Mitsubishi Mr.Slim PKA-A.HA4- Manuals

5 ● Wired remote controller (Option) °F°C °F°C ERROR CODE AFTER TIMER TIME SUN MON TUE WED THU FRI SAT ONOFF HrAFTER FILTER FUNCTION ONLY1Hr. WEEKLY SIMPLE AUTO OFF PAR-21MAA ON/OFF FILTER CHECK OPERATION CLEAR TEST TEMP. MENU BACK DAY MONITOR/SET CLOCK ON/OFF •• Display Section For purposes of this...

6 ● IR wireless remote controller (Option) ON/OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE SWING CHECK FAN TEST RUN °F °C AMPM STOP START AMPM COOL DRY AUTO FAN HEAT VANE CONTROL button Changes the air flow direction. CLOCK button...

7 SPECIFICATIONS 4 AA kW F.L.A m 3 /min(CFM) Pa(mmAq) dB mm(in.)mm(in.)mm(in.)mm(in.) kg(lbs) Service Ref. Power supply(phase, cycle, voltage) Max. Fuse SizeMin.Circuit Ampacity External finishHeat exchangerFan Fan(drive) % No. Fan motor outputFan motor Airflow(Low-Middle-High) External static press...

8 5 NOISE CRITERION CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB (0dB=0.0002 μ bar) BAND CENTER FREQUENCIES, Hz PKA-A12HA4 PKA-A18HA4 High NOTCH Low 43...

9 OUTLINES AND DIMENSIONS 6 PKA-A12HA4 PKA-A18HA4 Unit: inch (mm) 1/2F ( : 12.7) 1/4F ( : 6.35) RefrigerantPiping Drain hose Gas pipe Liquid pipe : 2-1/2~ : 3-1/8 ( : 65~ : 80) : 2-1/2~ : 3-1/8 ( : 65~ : 80) Through hole Sleeve (purchased locally) Center measurement hole : 3/32( : 2.5) 5/32(3.8) 2-1...

10 WIRING DIAGRAM 7 PKA-A12HA4 PKA-A18HA4 The black square ( ■ ) indicates a switch position. Notes: 1. SymboIs used in wiring diagram above are, : Connector, : Terminal (block).2. Indoor and outdoor connecting wires have poIarities, make sure to match terminal numbers (S1, S2, S3) for correct wirin...

11 REFRIGERANT SYSTEM DIAGRAM 8 Thermistor TH2 Pipe temperature(Liquid) Distributor with strainer (#50/#50) Thermistor TH5 (Cond./ Eva.temperature) Thermistor TH1 (Room temperature) Refrigerant flow in coolingRefrigerant flow in heating Strainer (#50) Strainer (#50) Heat exchanger Refrigerant GAS pi...

12 TROUBLESHOOTING 9 <Error code display by self-diagnosis and actions to be taken for service (summary)> Present and past error codes are logged and displayed on the wired remote controller or controller board of outdoor unit. Actions to be taken for service and the trouble reoccurrence at fi...

13 13 [Procedure] 1. Press the CHECK button twice. 2. Press the temperature buttons. 3. Point the remote controller at the sensor on the indoor unit andpress the HOUR button. 4. Point the remote controller at the sensor on the indoor unit andpress the ON/OFF button. ON/OFF TEMP FAN VANE MODE CHECK L...

20 Note: Refer to the manual of outdoor unit for the detail of remote controller. (1)Upward/downward vane performance failure The vane is not downward during defrosting and heatpreparation and when the thermostat is OFF in HEATmode. (Working of COOL protection function)Vane motor does not rotate. • ...

22 9-6. HOW TO CHECK THE PARTS Parts name Check points Vane motor (MV) Measure the resistance between the terminals with a tester. (Coil temperature 77 " F ) Normal 350 ± 7% Abnormal - Brown-Red - Brown-Orange - Brown-Yellow - Brown-Green Open or short Fan motor (MF) Red Yellow Brown Orange Gree...

23 9-6-2. DC Fan motor (fan motor/indoor controller circuit board) Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attention to the service. · Do not pull out the connector (CNMF) for the motor with the power supply on. (It causes trouble of the indoor controller circu...

24 9-7. TEST POINT DIAGRAM Indoor controller board PKA-A12HA4 PKA-A18HA4 { CN51 Centrally control 1 - 2 : Control signal 13VDC pulse input ( 1 : +) 3 - 4 : Operation indicator 13VDC ( 3 : +) 3 - 5 : Malfunction indicator 13VDC ( 3 : +) CN44 Pipe temperature thermistor 1 - 2 : Liquid (TH2) 3 - 4 : Co...

25 SW1 Setting by the dip switch and jumper wire Functions Jumper wire Modelsettings Capacitysettings Pair numbersetting withIR wireless remotecontroller Remarks SW2 J41J42 Indoorcontrollerboard type setting JP3 012 3 ~ 9 Wireless remote controller setting Control PCB setting J41 J42 <Initial set...

26 10 SPECIAL FUNCTION Note:· When the uint is restarted to operate after turning off the power or OFF operation, the unit which was operating will start oper- ation. · To operate the main unit, refer to the 10-1-2. and set the request code No. which is not the same as the current one, and set again...

27 27 System constraint · This function is available only in cooling mode. Ex.) Set temp. by R/C = 20 : (68°F) Set point = 26 : (79°F) When request code number is “323”. 26 : 2nd unit Cut-in 4 degree C 22 : 2nd unit Cut-out 20 : 10-1-2. How to set rotation function (Back-up function, 2nd stage cut-i...

28 (2) Setting method of each function by wired remote controller B: Refrigerant addressC: Data display areaD: Request code display area TEST CHECK FILTER FILTER ON/OFF 1. Stop operation( ). 2. Press the button ( ) for 3 seconds so that [Maintenance mode] appears on the screen ( ). After a while, [0...

29 DISASSEMBLY PROCEDURE 11 Be careful when removing heavy parts. Push Push Down Be carefulnot to damage the airflow adjustmentplate with thescrew driver. Corner hole 1. REMOVING THE LOWER SIDE OF THE INDOOR UNIT FROM THE INSTALLATION PLATE (1) Remove the front panel.(2) Insert the screw driver to t...

30 4. REMOVING THE ELECTRICAL BOX (1) Remove the front panel. (Refer to step 2)(2) Remove the electrical box covers. (See Photo 3) (3) Remove the nozzle assembly. (Refer to step 5)(4) Disconnect the connecting wire from terminal block (TB4) and terminal block for MA-remote controller (TB5). (5) Disc...

32 8. REMOVING THE LIQUID PIPE THERMISTOR AND COND/EVA TEMP. THERMISTOR (1) Remove the front panel. (Refer to step 2)(2) Remove the electrical box cover.(3) Remove the motor band.(4) Cut the wiring fixed band.(5) Remove the liquid pipe thermistor and cond/eva temp. ther- mistor. (6) Disconnect the c...

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN C Copyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO., LTD. Distributed in Nov. 2010 No.OCH483Made in Japan New publication, effective Nov. 2010Specifications subject to change without notice TM