Mitsubishi Electric Mr.Slim SLZ-KA09NA Technical & Service Manual Download Page 8 | Manualshive

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WIRED REMOTE CONTROLLER

Unit : inch (mm)

5-1/8 (130)

3/4 (19)

4-23/32 (120)

1-23/32 (43.5)

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Summary of Contents for Mr.Slim SLZ-KA09NA

Page 1: ...YSTEM 26 9 DISASSEMBLY PROCEDURE 28 November 2010 No OCH487 REMOTE CONTROLLER Option Indoor unit Model names Service Ref SLZ KA09NA SLZ KA09NA TH SLZ KA12NA SLZ KA12NA TH SLZ KA15NA SLZ KA15NA TH INDOOR UNIT Model name indication ON OFF TEMP Note This manual describes only service data of the indoor units RoHS compliant products have G mark on the spec name plate For servicing RoHS compli ant prod...

Page 2: ...er Removes dust and pollutants from inhaled air Horizontal Air Outlet Sets horizontal airflow automatically during cooling or dehumidifying Air Intake Intakes air from room Indoor Unit SLZ KA09NA TH SLZ KA12NA TH SLZ KA15NA TH Radio frequency interface RF thermostat Wired remote controller Remote controller Optional parts ON OFF TEMP ...

Page 3: ...ng the cover ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button Operation button To return operation number Ventilation button Operation button To go to next operation number Built in temperature sensor Wired remote controller Option Once the controllers are set the same operation mode can be repeated by simply p...

Page 4: ...is off Temperature Setting Shows the target temperature Day of Week Shows the current day of the week Time Timer Display Shows the current time unless the simple or Auto Off timer is set If the simple or Auto Off timer is set the time to be switched off is shown Sensor indication Displays when the remote controller sensor is used Locked indicator Indicates that remote controller but tons have been...

Page 5: ...sconnect switch A 15 Min circuit ampacity A 1 0 Fan motor F L A 0 23 0 28 0 28 Airflow Low Med High Dry CFM 280 320 350 280 320 390 280 320 390 Wet CFM 250 290 320 250 290 350 250 290 350 Moisture removal pt h 1 2 2 3 4 5 Sound pressure level Low Med High dB A 29 32 38 30 34 39 31 35 40 External finish color Unit Galvanized sheets with gray heat insulation Grille ABS resin Munsell 6 4Y 8 9 0 4 Dim...

Page 6: ...TAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar BAND CENTER FREQUENCIES Hz NOISE CRITERION CURVES UNIT 5 ft MICROPHONE CEILING SLZ KA15NA TH High Medium 40 SPL dB 35 LINE 60Hz NOTCH Low 31 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar BAN...

Page 7: ...1 27 32 301 11 27 32 301 14 27 32 377 14 27 32 377 25 19 32 650 Suspension bolt M10 or W3 8 9 1 16 230 7 5 32 182 1 7 8 48 Wiring entry Terminal block Ceiling surface 9 1 4 235 8 3 16 208 7 19 32 193 25 32 20 3 21 32 93 1 1 2 2 9 32 38 58 2 19 32 66 4 3 4 121 21 32 17 7 15 16 202 2 7 32 56 2 1 14 57 3 7 16 87 1 7 32 31 Ceiling hole Suspension bolt pitch 19 32 1 15 32 15 37 19 32 1 15 32 15 37 22 1...

Page 8: ...8 WIRED REMOTE CONTROLLER Unit inch mm 5 1 8 130 3 4 19 4 23 32 120 1 23 32 43 5 Option ...

Page 9: ...ERMINAL A CENTRALLY CONTROL POWER SUPPLY I B POWER SUPPLY I B TRANSMISSION INDOOR OUTDOOR DRAIN PUMP DEW PREVENTION HEATER SWITCH EMERGENCY OPERATION SWITCH CAPACITY CODE FAN MOTOR WITH THERMAL FUSE VANE MOTOR DRAIN PUMP DRAIN SENSOR TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE TERMINAL BLOCK REMOTE CONTROLLER TRANSMISSION LINE TERMINAL BLOCK REMOTE CONTROLLER TRANSMISSION LINE ROOM TEMP THERMIST...

