Mitsubishi Mr.Slim PKA-A.GAL Service Manual

TECHNICAL & SERVICE MANUALCONTENTS1. COMBINATION OF INDOOR AND OUTDOOR UNITS···22. SAFETY PRECAUTION·······································33. PAR

10Cooling18,3005,3502.33PKA-RP2GALSingle phase, 50Hz, 220-230-240V0.070.330.40Munsell 0.70Y 8.59/0.97Plate fin coilLine flow (direct) x 10.0309-10-11-

115DATA5-1. PERFORMANCE DATACOOLING CAPACITY(1) PKA-RP1.6GAL / PUHZ-RP1.6VHAOutdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake ai

12COOLING CAPACITY(2)PKA-RP1.6GAL / PUHZ-RP1.6VHAOutdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)202020222222242424

13COOLING CAPACITY(3)PKA-RP2GAL / PUHZ-RP2VHAOutdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)2020202222222424242426

14COOLING CAPACITY(4) PKA-RP2GAL / PUHZ-RP2VHAOutdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)202020222222242424242

15COOLING CAPACITY(5) PKA-RP1.6GAL / PUH-P1.6VGAAPUH-P1.6VGAA.UK PUH-P1.6YGAA.UKPUH-P1.6VGAA1.UK PUH-P1.6YGAA1.UKPU-P1.6VGAAPU-P1.6VGAA.UK PU-P1.6YGAA

16Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202022222224242424262626262727272728282828303030303232323234343

17Outdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202022222224242424262626262727272728282828303030303232323234343

18Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202022222224242424262626262727272728282828303030303232323234343

19HEATING CAPACITY (1)NOTE: CA: Capacity (W) P.C.: Power consumption (kW)Outdoor intake air W.B. (:)-10 -5 0 5 10 15CAIndoorintake areD.B. (˚C)P.C. CA

21COMBINATION OF INDOOR AND OUTDOOR UNITSOutdoor unit [OC294 REVISED EDITION-A]Heat pump typePUHZ-RPOutdoor unit [OC285]Heat pump typePUH-P(R407C Fixe

20Heating performance curve(50Hz)1.41.21.01520252520150.80.60.41.41.21.00.80.60.4-12 -10 -5 0 5 10 15INDOORD.B.(°C)INDOORD.B.(°C)OUTDOOR W.B.(°C)CAPAC

21Refrigerant piping length (one way)40m0.9490.90830m0.9620.93120m0.9760.95710m0.9920.9855m1.001.0050m0.9360.88655m0.9300.87660m——70m——80m——Service Re

225-4. STANDARD OPERATION DATAHeat pump type (1)The unit of pressure has been changed to Mpa on tha international system of unit (Sl system).The conv

23Service Ref.ModeCapacityInputIndoor unit Service Ref.Phase , HzVoltsAmperesOutdoor unit Service Ref.Phase , HzVoltsAmperesDischarge pressureSuction

245-5. OUTLET AIR SPEED COVERAGE RANGEAir flow m3/minAir speed m/secCoverage range m (ft)125.310(32.8)PKA-RP1.6GAL125.310(32.8)PKA-RP2GALThe air cover

2590807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

266OUTLINES AND DIMENSIONSINDOOR UNITPKA-RP1.6GALPKA-RP2GALUnit : mmBYOFFON STANDHEATCOOLOFF BYON STANDCOOL HEATÅrÇoÇoÅqÅ@ëOñ Å@ÇeÇqÇnÇmÇs ÅrÇoÇoÅqÅ@ë

273.While pointing the remote controller toward the unit's receiver, press the h button. · The check code will be indicated by the number of

288REFRIGERANT SYSTEM DIAGRAMPKA-RP1.6GALPKA-RP2GALUnit : mmPipe temperature thermistor/liquid (TH2)Distributorwith strainer#50Condenser/evaporator te

299 TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged a

32 SAFETY PRECAUTION[2] Refrigerant recharging(1) Refrigerant recharging process1Direct charging from the cylinder.·R407C cylinder are available on t

30[Procedure]1. Press the CHECK button twice.2. Press the temperaturebuttons.3. Point the remote controller at the sensor on the indoor unit andpress

319-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeMeaning of

32Error CodeMeaning of error code and detection method CauseCountermeasureP6Freezing/overheating protection isworking1 Freezing protection (Cooling mo

33Error CodeMeaning of error code and detection method CauseCountermeasureP9Abnormality of pipe temperature ther-mistor / Condenser-Evaporator (TH5)1

349-4. TROUBLESHOOTING BY INFERIOR PHENOMENANote: Refer to the manual of outdoor unit for the detail of remote controller.(3)Upward/downward vane perf

359-5. EMERGENCY OPERATION 9-5-1. When wireless remote controller troubles or its battery is exhausted1. Emergency operation is available in such a c

3601020304050-20 -10 0 10 20 30 40 50< Thermistor for lower temperature >Temperature (:)Resistance (K")<Thermistor Characteristic graph&

379-7. TEST POINT DIAGRAM9-7-1. Indoor controller boardPKA-RP1.6GALPKA-RP2GALCN6VVane motor output(MV)CN32Connector(Remote switch)CN90Connect to the w

389-8. FUNCTIONS OF JUMPER WIREEach function is controlled by the jumper wire on control p.c. board. For service parts, J11- J15 and J21-J24, DIP swit

3910DISASSEMBLY PROCEDUREPKA-RP1.6GALPKA-RP2GALOPERATION PROCEDUREPHOTOS & ILLUSTRATION1. REMOVE THE LOWER SIDE OF THE INDOOR UNIT FROMTHE INSTALL

4[3] Service toolsUse the below service tools as exclusive tools for R407C refrigerant.No. Tool name Specifications1 Gauge manifold ·Only for R407C.·U

40OPERATION PROCEDUREPHOTOS & ILLUSTRATION(Photo 5)(Photo 6)(Photo 7)(Photo 8)8. REMOVING THE ELECTRICAL PARTS BOX(1) Remove the terminal block co

4110. REMOVING THE LINE FLOW FAN(1) Remove the terminal block cover.(2) Remove the front panel.(see the photo 1)(3) Remove the electrical parts box.(s

4211 PARTS LISTSTRUCTURAL PARTSPKA-RP1.6GALPKA-RP2GAL1123456789101112131415BACK PLATECORNER COVERUNDER COVERFRONT PANELSCREW CAPVANE SLEEVEFRONT GRILL

43T7W E50 480R01 07Y 114R01 07Y 102R01 005 103R01 07Y 106T7W A00 675R01 07Y 524R01 07Y 527T7W E13 530R01 09Y 038R01 07Y 038R01 07Y 059R01 E02 223R01 5

12 OPTIONAL PARTS12-1. Wired Remote Controller (with terminal bed).12-2. Program Timer12-3. Remote Sensor12-4. Remote Operation Adapter12-5. Remote ON

5Cautions for units utilizing refrigerant R410ACAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the inside and outside of r

63 PART NAMES AND FUNCTIONS● Indoor UnitAir intakeAir intake grilleFilterAir outletGuide vaneAuto vaneGravimeterUnit[3] Service toolsUse the below ser

7●Wireless remote controller● When cover is open.ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAIL

84SPECIFICATIONSCooling15,7004,600(2,300~5,400)1.630.070.330.40Heating15,4004,500(2,500~6,200)1.400.070.330.40Single phase, 50Hz, 220-230-240VMunsell

9Cooling18,3005,3502.330.070.330.40Heating21,2006,2002.340.070.330.40Single phase, 50Hz, 220-230-240VMunsell 0.70Y 8.59/0.97Plate fin coilLine flow (d