Mitsubishi Heavy Industries FDFU71KXE6 Manuals

Manuals and User Guides for Mitsubishi Heavy Industries FDFU71KXE6. We have 2 Mitsubishi Heavy Industries FDFU71KXE6 manuals available for free PDF download: Technical Manual, Service Manual

Mitsubishi Heavy Industries FDFU71KXE6 Technical Manual

Mitsubishi Heavy Industries FDFU71KXE6 Technical Manual (395 pages)

Brand: Mitsubishi Heavy Industries | Category: Air Conditioner | Size: 34.22 MB

Table of Contents

Combination Table
2
Combination with New Centralised Controller and BMS Series
2
KX4-6 Series, KXR4-6 Series Allowed Indoor & Outdoor Unit Combinations
2
Preface
2
Table of Contents
3
1 General Information

5
- Compact Design
  5
- High Efficiency
  5
- Specific Features
  5
- How to Read the Model Name
  6
  - Outdoor Units Combination Table
    7
  - Table of Indoor Units Panel (Optional)
    7
- Table of Models
  7
- Outdoor Unit
  8
2 Outdoor Unit

10
- Exterior Dimensions
  10
- Noise Level
  13
3 Indoor Unit

14
4 Common Information

102
- Calculation of Total Operation Characteristics
  105
- Total Power Consumption
  105
- Total Power Factor
  105
- Total Running Current
  105
- Branch Pipe Method (Using Branch Piping)
  106
- Header System (Header Used)
  106
- Range of Usage & Limitations
  106
- Rage of Usage & Limitations
  107
- Piping System
  108
- Equipment Selection Flow
  109
- Selection Chart
  109
- Application Data
  174
  - Safety Precautions
    174
  - Installation of Indoor Unit
    175
    
