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2MXM50A2V1B
Daikin 2MXM50A2V1B User Manual
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Specific installer safety instructions
Installer reference guide
20
2MXM40+50A
R32 Split series
4P600463-4E – 2021.12
DANGER: RISK OF ELECTROCUTION
▪
When
the
unit
is
NOT
operating,
the
LEDs
on
the
PCB
are
turned
OFF
in
order
to
save power.
▪
Even when the LEDs are OFF, the terminal block and the PCB may be powered.
19
21
Table of Contents
Table of Contents
2
About the Documentation
4
About this Document
4
Meaning of Warnings and Symbols
5
General Safety Precautions
7
For the Installer
7
General
7
Installation Site
8
Refrigerant - in Case of R410A or R32
11
Electrical
12
Specific Installer Safety Instructions
15
About the Box
21
Overview: about the Box
21
Outdoor Unit
21
To Unpack the Outdoor Unit
21
To Handle the Outdoor Unit
21
To Remove the Accessories from the Outdoor Unit
22
About the Unit
23
Identification
23
Identification Label: Outdoor Unit
23
Unit Installation
24
Preparing the Installation Site
24
Installation Site Requirements of the Outdoor Unit
25
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
27
Opening the Unit
28
About Opening the Unit
28
To Open the Outdoor Unit
28
Mounting the Outdoor Unit
28
About Mounting the Outdoor Unit
28
Precautions When Mounting the Outdoor Unit
29
To Provide the Installation Structure
29
To Install the Outdoor Unit
30
To Provide Drainage
30
To Prevent the Outdoor Unit from Falling over
31
Piping Installation
32
Preparing Refrigerant Piping
32
Refrigerant Piping Requirements
32
Refrigerant Piping Insulation
33
Refrigerant Piping Length and Height Difference
33
Connecting the Refrigerant Piping
34
About Connecting the Refrigerant Piping
34
Precautions When Connecting the Refrigerant Piping
34
Guidelines When Connecting the Refrigerant Piping
36
Pipe Bending Guidelines
36
To Flare the Pipe End
36
Connections between Outdoor and Indoor Unit Using Reducers
37
Using the Stop Valve and Service Port
38
To Connect the Refrigerant Piping to the Outdoor Unit
39
Checking the Refrigerant Piping
40
About Checking the Refrigerant Piping
40
Precautions When Checking the Refrigerant Piping
40
To Check for Leaks
41
To Perform Vacuum Drying
41
Charging Refrigerant
43
About Charging Refrigerant
43
About the Refrigerant
44
Precautions When Charging Refrigerant
45
To Determine the Additional Refrigerant Amount
45
To Determine the Complete Recharge Amount
45
To Charge Additional Refrigerant
45
To Fix the Fluorinated Greenhouse Gases Label
46
Electrical Installation
47
About Connecting the Electrical Wiring
47
Precautions When Connecting the Electrical Wiring
47
Guidelines When Connecting the Electrical Wiring
49
Specifications of Standard Wiring Components
50
To Connect the Electrical Wiring to the Outdoor Unit
50
Finishing the Outdoor Unit Installation
52
To Finish the Outdoor Unit Installation
52
To Close the Outdoor Unit
52
Configuration
53
About ECONO Mode Prohibition Setting
53
To Turn on ECONO Mode Prohibition Setting
53
About Night Quiet Mode
54
To Turn on the Night Quiet Mode
54
About Heat Mode Lock
54
To Turn on Heat Mode Lock
54
About Standby Electricity Saving Function
55
To Turn on Standby Electricity Saving Function
55
Commissioning
56
Overview: Commissioning
56
Precautions When Commissioning
56
Checklist before Commissioning
57
Checklist During Commissioning
57
Trial Operation and Testing
58
To Perform a Test Run
58
Starting up the Outdoor Unit
58
Hand-Over to the User
59
Maintenance and Service
60
Overview: Maintenance and Service
60
Maintenance Safety Precautions
60
Checklist for Yearly Maintenance of the Outdoor Unit
61
About the Compressor
61
Troubleshooting
62
Overview: Troubleshooting
62
Precautions When Troubleshooting
62
Solving Problems Based on Symptoms
62
Symptom: Indoor Units Fall, Vibrate or Make Noise
62
Symptom: the Unit Is NOT Heating or Cooling as Expected
63
Symptom: Water Leakage
63
Symptom: Electrical Leakage
63
Symptom: Unit Does NOT Function or Burn Damage
63
Solving Problems Based on LED Behaviour
63
Fault Diagnosis Using LED on Outdoor Unit PCB
63
Disposal
65
Overview: Disposal
65
To Pump down
65
To Start and Stop Forced Cooling
66
To Start and Stop Forced Cooling Using the Indoor Unit ON/OFF Switch
66
To Start and Stop Forced Cooling Using the Indoor Unit User Interface
66
Technical Data
67
Wiring Diagram
67
Unified Wiring Diagram Legend
67
Piping Diagram: Outdoor Unit
69
Glossary
71
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Daikin 2MXM50A2V1B Specifications
General
Brand
Daikin
Model
2MXM50A2V1B
Category
Air Conditioner
Language
English
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