Daikin SkyAir RZQ18PVJU9 User Manual

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Cooling Only 60Hz

Heat Pump 60Hz

RZR-P, RZQ-P(9) series

EDUS281120_a

AMERICAS

Other manuals for Daikin SkyAir RZQ18PVJU9

Service Manual202 pages

Questions and Answers:

D
Dawn SimmonsAug 13, 2025
Why is my Daikin Air Conditioner not cooling or heating air well?
- K
  kherreraAug 13, 2025
  If your Daikin Air Conditioner isn't cooling or heating air effectively, there might be several reasons: * Check for any obstructions blocking the air inlet or outlet of either the indoor or outdoor unit and remove them. * Clean the air filters if they are clogged. * Ensure that the outdoor unit is not enclosed; if it is, remove the enclosure. * Verify that the temperature is set correctly. * Adjust the airflow rate if it's set to "LOW". * Correct the direction of air diffusion if it's improper. * Close any open windows or doors. * Use curtains or shades to block direct sunlight. * Consider if the air conditioning load is too high for the number of people in the room.
A
Andrew FosterAug 17, 2025
What to do if my Daikin Air Conditioner starts operation but makes an immediate stop?
- W
  Wayne MoralesAug 17, 2025
  If your Daikin Air Conditioner starts but stops immediately, it could be due to: * A blocked air inlet or outlet on either the indoor or outdoor unit. Clear any obstacles. * Clogged air filters. Clean the air filters to ensure proper airflow.
J
Joseph PowellAug 21, 2025
How to fix Daikin Air Conditioner that does not start at all?
- P
  Paige CarterAug 21, 2025
  If your Daikin Air Conditioner system doesn't start at all, it might be due to: * Blown fuse(s). Turn off the power supply and replace the fuse(s). * Cutout breaker(s). If any breaker knob is in the OFF position, turn ON the power supply. However, if a circuit breaker knob is in the tripped position, do not attempt to turn ON the power supply.
M
Monica BurtonAug 25, 2025
Why is my Daikin Heat Pump not cooling or heating air well?
- J
  John BrownAug 25, 2025
  If your Daikin Heat Pump isn't cooling or heating well, several factors could be at play. Check for blocked air inlets or outlets on both the indoor and outdoor units and remove any obstructions. Ensure the air filters are clean. Also, make sure the outdoor unit isn't enclosed. Verify that the temperature is set correctly and the airflow rate isn't set to low. Adjust the direction of air diffusion if needed. Close any open windows or doors, and use curtains or shades to block direct sunlight. Finally, consider if there are too many people in the room, as the unit's capacity might not be sufficient.
M
Madeline MillerAug 28, 2025
How to fix a Daikin SkyAir RZQ18PVJU9 Heat Pump that does not start?
- K
  Kyle WhiteAug 28, 2025
  If your Daikin Heat Pump system isn't starting, the issue might be related to the power supply. Check for blown fuses and, after turning OFF the power, replace them if necessary. Also, inspect the breakers. If a breaker knob is in the OFF position, turn the power supply ON. However, if a circuit breaker knob is in the tripped position, do not attempt to turn the power supply ON.
C
Calvin ReedSep 1, 2025
What to do if Daikin SkyAir RZQ18PVJU9 starts then stops?
- F
  fernandezericSep 1, 2025
  If your Daikin Heat Pump starts but stops immediately, it might be due to a blockage. Ensure that neither the air inlet nor the outlet of the indoor or outdoor unit is blocked by any obstacles; if there are any, remove them. Another possible cause is clogged air filters, so be sure to clean them.
R
rachel84Sep 5, 2025
Why does my Daikin Heat Pump not operate?
- D
  dloweSep 5, 2025
  If your Daikin Heat Pump isn't operating, observe the OPERATION lamp on the remote controller. If it turns ON, the system is likely normal and is managing loads. If the remote controller displays "UNDER CENTRALIZED CONTROL" blinking when you press the OPERATION button, operate the system using the COOL/HEAT centralized remote controller. If the system stops immediately after turning ON the power, allow approximately 1 minute for it to start.
A
Anthony SimpsonSep 8, 2025
How to stop odors coming from Daikin SkyAir RZQ18PVJU9 Heat Pump?
- K
  Kristin CampbellSep 8, 2025
  If you notice odors coming from your Daikin Heat Pump, the inside of the indoor unit likely needs cleaning.

