Sharp FU-40SE-TA Service Manual

FU-40SE-TA

SERVICE MANUAL

SHARP CORPORATION

S4318FU40SETA

AIR PURIFIER

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.

FU-40SE-TA

MODEL

Page

SAFETY PRECAUTIONS ..................................................................................................................................2

FOR EFFECTIVELY USING THIS PRODUCT..................................................................................................4

SPECIFICATIONS .............................................................................................................................................4

NAMES OF PARTS .......................................................................................................................................... 5

INSTALLATION .................................................................................................................................................6

OPERATION......................................................................................................................................................8

WIRING DIAGRAM......................................................................................................................................... 10

TROUBLESHOOTING GUIDE ........................................................................................................................20

REPLACEMENT OF MAIN PARTS .................................................................................................................22

CARE AND MAINTENANCE .......................................................................................................................... 25

USE RESIN TABLE .........................................................................................................................................26

PARTS LIST ....................................................................................................................................................26

TABLE OF CONTENTS

Tabletop / wall-mounting type

FU-40SE-TA

SAFETY PRECAUTIONS

•

Do not use the unit if the power cord or plug is damaged or the connection to the wa

outlet is loose.

Electrical shock, short circuit and/or fire may occur as a result.

•

Do not damage, break, coat, for cefully bend, pull, twist, bundle, pinch or place heavy objec

on the power cord.

If the power cord is damaged, fire and/or electrical shock may occur as a result.

•

Use AC 220 - 240V only.

Fire and/or electrical shock may occur as a result.

•

Do not modify. Repair and disassembly of this product are to be performed b y authorize

service personnel only.

Fire, electrical shock and/or bodily injury may occur as a result. For repair, contact your dealer of purchase or the nearest Sharp Service Center.

•

Periodically remove dust from the power plug

Accumulated dust on the power plug may cause bad insulation from humidity, etc. Fire and/or electrical shock may occur as a result.

•

When cleaning the unit, be sure to remove the power plug from the wall outlet.

In addition, never handle the power plug with wet hands. Electrical shock and/or bodily injury may occur as a result.

•

Do not use the unit where there are oil ingredients such as cooking oil, etc., in the air.

Cracking of the unit surface may occur as a result.

•

Do not wipe the unit with benzene or paint thinner. Also, do not spray insecticides on th

unit.

Cracking, electrical shock and/or fire may occur as a result.

•

Do not operate the unit when using indoor smoke-generating insecticides.

Chemical ingredients may accumulate within the unit and then discharge from the exhaust po

when the unit operates. Discharge of such chemicals may be unhealthy to your body.

•

Do not allow the unit to intake flammable gases, sparks from lit cigarettes, incense, etc

The unit may ignite as a result.

•

Do not use the unit where it is humid, such as in a bathroom, etc., or where the unit ma

get wet.

Electrical shock and/or malfunction may occur as a result.

•

Do not insert fingers or foreign objects into the intake or exhaust ports.

Electrical shock and/or malfunction may occur as a result.

•

When mounting to a wall, select a sturdy wall or studding.

The unit may fall as result.

•

When removing the power plug, always hold the plug and never pull the cord.

Electrical shock and/or fire from short circuit may occur as a result.

•

Ventilate when using the unit along with a heating appliance.

Carbon monoxide poisoning may occur as a result.

•

Remove the power plug when not using the unit.

Electrical shock from bad insulation and/or fire from short circuit may occur as a result.

•

If the supply cord is damaged, it must be replaced by the manufacturer or its service age

or similarly qualified person in order to avoid a hazard.

•

The batteries must be removed from the appliance before it is scrapped and that they a

disposed of safely.

FU-40SE-TA

AUTIONS CONCERNING THE USAGE OF THIS PRODUCT

• Do not block the intake and exhaust ports.

• Do not use the unit near or on hot objects, such as a sto ve, etc. Also, do not use the unit whe

it may come into contact with steam.

• Do not use the unit on its side.

Deformation, malfunction and/or overheating of the motor may occur as a result.

• Do not install when there is generation of lampblack, such as in a kitchen, etc.

• Do not use detergent when cleaning the unit.

The unit surface may become damaged or cracked. In addition, the sensors may malfunction as a result.

• When transporting the unit, always hold the handle on the back of the unit.

Holding the front panel when carrying may cause it to detach, thus dropping the unit and resulting

bodily injury.

AUTIONS WHEN MOUNTING THIS PRODUCT TO A WALL

• The air purifier should be installed on a firm wall with enough strength.

• Never mount the unit to a thin wall or plasterboard of insufficient strength. The unit may dr o

as a result.

• When mounting the unit to a wall, remove the front panel and hold the main unit.

Holding the front panel may cause it to become detached, thus dropping the unit and resulting

bodily injury.

• Do not install when there is generation of lampblack, such as in a kitchen, etc.

The unit surface may crack or the sensors may malfunction as a result.

AUTIONS CONCERNING THE INSTALLATION

DO NOT USE THE REMOTE CONTROL IN THE FOLLOWING LOCATIONS

• Location where there are inverter lighting equipment or electronic spontaneous lighting equi

ment

The remote control may become inoperative. In this case, move away from such lighting equipme

or change direction.

• Location exposed to direct sunlight

The unit may not received signals from the remote control The unit may not respond to the signals of the remote control if the ends of fluorescent lightin

become black or lights flick er due the depletion of service life; howev er , this is not a malfunction of th

remote control or the main unit. In this case, replace the lighting with new fluorescent tubes.

TAKE CAUTION TO THE FOLLOWING DURING INSTALLATION

• Leave at least 2m of space from televisions, radios and wave clocks.

Electrical interference may occur as a result.

• Leave at least 60cm of space from the wall

The motor may overheat, causing malfunction as a result.

• Avoid a location where sensors are exposed to direct wind

The unit may not operate properly.

• Avoid a location where curtains, etc., come into contact with the intake or exhaust port.

Curtains, etc., may become dirty or malfunction may occur as a result.

EFFECTIVE USAGE

• Stable surface with sufficient air circulation

• Near smoking area

Air pollution is detected quickly.

ABOUT THE FIL TER

• Do not wash and reuse Apatite HEPA filter and deodorization filter. It does not effect, and ma y becom

a cause of electric shock and trouble.

• Small dust and odors such as tobacco smoke rise and accumulate at the top of the room.

• Large dust such as pollen and house dust accumulate at the bottom of the room.

