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Daikin MC70L3VM L-Series, Service Manual

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Daikin MC70L3VM L-Series Service Manual Download Page 55

Removal Procedure

SiBE811120

54

Photocatalytic Air Purifier L-Series

4

Disconnect the 2 GND 
connectors (green).

5

Remove the 2 screws.

6

Lift up the upper part of 
the power supply PCB 
and unfasten the hook. 
Then remove the power 
supply PCB.

[S2]: fan motor
[S8]: power supply
[S11]: joint connector for high 

voltage PCB

[S127]: control/display PCB

Step

Procedure

Points

Press the hook.

(R14730)

Hook

(1)

(2)

(1): ground for plasma ionizer
(2): ground for streamer unit

(R12377)

Hook

(R12378)

[S8]

[S2]

[S127]

[S11]

(R12379)

Fuse (250 V, 3.15 A)

Summary of Contents for MC70L3VM L-Series

Page 1: ...Service Manual Photocatalytic Air Purifier L Series SiBE811120 ...

Page 2: ...4 4 8 Cleaning of UNIT1 and UNIT2 26 4 9 Replacement of the Pleated Filter 28 4 10 Sensitivity Setting of the Air Quality Sensor Dust Sensor 29 5 Childproof Lock Function Special Mode 30 6 Optional Accessories 31 6 1 Pleated Filter Titanium Apatite Photocatalytic Filter KAC017A4E 31 7 Troubleshooting 32 7 1 Frequently Asked Question 32 7 2 Check before Requesting Servicing 33 7 3 Diagnosis 35 8 Wi...

Page 3: ...se 1 1 Required Conditions Power Supply 1 φ 220 240 V 50 Hz 1 φ 220 230 V 60 Hz Precautions z This product is for home use Never use for other purposes z This product is for indoor use only Do not use in bathroom or outdoor as it is not water condensation proof z Do not modify this product ...

Page 4: ...otocatalytic filter Performance 2 years 1 sheet Quantity 1 4 sheets Deodorizing catalyst Lifestyle Convenience Automatic airflow rate Anti pollen operation Turbo operation Sleep mode operation Odor sensor lamp Dust sensor lamp LED brightness adjustment OFF timer hours 1 2 4 Childproof lock Cabtyre cable Remote controller storage Quick wipe panel Filter replacement indicator Plasma ionizer cleaning...

Page 5: ...t drive Dust collecting method Plasma ionizer Electrostatic dust collection filter Deodorizing method Flash streamer Titanium apatite photocatalytic filter Deodorizing catalyst Air filter Polypropylene net Bacteria filtering method Flash streamer Titanium apatite photocatalytic filter Sign Sensor lamp Dust sensor 3 stages Odor sensor 3 stages Airflow rate Auto LL L M H Operation mode Turbo HH Anti...

Page 6: ...ors 2 Length outside machine 2000 50 Required installation space If installed on the table or the floor Dimension of remote controller Air outlet grille 100 or more Operation switch stop button Filter reset button 500 or more 500 or more 1000 or more Dust sensor Receiver Odor sensor Air inlet grille Direction of a blow 1000 or more Signal Transmitter ARC458A7 Remote controller storage slot Handles...

Page 7: ...9P H21P X1P Z1C Z2C H12P H13P H26P H14P H15P H16P H17P H10 S1S A1P A2P A3P A4P F1U LED H GREEN LED TURBO ORANGE LED ANTI POLLEN GREEN LED SLEEP GREEN LED DUST SIGN GREEN LED DUST SIGN YELLOW LED DUST SIGN RED BUZZER 1 RECEIVING SIGN SAFETY SWITCH PRINTED CIRCUIT BOARD FOR POWER SUPPLY PRINTED CIRCUIT BOARD FOR HIGH VOLTAGE POWER SUPPLY UNIT PRINTED CIRCUIT BOARD FOR DISPLAY CONTROL DUST SENSOR FUS...

Page 8: ...11120 Specifications Photocatalytic Air Purifier L Series 7 3 4 Packaging Drawing MC70LPVM Pleated filter Main unit Product cover A Arrow view A Power code Wireless remote controller C 2P286955 Accessory kit ...

Page 9: ...dsorbs odour Deodorising and decomposing odour in the air The streamer discharge decomposes absorbed odour The decomposition cycle that maintains deodorising capability Adsorption Features About air purifying The powerful suction of a high airflow rate captures dust pollen etc The purifying capacity improves as the airflow rate increases The air permeates the room at a high airflow rate Odour Dust...

Page 10: ...wiftly The high speed electrons are generated and absorbed within the unit to ensure your safety The hissing sound of the streamer discharge may be heard during operation It does not indicate any operational issue In addition the sound may become lower or the sound quality may change according to the operating environment These cases are also not operational issues You may smell an odour as a part...

Page 11: ...ply cord and plug Main unit Insert the power plug into the electrical socket all the way to the base Incomplete connections may lead to electric shock or fire because of overheating Periodically clean the dust and other matter from the power plug with a dry cloth Insulation failure caused by humidity or other factors may lead to fire Stop operation and disconnect the power plug if you detect anyth...

Page 12: ...ck or damage Hold the power plug not the power supply cord and pull to disconnect the unit Pulling on the power supply cord may lead to fire or electric shock because of short circuits Before long periods of disuse disconnect the power plug from the electrical socket Degraded insulation may lead to electric shock current leaks or fire Do not use the unit anywhere it is exposed to direct sunlight r...

Page 13: ... remove the filter with the unit lying on its side Handling of this sort facilitates dust infiltration possibly leading to fire or electric shock Do not use the unit close to lighting equipment within 1m The response of the main unit to the signal from the remote controller may be weakened and the colour of the unit may change Regularly ventilate the room when using the unit in conjunction with co...

Page 14: ...ontroller Model name Serial number Power supply cord hook Power plug Power supply cord Inside of the unit Filter container UNIT2 Streamer unit Opposing pole plates Ionising frame Front panel Prefilter UNIT1 Pleated filter Deodorising catalyst unit CAUTION gray front white rear blue Plasma ioniser green Ionised wire rear Safety guard Ventilation fan Page 15 Page 19 Page 21 Page 16 Page 20 Page 9 Pa...

Page 15: ...ow manual operation The three colour indicators green yellow red indicate how unclean the air is When the air is clean the green lamp lights up In the following case only the green lamp lights up for the initial 7 seconds regardless of the uncleanness level 1 Operation directly after attaching the front panel and UNIT1 2 Operation directly after reconnecting the power plug When the sensitivity of ...

Page 16: ...is recorded as the standard level 1 Operation directly after attaching the front panel and UNIT1 2 Operation directly after reconnecting the power plug If the odour level remains constant without intensifying or weakening the odour sensor may not detect even strong odours The odour sensor may not detect certain types of odours such as pet odours other than ammonia garlic etc Even if only the green...

Page 17: ...rs 4 sheets Replacement filters In filter container How to attach the pleated filter Make sure to attach the pleated filter before starting operation 1 Remove the front panel Push the 2 clips right and left and pull the front panel upward and remove it Front panel Clip 1 each on right and left Push 2 Remove UNIT1 Holding UNIT1 by the handles pull UNIT1 upward and remove it 1 Pull Handles UNIT1 2 U...

Page 18: ... deodorising catalyst unit Holding the deodorising catalyst unit by the handles fit the projections into the grooves 4 locations at the bottom of the main unit and press the deodorising catalyst unit into the main unit Handles 1 Fit here Deodorising catalyst unit 2 Press the deodorising catalyst unit until you hear clicking sound 6 Attach UNIT1 Holding UNIT1 by the handles fit the projections into...

Page 19: ...adio clocks away from this unit also Airflow Do not use the unit in the following places Do not use the unit in a location exposed to direct sunlight The response of the main unit to the signal from the remote controller may be weakened and the colour may change Do not use the unit in locations of high temperature Heat may discolour and deform the unit CAUTION The wall where the air purifier is se...

Page 20: ...ts expiration date before the recommended date In order to prevent malfunctions or injuries due to leaking or explosions make sure to remove the coin type battery when the unit will not be used for a long period of time The coin type battery which comes with the remote controller is for the initial operation The coin type battery may run down in less than 1 year Be careful not to drop or get the r...

Page 21: ...the power plug The auto fan lamp and one of the airflow rate lamps Quiet Low Standard or High light up Cancel Make sure that the front panel is closed To start the operation Press When you press during operation operation stops Example of the initial display To prevent mishandling by small children Childproof lock Press for about 2 seconds to engage the childproof lock To operate the unit accordin...

Page 22: ...om the remote controller can not be received during operation due to electric lighting or radio interference disconnect the power plug once After 3 seconds or more reconnect the power plug and start operation The default setting for the airflow rate is Auto fan airflow When you disconnect the power plug or remove the front panel the setting for the airflow rate returns to Auto fan Before cleaning ...

Page 23: ...etergent and dry it well in the shade Dry the prefilter completely before using it because the UNIT1 lamp may light up if any water drops remain on the prefilter When detergent is used wipe the detergent off the surface to prevent any residue Do not dry the prefilter in a place exposed to direct sunlight Do not use hot water with a temperature of 50 C or higher for cleaning the parts Do not dry th...

Page 24: ...e dust For the main unit wipe off the dirt with a cloth slightly moistened with water Use a vacuum cleaner to remove the dust If the deodorising catalyst unit frame becomes dirty wipe off the dirt with a cloth slightly moistened with water In the case of heavy dirt wipe it off with a cloth moistened with neutral detergent Do not wash with water If the unit is washed with water it will be deformed ...

Page 25: ... the prefilter Then unhook the tabs 4 locations of the prefilter from the holes 2 each on the right and left of UNIT1 Holding UNIT1 by the handles pull UNIT1 upward and remove it Holding the deodorising catalyst unit by the handles pull the deodorising catalyst unit upward and remove it Holding the deodorising catalyst unit by the handles pull the deodorising catalyst unit upward and remove it 1 F...

Page 26: ...NIT1 Pinching the sets of knobs on the right and left at the same time makes it easier to remove the opposing pole plate Ionising frame green Page 17 Attach UNIT1 and the front panel Arrow Wear rubber gloves The opposing pole plates have no difference between the upper and the lower or between the right and the left Attach them so that the arrow is visible Attach the opposing pole plates Attach 1 ...

Page 27: ...o remove the dust Remove dirt with a piece of cloth soft brush etc Wear rubber gloves Dry in a well ventilated shaded place About 1 day Remove dirt from plastic parts with a soft piece of cloth Use a cotton swab etc to wipe away dirt in recesses and places where fingers do not fit Do not leave any lint from cleaning cloths behind Lint may lead to malfunctions Remove dirt from recesses with a cotto...

Page 28: ...nt Do not use powdered alkaline or acidic cleaner and do not rub with hard brushes etc It may lead to deformation and damage If the needles inside UNIT2 are deformed deodorising capacity diminishes If detergent remains on UNIT1 or UNIT2 the UNIT1 and UNIT2 lamps do not go off after cleaning therefore rinse off the detergent well Do not leave any lint from cleaning cloths behind Lint may lead to ma...

Page 29: ...you press the filter reset button for 5 seconds Order the pleated filter for replacement from your dealer Replace the pleated filter when the filter lamp lights up or blinks even if the filter looks clean The amount of visible dirt does not represent the capacity of the filter The replacement interval for the pleated filter varies according to how the unit is used and where it is located The filte...

Page 30: ...andard or High blinks for 5 seconds and then the lamp corresponding to the set sensitivity lights up Each time the button is pressed an airflow rate lamp lights up and the sensitivity change as below The sensitivity setting is indicated by the airflow rate lamps If the airflow rate lamps do not change disconnect the power plug wait at least 3 seconds reconnect the power plug and try the operation ...

Page 31: ...nction on Disconnect the power plug to stop operation Insert the power plug Start operation Normal operation Operation starts in special mode The childproof lock function resumes Special mode The childproof lock function is cancelled To set the function effective press the childproof lock button on the remote controller for 2 seconds again 2 Pressing the ON OFF Mode change button on the main unit ...

Page 32: ...Titanium Apatite Photocatalytic Filter KAC017A4E Notes 1 Replacement guideline Every 2 years for about 10 years in total 2 Appearance color White front blue back 11 1 4 67 26 1 pleat 67 Item Material No of packages Model Specifications KAC017A4E Non woven fabric electrostatic 5 Extend pleats in using 26 pleats 305 ...

Page 33: ...ion to the smoke of cigarettes or other items may be bad Change the installation site of the unit or adjust the sensitivity of the air quality sensor Front panel Ionised wire Deodorising catalyst unit If these lamps light or blink The air quality sensor lamp remains red or yellow The airflow rate lamps blink simultaneously The filter lamp lights up or blinks Disconnect the power plug and remove th...

Page 34: ...lightly wet the surface of the unit using an atomiser and then dry it in a shaded and well ventilated place Is a large amount of odour generated when starting operation of the unit The odour level of the initial 1 minute is used as the standard for the sensitivity of the odour sensor Operate the unit with an increased airflow Modify the standard sensitivity of the odour sensor using the following ...

Page 35: ...f the pleated filter is replaced unless you press the filter reset button for 5 seconds the filter lamp does not go off Are UNIT1 and UNIT2 set correctly Insert UNIT1 until it clicks Insert UNIT2 completely to the end Are water drops detergent or bits of fibre left in UNIT1 and UNIT2 after cleaning After cleaning wash UNIT1 and UNIT2 well so as not to leave detergent or bits of fibre and completel...

Page 36: ... red Wrong sensing The red lamp stays on while the odor sensor or dust sensor is sensing moisture or dust in the air This is not a failure The control display PCB is defective The dust sensor is defective Odor sensor lamp Check point 1 When the humidity is higher than 80 RH the odor sensor detects moisture in the air This is not a failure Locate the unit in another place Reset the power supply 2 W...

Page 37: ...ction is correct all the lamps light up after about 5 seconds If there is any wrong connection correct it z When the UNIT1 lamp lights up the wiring to the plasma ionizer is incorrect z When the UNIT2 lamp lights up the wiring to the streamer unit is incorrect z When the UNIT1 and UNIT2 lamps light up at the same time the wirings to the plasma ionizer and the streamer unit are incorrect 4 Insert t...

Page 38: ...ff all power supplies before disassembling work Step Procedure Points 1 Appearance 2 Remove the front panel 1 Pressing the projections right and left hold the lower section of the front panel and pull it Air outlet Air inlet R13839 Air inlet Air inlet R14654 ON OFF Mode change button Filter reset button Receiver Air intake for dust sensor Air intake for odor sensor R12329 Projection Front panel ...

Page 39: ...When reassembling insert the 2 upper hooks of the front panel into the grooves on the air purifier and close the front panel The projection at the rear side of the front panel activates safety switch Be careful not to deform the projection 3 Maintenance Chart is on the unit Step Procedure Points R13843 R12331 R12332 Safety switch Projection R12333 ...

Page 40: ...r unit To prevent the air purifier from falling down support the air purifier while removing the plasma ionizer unit 1 Hold the handles of the plasma ionizer unit Pull the plasma ionizer unit to unfasten the hooks and lift it up to remove Step Procedure Points R12334 Hook Hook Pre filter Recessed part with FRONT mark R12335 When reassembling fit the 4 hooks of the pre filter into the 4 holes of th...

Page 41: ... lower hooks first 5 Replace the pleated filter The pleated filter can be removed even if the deodorizing catalyst unit is installed in the air purifier 1 Hold the tabs marked PULL of the deodorizing catalyst unit Pull the deodorizing catalyst unit and lift up to remove Step Procedure Points R12337 Hook Contact switch R12338 PULL Pleated filter PULL R13830 Deodorizing catalyst unit ...

Page 42: ...ert the 4 lower hooks of the deodorizing catalyst unit into the grooves of the air purifier then push the upper side firmly until it clicks 2 Remove the pleated filter from the projections 10 in total 3 Unfasten the 3 upper hooks Step Procedure Points R12340 Hook Pleated filter R12341 R13831 ...

Page 43: ...n the lower hook and remove the pleated filter 5 Take out the pack of spare filters from the holder 6 Take out a pleated filter and attach it Set the pleated filter so that its white surface can be seen from the front Step Procedure Points Hook R13832 R12344 Spare filters R13833 ...

Page 44: ... unit 2 Raise the deodorizing catalytic filter from the base and remove it When reassembling fit the lower hooks first and then bend and press the deodorizing catalytic filter to install completely The deodorizing catalytic filter can be removed but do not wash it or it cannot be reused Step Procedure Points Hook Hook R13834 Deodorizing catalytic filter R13835 ...

Page 45: ...alytic Air Purifier L Series 7 Remove the fan guard 1 Remove the 2 upper screws 2 Unfasten the 2 lower hooks and remove the fan guard When reassembling fit the lower hooks first Step Procedure Points Fan guard R12346 Hook R12347 R12348 R12349 ...

Page 46: ...val of Streamer Unit Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Pull out the streamer unit Caution Do not disassemble the streamer unit Replace it as a unit R12350 Streamer unit ...

Page 47: ... 4 directions 2 Pinch and detach the ionized wires with pincers Caution Be careful not to get your hands cut by the ionized wires Once removed the ionized wires cannot be reused When cleaning the ionized wires do not remove them Refer to the Operation Manual 3 4 Remove the 3 screws and remove the ionized wire mounting frame and contact switch Remove the 3 screws and remove the contact switch for i...

Page 48: ...g off all power supplies before disassembling work Step Procedure Points 1 Remove the 3 screws of the display cover ASSY 2 Pull the display cover ASSY 3 Disconnect the relay connector S128 from the control display PCB When reassembling connect the relay connector securely until the blue part is not to be seen Display cover ASSY R12355 R12356 R12357 Control display PCB S128 ...

Page 49: ...he dust sensor S1 and remove the control display PCB 6 The figure shows the control display PCB S1 dust sensor S128 power supply PCB SW1 main switch SW2 filter reset switch 7 Unfasten the 2 hooks and remove the dust sensor Step Procedure Points Hook R12358 R12359 S1 SW1 S1 S128 Odor sensor SW2 R12360 Hook Dust sensor R12361 ...

Page 50: ...r more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the back cover Preparation 1 Remove the 2 screws from the front top and the 3 screws from the back cover Remove the display cover ASSY according to Removal of Control Display PCB 2 Untie the power cord R12362 R12363 Back cover Power cord R12364 ...

Page 51: ...ytic Air Purifier L Series 3 Remove the back cover 2 Remove the fan motor 1 Remove the screw and remove the shield plate When reassembling insert the left hook into the groove Step Procedure Points R12365 R12366 Shield plate Hook Groove R12367 ...

Page 52: ...e wiring of the wire harness 3 Disconnect the connector for the fan motor S2 4 Unscrew the nut and pull out the fan When reassembling align the mark on the fan with the D cut on the motor shaft Nut size M8 Step Procedure Points R12368 R12369 S2 Nut Fan Washer R14729 D Cut R7768 13 mm R12371 ...

Page 53: ...roove and then slide the part B along the way Be careful not to strain nor to catch the harness at the part A 6 Remove the 3 screws from the fixing plate and remove the fan motor The motor and the harness are integrated together Make sure that the washer is not left behind the fan Step Procedure Points Part A R14655 Part B Harness retainer Fan motor R12373 Fixing plate ...

Page 54: ...tes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Disconnect the connector for the power supply S8 2 Disconnect the joint connector S401 3 Disconnect the relay connector S127 S8 Power supply PCB High voltage PCB R12374 S401 R12375 When reassembling connect the joint connector firmly not to be unfastened S127 R12376 ...

Page 55: ...per part of the power supply PCB and unfasten the hook Then remove the power supply PCB S2 fan motor S8 power supply S11 joint connector for high voltage PCB S127 control display PCB Step Procedure Points Press the hook R14730 Hook 1 2 1 ground for plasma ionizer 2 ground for streamer unit R12377 Hook R12378 S8 S2 S127 S11 R12379 Fuse 250 V 3 15 A ...

Page 56: ...c Air Purifier L Series 55 7 Remove the screw 8 Unfasten the hook and remove the high voltage PCB 9 Disconnect the 2 connectors Red plasma ionizer White streamer unit Step Procedure Points R12380 R12381 Hook Red White Hook R14731 Press the hook ...

Page 57: ...r more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws from the front side 2 Pull the base ASSY out Peel off the filament tape and release the ferrite core at the backside 3 Remove the switch cover R12383 Base ASSY R14656 Ferrite core Filament tape R12386 Ferrite core Switch cover R14657 ...

Page 58: ...olding the convex section and remove the safety switch ASSY 5 Disconnect the connectors 1 and 3 As a service part a safety switch ASSY has lead wires on 2 and 4 Step Procedure Points R14658 Safety switch ASSY R10267 R12388 R14732 1 Blue Brown 4 2 3 White Blue R10261 3 4 2 1 ...

Page 59: ...ollow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer Organization DAIKIN INDUSTRIES LTD AIR CONDITIONING MANUFACTURING DIVISION Scope of Registration THE DESIGN DEVELOPMENT AND MANUFACTURE OF COMMERCIALAIRCONDITIONING HEATING COOLING REFRIGERATING EQUIPMENT COMMERCIAL HEATING EQUIPMENT RESIDENTIAL AIR CONDITIONING EQUIPMENT ...

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