    Selection of Installation Location for the Indoor Unit
    175
    
    Ceiling Opening, Suspension Bolts Pitch, Pipe Position
    176
    
    Preparation before Installation
    176
    
    Set Blow-Out Pattern
    176
    
    Work Procedure
    177
    
    Refrigerant Pipe
    178
    
    Drain Pipe
    179
    
    Drain Pump Operation
    180
    
    Drain Test
    180
    
    Drain up
    180
    
    Wiring-Out Position and Wiring Connection
    181
    
    Attention for Removing Drain Pan
    182
    
    How to Check the Dirt of Drain Pan (Maintenance)
    182
    
    The Method of Checking the Dirt of Drain Pan
    182
    
    Ceiling Cassete-4 Way Compact Type (FDTC)
    183
    
    Installation Space for Unit
    183
    
    Selection of Installation Location
    183
    
    Drain Piping
    184
    
    When Embedded into Ceiling
    184
    
    When Suspended from the Ceiling
    184
    
    Drainage Test
    185
    
    Forced Drain Pump Operation
    185
    
    Panel Installation
    186
    
    C) Ceiling Cassette-2 Way Type (FDTW)
    188
    
    Cold Air Throw
    188
    
    Dimension Table
    189
    
    Preparations for Installation
    189
    
    If Ceiling Is to be Installed Later
    190
    
    If There Is a Ceiling
    190
    
    When Using a Natural Drain Port
    191
    
    D) Ceiling Cassette-1 Way Type (FDTS)
    193
    
    Installation on Higher Ceiling
    193
    
    Preparation of Indoor Unit
    193
    
    Procedures of Rework
    193
    
    Unit Heigh
    193
    
    Ceiling Hole Size and Position of Suspension Bolt
    194
    
    Length of Fixed Suspension Bolt
    194
    
    Standard Iocation
    194
    
    Check of Levelness
    196
    
    Good Piping
    196
    
    Improper Piping
    196
    
    Mounting the Panel
    198
    
    E) Ceiling Cassette-1 Way Compact Type (FDTQ)
    199
    
    Installation Space for the Indoor Unit
    199
    
    Suspending the Unit
    200
    
    When Hanging from the Ceiling
    200
    
    Blower Fan Tap Switch
    204
    
    Drill Hole for Duct
    204
    
    Indoor Unit Repair Procedure for Duct Connection
    204
    
    LOUVER Switch Disabled Setting
    204
    
    Checking of Indoor Unit Installation Level
    205
    
    Duct Connection
    205
    
    Duct Work
    205
    
    Outside Air Intake
    205
    
    F) Duct Connected-High Static Pressure Type (FDU)
    207
    
    Pipe Locations
    208
    
    Suspension Bolt Location
    208
    
    Adjustment for Horizontality
    209
    
    Bad Example of Duct Work
    210
    
    Piping Work
    210
    
    Tap Selection on Blower Unit
    214
    
    G) Duct Connected-Low/Middle Static Pressure Type (FDUM)
    215
    
    Drainage from the Lower Drain Socket
    221
    
    Setup from a Remote Controller Side
    221
    
    Setup from a Unit Side
    221
    
    H) Duct Connected (Ultra Thin)-Low Static Pressure Type (FDQS)
    222
    
    I) Ceiling Suspended Type (FDE)
    226
    
    J) Wall Mounted Type (FDK)
    230
    
    K) Floor Standing (with Casing) Type (FDFL)
    235
  - Installation of Remote Controller (Option Parts)
    241
    
    Precation in Extending the Remote Controller Cord
    241
    
    Recessed Fitting
    241
    
    Indoor and Outdoor Unit Combinations
    242
  - Installation of Outdoor Unit
    242
    
    Selecting the Installation Location
    242
    
    Installation Space (Ex. Servicing Space)
    243
    
    Unit Delivery and Installation
    243
    
    Bolt Fastening Positions
    244
    
    Refrigerant Piping Restrictions
    244
    
    Refrigerant Piping Size Selection
    244
    
    Unit Piping Specifications
    245
    
    Header Method
    246
    
    Method of Selecting a Branching Pipe Set
    246
    
    Selection of on Indoor Unit Side Branching Pipe Set
    246
    
    Branch System
    247
    
    Example of Piping
    247
    
    Header System
    248
    
    On-Site Piping Work
    249
    
    Piping Connection Position and the Piping Remove Direction
    249
    
    Air Tightness Test
    251
    
    Air Tightness Test and Air Purge
    251
    
    Vacuuming
    251
    
    Adding Additional Refrigerant
    253
    
    Additional Refrigerant Charge
    253
    
    Heat Insulation for Prevention of Dew Condensation
    254
    
    Electrical Wiring Work
    255
    
    Wiring System Diagrams
    255
    
    Method of Connecting Power Cables
    256
    
    Method of Leading out Cables
    256
    
    Power Source Specifications
    256
    
    How to Connect Signal Cables
    257
    
    Indoor and Outdoor Signal Wires
    257
  - Controller Settings
    258
    
    Power Cable and Signal Line Connection
    258
    
    Remote Controller Wiring Specifications
    258
    
    Unit Address Setting
    258
    
    Address No. Setting
    259
    
    Address Setting Methods
    259
    
    Automatic Address Setting
    260
    
    In the Case of a Single Refrigerant System Installation
    260
    
    Manual Address Setting
    260
    
    Summary of Address Setting Method
    260
    
    In the Case of a Multiple Refrigerant Systems Installation
    261
    
    Address Change (Available Only with New SL)
    263
    
    7 Segment Display Indication in Automatic Address Setting
    265
    
    7 Segment Display Indication in Automatic Address Setting.
    265
    
    Address Setting Failure Indication
    265
    
    Items that Are to be Set by the Customer
    265
    
    Control Switching
    266
    
    External Input and Output Specifications
    266
    
    Before Beginning Operation
    267
  - Test Operation
    267
    
    Test Run from an Outdoor Unit
    267
    
    Transfer
    267
  - Cautions for Servicing (for R410A and Compatible Machines)
    268
    
    Setting Function with the Wired Remote Controller
    268
    
    Remote Controller Function
    269
    
    Indoor Unit Function
    270
    
    How to Set Upper and Lower Limit Value
    272
    
    The Range of Temperature Setting
    272
    
    To Cancel a Drain Pump Operation
    273
    
    To Start a Forced Drain Pump Operation
    273
    
    Trail Operation of Drain Pump
    273
    
    How to Set the Airflow Direction
    274
    
    Range of Louver Setting
    276
    
    FDE Series
    277
  - Notabilia as a Unit Designed for R410A
    279
- Outline of Operation Control by Microcomputer
  280
  - Wired Remote Controller (Optional Parts)
    280
  - Dehumidifying Operation
    281
  - Operation Control Function by the Indoor Controller
    281
    
