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Daikin FVKS25BVMB, Руководство по обслуживанию

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List of Functions

SiBE06-514A

2

List of Functions

1. List of 

Functions

Category

Functions

FVKS25·35BVMB

R

K

S

2

5·35D(2

)VMB

FVXS25·35BVMB

R

X

S

2

5·35D(2

)VMB

Category

Functions

FVKS25·35BVMB

R

K

S

2

5·35D(2

)VMB

FVXS25·35BVMB

R

X

S

2

5·35D(2

)VMB

Basic 
Function

Inverter (with Inverter Power Control)

{

{

Health & 
Clean

Air Purifying Filter with Bacteriostatic, 
Virustatic Functions

{

{

Operation Limit for Cooling (°CDB)  1

–10
~46

–10
~46

Operation Limit for Heating (°CWB)

—

–15
~20

Photocatalytic Deodorizing Filter

{

{

PAM Control

{

{

Air Purifying Filter with Photocatalytic 
Deodorizing Function

—

—

Compressor

Oval Scroll Compressor

—

—

Longlife Filter

—

—

Swing Compressor

{

{

Ultra-Longlife Filter (Option)

—

—

Rotary Compressor

—

—

Mold Proof Air Filter

{

{

Reluctance DC Motor

{

{

Wipe-clean Flat Panel

—

—

Comfortable 
Airflow

Power-Airflow Flap

—

—

Mold Proof Operation

—

—

Power-Airflow Dual Flaps

—

—

Heating Dry Operation

—

—

Power-Airflow Diffuser

—

—

Washable Grille

{

{

Wide-Angle Louvers

{

{

Filter Cleaning Indicator

—

—

Vertical Auto-Swing (Up and Down)

{

{

Good-Sleep Cooling Operation

—

—

Horizontal Auto-Swing (Right and Left)

—

—

Timer

24-Hour On/Off Timer

{

{

3-D Airflow

—

—

Night Set Mode

{

{

3-Step Airflow (H/P Only)

—

{

Worry Free 
“Reliability & 
Durability”

Auto-Restart (after Power Failure)

{

{

Comfort 
Control

Auto Fan Speed

{

{

Self-Diagnosis (Digital, LED) Display

{

2

{

2

Indoor Unit Silent Operation

{

{

Wiring Error Check

—

—

Night Quiet Mode (Automatic)

—

—

Anticorrosion Treatment of Outdoor 
Heat Exchanger

{

{

Outdoor Unit Silent Operation (Manual)

{

{

Intelligent Eye

—

—

Flexibility

Multi-Split / Split Type Compatible 
Indoor Unit

{

{

Quick Warming Function

—

{

Hot-Start Function

—

{

Flexible Voltage Correspondence

{

{

Automatic Defrosting

—

{

High Ceiling Application

—

—

Operation

Automatic Operation

—

{

Chargeless

10m

10m

Programme Dry Function

{

{

Power Selection

—

—

Fan Only

{

{

Remote 
Control

5-Rooms Centralized Controller 
(Option)

{

{

Lifestyle 
Convenience

New Powerful Operation (Non-Inverter)

—

—

Remote Control Adaptor
(Normal Open-Pulse Contact)(Option)

{

{

Inverter Powerful Operation 

{

{

Priority-Room Setting

—

—

Remote Control Adaptor 
(Normal Open Contact)(Option)

{

{

Cooling / Heating Mode Lock

—

—

Home Leave Operation

{

{

DIII-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

1 :

2 :

Lower limit can be extended to –15°C by cutting 
jumper. (facility use only)
Digital Only

Содержание FVKS25BVMB

Страница 1: ...Inverter Pair Floor Standing Type B Series Applied Models zInverter Pair Cooling Only zInverter Pair Heat Pump SiBE06 514A ...

Страница 2: ...r Unit FVKS25BVMB FVKS25BAVMB FVKS35BVMB FVKS35BAVMB Outdoor Unit RKS25DVMB RKS25D2VMB RKS25D3VMB RKS35DVMB RKS35D2VMB RKS35D3VMB zHeat Pump Indoor Unit FVXS25BVMB FVXS25BAVMB FVXS35BVMB FVXS35BAVMB Outdoor Unit RXS25DVMB RXS25D2VMB RXS25D3VMB RXS35DVMB RXS35D2VMB RXS35D3VMB ...

Страница 3: ...atic Operation 24 1 7 Thermostat Control 25 1 8 NIGHT SET Mode 26 1 9 HOME LEAVE Operation 27 1 10 Inverter POWERFUL Operation 28 1 11 Other Functions 29 2 Function of Thermistor 31 2 1 Heat Pump Model 31 2 2 Cooling Only Model 32 3 Control Specification 33 3 1 Mode Hierarchy 33 3 2 Frequency Control 34 3 3 Controls at Mode Changing Start up 36 3 4 Discharge Pipe Control 37 3 5 Input Current Contr...

Страница 4: ...lated Abnormality 87 4 5 Thermistor or Related Abnormality Indoor Unit 89 4 6 Shutter Drive Motor Shutter Limit Switch Abnormality 90 4 7 Signal Transmission Error between Indoor and Outdoor Unit 91 4 8 Unspecified Voltage between Indoor and Outdoor Units 92 4 9 Outdoor Unit PCB Abnormality 93 4 10 OL Activation Compressor Overload 94 4 11 Compressor Lock 95 4 12 DC Fan Lock 96 4 13 Input Over Cur...

Страница 5: ...t 139 2 1 Removal of Panels and Fan Motor 139 2 2 Removal of Electrical Box 146 2 3 Removal of Reactor and Partition Plate 148 2 4 Removal of Sound Blanket 150 2 5 Removal of Four Way Valve 152 2 6 Removal of Compressor 154 2 7 Removal of PCB 156 Part 8 Others 159 1 Others 160 1 1 Test Run from the Remote Controller 160 1 2 Jumper Settings 161 Part 9 Appendix 163 1 Piping Diagrams 164 1 1 Indoor U...

Страница 6: ... plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can 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 discharges during the repair work do not touch the dischargi...

Страница 7: ...the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire 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 streng...

Страница 8: ...ot 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 can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old batt...

Страница 9: ...ng and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 Mohm or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet ...

Страница 10: ...SiBE06 514A List of Functions 1 Part 1 List of Functions 1 List of Functions 2 ...

Страница 11: ...rflow Night Set Mode 3 Step Airflow H P Only Worry Free Reliability Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display 2 2 Indoor Unit Silent Operation Wiring Error Check Night Quiet Mode Automatic Anticorrosion Treatment of Outdoor Heat Exchanger Outdoor Unit Silent Operation Manual Intelligent Eye Flexibility Multi Split Split Type Compa...

Страница 12: ...Set Mode 3 Step Airflow H P Only Worry Free Reliability Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display 2 2 Indoor Unit Silent Operation Wiring Error Check Night Quiet Mode Automatic Anticorrosion Treatment of Outdoor Heat Exchanger Outdoor Unit Silent Operation Manual Intelligent Eye Flexibility Multi Split Split Type Compatible Indoor...

Страница 13: ...List of Functions SiBE06 514A 4 List of Functions ...

Страница 14: ...SiBE06 514A Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Cooling Only 6 1 2 Heat Pump 8 ...

Страница 15: ... Left Horizontal Upward Right Left Horizontal Upward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 14 Power Consumption W 32 32 Power Factor 99 4 99 4 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 650 195 600 650 195 Packaged Dimensions H W D mm 714 770 294 714 770 294 Weight kg 13 13 Gross Weight kg 19...

Страница 16: ...l Upward Right Left Horizontal Upward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 14 Power Consumption W 32 32 Power Factor 99 4 99 4 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 650 195 600 650 195 Packaged Dimensions H W D mm 714 770 294 714 770 294 Weight kg 13 13 Gross Weight kg 19 19 Operation S...

