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4MXM-N9
Daikin 4MXM-N9 User Manual
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About the box
Installer reference guide
22
2MXM68+3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1C – 2020.08
1
2
4.2.2
To remove the accessories from the outdoor unit
1
Lift the outdoor unit.
CAUTION
Only handle the outdoor unit as follows:
2
Remove the accessories at the bottom of the package.
1×
1×
1×
1×
6×
1×
a
1×
b
c
d
e
3×
1×
1×
i
j
g
h
f
21
23
Table of Contents
Table of Contents
2
About the Documentation
4
About this Document
4
General Safety Precautions
5
About the Documentation
5
Meaning of Warnings and Symbols
5
For the Installer
6
General
6
Installation Site
7
Refrigerant - in Case of R410A or R32
11
Brine
12
Water
13
Electrical
13
Specific Installer Safety Instructions
16
About the Box
21
Overview: about the Box
21
Outdoor Unit
21
To Unpack the Outdoor Unit
21
To Remove the Accessories from the Outdoor Unit
22
About the Unit
24
Overview: about the Unit
24
Identification
24
Identification Label: Outdoor Unit
24
Unit Installation
25
Preparing the Installation Site
25
Installation Site Requirements of the Outdoor Unit
26
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
28
Opening the Unit
29
About Opening the Unit
29
To Open the Outdoor Unit
29
Mounting the Outdoor Unit
29
About Mounting the Outdoor Unit
29
Precautions When Mounting the Outdoor Unit
30
To Provide the Installation Structure
30
To Install the Outdoor Unit
31
To Provide Drainage
31
To Prevent the Outdoor Unit from Falling over
32
Piping Installation
33
Preparing Refrigerant Piping
33
Refrigerant Piping Requirements
33
Refrigerant Piping Insulation
34
Refrigerant Piping Length and Height Difference
35
Connecting the Refrigerant Piping
36
About Connecting the Refrigerant Piping
36
Precautions When Connecting the Refrigerant Piping
36
Guidelines When Connecting the Refrigerant Piping
38
Pipe Bending Guidelines
38
To Flare the Pipe End
39
Connections between Outdoor and Indoor Unit Using Reducers
39
Using the Stop Valve and Service Port
42
To Connect the Refrigerant Piping to the Outdoor Unit
43
Checking the Refrigerant Piping
44
About Checking the Refrigerant Piping
44
Precautions When Checking the Refrigerant Piping
44
To Check for Leaks
45
To Perform Vacuum Drying
45
Charging Refrigerant
47
About Charging Refrigerant
47
About the Refrigerant
48
Precautions When Charging Refrigerant
49
To Determine the Additional Refrigerant Amount
49
To Determine the Complete Recharge Amount
49
To Charge Additional Refrigerant
50
To Fix the Fluorinated Greenhouse Gases Label
50
Electrical Installation
51
About Connecting the Electrical Wiring
51
Precautions When Connecting the Electrical Wiring
51
Guidelines When Connecting the Electrical Wiring
53
Specifications of Standard Wiring Components
54
To Connect the Electrical Wiring to the Outdoor Unit
55
Finishing the Outdoor Unit Installation
57
To Finish the Outdoor Unit Installation
57
To Close the Outdoor Unit
57
Configuration
58
About Standby Electricity Saving Function
58
To Turn on Standby Electricity Saving Function
58
About Priority Room Function
59
To Set the Priority Room Function
59
About Night Quiet Mode
59
To Turn on the Night Quiet Mode
59
About Heat Mode Lock
60
To Turn on Heat Mode Lock
60
About Cool Mode Lock
60
To Turn on Cool Mode Lock
60
Commissioning
62
Overview: Commissioning
62
Precautions When Commissioning
62
Checklist before Commissioning
62
Checklist During Commissioning
63
Trial Operation and Testing
63
About Wiring Error Check
64
To Perform a Test Run
65
Starting up the Outdoor Unit
65
Hand-Over to the User
66
Maintenance and Service
67
Overview: Maintenance and Service
67
Maintenance Safety Precautions
67
Checklist for Yearly Maintenance of the Outdoor Unit
67
About the Compressor
68
Troubleshooting
69
Overview: Troubleshooting
69
Precautions When Troubleshooting
69
Solving Problems Based on Symptoms
69
Symptom: Indoor Units Fall, Vibrate or Make Noise
69
Symptom: the Unit Is NOT Heating or Cooling as Expected
70
Symptom: Water Leakage
70
Symptom: Electrical Leakage
70
Symptom: Priority Room Setting Does NOT Function
70
Symptom: Unit Does NOT Function or Burn Damage
70
Solving Problems Based on LED Behaviour
71
Fault Diagnosis Using LED on Outdoor Unit PCB
71
Disposal
73
Overview: Disposal
73
To Pump down
73
To Start and Stop Forced Cooling
74
Technical Data
76
Wiring Diagram
76
Unified Wiring Diagram Legend
76
Piping Diagram: Outdoor Unit
78
Glossary
83
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Daikin 4MXM-N9 Specifications
General
Brand
Daikin
Model
4MXM-N9
Category
Air Conditioner
Language
English
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