Daikin RXF20F5V1B - User Manual

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Installer reference guide

R32 split series

RXF20F5V1B

RXF25F5V1B

RXF35F5V1B

RXF42F5V1B

Main Page

Table of Contents2
About the Documentation4
About this Document4
Installer Reference Guide at a Glance5
General Safety Precautions6
About the Documentation6
Meaning of Warnings and Symbols6
For the Installer7
General7
Installation Site8
Instructions for Equipment Using R32 Refrigerant9
Refrigerant - in Case of R410A or R3211
Electrical13
Specific Installer Safety Instructions16
Installation17
About the Box21
Overview: about the Box21
Outdoor Unit22
To Unpack the Outdoor Unit22
To Remove the Accessories from the Outdoor Unit22
About the Units and Options24
Overview: about the Units and Options24
Identification24
Identification Label: Outdoor Unit24
Unit Installation25
In this Chapter25
Preparing the Installation Site25
Installation Site Requirements of the Outdoor Unit26
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates28
Opening the Units29
About Opening the Units29
To Open the Outdoor Unit29
Mounting the Outdoor Unit29
About Mounting the Outdoor Unit29
Precautions When Mounting the Outdoor Unit30
To Provide the Installation Structure30
To Install the Outdoor Unit30
To Provide Drainage31
To Prevent the Outdoor Unit from Falling over31
Piping Installation33
Preparing Refrigerant Piping33
Refrigerant Piping Requirements33
Refrigerant Piping Length and Height Difference33
Refrigerant Piping Insulation34
Connecting the Refrigerant Piping34
About Connecting the Refrigerant Piping34
Precautions When Connecting the Refrigerant Piping34
Guidelines When Connecting the Refrigerant Piping36
Pipe Bending Guidelines36
To Flare the Pipe End36
Using the Stop Valve and Service Port37
To Connect the Refrigerant Piping to the Outdoor Unit38
Checking the Refrigerant Piping39
About Checking the Refrigerant Piping39
Precautions When Checking the Refrigerant Piping39
To Check for Leaks40
To Perform Vacuum Drying40
Charging Refrigerant41
About Charging Refrigerant41
About the Refrigerant42
To Determine the Additional Refrigerant Amount43
To Determine the Complete Recharge Amount43
To Charge Additional Refrigerant44
To Fix the Fluorinated Greenhouse Gases Label44
Electrical Installation45
Preparing Electrical Wiring45
About Preparing Electrical Wiring45
Connecting the Electrical Wiring46
About Connecting the Electrical Wiring46
Precautions When Connecting the Electrical Wiring46
Guidelines When Connecting the Electrical Wiring47
Specifications of Standard Wiring Components48
To Connect the Electrical Wiring to the Outdoor Unit48
Finishing the Outdoor Unit Installation50
To Finish the Outdoor Unit Installation50
To Close the Outdoor Unit50
Commissioning51
Overview: Commissioning51
Precautions When Commissioning51
Checklist before Commissioning51
Checklist During Commissioning52
To Perform a Test Run52
Starting up the Outdoor Unit53
Hand-Over to the User54
Maintenance and Service55
Overview: Maintenance and Service55
Maintenance Safety Precautions55
Checklist for Yearly Maintenance of the Outdoor Unit55
Troubleshooting57
Overview: Troubleshooting57
Precautions When Troubleshooting57
Solving Problems Based on Symptoms57
Symptom: Indoor Units Fall, Vibrate or Make Noise57
Symptom: the Unit Is NOT Heating or Cooling as Expected58
Symptom: Water Leakage58
Symptom: Electrical Leakage58
Symptom: Unit Does NOT Function or Burn Damage58
Disposal59
Overview: Disposal59
To Pump down59
To Start and Stop Forced Cooling60
To Start and Stop Forced Cooling Using the Indoor Unit ON/OFF Switch60
To Start and Stop Forced Cooling Using the Indoor Unit User Interface60
Technical Data61
Wiring Diagram62
Unified Wiring Diagram Legend62
Glossary63

Brand	Daikin
Model	RXF20F5V1B
Category	Air Conditioner
Language	English

Daikin RXF20F5V1B - User Manual

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