• The wall, etc., behind the exhaust port may become dirty as time passes. When using the unit f

extensive period in the same location, use a vinyl sheet, etc., to pre v ent the wall from becoming dir

ty.

In addition, periodical clean the wall, etc.

FU-40SE-TA

FOR EFFECTIVELY USING THIS PRODUCT

How the air purifier works The air purifier uses the internal fan to intake the air in the room through the intake port and discharges the air through the exhaust port after cleaning the air is passed through the internal filters (deodorization filter (stamina-power carbon) and dust collection filter (HEPA filter). The unit then repeats this process. During a single pass through the dust collection filter, 99.999% of large-size dust (0.3m) can be removed. (Dust collection efficiency of the HEPA filter by itself.) Odor ingredients are removed by repeatedly passing them through the deodorization filter for gradual adsorption. (At this time, the dust collection filter also adsorbs odor ingredients.)

For understanding the product

Some of the odor ingredients absorbed by the filters become separated and are discharged through the exhaust port as odor. Depending on the usage environment, this odor may become strong in several months and the exhaust port may smell. In this case, replace the filters.

SPECIFICATIONS

Type FU-40SE-TA Power supply 220 V 50Hz Air flow adjustment Max High Median Silent Power consumption (W) 39 21 10 4 Air flow (m 3 /hour) 240 180 117 30 Fan rotation speed (rpm) 1000±10 810±20 620±20 260±20 Noise (db) 48 41 35 16 Applicable floor area 1 around ~ 31m

Dust correcting method Mechanical purification Protective devices Temperature fuse Motor temperature (112°C) OFF

Current fuse Turning off when abnormal current (2.5A) flows Control panel ON/OFF Indication lamp Operation mode

ON/OFF, Tobacco, Pollen, AUTO, Air flow indication (Max., High, Median, Silent)

Air pollution level It displays Clean sign

When clean [Green] Dirt condition (Min.) [Orange] Dirt condition (Max) [Red]

OFF TIMER operation

A green lamp lights up at the time of off-timer operation. (1 hours, 2 hours, 8 hours)

Filter exchange lamp

Total operation time lights up in 21600 hours (one-day 12-hour x five years)

Remote control Operation mode

Manual, Auto, Silent, Rapid, Tobaccos, Pollen, OFF Timer, ON/OFF Filter reset, Plasma cluster (Auto, OFF, Clean, Refresh)

OFF TIMER time 1 hours, 4 hours, 8 hours Outside dimension (mm) 415 (W) x 197 (D) x 572 (H) [When a stand is attached] Weight (kg) 6.6 Cord length (m) 2.5 Installation Desk top, Wall tapestry Accessories Operation manual, HEPA filter, Remote controller, Deodorization filter

Batteries (size R6(AA) manganese batteries, Stand, Screws (2 pieces) Replace the filter 2 HEPA filter : approx. 5 years, Deodorization filter : approx. 5 years Option Replace filter : FZ-40SEF (A HEPA filter and a deodorization filter are included)

1: Based on the standard of The Japan Electrical Manufacturers Association, JEM1467

The size of the room to be referred to is the one in which dust concentration of 1.25mg/m3 may be reduced to

0.15mg/m 3 within 30 minutes under the condition that the natural ventilation is performed once per hour.

2: Based on the standard of The Japan Electrical Manufacturers Association, JEM1467 Ten cigarettes are smoked

per day in the place where the air cleaner is installed.

Reduction of stand-by power consumption

While this product is plugged in, it consumes the stand-by power of approximately 0.8W to activate the electric circuit

FU-40SE-TA

NAMES OF PARTS

Plasmacluster

MAIN UNIT DISPLA Y

Filter timer lamp

AUTO operation lamp

Fan level lamps

Tobacco smoke mode operation lamp

Pollen mode operation lamp

OFF timer display lamps

(set using remote control)

Power lamp

(Lights when the power plug is

inserted into the wall outlet)

Remote control receiver

Odor sensor

(Detects odors such as tobacco

smoke, incense, pets, cosmetics,

etc.)

Dust sensor

(Detects dust, smoke,

pollen, house dust, etc.)

Clean-sign lamp

The color changes when the air is dirty

Clean (green)

Little dirty (orange)

Very dirty (red)

EXPLODED

DIAGRAM

MODE-ON/OFF button

(Used to select operations or turn the

unit off)

Main unit

HEPA filter (white)

(Dust collection filter)

(W/ apatite antibacterial filter)

Stamina-power carbon (black)

(Deodorization filter)

Pre-filter

Front panel

Remote control

Hook

Stand

(Be sure to mount for tabletop instal-

lation)

Thumbscrew

ABOUT THE CLEAN-SIGN LAMP

• The dust sensor displays a clean sign depending on

the relative change of the environment at the time the

power plug is inserted in the wall outlet and after.

• When the air is extremely dirty at the time the power

plug is inserted, the clean sign lamp may light green

since the polluted state is the environment which the

sensor bases the pollution rate on.

• In this case, switch manually to desirable operation as

effective operation can’t be done in auto operation.

• To reset the base pollution rate of the clean-sign lamp

remove and insert the power plug again the room air

becomes clean.

Silent

Median

High

Max

It can’t remove the noxious substances

(carbon monoxide etc.) of cigarette.

ACCESSORIES

Remote control

(1 unit)

Battery

(R6(AA) X 2 units)

When using on tabletop

Stand

(1 unit)

Thumbscrew

(2 units)

Located on

bottom of

stand

CLUSTER ION LAMP

Cluster ion operation is selected using the remote control.

Blue light

When the cluster ion operation is in the Clean mode or AUT O cluster ion mode and the

air in the room is dirty, the light turns on and the unit will operate in the Clean mode.

Green light

When the cluster ion operation is in the Refresh mode or AUTO cluster ion mode and

the air in the room is clean, the light turns on and the unit will operate in the Refresh

mode.

Light off

No cluster ions are generated.

If the lamp is bright when sleeping, or if the ion generation noise is irritating, turn off the

cluster ion operation.

BACK

Handle

Exhaust port

Power cord

Power plug

It changes with

destinations.

When using this product to a wall

Wall mounting

bracket 1

Wall mounting

brac

ket 2

Wood screw

(4 units)

Small screw

(2 units)

Cushions

(2 units)

FU-40SE-TA

INSTALLATION

HEN USING THE UNIT ON A

ABLETOP

MOUNTING THE ST AND

Remove the front panel.

• At this time, also remo ve the pre-filter , stamina-power carbon and the HEPA filter. Front panel

Place the unit with its front side facing down on a flat and stable surface.