Page 10: ...50 Condenser evaporator temperature thermistor TH5 Room temperature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare SLZ KA09NA TH SLZ KA12NA TH SLZ KA15NA TH ...

Page 11: ...ors hold the housing of the connector DO NOT pull the lead wires Lead wire PAR 21MAA ON OFF FILTER CHECK OPERATION CLEAR TEST TEMP MENU BACK DAY MONITOR SET CLOCK ON OFF ERROR CODE ERROR CODE ERROR CODE Turn on the power Press the CHECK button twice Set address with TEMP button if system control is used Press the ON OFF button to stop the self check CHECK button Address TEMP button IC Indoor unit ...

Page 12: ...tom Remark Number of times IR wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp blinks Check code Number of times IR wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error 5 P5 Drain pump error 6 P6 Freezing Overhea...

Page 13: ...r terminal block Incorrect wiring between indoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short Note Operation is not possible for about 30 seconds after cancellation of function selection Correct operation For description of each LED LED1 2 3 provided on the indoor controller refer to the following table LED1 power for microprocessor Indicates whether control power ...

Page 14: ...ture with remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defect 5 Check pipe liquid temperature with remote controller in test run mode If there is extreme difference with actual pipe liquid tempera ture replace indoor controller board Turn the power off and on again to operate after checking P4 Dr...

Page 15: ... outdoor fan control 6 Overcharge of refrigerant 7 Defective refrigerant circuit clogging 8 Bypass circuit of outdoor unit is defective Cooling or drying mode 1 Check clogging of the filter 2 Remove blockage 4 Measure the resistance of fan motor s winding Measure the output voltage of fan s connector FAN on the indoor controller board WThe indoor controller board should be normal when voltage of A...

Page 16: ...3 Check wiring of remote controller Total wiring length max 500m Do not use cablex 3 or more The number of connecting indoor units max 16 units The number of connecting remote control ler max 2 units When the above mentioned problem of 1 3 are not seen 4 Diagnose remote controllers a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check If abnormality ...

Page 17: ...y of the remote controller control board Error code E1 2 Abnormal if the clock function of remote controller cannot be normally operated Error code E2 1 Defective remote controller 1 Replace remote controller PA 2502 2500 Forced compressor stop due to water leakage abnormality 1 When the intake temperature subtracted with liquid pipe temperature is less than 14 F drain sensor detects whether it is...

Page 18: ... 6 4 1 Indoor power board SLZ KA09NA TH SLZ KA12NA TH SLZ KA15NA TH CNSK Connect to the indoor controller board CNDK between 1 to 3 208 230V AC CN2S Connect to the indoor controller board CN2D between 1 to 3 12 6 13 7V DC Pin1 ...

Page 19: ...VDC 3 3 5 Malfunction indicator 13VDC 3 CN6V Vane motor output MV CN90 Connect to the IR wireless remote con troller board CNB CN31 Drain sensor DS CN29 Condenser evaporator temperature thermistor TH5 CN21 Pipe temperature thermistor Liquid TH2 CN20 Room temperature thermistor TH1 CN22 Remote controller connecting wire 10 4 14 6V DC LED3 Transmission Indoor outdoor LED2 Power supply R B LED1 Power...

Page 20: ...thermistor liquid TH2 Indoor fan motor MF Check method and criterion Part name Normal KA09NA Normal WHT BLK BLK BLU BLU YLW YLW RED RED BRN 387 418 77 83 19 21 179 193 KA12NA 303 328 105 114 39 42 235 254 KA15NA 272 295 79 85 37 40 191 206 4 3k 9 6k Abnormal Abnormal Opened or short circuited Opened or short circuited Measure the resistance between the terminals with a tester At the ambient temper...

Page 21: ...k 90_F 3 9k 100_F 3 2k Thermistor R0 6 0k 5 Fixed number of B 3390 2 Rt 6exp 3390 30_F 6 3k 50_F 3 9k 70_F 2 5k 80_F 2 0k 90_F 1 6k 100_F 1 3k Thermistor for lower temperature 1 273 t 32 1 8 1 273 1 273 t 32 1 8 1 273 Thermistor for drain sensor 0 10 20 30 40 50 0 20 20 40 60 80 100 120 Thermistor for lower temperature Temperature F Resistance k 20 40 60 80 100 120 140 170 Thermistor for drain sen...