Страница 17: ...ir Direction Control Right Left Horizontal Upward Right Left Horizontal Upward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 14 0 14 0 14 Power Consumption W 32 32 32 32 Power Factor 99 4 99 4 99 4 99 4 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 650 195 600 650 195 Packaged Dimensions H W D mm 714 77...

Страница 18: ...rection Control Right Left Horizontal Upward Right Left Horizontal Upward Air Filter Removable Washable Mildew Proof Removable Washable Mildew Proof Running Current A 0 14 0 14 0 14 0 14 Power Consumption W 32 32 32 32 Power Factor 99 4 99 4 99 4 99 4 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 600 650 195 600 650 195 Packaged Dimensions H W D mm 714 770 294...

Страница 19: ...Specifications SiBE06 514A 10 Specifications ...

Страница 20: ...BE06 514A Printed Circuit Board Connector Wiring Diagram 11 Part 3 Printed Circuit Board Connector Wiring Diagram 1 Printed Circuit Board Connector Wiring Diagram 12 1 1 Indoor Unit 12 1 2 Outdoor Unit 14 ...

Страница 21: ...pply PCB 1 S6 Connector for swing motor and lower air outlet motor 2 S23 Connector for signal receiver 3 S31 S32 Connector for room temp heat exchanger thermistor 4 S201 S203 S7 S24 S26 Connector for control PCB 1 5 S202 S204 S8 Connector for control PCB 2 6 S25 Connector for display PCB 3 7 S301 S302 Connector for fan motors 1 V1 Varistor 2 FU FUSE 3 LED11 LED for operation 4 LED12 LED for timer ...

Страница 22: ...SiBE06 514A Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 13 PCB Detail PCB 2 Control PCB indoor unit PCB 3 Display PCB PCB 4 Signal Receiver PCB ...

Страница 23: ... for electronic expansion valve coil 4 S30 Connector for compressor motor 5 S40 Connector for overload protector 6 S70 Connector for fan motor 7 S80 Connector for four way valve coil 8 S90 Connector for thermistors outdoor air heat exchanger discharge pipe 9 HC3 HC4 HL3 HN3 Connector for filter PCB 1 FU1 FU2 Fuse 3 15A 2 FU3 Fuse 20A 3 LED A Service monitor LED 4 V1 V2 V3 Varistor 5 J8 Facility se...

Страница 24: ...nnector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 15 PCB Detail PCB 1 Filter PCB PCB 2 Control PCB outdoor unit FU3 20A S11 R4293 V3 V2 FU2 3 15A S30 HN3 HC3 S70 J8 HC4 R4605 S40 LED A S90 HL3 FU1 3 15A S80 V1 S20 S10 ...

Страница 25: ...Printed Circuit Board Connector Wiring Diagram SiBE06 514A 16 Printed Circuit Board Connector Wiring Diagram ...

Страница 26: ...unction of Thermistor 31 2 1 Heat Pump Model 31 2 2 Cooling Only Model 32 3 Control Specification 33 3 1 Mode Hierarchy 33 3 2 Frequency Control 34 3 3 Controls at Mode Changing Start up 36 3 4 Discharge Pipe Control 37 3 5 Input Current Control 38 3 6 Freeze up Protection Control 39 3 7 Heating Peak cut Control 39 3 8 Fan Control 40 3 9 Liquid Compression Protection Function 2 40 3 10 Defrost Con...

Страница 27: ...explains the conversion principle Drawing of Inverter The following drawing shows a schematic view of the inverter principle Phase Description 1 The supplied AC power source is converted into the DC power source for the present 2 The DC power source is reconverted into the three phase AC power source with variable frequency When the frequency increases the rotation speed of the compressor increase...

Страница 28: ...o air condition with a small room temperature variation Energy saving heating and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following table shows the functions that define the minimum and maximum frequency Forced Cooling Operation For more information refer to Forced operation mode on page 46 6...

Страница 29: ...dry mode Louvres The louvres made of elastic synthetic resin provide a wide range of airflow that guarantees a comfortable air distribution Auto swing The following table explains the auto swing process for heating and cooling Item Description Drawing heating The flap swings up and down as shown in the drawing alongside cooling dry The flap swings up and down as shown in the drawing alongside R119...

Страница 30: ...oming out of the lower air outlet While sleeping etc Operating mode Situation Blowing pattern Cool mode When the room has become fully cool or when one hour has passed since turning on the air conditioner So that air does not come into direct contact with people air is blown upper air outlet room temperature is equalised At start of operation or other times when the room is not fully cooled Air is...

Страница 31: ...during defrost operation 3 In time of thermostat OFF the fan rotates at the following speed Cooling The fan keeps rotating at the set tap Heating The fan keeps rotating at LLL tap Automatic Air Flow Control for Heating The following drawing explains the principle for fan speed control for heating Automatic Air Flow Control for Cooling The following drawing explains the principle of fan speed contr...

Страница 32: ... set by the microcomputer is divided into two zones Then the unit operates in the dry mode with an appropriate capacity for each zone to maintain the temperature and humidity at a comfortable level Room temperature at startup Temperature ON point at which operation starts Frequency switching point Temperaturedifference for operation stop 24ºC Room temperature at startup 0 5ºC 1 5ºC 18ºC 18ºC 1 0ºC...

Страница 33: ...ller setting temperature plus correction value correction value cooling 0 deg heating 2 deg 3 Operation ON OFF point and mode switching point are as follows Heating Cooling switching point Room temperature Main unit setting temperature 2 5 deg Cooling Heating switching point Room temperature Main unit setting temperature 2 5 deg Thermostat ON OFF point is the same as the ON OFF point of cooling or...

Страница 34: ...perature difference is above the zone C after being in the zone A The system resumes from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating 10 seconds Cooling Dry Heating B A OFF ON C Cooling 0 5 C Dry 0 5 C Room temperature setpoint Cooling 2 0 C Dry 2 5...

Страница 35: ...ight Set circuit continues heating or cooling the room at the set temperature for the first one hour then automatically raises the temperature setting slightly in the case of cooling or lowers it slightly in the case of heating for economical operations This prevents excessive heating in winter and excessive cooling in summer to ensure comfortable sleeping conditions and also conserves electricity...

Страница 36: ...ped the function becomes effective when the operation is started If this button is pressed in powerful operation the powerful operation is reset and this function becomes effective The HOME LEAVE button is ineffective in dry mode and fan mode 2 Details of Function A mark representing HOME LEAVE is indicated on the liquid crystal display of the remote controller The indoor unit is operated accordin...

Страница 37: ...riod of twenty minutes Ex Powerful operation in cooling mode Operation mode Fan speed Target set temperature COOL H tap 70 rpm 18 C DRY Dry rotating speed 50 rpm Normally targeted temperature in dry operation Approx 2 C HEAT H tap 80 rpm 30 C FAN H tap 70 rpm AUTO Same as cooling heating in Powerful operation The target is kept unchanged R4680 Target temp Fan 70rpm Set temp 18 C Powerful ON Powerf...

Страница 38: ...peration Push this button once to start operation Push once again to stop it This button is useful when the remote controller is missing The operation mode refers to the following table In the case of multi system operation there are times when the unit does not activate with this button 1 11 4 Photocatalytic Deodorizing Filter Photocatalytic Deodorizing Filter demonstrates powerful oxidation char...

Страница 39: ...mality occur the LCD remote controller displays error code These indications allow prompt maintenance operations 1 11 8 Auto restart Function Even if a power failure including one for just a moment occurs during the operation the operation restarts in the condition before power failure automatically when power is restored Note It takes 3 minutes to restart the operation because the 3 minute standb...

Страница 40: ...essor rises abnormally the operating frequency drops or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge thermistor C Indoor Heat Exchanger Thermistor DCN 1 The indoor heat exchanger thermistor is used for controlling target discharge temperature The system sets a target discharge temperature according to the outdoor and indoor heat exchanger...