• Place a soft cloth, etc., to prevent damaging the unit.

Insert the tabs on the stand into the holes on the main unit and fix the stand using the included thumbscrews (2 units).

Holes

WHEN USING THE UNIT WITH A MOUNTED WALL

CAUTION

Mount on a flat surface

• Do not mount the unit to a location that is not flat such as a wall with a door header, etc. Do not mount the unit to a thin wall with little strength such as a plasterboard, etc. The unit may fall and can be very dangerous.

• When mounting the air purifier to the wall, th

mounted wall will become dirty as time passe

To prevent this, place a vinyl sheet, etc

around the unit.

• A wall side to install is to choose the place

have the strength done firmly.

• In the case of a wall or concrete wall with litt

strength, request installation to a speciali

such as an electric appliance shop, etc.

• Do not install in a location with heavy lam

black, such as in a kitchen, etc. The unit su

face may crack as a result.

Determine the mounting locatio

Leave space around the bracket by referrin

to the illustration below. The unit cannot b

mounted if there is insufficient spacin

around the bracket.

75cm or more

69cm or more from the ceiling

Size of ma

unit

75cm or more

Mounting

bracket 1 60cm or more from sidewall

60cm or more from sidewall

Thumbscrews

Tabs

FU-40SE-TA

Mount mounting bracket 1

• Install it after you ask a specialist and you can get the confirmation of the strength.

• Mount the bracket using the included wood screws (long screws) so that it level.

Mount the bracket to the back of the main unit using the included small screws (2 units).

Place the 2 cushions

Mount the main unit

(1) Align the horizontal positions of mount-

ing brackets 1 and 2 and hook the bracket 2 to bracket 1.

(2) Hold the bot-

tom of the main unit, pull the unit towards you and then pull down.

Check the installation

• Check to make sure that the tabs on mounting bracket 2 are securely mounted to the tabs on mounting bracket 1.

• Check that the power cord is not pinched.

REMOVING THE UNIT

Pull the bottom of the unit towards you and then lift.

NOTES

• When removing the unit, use a firm stand.

• Disconnect the power cord before removing the unit.

Cushions (2 units)

Use 4 wood screws (long screws)

Mounting bracket 1

Wood screws (4 units)

Wood

Use 3 wood screws (long screws)

Mounting bracket 1

Wood screws (3 units)

Wood

Mount mounting bracket 2 to the main unit

Do not use wood screws (long screws)

Mounting bracket 2

Small screws (2 units)

FU-40SE-TA

OPERATION

TION

MAIN UNIT OPERATION

The unit will start operation when the MODE-ON/OFF button is pressed.

(The unit will start operation in AUTO mode)

• During operation, the cluster ion lamp will light. (During start of operation, the cluster ion mode will be AUTO)

The operation mode suitable for the usage condition can be set.

Stop AUTO operation

The fan level is automatically switched (High, Median, Silent) depending on the amount of pollution in the air detected by the dust sensor for efficient air purification.

Silent operation

The unit will operate using little air.

Median ~ Max operation

The unit will operate with fan level of median, high or max.

Tobacco smoke mode operation

The unit will operate in High for 10 minutes, then the unit will return to the AUTO mode.

10 minutes: High fan level AUTO mode operation

Pollen mode operation

The unit

will operate in High for 10 minutes, then the unit will alternately

operate between Median and High.

10 minutes: High fan level 20 minutes: Median level 20 minutes: High fan level

For the first 30 seconds after the power plug is inserted into the wall outlet, the unit will check the conditions of the air. If operation is set to ON during this time, the Clean sign lamp will alternately flash in green, orange and red. During this time, the Cluster ion lamp will light blue and the unit will be in the Clean mode.

Cluster ion lamp

• AUTO operation

• Silent operation

• Median level operation

• High level operation

• Max level operation

•

Tobacco smoke mode

operation

• Pollen mode operation

Operations available with main unit

Plasmacluster

It can’t remove the noxious substances (carbon monoxide etc.) of cigarette.

MODE-ON/OFF button

FU-40SE-TA

REMOTE CONTROL OPERATION

• To start operation, press the ON/OFF button. A short beep will sound and operation will start in the AUTO mode.

• To stop operation, press the ON/OFF button again. A long beep will sound and operation will stop.

Transmitter Manual (fan level)

button

The fan level can be switched between Silent, Median, High and Max.

Silent operation button

Operation will be in the Silent mode with little air.

Tobacco smoke mode operation button

Unit will operate effectively when smoking cigarettes, etc.

ON/OFF button

Used to start AUTO operation (short beep) and stop operation (long beep).

Filter reset button

Press this button after replacing the filters.

AUTO (fan level) button

The fan level switched automatically depending on the amount of pollution in the air.

Max operation button

Used to quickly clean the air in the room.

Pollen mode operation button

The unit operates effectively when you suspect pollen in the air.

OFF timer button

Used to set the OFF timer. The set time switches every time the button is pressed as shown below. 1 hour 4 hours 8 hours Cancel

• The remaining time is indicated by the lamp as time

passes.

• The unit will stop operation when the timer is up.

Cluster ion select button

AUTO cluster ion button

The unit will switch between the Clean mode and Refresh mode automatically depending on the amount of pollution in the air detected by dust and odor sensor.

Clean button

The unit will constantly operate in the Clean mode. The Clean mode is effective for removing mold fungus in the air. (Cluster ion lamp on (blue))

OFF button

The generation of ions is stopped and the cluster ion lamp is turned off.

Refresh button

The unit will constantly operate in the Refresh mode. The Refresh mode maintains the balance of ions in the air for a refreshing effect. (Cluster ion lamp on (green))

If the room smells especially moldy, operate the unit in the Clean mode.

• Fan level manual operation

• Fan level AUT O operation

• Silent operation

• Max operation

•

Tobacco smoke mode

operation

• Pollen mode operation

• OFF timer setting

• Cluster ion select

AUTO cluster ion Clean mode Refresh mode

Operations available with remote control

At the start of operation, the Cluster ion mode is also set to AUTO.

RESET

AUTO OFF

AIR PURIFIER

Plasmacluster

It can’t remove the noxious substances (carbon monoxide etc.) of cigarette.

