SERVICE MANUAL
Contents
1. s detection level does not change the fan will step down following the completion of the operating period for each airflow speed and finally stop automatic During this process if the detection level rises the fan will operate at the airflow speed for that level If the sensor s d etection level does not change the fan will step down in about 4 minutes Even in automatic operation the dust sensor will not operate soon after the power plug is inserted but will be inactive for a period of 5 seconds After that even while the automatic lamp is flashing the odor sensor will not operate but if the dust sensor detects something the fan will operate at an airflow speed in accordance with the level of dust in the room When the fan is switched over to automatic operation it will operate for 5 minutes at low speed even if the air in the room is clean At this time the clean sign green will be lit Airflow Speed Sto l l Clean gt Contamination severe Clean gt Contamination severe Contamination severe Coman eem wow e intonsa ao ow we SBectoivied mist Sop tow tow Operation of the Odor Sensor ABC VW24 CHANGE FILTER ADD WATER ELECTROLYZING LOW MED HIGH FAN SPEED SANYO O O Oo C oO oO J ABC VW24 2 POWER MIST 1H 2 8 OFFTIMER Clean Indicator O C 0 0 0 C_ Automatic Green Odor Sensor V A y S myo o 2 I 22 A The Operation of the Odor Sens2. or when the tank is reset operation 1 will last 10 minutes the first time it is conducted Subsequently the operation stop process shown in the chart above will be repeated The first occasion of power mist operation will last 30 minutes Subsequently the operation stop process shown in the chart above will be repeated During the 30 minute operation on this first occasion the polar character during the energizing process is positive for 15 minutes and then switched to negative for 15 minutes Upeer Electrolyzed Water Lamp Green Add Water Lamp Red Sterilized and Electrolyzed Mist Outlet FXO LOW MED HIGH FAN SPEED SANYO O O 0O 6 ABC VW24 THr 2 8 OFFTIMER e POWER MIST O Front Electrolyzed Water Lamp Blue Electrolyzed Water Button lt General Indication of the Volume of Sterilized and Electrolyzed Mist Released Manual High About 7cc hr Continuously for about 31 hours Automatic Low About 0 5cc hr Continuously for about 440 hours about 18 days At times of automatic operation there will be differences in the volume of mist released because each of the sensors will operate according to the situation in the room and the sterilized and electrolyzed mist will be operated in accordance with what the sensors detect _ B Operation of the Sterilized and Electrolyzed Mist ABC VW24 lt Lamp Display and Status Chart gt Electrolyzing off Off Tank setting malfunction tank attac
3. remove louver R Photo 2 Louver setscrews Louver L air inlet left IM ae Li if Pe N r HTN HLS e be el A We Se f Dine oe S Ja AG SS Louver R air inlet right i x omi a i ABC VW24 3 Remove the 2 setscrews on the cord cover in the bottom section and remove the cord cover Photo 3 y Cord cover Cord cover setscrews 4 Remove the 6 case back setscrews and turn the main unit around Photo 4 Case back setscrews 5 Remove the case back setscrew at the handle and the 3 setscrews at air guide A Photo 5 6 Lift the bottom section of the case back and remove the inset in the top section Remove the Control circuit C switch connection through the gap and then remove the case back Photo 5 Case back X Case back setscrew Air guide A setscrews CLLLLLLLESSS I Case back Control circuit C switch connector fe Photo 5 Replacement Procedure 3 Replacing Control Circuit C Switch 1 Remove the upper case and switch cover 2 Remove the 3 Control circuit C switch setscrews and remove Control circuit C switch Photo 6 Control circuit C switch setscrews Switch cover Back cover j Photo 6 4 Replacing Control Circuit A Power 1 Remove the 2 unit case setscrews and remove the a case Photo 7 Transformer Unit case Transformer setscrews Unit case setscrews Power cord 2 Remove all of the conn