Страница 41: ...ontrolling temperature of the discharge pipe If the temperature of discharge pipe used in place of the inner temperature of the compressor rises abnormally the operating frequency drops or the operation halts 2 The discharge pipe thermistor is used for detecting disconnection of the discharge thermistor C Indoor Heat Exchanger Thermistor DCN 1 The indoor heat exchanger thermistor is used for contr...

Страница 42: ...nd cooling including drying Note Unless specified otherwise an indoor dry operation command must be regarded as cooling operation Air conditioner control mode Forced operating mode Forced cooling for Pump Down Operation Normal operating mode Cooling Heating Defrosting Stop mode except for cooling heating modes by indoor command Preheat operation During C capacitor is discharging Stop R2829 Air con...

Страница 43: ...pper limits of the following functions Compressor protection input current discharge pipes peak cutting freeze up protection defrost 3 Determine lower limit frequency Set a maximum value as an lower limit frequency among the frequency lower limits of the following functions Four way valve operating compensation draft prevention pressure difference upkeep 4 Determine prohibited frequency There is a...

Страница 44: ...t volume air flow rate and other factors PI Control Determine Frequency Up Down by D Signal 1 P control Calculate D value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequency previously calculated 2 I control If the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the D value obtaining...

Страница 45: ...ch of the four way valve must be carried out after the operation stopped Detail The OFF delay of four way valve Energize the coil for 160 sec after unit operation is stopped 3 3 3 Four Way Valve Operation Compensation Outline Heat Pump Only At the beginning of the operation as the four way valve is switched acquire the differential pressure required for activating the four way valve by having outp...

Страница 46: ... Outline The discharge pipe temperature is used as the compressor s internal temperature If the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further Detail Divide the Zone Management within the Zones FCG 3 FCG 2 FCG 1 TCG 1 TCG 2 TCG 3 88 64 48 240 360 180 Zone Control contents Stop zone When the temperatur...

Страница 47: ...ed down by 2Hz every second until it reaches the steady zone Keep zone The present maximum frequency goes on Reset zone Limit of the frequency is cancelled Stop zone After 2 5 s in this zone the compressor is stopped Limitation of current drooping and stop value according to the outdoor air temperature 1 In case the operation mode is cooling The current droops when outdoor air temperature becomes ...

Страница 48: ... operation start Control in Each Zone 3 7 Heating Peak cut Control Outline Heat Pump Only During heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure The signal from the indoor unit must be divided as follows Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger tempera...

Страница 49: ...owerful mode 9 Fan control for pressure difference upkeep Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped 3 9 Liquid Compression Protection Function 2 Outline In order to obtain the dependability of the compressor the compressor must be stopped according to the conditions of the temperature of the outdoor air and outdoor heat exchanger D...

Страница 50: ... outdoor air temperature and heat exchanger temperature Under the conditions that the system is in heating operation 6 minutes after the compressor is started and more than 28 minutes of accumulated time pass since the start of the operation or ending the defrosting Conditions for Canceling Defrost The judgment must be made with heat exchanger temperature 4 C 22 C Frequency Compressor Four way val...

Страница 51: ...Discharge pipe temperature control Detail The followings are the examples of control which function in each mode by the electronic expansion valve control R2833 Fully closed when power is turned ON Open control when starting Control of target discharge pipe temperature Pressure equalizing control Open control when starting Control of target discharge pipe temperature Defrost control FD 1 Pressure ...

Страница 52: ...Disconnection of the Discharge Pipe Thermistor Outline Detect a disconnected discharge pipe thermistor by comparing the discharge pipe temperature with the condensation temperature If any is disconnected open the electronic expansion valve according to the outdoor air temperature and the operating frequency and operate for a specified time and then stop After 3 minutes of waiting restart the unit ...

Страница 53: ...hift 3 11 8 Target Discharge Pipe Temperature Control Obtain the target discharge pipe temperature from the indoor and outdoor heat exchanger temperature and adjust the electronic expansion valve opening so that the actual discharge pipe temperature become close to that temperature Indirect SH control using the discharge pipe temperature Determine a correction value of the electronic expansion val...

Страница 54: ... are three ways of control to detect insufficient gas I Detecting by power consumption If the power consumption is below the specified value and the frequency is higher than the specified frequency it is regarded as insufficient gas The power consumption is weak comparing with that in the normal operation when gas is insufficient and gas insufficiency is detected by checking a power consumption II...

Страница 55: ...e is detected each time equipment operation starts Cooling room temperature indoor heat exchanger temperature 4 0 C outdoor heat exchanger temperature outdoor temperature 4 0 C Heating indoor heat exchanger temperature room temperature 3 0 C outdoor temperature outdoor heat exchanger temperature 3 0 C Item Forced Cooling Forced operation allowing conditions 1 The outdoor unit is not abnormal and n...

Страница 56: ...temperature rises the operation will start again Caution 1 If the outdoor unit is installed where the heat exchanger of the unit is exposed to direct wind provide a windbreak wall 2 Intermittent noises may be produced by the indoor unit due to the outdoor fan turning on and off when using facility settings 3 Do not place humidifiers or other items which might raise the humidity in rooms where faci...

Страница 57: ...Control Specification SiBE06 514A 48 Function and Control ...

Страница 58: ...y precautions 51 2 2 Names of parts 53 2 3 Preparation before Operation 56 2 4 AUTO DRY COOL HEAT FAN Operation 59 2 5 Adjusting the Air Flow Direction 61 2 6 POWERFUL Operation 63 2 7 OUTDOOR UNIT SILENT Operation 64 2 8 HOME LEAVE Operation 65 2 9 TIMER Operation 67 2 10 Care and Cleaning 69 2 11 Troubleshooting 72 ...

Страница 59: ...lever method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the installation work is and however good the functions are the customer may blame either the room air conditioner or its installation work because of improper handling The installation work and handing o...

Страница 60: ...ing refrigerant check the content of the repairs with our service staff Do not attempt to install the air conditioner by your self Incorrect work will result in water leakage electric shocks or fire For installation consult the dealer or a qualified technician In order to avoid electric shock fire or injury if you detect any abnormally such as smell of fire stop the operation and turn off the brea...

Страница 61: ...eaves and other debris accumulate around the unit Leaves are a hotbed for small animals which can enter the unit Once in the unit such animals can cause malfunc tions smoke or fire when making contact with electrical parts Do not operate the air conditioner with wet hands Do not wash the indoor unit with excessive water only use a slightly wet cloth Do not place things such as vessels containing w...

Страница 62: ...n and turn the breaker OFF Do not touch the metal parts on the inside of the indoor unit as it may result in injury ON OFF 1 2 4 5 2 6 7 8 3 9 11 10 14 15 12 13 Air outlet selection switch This setting blows air from upper outlet only This setting automatically decides a blow pattern depending on mode and conditions The unit is shipped from the factory with this setting This setting is recommended...

Страница 63: ...ain to stop it The operation mode refers to the following table This switch is useful when the remote controller is missing 13 Signal receiver Signals are received from the remote controller When the unit receives a signal you will hear a short beep Operation start beep beep Settings changed beep Operation stop beeeeep 14 Air outlet selection switch 15 Room temperature sensor It senses the air tem...

Страница 64: ...e setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN page 10 8 SILENT button for OUTDOOR UNIT SILENT operation page 15 9 FAN setting button It selects the air flow rate setting 10 SWING button page 12 11 ON TIMER button page 19 12 TIMER Setting button It changes the time setting 1...

Страница 65: ...same type and replace the two old batteries together When the system is not used for a long time take the batteries out We recommend replacing once a year although if the remote controller display begins to fade or if reception deteriorates please replace with new alkali batteries Using manganese batteries reduces the lifespan The attached batteries are provided for the initial use of the system T...

