Daikin D-Series User manual

Si18 - 525B
[Applied Models]
 Super Multi Plus : Cooling only
 Super Multi Plus : Heat Pump
D-Series

Si18-525B
Table of Contents i
SUPER MULTI PLUS
D-Series
Cooling Only
Indoor Unit
<R-410A>
FTKS25DVM FTKS20DVMA FDKS25CVMB FFQ25B7V1B
FTKS35DVM FTKS25DVMA FDKS35CVMB FFQ35B7V1B
FTKS50BVMB FTKS35DVMA CDKS50CVMB FFQ50B7V1B
FTKS60BVMB FTKS50BVMA8 CDKS60CVMB FFQ60B7V1B
FTKS71BVMB FTKS60BVMA8 CDKS25CVMA FCQ35BVE
FTK50AZVMB FTKS71BVMA8 CDKS35CVMA FCQ50BVE
FTK60AZVMB CDKS50CVMA FCQ60BVE
FTK71AZVMB CDKS60CVMA FCQ71BVE
FBQ60BV1
FBQ71BV1
FHQ35BUV1B9
FHQ50BUV1B9
FHQ60BUV1B9
<R-22>
FTKD25DVM FTK50AVM CDKD25CVM CDKD25EAVM
FTKD35DVM FTK60AVM CDKD35CVM CDKD35EAVM
FTKD50FVM FTK71AVM CDKD50CVM
FTKD60FVM CDKD60CVM
FTKD71FVM
Outdoor Unit
<R-410A>
RMKS112DVM RMKS112DV1A BPMKS967A2 BPMKS967A2B
RMKS140DVM RMKS140DV1A BPMKS967A3 BPMKS967A3B
RMKS160DVM RMKS160DV1A
<R-22>
RMKD112DVM BPMKD967A2
RMKD140DVM BPMKD967A3
RMKD160DVM

Si18-525B
ii Table of Contents
Heat Pump
Indoor Unit
<R-410A>
FTXS20DVMA CDXS25CVMA FLXS25BVMA FFQ25B7V1B
FTXS25DVMA CDXS35CVMA FLXS35BVMA FFQ35B7V1B
FTXS35DVMA CDXS50CVMA FLXS50BVMA FFQ50B7V1B
FTXS50BVMA8 CDXS60CVMA FLXS60BVMA FFQ60B7V1B
FTXS60BVMA8 CDXS25DVMT FVXS35BVMA FCQ35BVE
FTXS71BVMA8 CDXS35DVMT FVXS50BVMA FCQ50BVE
FTXS20DVMT CDXS50DVMT FCQ60BVE
FTXS25DVMT CDXS60DVMT FCQ71BVE
FTXS35DVMT FBQ60BV1
FTXS50DVMT FBQ71BV1
FTXS60DVMT FBQ60BVL
FTXS71DVMT FBQ71BVL
FHQ35BUV1B9
FHQ50BUV1B9
FHQ60BUV1B9
Outdoor Unit
<R-410A>
RMXS112DVM RMXS112DV1A RMXS112DVLT BPMKS967A2
RMXS140DVM RMXS140DV1A RMXS140DVLT BPMKS967A3
RMXS160DVM RMXS160DV1A RMXS160DVLT

Si18-525B
Table of Contents iii
1. Introduction .......................................................................................... viii
1.1 Safety Cautions..................................................................................... viii
1.2 Used Icons ............................................................................................. xii
Part 1 List of Functions ................................................................ 1
1. List of Functions......................................................................................2
1.1 Cooling Only.............................................................................................2
1.2 Heat Pump .............................................................................................13
Part 2 Specifications .................................................................. 21
1. Specifications........................................................................................22
1.1 Cooling Only...........................................................................................22
1.2 Heat Pump .............................................................................................42
Part 3 Printed Circuit Board Connector Wiring Diagram ........... 59
1. Printed Circuit Board Connector Wiring Diagram..................................60
1.1 Outdoor Unit...........................................................................................60
1.2 Branch Provider Unit ..............................................................................66
1.3 Wall Mounted Type ................................................................................67
1.4 Duct Connected Type.............................................................................76
1.5 Floor / Ceiling Suspended Dual Type.....................................................78
1.6 Floor Standing Type...............................................................................81
1.7 Ceiling Mounted Cassette Type (600×600)............................................84
1.8 Ceiling Mounted Cassette Type (950×950)............................................87
1.9 Ceiling Mounted Built-in Type ................................................................90
1.10 Ceiling Suspended Type........................................................................92
Part 4 Refrigerant Circuit ........................................................... 95
1. Refrigerant Circuit.................................................................................96
1.1 Outdoor Units .........................................................................................96
1.2 BP Units .................................................................................................98
2. Functional Parts Layout ........................................................................99
2.1 Outdoor Units .........................................................................................99
3. Refrigerant Flow for Each Operation Mode.........................................100
3.1 Cooling Operation ................................................................................100
3.2 Heating Operation................................................................................101
3.3 Cooling Oil Return Operation...............................................................102
3.4 Heating Oil Return Operation & Defrost Operation ..............................103
Part 5 Function.......................................................................... 105
1. Operation Mode ..................................................................................107
2. Basic Control.......................................................................................108
2.1 Normal Operation.................................................................................108
2.2 Compressor PI Control.........................................................................109
2.3 Electronic Expansion Valve PI Control.................................................112
2.4 Cooling Operation Fan Control.............................................................113

