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RXJ20M5V1B
RXJ25M5V1B
RXJ35M5V1B
RXA20A5V1B
RXA25A5V1B
RXA35A5V1B
RXM20R5V1B
RXM25R5V1B
RXM35R5V1B
ARXM25R5V1B
ARXM35R5V1B
Installer reference guide
R32 Split system air conditioners
RXJ20M5V1B9
RXJ25M5V1B9
RXJ35M5V1B9
RXA20A5V1B9
RXA25A5V1B9
RXA35A5V1B9
RXM20R5V1B9
RXM25R5V1B9
RXM35R5V1B9
ARXM25R5V1B9
ARXM35R5V1B9
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Table of Contents
Related Manuals for Daikin RXA35A5V1B
Summarization of Contents
About the Documentation
Document Overview
Information about the content, audience, and related documentation for this guide.
General Safety Precautions
Warnings and Symbols
Explains the meaning of various warning, danger, and caution symbols used throughout the manual.
Installer Responsibilities
Outlines the general safety duties and considerations for authorized installers.
Installation Site Requirements
Details the essential criteria for selecting a suitable and safe installation location for the outdoor unit.
Installation Space Requirements
Specifies minimum floor area regulations and installation height considerations for safe operation.
Refrigerant Handling Safety
Covers safety precautions related to R32 refrigerant, including flammability and handling guidelines.
Electrical Installation Safety
Essential safety measures for electrical wiring, grounding, and connections to prevent hazards.
Specific Installer Safety Instructions
Unit Installation Safety
Specific safety warnings and precautions related to installing the outdoor unit.
Refrigerant Piping Safety
Highlights safety instructions for handling, connecting, and working with refrigerant piping.
Refrigerant Charging Safety
Safety warnings and cautions to be followed during the refrigerant charging process.
Electrical Wiring Safety
Detailed safety guidelines for electrical wiring, including grounding, component connections, and wire types.
Maintenance & Troubleshooting Safety
Safety precautions to observe before and during maintenance, service, and troubleshooting activities.
Outdoor Unit Packaging and Handling
Unpacking and Accessory Identification
Instructions for safely unpacking the unit and identifying included accessories.
About the Outdoor Unit
Unit Identification and Overview
Information on locating the unit's identification label and a general overview of unit features.
Outdoor Unit Installation
Installation Site Preparation
Guidelines for preparing the installation site, considering space, noise, and environmental factors.
Outdoor Unit Installation Site Requirements
Specific spacing and clearance requirements for the outdoor unit to ensure proper airflow and service access.
Installation Site Restrictions and Considerations
Lists prohibited installation locations and considerations for seaside or windy environments.
Opening and Closing the Unit
Instructions for safely accessing internal components by opening and closing the unit covers.
Mounting the Outdoor Unit
Detailed steps and safety precautions for securely mounting the outdoor unit to its foundation.
Installation Structure and Foundation
Guidance on ensuring a stable, level installation structure and using foundation bolts.
Drainage Provisions
Instructions for ensuring proper condensate water drainage and preventing ice accumulation.
Securing the Unit Against Tipping
Measures to prevent the outdoor unit from tilting or falling due to strong winds.
Refrigerant Piping Installation
Refrigerant Piping Requirements
Specifies material, diameter, and thickness standards for refrigerant piping.
Refrigerant Piping Insulation
Details the required insulation material and thickness for refrigerant pipes.
Piping Length and Height Limits
Outlines the maximum allowable length and height difference for refrigerant piping runs.
Connecting Refrigerant Piping
Overview of the workflow for connecting refrigerant piping between indoor and outdoor units.
Refrigerant Piping Connection Precautions
Safety guidelines and important considerations during the refrigerant pipe connection process.
Refrigerant Piping Connection Guidelines
Best practices for tightening flare nuts, using tools, and bending pipes correctly.
Flaring Pipe Ends Procedure
Detailed steps for properly flaring the ends of refrigerant pipes for secure connections.
Stop Valve and Service Port Handling
Guidance on the proper use and handling of stop valves and service ports on the unit.
Stop Valve Operation
Instructions for opening and closing the stop valves and handling the stem cap.
Connecting Piping to Outdoor Unit
Steps for connecting the refrigerant piping to the liquid and gas stop valves of the outdoor unit.
