Daikin ARXM25N2V1B9 - User Manual

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Installer reference guide

R32 split series

English

Installer reference guide

R32 split series

ARXM25N2V1B9

ARXM35N2V1B9

RXM20N2V1B9

RXM25N2V1B9

RXM35N2V1B9

Main Page

Table of Contents2
General Safety Precautions2
About the Documentation2
Meaning of Warnings and Symbols3
For the Installer3
General3
Installation Site3
Refrigerant5
Brine6
Water6
Electrical6
About the Documentation7
About this Document7
Installer Reference Guide at a Glance7
About the Box7
Overview: about the Box7
Outdoor Unit7
To Unpack the Outdoor Unit7
To Remove the Accessories from the Outdoor Unit8
About the Unit8
Overview: about the Unit8
Identification8
Identification Label: Outdoor Unit8
Preparation8
Overview: Preparation8
Preparing the Installation Site8
Installation Site Requirements of the Outdoor Unit9
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates10
Refrigerant Piping Length and Height Difference10
Preparing Refrigerant Piping10
Refrigerant Piping Requirements10
Refrigerant Piping Insulation10
Preparing Electrical Wiring11
About Preparing Electrical Wiring11
Installation11
Overview: Installation11
Opening the Unit11
About Opening the Unit11
To Open the Outdoor Unit11
Mounting the Outdoor Unit11
About Mounting the Outdoor Unit11
Precautions When Mounting the Outdoor Unit11
To Install the Outdoor Unit12
To Provide Drainage12
To Prevent the Outdoor Unit from Falling over12
Connecting the Refrigerant Piping12
About Connecting the Refrigerant Piping12
Precautions When Connecting the Refrigerant Piping13
Guidelines When Connecting the Refrigerant Piping13
Pipe Bending Guidelines13
To Flare the Pipe End13
Using the Stop Valve and Service Port14
To Connect the Refrigerant Piping to the Outdoor Unit14
Checking the Refrigerant Piping15
About Checking the Refrigerant Piping15
Precautions When Checking the Refrigerant Piping15
To Check for Leaks15
To Perform Vacuum Drying15
Charging Refrigerant16
About Charging Refrigerant16
About the Refrigerant16
Precautions When Charging Refrigerant16
To Determine the Additional Refrigerant Amount16
To Determine the Complete Recharge Amount17
To Charge Additional Refrigerant17
To Fix the Fluorinated Greenhouse Gases Label17
Connecting the Electrical Wiring17
About Connecting the Electrical Wiring17
Precautions When Connecting the Electrical Wiring17
Guidelines When Connecting the Electrical Wiring18
Specifications of Standard Wiring Components18
To Connect the Electrical Wiring on the Outdoor Unit18
Finishing the Outdoor Unit Installation19
To Finish the Outdoor Unit Installation19
To Close the Outdoor Unit19
About the Compressor19
Commissioning19
Overview: Commissioning19
Precautions When Commissioning19
Checklist before Commissioning19
Checklist During Commissioning20
To Perform a Test Run20
Starting up the Outdoor Unit20
Configuration20
Facility Setting20
To Set the Facility Mode20
Hand-Over to the User20
Maintenance and Service20
Overview: Maintenance and Service21
Maintenance Safety Precautions21
Checklist for Yearly Maintenance of the Outdoor Unit21
Troubleshooting21
Overview: Troubleshooting21
Precautions When Troubleshooting21
Solving Problems Based on Symptoms21
Symptom: Indoor Units Fall, Vibrate or Make Noise21
Symptom: the Unit Is NOT Heating or Cooling as Expected21
Symptom: Water Leakage21
Symptom: Unit Does NOT Function or Burn Damage22
Fault Diagnosis Using LED on Outdoor Unit PCB22
12 Disposal22
Overview: Disposal22
To Pump down22
To Start and Stop Forced Cooling22
To Start/Stop Forced Cooling Using the Indoor Unit ON/OFF Switch22
To Start/Stop Forced Cooling Using the Indoor Unit User Interface23
13 Technical Data24
Wiring Diagram24
14 Glossary25

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Daikin ARXM25N2V1B9 Specifications

General

Brand	Daikin
Model	ARXM25N2V1B9
Category	Air Conditioner
Language	English

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Daikin ARXM25N2V1B9 - User Manual

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