttons and display elements of the wired remote controller.

MAIN/SUB Setting when Using 2 Remote Controllers

Configuration procedure for using two remote controllers with one indoor unit.

Centralized Control Group No. Setting

How to set group numbers for centralized control systems.

Wireless Remote Controller

Information on wireless remote controllers, including applicable models and functions.

MAIN/SUB Setting

Procedure for setting wireless remote controllers as MAIN or SUB.

Service Mode

Accessing and using the service mode for maintenance.

BRC1D528

Specific service mode functions for the BRC1D528 controller.

BRC1E52/53

Specific service mode functions for the BRC1E52/53 controller.

Part 3 Function and Control

Function of Main Components and Thermistors

Explains the role of key components and thermistors in the system.

Operation Flow Chart

Visual logic diagrams for cooling, dry, and heating operations.

Function Details

In-depth explanation of various operational functions.

Indoor Unit

Details on indoor unit specific functions like thermostat and fan speed.

Outdoor Unit

Details on outdoor unit specific functions like abnormal stops and restart.

Abnormal Stop

Conditions and reasons for abnormal unit shutdown.

Restart Standby

Procedure for unit restart after a stop.

Low Pressure Protection Control

System protection against low pressure conditions.

High Pressure Protection Control

System protection against high pressure conditions.

Defrost Operation

Procedure and conditions for defrost operation.

Emergency Operation

Modes and procedures for emergency operation.

Part 4 Field Setting

Test Operation

Steps and precautions for performing initial system tests.

Pre-run Checks

Essential checks before conducting test operations.

Remote Controller Confirmation

Verifying remote controller settings before operation.

Test Run

Detailed procedure for executing the test run.

Precautions Regarding Test Run

Important safety and operational notes for test runs.

Failure Diagnosis at the Moment of First Installation

Initial troubleshooting for installation-related failures.

Field Setting from Remote Controller

Configuring system parameters using the remote controller.

Wired Remote Controller

Specific field setting procedures for wired controllers.

BRC1D528

Step-by-step guide for setting mode on BRC1D528.

BRC1E52

Step-by-step guide for setting mode on BRC1E52.

Remote controller settings

Table of configurable settings for remote controllers.

Wireless Remote Controller

Procedure for setting wireless remote controllers.

Settings Contents and Code No. for Indoor Units

Details on indoor unit settings and their corresponding codes.

Overview of the Field Setting on the Outdoor Units

Summary of field settings applicable to outdoor units.

Quiet (Low Noise) Operation

How to configure settings for quieter operation.

I-Demand Function

Function to limit power consumption based on demand signals.

Setting for Low Humidity Application

Configuration for low humidity environments to improve capacity.

Field Setting from Outdoor Unit PCB

Configuring settings directly via the outdoor unit PCB.

Location of DIP Switch and BS Button

Identification of physical controls on the outdoor unit PCB.

Field Setting by BS Buttons

Procedures for making settings using BS buttons.

Setting Mode 2

Detailed steps for configuring settings in Mode 2.

Part 5 Service Diagnosis

Maintenance Inspection

Procedures for routine maintenance checks.

Symptom-based Troubleshooting

Diagnosing issues based on observed symptoms.

Equipment does not Operate

Troubleshooting steps when the equipment fails to start.

Indoor Unit Fan Operates, but Compressor does not Operate

Diagnosing issues when only the fan runs.

Cooling / Heating Operation Starts but Stops Immediately

Troubleshooting intermittent operation.

After Unit Shuts Down, It cannot be Restarted for a While

Diagnosing problems with unit restart.

Equipment Operates but does not Provide Cooling

Troubleshooting lack of cooling.

Equipment Operates but does not Provide Heating

Troubleshooting lack of heating.

Equipment Discharges White Mist

Troubleshooting white mist discharge.

Equipment Produces Loud Noise or Vibration

Troubleshooting noise and vibration issues.

