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RXF20D5V1B
Daikin RXF20D5V1B User Manual
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About the box
Installer reference guide
19
RXF20~42D5V1B + ARXF20~42D5V1B
Daikin room air conditioner
4P519439-17R – 2021.12
1
2
WARNING
Make
sure
installation,
servicing,
maintenance
and
repair
comply
with
instructions
from
Daikin
and
with
applicable
legislation
and
are
executed
ONLY
by
authorised
persons.
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.
18
20
Table of Contents
Table of Contents
2
About the Documentation
4
About this Document
4
Installer Reference Guide at a Glance
5
General Safety Precautions
6
About the Documentation
6
Meaning of Warnings and Symbols
6
For the Installer
7
General
7
Installation Site
8
Refrigerant - in Case of R410A or R32
11
Electrical
13
Specific Installer Safety Instructions
16
About the Box
18
Overview: about the Box
18
Outdoor Unit
18
To Unpack the Outdoor Unit
18
To Remove the Accessories from the Outdoor Unit
19
About the Units and Options
21
Overview: about the Units and Options
21
Identification
21
Identification Label: Outdoor Unit
21
Unit Installation
22
Preparing the Installation Site
22
Installation Site Requirements of the Outdoor Unit
23
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates
25
Opening the Units
26
About Opening the Units
26
To Open the Outdoor Unit
26
Mounting the Outdoor Unit
26
About Mounting the Outdoor Unit
26
Precautions When Mounting the Outdoor Unit
27
To Provide the Installation Structure
27
To Install the Outdoor Unit
27
To Provide Drainage
28
To Prevent the Outdoor Unit from Falling over
28
Piping Installation
30
Preparing Refrigerant Piping
30
Refrigerant Piping Requirements
30
Refrigerant Piping Length and Height Difference
30
Refrigerant Piping Insulation
31
Connecting the Refrigerant Piping
31
About Connecting the Refrigerant Piping
31
Precautions When Connecting the Refrigerant Piping
31
Guidelines When Connecting the Refrigerant Piping
33
Pipe Bending Guidelines
33
To Flare the Pipe End
33
Using the Stop Valve and Service Port
34
To Connect the Refrigerant Piping to the Outdoor Unit
36
Checking the Refrigerant Piping
36
About Checking the Refrigerant Piping
36
Precautions When Checking the Refrigerant Piping
37
To Check for Leaks
37
To Perform Vacuum Drying
37
Charging Refrigerant
39
About Charging Refrigerant
39
About the Refrigerant
40
To Determine the Additional Refrigerant Amount
40
To Determine the Complete Recharge Amount
41
To Charge Additional Refrigerant
41
To Fix the Fluorinated Greenhouse Gases Label
41
Electrical Installation
43
Preparing Electrical Wiring
43
About Preparing Electrical Wiring
43
Connecting the Electrical Wiring
44
About Connecting the Electrical Wiring
44
Precautions When Connecting the Electrical Wiring
44
Guidelines When Connecting the Electrical Wiring
45
Specifications of Standard Wiring Components
46
To Connect the Electrical Wiring to the Outdoor Unit
46
Finishing the Outdoor Unit Installation
47
To Finish the Outdoor Unit Installation
47
To Close the Outdoor Unit
47
Commissioning
48
Overview: Commissioning
48
Precautions When Commissioning
48
Checklist before Commissioning
48
Checklist During Commissioning
49
To Perform a Test Run
49
Starting up the Outdoor Unit
50
Hand-Over to the User
51
Maintenance and Service
52
Overview: Maintenance and Service
52
Maintenance Safety Precautions
52
Checklist for Yearly Maintenance of the Outdoor Unit
52
Troubleshooting
54
Overview: Troubleshooting
54
Precautions When Troubleshooting
54
Solving Problems Based on Symptoms
54
Symptom: Indoor Units Fall, Vibrate or Make Noise
54
Symptom: the Unit Is NOT Heating or Cooling as Expected
55
Symptom: Water Leakage
55
Symptom: Electrical Leakage
55
Symptom: Unit Does NOT Function or Burn Damage
55
Disposal
56
Overview: Disposal
56
To Pump down
56
To Start and Stop Forced Cooling
57
To Start and Stop Forced Cooling Using the Indoor Unit ON/OFF Switch
57
To Start and Stop Forced Cooling Using the Indoor Unit User Interface
57
Technical Data
58
Wiring Diagram
59
Glossary
60
4
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Daikin RXF20D5V1B Specifications
General
Brand
Daikin
Model
RXF20D5V1B
Category
Air Conditioner
Language
English
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