    Operations of Functional Items During Cooling/Heating
    281
    
    Timer Operation [Applicable Model: All Models]
    281
    
    Fan Control During the Heating Thermostat off
    282
    
    Hot Keep
    282
    
    Hot Start (Prevention of Cold Draft During Heating)
    282
    
    Remote Controller Display During the Operation Stop
    282
    
    Auto Swing Control
    283
    
    Compressor Inching Prevention Control
    283
    
    Filter Sign
    283
    
    Louver Control
    283
    
    Drain Motor (DM) Control
    284
    
    Indoor Heat Exchanger Anti-Frost (Anti-Frost Control)
    284
    
    Operation Check/Drain Pump Test Run Operation Mode
    284
    
    Thermostat off Control
    284
    
    Anomalous Fan Motor (FDT and FDK Only)
    285
    
    Detection Room Temperature Compensation During Heating
    285
    
    High Ceiling Control
    285
    
    Hot Start
    285
    
    External Control (Remote Display)/Remote Operation
    286
    
    Fresh Air Processing Operation Input
    286
    
    Processing of Emergency Stop Signal
    286
    
    Remote Operation Input
    286
    
    Dip Switch Function
    287
    
    Model Capacity Selection with SW6
    287
    
    CPU Reset
    288
  - Operation Control Function by the Remote Controller
    288
    
    Power Failure Compensation Function
    288
    
    Switching Sequence of the Operation Mode Switches of Remote Controller
    288
    
    Compressor Control
    289
    
    Normal Control
    289
  - Operation Control Function by the Outdoor Controller
    289
    
    Operation of Major Functional Components under each Operation Mode
    289
    
    Defrost (Defrost Control)
    290
    
    End Conditions
    290
    
    Fan Control During Heating
    290
    
    Temperature Condition of Defrosting
    290
    
    Discharge Pipe Temperature Control
    291
    
    High Pressure Control
    291
    
    Low Pressure Control
    291
    
    Protective Control
    291
    
    Compressor Upper Limit Frequency Control
    292
    
    Current Safe Setting Value
    292
    
    Power Transistor Temperature (PT) Protective Control
    292
    
    CNS1 Connector
    293
    
    CNZ1 Connector
    293
    
    Functions of Outdoor PCB Connectors CNS1 and CNZ1
    293
    
    Optional Controls
    293
    
    Demand Control
    294
    
    External Input and Demand Input
    294
    
    Operation Permission and Prohibition Modes
    294
    
    Operation/ Stop Control by the Demand Input Cns1 of Outdoor Unit
    295
    
    Control Contents
    296
    
    End Condition
    296
    
    Silent Mode Control
    296
    
    Start Conditions
    296
    
    Contents Pf Outdoor Fan Snow Protection Control
    297
    
    End Conditions of Outdoor Fan Snow Protection Control
    297
    
    External Output Function
    297
    
    Outdoor Fan Snow Protection Control
    297
    
    Emergency Stop Control
    298
    
    Energy Saving Mode Control
    298
    
    Forced Cooling/Heating Operation
    298
    
    Pump down Operation Control at Removal of Unit
    299
    
    7-Segment and Operation Data Retention
    300
    
    Data Output
    300
    
    List of 7-Segment Displays
    302
    
    Saving of Operation Data
    308
- System Troubleshooting Procedure
  318
  - Explanation of Troubleshooting
    319
    
    Checking Method of Power Transistor Module (Including Drive Circuit)
    319
    
    Power off (Power Supply Circuit Breaker OFF)
    319
  - Contents of Troubleshooting
    320
    
    List of Inspection Displays
    320
    
    Operates but Does Not Cool
    321
    
    Operates but Does Not Heat
    322
    
    Earth Leakage Breaker Activated
    323
    
    Excessive Noise/Vibration
    324
    
    Louver Motor Failure
    327
    
    Power Supply System Error
    328
    
    Master Unit
    330
    
    No Display
    333
    
    Remote Controller Communication Error
    334
    
    Duplicated Indoor Unit Address
    335
    
    Outdoor Unit Signal Line Error
    336
    
    Communication Error During Operation
    337
    
    Indoor Heat Exchanger Temperature Thermistor Anomaly
    338
  - Condition of Error Displayed -26
    338
  - When the Temperature Thermistor Detects -50
    338
  - C or Lower for 5 Seconds -22
    338
  - Continuously, the Compressor -21
    338
  - Stops. after 3-Minutes Delay, -20
    338
  - The Compressor Starts Again -19
    338
  - Automatically, but if this
    338
  - Anomaly Occurs Again Within
    338
  - Minutes after the Initial Detection
    338
    
