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FILE NO. SVM-03005

TOSHIBA CARRIER (THAILAND) CO.,LTD.

Table of Contents

Service Manual1
Table of Contents2
Safety Precautions3
- Warning4
- Caution5
Specifications6
- Capacity Variation Ratio According to Temperature7
- Operation Characteristic Curve7
- Piping Materials and Joints Used8
- Refrigerant Piping Installation8
Refrigerant R410A8
- Safety During Installation/Servicing8
- Flare Processing Procedures and Precautions9
- Minimum Thicknesses of Socket Joints9
- Processing of Piping Materials9
- Thicknesses of Annealed Copper Pipes9
- Dimensions Related to Flare Processing for R2210
- Dimensions Related to Flare Processing for R410A10
- Flare and Flare Nut Dimensions for R410A10
- Flare Processing10
- Flare and Flare Nut Dimensions for R2211
- Flare Connecting Procedures and Precautions11
- Relations between Flare Nut and Flare Seal Surface11
- Tightening Torque of Flare for R410A [Reference Values]11
- General Tools (Conventional Tools Can be Used)12
- Required Tools12
- Specifications12
- Tools Exclusive for R410A12
- Recharging of Refrigerant13
- Brazing of Pipes14
- Flux14
- Materials for Brazing14
- Reason Why Flux Is Necessary14
- Brazing15
- Piping Materials for Brazing and Used Brazing Filler/Flux15
- Prevention of Oxidation During Brazing (Diagram)15
- Types of Flux15
Construction Views16
- Indoor Unit Diagram16
- Outdoor Unit Diagram17
Wiring Diagram18
Specifications of Electrical Parts19
- Refrigerant Cycle Diagram - RAS-B10N3KV2-E / RAS-10N3AV2-E20
- Refrigerant Cycle Diagram - RAS-B13N3KV2-E / RAS-13N3AV2-E21
- Operation Data22
- Control Block Diagram - Indoor Unit23
- Control Block Diagram - Outdoor Unit (Inverter Assembly)24
Operation Description25
- Outline of Air Conditioner Control25
- Role of Indoor Unit Controller25
- Role of Outdoor Unit Controller25
Basic Operation27
Operation Control27
AUTO Operation28
Cooling/Heating Operation28
DRY Operation28
In Cooling Operation29
Indoor Fan Motor Control29
In Heating Operation30
Outdoor Fan Motor Control31
Capacity Control32
Current Release Control32
Release Protective Control by Temperature of Indoor Heat Exchanger33
Defrost Control (Only in Heating Operation)34
Air Direction Adjustment35
Louver Control35
Louver Position35
Swing35
ECO Operation36
Discharge Temperature Control37
Temporary Operation37
Pulse Modulating Valve (P .M.V.) Control38
Self-Cleaning Function39
Remote-A or B Selection40
COMFORT SLEEP Mode41
One-Touch Comfort41
QUIET Mode41
FIL TER Indicator42
Hi-POWER Mode42
How to Set the Auto Restart Function43
- When the Unit Is in Operation43
- When the Unit Is Standby (Not Operating)43
How to Cancel the Auto Restart Function44
Power Failure During Timer Operation44
Function of Push Putton45
Operation of Remote Control45
Remote Control45
Daily Timer46
Display of Remote Control48
- Before Installing the Wireless Remote Controller49
- Installation Diagram of Indoor and Outdoor Units49
Installation Procedure49
- Fixing Bolt Arrangement of Outdoor Unit50
- Installation50
- Optional Installation Parts50
- Accessory and Installation Parts51
- Installation/Servicing Tools52
- New Tools for R410A52
- Cutting a Hole and Mounting Installation Plate53
- Indoor Unit53
- Installation Place53
- Wiring Connection54
- How to Connect Remote Controller for Wire Operation55
- Changing Drain Hose56
- Die-Cutting Front Panel Slit56
- How to Install and Remove the Drain Hose56
- Piping and Drain Hose Installation56
- How to Fix the Drains Cap57
- In Case of Bottom Right or Bottom Left Piping57
- In Case of Right or Left Piping57
- Left-Hand Connection with Piping57
- Drainage58
- Indoor Unit Fixing58
- Installation Place for the Outdoor Unit59
- Outdoor Unit59
- Refrigerant Piping Connection59
- Tightening Connection59
- 5 Points for Piping Work60
- Evacuating60
- Shaping Pipes60
- Using a Vacuum Pump60
- Electrical Work61
- Packed Valve Handling Precautions61
- Stripping Length of the Connecting Cable61
- Wiring Connection (Outdoor Unit)61
- Auto Restart Setting62
- Gas Leak Test62
- Others62
- Remote Control A-B Selection62
How to Diagnose the Trouble63
- Precautions When Handling the New Inverter (3DV Inverter)63
- Discharging Method64
- Precautions When Inspecting the Control Section of the Outdoor Unit64
- Confirmation of Power Voltage65
- First Confirmation65
- Onfirmation of Power Supply65
- Operation Which Is Not a Trouble (Program Operation)65
- Judgment by Flashing LED of Indoor Unit66
- Primary Judgment66
- How to Use Remote Controller in Service Mode67
- Self-Diagnosis by Remote Controller (Check Code)67
- Caution at Servicing68
- Indoor Unit (Including Remote Controller)70
- Judgment of Trouble by Every Symptom70
- Power Is Not Turned on (Does Not Operate Entirely)70
- Power Is Not Turned on Though Indoor P.C. Board Is Replaced71
- Only the Indoor Motor Fan Does Not Operate72
- For AC Fan Motor - Inspection Procedure73
- Troubleshooting for Remote Control74
- Outdoor Unit Does Not Operate75
- Outdoor Unit Stops in a Little While after Operation Started75
- Wiring Failure (Interconnecting and Serial Signal Wire)75
- How to Check Simple the Main Parts76
- How to Diagnose Trouble in Outdoor Unit77
- Summarized Inner Diagnosis of Inverter Assembly77
- How to Check Simply the Main Parts78
- How to Check the P.C. Board (Indoor Unit)78
- P.C. Board Layout80
- Sensor Characteristic Table80
- Indoor Unit (Other Parts) Checks81
- Outdoor Unit Checks81
- Checking Method for each Part82
- How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad83
- Front Panel Replacement84
How to Replace the Main Parts84
- Indoor Unit Parts Replacement84
- Electric Parts Box Assembly Replacement86
- Evaporator (Heat Exchanger) Replacement87
- Horizontal Louver Replacement87
- Bearing Replacement88
- Fan Motor Replacement89
- Cross Flow Fan Replacement90
- Microcomputer Replacement91
- Outdoor Unit Parts Replacement92
- Front Cabinet Replacement93
- Inverter Assembly Replacement94
- Control Board Assembly Replacement95
- Side Cabinet Replacement96
- To Replace the Fan Motor96
- Compressor Replacement97
- Reactor Replacement97
- Electronic Expansion Valve Coil Replacement98
- Fan Guard Replacement98
- TD Sensor (Discharge Pipe Temperature Sensor) Replacement99
- TE Sensor (Outdoor Heat Exchanging Temperature Sensor) Replacement99
- TO Sensor (Outside Air Temperature Sensor) Replacement99
- TS Sensor (Suction Pipe Temperature Sensor) Replacement99
- Parts for Servicing Sensors Table100
- Replacement of Temperature Sensor for Servicing Only100
Exploded Views and Parts List101
- Indoor Unit (Part-E) Exploded View101
- Indoor Unit Exploded View102
- Wireless Remote Controller 1102
- Outdoor Unit Exploded View103
- PC Board Layout104

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