Daikin SkyAir RZQ18PVJU9 Specifications

General

Brand	Daikin
Model	SkyAir RZQ18PVJU9
Category	Heat Pump
Language	English

Summary

1. External Appearance

1.1 Indoor unit

2. Model Name, Power Supply and Nomenclature

2.1 Model name and power supply

2.2 Nomenclature

Explains the meaning of each character in the model names for indoor and outdoor units.

3. Specifications

3.1 Cooling Only

Provides detailed specifications for cooling-only models across different indoor unit types.

3.1.2 FHQ Ceiling suspended type

Details specifications for FHQ ceiling suspended indoor units.

3.1.3 FAQ Wall mounted type

Provides specifications for FAQ wall-mounted indoor units.

3.1.4 FBQ Ceiling mounted duct type

Lists specifications for FBQ ceiling mounted duct indoor units.

3.2 Heat Pump

Details specifications for heat pump models across different indoor unit types.

4. Dimensions and Service Space

4.1 Indoor unit

4.4 Outdoor unit

4.5 Installation service space

6. Wiring Diagrams

6.1 Indoor unit

6.2 Outdoor unit

7. Electrical Characteristics

7.1 Indoor unit

Lists electrical specifications (MCA, FLA, input power) for various indoor units.

7.2 Outdoor unit

Details electrical characteristics (MCA, MOP, RLA, KW, FLA) for outdoor units.

9. Capacity Tables

9.1 Cooling Only

Presents cooling capacity tables for various indoor/outdoor unit combinations.

9.2 Heat Pump

Provides heat pump capacity tables for various indoor/outdoor unit combinations.

9.3 Capacity Correction Ratio

11. Airflow Auto Adjustment Characteristics

FBQ18PVJU

FBQ24PVJU

FBQ30PVJU

FBQ36PVJU

FBQ42PVJU

12. Sound Levels (Reference)

12.1 Indoor unit

12.2 Outdoor unit

13. Operation Limits

RZR18PVJU / RZR24PVJU / RZR30PVJU / RZQ18PVJU9 / RZQ24PVJU9 / RZQ30PVJU

Shows operating limits for cooling and heating for RZR/RZQ-P (18-30) series.

RZR36PVJU / RZR42PVJU / RZQ36PVJU9 / RZQ42PVJU9

Details operating limits for cooling and heating for RZR/RZQ-P (36-42) series.

16. Installation of Indoor Unit

16.1 FCQ18PAVJU / FCQ24PAVJU / FCQ30PAVJU / FCQ36PAVJU / FCQ42PAVJU

Installation steps and precautions for FCQ series indoor units.

16.2 FHQ18PVJU / FHQ24PVJU / FHQ30PVJU

Installation procedures and safety notes for FHQ series indoor units (18-30 size).

16.3 FHQ36MVJU / FHQ42MVJU

Installation steps and safety precautions for FHQ series indoor units (36-42 size).

16.4 FAQ18PVJU / FAQ24PVJU

Installation instructions and safety considerations for FAQ series indoor units.

16.5 FBQ18PVJU / FBQ24PVJU / FBQ30PVJU / FBQ36PVJU / FBQ42PVJU

17. Installation of Outdoor Unit

17.1 RZR18PVJU / RZR24PVJU / RZR30PVJU / RZQ18PVJU9 / RZQ24PVJU9 / RZQ30PVJU

17.2 RZR36PVJU / RZR42PVJU / RZQ36PVJU9 / RZQ42PVJU9

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