Страница 66: ... the unit 2 Fix the holder to a wall a pillar or similar location with the screws procured locally 3 Place the remote controller in the remote controller holder ATTENTION About remote controller Never expose the remote controller to direct sunlight Dust on the signal transmitter or receiver will reduce the sensitivity Wipe off dust with soft cloth Signal communication may be disabled if an electro...

Страница 67: ...oner for a long period for example in spring or autumn turn the breaker OFF Use the air conditioner in the following conditions Operation outside this humidity or temperature range may cause a safety device to disable the system C TEMP ON OFF POWERFUL HOME LEAVE MODE TIMER FAN SILENT ON CANCEL OFF SWING 1 3 2 Recommended temperature setting For cooling 26 C 28 For heating 20 C 24 C Mode Operating ...

Страница 68: ...ing of the button advances the mode setting in sequence AUTO DRY COOL HEAT FAN 2 Press ON OFF button The OPERATION lamp lights up To stop operation 3 Press ON OFF button again Then OPERATION lamp goes off To change the temperature setting 4 Press TEMPERATURE adjustment button DRY or FAN mode AUTO or COOL or HEAT mode The temperature setting is not variable Press to raise the temperature and press ...

Страница 69: ...on frost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit At the start of heater operation so that air does not blow directly on an individual air blows in an upward direction After the blowing air gets warmer the air will blow according...

Страница 70: ... To adjust the vertical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right side blades Notes on flap and louvers angle Unless SWING is selected you should set the flap at a near horizontal angle in HEAT mode and at a upward position in COOL or DRY mode to obtain the best performance ATTENTION When adjusting the flap by hand turn off the unit and us...

Страница 71: ...c CAUTION Operating mode Situation Blowing pattern COOL mode When the room has become fully cool or when one hour has passed since turning on the air conditioner So that air does not come into direct contact with people air is blown upper air outlet room temperature is equlised At start of operation or other times when the room is not fully cooled Air is blown from the upper and lower air outlets ...

Страница 72: ...POWERFUL operation there are some functions which are not available To cancel POWERFUL operation 2 Press POWERFUL button again NOTE Notes on POWERFUL operation In COOL and HEAT mode To maximize the cooling heating effect the capacity of outdoor unit must be increased and the air flow rate be fixed to the maximum setting The temperature and air flow settings are not variable In DRY mode The tempera...

Страница 73: ...OOR UNIT SILENT operation 2 Press SILENT button again NOTE Note on OUTDOOR UNIT SILENT operation This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY mode POWERFUL operation and OUTDOOR UNIT SILENT operation cannot be used at the same time Priority is given to POWERFUL operation If operation is stopped using the remote controller or the main unit ON OFF switc...

Страница 74: ... first time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature and air flow rate 1 Press HOME LEAVE button Make sure is displayed in the remote control ler display 2 Adjust the set temperature with or as you like 3 Adjust the air flow rate with FAN setting button as you like Home leave operation will run with these settings the next time you use...

Страница 75: ... will be wel comed by a comfortably air condi tioned room Push the HOME LEAVE Operation button again and the air conditioner will adjust capacity to the set tem perature for normal operation Set the unit to HOME LEAVE Opera tion before leaving the living room when going to bed The unit will maintain the temper ature in the room at a comfortable level while you sleep When you enter the living room ...

Страница 76: ...on changes the setting rapidly 3 Press OFF TIMER button again The TIMER lamp lights up To cancel the OFF TIMER Operation 4 Press CANCEL button The TIMER lamp goes off Notes When TIMER is set the present time is not displayed Once you set ON OFF TIMER the time setting is kept in the memory The memory is canceled when remote controller batteries are replaced When operating the unit via the ON OFF Ti...

Страница 77: ... the setting rapidly 3 Press ON TIMER button again The TIMER lamp lights up To cancel ON TIMER operation 4 Press CANCEL button The TIMER lamp goes off To combine ON TIMER and OFF TIMER A sample setting for combining the two timers is shown below ATTENTION In the following cases set the timer again After a breaker has turned OFF After a power failure After replacing batteries in the remote controll...

Страница 78: ...e into the grooves of the unit 3 places Attach the chain to the right inner side of the front grille Close the grille slowly CAUTION Units Hold the front grille firmly so that it does not fall Do not touch the metal parts on the inside of the indoor unit as it may result in injury When removing or attaching the front grille use a robust and stable stool and watch your steps carefully When removing...

Страница 79: ...gent thinned with lukewarm water then dry them up in the shade It is recommended to clean the air filters every two weeks Air Purifying Filter green Replace approximately once every 3 months 1 Detach the filter element and attach a new one Insert with the green side up It is recommended to replace the air purifying filter every three months Photocatalytic Deodorizing Filter gray Maintenance 1 Dry ...

Страница 80: ...ty and wastes energy Air is also prevented from flowing smoothly through the unit creating a noise Operation with dirty filters 1 cannot deodorize the air 2 cannot clean the air 3 results in poor heating or cooling 4 may cause odour The air purifying filter and Photocatalytic deodorizing filter cannot be reused even if washed In principle there is no need to replace the photocatalytic deodorizing ...

Страница 81: ...into water or steam when the air conditioner is in defrost operation In COOL or DRY mode Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips Mists come out of the indoor unit This happens when the air in the room is cooled into mist by the cold air flow during cooling operation The indoor unit gives out odour This happens when smells of the room furniture ...

Страница 82: ...he windows and doors closed Are the air flow rate and the air direction set appropriately Operation stops suddenly OPERATION lamp flashes Are the air filters clean Is there anything to block the air inlet or the outlet of the indoor and the outdoor units Clean the air filters or take all obstacles away and turn the breaker OFF Then turn it ON again and try operating the air conditioner with the re...

Страница 83: ...rrectly you will help to prevent potential negative consequences for the environment and human health Please contact the installer or local authority for more information Batteries must be removed from the remote controller and disposed of separately in accordance with relevant local and national legislation In certain operating conditions the inside of the air conditioner may get foul after sever...

Страница 84: ...C9 FAULTY SUCTION AIR TEMPERATURE SENSOR OUTDOOR UNIT EA COOLING HEATING SWITCHING ERROR E5 OL STARTED E6 FAULTY COMPRESSOR START UP E7 DC FAN MOTOR FAULT E8 OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL F6 HIGH PRESSURE CONTROL IN COOLING H6 OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR H8 CT ABNORMALITY H9 FAULTY SUCTION AIR TEMPERATURE...

Страница 85: ...Instruction SiBE06 514A 76 System Configuration ...

Страница 86: ...Unspecified Voltage between Indoor and Outdoor Units 92 4 9 Outdoor Unit PCB Abnormality 93 4 10 OL Activation Compressor Overload 94 4 11 Compressor Lock 95 4 12 DC Fan Lock 96 4 13 Input Over Current Detection 97 4 14 Four Way Valve Abnormality 98 4 15 Discharge Pipe Temperature Control 100 4 16 High Pressure Control in Cooling 101 4 17 Compressor System Sensor Abnormality 103 4 18 Position Sens...

Страница 87: ...bling equipment operation 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following sections pages Location of Operation Lamp Troubleshooting with the LED Indication The outdoor unit has one green LED LEDA on the PCB The flashing green LED indicates normal condition of microcomputer operation Display Ai...

Страница 88: ...y for heat pump model and cooling operation cannot be used when the outdoor air temperature is below 10 C Diagnosis with remote controller indication 83 Equipment operates but does not cool or does not heat only for heat pump model Check for wiring and piping errors in the indoor and outdoor units connection wires and pipes Conduct the wiring piping error check described on the product diagnosis n...

