FTXS50CVMA FTKS50BVMAMODELSDAIKIN ROOM AIR CONDITIONEROperation Manual

Daikin FTXS50CVMA Operation Manual

indoor units

dc fan lock

high pressure control in cooling

and outdoor units

fan motor connector output check

electronic expansion valve 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

hall ic check

FTKS50BVMA

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

safety cautions

cautions regarding products after repair

inspection after repair

using icons

List of Functions

R22 Series

Specifications

Cooling Only - R22 Series

Heat Pump - R-410A Series

Heat Pump - R22 Series

Printed Circuit Board Connector Wiring Diagram

Outdoor Unit

Main Functions

main functions

fan speed control for indoor units

programme dry function

automatic operation

thermostat control

night set mode

intelligent eye

home leave operation

inverter powerful operation

other functions

function of main structural parts

cooling only model

control specification

frequency control

compressor protection function

input current control

freeze-up protection control

fan control

low hz high pressure limit

electronic expansion valve control

forced operation mode

System Configuration

Instruction

installation site

Names of Parts

remote control

Preparation before Operation

to set the clock

auto · dry · cool · heat · fan operation

to change the air flow rate setting

Adjusting the Air Flow Direction

POWERFUL Operation

OUTDOOR UNIT SILENT Operation

HOME LEAVE Operation

INTELLIGENT EYE Operation

TIMER Operation

to use on timer operation

Care and Cleaning

air filter

before a long idle period

Troubleshooting

check again

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 Units)

OL Activation (Compressor Overload)

Compressor Lock

Input Over Current Detection

Four Way Valve Abnormality

Discharge Pipe Temperature Control

High Pressure Control in Cooling

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

Check

Indoor Unit

Removal of the Front Grille

Removal of the Horizontal Blades / Vertical Blades

Removal of the Electrical Box / PCB / Swing Motor

Removal of the Heat Exchanger

Removal of the Fan Rotor / Fan Motor

Part 1 List of Functions

Part 2 Specifications

Heat Pump - R410A Series

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Function and Control

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

fan speed control

Programme Dry Function

Automatic Operation

Night Set Mode

Intelligent Eye

Home Leave Operation

Inverter Powerful Operation

Other Functions

Function of Main Structural Parts

Control Specification

Frequency Control

Controls at Mode Changing / Start-up

Freeze-up Protection Control

Fan Control

Low Hz High Pressure Limit

Electronic Expansion Valve Control

discharge pipe

Malfunctions

Forced Operation Mode

Part 5 System Configuration

i outdoor unit

remote controller

AUTO · DRY · COOL · HEAT · FAN Operation

adjusting the air flow direction

i air filter

Part 6 Service Diagnosis

Si04

Part 7 Removal Procedure

operation manual

Safety precautions

Names of parts

Preparation Before Operation

Operation

Trouble Shooting

call the service shop immediately

FTXS50CVMA