Table Of Contents - Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual

Table of Contents

Preface2
Kx4-6 Series, Kxr4-6 Series Allowed Indoor & Outdoor Unit Combinations2
Combination With New Centralised Controller And Bms Series2
Combination Table2
Table Of Contents3
General Information5
Specific Features5
High Efficiency5
Compact Design5
How To Read The Model Name6
Table Of Models7
Table Of Indoor Units Panel (Optional)7
Outdoor Units Combination Table7
Outdoor Unit8
Exterior Dimensions10
Required Space For Maintenance And Air Flow10
Minimum Allowable Space To The Obstacles10
Electrical Wiring11
Noise Level13
Indoor Unit14
B) Ceiling Cassette-4 Way Compact Type (Fdtc)17
C) Ceiling Cassette-2 Way Type (Fdtw)19
D) Ceiling Cassette-1 Way Type (Fdts)22
E) Ceiling Cassette-1 Way Compact Type (Fdtq)23
F) Duct Connected-High Static Pressure Type (Fdu)26
G) Duct Connected-Low/Middle Static Pressure Type (Fdum)28
H) Duct Connected (Ultra Thin)-Low Static Pressure Type (Fdqs)32
J) Ceiling Suspended Type (Fde)36
K) Floor Standing (With Casing) Type (Fdfl)39
L) Floor Standing (Without Casing) Type (Fdfu)40
Ceiling Cassette-4 Way Type (Fdt)41
Ceiling Cassette-4 Way Type (Fdtc)43
Ceiling Cassette-2 Way Type (Fdtw)44
Ceiling Cassette-1 Way Type (Fdts)47
Ceiling Cassette-1 Way Compact Type (Fdtq)49
Direct Blow Panel (Tq-Psa-15W-E)49
Direct Blow Panel (Tq-Psb-15W-E)50
Duct Panel (Qr-Pna-14W-Er)51
Duct Panel (Qr-Pnb-14W-Er)52
Duct Connected-High Static Pressure Type (Fdu)53
Duct Connected-Low/Middle Static Pressure Type (Fdum)55
Duct Connected (Ultra Thin)-Low Static Pressure Type (Fdqs)59
Space For Installation And Service59
Wall Mounted Type (Fdk)61
Ceiling Suspended Type (Fde)63
Floor Standing (With Casing) Type (Fdfl)65
Remote Controller (Optional Parts)66
Installation With Wiring Exposed66
Installation With Wiring Recessed66
Remote Controller Mounting Dimensions66
Invalidating The Louver Button75
Duct Connected - High Static Pressure Type76
Wall Mounted Type80
Exterior Appearance86
Characteristics Of Fan89
Common Information102
Calculation Of Total Operation Characteristics105
Total Power Consumption105
Total Running Current105
Total Power Factor105
Range Of Usage & Limitations106
Branch Pipe Method (Using Branch Piping)106
Header System (Header Used)106
Rage Of Usage & Limitations107
Piping System108
Selection Chart109
Equipment Selection Flow109
Capacity Calculation Method110
Capacity Calculation Examples110
Calculating The Indoor Unit Capacity Compensation110
Calculating The Outdoor Unit Capacity Compensation110
System Cooling Capacity111
Indoor Unit Capacity Compensation111
Outdoor Unit Maximum Cooling Capacity111
Outdoor Unit Maximum Heating Capacity112
Capacity Compensation Coefficient112
Power Consumption Correction Factor113
Power Consumption Compensation Coeffcient115
Sensible Heat Capacity116
Application Data174
Safety Precautions174
Installation Of Indoor Unit175
Selection Of Installation Location For The Indoor Unit175
Preparation Before Installation176
Set Blow-Out Pattern176
Ceiling Opening, Suspension Bolts Pitch, Pipe Position176
Work Procedure177
Refrigerant Pipe178
Drain Pipe179
Drain Up180
Drain Test180
Drain Pump Operation180
Wiring-Out Position And Wiring Connection181
How To Check The Dirt Of Drain Pan (Maintenance)182
The Method Of Checking The Dirt Of Drain Pan182
Attention For Removing Drain Pan182
Ceiling Cassete-4 Way Compact Type (Fdtc)183
Selection Of Installation Location183
Installation Space For Unit183
Drain Piping184
When Suspended From The Ceiling184
When Embedded Into Ceiling184
Drainage Test185
Forced Drain Pump Operation185
Panel Installation186
Cold Air Throw188
Preparations For Installation189
Dimension Table189
If There Is A Ceiling190
If Ceiling Is To Be Installed Later190
When Using A Natural Drain Port191
Preparation Of Indoor Unit193
Procedures Of Rework193
Installation On Higher Ceiling193
Unit Heigh193
Standard Iocation194
Ceiling Hole Size And Position Of Suspension Bolt194
Length Of Fixed Suspension Bolt194
Check Of Levelness196
Good Piping196
Improper Piping196
Mounting The Panel198
Installation Space For The Indoor Unit199
Suspending The Unit200
When Hanging From The Ceiling200
Indoor Unit Repair Procedure For Duct Connection204
Drill Hole For Duct204
Blower Fan Tap Switch204
Louver Switch Disabled Setting204
Duct Work205
Outside Air Intake205