Страница 89: ... a continuous beep is produced The code indication changes in the sequence shown below and notifies with a long beep Note 1 A short beep and two consecutive beeps indicate non corresponding codes 2 To cancel the code display hold the timer cancel button down for 5 seconds The code display also cancels itself if the button is not pressed for 1 minute No Code No Code No Code 1 OO 12 C7 23 HO 2 U4 13...

Страница 90: ...nk 2 Press the TEMP button Press TEMP or TEMP and change the digit until you hear the sound of beep or pi pi 3 Diagnose by the sound pi The number of tens does not accord with the error code pi pi The number of tens accords with the error code beep The both numbers of tens and units accord with the error code See 7 4 Enter the diagnosis mode again Press the MODE button The digit of the number of u...

Страница 91: ...both numbers of tens and units do not accord with the error code pi pi The number of tens accords with the error code beep The both numbers of tens and units accord with the error code 7 Determine the error code The digits indicated when you hear the beep sound are error code Error codes and description Refer to page 83 8 Exit from the diagnosis mode Press the MODE button R4277 R4278 ...

Страница 92: ...normality 90 C9 Room temperature thermistor abnormality 89 Outdoor Unit E1 Outdoor unit PCB abnormality 93 E5 OL activation compressor overload 94 E6 Compressor lock 95 E7 DC fan lock 96 E8 Input over current detection 97 EA Four way valve abnormality 98 F3 Discharge pipe temperature control 100 F6 High pressure control in cooling 101 H0 Compressor system sensor abnormality 103 H6 Position sensor ...

Страница 93: ...ction in approximately 10 continuous seconds Supposed Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Connector connection check note YES Is it normal NO Correct connections Replace PCBs R1400 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Model Type Connector No F...

Страница 94: ... according to the temperature detected by the indoor unit heat exchanger thermistor Malfunction Decision Conditions High pressure control During heating operations the temperature detected by the indoor heat exchanger thermistor is above 65 C Freeze up protection When the indoor unit heat exchanger temperature is below 0 C during cooling operation Supposed Causes Operation halt due to clogged air ...

Страница 95: ...cumulation on the indoor unit heat exchanger YES YES Is there any short circuit Is it very dirty Is it very dirty Does it conform to the thermistor characteristic chart NO Provide sufficient air passage Clean the air filter Clean the heat exchanger Replace the indoor unit PCB Replace the thermistor replace the indoor unit PCB Caution Be sure to turn off power switch before connect or disconnect co...

Страница 96: ...fan motor operation Malfunction Decision Conditions When the detected rotation speed is less than 50 of the H tap under maximum fan motor rotation demand Supposed Causes Operation halt due to short circuit inside the fan motor winding Operation halt due to breaking of wire inside the fan motor Operation halt due to breaking of the fan motor lead wires Operation halt due to faulty capacitor of the ...

Страница 97: ...tput of fan motor connector Is motor power voltage DC 200V generated Is motor control power voltage DC 15V generated Turn off power supply and disconnect fan motor connector then turn power ON again Does it rotate Stop fan motor Is rotation number command pulse generated Is rotation number command pulse generated Check No 01 Check output of fan motor connector Check No 01 Check output of fan motor...

Страница 98: ...ss than 120 ohms or below about 50 C more than 1 860 kohms Note The values vary slightly in some models Supposed Causes Faulty connector connection Faulty thermistor Faulty PCB Troubleshooting Check No 06 Refer to P 120 C4 Heat exchanger thermistor C9 Room temperature thermistor Check the connector connection YES Correct the connection Replace the thermistor Replace the indoor unit PCB Replace the...

Страница 99: ...by broken relay harness or disconnected connector Detection error due to defective PCB 2 Foreign substance in blow port Troubleshooting Check No 03 Refer to P 117 Turn off the power Check No 03 Check the limit switch continuity Remove such substance Replace the limit switch Reconnect the connector or replace the relay harness Replace the shutter drive motor or the PCB 2 Check the shutter s sealing...

Страница 100: ...nal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire No 2 Troubleshooting Check No 10 Refer to P 122 Check the outdoor unit s LED A Check the indoor unit outdoor unit connection wires YES YES Correct the indoor unit outdoor unit connection wires Diagnose the outdoor unit Replace the connection wires between the indoor and outdoor units Re...

Страница 101: ...e for the specified PCB 1 or 2 Replace the indoor unit PCB 1 or the outdoor unit PCB Q0347 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Indoor unit and outdoor unit matched NO YES YES Matched compatibly NO Check the code numbers 2P01234 for example of the indoor and outdoor unit PCB with the Parts List Check the indoor and outdoor ...

Страница 102: ...ndoor and outdoor unit model numbers Match the compatible models Change for the specified PCB 1 or 2 Replace the indoor unit PCB 1 or the outdoor unit PCB Q0347 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Indoor unit and outdoor unit matched NO YES YES Matched compatibly NO Check the code numbers 2P01234 for example of the indoor ...

Страница 103: ...leshooting Check No 04 Refer to P 118 Check No 05 Refer to P 119 Check No 06 Refer to P 120 Check No 11 Refer to P 122 Insert the thermistor in position Replace the discharge pipe thermistor Replace the valve itself or the coil Replace the four way valve coil or the valve itself Replace the outdoor unit PCB Refer to the refrigerant line check procedure Replace the outdoor unit PCB R4697 Caution Be...

Страница 104: ...upposed Causes Compressor locked Compressor harness disconnected Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Turn off the power Disconnect the harnesses U V and W Inverter checker Part No 1225477 Correct the power supply or replace the SPM Replace the outdoor unit PCB Replace the compressor Check the electronic expansion valve Replace it as required Replace the ...

Страница 105: ...n for about 10 minutes normal Supposed Causes Fan motor breakdown Harness or connector disconnected between fan motor and PCB or in poor contact Foreign matters stuck in the fan Troubleshooting Check No 15 Refer to P 123 Turn off the power and reconnect the connector Remove Replace the outdoor unit fan motor Replace the outdoor unit PCB R2843 Caution Be sure to turn off power switch before connect...

Страница 106: ...have SPM replace the outdoor unit PCB Replace the outdoor unit PCB Inverter checker Part No 1225477 Correct the power supply or replace the SPM Replace the outdoor unit PCB R4698 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Input current flowing above its stop level NO YES Any LED off YES NO Check with the inverter checker Turn off...

Страница 107: ...ecked to see if they function within their normal ranges in the operating mode Malfunction Decision Conditions A following condition continues over 10 minute after operating 5 minutes Cooling dry operation room temp indoor heat exchanger temp 5 C Heating indoor unit heat exchanger temp room temp 5 C Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Four way ...

Страница 108: ...ower switch before connect or disconnect connector or parts damage may be occurred Four way valve coil disconnected loose YES YES NO Functioning NO Check No 11 Check the refrigerant line Malfunctioning z Insufficient gas z Water mixed z Stop valve defective Harness out of connector NO YES Disconnect the harness from the connector Resistance between harnesses about 3kΩ 0 5kΩ Malfunctioning Function...

Страница 109: ...er or outdoor air temperature thermistor defective Outdoor unit PCB defective Water mixed in the local piping Electronic expansion valve defective Stop valve defective Troubleshooting Check No 04 Refer to P 118 Check No 06 Refer to P 120 Check No 11 Refer to P 122 Stop temperatures 1 above 45Hz rising above 40Hz dropping 110 97 2 30 45Hz rising 25 40Hz dropping 105 92 3 below 30Hz rising below 25H...

Страница 110: ...ng sensed by the heat exchanger thermistor exceeds the limit Malfunction Decision Conditions Activated when the temperature being sensed by the heat exchanger thermistor rises above 65 C The error is cleared when the temperature drops below 54 C Supposed Causes The installation space is not large enough Faulty outdoor unit fan Faulty electronic expansion valve Faulty defrost thermistor Faulty outd...