Si18-525B
iv Table of Contents
3. Special Control....................................................................................114
3.1 Startup Control.....................................................................................114
3.2 Oil Return Operation ............................................................................115
3.3 Defrosting Operation............................................................................117
3.4 Pump-down Residual Operation ..........................................................118
3.5 Restart Standby....................................................................................118
3.6 Stopping Operation ..............................................................................119
3.7 Pressure Equalization Prior to Startup.................................................119
4. Protection Control ...............................................................................120
4.1 High Pressure Protection Control.........................................................120
4.2 Low Pressure Protection Control..........................................................122
4.3 Discharge Pipe Protection Control.......................................................123
4.4 Inverter Protection Control ...................................................................124
4.5 Freeze-up Protection Control...............................................................125
4.6 Dew Condensation Prevention Control ................................................126
5. Other Control.......................................................................................127
5.1 Demand Operation...............................................................................127
5.2 Heating Operation Prohibition ..............................................................127
6. BP Unit Control ...................................................................................128
6.1 BP Unit Command Conversion ............................................................128
6.2 BP Unit Electronic Expansion Valve Control........................................129
6.3 SH Control in Cooling Operation..........................................................131
6.4 SC Control in Heating Operation..........................................................132
6.5 Heat Exchanger Isothermal Control in Heating Operation...................132
7. Indoor Unit (RA Models)......................................................................133
7.1 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing ........133
7.2 Fan Speed Control for Indoor Units......................................................134
7.3 Programme Dry Function.....................................................................135
7.4 Automatic Operation.............................................................................136
7.5 Thermostat Control...............................................................................137
7.6 Night Set Mode.....................................................................................138
7.7 ECONO Mode......................................................................................139
7.8 MOLD PROOF Operation ....................................................................139
7.9 INTELLIGENT EYE..............................................................................140
7.10 HOME LEAVE Operation.....................................................................142
7.11 Inverter POWERFUL Operation...........................................................143
7.12 Other Functions....................................................................................144
8. Indoor Unit (SkyAir Models)................................................................146
8.1 Function Outline...................................................................................146
8.2 Electric Function Parts .........................................................................147
8.3 Function Details....................................................................................148
Part 6 Test Operation ............................................................... 159
1. Test Operation ....................................................................................160
1.1 Procedure and Outline .........................................................................160
2. Outdoor Unit PCB Layout....................................................................165
3. Field Setting........................................................................................166
3.1 Field Setting from Outdoor Unit............................................................166
3.2 Detail of Setting Mode..........................................................................172

Si18-525B
Table of Contents v
4. Field Setting for SkyAir Indoor Unit.....................................................182
4.1 Explanation...........................................................................................182
4.2 Field Setting .........................................................................................183
4.3 Initial Setting Contents .........................................................................184
4.4 Local Setting Mode Number.................................................................185
4.5 Detailed Explanation of Setting Modes ................................................186
4.6 Centralized Group No. Setting .............................................................190
4.7 Maintenance Mode Setting...................................................................191
5. Test Operation and Field Setting for RA Indoor Unit...........................192
5.1 Test Operation from the Remote Controller.........................................192
5.2 Jumper Settings ...................................................................................193
Part 7 System Configuration..................................................... 195
1. System Configuration..........................................................................196
1.1 Operation Instructions..........................................................................196
2. Instruction............................................................................................197
2.1 Outdoor Units .......................................................................................197
2.2 Wall Mounted, Duct, Floor/Ceiling, Floor Standing,
Wall Built-in Type .................................................................................198
2.3 Ceiling Mounted Cassette Type...........................................................278
2.4 Ceiling Mounted Built-in Type ..............................................................289
2.5 Ceiling Suspended Type......................................................................299
Part 8 Troubleshooting ............................................................. 311
1. Caution for Diagnosis.........................................................................313
1.1 Troubleshooting with Operation Lamp .................................................313
1.2 Troubleshooting with the LED on the SkyAir Indoor Unit.....................314
1.3 Troubleshooting with the LED on the Outdoor Unit..............................315
1.4 Troubleshooting with the LED on the BP Unit......................................316
2. Service Check Function......................................................................317
2.1 RA Indoor Unit Wireless Remote Controller.........................................317
2.2 SkyAir Indoor Unit INSPECTION/TEST Button....................................320
2.3 SkyAir Indoor Unit Wired Remote Controller........................................321
2.4 SkyAir Indoor Unit Wireless Remote Controller ...................................322
2.5 Sky Air Indoor Unit Error Codes and LED Indication............................324
2.6 Malfunction Code Indication by Outdoor Unit PCB ..............................325
3. List of Malfunction Code......................................................................327
4. Troubleshooting for RA Indoor Unit.....................................................329
4.1 Indoor Unit PCB Abnormality ...............................................................329
4.2 Freeze-up Protection Control or High Pressure Control.......................330
4.3 Fan Motor or Related Abnormality .......................................................332
4.4 Thermistor or Related Abnormality (Indoor Unit)..................................335
4.5 Shutter Drive Motor / Shutter Limit Switch Abnormality .......................336
4.6 Check...................................................................................................337
5. Troubleshooting for SkyAir Indoor Unit...............................................340
5.1 Indoor Unit PCB Abnormality ...............................................................340
5.2 Malfunction of Drain Water Level System (Float Type)........................341
5.3 Malfunction of Drain System ................................................................343
5.4 Indoor Unit Fan Motor Lock..................................................................344
5.5 Malfunction of Indoor Unit Fan Motor...................................................345

Si18-525B
vi Table of Contents
5.6 Swing Flap Motor Malfunction / Lock ...................................................347
5.7 Malfunction of Capacity Setting............................................................349
5.8 Malfunction of Heat Exchanger Thermistor (R2T)................................350
5.9 Malfunction of Heat Exchanger Thermistor (R3T)................................351
5.10 Malfunction of Suction Air Thermistor ..................................................352
5.11 Malfunction of Remote Controller Thermistor.......................................353
5.12 Transmission Error (between Indoor Unit and Remote Controller) ......354
5.13 Transmission Error (between Main and Sub Remote Controller).........355
5.14 Malfunction of Field Setting Switch ......................................................356
5.15 Check...................................................................................................357
6. Troubleshooting for BP Unit................................................................359
6.1 Malfunction of Electronic Expansion Valve ..........................................359
6.2 Faulty BP Unit PCB..............................................................................360
6.3 Faulty BP Liquid or Gas Pipe Thermistor.............................................361
6.4 Transmission Error between Indoor Unit and BP Unit..........................362
6.5 Transmission Error between Outdoor Unit and BP Unit.......................364
6.6 Check...................................................................................................365
7. Troubleshooting for Outdoor Unit........................................................366
7.1 Faulty Outdoor Unit PCB......................................................................366
7.2 Actuation of High Pressure Switch.......................................................367
7.3 Actuation of Low Pressure Switch........................................................368
7.4 Compressor Motor Lock.......................................................................369
7.5 Malfunction of Outdoor Unit Fan Motor................................................370
7.6 Malfunction of Moving Part of Electronic Expansion Valve..................371
7.7 Abnormal Discharge Pipe Temperature...............................................372
7.8 Malfunction of Thermistor for Outdoor Air (R1T)..................................373
7.9 Malfunction of Discharge Pipe Thermistor (R3T) .................................374
7.10 Malfunction of Thermistor (R2T) for Suction Pipe................................375
7.11 Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger.....376
7.12 Malfunction of Receiver Gas Pipe Thermistor (R5T)............................377
7.13 Outdoor Unit: Malfunction of High Pressure Sensor ............................378
7.14 Malfunction of Low Pressure Sensor....................................................379
7.15 Malfunction of Inverter Radiating Fin Temperature Rise......................380
7.16 Inverter Compressor Abnormal ............................................................381
7.17 Inverter Current Abnormal....................................................................382
7.18 Inverter Start up Error...........................................................................383
7.19 Malfunction of Transmission between Inverter and Control PCB.........384
7.20 Malfunction of Inverter Radiating Fin Temperature Rise Sensor .........386
7.21 Faulty Combination of Inverter and Fan Driver ....................................387
7.22 Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................388
7.23 Power Supply Insufficient or Instantaneous Failure.............................389
7.24 Check Operation not Executed ............................................................391
7.25 Malfunction in other Indoor Unit or other BP Unit.................................392
7.26 Mismatching of Indoor Unit, BP Unit and Outdoor Unit........................393
7.27 Refrigerant System not Set, Incompatible Wiring/Piping......................394
7.28 Malfunction of System, Refrigerant System Address Undefined..........395
8. Check..................................................................................................396
9. Thermistor Resistance / Temperature Characteristics........................398
10.Pressure Sensor .................................................................................400

Si18-525B
Table of Contents vii
Part 9 Removal Procedure ........................................................ 401
1. Outdoor Unit........................................................................................402
1.1 Removal of Outer Panels .....................................................................402
1.2 Removal of PCB...................................................................................409
1.3 Removal of Solenoid Valve, Four Way Valve and Motorized Valve.....420
1.4 Removal of Thermistor Assembly ........................................................421
1.5 Removal of Fan Motor..........................................................................422
2. BP Unit................................................................................................425
2.1 Removal of PCB...................................................................................425
2.2 Removal of Solenoid Valve Coil...........................................................428
Part 10Appendix......................................................................... 431
1. Piping Diagrams..................................................................................432
1.1 Outdoor Units .......................................................................................432
1.2 BP Units ...............................................................................................433
1.3 Indoor Units..........................................................................................434
2. Wiring Diagrams..................................................................................442
2.1 Outdoor Units .......................................................................................442
2.2 BP Units ...............................................................................................445
2.3 Indoor Units..........................................................................................447
Index ............................................................................................. i
Drawings & Flow Charts .............................................................. vii