FU-40SE-TA

WIRING DIAGRAM

WH-B

SW1

SWITCH PWB ASS'Y

CN-G

CONTROL PWB ASS'Y

CN-E

CN-F

CN-H

RELAY PWB ASS'Y

WH-C

CN-J

DUST SENSOR

(CKITTA001KKEZ)

SENSOR HARNESS

(FW-VZA024KKEZ)

MOTOR HARNESS (FW-VZA031KKEZ)

HIGH VOLTAGE UNIT (CKITTA006KKKZ)

CMOT-A002KKEZ

FAN

MOTOR

WH-A

POWER SUPPLY PWB ASS'Y

CN-C

CN-D

CN-B

CN-A

TEMPERATURE FUSE (FOR MOTOR)

ERVICE PARTS

WB ASS`Y (CPWB-A013KKKZ) = POWER SUPLY PWB + SWITCH PWB

AC 230V

HIGH VOLTAGE HARNESS (FW-VZA027KKEZ

)

POWER SUPPLY CORD

(CACC-A005KKEZ)

+ CONTROL PWB + RELAY PWB

FU-40SE-TA

Control circuit diagram

R74

J60

DON'T TOUCH

LED15

BLUE

RED

FU-40SE-TA

Circuit diagram

BLOCK DIAGRAM

(2) Circuit description

1) Noise-prevention circuit

This circuit protects the circuit from the external noise and lightning surge coming in from the AC plug, and also absorbs the noise outgoing from the AC plug. It consists of the film capacitor C1 and C4, varistor VRS1, current fuse FUSE1, and line filter L1.

2) Power supply circuit

a) Vm: The commercial power supply (AC220-240V) is put through the current fuse FUSE1 and the thermal

fuse, rectified by the diode bridge DB1, and smoothed by the electrolytic capacitor C2. Then it is supplied as the power input for the fan motor and the hybrid IC (HIC1). (Vm = approx. DC310 - 340V)

b) VL: The hybrid IC (HIC1) is activated by the DC input Vm and the external coil L2, and has two output

terminals. The first output is changed into VL after being smoothed by the electrolytic capacitor C12. It is used as the power supply for the buzzer drive circuit, fan motor drive circuit, relay RY1, and highvoltage unit drive SSR1 (VL = approx. DC15V).

c) VDD: The second output is smoothed by the electrolytic capacitor C11 before used as the power supply for

the microcomputer LSI-1, high-voltage unit drive circuit, relay drive circuit, dust/odour sensor circuits, and LED drive circuit (VDD = approx. DC5V).

3) Power supply clock generation circuit

The voltage between the input terminal to DB1 and its output terminal (GND) is divided by the resistor R21, R22 and R23, and input into the digital transistor Q21. Then it is converted into the DC square wave signal that has the same frequency with the AC power supply, and input into the pin 31 on the microcomputer LSI1 via the resistor R25 and the ceramosonic capacitor C22. The microcomputer LSI-1 considers it as the source signal for time count, and decides the power supply frequency and controls the output time. When this signal retains " H " or " L " state for over certain period of time, the microcomputer LSI-1 assumes it to be a power failure and stops outputs from the fan motor, high-voltage unit, dust/odour sensors, buzzer, and LED.

4) Reset circuit

If the VDD is lower than specified, " L " is input into the pin 18 of the microcomputer LSI1 to reset LSI-1 using the circuit consisting of the reset IC (IC2), R31 and C32. When VDD is higher than specified, " H " is input into the same pin, reset command is canceled, and LSI-1 is started.

12)

13)

11)

14)

2) 3) 7)

)

10) 15)

5) 6)

Power supply clock generation circuit

LED drive circuit

Buzzer drive circuit

Relay drive circuit

High voltage unit drive circuit

Fan motor drive circuit

Noise prevention circuit

Odour sensor circuit

Dust sensor circuit

Reset circuit

Power supply circuit

Clock circuit

EEPROM circuit

Remote contro

signal recieve circuit

Key input circuit

LSI 1(Microcomputer)

FU-40SE-TA

5) Clock circuit

This generates the clock signal required for operation of the microcomputer LSI-1. Its frequency is 4MHz which is supplied from the ceramic oscillator CF1.

6) Key input circuit

The key SW1 on the switch PWB K is connected to the resistor R101. The key status is input into the pin 7 of the microcomputer LSI-1 via the resistor R102 and the ceramosonic capacitor C101.

Key ON : H, Key OFF : L

7) LED drive circuit

Repetitive signal of " H " and " L " output from the pins 3 - 5 of the microcomputer LSI-1 turns on and off the digital transistors Q110 - Q112. They are turned on one by one at intervals of certain time. When " L " is output from the pins 11 - 16 of the microcomputer LSI1 as they are turned on, the corresponding LED that are connected to them light up. The LED to display the cluster mode has two colors of super-high-intensity green and blue. When in the clean mode, " L " is output from the pin 10 of he microcomputer LSI1, Q114 is turned on, and the blue LED lights up. When in the refresh mode, " L " is output from the pin 9, Q113 is turned on, and the green LED lights up.

8) Remote control recieve circuit

The infrared signal transmitted from the remote control is received by the reception unit RU1. When the H/L signal is input into the pin 8 of the microcomputer LSI-1 via the resistor R81 and the ceramosonic capacitor C83, it is determined from which key the signal was transmitted. C81, C82, and C83 absorb or reduce the disturbing lights, noise derived from its own power supply circuit, and external noise.

9) Dust sensor circuit

When the pulse signal, which is the dust sensor drive signal, is output from the pin 35 of the microcomputer LSI-1 (input into the pin 3 of the sensor connector CN-F), the dust sensor is activated and the sensor output signal (pin 2 of the sensor connector CN-F) is input into the pin 30 of the microcomputer (A/D conversion terminal) via R62 and C63.

Using the pulse signal input from the microcomputer, the infrared LED inside the dust sensor emits light. When the light is reflected by the dust that passes through the sensor, it is detected by the internal photo acceptance unit and smoothed and amplified, and then output from the terminal.

Less dust: less light acceptance less output (low voltage) More dust: more light acceptance more output (high voltage)

After turning the power on, the value obtained 20 seconds after starting the first operation (for 30 seconds, the clean sign of three colors for stabilization is lit one by one) is compared to the initial setting reference value of the microcomputer. If it is clean enough, the reference value is revised, and if it is dirtier than the designated level, the clean sign is changed to the sign that indicates the air is contaminated (orange or red, depending on the level), while the reference value remains the same. The value is compared with the reference value in the previous operation and is controlled 20 seconds or more after the operation is started. The dust sensor is always activated during operation, and air contamination is checked in every four seconds in relative comparison between the average value and the reference value. The clean sign is displayed, the fan motor is controlled or the cluster mode is switched according to the level of contamination.