Страница 111: ...ir the connector or fan motor lead wires Replace the heat exchanger thermistor Replace PCB Replace the electronic expansion valve or coil Replace the PCB Change the air outlet grille position Change the installation location Clean the heat exchanger Check the installation space Check No 09 Outdoor fan check Judgment Check No 06 Heat exchanger thermistor check Judgment Check No 07 Installation cond...

Страница 112: ...0 5 4 5 V sensor output converted to voltage value or if the DC voltage before compressor start up is below 50 V Supposed Causes PCB defective Broken or poorly connected harness Troubleshooting Check the harness S30 Replace the harness No problem Keep on running Replace the PCB 2 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Is the ...

Страница 113: ...e disconnected Compressor itself defective Outdoor unit PCB defective Stop valve closed Input voltage out of specification Troubleshooting Check No 13 Refer to P 123 Replace the outdoor unit PCB Replace the outdoor unit PCB Reconnect as specified Inverter checker Part No 1225477 Correct the power supply or replace the outdoor unit PCB Replace the compressor R3041 Caution Be sure to turn off power ...

Страница 114: ...cision Conditions The compressor running frequency is below 52 Hz The input current is also below 0 5 A If this error repeats 4 times the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Outdoor unit PCB defective Troubleshooting Replace the outdoor unit PCB Cauti...

Страница 115: ...erature Malfunction Decision Conditions The thermistor input is above 4 96 V or below 0 04 V with the power on Error J3 is judged if the discharge pipe thermistor temperature is smaller than the condenser thermistor temperature Supposed Causes Connector in poor contact Thermistor defective Outdoor unit PCB defective Indoor unit PCB defective Condenser thermistor defective in the case of J3 error o...

Страница 116: ...t exchanger thermistor z Outdoor air thermistor Replace the following thermistor z Indoor heat exchanger thermistor Replace the outdoor unit PCB Replace the indoor unit PCB R4702 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again on remote controller NO YES YES YES NO Indoor heat exchanger thermistor functioning NO ...

Страница 117: ...ecking the radiation fin thermistor with the compressor off Malfunction Decision Conditions With the compressor off the radiation fin temperature is above 80 C Reset is made when the temperature drops below 70 C Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temperature rise due to short circuit Fin thermistor defective Connector in poor contact Outdoor unit PCB defecti...

Страница 118: ...Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error again or outdoor unit fan activated YES z Fin thermistor NO Slightly dirty Check No 09 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too dirty Functioning Thermistor as specified in its characteristic chart Above 80 C NO YES NO YES Check the radiation fin...

Страница 119: ... radiation fin temperature with the compressor on is above 90 C If a radiation fin temperature rise takes place 4 times successively the system will be shut down The error counter will reset itself if this or any other error does not occur during the following 60 minute compressor running time total time Supposed Causes Fin temperature rise due to defective outdoor unit fan Fin temperature rise du...

Страница 120: ...B or the power transistor Replace the fan motor Correct the connectors and fan motor leads Replace the outdoor unit PCB Clean up the radiation fin R4704 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Error displayed again YES NO Slightly dirty Check No 09 Check the outdoor unit fan or related Malfunctioning Radiation fin dirty Too di...

Страница 121: ... is running An output over current input is fed from the output over current detection circuit to the microcomputer The system will be shut down if the error occurs 255 times Clearing condition Continuous run for about 10 minutes normal Supposed Causes Over current due to defective power transistor Over current due to wrong internal wiring Over current due to abnormal supply voltage Over current d...

Страница 122: ... have been disconnected and reconnected for part replacement for example and the system is interrupted by an output over current take the following procedure Error again NO YES NO YES Voltage as rated YES NO Short circuit or breakage between compressor s coil phases NO YES Normal YES NO Any LED off Turn off the power and turn it on again to get the system started See if the same error occurs Turn ...

Страница 123: ...nditions continue for 80 seconds Target opening of the electronic expansion valve 480 pulse Discharge temperature 255 256 target discharge temperature 30 C Gas shortage detection III When the difference of the temperature is smaller than it is regarded as insufficient gas If a gas shortage error takes place 4 times straight the system will be shut down The error counter will reset itself if this o...

Страница 124: ...nit heat exchanger thermistor 1 Replace the PCB 2 Replace the compressor Procedure complete R4706 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Any thermistor disconnected YES Malfunctioning NO Stop valve closed NO YES YES NO Gas shortage error again Functioning Check No 06 Check the thermistors YES NO Oil oozing at internal piping ...

Страница 125: ...on Continuous run for about 10 minutes normal Supposed Causes Supply voltage not as specified Over voltage detection circuit defective PAM control part s defective Troubleshooting Note If the model doesn t have SPM replace the outdoor unit PCB Check the supply voltage Correct the power supply Check for such factors for a long term Replace the SPM Replace the outdoor unit PCB R2957 Caution Be sure ...

Страница 126: ... the continuity of the switch connection The shutter can be opened and closed with hand Keep the shutter open and closed all the way for each continuity check steps 7 6 5 4 3 2 1 Motor power supply voltage Unused Unused P 0V reference potential Motor control voltage 15 VDC Rotation command voltage 1 5 VDC Rotation pulse input Upper fan connector 8 7 6 5 4 3 2 1 Motor power supply voltage Unused Un...

Страница 127: ...tester Check the conductivity between pins 1 3 and 6 and between pins 2 4 and 5 If there is no conductivity between the pins the EV coil is faulty 4 If no EV generates latching sound in the above step 2 the outdoor unit PCB is faulty 5 If the conductivity is confirmed in the above step 2 mount a good coil which generated latching sound in the EV unit that did not generate latching sound and check ...

Страница 128: ...unit PCB Replace the four way valve coil Replace the four way valve R3047 NO Four way valve coil Cooling dry No continuity Heating Continuity YES YES Four way valve coil resistance at 3kΩ 0 5kΩ NO S80 voltage at DC 180 220 V with compressor on Fig 1 Disconnect the four way valve coil from the connector and check the continuity Fig 1 Voltage at S80 DC180 220V ON Compressor Time ...

Страница 129: ...ors on the PCB and measure the resistance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20kΩ B 3950 Temperature C 20 211 0 kΩ 15 150 10 116 5 5 88 0 67 2 5 51 9 10 40 15 31 8 20 25 25 20 30 16 35 13 40 10 6 45 8 7 50 7 2 ...

Страница 130: ... by the outdoor unit The outside air temperature shall be 43 C or lower Check the allowable dimensions of the air suction and discharge area Is the air flow blocked by obstacles or winds blowing in the opposite direction R1438 Abnormal YES YES YES Does the discharged air from other outdoor unit cause an increase of the suction air temperature NO NO NO Is the heat exchanger very dirty Discharge pre...

Страница 131: ... 5 1 10 Inverter Units Refrigerant System Check Check No 11 Check the outdoor unit fan system Reconnect R2857 Outdoor unit fan running YES Fan motor lead wire connector disconnected YES NO NO Outdoor unit fan system functioning Go to Check No 15 Fig 1 Fig 2 Refrigerant system check Check for gas leaks See the section on insufficient gas detection Conduct the check after operating the equipment for...

Страница 132: ...r off and disconnect the connector S70 2 Make sure there is about DC 270 V between pins 4 and 7 3 With the system and the power still off reconnect the connector S70 4 Make a turn of the fan motor with a hand and make sure the pulse 0 15 V appears twice at pins 1 and 4 If the fuse is blown out the outdoor unit fan may also be in trouble Check the fan too If the voltage in Step 2 is not applied it ...

Страница 133: ...Check SiBE06 514A 124 Service Diagnosis ...