Introduction Si18-525B
viii
1. Introduction
1.1 Safety Cautions
Cautions and
Warnings
Be sure to read the following safety cautions before conducting repair work.
The caution items are classified into “ Warning” and “ Caution”. The “ Warning”
items are especially important since they can lead to death or serious injury if they are not
followed closely. The “ Caution” items can also lead to serious accidents under some
conditions if they are not followed. Therefore, be sure to observe all the safety caution items
described below.
About the pictograms
This symbol indicates the item for which caution must be exercised.
The pictogram shows the item to which attention must be paid.
This symbol indicates the prohibited action.
The prohibited item or action is shown in the illustration or near the symbol.
This symbol indicates the action that must be taken, or the instruction.
The instruction is shown in the illustration or near the symbol.
After the repair work is complete, be sure to conduct a test operation to ensure that the
equipment operates normally, and explain the cautions for operating the product to the
customer.
1.1.1 Cautions Regarding Safety of Workers
Warning
Be sure to disconnect the power cable plug from the plug socket before
disassembling the equipment for repair.
Working on the equipment that is connected to the power supply may cause an
electrical shook.
If it is necessary to supply power to the equipment to conduct the repair or
inspecting the circuits, do not touch any electrically charged sections of the
equipment.
If the refrigerant gas is discharged during the repair work, do not touch the
discharged refrigerant gas.
The refrigerant gas may cause frostbite.
When disconnecting the suction or discharge pipe of the compressor at the
welded section, evacuate the refrigerant gas completely at a well-ventilated
place first.
If there is a gas remaining inside the compressor, the refrigerant gas or
refrigerating machine oil discharges when the pipe is disconnected, and itmay
cause injury.
If the refrigerant gas leaks during the repair work, ventilate the area. The
refrigerant gas may generate toxic gases when it contacts flames.
The step-up capacitor supplies high-voltage electricity to the electrical
components of the outdoor unit.
Be sure to discharge the capacitor completely before conducting repair work.
A charged capacitor may cause an electrical shock.
Do not start or stop theair conditioner operation by plugging or unplugging the
power cable plug.
Plugging or unplugging the power cable plug to operate the equipment may
cause an electrical shock or fire.

Si18-525B Introduction
ix
Be sure to wear a safety helmet, gloves, and a safety belt when working at a
high place (more than 2m). Insufficient safety measures may cause a fall
accident.
In case of R410A refrigerant models, be sure to use pipes, flare nuts and tools
for the exclusive use of the R410A refrigerant.
The use of materials for R22 refrigerant models may cause a serious accident
such as a damage of refrigerant cycle as well as an equipment failure.
Warning
Caution
Do not repair the electrical components with wet hands.
Working on the equipment with wet hands may cause an electrical shock.
Do not clean the air conditioner by splashing water.
Washing the unit with water may cause an electrical shock.
Be sure to provide the grounding when repairing the equipment in a humid or
wet place, to avoid electrical shocks.
Be sure to turn off the power switch and unplug the power cable when cleaning
the equipment.
The internal fan rotates at a high speed, and cause injury.
Be sure to conduct repair work with appropriate tools.
The use of inappropriate tools may cause injury.
Be sure to check that the refrigerating cycle section has cooled down enough
before conducting repair work.
Working on the unit when the refrigerating cycle section is hot may cause
burns.
Use the welder in a well-ventilated place.
Using the welder in an enclosed room may cause oxygen deficiency.

Introduction Si18-525B
x
1.1.2 Cautions Regarding Safety of Users
Warning
Be sure to use parts listed in the service parts list of the applicable model and
appropriate tools to conduct repair work. Never attempt to modify the
equipment.
The use of inappropriate parts or tools may cause an electrical shock,
excessive heat generation or fire.
If the power cable and lead wires have scratches or deteriorated, be sure to
replace them.
Damaged cable and wires may cause an electrical shock, excessive heat
generation or fire.
Do not use a joined power cable or extension cable, or share the same power
outlet with other electrical appliances, since it may cause an electrical shock,
excessive heat generation or fire.
Besureto usean exclusivepowercircuitfortheequipment,andfollowthe local
technical standards related to the electrical equipment, the internal wiring
regulations, and the instruction manual for installation when conducting
electrical work.
Insufficient power circuit capacity and improper electrical work may cause an
electrical shock or fire.
Be sure to use the specified cable for wiring between the indoor and outdoor
units. Make the connectionssecurely and route thecableproperly so that there
is no force pulling the cable at the connection terminals.
Improper connections may cause excessive heat generation or fire.
When wiring between theindoor and outdoor units, make sure that the terminal
cover does not lift off or dismount because of the cable.
Ifthecoverisnotmountedproperly,theterminalconnectionsectionmaycause
an electrical shock, excessive heat generation or fire.
Do not damage or modify the power cable.
Damaged or modified power cable may cause an electrical shock or fire.
Placingheavyitems onthe powercable,andheatingor pullingthepowercable
may damage the cable.
Do not mix air or gas other than the specified refrigerant (R410A / R22) in the
refrigerant system.
If air enters the refrigerating system, an excessively high pressure results,
causing equipment damage and injury.
If the refrigerant gas leaks, be sure to locate the leaking point and repair it
beforechargingtherefrigerant.After chargingrefrigerant,make sure that there
is no refrigerant leak.
If the leaking point cannot be located and the repair work must be stopped, be
sure to perform pump-down and close the service valve, to prevent the
refrigerant gas from leaking into the room. The refrigerant gas itself is
harmless, but it may generate toxic gases when it contacts flames, such as fan
and other heaters, stoves and ranges.
When relocating the equipment, make sure that the new installation site has
sufficient strength to withstand the weight of the equipment.
If the installation site does not have sufficient strength and if the installation
work is not conducted securely, the equipment may fall and cause injury.