Duct Connection205
Checking Of Indoor Unit Installation Level205
Suspension Bolt Location208
Pipe Locations208
Adjustment For Horizontality209
Bad Example Of Duct Work210
Piping Work210
Tap Selection On Blower Unit214
Setup From A Unit Side221
Setup From A Remote Controller Side221
Drainage From The Lower Drain Socket221
I) Ceiling Suspended Type (Fde)226
J) Wall Mounted Type (Fdk)230
Installation Of Remote Controller (Option Parts)241
Recessed Fitting241
Precation In Extending The Remote Controller Cord241
Indoor And Outdoor Unit Combinations242
Selecting The Installation Location242
Installation Of Outdoor Unit242
Installation Space (Ex. Servicing Space)243
Unit Delivery And Installation243
Bolt Fastening Positions244
Refrigerant Piping Restrictions244
Refrigerant Piping Size Selection244
Unit Piping Specifications245
Selection Of On Indoor Unit Side Branching Pipe Set246
Method Of Selecting A Branching Pipe Set246
Header Method246
Example Of Piping247
Branch System247
Header System248
Piping Connection Position And The Piping Remove Direction249
On-Site Piping Work249
Air Tightness Test And Air Purge251
Air Tightness Test251
Vacuuming251
Additional Refrigerant Charge253
Adding Additional Refrigerant253
Heat Insulation For Prevention Of Dew Condensation254
Electrical Wiring Work255
Wiring System Diagrams255
Method Of Connecting Power Cables256
Method Of Leading Out Cables256
Power Source Specifications256
How To Connect Signal Cables257
Indoor And Outdoor Signal Wires257
Controller Settings258
Power Cable And Signal Line Connection258
Remote Controller Wiring Specifications258
Unit Address Setting258
Address Setting Methods259
Address No. Setting259
Summary Of Address Setting Method260
Manual Address Setting260
Automatic Address Setting260
In The Case Of A Single Refrigerant System Installation260
In The Case Of A Multiple Refrigerant Systems Installation261
Address Change (Available Only With New Sl)263
7 Segment Display Indication In Automatic Address Setting265
Items That Are To Be Set By The Customer265
7 Segment Display Indication In Automatic Address Setting.265
Address Setting Failure Indication265
Control Switching266
External Input And Output Specifications266
Test Operation267
Before Beginning Operation267
Test Run From An Outdoor Unit267
Transfer267
Setting Function With The Wired Remote Controller268
Cautions For Servicing (For R410A And Compatible Machines)268
Remote Controller Function269
Indoor Unit Function270
The Range Of Temperature Setting272
How To Set Upper And Lower Limit Value272
Trail Operation Of Drain Pump273
To Start A Forced Drain Pump Operation273
To Cancel A Drain Pump Operation273
How To Set The Airflow Direction274
Range Of Louver Setting276
Fde Series277
Notabilia As A Unit Designed For R410A279
Outline Of Operation Control By Microcomputer280
Wired Remote Controller (Optional Parts)280
Operation Control Function By The Indoor Controller281
Operations Of Functional Items During Cooling/Heating281
Dehumidifying Operation281
Timer Operation [Applicable Model: All Models]281
Remote Controller Display During The Operation Stop282
Hot Start (Prevention Of Cold Draft During Heating)282
Hot Keep282
Fan Control During The Heating Thermostat Off282
Filter Sign283
Auto Swing Control283
Compressor Inching Prevention Control283
Louver Control283
Drain Motor (Dm) Control284
Operation Check/Drain Pump Test Run Operation Mode284
Indoor Heat Exchanger Anti-Frost (Anti-Frost Control)284
Thermostat Off Control284
Anomalous Fan Motor (Fdt And Fdk Only)285
High Ceiling Control285
Hot Start285
Detection Room Temperature Compensation During Heating285
External Control (Remote Display)/Remote Operation286
Remote Operation Input286
Processing Of Emergency Stop Signal286
Fresh Air Processing Operation Input286
Dip Switch Function287
Model Capacity Selection With Sw6287
Operation Control Function By The Remote Controller288
Switching Sequence Of The Operation Mode Switches Of Remote Controller288
Cpu Reset288
Power Failure Compensation Function288
Operation Control Function By The Outdoor Controller289
Normal Control289
Operation Of Major Functional Components Under Each Operation Mode289
Compressor Control289
Defrost (Defrost Control)290
Fan Control During Heating290
Temperature Condition Of Defrosting290
End Conditions290
Protective Control291
