SPLIT SYSTEM Air ConditionersMODELSWall-mounted typeFAQ18TAVJUFAQ24TAVJUEnglishFrançaisEspañolINSTALLATION MANUALRead these instructions carefully before installation.Keep this manual in a handy place for future reference.This manual should be left with the equipment owner.Lire soigneusement ces instructions avant l’installation.Conserver ce manuel à portée de main pour référenceultérieure.Ce manuel doit être donné au propriétaire de l’équipement.Lea cuidadosamente estas instrucciones antes de instalar.Guarde este manual en un lugar a mano para leer en casode tener alguna duda.Este manual debe permanecer con el propietario delequipo.

Daikin FAQ18TAVJU Installation Manual

Safety Cautions

Warnings and Cautions Regarding Safety of Users

Icons Used

Revision History

Part 1 General Information

Model Names and Power Supply

Heat Pump

External Appearance

Outdoor Unit

Remote Controller

Specifications

Part 2 Refrigerant Circuit

Refrigerant Circuit (Piping Diagrams)

RZR30/36/42/48TAVJU, RZQ30/36/42/48TAVJU

Indoor Unit

Functional Parts Layout

Part 3 Remote Controller

Applicable Models

Names and Functions

Simplified Remote Controller

Wireless Remote Controller

Main/Sub Setting

When Wireless Remote Controller is Used Together

Address Setting for Wireless Remote Controller

Centralized Control Group No. Setting

Service Settings Menu, Maintenance Menu

Part 4 Functions and Control

Operation Mode

Basic Control

Compressor PI Control

Electronic Expansion Valve PI Control

Cooling Operation Fan Control

Special Control

Oil Return Control

Defrost Control

Pump Down Residual Control

Restart Standby

Protection Control

Low Pressure Protection Control

heating operation

Discharge Pipe Temperature Protection Control

Inverter Protection Control

Other Control

Outline of Control (Indoor Unit)

Thermostat Control

Thermostat Control with Operation Mode Set to AUTO

List of Swing Flap Operations

Hot Start Control (In Heating Operation Only)

Louver Control for Preventing Ceiling Dirt (FCQ Models Only)

Drain Pump Control

Freeze-Up Prevention

Heater Control (Except FTQ-TA Models)

Heater Control (FTQ-TA Models)

Step Thermostat Processing (FTQ-TA Models)

Fan Control (Heater Residual) (FTQ-TA Models)

Part 5 Field Settings and Test Operation

Field Setting from Remote Controller

List of Field Settings for Indoor Unit

Details of Field Settings for Indoor Unit

Operation Control Mode

Field Settings from Outdoor Unit

Setting Mode and Monitor Mode

Setting Mode 1

Setting Mode 2

Monitor Mode

Setting of Low Noise Operation and Demand Operation

Setting of Refrigerant Recovery Mode

Check Operation

Setting of Auxiliary Heater Control

Setting of Heat Pump Lockout and Emergency Heat Mode

Test Operation

Error Codes and Corresponding Measures

When Turning ON Power First Time

Part 6 Service Diagnosis

Servicing Items to be Confirmed

Refrigerant Properties (R-410A)

Symptom-based Troubleshooting

With Optional Infrared Presence/Floor Sensor

Troubleshooting with Remote Controller

Troubleshooting by Error Codes

Error Codes - Sub Codes

Error Code Indication by Outdoor Unit PCB

External Protection Device Abnormality (Except FTQ-TA)

External Protection Device Abnormality (FTQ-TA Only)

Indoor Unit PCB Abnormality

Drain Level Control System (S1L) Abnormality

SkyAir FAQ18TAVJU

SkyAir FAQ24TAVJU