Si18-525B Introduction
xi
Check to make sure that the power cable plug is not dirty or loose, then insert
the plug into a power outlet securely.
If the plug has dust or loose connection, it may cause an electrical shock or fire.
Be sure to install the product correctly by using the provided standard
installation frame.
Incorrect use of the installation frame and improper installation may cause the
equipment to fall, resulting in injury.
For unitary type
only
Be sure to install the product securely in the installation frame mounted on the
window frame.
If the unit is not securely mounted, it may fall and cause injury.
For unitary type
only
When replacing the coin battery in the remote controller, be sure to disposed
of the old battery to prevent children from swallowing it.
If a child swallows the coin battery, see a doctor immediately.
Warning
Caution
Installation of a leakage breaker is necessary in some cases depending on the
conditions of the installation site, to prevent electrical shocks.
Do not install the equipment in a place where there is a possibility of
combustible gas leaks.
If the combustible gas leaks and remains around the unit, it may cause a fire.
Check to see if the parts and wires are mounted and connected properly, and
if the connections at the soldered or crimped terminals are secure.
Improper installation and connections may cause excessive heat generation,
fire or an electrical shock.
If the installation platform or frame has corroded, replace it.
Corroded installation platform or frame may cause the unit to fall, resulting in
injury.
Check the grounding, and repair it if the equipment is not properly grounded.
Improper grounding may cause an electrical shock.

Introduction Si18-525B
xii
1.2 Used Icons
Icons are used to attract the attention of the reader to specific information. The meaning of each
icon is described in the table below:
Be sure to measure the insulation resistance after the repair, and make sure
that the resistance is 1 MΩor higher.
Faulty insulation may cause an electrical shock.
Be sure to check the drainage of the indoor unit after the repair.
Faulty drainage may cause the water to enter the room and wet the furniture
and floor.
Do not tilt the unit when removing it.
The water inside the unit may spill and wet the furniture and floor.
Be sure to install the packing and seal on the installation frame properly.
If the packing and seal are not installed properly, water may enter theroom and
wet the furniture and floor.
For unitary type
only
Caution
Icon Type of
Information Description
Note:
Note A “note” provides information that is not indispensable, but may
nevertheless be valuable to the reader, such as tips and tricks.
Caution
Caution A “caution” isused when thereis danger that thereader, through
incorrectmanipulation, maydamage equipment, loose data, get
an unexpected result or has to restart (part of) a procedure.
Warning
Warning A “warning” is used when there is danger of personal injury.
Reference A “reference” guides the reader to other places in this binder or
in this manual, where he/she will find additional information on a
specific topic.

Si18-525B
List of Functions 1
Part 1
List of Functions
1. List of Functions......................................................................................2
1.1 Cooling Only.............................................................................................2
1.2 Heat Pump .............................................................................................13

List of Functions Si18-525B
2List of Functions
1. List of Functions
1.1 Cooling Only
1.1.1 R-410A Models
Category Functions
RMKS112·140·160DVM
Category Functions
RMKS112·140·160DVM
Basic
Function
Inverter (with Inverter Power Control)
Health &
Clean Air Purifying Filter —
Operation Limit for Cooling (°CDB) –5 ~
46 Photocatalytic Deodorizing Filter —
Operation Limit for Heating (°CWB) — Air Purifying Filter with Photocatalytic
Deodorizing Function —
PAM Control — Titanium Apatite Photocatalytic
Air-Purifying Filter —
Compressor Oval Scroll Compressor Longlife Filter (Option) —
Swing Compressor — Mold Proof Air Filter —
Rotary Compressor — Wipe-clean Flat Panel —
Reluctance DC Motor Washable Grille —
Comfortable
Airflow Power-Airflow Flap — Filter Cleaning Indicator —
Power-Airflow Dual Flaps —Mold Proof Operation —
Power-Airflow Diffuser —Heating Dry Operation —
Wide-Angle Louvers —Good-Sleep Cooling Operation —
Vertical Auto-Swing (Up and Down) —Timer 24-Hour On/Off Timer —
72-Hour On/Off Timer —
Horizontal Auto-Swing (Right and Left) —Night Set Mode —
3-D Airflow —Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) —
Comfort Airflow Mode —Self-Diagnosis (Digital, LED) Display 
3-Step Airflow (H/P Only) —Wiring-Error Check —
Comfort
Control Auto Fan Speed —Anticorrosion Treatment of Outdoor Heat Exchanger 
Indoor Unit Quiet Operation —Flexibility Multi-Split / Split Type Compatible
Indoor Unit —
Night Quiet Mode (Automatic) Flexible Voltage Correspondence —
Outdoor Unit Quiet Operation (Manual) High Ceiling Application —
Intelligent Eye —Chargeless —
Quick Warming Function —Either Side Drain (Right or Left) —
Hot-Start Function —Power-Selection —
Automatic Defrosting —Remote
Control 5-Rooms Centralized Controller (Option) —
Operation Automatic Operation —Remote Control Adaptor
(Normal Open-Pulse Contact) (Option) —
Programme Dry Function — Remote Control Adaptor
(Normal Open Contact) (Option) —
Fan Only — Dlll-NET Compatible (Adaptor) (Option) —
Lifestyle
Convenience New Powerful Operation (Non-Inverter) —Remote Controller Wireless —
Inverter Powerful Operation — Wired —
Priority-Room Setting —
Cooling / Heating Mode Lock —
Home Leave Operation —
ECONO Mode —
Indoor Unit On/Off Switch —
Signal Reception Indicator —
Temperature Display —
Another Room Operation —
Note: : Holding Functions
—: No Functions

