Name: Daikin 2MXM50A2V1B
Brand: Daikin
Rating: 4 (1 reviews)

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Installer reference guide

R32 Split series

2MXM40A2V1B

2MXM50A2V1B

Table of Contents2
About the Documentation4
About this Document4
Meaning of Warnings and Symbols5
General Safety Precautions7
For the Installer7
General7
Installation Site8
Refrigerant - in Case of R410A or R3211
Electrical12
Specific Installer Safety Instructions15
About the Box21
Overview: about the Box21
Outdoor Unit21
To Unpack the Outdoor Unit21
To Handle the Outdoor Unit21
To Remove the Accessories from the Outdoor Unit22
About the Unit23
Identification23
Identification Label: Outdoor Unit23
Unit Installation24
Preparing the Installation Site24
Installation Site Requirements of the Outdoor Unit25
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates27
Opening the Unit28
About Opening the Unit28
To Open the Outdoor Unit28
Mounting the Outdoor Unit28
About Mounting the Outdoor Unit28
Precautions When Mounting the Outdoor Unit29
To Provide the Installation Structure29
To Install the Outdoor Unit30
To Provide Drainage30
To Prevent the Outdoor Unit from Falling over31
Piping Installation32
Preparing Refrigerant Piping32
Refrigerant Piping Requirements32
Refrigerant Piping Insulation33
Refrigerant Piping Length and Height Difference33
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
Connections between Outdoor and Indoor Unit Using Reducers37
Using the Stop Valve and Service Port38
To Connect the Refrigerant Piping to the Outdoor Unit39
Checking the Refrigerant Piping40
About Checking the Refrigerant Piping40
Precautions When Checking the Refrigerant Piping40
To Check for Leaks41
To Perform Vacuum Drying41
Charging Refrigerant43
About Charging Refrigerant43
About the Refrigerant44
Precautions When Charging Refrigerant45
To Determine the Additional Refrigerant Amount45
To Determine the Complete Recharge Amount45
To Charge Additional Refrigerant45
To Fix the Fluorinated Greenhouse Gases Label46
Electrical Installation47
About Connecting the Electrical Wiring47
Precautions When Connecting the Electrical Wiring47
Guidelines When Connecting the Electrical Wiring49
Specifications of Standard Wiring Components50
To Connect the Electrical Wiring to the Outdoor Unit50
Finishing the Outdoor Unit Installation52
To Finish the Outdoor Unit Installation52
To Close the Outdoor Unit52
Configuration53
About ECONO Mode Prohibition Setting53
To Turn on ECONO Mode Prohibition Setting53
About Night Quiet Mode54
To Turn on the Night Quiet Mode54
About Heat Mode Lock54
To Turn on Heat Mode Lock54
About Standby Electricity Saving Function55
To Turn on Standby Electricity Saving Function55
Commissioning56
Overview: Commissioning56
Precautions When Commissioning56
Checklist before Commissioning57
Checklist During Commissioning57
Trial Operation and Testing58
To Perform a Test Run58
Starting up the Outdoor Unit58
Hand-Over to the User59
Maintenance and Service60
Overview: Maintenance and Service60
Maintenance Safety Precautions60
Checklist for Yearly Maintenance of the Outdoor Unit61
About the Compressor61
Troubleshooting62
Overview: Troubleshooting62
Precautions When Troubleshooting62
Solving Problems Based on Symptoms62
Symptom: Indoor Units Fall, Vibrate or Make Noise62
Symptom: the Unit Is NOT Heating or Cooling as Expected63
Symptom: Water Leakage63
Symptom: Electrical Leakage63
Symptom: Unit Does NOT Function or Burn Damage63
Solving Problems Based on LED Behaviour63
Fault Diagnosis Using LED on Outdoor Unit PCB63
Disposal65
Overview: Disposal65
To Pump down65
To Start and Stop Forced Cooling66
To Start and Stop Forced Cooling Using the Indoor Unit ON/OFF Switch66
To Start and Stop Forced Cooling Using the Indoor Unit User Interface66
Technical Data67
Wiring Diagram67
Unified Wiring Diagram Legend67
Piping Diagram: Outdoor Unit69
Glossary71

Brand	Daikin
Model	2MXM50A2V1B
Category	Air Conditioner
Language	English

Daikin 2MXM50A2V1B User Manual

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