Mitsubishi Mr. Slim SLZ Series Technical & Service Manual Download Page 9 | Manualshive

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9

9

WIRED REMOTE CONTROLLER

Unit : mm

PAR-21MAA

PAR-30MAA

130

120

83.5

19.5

19

120

120

46

46

83.5

(Option)

OCH493D

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Summary of Contents for Mr. Slim SLZ Series

Page 1: ...ITION D WIRED REMOTE CONTROLLER Option Indoor unit Model names Service Ref SLZ KA25VAQ TH SLZ KA25VAQR1 TH SLZ KA25VAQ2 TH SLZ KA35VAQ TH SLZ KA35VAQR1 TH SLZ KA35VAQR2 TH SLZ KA50VAQ TH SLZ KA50VAQR1 TH SLZ KA50VAQR2 TH INDOOR UNIT Model name indication ON OFF TEMP Note This manual describes only service data of the indoor units PARTS CATALOG OCB493 Revision SLZ KA25VAQ2 TH and SLZ KA35 50VAQR2 T...

Page 2: ...ls provided with our products We will not be held responsible for mechanical failure system malfunction unit breakdown or accidents caused by failure to follow the instructions 1 TECHNICAL CHANGES 2 REFERENCE SERVICE MANUAL 2 1 OUTDOOR UNIT S SERVICE MANUAL 2 2 TECHNICAL DATA BOOK Service Ref Service Manual No SUZ KA25 50VA3 TH A OCH511 OCB511 SUZ KA25 35 50VA2 TH OCH472 OCB472 SUZ KA25 35 50VA2 T...

Page 3: ... OFF button This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error Press to save the setting Main display Press to change the operation mode Main menu Press to move the cursor down Press to return to the previous screen Main display Press to decrease temperature Main menu Press to move the cursor up Press to bring ...

Page 4: ...ctions cannot be operated Maintenance Auto descending panel Auto descending panel Optional parts Up Down you can do Manual vane angle Use to set the vane angle for each vane to a fixed position Initial setting Main Sub When connecting two remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Use to switch between Full and Basic mod...

Page 5: ...ction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Room Temperature display Shows the room temperature The room temperature display range is 8 39 The display blinks if the temperature is less than 8 or 39 or more Louver display Indicates the action of the swing louver Does not appear if the louver is not running Power On indicator Indicates that th...

Page 6: ... A A W kW A mm in mm in mm in kg dB A rpm k k k Electrical data Fan motor Special remarks Capacity Dimensions WHT BLK 407 BLK BLU 86 BLU YLW 30 BRN RED 165 UNIT 570 22 7 16 PANEL 650 25 9 16 UNIT 235 9 1 4 PANEL 20 13 16 UNIT 570 22 7 16 PANEL 650 25 9 16 UNIT 16 5 PANEL 3 WHT BLK 393 BLK BLU 164 BLU YLW 47 BRN RED 319 WHT BLK 393 BLK BLU 164 BLU YLW 47 BRN RED 319 SLZ KA50VAQ TH SLZ KA25VAQR1 TH ...

Page 7: ...ENCIES Hz SLZ KA50VAQ TH SLZ KA50VAQR1 TH SLZ KA50VAQR2 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 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 BAND CENTER FREQUENCIES Hz SLZ KA25VAQ TH SLZ KA25VAQR1 TH High Medium 37 SPL dB 31 LINE...

Page 8: ...Air outlet hole 301 301 377 377 650 650 V M V M V M Detail drawing of fresh air intake Ceiling surface Cut out hole W 73 4 Burring hole 3 W 2 8 hole W 100 118 25 1 2 0 1 2 0 Emergency operation switch cooling Emergency operation switch heating Operation lamp DEFROST STAND BY lamp WIRELESS PANEL Receiver SLZ KA50VAQ SLZ KA50VAQR1 SLZ KA50VAQR2 SLZ KA35VAQ SLZ KA35VAQR1 SLZ KA35VAQR2 SLZ KA25VAQ SLZ...

Page 9: ...9 9 WIRED REMOTE CONTROLLER Unit mm PAR 21MAA PAR 30MAA 130 120 83 5 19 5 19 120 120 46 46 83 5 Option OCH493D ...

Page 10: ...ONNECTOR REMOTE SWITCH CONNECTOR HA TERMINAL 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...

Page 11: ...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 KA25VAQ TH SLZ KA35VAQ TH SLZ KA50VAQ TH SLZ KA25VAQR1 TH SLZ KA35VAQR1 TH SLZ KA50VAQR1 TH SLZ KA25VAQ2 TH SLZ KA35VAQR2 TH SLZ KA50VAQR2 TH OCH493D ...

Page 12: ... Pipe temperature error E4 E5 Remote controller signal receiving error Errors detected by unit other than indoor unit outdoor unit etc 1 The check code in the parenthesis indicates PAR 30MAA model Symptom Remark Indoor outdoor unit communication error Transmitting error Outdoor unit Open short of outdoor unit thermistors Compressor overcurrent interruption When compressor locked Abnormal high disc...

