Toshiba Super MMF-AP0481BH Manuals

Manuals and User Guides for Toshiba Super MMF-AP0481BH. We have 1 Toshiba Super MMF-AP0481BH manual available for free PDF download: Service Manual

Toshiba Super MMF-AP0481BH Service Manual

Toshiba Super MMF-AP0481BH Service Manual (271 pages)

SUPER modular multi

Brand: Toshiba | Category: Air Conditioner | Size: 5.88 MB

Table of Contents

Service Manual
1
Check of Concentration Limit
2
Total Amount of Refrigerant (Kg)
2
No Partition
2
Warnings on Refrigerant Leakage
2
Table of Contents
3
Safety Caution
3
Combined Refrigerant Pipes Systematic Drawing
3
Explanation of Illustrated Marks
4
Confirmation of Warning Label on the Main Unit
4
Explanation of Indications
4
Safety Caution
4
- Cautions on Installation/Service
  7
- New Refrigerant (R410A)
  7
- Pipe Materials
  7
- Safety Caution Concerned to New Refrigerant
  7
- General Tools
  8
- Required Tools for R410A
  8
- Tools
  8
- Environment
  9
- Recharge of Refrigerant
  9
- Branching Joints and Headers
  10
- Combination of Outdoor Units
  10
- Outdoor Units
  10
- Outline
  10
  - Indoor Units
    11
  - Remote Controller Switch
    12
  - Wireless Remote Controller Kit
    12
  - 4-Way Air Discharge Cassette Type
    13
  - Indoor Unit
    13
- Wiring Diagram
  13
  - 2-Way Air Discharge Cassette Type
    14
  - 1-Way Air Discharge Cassette Type
    15
  - High Wall Type
    21
  - Floor Standing Cabinet Type
    22
  - Floor Standing Concealed Type
    23
  - Floor Standing Type
    24
  - Outdoor Unit
    25
- Parts Rating
  26
  - High Wall Type
    28
  - Under Ceiling Type
    28
  - Floor Standing Type
    29
  - Cooling Only Model
    30
  - Heat Pump Model
    30
  - Outdoor Inverter
    31
  - Front Side
    32
  - Parts Layout in Outdoor Unit
    32
  - Rear Side
    32
  - Name of each Part
    33
  - Display Section
    35
  - Operation Section
    35
  - Parts Name of Remote Controller
    35
  - Correct Usage
    37
  - Requirement
    37
  - Automatic Operation (Auto Changeover)
    38
  - Cancel of Timer Operation
    39
  - TIMER Operation
    39
  - Re-Installation
    40
  - Troubles and Causes
    40
  - Confirmation before Operation
    41
  - Defrost During Heating Operation
    41
  - Heating Capacity
    41
  - Information
    41
  - Adjustment of Air Direction
    42
  - How to Set up the Air Direction
    42
  - How to Start Swing
    42
  - How to Stop Swing
    42
  - 2-Way/3-Way Air Discharge
    43
  - Heating Operation
    43
  - In Cooling Operation
    43
  - Left/Right Air Direction Adjustment
    44
  - Under Ceiling Type
    44
  - Up/Down Air Direction Adjustment
    44
  - Concealed Duct Standard Type
    45
  - 3 Minutes Protection Function
    47
  - Air Conditioner Operations and Performance
    47
  - Heating Characteristics
    47
  - Power Failure
    47
  - Cleaning of Air Filter
    48
  - Cleaning of Oil Guard Filter
    48
  - Daily Maintenance
    48
  - Maintenance
    48
  - Cleaning of Discharge Louver
    49
  - Before Cooling Season
    50
  - Cleaning of Drain Pan
    50
  - Concealed Duct High Static Pressure Type
    50
  - Air Inlet Grille
    51
  - Air Outlet Grille/Air Outlet Flap
    51
  - Attachment/Detachment of the Air Filter
    51
  - Cleaning of the Main Unit/Remote Controller
    53
  - Clean the Air Filter Frequently
    54
  - Close Window or Door Often
    54
  - Do Not Cool/Heat the Room Excessively
    54
  - How to Use the Air Conditioner Efficiently
    54
  - When the Following Symptoms Are Found
    55
  - Inverter Unit (5, 6, 8, 10, 12HP)