Reference value: If the current level is cleaner the reference valueis is changed to the current value

than the reference value immediately. : If the current level is dirtier the value remains the same. than the reference value the reference value is revised when the level becomes

cleaner than that.

The dust sensor is activated only during the operation. It is deactivated while the operation is stopped to cut down the standby power consumption.

Luminescence sid

eceiver

The hole through which dust passes

FU-40SE-TA

10) Odour sensor circuit

The pulse signal, which is the odour sensor drive signal, is output from the pin 37 of the microcomputer LSI1, and the odour sensor is pulse-driven on the circuit of Q71, Q72, R73, R74, R76, and C73. The sensor output signal is input into the pin 27 (A/D conversion terminal) of the microcomputer via R71 and C71.

The metal oxide semiconductor in this sensor reacts to ammonia, hydrogen, and alcohol, and changes the resistance.

Weak odour : high resistance high voltage Strong odour : low resistance low voltage

After turning the power on, the value obtained 25 seconds after starting the first operation (for 30 seconds, the clean sign of three colors for stabilization is lit one by one) is set as the reference value and the contamination is decided in relative comparison between the values detected at an interval of approximately one second and the reference value. According to the contamination level, the clean sign is displayed, the fan motor is controlled, or the cluster mode is switched. Although the odour sensor is always activated during operation, it is deactivated while the operation is stopped to cut down the standby power consumption. However, if it comes to a complete stop, the readingcondition is altered in the next operation. Therefore, it is activated for one minute in every ten minutes to keep the operating conditions. Reference value: if the current level is cleaner than the reference value the reference value is changed to the

current value immediately. If the current level is dirtier than the reference value and the contamination level changes (such as suddenly increased odour of cigarette smoke)

the reference value remains the same, but the clean sign is changed to indicate the air is contaminated

(orange or red, depending on the level).

the value in the clean condition (green) is adopted as a new reference value. If the current level is dirtier than the reference value and the contamination level does not change (Natural change only)

the reference value remains the same.

the value in the cleanest condition at eight-minute intervals is adopted as a new reference value.

11) Buzzer drive circuit

The " H " / " L " signals output from the pin 34 of the microcomputer LSI1 drive the digital transistor Q51 and sound the buzzer BZ1.

12) Fan motor drive circuit

The fan motor has four input terminals and one output terminal. Vm (CN-C7 pin) : DC voltage input to be the source of motor rotation. (Vm = approx. DC310-340V)

Vm created by the power supply circuit is directly input and is constantly applied.

GND (CN-C5 pin) : Reference of the electric potential. All potentials such as Vm, Vcc, Vs, and PG indicate the

potential differences with GND.

Vcc (CN-C3 pin) : DC voltage input terminal to be the power supply for the circuit that is built in the fan motor.

During operation, it turns on Q43 and Q44 by outputting the ÉÅHÉÇ signal from the pin 33 of the microcomputer LSI1 of the fan motor, and supplies the potential almost equal to VL to the Vcc terminal (Vcc = approx. DC15V).

Vs (CN-C2 pin) : This input terminal controls the revolution speed of the fan motor (speedinstruction signal).

After supplying Vcc during operation, the PWM (x/256ÉIs) pulse is output from the pin 6 of the microcomputer LSI-1 and smoothed in the circuit consisting of C41, R41-43, Q41 and Q42. Then it goes through R46 and C43 to supply the DC voltage to the Vs terminal. (Vs = approx. DC0 É~ 6V) When speeding up revolution: the pulse width X is widened

Vs voltage is increased

When slowing down revolution: the pulse width X is narrowed Vs voltage is decreased

PG (CN-C1 pin) : Fan motor revolution speed output terminal (feedback signal)

The pulse signal according to the revolution speed is output and it is input into the pin 32 of the microcomputer LSI1 via the circuit consisting of R47, R44, R45, and C42. The microcomputer recognizes the current revolution speed based on this PG signal, and controls the Vs signal above to keep the speed to the designated level.

FU-40SE-TA

13) High-voltage unit drive circuit

The high-voltage unit is the power supply unit that supplies the high voltage to generate ion from the cluster electrode, and it can be activated by inputting AC100V into it. When the solid state relay SSR1 is turned on, the voltage for commercial power supply drops in the resistors R125 and R126 and approximately AC100V is applied to the high-voltage unit. During operation, it outputs " L " / " H " from the pin 25 of the microcomputer LSI-1, turns on and off Q122 and Q123, and controls and drives SSR1.

14) Relay drive circuit

The anode of the diode D126 on the relay PWB is connected to one line of the cluster electrode, and one side of the relay RY1 contact is connected to the AC input of the high-voltage unit, both via the connector CN-J and harness. Depending on the mode of the cluster, the output signal from the pin 40 of the microcomputer LSI-1 turns on and off Q121 and Q124, which turns on and off RY1, and switches connection.

In clean mode : " H " is output from the pin 40 of the microcomputer LSI-1 and RY1 is turned off.

In cluster automatic operation ............. It enters the clean mode when the clean sign

............. indicates the air is contaminated (orange or red).

In refresh mode: It outputs " L " from the pin 40 of the microcomputer LSI-1, turns onRY1, and bypasses one side

of the cluster electrode and one side of the AC input of the high-voltage unit to direct the flow of electron in one way, thus generating minus ion in large volume compared to plus ion.

In cluster automatic operation ............. It enters the refresh mode when the clean sign

............. indicates the air is clean (green).

15) EEPROM circuit

During operation, data integrated with the operation time of the fan motor (dirtiness of the filter) is read and written into EEPROM (IC1) using the repetitive signals of " H " and " L " that are input and output from the pins 1 and 2 of the microcomputer LSI-1.

FU-40SE-TA

4. Special modes

Some of them are not used during servicing, and are described for reference only.

(1) Test mode

This is to test malfunctions of circuits and used to check them in mass production process. Setting procedure: Turn the power on while holding down the ON Operation selector/OFF TIMER button, and press the " OFF timer " button on the remote control within five seconds. A pip sound is heard and the unit starts the test mode.

Red

Fan

OUTPUT

QuickSIilent

Green Green Green Green Green

Orange

Green

Red

Yellow

Auto

SIilent

Median

High Max

Tobacco

Pollen

Red

Green Green Green

Red

Blue

Green

Buzzer

OFF timerClean sign

LED

CONTROL UNIT

OPERATION MODENo. OPERATION

Remarks

FIilter

1h 4h 8h

Power

Cluster

POINT TO BE CHECKED

: ON

: ON, : Flashing, : Pip sound,: ON or OFF,

Turn the power on while holding down

the " Operation " button on the main

unit. While holding it down, press the

" OFF timer " on the remote control

(within 5 seconds).

