Table Of Contents - Toshiba RAS-18J2KVSG-E Service Manual

Table of Contents

Table Of Contents2
Safety Precautions3
For General Public Use3
Specifications6
Operation Characteristic Curve8
Cooling8
Heating8
Capacity Variation Ratio According To Temperature8
Refrigerant R3210
Safety During Installation/Servicing10
Refrigerant Piping Installation10
Piping Materials And Joints Used10
Joints11
Thicknesses Of Annealed Copper Pipes11
Minimum Thicknesses Of Socket Joints11
Processing Of Piping Materials11
Flare Processing12
Dimensions Related To Flare Processing For R32(R410A)12
Dimensions Related To Flare Processing For R2212
Flare And Flare Nut Dimensions For R32(R410A)12
Flare And Flare Nut Dimensions For R2213
Flare Connecting Procedures And Precautions13
Tools14
Required Tools14
General Tools14
Recharging Of Refrigerant15
Configuration Of Refrigerant Charging15
Brazing Of Pipes16
Materials For Brazing16
Silver Brazing Filler16
Phosphor Bronze Brazing Filler16
Characteristics Required For Flux17
Types Of Flux17
Brazing17
Brazing Method To Prevent Oxidation17
Construction Views18
Wiring Diagram21
Specifications Of Electrical Parts24
Refrigerant Cycle Diagram25
Operation Data27
Control Block Diagram28
Outdoor Unit (Inverter Assembly)29
Operation Description30
Outline Of Air Conditioner Control30
Role Of Indoor Unit Controller30
Role Of Outdoor Unit Controller30
Operation Control32
Basic Operation32
Cooling/Heating Operation33
Auto Operation34
Selection Of Operation Mode34
Dry Operation34
Indoor Fan Motor Control35
Indoor Fan Air Flow Rate36
Outdoor Fan Motor Control38
Capacity Control39
Current Release Control39
Release Protective Control By Temperature Of Indoor Heat Exchanger40
Defrost Control (Only In Heating Operation)41
Start Of Heating Operation41
Louver Control42
Louver Position42
Louver Position In Heating Operation43
Wind Direction Adjustment44
Air Direction44
Swing45
Hada Care Position45
Eco Operation46
Cooling Operation46
Heating Operation46
Temporary Operation47
Discharge Temperature Control47
High Pressure Control47
Pulse Modulating Valve (P .M.v.) Control48
Self-Cleaning Function49
Self-Cleaning Operation49
Self-Cleaning Operation Times49
Self-Cleaning Diagram50
Self-Cleaning Function Release50
Setting The Remote Controller51
Comfort Sleep Mode51
Remote-A Or B Selection51
Quiet Mode52
Short Timer52
Power-Selection And Silent Operation53
Silent Operation Description53
Silent Operation53
Fireplace Operation54
C Heating / Frost Protective Operation54
Hi-Power Mode55
Operation Mode Selectable55
Display Lamp Brightness Control56
To Decrease The Display Lamp Brightness Or Turn It Off56
How To Set The Au To Restart Function57
When The Unit Is Standby57
When The Unit Is In Operation57
How To Cancel The Auto Restart Function58
Power Failure During Timer Operation58
Operation Of Remote Control59
Weekly Timer Operation59
Parts Name Of Remote Contr Oller59
How To Set Weekly Timer60
Edit Weekly Timer Program62
Deactivating Weekly Timer Operation62
To Delete Programs63
The Individual Program63
All Programs63
Automatic Operation64
Fireplace And 8°C Heating Operation64
Cooling / Heating / Fan Only Operation64
Hi-Power Operation65
Comfort Sleep Operation65
Hada Care Flow65
Air Flow65
Power-Selection66
Power-Selection And Silent Operation (Outdoor Unit)66
Timer Operation67
Preset Operation67
Air Flow Direction67
Name And Functions Of Indications On Remote Contr Oller68
Installation Procedure69
Installation Diagram Of Indoor And Outdoor Units69
Loading Batteries69
Installation70
Fixing Bolt Arrangement Of Outdoor Unit70
Accessory And Installation Parts71
Air Filters71
Installation/Servicing Tools72
Changes In The Product And Components72
New Tools For R32(R410A)72
Installation Place73
Cutting A Hole And Mounting Installation73
Remote Control73
Piping And Drain Hose Installation75
Piping And Drain Hose Forming75
Die-Cutting Back Body Slit75
Changing Drain Hose75
How To Fix The Drain Cap76
Left-Hand Connection With Piping76
Indoor Unit Fixing77
Drainage77
Precautions For Adding Refrigerant78
Draining The Water79
Refrigerant Piping Connection79
Ridgid79
Imperial79
Evacuating80
Air Purge80
Using A Vacuum Pump80
Tightening Connection80
Packed Valve Handling Precautions81
Electrical Works82
Wiring Connection82
How To Install The Air Inlet Grille On The Indoor Unit82
Power Supply And Connecting Cable Connection83
Power Supply Input At Indoor Unit Terminal Block (Optional)83
Power Supply Input Wiring Diagram For 1:1 Outdoor Unit84
Power Supply Input At Outdoor Unit Terminal Block (Recommend)84
In Case Of Indoor Unit Connect With Inverter Multi System (Ims)85
Power Supply Input At Outdoor Unit Terminal Block85
Power Input At Outdoor Terminal Block85
Others86
Gas Leak Test86
Test Operation86
Auto Restart Setting86
How To Diagnose The Trouble87
Precautions When Handling The New Inverter87
The Control Circuitry Has An Uninsulated Construction87
Precautions When Inspecting The Control Section Of The Outdoor Unit89
Discharging Method89
First Confirmation90
Confirmation Of Power Supply90
Confirmation Of Power Voltage90
Operation Which Is Not A Trouble90
Primary Judgment91
Judgment By Flashing Led Of Indoor Unit91
Self-Diagnosis By Remote Controller92
How To Use Remote Controller In Service Mode92
Caution At Servicing93
Judgment Of Trouble By Every Symptom99
Power Is Not Turned On99
Power Is Not Turned On Though Indoor P.c. Board Is Replaced100
Only The Indoor Motor Fan Does Not Operate101
Troubleshooting For Remote Controller104
Wiring Failure105
Outdoor Unit Does Not Operate105
Outdoor Unit Stops In A Little While After Operation Started105
How To Check Simple The Main Parts106
How To Diagnose Trouble In Outdoor Unit107
Summarized Inner Diagnosis Of Inverter Assembly107
How To Check Simply The Main Parts108
How To Check The P.c. Board (Indoor Unit)108
P .C . Board Layout110
Sensor Characteristic Table110
Checking Method For Each Part112
How To Simply Judge Whether Outdoor Fan Motor Is Good Or Bad113
How To Replace The Main Parts114
Front Cabinet130
Control Board Assembly132
Side Cabinet133
Fan Motor133
Compressor134
Reactor134
Fan Guard135
Te Sensor (Outdoor Heat Exchanging Temperature Sensor)136
Ts Sensor (Suction Pipe Temperature Sensor)136
Td Sensor (Discharge Pipe Temperature Sensor)136
To Sensor (Outside Air Temperature Sensor)136
Exploded Views And Parts List137
Indoor Unit (Part-E)138