4. 1 10 that when the unit is operated at low and when the unit is operated at medium the period of use of the filter will be about 1 5 that when the unit is operated at low The filter usage period is written onto the IC inside the substrate and is reset by removing the cover and pressing the filter reset button When a new filter has replaced an old one please press the filter reset button to turn off the change filter lamp and clear the filter usage period The timing of the filter change will differ depending on the operational situation and the installation location but as a rough guide the filter should last 4 years For example if it is supposed that the filter absorbs 5 cigarettes worth of smoke each day it should last about 4 years Filter NO ABC FAH94A CHANGE FILTER ADD WATER ELECTROLYZING LOW MED HIGH FAN SPEED SANYO O O O O O C ABC VW24 Change Filter Red 2 POWER MIST TH 2 8 OFFTIMER O C O O O o R n PT low RESET se 2 HIGH FILTER Pet ETa nr IST i Problem Diagnosis Chart ABC VW24 Will An inclination sensor S101 is embedded in III not operate Control circuit B sensor so please conduct manually operational checks and voltage measurements while the equipment is positioned vertically Check Is the electricity cable plugged into the mains Is mains electricity from AC Local voltage 10 When the unit is switched on the automatic green and clean sign green are lit momentari
5. C ABC VW24 THr 2 8 OFF TIMER SS POWER MIST Front Electrolyzed Water Lamp C Front Power Mist Lamp Upeer Electrolyzed Water Lamp a Yo t WWW Ja o s WS Operation when Using the Power Mist In power mist operation the airflow volume switches automatically as shown in the chart below and after 30 minutes turns to automatic operation For operation following this refer to the section on automatic operation When the power mist Is in operation the power mist green lamp in the operating section on top of the unit and the power mist blue lamp on the front of the unit will be lit The airflow volume lamp will not be lit At this time the electrolyzed water lamp green in the operating section on top of the unit and the electrolyzed water lamp blue on the front of the unit should both be lit and when they are off there is an attachment error with the electrolyzing unit or the water tank The sterilized and electrolyzed mist is operated in power mode It cannot be selected when electrolyzing is off The sterilized and electrolyzed mist is generated in a repeated 1 second on 1 second off intermittent operation Any timer period setting will be deleted when power mist operation is turned on and it is also not possible to set a timer period during power mist operation Even during power mist operation the odor sensor and dust sensor operate individually and the clean sign is displ
6. Photo 11 2 Remove the 2 insulator P setscrews and remove insulator P Photo 12 3 Remove the 2 Control circuit B setscrews and remove Control circuit B Sensor Photo 12 4 Remove all of the Control circuit B sensor connectors Photo 12 A SS Control circuit B setscrews Dust sensor setscrew Warr amp _ Insulator A l s Insulator Ps seiScrews AAR A p n gt P AnA j Photo 12 9 Replacing the Dust Sensor 1 Remove the dust sensor setscrew and remove the dust sensor Photo 12 Jul 2007 Printed in Japan 16 ABC VW24 10 Replacing the Fan Motor 1 Remove the fan retaining nut and remove washers A and B and the fan lock piece Photo 13 2 Pull the fan off the motor shaft Photo 13 Washers A and B Fan lock piece 3 Remove the cord cover and take out the motor cord Photo 14 4 Pull washer C off the motor shaft 5 Remove the 3 motor retainer setscrews and remove the fan motor Photo 14 Cord cover Motor retainer setscrews Motor retainer x ae amp amp ne w m _ ae E Fan motor SANYO SANYO Electric Co Ltd Osaka Japan
7. SANYO FILE No SERVICE MANUAL Air Purifier ABC VW24 Specifications Power source Power consumption Fan speed Air displacement Noise Recommend able space Filter Dimensions WxDxH Net weight HIGH MIDDLE LOW AC Local voltage 50 60Hz 50 W 16 W 8 W 1 280 r p m 800 r p m 400 r p m 5 1 m min 2 8 m min 1 2 m min 52 dB 37 dB 18 dB 40 m Hepa filter amp Deodorization filter 340 x 180 x 600 mm 7 1kg gie REFERENCE NO SM6510554 00 Wiring Diagram ABC VW24 Control circuit C Switch Cc CN601 m om eeu lin Switch Control circuit B Tank Sensor lt Sensor Inclination CN101 Electrolyzed terminal CN403 Control circuit Control Ultrasonic unit drive o circuit E Ultrasonic unit 24V Power CN405 4 Control circuit A Power CN406 Electrolyzed water unit Operation of the Fan Motor ABC VW24 CHANGE FILTER ADD WATER ELECTROLYZING fAN mte LOW MED HIGH FAN SPEED SANYO Oo OO 0 0 C_ ABC VW24 POWER MIST 1H 2 8 OFFTIMER Clean Indicator 7 The fan motor operates at 5 levels of airflow revolution speed as shown in the chart below In manual operation use the fan speed button to run the fan at the desired speed low medium or high The airflow display lamps will light up in accordance with the fan speed selected In automatic operation the fan operates at low low medium medium or high me
8. ayed depending on the operation of each sensor High High Med P Med Auto matic 5 minutes 10 minutes 15 minutes Airflow Speed High Med Med Sterilized and Power 1 second on 1second off Intermittent operation of ultrasonic transducer 10 Manual Operation amp Filter Changes ABC VW24 Manual Operation The unit can be operated at the airflow speed desired low medium or high by using the operation mode button Sterilized and electrolyzed mist operation when the electrolyzing is on will operate in accordance with the airflow speed setting When the speed is set to low or medium the sterilized and electrolyzed mist will operate at low When the speed is set to high the sterilized and electrolyzed mist will operate at power During manual operation the set airflow display LED will be lit and the unit will operate at that airflow speed but the odor sensor and dust sensor will operate clean sign will be displayed in accordance with the operation individually and the of each sensor During low speed operation the clean sign red may be lit up The Operation of the Change Filter Lamp The Change Filter lamp is lit or flashes depending upon the cumulative total of the filter usage period which is calculated by multiplying the time the motor is operated by coefficients depending on the amount of airflow run through When the unit is operated at high the period of use of the filter will be about
9. dium in accordance with the situation in the room cleanliness of the air depending on the operation of the odor sensor and dust sensor When the fan is running automatically it will not run at high speed lt Note gt When the fan is running automatically the airflow display lamps will not light up In older models when the fan is running automatically the airflow display lamps light up but with this model only the automatic green light lights up and the airflow display lamps do not It is not possible to tell at what airflow speed the fan is operating Airflow Speed Stop l S Clean p Contamination severe Automatic tEbet lyzed Mist lt Motor Protection Function gt If the fan is operated at high speed in manual operation with the front cover pre filter and filter removed the revolution speed is dropped slightly for about 1minute and 10 seconds to protect the motor If the motor is operated while the filter etc is removed a large burden is placed on the motor only at times of high speed operation so the motor protection function starts to work ee Automatic Operation ABC VW24 CHANGE FILTER ADD WATER ELECTROLYZNG MNOO LOW MED HIGH FAN SPEED SANYO O O O QO j ABC VW24 2 POWER MIST 1H 2 8 OFFTIMER Clean Indicator Even in automatic operation the odor sensor will not operate soon after the power plug is inserted but will be inactive for a period of 3 minutes During this time the auto
10. e Sterilized and Electrolyzed Mist Yes Is at least AC 25V output intermittently to CN405 on Control circuit A power Is the electrolyzing lamp green on the top operation panel lit Control circuit ultrasonic unit drive inspection replacement Control circuit C switch inspection replacement an Control circuit C switch CN60 Control circuit A power connection check inspection replacement ieaheoda i ae tiashina Replace water s the add water lamp red flashing Electrolyzing unit inspection replacement When the tank has been set in place continuously for 21 days the concentration of electrolyzed water becomes very high thick so please change the water Fill the tank with water it Is the add water lamp red lit Electrolyzing unit inspection replacement Are the electrolyzing unit and tank Attach the electrolyzing unit and water definitely attached tank properly Is the micro switch OK Are the CN106 Micro switch replacement connections on Control circuit B Sensor definite Connector connections Power source transformer output Is there at least AC 25V between CN404 red red on Control circuit A power Transformer inspection replacement Connector connections Control circuit A power inspection replacement 14 Problem Diagnosis Chart ABC VW24 Smoke rubbish etc Abnormal noise cannot be removed large vibration l No Are the prefilter and filter No I