Confirmation of EEPROM

These 8 LEDs display data of EEPROM

on the control PWB (8 bits in hexadecimal).

Check the EEPROM check sum.

NG if LEDs except specified

light up.

Press the " Operation " button on

the main unit.

Press the " Manual " button on the

remote control.

Press the " Silent " button on the

remote control.

Press the " Tobacco " button on

the remote control.

Press the " Auto " button on the

remote control.

Press the " Max " button on the

remote control.

Insert a stick from the window of

the dust sensor.

Bring the gas (of alcohol, lighter,

etc.) close to the gas sensor.

Power OFF

Revolution speed inspection

These 8 LEDs display the revolution speed

(8 bits in hexadecimal).

Check the revolution speed of the

fan motor with the LED.

For max, cigarette smoke, and

pollen, , , ,

, and are acceptable.

The clean sign changes from

green to orange.

The clean sign changes from

orange to red.

Dust sensor inspection

Odor sensor inspection

Clean sign lamp(green) lights

when 10 seconds have passed

since the power supply was

turned on.

FU-40SE-TA

Measurement of power consumption

While in the test mode, the power consumption is measured. It is stopped and finished by pressing the Operation ON/OFF button.

Error table

No. Item Error display/status Cause Solution

1 No. 1 Clean sign is flashing. EEPROM communication Replace the circuit PWB. 2

No.1 - No.10

Silent lamp is flashing. Fan motor revolution speed Replace the fan motor.

Check the insertion of the fan motor connector.

(2) Demo mode

1) Outline ............................. The demo mode (display mode) is used for demonstration of displays in shops.

2) Setting procedure ................. While operating in the pollen mode, press the " Operation selector/OFF " button

............................. to stop the operation, and hold it down for three seconds or more.

............................. When the " Pollen " button on the remote control is pressed while holding it

............................. down, a pip sound is heard and the unit starts the demo mode.

3) Cancellation procedure .......... While holding down the " Operation selector/OFF " button for three seconds or

............................. more, press the " Pollen " button.

............................. A bleep sound is heard and the demo mode is canceled, and the unit is stopped

............................. in the normal mode.

4) Switch operation .................... Only the demo mode canceling operation is enabled.

5) LED indicator ......................... (a) Power lamp .... : Always lit.

............................. (b) Clean sign .... : Undetected mode is displayed (as described below).

............................. (c) Cluster lamp .... : The blue and green LEDs are lit alternately at one-

............................. .... second intervals (as described below).

............................. (d) Others .... : Lit and distinguished as shown in the table below at

............................. .... one-second intervals.

6) Load output ............................. (a) Odour sensor drive output :

equivalent intermittent output with the normal stop

............................. ....

(Refer to 17. " Odor sensor drive output ".)

............................. (b) Other outputs .... :

OFF

(3) Aging mode

1) Outline ............................. In this mode, several operation modes can be repeated automatically to perform

............................. life test of loads, materials, and driving equipment.

2) Setting procedure................... Turn the power on while holding down the " Operation selector/OFF" button on

............................. the main unit. While pressing it down, press the " Silent " button within five

............................. seconds. A bleep sound is heard and the unit starts the aging mode.

3) Cancellation procedure .......... It can be canceled only by cutting the power supply.

4) LED indicator ......................... (a) Power lamp : Always lit.

............................. (b) Timer lamp : " 1 hour " and " 8 hours " are always lit (mode display).

............................. (c) Others: Same as the normal mode.

5) Operation ............................. (a) Programmed operation in the following sequence.

Green

Orange

Red

Orange

Blue Green Blue Green

Green

Blue

Orange

Green

Red

Blue

Orang

Gree

Demo mode display No. Power Clean sign Cluster lamp

Operation mode lamp

Auto Silent Median High Max Tobacco Pollen

Note

[The contents of a display]

2345678

: ON : OFF

Max

ging mode

njection

after 10 min.

ion aout

Silent

ion clean

Under a sto

ion off

FU-40SE-TA

5. Abnormal checking mode

(1) Outline

In the abnormal checking mode, the unit detects abnormality or defects of the main unit or circuits with various sensors, and controls loads and displays abnormalities according to the problem. For this product, only " abnormal revolution speed of the fan motor " is classified to this mode.

(2) Abnormal revolution speed of the fan motor

1) Outline ... ............................... This mode is activated when the unit detects that the fan motor is locked or the

......................................... connector is opened.

2) Detection time ... .................... In all modes during operation

3) Detection conditions ... .......... When the unit detects [0 rpm] as the revolution speed of the fan motor for 15

............................. consecutive seconds.

4) Abnormality display ............... Only the " silent lamp " flashes in a one-second cycle.

............................. All other LEDs are turned off.

5) Loads control ... ..................... All loads are immediately turned off and the operation will stop.

6) Cancellation ... ....................... The abnormal mode can be cancelled by pressing the "Operation selector/OFF

............................. " button on the main unit or the " ON/OFF " button on the remote control.

............................. However, with the problem unsolved, the unit enters the same abnormal mode

............................. even if you turn on the unit again.

6) Switch operation ... ........................ (a) On the main unit: All disabled.

............................. (b) On the remote control: All disabled.

7) Abnormal mode detection ... .......... (a) Enabled. When the abnormal mode is activated, it can be canceled with the

............................. "Operation selector/OFF " button on the main unit.

............................. When it is canceled, the aging mode operation is restarted from the

............................. beginning.

(4) Monitor mode

1) Outline ... ............................. In the monitor mode, data is displayed by the LED to facilitate confirmation of the

............................. microcomputer operation.

2) Setting procedure ... ............... Turn the power on while holding down the " Operation selector/OFF " button on

............................. the main unit. While holding it down, press the " AUTO" button within five

............................. seconds. A bleep sound is output and the unit enters the monitor mode.

3) Cancellation procedure ........... It can be canceled only by cutting the power supply.

4) Display ... ............................. 8-bit data is displayed in binary with eight LEDs (Filter, AUTO, Silent, Median,

............................. High, Max, Tobacco, Pollen).

5) Display switching ..................... Each time you press the " OFF timer " button on the remote control, the

............................. display switches in the following order.

............................. A pip sounds as a confirmation of switching.

............................. A bleep sounds exceptionally when the display changes from No. F to 0.