    56
- Refrigerant Piping Systematic Drawing
  56
  - Explanation of Functional Parts
    57
  - Indoor Unit
    58
- Combined Refrigerant Pipes Systematic Drawing
  59
- Control Outline
  64
- Applied Control
  74
- Test Operation
  88
- Troubleshooting
  128
  - Troubleshooting Summary
    128
  - Check Code List
    129
  - Check Method
    129
  - Display in Wired Remote Controller
    132
  - New Check Code
    132
  - Special Mention
    132
  - Confirmation and Check
    133
  - Confirmation of Error History
    133
  - In Case of Main Remote Controller (RBC-AMT21E)
    133
  - Troubleshooting by Check Display on Remote Controller
    133
  - In Case of TCC-LINK Central Control Remote Controller (TCB-SC642TLE)
    134
  - Display on CHECK Monitor
    135
  - In Case of AI-NET Central Control Remote Controller
    135
  - Operation for CHECK Display
    135
  - Reading of CHECK Monitor Display
    135
  - Error Detected by AI-NET Central Control Device
    147
  - Error Detected by TCC-LINK Central Control Device
    147
  - Cautions When Servicing for Compressor
    148
  - How to Check Inverter Output
    148
  - How to Check Resistance of Compressor Winding
    148
  - How to Check the External Fan Motor
    148
  - Diagnosis Procedure for each Check Code
    149
  - Automatic Address Start Error
    155
  - Communication Error in Indoor P.C. Board A’ssy
    155
  - Duplicated Master Remote Controller
    155
  - No Corresponding Indoor Unit During Automatic Address
    156
  - Connected Indoor Units Capacity over
    157
  - Communication Error between Indoor Header and Follower
    158
  - Header Outdoor Units Quantity Error
    159
  - Unit Connected to Other Line During Automatic Address
    159
  - Communication Sending Error between Outdoor Units
    160
  - Decrease of Connected Outdoor Units
    161
  - Duplicated Follower Outdoor Address Setup
    161
  - Follower Outdoor Unit Error
    162
  - IPDU Communication Error
    162
  - Indoor TC2 Sensor Error
    163
  - Indoor TCJ Sensor Error
    163
  - Indoor TC1 Sensor Error
    164
  - TD1 Sensor Error
    164
  - TD2 Sensor Error
    164
  - TE1 Sensor Error
    164
  - Indoor TA Sensor Error
    165
  - TL Sensor Error
    165
  - TO Sensor Error
    165
  - TS1 Sensor Error
    165
  - Outdoor Temp Sensor Miscabling
    166
  - TH Sensor Error
    166
  - Outdoor Pressure Sensor Miscabling
    167
  - Pd Sensor Error
    168
  - Ps Sensor Error
    168
  - Indoor Other Error
    169
  - Outdoor EEPROM Error
    169
  - Compressor Breakdown
    170
  - Compressor Error (Lock)
    171
  - Current Detective Circuit System Error
    172
  - Compressor 1 Case Thermo Operation
    173
  - Compressor 2 Case Thermo Operation
    173
  - Low-Pressure Protective Operation
    174
  - Oil Level down Detection Protection
    175
  - Clogging Check for SV3B Valve
    176
  - Clogging for SV3E Valve
    176
  - Leakage Check for SV3A Valve
    176
  - Leakage Check for SV3C Valve
    176
  - Clogging Check for Oil-Equalization Circuit
    177
  - Clogging Check for SV3A Valve
    177
  - Oil Level Detective Temperature Sensor Error
    178
  - TK1 Temperature Detective Circuit Error
    178
  - Oil Level Detective Circuit System Error
    179
  - TK3 Temperature Detective Circuit Error
    180
  - TK4 Temperature Detective Circuit Error
    181
  - Duplicated Indoor Header Units
    182
  - Duplicated Setup of Outdoor Line Address
    182
  - Group Line in Individual Indoor Unit
    183
  - Indoor Capacity Unset
    184