Si18-525B List of Functions
List of Functions 3
Category Functions
RMKS112·140·160DV1A
Category Functions
RMKS112·140·160DV1A
BasicFunction Inverter (with Inverter Power Control)
Health&Clean Air Purifying Filter —
Operation Limit for Cooling (°CDB) –5 ~
46 Photocatalytic Deodorizing Filter —
Operation Limit for Heating (°CWB) — Air Purifying Filter with Photocatalytic
Deodorizing Function —
PAM Control — Titanium Apatite Photocatalytic
Air-Purifying Filter —
Compressor Oval Scroll Compressor Longlife Filter (Option) —
Swing Compressor — Mold Proof Air Filter —
Rotary Compressor — Wipe-clean Flat Panel —
Reluctance DC Motor Washable Grille —
Comfortable
Airflow Power-Airflow Flap — Filter Cleaning Indicator —
Power-Airflow Dual Flaps —Mold Proof Operation —
Power-Airflow Diffuser —Heating Dry Operation —
Wide-Angle Louvers —Good-Sleep Cooling Operation —
Vertical Auto-Swing (Up and Down) —Timer 24-Hour On/Off Timer —
72-Hour On/Off Timer —
Horizontal Auto-Swing (Right and Left) —Night Set Mode —
3-D Airflow —Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) —
Comfort Airflow Mode —Self-Diagnosis (Digital, LED) Display 
3-Step Airflow (H/P Only) —Wiring-Error Check —
Comfort
Control Auto Fan Speed —Anticorrosion Treatment of Outdoor Heat Exchanger 
Indoor Unit Quiet Operation —Flexibility Multi-Split / Split Type Compatible
Indoor Unit —
Night Quiet Mode (Automatic) Flexible Voltage Correspondence —
Outdoor Unit Quiet Operation (Manual) High Ceiling Application —
Intelligent Eye —Chargeless —
Quick Warming Function —Either Side Drain (Right or Left) —
Hot-Start Function —Power-Selection —
Automatic Defrosting —Remote
Control 5-Rooms Centralized Controller (Option) —
Operation Automatic Operation —Remote Control Adaptor
(Normal Open-Pulse Contact) (Option) —
Programme Dry Function — Remote Control Adaptor
(Normal Open Contact) (Option) —
Fan Only — Dlll-NET Compatible (Adaptor) (Option) —
Lifestyle
Convenience New Powerful Operation (Non-Inverter) —Remote Controller Wireless —
Inverter Powerful Operation — Wired —
Priority-Room Setting —
Cooling / Heating Mode Lock —
Home Leave Operation —
ECONO Mode —
Indoor Unit On/Off Switch —
Signal Reception Indicator —
Temperature Display —
Another Room Operation —
Note: : Holding Functions
—: No Functions