LED Filter Auto Silent Med. High Max. Tobacco Pollen

Indicator bit 7

(MSB) (LSB)

65432 10

Display No.

1hr. 4hr.

OFF timer

8hr.

Power

Clean

sign

Usually, a display

Normal display

Description

Binary display (Filter, Auto, Silent,

Med., High, Max., Tabaco, Pollen)

Odour sensor detection value[Vm] Odour sensor reference value[Vx] Odour sensor contamination valu [NY] Saturation reference value [Vx1] Saturation contamination value [SY] Dust sensor detection value [H Vm] Dust sensor reference value [H Vx] Dust sensor contamination value [H Y] Fan motor airflow notch (0 ~ 4) Fan motor revolution speed setting value (1/10rpm) Fan motor revolution speed (1/10rpm) Filter time lower (time) Filter time upper (time) Dust sensor time lower (time) Dust sensor time upper (time)

Indication for identification

Odour sensor (Green, Orange, Red, Red + Blue)

Dust sensor (Green, Orange, Red, Red + Blue)

Usually, a display

(The degree of

comprehensive dirt)

Cluster

(Blue)

2 3 4 5 6 7beep 8 9 A

B C D E F

Remarks

: ON : OFF

FU-40SE-TA

Control circuit diagram

POWER PWB UNIT

SWITCH PWB UNIT

WHITE

BLUE

D122

400V / 100 u

WHITEWHITE

IN 324V

GND

IN 15V

OUT 15V

OUT 5V

5W 4.7

1W 2.2k

250V/0.047u IEC

250V/0.15u IEC

VRS1 470V

250V / 2.5A

R126

2W 16k

R125

TEMPERATURE

FUSE

AC 220 - 240V

50 / 60 Hz

SSR1

S26MD01

BLUE

RED

WHT

RELAY PWB UNIT

CONTROL PWB UNIT

NOTE:

1. Unspecified diode is VHD1SS270A/-2.

2. Unspecified capacittor is VCKYD21CY103N(16V, 0.01µF).

3. Parts in parentheses are not used.

DUST SENSOR

Power

lamp

Clean

sign

Tobacco

Pollen

Replace

filter

Auto

SilentMedian

High

Max

Clean

sign

Timer 1H

Timer 4H

Timer 8H

STROBE3

STROBE2

STROBE1

FU-40SE-TA

TROUBLESHOOTING GUIDE

Always use the specified parts as shown page 26, 27 when replacing them. Service of the PWB ass'y The electrical circuit is composed of the Display PWB, Switch PWB ass'y, Relay PWB ass'y and the Power supply PWB ass'y.

No.

Trouble

Not displayed.

(Power supply lamp)

Malfunction of the keys

(You cannot activate the

keys.)

The fan motor does not

rotate.

The silent lamp is flashing.

Noise is heard.

The unit cannot be

operated on the remote

control.

Dust collection

performance is bad.

The temperature fuse is blown.

Improper wiring.

It is unusually heavy when fan motor is turned by hand. (The motor is defective and current fuse broken.)

Disconnection of current fuse on a power PWB. (Those with the possibility with poor Motor.)

The fan feels extremely heavy when you rotate it manually.(The motor is broken and the PWB current fuse is blown.)

The PWB is defective. The power supply cord is broken. The PWB is defective.

The PWB is defective. Improper wiring.

The motor is defective.The motor is defective. The fan motor does not rotate. The motor harness is not inserted to the

motor properly. The motor harness is not inserted to the

PWB properly. The motor is defective.

The motor is not installed properly. The shape of the fan is not suitable. The fan is not installed properly.

The unit is used near the inverted lighting. The lighting equipment is old and blinking. The unit is used in direct sunlight. The remote control is defective. The PWB is defective. The batterys are not mounted on the

remote control. The batterys of the remote control is dead.

The replacement time of filter had passed. The pre-filter is clogged. There is an obstacle near the exhaust and

suction openings.

The unit is not assembled properly. The key remains pressed down.

Check the connector insertion, or repair or replace the connector.

Replace the motor and the PWB.

Check the motor. (Fan motor is turned by hand as mentioned above

and it is replace the motor and PWB of Motor when heavy).

Replace the motor and the PWB.

Replace it.

Repair or replace it. Repair. Replace it. The check of connector insertion,

repair, replace.

Replace the motor.

Replace it.

Check the insertion.

Replace it. Repair. Replace it. Repair or replace it.

The fan is not installed properly.

Repair or replace it.

A cluster has the sound of " tick ", " tick ", " tick ". This is sound that is emitted when the unit is generating cluster ions. And this is not a trouble.

If the sound is irritating, such as when sleeping, etc., set the cluster ion mode to OFF.

Change the installation position. Replace the lighting equipment. Change the installation position. Replace it. Replace it. Mount the batterys.

Replace it.

Replace the batterys.

Clean it. Change the installation position.

Replace the temperature fuse ass'y and the defective parts (motor).

Possible cause and symptom Solution

FU-40SE-TA

No.

Trouble

The clean sign is not displayed properly.

The unit is often reset. (The unit enters the standby mode.)

The exhaust wind smells.

Dust is accumulated inside the dust sensor. The suction opening is clogged.

The dust sensor is defective. Improper wiring The unit is used in the place with much

lampblack, such as kitchen. The PWB is defective.

The PWB is defective.

The active carbon filter is life-expired. Odour absorbed into the HEPA filter is

emitted.

Vacuum it off. Clean the openings of the dust and

the odour sensor. Replace it.

Repair or replace it. Clean or replace the sensor.

Replace the PWB. Replace the PWB.

Replace it.

The button on the remote control dented.

Filter reset button is dented so that it may not be pushed uncorrectly.

It is not failure.

Replace it.

Possible cause and symptom Solution

FU-40SE-TA

REPLACEMENT OF MAIN PARTS

Drive each screw into the original position when assembling the unit after servicing. Screws are respectively used according to their headÉÜs shape, thread diameter and length. Check that the lead wires are not pinched and the connectors are properly inserted. After assembling the unit, operate the unit with buttons on the remote control and the main unit and check whether there are no vibrations or noises.

[ Caution for handling the PWBs]

Be sure to connect each harness to the matching color indicated on the PWB. (Lock them until you hear the click.) When handling the PWB, be sure to put on the earth band to protect it from the static electricity. (Especially when handling the LSI (microcomputer), EEPROM and 2-color LED of blue and green, that are vulnerable to the static electricity.)

