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2

Auto Air Swing Vane
Disperses airflow up and

down and adjusts the angle

of airflow direction.

Grille

Filter
Removes dust and pollutants

from inhaled air.

Horizontal Air Outlet
Sets horizontal airflow automatically

during cooling or dehumidifying.

 Air Intake
Inhales air from room.

Indoor Unit
SLZ-KA25VAQ.TH SLZ-KA35VAQ.TH SLZ-KA50VAQ.TH

1

PART NAMES AND FUNCTIONS

Note:
The phrase “Wired remote controller” in this service manual refers only to the PAR-21MAA.
If you need any information for the PAR-30MAA, please refer to the instruction book included in PAR-30MAA box.

Summary of Contents for Mr.SLIM SLZ-KA25VAQ

Page 1: ...ASSEMBLY PROCEDURE 25 December 2010 No OCH493 WIRED REMOTE CONTROLLER Option Indoor unit Model names Service Ref SLZ KA25VAQ SLZ KA25VAQ TH SLZ KA35VAQ SLZ KA35VAQ TH SLZ KA50VAQ SLZ KA50VAQ TH INDOOR...

Page 2: ...orizontal airflow automatically during cooling or dehumidifying Air Intake Inhales air from room Indoor Unit SLZ KA25VAQ TH SLZ KA35VAQ TH SLZ KA50VAQ TH 1 PART NAMES AND FUNCTIONS Note The phrase Wir...

Page 3: ...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 Ventilat...

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 simpl...

Page 5: ...tance at 26 Width Height Depth Weight Air direction Sound level High Medium Low Fan speed High Medium Low Fan speed regulator Thermistor TH1 at 25 Thermistor TH2 at 25 Thermistor TH5 at 25 h A A W kW...

Page 6: ...D PRESSURE LEVEL dB 0 dB 0 0002 bar BAND CENTER FREQUENCIES Hz SLZ KA50VAQ TH High Medium 39 SPL dB 34 LINE 50Hz NOTCH Low 30 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE...

Page 7: ...M Air intake grille 55 35 35 55 Auto vane Grille Air intake hole Air intake hole Air outlet hole Air outlet hole 301 301 377 377 650 650 V M V M V M Detail drawing of fresh air intake Ceiling surface...

Page 8: ...8 WIRED REMOTE CONTROLLER Unit mm 130 19 120 43 5 Option...

Page 9: ...9 9 WIRING DIAGRAM 4 SLZ KA25VAQ TH SLZ KA35VAQ TH SLZ KA50VAQ TH...

Page 10: ...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 con...

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 CO...

Page 12: ...mptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp blinks Check code Number of times Wireless remote controller Wired remote control...

Page 13: ...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...

Page 14: ...re 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...

Page 15: ...oling 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 W...

Page 16: ...Do not use cable 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 re...

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 co...

Page 18: ...it 1 Mis setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant address 0 1 Check the setting of refrigerant address for outdoor unit Set the refrigerant address...

Page 19: ...5 1 Indoor power board SLZ KA25VAQ TH SLZ KA35VAQ TH SLZ KA50VAQ TH CNSK Connect to the indoor controller board CNDK between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D betwee...

Page 20: ...ontrol signal 13V pulse input 1 3 4 Operation indicator 13VDC 3 3 5 Malfunction indicator 13VDC 3 CN6V Vane motor output MV CN90 Connect to the wire less remote controller board CNB CN31 Drain sensor...

Page 21: ...ature 10 C 30 C Pipe temperature thermistor liquid TH2 Indoor fan motor MF Check method and criterion Part name Normal KA25VAQ Normal WHT BLK BLK BLU BLU YLW BRN RED 386 428 81 91 28 32 157 174 KA35VA...

Page 22: ...20 6 3k 25 5 2k 30 4 3k 40 3 0k Thermistor R0 6 0k 5 Fixed number of B 3390 2 Rt 6exp 3390 0 6 0k 10 3 9k 20 2 6k 25 2 2k 30 1 8k 40 1 3k 60 0 6k Thermistor for lower temperature 1 273 t 1 273 1 273...

Page 23: ...controller 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...

Page 24: ...d connector with the plastic tape 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...

Page 25: ...air intake grille 2 Remove the 3 screws of fan guard Air intake 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 corn...

Page 26: ...nd the fan 2 from the indoor controller board 6 Remove the 3 screws fixed to the piping cover and remove the piping cover See Photo 9 7 Remove the 6 screws fixed to the flat plate and remove the flat...

Page 27: ...hoto 9 from the heat exchanger and remove the heat exchanger 9 Removing the drain pump DP and drain sensor DS 1 Remove the panel Refer to step 3 2 Remove the drain pan Refer to step 6 3 Remove the 2 s...

Page 28: ...MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Dec 2010 No OCH493 Made in Japan New publication effective Dec 2010 Specifications subj...

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