Page 22: ...t type setting JP1 0 1 2 3 9 Wireless remote controller setting Control PCB setting J41 J42 Initial setting IR wireless remote controller 0 Control PCB for both J41 and J42 Four pair number settings are supported The pair number settings of the IR wireless remote controller and indoor control PCB J41 J42 are given in the table on the left in the table indicates the jumper wire is disco nnected The...

Page 23: ...on Outline of functions Main and sub units operate alternately according to the interval of rotation setting w Main and sub unit should be set by refrigerant address Outdoor Dip switch setting Refrigerant address 00 Main unit Refrigerant address 01 Sub unit When error occurs to one unit another unit will start operation Back up function System constraint This function is available only by the grou...

Page 24: ... up function No 5 314 Rotation ON Alternating interval 3 day and back up function No 6 315 Rotation ON Alternating interval 5 day and back up function No 7 316 Rotation ON Alternating interval 7 day and back up function No 8 317 Rotation ON Alternating interval 14 day and back up function No 9 318 Rotation ON Alternating interval 28 day and back up function Setting No Request code Setting contents...

Page 25: ...s the button to perform function setting If above setting operations are done correctly Request code number will appear in data display area Example When the 311 of Request code number is set 311 appears on the screen Refererence You can check current request code number setting by setting the request code number 310 or 320 and pressing the button Example When the current setting is Setting No 2 R...

Page 26: ...roller board and relay must be within 10m Be sure to secure insulation material by tape etc 5 Green Yellow Orange Connector 5P Indoor unit side Multiple remote controller adapter PAC SA88HA E Be sure to secure insulation material by tape etc Installation at site CN51 on indoor unit board Red Brown 1 CN51 MB CN51 WHT 8 3 OPERATION IN CONJUNCTION WITH DUCT FAN BOOSTER FAN Static pressure P in W G 10...

Page 27: ...e Vane motor Horizontal vane Connector Unlocking button Vane motor 3 Set the vertical vane of the air outlet by hand slowly within the range in the table below Measured standard posi tion of the grille Horizontal vane Specified range Up down airflow direction Horizontal 30 Downward 45 Downward 55 Downward 70 A 21 mm 13 16 inch 25 mm 31 32 inch 28 mm 1 3 32 inch 30 mm 1 3 16 inch The vanes can be s...

Page 28: ...ke grille knob 3 Removing the panel 1 Remove the air intake grille Refer to step 1 Corner panel See Figure 2 1 Remove the screw of the corner 2 Slide the corner panel to the direction of the arrow 3 and remove the corner panel Panel See Photo 2 1 Disconnect the connector that connects with the unit 2 Remove the 2 screws from the panel and loose another 2 screws which are fixed to the oval hole hav...

Page 29: ...astener wireless controller board relay connector 9P red and panel relay connector 10P white 3 Remove the 4 screws fixed to the drain pan and remove the drain pan 4 Remove the fan guard Refer to step 2 5 Removing the room temperature thermistor TH1 1 Remove the panel Refer to step 3 2 Pull out the room temperature thermistor from the drain pan 3 Remove the 2 screws fixed to the control box cover a...

Page 30: ...nd the holder Photo 7 Screw Screws Drain sensor DS Drain pump DP Drain hose Fixing band Control box Cover Screw Control box Photo 8 Lead wires 8 Removing the fan motor MF 1 Remove the panel Refer to step 3 2 Remove the drain pan Refer to step 6 3 Remove the nut and the washer from the turbo fan and remove the turbo fan 4 Remove the 2 screws fixed to the control box cover and remove the control box...

Page 31: ...over and remove the piping cover See Photo 9 7 Remove the pipe temperature thermistor liquid and condenser evaporator temperature thermistor Refer to step 7 8 Disconnect the lead wires to the direction of the fan motor 9 Remove the 1 coil support screw the 2 inside coil screws See Photo 10 and the 4 outside coil screws See Photo 9 from the heat exchanger and remove the heat exchanger Photo 9 Photo...

Page 32: ... MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Nov 2010 No OCH487 Made in Japan New publication effective Nov 2010 Specifications subject to change without notice ...

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