Страница 134: ...lectrical Box 130 1 4 Removal of the PCB 133 1 5 Removal of the Heat Exchanger 135 1 6 Removal of the Fan Rotor Fan Motor 137 2 Outdoor Unit 139 2 1 Removal of Panels and Fan Motor 139 2 2 Removal of Electrical Box 146 2 3 Removal of Reactor and Partition Plate 148 2 4 Removal of Sound Blanket 150 2 5 Removal of Four Way Valve 152 2 6 Removal of Compressor 154 2 7 Removal of PCB 156 ...

Страница 135: ...re to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Appearance Enlarged illustration shows operation panel section Operation panel 2 Remove the front panel from the unit Push on the left and right upper parts of the panel marked with PUSH to open the front panel ...

Страница 136: ...A Indoor Unit Removal Procedure 127 3 Press down the two hooks located at left and right side upper parts of the air filter then bend slightly the air filter to remove it 4 Unhook the chain Step Procedure Points ...

Страница 137: ...Indoor Unit SiBE06 514A 128 Removal Procedure 5 Undo the three hooks on the bottom of the front panel Mounting screw M4 16 6 Loosen the four screws to take out the front grille Step Procedure Points ...

Страница 138: ...ower supplies before disassembling work Step Procedure Points 1 Open the horizontal blade 2 Undo the supporting bracket at the center position 3 Bend the horizontal blade slightly to undo the shafts at left and right side of the blade For installation engage the supporting bracket at center of the blade after insert the shafts at both ends to the pivot holes ...

Страница 139: ...to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Set the horizontal blade in horizontal position to take out the front grille toward yourself 2 Loosen the setting screw to remove the wire clamp 3 Disconnect the four connectors of the lead wire ...

Страница 140: ...edure 131 4 Remove the room temperature thermistor 5 Remove the heat exchanger thermistor Be sure not to drop the thermistor retaining spring 6 Loosen the two screws to remove the drip proof plate Mounting screw M4 8 Step Procedure Points ...

Страница 141: ... SiBE06 514A 132 Removal Procedure 7 To remove the electrical box loosen the two fixing screws and pull out the box forward Mounting screw M4 16 8 The figure shows parts in the electrical box Step Procedure Points ...

Страница 142: ... PCB Procedure Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Loosen the fixing screw to remove PCBs from the electrical box Display PCB 2 The figure shows the control PCB indoor unit ...

Страница 143: ...SW2 4 OFF initial set ON limit upward air flow 4 The figure shows the service PCB Select to discharge air only from top discharge port Select to discharge air with automatic pattern decided in accordance with operation mode and operation conditions It is recommendable to select has been selected before factory shipment Step Procedure Points ...

Страница 144: ...rant gas leaks during service work ventilate work area Toxic gas may be generated when refrigerant gas contacts with flame 3 Disconnect the flared joint of liquid pipe using two wrenches 14 17 double ended wrench 4 Disconnect the flared joint of gas pipe using two wrenches 17 23 double ended wrench Caution Do not contaminate any gas including air other than the specified refrigerant R 410A Contami...

Страница 145: ...edge of screw driver to remove the plate Mounting screw M4 16 6 Loosen the two screws located at left side of the heat exchanger Mounting screw M4 16 7 Pull left side of the heat exchanger toward yourself slide to right to undo the hook and remove the heat exchanger Caution When removing or re installing heat exchanger be sure to wear protective gloves or wrap heat exchanger with cloths Fins can c...

Страница 146: ...rk Step Procedure Points 1 For removal of the drain pan disconnect the drain hose then loosen the two screws located at left and right sides Be careful not to wet the floor with drain water Disengage harness for drain pan from right side hook 2 Remove the drain pan This swing motor is for down flow shutter 3 To remove the swing motor on discharge port of the drain pan loosen the two fixing screws ...

Страница 147: ...d wire for the bottom fan motor Mounting screw M4 16 5 Remove the motors and cross flow fans Loosen the fixing screw to separate the fan and motor 6 To remove the casing loosen the four screws at front side and the other four screws at rear side Casing mounting screw Front M4 16 Rear M4 14 Condition Casing Protruded Not to be removed Semi sink To be removed Sink Not to be removed Step Procedure Po...

Страница 148: ...ore after turning off all power supplies before disassembling work Step Procedure Points 1 Features Take care not to cut your finger by the fins of the heat exchanger The stop valve cover is united with the shelter When reassembling make sure to fit the 5 hooks 1 Loosen the screw of the stop valve cover Pull down the stop valve cover and remove it ...

Страница 149: ... the panels 1 Loosen the 3 screws front right left and lift the top panel 2 Remove the drip proof plate 3 Disconnect the connector for fan motor S70 The fan motor is united with the front panel 4 Loosen the 5 screws of the front panel Step Procedure Points ...

Страница 150: ...s 4 hooks The fan motor is united with the front panel 3 Remove the fan motor The screw has reverse winding 1 Unscrew the washer fitted nut M10 of the propeller fan with a spanner 2 Remove the propeller fan Align mark of the propeller fan with D cut section of the motor shaft when reassembling Step Procedure Points ...

Страница 151: ...ft the bell mouth to undo the hooks Remove the bell mouth 4 Loosen the fixing hooks and release the lead wire Put the lead wire through the back of the motor when reassembling so as not to be entangled with the propeller fan Step Procedure Points R3249 Lead wire Propeller fan ...

Страница 152: ...SiBE06 514A Outdoor Unit Removal Procedure 143 5 Loosen the 4 screws to remove the fan motor M4 16 DC fan motor 6 Loosen the 2 screws to remove the fan motor fixing frame Step Procedure Points ...

Страница 153: ...06 514A 144 Removal Procedure 4 Remove the right side panel 1 Loosen the 2 screws on the rear side 2 Loosen the 3 screws on the right side 3 Loosen the screw and lift the connection port to remove Step Procedure Points ...

Страница 154: ...SiBE06 514A Outdoor Unit Removal Procedure 145 When reassembling make sure to fit the hook Step Procedure Points ...

Страница 155: ...plies before disassembling work Step Procedure Points Remove the top panel Disconnect the connector for fan motor 1 Remove the electrical box 1 Disconnect the 2 reactor harnesses 2 Disconnect the relay connector for compressor lead wire 3 Disconnect the connector for four way valve S80 When reassembling coil the excessive lead wire and hang the loop on the hook ...

Страница 156: ...re 147 4 Release the discharge pipe thermistor Pay attention so as not to lose the clip for thermistor 5 Release the heat exchanger thermistor Pay attention so as not to lose the clip 6 Lift and remove the electrical box Step Procedure Points ...

Страница 157: ...re Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Remove the outer panels Remove the electrical box 1 Remove the reactor 1 Loosen the screw Lift and remove the reactor 2 Remove the partition plate 1 Loosen the 2 screws ...

Страница 158: ...A Outdoor Unit Removal Procedure 149 2 The partition plate has a hook on the lower side Lift and pull the partition plate to remove When reassembling fit the lower hook into the bottom frame Step Procedure Points ...

Страница 159: ...lies before disassembling work Step Procedure Points Remove the outer panels Remove the electrical box 1 Remove the sound blanket 1 Untie the strings and open the sound blanket 2 Lift and remove the sound blanket body as it is opened Since the piping ports on the sound blanket are torn easily remove the blanket carefully 3 Lift and remove the sound blanket top ...

Страница 160: ...utdoor Unit Removal Procedure 151 4 Pull the sound blanket inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully 5 Pull the sound blanket bottom out Step Procedure Points ...

Страница 161: ...r turning off all power supplies before disassembling work Step Procedure Points 1 Remove the peripheries Remove the four way valve and the sheets of putty so as not to burn them 1 Remove the terminal cover Be careful so as not to burn the compressor terminals or the name plate Make a note 2 Loosen the screw of the four way valve coil ...

Страница 162: ... a tube cutter 4 Heat up the brazed part and withdraw the piping with pliers Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it Step Procedure Points ...