List of Functions Si18-525B
4List of Functions
Category Functions
FTKS25·35DVM FTKS50-71BVMB
Category Functions
FTKS25·35DVM FTKS50-71BVMB
Basic
Function Inverter (with Inverter Power Control) Health & Clean Air Purifying Filter — —
Operation Limit for Cooling (°CDB) ——
Operation Limit for Heating (°CWB) — — Photocatalytic Deodorizing Filter — —
PAM Control — — Air Purifying Filter with Photocatalytic
Deodorizing Function —
Compressor Oval Scroll Compressor — —
Swing Compressor — — Titanium Apatite Photocatalytic
Air-Purifying Filter —
Rotary Compressor — —
Reluctance DC Motor — — Longlife Filter (Option) — —
Comfortable
Airflow Power-Airflow Flap — — Mold Proof Air Filter 
Power-Airflow Dual Flaps  Wipe-clean Flat Panel 
Power-Airflow Diffuser — — Washable Grille — —
Wide-Angle Louvers  Filter Cleaning Indicator — —
Vertical Auto-Swing (Up and Down)  Mold Proof Operation —
Horizontal Auto-Swing (Right and Left) — Heating Dry Operation — —
3-D Airflow — Good-Sleep Cooling Operation — —
Comfort Airflow Mode — — Timer 24-Hour On/Off Timer 
3-Step Airflow (H/P Only) — — 72-Hour On/Off Timer — —
Comfort
Control Auto Fan Speed  Night Set Mode 
Indoor Unit Quiet Operation  Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) 
Night Quiet Mode (Automatic) — — Self-Diagnosis (Digital, LED) Display 
Outdoor Unit Quiet Operation (Manual) — — Wiring Error Check — —
Intelligent Eye  Anticorrosion Treatment of Outdoor
Heat Exchanger ——
Quick Warming Function — —
Hot-Start Function — — Flexibility Multi-Split / Split Type Compatible
Indoor Unit 
Automatic Defrosting — — Flexible Voltage Correspondence 
Operation Automatic Operation — — High Ceiling Application — —
Programme Dry Function  Chargeless — —
Fan Only  Either Side Drain (Right or Left) 
Lifestyle
Convenience New PowerfulOperation(Non-Inverter) — — Power Selection — —
Inverter Powerful Operation 
Remote
Control 5-Rooms Centralized Controller (Option) 
Priority-Room Setting — — Remote Control Adaptor
(Normal Open-Pulse Contact) (Option) 
Cooling / Heating Mode Lock — —
Home Leave Operation — Remote Control Adaptor
(Normal Open Contact) (Option) 
ECONO Mode —
Indoor Unit On/Off Switch  DIII-NET Compatible (Adaptor) (Option) 
Signal Reception Indicator  Remote
Controller Wireless 
Temperature Display — — Wired — —
Another Room Operation — —
Note: : Holding Functions
—: No Functions

Si18-525B List of Functions
List of Functions 5
Category Functions
FTK50-71AZVMB
Category Functions
FTK50-71AZVMB
Basic
Function Inverter (with Inverter Power Control) Health & Clean Air Purifying Filter 
Operation Limit for Cooling (°CDB) —
Operation Limit for Heating (°CWB) — Photocatalytic Deodorizing Filter 
PAM Control — Air Purifying Filter with Photocatalytic
Deodorizing Function —
Compressor Oval Scroll Compressor —
Swing Compressor — Titanium Apatite Photocatalytic
Air-Purifying Filter —
Rotary Compressor —
Reluctance DC Motor — Longlife Filter (Option) —
Comfortable
Airflow Power-Airflow Flap Mold Proof Air Filter 
Power-Airflow Dual Flaps — Wipe-clean Flat Panel —
Power-Airflow Diffuser Washable Grille 
Wide-Angle Louvers Filter Cleaning Indicator —
Vertical Auto-Swing (Up and Down) Mold Proof Operation —
Horizontal Auto-Swing (Right and Left) Heating Dry Operation —
3-D Airflow Good-Sleep Cooling Operation —
Comfort Airflow Mode — Timer 24-Hour On/Off Timer 
3-Step Airflow (H/P Only) — 72-Hour On/Off Timer —
Comfort
Control Auto Fan Speed Night Set Mode 
Indoor Unit Quiet Operation Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) 
Night Quiet Mode (Automatic) — Self-Diagnosis (Digital, LED) Display 
Outdoor Unit Quiet Operation (Manual) — Wiring-Error Check —
Intelligent Eye — Anticorrosion Treatment of Outdoor
Heat Exchanger —
Quick Warming Function —
Hot-Start Function — Flexibility Multi-Split / Split Type Compatible
Indoor Unit 
Automatic Defrosting — Flexible Voltage Correspondence 
Operation Automatic Operation — High Ceiling Application —
Programme Dry Function Chargeless —
Fan Only Either Side Drain (Right or Left) 
Lifestyle
Convenience New Powerful Operation (Non-Inverter) — Power-Selection —
Inverter Powerful Operation Remote
Control 5-Rooms Centralized Controller (Option) 
Priority-Room Setting — Remote Control Adaptor
(NormalOpen-PulseContact)(Option) 
Cooling / Heating Mode Lock — Remote Control Adaptor
(Normal Open Contact) (Option) 
Home Leave Operation Dlll-NET Compatible (Adaptor) (Option) 
ECONO Mode — Remote
Controller Wireless 
Indoor Unit On/Off Switch Wired —
Signal Reception Indicator 
Temperature Display —
Another Room Operation —
Note: : Holding Functions
—: No Functions

