Daikin RN80HY1(4) - User Manual

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TECHNICAL MANUAL

Split Systems Air Conditioner

Ducted Blower H Series

FDN/FGN-H Series

— Cooling Only [50Hz] —

R410A

TM-5SBH-MSS-STA3

Supersede : TM-5SBH-MSS-STA2

Questions and Answers

A
Austin MorganAug 14, 2025
Why is my Daikin Air Conditioner airflow so weak and not cooling the room?
- D
  Dr. Brenda Little MDAug 14, 2025
  If your Daikin Air Conditioner's airflow is too slow, or the room isn't cooling enough, several factors could be at play. First, check the air filter; a dirty filter can significantly impede airflow, so clean it. Ensure that all doors and windows are closed to prevent warm air from entering the room. Also, make sure that neither the air suction nor the discharge vents of the indoor and outdoor units are blocked. Finally, verify that the temperature setting is appropriately low.
T
Tracey BishopAug 17, 2025
Why does my Daikin Air Conditioner discharge airflow have a bad odor?
- M
  Mary BowenAug 17, 2025
  If your Daikin Air Conditioner emits a bad odor, it could be due to smoke particles, perfume, or other substances that have stuck to the coil. It is recommended to contact your nearest dealer.
M
Michael RobertsAug 21, 2025
How to restart Daikin RN80HY1(4) Air Conditioner after power failure?
- K
  karen17Aug 21, 2025
  If your Daikin Air Conditioner unit doesn't turn back on after a power outage, try turning on the unit using the wireless or wired controller.
P
pamelawillisAug 25, 2025
What to do if water is flowing out from my Daikin RN80HY1(4)?
- J
  Jamie LambertAug 26, 2025
  If water is flowing out of your Daikin Air Conditioner, switch off the unit and contact your nearest dealer.
J
Jacqueline WeaverAug 29, 2025
Why does my Daikin Air Conditioner compressor operate continuously?
- B
  bryantphilipAug 29, 2025
  If the compressor in your Daikin Air Conditioner runs non-stop, the issue might stem from a few causes. A dirty air filter can cause the compressor to work harder than necessary, so start by cleaning it. Also, check your temperature settings: if you're cooling, the temperature might be set too low; if you're heating, it might be too high. Adjust the temperature accordingly to see if that resolves the issue.
S
Sandra PierceSep 1, 2025
What to do if there is condensation on the front air grille of my Daikin Air Conditioner?
- E
  Eric BatesSep 1, 2025
  If you notice condensation on the front grille of your Daikin Air Conditioner's indoor unit, it's likely due to air humidity after prolonged use. To address this, try increasing the temperature setting and running the unit at a high fan speed.
S
Sharon GardnerSep 5, 2025
What is the reason for hissing airflow sound from Daikin RN80HY1(4) Air Conditioner unit?
- J
  Jasmine SmallSep 5, 2025
  If you hear a hissing sound from your Daikin Air Conditioner during operation, it is caused by liquid refrigerant flowing into the evaporator coil.
U
ucollinsSep 9, 2025
Why doesn't the compressor start immediately on my Daikin RN80HY1(4) Air Conditioner?
- D
  Donald PorterSep 9, 2025
  If your Daikin Air Conditioner doesn't start the compressor immediately after being turned on, it might be due to a built-in protection mechanism that prevents frequent starts. Wait for approximately 3 to 4 minutes, and the compressor should start automatically.

Summary

Application Information

Operating Range

Refrigerant Circuit Diagram

Installation Guidelines

Provides instructions for unit installation, including clearance, piping, and electrical.

Cable Size & Piping

Selection Process

Drive Package and Fan Curves

Guides on selecting fan drive components and interpreting fan performance curves.

Engineering & Physical Data

Model Specifications

Performance Data

Performance Calculation & Tables

Explains performance calculation methods and provides extensive data tables for unit performance.

Wiring Diagrams

Cooling Mode Wiring

Illustrates the electrical wiring schematics for indoor and outdoor units during cooling operation.

Service & Maintenance

Maintenance Procedures

Troubleshooting

Fault Diagnosis and Error Codes

Phase Protection and Safety

Summary

Application Information

Operating Range

Refrigerant Circuit Diagram

Installation Guidelines

Provides instructions for unit installation, including clearance, piping, and electrical.

Cable Size & Piping

Selection Process

Drive Package and Fan Curves

Guides on selecting fan drive components and interpreting fan performance curves.

Engineering & Physical Data

Model Specifications

Performance Data

Performance Calculation & Tables

Explains performance calculation methods and provides extensive data tables for unit performance.

Wiring Diagrams

Cooling Mode Wiring

Illustrates the electrical wiring schematics for indoor and outdoor units during cooling operation.

Service & Maintenance

Maintenance Procedures

Troubleshooting

Fault Diagnosis and Error Codes

Phase Protection and Safety

Daikin RN80HY1(4) Specifications

General

Brand	Daikin
Model	RN80HY1(4)
Category	Air Conditioner
Language	English

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