    Intake Air Temperature Thermistor Anomaly
    339
    
    Drain Trouble
    340
    
    Excessive Number of Indoor Units (Moe than 17 Units)
    341
    
    Address Setting Error by Mixed Setting Method
    342
    
    Indoor Fan Motor Anomaly
    343
  - Applicable Model
    343
  - Error Detection Method
    343
  - Condition of Error Displayed
    343
    
    Indoor Unit Operation Check, Drain Motor Check Setting Error
    345
    
    Remote Controller Temperature Thermistor Anomaly
    346
  - Defective Remote Controller Temperature Thermistor
    346
  - Unmatch Connection of Indoor and Outdoor Unit
    347
  - Pcb -4
    347
    
    Duplicated Outdoor Unit Address No.
    348
    
    Open L3 Phase on Power Supply at Primary Side
    349
  - Remote Controller: E56 Indoor Keeps Flashing Stays off
    349
    
    Discharge Pipe Temperature Error
    350
    
    Liqiud Flooding Anomaly
    351
  - Minutes after the Initial Detection
    352
    
    Ambient Air Temperature Thermistor Anomaly (Tho-A)
    353
    
    Discharge Pipe Temperature Thermistor Anomaly (Tho-D1)
    354
    
    High Pressure Error (63H1-1 Activated)
    355
    
    Current Cut
    356
  - Outdoor Keeps Flashing Stays Off*1
    358
  - Applicable Model
    358
  - Troubleshooting
    358
  - Error Detection Method
    358
  - Yes
    358
  - Condition of Error Displayed
    358
    
    Mixed Address Setting Methods Coexistent in same Network
    360
    
    Outdoor DC Fan Motor Anomaly
    361
    
    Low Pressure Error
    362
    
    Suction Pipe Temperature Thermistor Anomaly (Tho-S)
    363
    
    Under-Dome Temperature Thermistor Anomaly (Tho-C1)
    363
  - Minutes after the Initial Detection
    363
    
    High Pressure Sensor
    364
    
    Low Pressure Sensor Anomaly
    364
    
    Power Transitor Temperature Thermistor Anomaly (Tho-P1, Tho-P2)
    365
    
    Anomalous Compressor by Loss of Synchronism
    366
    
    Compressor Startup Failure
    367
    
    Emergency Stop
    368
  - Replacement of PCB at Outdoor Unit Side
    369
    
    Control PCB
    369
    
    Inverter PCB
    370
    
    Function of Dip Switch for Contol
    372
    
    Wireless Kit
    373
    
    Fdt Series
    374
    
    How to Install the Receiver
    374
    
    Setting on Site
    374
    
    Installation of the Receiver
    376
    
    How to Insert Batteries
    377
    
    Installation of the Controller Holder
    377
    
    Installation Tips for the Remote Controller Holder
    377
    
    Control Plural Indoor Units with One Remote Controller
    378
    
    Master/Slave Setting When Using Plural Remote Controllers
    378
    
    Wireless Remote Controller's Operable Area
    378
    
    How to Disable the Auto Mode Operation
    379
    
    Backup Button
    380
    
    Cooling Test Run Operation
    380
    
    How to Read the Two-Digit Display
    380
    
    Fdtc Series
    381
    
    Except for Fdt & Fdtc Series
    388
    
    When Installed on Wall
    388
    
    Wireless Remote Controller’s Operable Area
    388
    
    Direct Installation Onto the Ceiling with Screws
    389
    
    Installation with Enclosed Bracket
    390
    
    Methods of Avoiding the Malfunction Due to the Mixed Communication
    392
    
    Setting Change of the Wireless Remote Controller
    392
    
    Setting the PCB of the Receiver
    392

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Mitsubishi Heavy Industries FDFU71KXE6 Service Manual

Mitsubishi Heavy Industries FDFU71KXE6 Service Manual (218 pages)

INVERTER DRIVEN MULTI-INDOOR UNIT CLIMATE CONTROL SYSTEM

Brand: Mitsubishi Heavy Industries | Category: Air Conditioner | Size: 48.92 MB

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