Discharge Pipe Temperature Control291
High Pressure Control291
Low Pressure Control291
Current Safe Setting Value292
Compressor Upper Limit Frequency Control292
Power Transistor Temperature (Pt) Protective Control292
Optional Controls293
Functions Of Outdoor Pcb Connectors Cns1 And Cnz1293
Cns1 Connector293
Cnz1 Connector293
External Input And Demand Input294
Operation Permission And Prohibition Modes294
Demand Control294
Operation/ Stop Control By The Demand Input Cns1 Of Outdoor Unit295
Silent Mode Control296
Start Conditions296
Control Contents296
End Condition296
Outdoor Fan Snow Protection Control297
Contents Pf Outdoor Fan Snow Protection Control297
End Conditions Of Outdoor Fan Snow Protection Control297
External Output Function297
Energy Saving Mode Control298
Forced Cooling/Heating Operation298
Emergency Stop Control298
Pump Down Operation Control At Removal Of Unit299
Data Output300
7-Segment And Operation Data Retention300
List Of 7-Segment Displays302
Saving Of Operation Data308
System Troubleshooting Procedure318
Explanation Of Troubleshooting319
Power Off (Power Supply Circuit Breaker Off)319
Checking Method Of Power Transistor Module (Including Drive Circuit)319
Contents Of Troubleshooting320
List Of Inspection Displays320
Operates But Does Not Cool321
Operates But Does Not Heat322
Earth Leakage Breaker Activated323
Excessive Noise/Vibration324
Louver Motor Failure327
Power Supply System Error328
Master Unit330
No Display333
Remote Controller Communication Error334
Duplicated Indoor Unit Address335
Outdoor Unit Signal Line Error336
Communication Error During Operation337
Indoor Heat Exchanger Temperature Thermistor Anomaly338
Condition Of Error Displayed -26338
When The Temperature Thermistor Detects -50338
C Or Lower For 5 Seconds -22338
Continuously, The Compressor -21338
Stops. After 3-Minutes Delay, -20338
The Compressor Starts Again -19338
Automatically, But If This338
Anomaly Occurs Again Within338
Minutes After The Initial Detection338
Intake Air Temperature Thermistor Anomaly339
Drain Trouble340
Excessive Number Of Indoor Units (Moe Than 17 Units)341
Address Setting Error By Mixed Setting Method342
Indoor Fan Motor Anomaly343
Applicable Model343
Error Detection Method343
Condition Of Error Displayed343
Indoor Unit Operation Check, Drain Motor Check Setting Error345
Remote Controller Temperature Thermistor Anomaly346
Defective Remote Controller Temperature Thermistor346
Unmatch Connection Of Indoor And Outdoor Unit347
Pcb -4347
Duplicated Outdoor Unit Address No.348
Open L3 Phase On Power Supply At Primary Side349
Remote Controller: E56 Indoor Keeps Flashing Stays Off349
Discharge Pipe Temperature Error350
Liqiud Flooding Anomaly351
Ambient Air Temperature Thermistor Anomaly (Tho-A)353
Discharge Pipe Temperature Thermistor Anomaly (Tho-D1)354
High Pressure Error (63H1-1 Activated)355
Current Cut356
Outdoor Keeps Flashing Stays Off*1358
Troubleshooting358
Yes358
Mixed Address Setting Methods Coexistent In Same Network360
Outdoor Dc Fan Motor Anomaly361
Low Pressure Error362
Suction Pipe Temperature Thermistor Anomaly (Tho-S)363
Under-Dome Temperature Thermistor Anomaly (Tho-C1)363
High Pressure Sensor364
Low Pressure Sensor Anomaly364
Power Transitor Temperature Thermistor Anomaly (Tho-P1, Tho-P2)365
Anomalous Compressor By Loss Of Synchronism366
Compressor Startup Failure367
Emergency Stop368
Replacement Of Pcb At Outdoor Unit Side369
Control Pcb369
Inverter Pcb370
Function Of Dip Switch For Contol372
Wireless Kit373
Fdt Series374
How To Install The Receiver374
Setting On Site374
Installation Of The Receiver376
Installation Of The Controller Holder377
How To Insert Batteries377
Installation Tips For The Remote Controller Holder377
Control Plural Indoor Units With One Remote Controller378
Master/Slave Setting When Using Plural Remote Controllers378
Wireless Remote Controller's Operable Area378
How To Disable The Auto Mode Operation379
Backup Button380
Cooling Test Run Operation380
How To Read The Two-Digit Display380
Fdtc Series381
Except For Fdt & Fdtc Series388
Wireless Remote Controller's Operable Area388
When Installed On Wall388
Direct Installation Onto The Ceiling With Screws389
Installation With Enclosed Bracket390
Methods Of Avoiding The Malfunction Due To The Mixed Communication392
Setting Change Of The Wireless Remote Controller392
Setting The Pcb Of The Receiver392