Страница 163: ...to burn the heat exchanger fin Warning Since it may happen that refrigeration oil in the compressor will catch fire prepare wet cloth so as to extinguish fire immediately In case of the difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the main unit by a miniature copper tube cutter in order to make it easy to disconnect Caution...

Страница 164: ...SiBE06 514A Outdoor Unit Removal Procedure 155 Step Procedure Points 3 Heat up the brazed part of the suction side and disconnect 4 Lift the compressor up and remove it ...

Страница 165: ...ning off all power supplies before disassembling work Step Procedure Points 1 Remove the PCB You can remove the PCB when you disconnect the read wires on the terminal board without removing the electrical box PbF Pb free brazing is adopted 1 Feature of the PCB 2 Loosen the screw on the terminal board 3 Release the earth terminal ...

Страница 166: ...SiBE06 514A Outdoor Unit Removal Procedure 157 4 Loosen the 4 screws 5 Undo the 3 hooks on the upper side 6 Lift and pull out the PCB Step Procedure Points ...

Страница 167: ...Outdoor Unit SiBE06 514A 158 Removal Procedure 7 Feature of the PCB S70 fan motor S80 four way valve S90 thermistor outdoor air heat exchanger discharge pipe See page 15 for detail Step Procedure Points ...

Страница 168: ...SiBE06 514A Others 159 Part 8 Others 1 Others 160 1 1 Test Run from the Remote Controller 160 1 2 Jumper Settings 161 ...

Страница 169: ...on and Testing 1 Measure the supply voltage and make sure that it falls in the specified range 2 Trial operation should be carried out in either cooling or heating mode 3 Carry out the test operation in accordance with the Operation Manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requires a small amount of power in its standby mode If ...

Страница 170: ... unit and fix it with two screws removed in Step 3 9 Connect the four connectors and hook on the claw as the manner of the lead cord 10 Pull out the remote controller cable with connecting cable from the indoor unit Wireless remote controller 1 Slide the front cover and take it off 2 Cut the address jumper J4 1 2 2 Jumper Setting R92 R91 R90 ADDRESS JA JB JC ADDRESS JA EXIST CUT 1 2 ADDRESS JA EXI...

Страница 171: ...Others SiBE06 514A 162 Others ...

Страница 172: ...SiBE06 514A Appendix 163 Part 9 Appendix 1 Piping Diagrams 164 1 1 Indoor Units 164 1 2 Outdoor Units 165 2 Wiring Diagrams 167 2 1 Indoor Units 167 2 2 Outdoor Units 167 ...

Страница 173: ...NT SINGLE UNION JOINT INDOOR UNIT 7 9CuT CROSS FLOW FAN CROSS FLOW FAN FAN MOTOR FAN MOTOR 9 5CuT M M HEAT EXCHANGER 7 0CuT 7 0CuT THERMISTOR ON HEAT EXCH 4D050798 FIELD PIPING FIELD PIPING 6 4CuT 9 5CuT REFRIGERANT FLOW SINGLE UNION JOINT SINGLE UNION JOINT INDOOR UNIT 7 9CuT CROSS FLOW FAN CROSS FLOW FAN COOLING HEATING FAN MOTOR FAN MOTOR 9 5CuT M M HEAT EXCHANGER 7 0CuT 7 0CuT ON HEAT EXCH THE...

Страница 174: ...IPING 6 4CuT 9 5CuT REFRIGERANT FLOW COOLING DISCHARGE PIPE THERMISTOR MUFFLER 7 9CuT FOUR WAY VALVE NORMALLY OFF COMPRESSOR 9 5CuT ACCUMULATOR 7 9CuT 9 5CuT PROPELLER FAN 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT HEAT EXCHANGER 4 8CuT 4 8CuT HEAT EXCHANGER THERMISTOR MUFFLER WITH FILTER OUTDOOR TEMPERATURE THERMISTOR 6 4CuT 6 4CuT MUFFLER WITH FILTER MOTOR OPERATED VALVE MUFFLER WITH FILTER 6 4CuT...

Страница 175: ...TOR 6 4CuT 6 4CuT MUFFLER WITH FILTER MOTOR OPERATED VALVE φ 4 0 ID 2 0CuT OUTDOOR UNIT MUFFLER WITH FILTER 6 4CuT REFRIGERANT FLOW COOLING HEATING 3D047315A M 9 5CuT DISCHARGE PIPE THERMISTOR MUFFLER PROPELLER FAN 7 9CuT 7 9CuT COMPRESSOR FOUR WAY VALVE ON HEATING 9 5CuT ACCUMULATOR 9 5CuT 9 5CuT 7 0CuT 7 0CuT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER THERMISTOR OUTDOOR TEMPERATURE THERMISTOR 4 ...

Страница 176: ...1C L1R M1F C74 C75 IC11 DB1 DB2 MRCW MRM10 MRM20 FU1 FU2 FU3 C94 C95 C100 2 3 1 FIELD WIRING L N X1M INTELLIGENT POWER MODULE TRIAC FUSE LIVE COIL CAPACITOR REACTOR MAGNETIC RELAY COMPRESSOR MOTOR FAN MOTOR DIODE BRIDGE 2 3 1 RED BLK WHT GRN YLW Z2C GRN YLW HN1 HL1 E S FU3 20A V2 PCB1 V3 N SA1 Q1L PCB1 PCB2 S30 S40 S70 HC3 HC4 HL3 HN3 S80 S90 S91 R1T R2T R3T R12T S10 S11 S20 L1 outdoor S80 TYPE CO...

Страница 177: ...Wiring Diagrams SiBE06 514A 168 Appendix ...

Страница 178: ...check No 01 117 check No 02 117 check No 03 117 check No 04 118 check No 05 119 check No 06 120 check No 07 121 check No 08 121 check No 09 122 check No 10 122 check No 11 122 check No 13 123 check No 15 123 compressor 154 compressor lock 95 compressor overload 94 compressor protection function 37 compressor system sensor abnormality 103 connectors 12 14 control PCB indoor unit 13 133 control PCB ...

Страница 179: ...ol 85 high pressure control in cooling 101 HL3 14 HN3 14 HOME LEAVE operation 27 65 horizontal blade 129 hot start function 29 I indoor heat exchanger thermistor 31 32 indoor unit PCB abnormality 84 input current control 38 input over current detection 97 installation condition check 121 instruction 51 insufficient gas 114 insufficient gas control 45 inverter features 19 inverter POWERFUL operatio...

Страница 180: ...12 S302 12 S31 12 S32 12 S40 14 S6 12 S7 12 S70 14 140 158 S8 12 S80 14 146 158 S90 14 158 safety precautions 51 self diagnosis digital display 30 sensor malfunction detection 45 service check function 80 service PCB 134 shelter 139 shutter drive motor 90 shutter limit switch 90 signal receiver PCB 13 signal receiving sign 29 signal transmission error 91 sound blanket 150 specifications 6 starting...

Страница 181: ...SiBE06 514A iv Index ...

Страница 182: ...ing only model 32 heat pump model 31 H heating peak cut control 39 high pressure control in cooling 101 HOME LEAVE operation 27 I indoor unit PCB abnormality 84 input current control 38 input over current detection 97 installation condition check 121 insufficient gas 114 insufficient gas control 45 inverter features 19 inverter POWERFUL operation 28 inverter units refrigerant system check 122 J ju...

Страница 183: ...tor or related abnormality indoor unit 89 thermistor or related abnormality outdoor unit 106 thermistor resistance check 120 thermostat control 25 trial operation from remote controller 160 turning speed pulse input on the outdoor unit PCB check 123 U unspecified voltage between indoor and outdoor units 92 W wiring diagrams FVKS25 35BAVMB 167 FVKS25 35BVMB 167 FVXS25 35BAVMB 167 FVXS25 35BVMB 167 ...

Страница 184: ... product corrosion Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorized parts ...

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