Page 13: ...ndoor 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 is supplied Make sure that this LED is alwa...

Page 14: ...th 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 temperature replace indoor controller board Turn the power off and on again to operate after checking P4 Drain sens...

Page 15: ...g 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 AC 220 240V is detected while fan motor is connected Refer to 8 5 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit...

Page 16: ...ction or looseness of indoor unit or transmission wire of remote controller 2 Set one of the remote controllers main if there is no problem with the action above 3 Check wiring of remote controller Total wiring length max 500 m Do not use cable 3 or more The number of connecting indoor units max 16 units The number of connecting remote controller max 2 units When the above mentioned problem of 1 3...

Page 17: ...lly read from the nonvolatile memory of the indoor controller board 1 Defective indoor controller board 1 Replace indoor controller board The check code in the parenthesis indicates PAR 30MAA model E1 or E2 Remote controller control board 1 Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board Error code E1 2 Abnormal if the clock function of r...

Page 18: ...normality Once the water leakage abnormality is detected abnormality state will not be released until the main power is reset 1 Drain pump trouble 2 Drain defective Drain pump clogging Drain pipe clogging 3 Open circuit of drain sensor side heater 4 Contact failure of drain sensor connector 5 Dew condensation on drain sensor Drain water trickles along lead wire Drain water waving due to filter clo...

Page 19: ... 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 to 0 For grouping control system under which 2 or more outdoor units are connected set one of the units to 0 Set refrigerant address using SW1 3 6 on outdoor controller circuit board 2 LED2 on indoor control...

Page 20: ...to the indoor controller board CNDK between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D between 1 to 2 12 6 13 7V DC Pin1 CNSK Connect to the indoor controller board CNDK between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D between 1 to 2 12 6 13 7V DC Pin1 SLZ KA25VAQ2 TH SLZ KA35VAQR2 TH SLZ KA50VAQR2 TH OCH493D ...

Page 21: ...ector LOSSNAY CN51 Centrally control 1 2 Control 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 DS CN29 Condenser evaporator temperature thermistor TH5 CN21 Pipe temperature thermistor Liquid TH2 CN20 Room temperature thermistor TH1 CN22 Remote controlle...

Page 22: ...Z KA25VAQ SLZ KA25VAQ2 Models ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 SLZ KA35VAQ SLZ KA50VAQ Action by switch opration OFF Available Extra low Not available ON Not available Stop Available Dip switch Function SW3 1 SW3 2 SW3 3 SW3 4 SW3 5 Power failure automatic recovery Set temperature in heating mode 4 deg up Fan speed when the thermostat is OFF during heating mode SW3 function OFF O...

Page 23: ... terminals with a tester Coil wiring temperature 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 KA35VAQ KA25VAQ2 373 413 155 172 44 49 302 335 KA50VAQ 308 341 135 151 44 49 293 324 4 3k 9 6k Abnormal Abnormal Opened or short circuited Opened or short circuite...

Page 24: ...Ω 25 5 2kΩ 30 4 3kΩ 40 3 0kΩ Thermistor R0 6 0kΩ 5 Fixed number of B 3390 2 Rt 6exp 3390 0 6 0kΩ 10 3 9kΩ 20 2 6kΩ 25 2 2kΩ 30 1 8kΩ 40 1 3kΩ 60 0 6kΩ Thermistor for lower temperature 1 273 t 1 273 1 273 t 1 273 Thermistor for drain sensor 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance k 20 0 20 40 60 80 Thermistor for drain sensor Temperature 0 1 2...

Page 25: ...Indoor controller board Distance between indoor 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 sure to secure insulation material by tape etc Installation at site CN51 on indoor unit board Red Brown 1 CN51 MB CN51 WHT 9 3 OPERATION IN CONJUNCTION W...

Page 26: ...onnector 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 standard position of the grille Horizontal vane Specified range Up down airflow direction Horizontal 30 Downward 45 Downward 55 Downward 70 A 21 mm 25 mm 28 mm 30 mm The vanes can be set between 21mm an...

Page 27: ...r intake grille knob 3 Removing the panel 1 Remove the air intake grille Refer to Procedure 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 ov...

Page 28: ...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 plate 8 Disconnect the lead wires to the direction of the fan motor and remove the 3 nuts of the fan motor Photo 5 6 Removing the drain pan 1 Remove the panel Refer to Procedure 3 2 Remove the room te...

Page 29: ...oto 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 Procedure 3 2 Remove the drain pan Refer to Procedure 6 3 Remove the 2 screws fixed to the control box cover and remove the control box cover 4 Remove the connectors of the CNP and the CN31 from the indoor controller board 5 Remove the 1 screw fixed to the cover ...

Page 30: ...d in Oct 2012 No OCH493 REVISED EDITION D Distributed in Feb 2012 No OCH493 REVISED EDITION C Distributed in Dec 2011 No OCH493 REVISED EDITION B Distributed in Mar 2011 No OCH493 REVISED EDITION A Distributed in Dec 2010 No OCH493 Made in Japan New publication effective Oct 2012 Specifications are subject to change without notice ...

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