ServiceManualInverter PairWall Mounted Type H-SeriesSiUS04-924_A[Applied Models] Inverter Pair : Cooling Only Inverter Pair : Heat Pump

Daikin H Series Service Manual

indoor unit

Removal of Air Filters / Front Panel

Removal of Front Grille

Removal of Electrical Box

Removal of PCBs

Removal of Horizontal Blades / Swing Motors

Removal of Fan Motor

Removal of Indoor Heat Exchanger

Removal of Fan Rotor

Removal of Vertical Blade ASSY

FTXS30HVJU

operation manual

Safety Precautions

Names of Parts

front cover

quiet button

Preparation before Operation

operating conditions

AUTO · DRY · COOL · HEAT · FAN Operation

Adjusting the Airﬂ ow Direction

comfort airflow operation

COMFORT AIRFLOW Operation

INTELLIGENT EYE Operation

POWERFUL Operation

OUTDOOR UNIT QUIET Operation

ECONO Operation

TIMER Operation

WEEKLY TIMER Operation

Care and Cleaning

Troubleshooting

call the service shop immediately

Name of Parts

Trouble Shooting

safety considerations

Part

List of Functions

Specifications

Printed Circuit Board Connector Wiring Diagram

Indoor Unit

Outdoor Unit

Function and Control

Main Functions

Airflow Direction Control

Fan Speed Control for Indoor Units

Program Dry Function

Automatic Operation

Thermostat Control

NIGHT SET Mode

ECONO Mode

INTELLIGENT EYE

Inverter POWERFUL Operation

Other Functions

weekly timer operation

Function of Thermistor

Control Specification

Frequency Control

Controls at Mode Changing / Start-up

Discharge PipeTemperature Control

Input Current Control

Freeze-up Protection Control

Fan Control

Electronic Expansion Valve Control

target discharge pipe temperature control

Malfunctions

Forced Operation Mode

Facility Setting Switch (cooling at low outdoor temperature)

Operation Manual

System Configuration

Instruction

Adjusting the Airflow Direction

Service Diagnosis

Caution for Diagnosis

Problem Symptoms and Measures

Service Check Function

Indoor Unit PCB Abnormality

Freeze-up Protection Control or High Pressure Control

Fan Motor (DC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Signal Transmission Error (between Indoor and Outdoor Unit)

Unspecified Voltage (between Indoor and Outdoor Units)

Outdoor Unit PCB Abnormality

OL Activation (Compressor Overload)

Compressor Lock

DC Fan Lock

Input Overcurrent Detection

Four-Way Valve Abnormality

Discharge Pipe Temperature Control

High Pressure Control in Cooling

Compressor System Sensor Abnormality

Position Sensor Abnormality

CT or Related Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Overcurrent Detection

Insufficient Gas

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error on Outdoor Unit PCB

Check

thermistor resistance check

installation condition check

power supply waveforms check

capacitor voltage check

turning speed pulse input on the outdoor unit pcb check

Removal Procedure

Removal of Air Filter / Front Panel

Removal of PCB

Removal of Heat Exchanger

Removal of Outer Panels

Removal of the Electrical Box

Removal of Coils / Thermistors

Removal of Sound Blanket

Removal of Compressor

Power Supply

Functions

heat pump

Dimensions

Wiring Diagrams

Piping Diagrams

Capacity Tables

Heat Pump

Capacity correction factor by the length of refrigerant piping (Reference)

Operation Limit

Sound Level

Octave Band Level

Electric Characteristics

Installation Manual

choosing an installation site

indoor unit installation drawings

installation tips

indoor unit installation

refrigerant piping work

pump down operation

precautions on installation

installation guidelines

outdoor unit installation

Operation Manual Safety Considerations

Optional Accessories

BRC944B2> Wired Remote Controller

preparation before operation

adjusting airflow direction

timer operation

daily timer

KRP413AB1S> Wiring Adaptor for Timer Clock / Remote Controller

before installation

FTXS36HVJU

H-Series

RKS30HVJU

RKS36HVJU

RXS30HVJU

RXS36HVJU