List of Functions Si18-525B
6List of Functions
Category Functions
FTKS20-35DVMA FTKS50-71BVMA8
Category Functions
FTKS20-35DVMA FTKS50-71BVMA8
BasicFunction Inverter (with Inverter Power Control) Health&Clean Air Purifying Filter — —
Operation Limit for Cooling (°CDB) — — Photocatalytic Deodorizing Filter — —
Operation Limit for Heating (°CWB) — — Air Purifying Filter with Photocatalytic
Deodorizing Function —
PAM Control — — Titanium Apatite Photocatalytic
Air-Purifying Filter —
Compressor Oval Scroll Compressor — — Longlife Filter (Option) — —
Swing Compressor — — Mold Proof Air Filter 
Rotary Compressor — — Wipe-clean Flat Panel 
Reluctance DC Motor — — Washable Grille — —
Comfortable
Airflow Power-Airflow Flap — — Filter Cleaning Indicator — —
Power-Airflow Dual Flaps Mold Proof Operation —
Power-Airflow Diffuser — —Heating Dry Operation — —
Wide-Angle Louvers Good-Sleep Cooling Operation — —
Vertical Auto-Swing (Up and Down) Timer 24-Hour On/Off Timer 
72-Hour On/Off Timer — —
Horizontal Auto-Swing (Right and Left) — Night Set Mode 
3-D Airflow — Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) 
Comfort Airflow Mode — —Self-Diagnosis (Digital, LED) Display 
3-Step Airflow (H/P Only) — —Wiring-Error Check — —
Comfort
Control Auto Fan Speed Anticorrosion Treatment of Outdoor
Heat Exchanger ——
Indoor Unit Quiet Operation Flexibility Multi-Split / Split Type Compatible
Indoor Unit 
Night Quiet Mode (Automatic) — —Flexible Voltage Correspondence 
Outdoor Unit Quiet Operation (Manual) — —High Ceiling Application — —
Intelligent Eye Chargeless — —
Quick Warming Function — —Either Side Drain (Right or Left) 
Hot-Start Function — — Power-Selection — —
Automatic Defrosting ——
Remote
Control 5-Rooms Centralized Controller (Option) 
Operation Automatic Operation — — Remote Control Adaptor
(Normal Open-Pulse Contact) (Option) 
Programme Dry Function  Remote Control Adaptor
(Normal Open Contact) (Option) 
Fan Only  Dlll-NET Compatible (Adaptor) (Option) 
Lifestyle
Convenience New Powerful Operation (Non-Inverter) ——Remote Controller Wireless 
Inverter Powerful Operation  Wired — —
Priority-Room Setting — —
Cooling / Heating Mode Lock — —
Home Leave Operation — 
ECONO Mode —
Indoor Unit On/Off Switch 
Signal Reception Indicator 
Temperature Display — —
Another Room Operation — —
Note: : Holding Functions
—: No Functions

Si18-525B List of Functions
List of Functions 7
Category Functions
FDKS25·35CVMB CDKS50·60CVMB
Category Functions
FDKS25·35CVMB CDKS50·60CVMB
Basic
Function Inverter (with Inverter Power Control) 
Health &
Clean Air Purifying Filter — —
Operation Limit for Cooling (°CDB) — —
Operation Limit for Heating (°CWB) — — Photocatalytic Deodorizing Filter — —
PAM Control — — Air Purifying Filter with Photocatalytic
Deodorizing Function ——
Compressor Oval Scroll Compressor — —
Swing Compressor — — Titanium Apatite Photocatalytic
Air-Purifying Filter ——
Rotary Compressor — —
Reluctance DC Motor — — Longlife Filter (Option) — —
Comfortable
Airflow Power-Airflow Flap — — Mold Proof Air Filter 
Power-Airflow Dual Flaps — — Wipe-clean Flat Panel — —
Power-Airflow Diffuser — — Washable Grille — —
Wide-Angle Louvers — —Filter Cleaning Indicator — —
Vertical Auto-Swing (Up and Down) — —Mold Proof Operation — —
Horizontal Auto-Swing (Right and Left) — —Heating Dry Operation — —
3-D Airflow — —Good-Sleep Cooling Operation — —
Comfort Airflow Mode — —Timer 24-Hour On/Off Timer 
3-Step Airflow (H/P Only) — —72-Hour On/Off Timer — —
Comfort
Control Auto Fan Speed Night Set Mode 
Indoor Unit Quiet Operation Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) 
Night Quiet Mode (Automatic) — —Self-Diagnosis (Digital, LED) Display 
Outdoor Unit Quiet Operation (Manual) — —Wiring-Error Check — —
Intelligent Eye — —Anticorrosion Treatment of Outdoor
Heat Exchanger ——
Quick Warming Function — —
Hot-Start Function — —Flexibility Multi-Split / Split Type Compatible
Indoor Unit —
Automatic Defrosting — —Flexible Voltage Correspondence 
Operation Automatic Operation — —High Ceiling Application — —
Programme Dry Function  Chargeless — —
Fan Only  Either Side Drain (Right or Left) — —
Lifestyle
Convenience New Powerful Operation (Non-Inverter) ——Power-Selection — —
Inverter Powerful Operation 
Remote
Control 5-Rooms Centralized Controller (Option) 
Priority-Room Setting — —Remote Control Adaptor
(NormalOpen-PulseContact)(Option) 
Cooling / Heating Mode Lock — —Remote Control Adaptor
(Normal Open Contact) (Option) 
Home Leave Operation  Dlll-NET Compatible (Adaptor) (Option) 
ECONO Mode — — Remote
Controller Wireless 
Indoor Unit On/Off Switch  Wired — —
Signal Reception Indicator 
Temperature Display — —
Another Room Operation — —
Note: : Holding Functions
—: No Functions