RYS-BPair Applicationtechnical dataSplitSky Airair conditioning systems

technical data

Features

Specifications

Electrical specifications

Electrical data

Capacity tables

Dimensional drawings

Operation range

Piping diagrams

Wiring diagrams

Sound level

Sound pressure spectrum

Accessories

Installation

Daikin RYS20BVMB Technical Data 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

RYS20BVMB

safety cautions

cautions regarding products after repair

inspection after repair

using icons

Part 1 List of Function

Functions

Heat Pump

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Printed Circuit Board Connector Wiring Diagram

Outdoor Unit

Part 4 Function and Control

Main Functions

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

Fan Speed Control for Indoor Units

Programme Dry Function

Automatic Operation

Night Set Mode

Intelligent Eye

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 Control

Freeze-up Protection Control

Fan Control

Moisture Protection Function 2

Defrost Control

Electronic Expansion Valve Control

Malfunctions

Forced Operation Mode

SiBE04

System Configuration

Instruction (In case of FTK(X)S 25/35 BVMB)

installation site

Names of Parts

i outdoor unit

remote controller

Preparation before Operation

AUTO·DRY·COOL·HEAT·FAN Operation

Adjusting the Air Flow Direction

POWERFUL Operation

OUTDOOR UNIT SILENT Operation

INTELLIGENT EYE Operation

TIMER Operation

Care and Cleaning

i air filter

before a long idle period

Trouble Shooting

check again

disposal requirements

Part 6 Service Diagnosis

Caution for Diagnosis

Problem Symptoms and Measures

Service Check Function

Troubleshooting

Indoor Unit PCB Abnormality

Fan Motor (AC Motor) or Related Abnormality

Thermistor or Related Abnormality (Indoor Unit)

Signal Transmission Error (between Indoor and Outdoor Units)

Compressor Lock

Input Over Current Detection

Four Way Valve Abnormality

Discharge Pipe Temperature Control

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

Over-voltage Detection

High Pressure Control in Cooling

Check

Part 7 Removal Procedure

Indoor Unit

removal of front grille

Removal of Front Grille

Removal of Horizontal Blade and Vertical Blade

Removal of Switch Box, PC Board and Swing Motor

removal of heat exchanger

RYS25BVMB

RYS35BVMB

RYS50BVMB

RYS60BVMB


Contents technical data Table Of Contents Features Specifications Electrical specifications Electrical data Capacity tables Dimensional drawings Operation range Piping diagrams Wiring diagrams Sound level Sound pressure spectrum Accessories Installation	RYS-BPair Applicationtechnical dataSplitSky Airair conditioning systems Next / 20