Checking Refrigerant Piping Integrity
Procedures for verifying the external refrigerant piping for leaks after installation.
Refrigerant Piping Check Precautions
Safety warnings and notices for performing leak tests and checks on the piping system.
Leak Detection Procedure
Detailed steps for performing a leak test on the refrigerant piping using a bubble solution.
Vacuum Drying Procedure
Step-by-step guide for performing vacuum drying to remove moisture and air from the refrigerant system.
Refrigerant Charging
Refrigerant Charging Overview
Introduces scenarios requiring additional or complete refrigerant charging for the system.
Charging Additional Refrigerant
Details the process for adding refrigerant when piping length exceeds specifications.
Complete Refrigerant Recharge
Outlines the steps for completely recharging the system after refrigerant recovery or leaks.
About Refrigerant R32
Information on R32 refrigerant properties, including flammability, GWP, and odorlessness.
Refrigerant Charging Precautions
Safety warnings and essential precautions to follow during the refrigerant charging process.
Calculating Refrigerant Amount
Methods for determining the additional refrigerant needed based on piping length and other factors.
Charging Additional Refrigerant Procedure
Step-by-step instructions for charging the required amount of additional refrigerant into the system.
Fluorinated Greenhouse Gases Labeling
Instructions for filling out and attaching the required gas label for regulatory compliance.
Electrical Installation
Connecting Electrical Wiring
Overview of the process for connecting electrical wiring to the outdoor unit.
Electrical Wiring Safety Precautions
Critical safety measures for connecting electrical wiring, including grounding and proper connections.
Electrical Wiring Connection Guidelines
Best practices for installing wire terminals and connecting different wire types securely.
Wiring Component Specifications
Details on cable types, sizes, tightening torques, and recommended circuit breakers.
Connecting Wiring to Outdoor Unit
Step-by-step guide for connecting the electrical wiring to the outdoor unit's terminal block.
Finishing Outdoor Unit Installation
Insulating and Securing Piping and Cables
Instructions for insulating and fixing refrigerant piping and electrical cables after connection.
Closing the Outdoor Unit Cover
Procedure for properly closing the outdoor unit cover with correct tightening torque.
Unit Configuration
Facility Setting Mode
Describes how to enable facility mode for cooling at low outdoor temperatures, with specific PCB jumper settings.
Standby Electricity Saving Function
Explains the function to reduce power consumption by setting the unit to standby saving mode.
Commissioning Procedures
Commissioning Safety Precautions
Safety warnings and important considerations before starting the commissioning process.
Pre-Commissioning Checklist
A checklist of items to verify before initiating unit commissioning, ensuring all installations are complete.
During Commissioning Checklist
A checklist of items to verify during the unit commissioning process, including air purge and test runs.
Performing a Test Run
Instructions on how to conduct a test run to verify proper operation of the unit in cooling or heating mode.
Starting Up the Outdoor Unit
Final steps for starting up the outdoor unit after commissioning and configuration are complete.
Handover to User
User Documentation and Information
Ensures the user receives and understands the provided documentation, operation, and maintenance information.
Maintenance and Service
Maintenance Safety Precautions
Safety guidelines to follow before and during maintenance or service activities on the unit.
Yearly Maintenance Checklist
A checklist of tasks for performing annual maintenance on the outdoor unit to ensure optimal performance.
Compressor Maintenance and Safety
Specific precautions and procedures related to the maintenance and servicing of the unit's compressor.
Troubleshooting Guide
Troubleshooting Safety Precautions
Safety measures to take before and during troubleshooting activities to prevent electrical or mechanical hazards.
Symptom-Based Troubleshooting
Guidance on diagnosing and resolving operational issues based on observed unit symptoms.
LED Fault Diagnosis
How to interpret LED indicators on the outdoor unit's PCB for diagnosing faults and operational status.
System Disposal
Disposal Procedures and Regulations
General information and legal requirements concerning the proper disposal of the air conditioning system.
Pump Down Procedure
Steps for safely pumping down refrigerant before unit relocation or disposal to protect the environment.
Forced Cooling Operation for Pump Down
Methods to initiate and stop forced cooling during pump down operations as part of the disposal process.
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