11. ectors connected to Control circuit A power Photo 8 3 Remove the 3 Control circuit A power setscrews and remove Control circuit A power Photo 8 z eee pS Hy Control circuit A Vases setscrews ei 5 an We j J JEN per ae om ts fe x Control circuit A power ABC VW24 5 Replacing the Transformer and Power Cord 1 Remove the holder power cord setscrew and remove the Power cord Photo 7 2 Remove the 2 transformer setscrews and remove the transformer Photo 7 6 Replacing the Micro Switch 1 Remove the switch holder setscrew Photo 9 2 Remove the soldering of the lead wire of the micro switch terminal and remove the micro switch Switch holder setscrew Photo 9 Micro switch 7 Replacing the Control Circuit Ultrasonic Unit Drive 1 Remove the inset of the air guide A nail and remove the shield case from air guide A Photo 10 2 Remove the 2 Control circuit ultrasonic unit drive setscrews Photo 10 3 Remove the soldering of the lead wire of the Control circuit ultrasonic unit drive terminal and remove the Control circuit ultrasonic unit drive Control circuit ultrasonic unit drive setscrews 17 Photo 10 Shield case Replacement Procedure 8 Replacing Control Circuit B Sensor 1 Remove the 2 air guide A setscrews and remove air guide A Photo 11 a F PS Substrate B sensor yj
12. hed detection switch off Electrolyzing on lt Normal gt When electrolyzing is switched off the electrode is energized for a 4 minute period once every 8 hours or so for the purpose of purifying the water in the tank Electrolyzing This is not a malfunction When the equipment is used as normal with electrolyzing Flashing on the processing of the water in the tank makes it sterile but when electrolyzing is switched off the water purification process energizing of the electrode is run about once every 8 hours in order to avoid neglecting the water in the tank for long periods of time off lt Normal There is no water left in the tank so please fill the tank with water Operational error in the electrolyzing unit open Add Water The tank setting status has continued unchanged for 21 days Please change the water Operational error in the electrolyzing unit short circuit When the same water is used for a long period of time Flashing concentration becomes very high so please change the water in the tank 21 days after the tank has been filled and attached to the main unit When the unit is used normally the water will run out before 21 days and the light will be lit When the lamp has been lit or is flashing please wait 15 seconds before resetting the tank Operation of the Power Mist ABC VW24 Upeer Power Mist Lamp CHANGE FILTER ADD WATER ELECTROLYZING Poo LOW MED HIGH FAN SPEED SANYO O O O O O O O
13. ion Refer to the fan motor operation list Automatic Operation in Clean Conditions Regular air stirring lf the air in the room is clean and the fan is in stop automatic status continuously the fan will operate at low speed for a single period of about 5 minutes every hour in order to stir the air in the room regularly and generate a sterilized and electrolyzed mist During this time when the sensors detect that the air in the room is contaminated or that there is dust or when the operation switch is pressed the fan will start to run in accordance with the situation Operation of the Dust Sensor ABC VW24 CHANGE FILTER ADD WATER ELECTROLYZING fAUMKe LOW MED HIGH FAN SPEED SANYO O O O So o oa C ABC VW24 w POWER MIST 1H 2 8 OFFTIMER C oo C2 The Operation of the Dust Sensor When the dust sensor detects dust or tobacco smoke in the room the fan will operate automatically at low or medium speed When there is a lot of dust etc the fan will operate at medium speed and when there is only a little dust etc the fan will operate at low speed When the air is clean operation will stop automatic The airflow lamp will not be lit When the dust sensor detects something the operation of the clean sign and sterilized and electrolyzed mist when the electrolyzed water lamp is lit will also change in accordance with operational airflow in accordance with the volume of particles of dust etc in the air If the sensor
14. ly but the unit does not operate Control circnit B sensor inclination sensor inspection After about 9 seconds of manual operation Motor cord connection inspection does the unit switch off Motor replacement Is there AC100V between the CN301 on Control Power cord inspection circuit A power replacement Is there voltage of about DC 5V between 8 Control circuit A power 9 of CN302 on Control circuit A power inspection replacement Is there a display Control circuit C switch CN601 Is the airflow speed display lamp lit connection check Is there voltage of about DC 5V between 8 Control circnit B sensor 9 of CN302 on Control circuit A power inspection replacement Yes Is there voltage of about DC 15V between white black of motor connector CN303 Control circuit C switch CN601 connection check Yes Motor replacement Motor cord connection inspection 19 Problem Diagnosis Chart ABC VW24 Sensors do not detect during automatic operation Will operate manually No Yes l l l Dust sensor Which sensor is not detecting Odor sensor Will not operate manually Clean Indicator Reconnect power and switch on automatic operation Check Is there anything in the room generating gas If there is make it not generate gas E g Paraffin stove paint or cosmetics Ventilate the room Shield the dust sensor so that no sunlight o
15. matic lamp will flash on and off and the fan will operate at low speed Ifthe automatic lamp changes to being lit up continuously after 3 minutes the odor sensor will start operation and the fan will run automatically The dust sensor will begin operation 5 seconds after the power plug is inserted Even while the automatic lamp is flashing if the dust sensor detects something the fan will operate at medium speed When the fan has been switched over to automatic operation or when the operation button is pressed on more than 3 minutes after inserting the power plug the fan motor will operate at low speed for 5 minutes in order to stir the air even if the air in the room is clean If the sensors detect something during this period the fan will operate accordingly Water electrolyzing and the clean sign will operate at low and green respectively for 5 minutes and then stop automatic Airflow During Automatic Operation The equipment includes 2 sensors a dust sensor and an odor sensor Each of these sensors operates individually and outputs commands concerning the force of operational airflow individually Refer to the sections on the operation of the individual sensors for details The fan will operate at whichever airflow speed is highest in the commands given by the 2 sensors Even when the clean sign and the sterilized and electrolyzed mist are on the electrolyzing light is lit the fan will change speed according to the operational situat
16. on of the air When the fan is switched over to automatic operation it will operate for 5 minutes at low speed even if the air in the room is clean At this time the clean sign green will be lit Airflow Speed Sto Air Cleanliness Clean 4 Contamination severe Clean 4 Contamination severe Contamination severe Sterilized and Operation of the Sterilized and Electrolyzed Mist ABC VW24 The Generation of the Sterilized and Electrolyzed Mist The electrode on the electrolyzing unit is energized to generate electrolyzed water through electrolysis of the tap water in the tank The electrolyzed water is turned into a nano sized ultra fine mist using an ultrasonic transducer This sterilized and electrolyzed mist is then released from the mist outlet into the air which is stirred around the room by a clean discharge of air The Operation of the Sterilized and Electrolyzed Mist The operation of the sterilized and electrolyzed mist is controlled by removing the front cover and switching the electrolyzed water button on or off which enables the choice of whether or not to run the water electrolyzing operation generation of a sterilized and electrolyzed mist While the power mist is operating the electrolyzed water button is usually on and cannot be turned off Under either automatic or manual operation the sterilized and electrolyzed mist operates in accordance with the airflow speed of the fan motor as shown in the chart below The ul
17. or When the odor sensor detects contamination of the air the fan will operate automatically at low low medium medium or high medium speed When contamination is severe the fan will operate at high medium speed and when contamination is slight the fan will operate at low speed When the air is clean operation will stop automatic The airflow lamp will not be lit When the odor sensor detects something the operation of the clean sign and sterilized and electrolyzed mist when the electrolyzed water lamp is lit will also change in accordance with operational airflow in accordance with the level of contamination of the air If the sensor s detection level does not change the fan will step down following the completion of the operating period for each airflow speed and finally stop automatic During this process if the detection level rises the fan will operate at the airflow speed for that level If the sensor s detection level does not change the fan will step down in about 2 minutes Even in automatic operation the odor sensor will not operate soon after the power plug is inserted but will be inactive for a period of 3 minutes During this time the automatic lamp will flash on and off and the fan will operate at low speed When the automatic lamp changes to being lit up continuously after 3 minutes the odor sensor will start operation and the fan will operate at an airflow level in accordance with the level of contaminati
18. r fluorescent light shines directly upon it Odor Sensor Insert a needle into the Because the dust sensor detects triangular part of the dust reflected light insert a pin or office clip that reflects light in the triangular part of the sensor Yes Is the sensor working No Set sensitivity to high and switch on For automatic operation automatic operation refer to The Operation of the Odor Sensor Reconnect power Wait until the automatic lamp switches from flashing to lit about 3 minutes sensor and move it lightly Is there about DC 5V between No 1 4 of the dust sensor connector CN1 Control circuit B sensor Release gas Yes inspection replacement Use a gas lighter Was there any change in the Is the sensor working Yes voltage between 1 4 of CN1 when the pin was inserted in the triangular part of the dust sensor and lightly moved Surveillance sensor inspection replacement Yes For automatic operation Control circuit B Sensor refer to The Operation inspection replacement of the Odor Sensor 13 Problem Diagnosis Chart ABC VW24 No electrolyzed mist electrolyzed water is generated Yes Is a mist generated intermittently Yes from the sterilized and Is the electrolyzed water lamp blue on the front panel lit electrolyzed mist outlet For the operation of the electrolyzed mist refer to The Operation of th
19. s the shape of the fan distorted attached properly Yes l No Yes Attach the prefilter Turn the fan by hand AMELE Are the prefilter and filter No not dirty Does the fan hit anything Yes Prefilter cleaning and filter replacement Yes Operate manually Does the motor turn Yes Motor replacement No problem Control circuit A power replacement or Control circuit B Replacement filter sensor replacement ABC FAH94A Remove the fan and turn the shaft Does the shaft turn smoothly Yes Will not operate manually Sensitivity adjustment does not work Sensor sensitivity adjustment A TE Are the knob and odor sensor SSEm on chad i lever assembled correctly ever and knob correctly Yes Control circuit B sensor inspection replacement 15 Replacement Procedure 1 How to Remove the Electrolyzing Unit and Filter 1 Remove the lid and remove the electrolyzing unit If any water is spilt wipe it up 2 While pushing in the connection buttons on the left and right of the main unit remove the front cover by pulling it towards you Fig 1 3 Remove the prefilter and filter Fig 1 Fig 1 Tank assembled Electrolyzing unit Connection buttons Front cover 2 How to Remove the Case Back 1 Remove the louver L setscrew in the tank section and the 2 setscrews in the front section and remove louver L Photo 2 2 Remove the 2 louver R setscrews and
20. trasonic transducer is run at high medium or low medium speed and when it is operating the electrolyzed water lamp green and the electrolyzed water lamp blue will be lit When the power mist Is operating the ultrasonic transducer is operated in power mode Refer to the chart below When the electrolyzing unit and the tank are detached the tank attached detection switch will be off the sterilized and electrolyzed mist will not operate The electrolyzed water lamp green and the electrolyzed water lamp blue will be turned off Airflow Speed Operating Status ae tov rove wee wor da didi Manual Operation Sterilized and Electrolyzed Mist MANE Med ae Sterilized and Electrolyzed Mist Power Power Low 0 5 seconds on 5 seconds off Intermittent operation of ultrasonic transducer Storng 1 second on 2 seconds off Intermittent operation of ultrasonic transducer Power 1 second on 1 second off Intermittent operation of ultrasonic transducer Operation of the Sterilized and Electrolyzed Mist ABC VW24 The Operation of Electrode Power Generation The operation to energize the electrode to create electrolyzed water repeats operation and stopping as shown in the chart below Operation of Electrolysis Operation 1 Stop Operation 2 rng agers Wn In operation 1 and operation 2 the polar character of the electrode is reversed When the power plug is inserted and the switch first turned on
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