Never place the PWB on the mat such as polystyrene foam, mirror mat, etc., which may discharge static electricity. [ Preparation for disassembling ] Be sure to pull out the plug from the outlet. Remove the front panel, the pre-filter, the stamina power carbon and the HEPA filter from the main unit.

1. Removing the stand

(1) Remove the front panel.

Take out the pre-filter, the stamina power carbon and the HEPA filter, too.

(2) Place the main unit with the front side facing down

ward on the level and stable surface and remove the thumbscrews (2 pcs.) of the bottom surface.

Lay a soft cloth, etc. beneath the main unit so as not to damage it.

2. Removing the frost panel and the frost base

(1) Remove the screws (hexagon head screws (4

pcs.) and tapping screws (3 pcs.)) fixing the frost panel. Use the Allen wrench (3 mm) to remove the hexagon head screws.

(2) Remove the screws (9 pcs.) fixing the frost base.

crews (3 pcs.)

Screws (2 pcs.)

Screws (4 pcs

Screws (3 pcs

Screws (6 pcs.)

ront panel

FU-40SE-TA

3. Removing the display PWB, the dust sensor and the switch PWB

CAUTION: LED support can not be removed from display PWB (Because there is LED of Cluster ion lamp.)

(1)Remove the screws (2 pcs.) fixing th display PWB. (2) Pull out the connector F and remove the dust

sensor.

(3) Pull out the connector G and remove the screw.

Unscrew the switch PWB support to remove it.

Make harness processing in assembling as mentioned in the figure. Confirm whether the movement of the power supply button is smooth after assembling.

4. Removing the relay PWB

(1) Pull out the connectors H and J. (2) Push the head of spacer A and remove relay

PWB.

5. Removing the fan

(1) Loosen the nut and remove the fan washer, the

rubber washer, the fan washer, the fan, the fan

washer T2 and the washer. (2) The tie torque of the nut is 1.5 Nm. (3) Apply the screw lock (Three Bond 1401B) to the

shaft and tighten the nut. To reduce the fan face

runout, never touch the periphery of the fan when

tightening the nut.

Relay PWB

Connector J

Spacer A

Small

Medium

Large

Nut

Fan washer

Washer

Special washer

Fan washer T2

Fan

Rubber washer

onnector E

Connector F

Connector H Screw

Screw

Switch PWB harness The line processing at the time of an assembly should let the bottom of rib pass.

Connector G

Screw

Switch PWB guid

Switch PWB harness

Switch PWB

Display PWB

LED support

LED of Cluster ion lam

LED stick

Connector F Connector H

FU-40SE-TA

6. Removing the motor

(1) Loosen the screws (3 pcs.) fixing the motor angle

to remove it. (2) Pull out the lead wire cover. (3) Loosen the screw (1 pc.) fixing the electric equip

ment box cover to remove it. (4) Pull out the connector C of the power supply PWB

and take out the motor.

7. Removing the high-voltage unit ass’y

(1) Remove the screws (2 pcs.) fixing the cluster. (2) Pull out the connectors J and K to remove the

high-voltage unit ass’y from the casing.

[Cautions when replacing the high-voltage unit ass’y]

Never touch the discharging parts (ceramic panel) with bare hands. No dust or oil of your hands must be adhered to the high-voltage unit ass’y. (They may hamper the emission of the ion.) Always hold the case (resin) with clean gloves duringthe replacement. Should you touch the unit, wipe it off with alcohol. Never forget to unplug the unit before the operation. Confirm fully the connection of the high-voltage harness and the relay harness. Install the high-voltage harness and the relay harness so that they will not come to contact with each other.

8. Removing the motor thermal fuse

(1) Remove the motor from the casing and then the

thermal fuse ass’y from the groove of the casing. The following diagram shows the installation posi tion of the thermal fuse ass’y.

9. Removing the power supply PWB

(1) Pull out the connector on the power supply PWB

to remove the PWB.

Screw

Connector 2

luster fasten guide

Connector 1

AAB

Motor side

The attachment position of Fuse is carried out as follows.

A temperature fuse ass'y should be located in the center of rib-B

(The terminal of a temperature fuse ass'y should be located in an rib-A outdoors side.)

Temperature fuse ass'y

Terminal Terminal

Connector C

Connector D

Connector B

Connector A

Relay PWB harnnes

Screw

Screw Control box

(upper)

Lead wire cover

otor angle

Screw

Motor

emperature

use ass'y

It passes through the outside of the boss in the casing.

FU-40SE-TA

CARE AND MAINTENANCE

(To maintain the best performance of this product, please clean the unit periodically.)

When cleaning, be sure to remove the power plug from the wall outlet. In addition, never handle the power plug with wet hands. Electrical shock and/or bodily injury may occur as a result.

MAIN UNIT

For soiling on the main unit and the installed surface, clean as early as possible. Stubborn dirt may be hard to remove.

Dry wipe with a soft cloth

For stubborn dirt, wipe with a soft cloth damp-ened with water or warm water of 40˚C or less.

Do not use volatile fluids

Benzene, paint thinner, polishing powder, etc., may damage the unit surface.

Do not use detergents

Detergent ingredients may damage the unit surface.

Do not get wet

Never apply water on the unit.

ODOR SENSOR DUST SENSOR

The sensitivity of the sensors will be come unstable if the odor or dust sensor is dirty or blocked. Remove dust on the surfaces of the sensor openings using a vacuum cleaner.

FILTERS

Clean using the nozzle of a vacuum cleaner without removing the pre-filter.

NOTE

Never wash or clean the HEPA filter or stamina-power carbon by directly con-tacting the nozzle of a vacuum cleaner. This will greatly decrease the perform-ance of the filters.

REPLACING THE FILTERS

The filter replacement period is indicated by the filter timer lamp. (The lamp will light in about 5 years, when using the unit for 12 hours daily.)

The operation hours are kept in memory even when removing the power plug for transportation to another room, etc. The filter timer lamp is to be used only as a guide. If dust or odors are cannot be removed easily, replace the filters. Guide for replacing the filters HEPA filter About 5 years after opening Stamina-power carbon About 5 years after opening The replacement period is defined as when smoking 10 cigarettes per day and the dust collection/ deodorization power is reduced by half than that of new filters. The replacement period differs depending on the usage hours and location of installation. (According to Japan Electrical Manufacturers’ Association JEM1467) Depending on the usage environment, odor may be noticed from the exhaust port in several months.

Odor sensor Dust sensor

Sharp FU-40SE-TA Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual