Si01 - 501SPLIT PairD-Series[Applied Models]zNon-Inverter Pair : Cooling Only

Daikin D Series Service Manual

safety precautions

refrigerant piping

electrical connection

vacuuming and charging

additional charge

troubleshooting

D-Series

Part 1 List of Functions ................................................................ 1

safety cautions

List of Functions

Heat Pump

Specifications

duct connected type

ceiling mounted cassette type

Outdoor Units - Cooling Only

Indoor Units - Heat Pump

floor standing type

Outdoor Units - Heat Pump

Part 3 Printed Circuit Board Connector Wiring Diagram

Printed Circuit Board Connector Wiring Diagram

display pcb

Duct Connected Type

Floor / Ceiling Suspended Dual Type

Floor Standing Type

outdoor units – e series (50-58 class, 80-100 class)

outdoor units – e series (68-75 class)

outdoor units – d series

Part 4 Function and Control

Main Functions

Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing

fan speed control

Programme Dry Function

Automatic Operation

Thermostat Control

Night Set Mode

ECONO Mode

MOLD PROOF Operation

intelligent eye (wall mounted type only)

HOME LEAVE Operation

Inverter POWERFUL Operation

Other Functions

Function of Main Structural Parts

Function of Thermistor

cooling only model

Control Specification

Frequency Control

Controls at Mode Changing / Start-up

Discharge Pipe Temperature Control

Freeze-up Protection Control

Fan Control

Defrost Control

Low Hz High Pressure Limit

Malfunctions

Forced Operation Mode

Wiring-Error Check

Additional Function

System Configuration

Instruction

installation site

outdoor unit

remote controller

names of parts

preparation before operation

to change the air flow rate setting

adjusting the air flow direction

air flow selection

powerful operation

outdoor unit quiet operation

econo operation

intelligent eye operation

timer operation

note for multi system

priority room setting

care and cleaning

air filter

before a long idle period

front grille

cleaning the air filter

FFQ 25/35/50/60 B

safety considerations

operation range

operation procedure

optimum operation

air conditioner

Service Diagnosis

Caution for Diagnosis

Problem Symptoms and Measures

Service Check Function

Code Indication on the Remote Controller

Troubleshooting

Outdoor Units

Indoor Unit PCB Abnormality

Freeze-up Protection Control or High Pressure Control

Fan Motor or Related Abnormality

dc motor

Thermistor or Related Abnormality (Indoor Unit)

Shutter Drive Motor / Shutter Limit Switch Abnormality

Part 1 List of Functions

Part 2 Specifications

Intelligent Eye

Home Leave Operation

Inverter Powerful Operation

Cooling Only Model

Input Current Control

Electronic Expansion Valve Control

target discharge pipe temperature control

Facility Setting Switch (cooling at low outdoor temperature)

Part 5 Operation Manual

FTK(X)S 50 D

disposal requirements

fault diagnosis

FTK(X)S 50/60/71 F, FT(Y) 50/60 F

Part 6 Service Diagnosis

Fan Motor (DC Motor) or Related Abnormality

Signal Transmission Error (between Indoor and Outdoor Unit)

Outdoor Unit PCB Abnormality

Compressor Lock

DC Fan Lock

Input Over Current Detection

Four Way Valve Abnormality

High Pressure Control in Cooling

Compressor Sensor System Abnormality

Position Sensor Abnormality

CT or Related Abnormality

Thermistor or Related Abnormality (Outdoor Unit)

Electrical Box Temperature Rise

Radiation Fin Temperature Rise

Output Over Current Detection

Insufficient Gas

Low-voltage Detection or Over-voltage Detection

Signal Transmission Error on Outdoor Unit PCB

Check

four way valve performance check

thermistor resistance check

installation condition check

discharge pressure check

power supply waveforms check

capacitor voltage check

main circuit electrolytic capacitor check

Part 7 Removal Procedure

Indoor Unit

removal of front panel

removal of front grille

Wall Built-in Type

INTELLIGENT EYE

Safety Precautions

Names of Parts

Preparation Before Operation

AUTO · DRY · COOL · HEAT · FAN Operation

Adjusting the Air Flow Direction

POWERFUL Operation

OUTDOOR UNIT QUIET Operation

ECONO Operation

INTELLIGENT EYE Operation

TIMER Operation

Note for Multi System

Care and Cleaning

front panel

check again

call the service shop immediately

Signal Transmission Error (between Indoor and Outdoor Units)

Unspecified Voltage (between Indoor and Outdoor Units)

OL Activation (Compressor Overload)

Si12

Low-voltage Detection

electronic expansion valve check

Heat Pump Models

Discharge Pipe Control

Part 5 System Configuration

Preparation before Operation

OUTDOOR UNIT SILENT Operation

SiBE12

power transistor check

Outdoor Unit (80 / 90 Class)

Branch Provider Unit

Wall Mounted Type

Ceiling Mounted Cassette Type (600×600)

Ceiling Mounted Cassette Type (950×950)

Ceiling Mounted Built-in Type

Ceiling Suspended Type

Part 4 Refrigerant Circuit

Refrigerant Circuit

BP Units

Functional Parts Layout

Refrigerant Flow for Each Operation Mode

Heating Operation

Cooling Oil Return Operation

Heating Oil Return Operation & Defrost Operation

Part 5 Function

Operation Mode

Basic Control

Compressor PI Control

Electronic Expansion Valve PI Control

Cooling Operation Fan Control

Special Control

Oil Return Operation

Defrosting Operation

Pump-down Residual Operation