Remote Controller LCD Displays "88"

Troubleshooting the "88" display error on the remote controller.

Troubleshooting by LED Indications

Using LED indicators for troubleshooting.

Troubleshooting by LED on the Indoor Unit

Diagnosing issues using indoor unit LEDs.

Troubleshooting by LED on Outdoor Unit PCB

Diagnosing issues using outdoor unit PCB LEDs.

Troubleshooting by Remote Controller

Using the remote controller for troubleshooting.

Procedure of Self-diagnosis by Remote Controller

Steps for performing self-diagnosis.

Error Codes and Description

Comprehensive list of error codes and their explanations.

Indoor Unit PCB Abnormality

Troubleshooting indoor unit PCB failures.

Drain Water Level System Abnormality

Troubleshooting drain water level errors.

Indoor Unit Fan Motor Abnormality

Troubleshooting indoor fan motor issues.

Capacity Setting Abnormality

Troubleshooting errors related to capacity setting.

Transmission Error (between Indoor Unit PCB and Adaptor PCB)

Diagnosing transmission errors between PCBs.

Thermistor Abnormality

Troubleshooting thermistor related errors.

Humidity Sensor System Abnormality

Troubleshooting humidity sensor system errors.

Malfunction of Motion Sensor / Floor Temperature Sensor

Troubleshooting motion and floor sensors.

Outdoor Unit PCB Abnormality

Troubleshooting outdoor unit PCB failures.

High Pressure Abnormality (Detected by the High Pressure Switch)

Troubleshooting high pressure switch related issues.

Actuation of Pressure Sensor

Troubleshooting pressure sensor actuation.

Compressor Motor Lock

Troubleshooting compressor motor lock.

Outdoor Unit Fan Motor Abnormality

Troubleshooting outdoor fan motor issues.

Electronic Expansion Valve Abnormality

Troubleshooting electronic expansion valve errors.

Discharge Pipe Temperature Control

Control based on discharge pipe temperature.

High Pressure Switch System Abnormality

Troubleshooting high pressure switch system.

Low Pressure Switch System Abnormality

Troubleshooting low pressure switch system.

Thermistor System Abnormality

General troubleshooting for thermistor system errors.

Outdoor Unit PCB Abnormality

Troubleshooting errors related to the outdoor unit PCB.

Output Overcurrent Detection

Troubleshooting overcurrent detection.

Stall Prevention (Time Lag)

Troubleshooting stall prevention.

Transmission System Abnormality (between Control and Inverter PCB)

Diagnosing transmission issues between control and inverter PCBs.

Open Phase or Power Supply Voltage Imbalance

Troubleshooting power supply imbalances.

Defective Capacity Setting

Troubleshooting errors in capacity setting.

Refrigerant Shortage (Alert)

Alert for refrigerant shortage.

Refrigerant Shortage (Error)

Error code for refrigerant shortage.

Power Supply Voltage Abnormality

Troubleshooting power supply voltage issues.

Transmission Error Between Remote Controller and Indoor Unit

Troubleshooting transmission errors between remote and indoor units.

Transmission Error between MAIN Remote Controller and SUB Remote Controller

Troubleshooting transmission errors between main and sub remote controllers.

Field Setting Switch Abnormality

Troubleshooting errors related to field setting switches.

“UC” Address Duplication of Centralized Controller

Diagnosing address duplication in centralized controllers.

Transmission Error Between Centralized Controller and Indoor Unit

Troubleshooting transmission errors between centralized and indoor units.

Part 6 Appendix

Piping Diagrams

Visual representations of system piping.

RZQG-L9V1

Specific piping diagram for the RZQG-L9V1 model.

Wiring Diagrams

Visual representations of system wiring.

Outdoor Unit

Wiring diagram for the outdoor unit.

Thermodynamic characteristic of R-410A

Technical data on R-410A refrigerant properties.

Removing the switchbox

Procedure for safely removing the switchbox.

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