  - Indoor Group / Address Unset
    184
  - Duplicated Central Control Addresses
    185
  - Outdoor Capacity Unset
    185
  - Quantity over of Connected Outdoor Units
    185
  - IPDU Quantity Error
    186
  - Extended IC Error
    187
  - Indoor Fan Motor Error
    187
  - Interlock in Indoor Unit from Outside
    187
  - Discharge Temp TD1 Error
    188
  - Actuation of High-Pressure SW
    189
  - Heat Sink Overheat Error
    191
  - Open Phase, Negative Phase
    191
  - Indoor Overflow Error
    192
  - Outdoor Liquid Back Detection Error
    194
  - Gas Leak Detection
    195
  - 4-Way Valve Operation Error
    198
  - High-Pressure Protective Operation
    199
  - Outdoor Fan IPDU Error
    201
  - G-Tr Short-Circuit Protection Error
    202
  - Compressor Position Detective Circuit Error
    203
  - Other Indoor Error
    203
  - AI-NET Communication Line Error
    204
  - 7-Segment Display Function
    205
  - 7-Segment Display on the Outdoor Unit (Interface P.C. Board)
    205
  - How to Read the Check Monitor
    205
  - Data Display of System Information
    206
  - Data Display of Outdoor Unit Information
    207
  - Data Display of Outdoor Cycle
    208
  - Data Display of Indoor Unit Information
    209
  - Outdoor EEPROM Write-In Error Code Display
    209
  - Sensor Characteristics
    210
  - Temperature Sensor Characteristics
    210
  - I/O Cable Connection Table
    211
  - Output Voltage — Pressure
    211
  - Pressure Sensor Characteristics
    211
  - Pd Sensor Characteristics
    212
  - Pressure Sensor Output Check
    212
  - Ps Sensor Characteristics
    213
Indoor Controller Block Diagram
214
Configuration of Control Circuit
214
Backup Operations (Emergency Operation)
228
Oil Level Judgment Display
233
- Before Refrigerant Recovery Operation
  234
- Refrigerant Recovery Procedure
  234
Refrigerant Recovery When Replacing the Compressor
234
Leakage/Clogging of Oil-Equalization Circuit
240
Compressor Replacing Procedure
242
Replacing Compressor
242
- Measurement of Oil Amount in the Defective Compressor
  243
- Removal of Defective Compressor
  243
- Concept of Exchange
  243
- Color Check for Oil of the Defective Compressor
  244
- In Case of Replacing of Troubled Compressor Only
  244
- In Case of Replacing of both Troubled and Normal Compressors
  245
- Measurement of Oil Amount in the Normal Compressor
  245
- Adjustment of Oil Amount in the Service Compressor
  245
- Installation of Compressor
  246
- Vacuuming
  246
- Full Opening of PMV
  246
- Refrigerant Charging
  246
- Propeller Fan Motor
  249
- Cabinet
  249
Reolacing Method of Parts
249
- P.C. Board Exchange Procedures
  259
- Exchange of P.C. Board for Indoor Service
  259
- Requirement at Exchange of P.C. Board Assembly for Indoor Service
  259
- Readout Setup Contents from EEPROM
  260
- Item Code Necessary at Minimum
  260
- Remote Controller Operation Diagram
  260
- Exchange of P.C. Board for Service
  261
- Writing-In of Setup Contents to EEPROM
  262
- EEPROM Layout
  262
- Indoor Unit Capacity
  263
- Make a Note of the Setup Contents
  263
- Cautions in Service for Compressor
  264
- How to Check Outdoor Fan Motor
  264
- How to Check Fan Power Supply P.C. Board and Fan IPDU
  265
- MCC-1439 Front View
  265
- Interface Board Replacement Procedure Manual
  266
- Comp-IPDU Board Replacement Procedure Manual
  267
- Board Layout the Inverte
  267
- Switch Layout on the Board
  267
- Notice for Wiring
  268
- Inverter Assembly Configuration
  269

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