Mitsubishi PK12FK Instruction Manual Download Page 1

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OC196A-1

CONTENTS

1. TECHNICAL CHANGE ················································································OC196A- 2

2. FEATURES···································································································OC196A- 3

3. PART NAMES AND FUNCTIONS ·······························································OC196A- 6

4. SPECIFICATIONS························································································OC196A-10

5. DATA ············································································································OC196A- 11

6. OUTLINES AND DIMENSIONS ···································································OC196A-19

7. REFRIGERANT SYSTEM DIAGRAM··························································OC196A-23

8. WIRING DIAGRAM ······················································································OC196A-24

9. OPERATION FLOW-CHART ·······································································OC196A-28

10. MICROPROCESSOR CONTROL ································································OC196A-31

11. TROUBLESHOOTING ·················································································OC196A-44

12. SYSTEM CONTROL ····················································································OC196A-51

13. DISASSEMBLY PROCEDURE ····································································OC196A-56

14. PARTS LIST ·································································································OC196A-59

15. OPTIONAL PARTS ······················································································OC196A-68

PK12FK, PK12FK

PK18FK, PK18FK

, PK18FK

PK24FK, PK24FK

, PK24FK

PK30FK, PK30FK

, PK30FK

PK36FK, PK36FK

, PK36FK

OC196A--1.qxp 1.12.19 10:35 AM Page 1

Summary of Contents for PK12FK

Page 1: ...REFRIGERANT SYSTEM DIAGRAM OC196A 23 8 WIRING DIAGRAM OC196A 24 9 OPERATION FLOW CHART OC196A 28 10 MICROPROCESSOR CONTROL OC196A 31 11 TROUBLESHOOTING OC196A 44 12 SYSTEM CONTROL OC196A 51 13 DISASSE...

Page 2: ...3 No 4 18 OFF ON OFF OFF 24 OFF ON OFF OFF 30 ON ON OFF OFF 36 ON ON OFF OFF 18 OFF ON OFF OFF 24 ON ON OFF OFF 30 OFF ON ON OFF 36 ON ON ON OFF Dip SW Dip SW Appearances Remote controller Indoor con...

Page 3: ...ion guide The back plate installation guide gives clear instructions on installation positions The enlarged back plate secures the unit firmly to the wall while the support piece which lifts the unit...

Page 4: ...ed This is convenient when for example a power failure occurs 2 Non polar Two Wire Remote Controller Cables The non polar two wire type remote controller cable is slim installation is simple and troub...

Page 5: ...to install a number of units in a compact arrangement at a single site The outdoor unit allows for unheard of flexibility in determining a piping layout thus greatly simplifying installation 8 FRONT...

Page 6: ...ting can be per formed in 2 F units Setting range Cooling 65 F to 87 F CHECK TEST RUN button Only press this button to perform an inspection check or test operation Do not use it for normal operation...

Page 7: ...CONTROLLED is displayed for two seconds after POWER button is turned to on This is not defective 2 All LCD are off during power OFF 3 When a button on the operat ing panel is pressed a beep sound is...

Page 8: ...to perform an inspection check or test operation Do not use it for normal operation AIR SWEEP button This switches the horizontal fan motion ON and OFF This button is not available CLOCK TIMER button...

Page 9: ...The start time or stop time is always displayed during the timer operation AIR DISCHARGE display This displays the air direction display The temperature of the return air is displayed during operatio...

Page 10: ...K18FK1 PK18FK2 15 1 0 7 710 530 640 480 5 3 48 41 1 53 PU18EK1 20 16 0 75 RH247NAB 12 0 37 0 11 0 12 23 28 53 33 1 2 154 3 8 5 8 55 1 8 34 1 4 11 5 8 PK24FK PK24FK1 PK24FK2 24 000 2 34 10 3 10 6 PK24F...

Page 11: ...83 TC 14 0 13 1 12 2 12 1 11 5 11 3 20 8 19 3 18 0 17 9 17 1 16 7 26 9 25 1 23 4 23 2 22 1 21 7 33 7 31 4 29 2 29 0 27 7 27 1 38 4 35 7 33 3 33 1 31 5 30 9 85 SHC 9 5 10 6 11 5 10 3 10 0 9 7 14 3 15...

Page 12: ...umption kW Outdoor intake air D B temperature F indoor intake air W B temperature F indoor intake air W B temperature F SHF 0 82 Total capacity 10 3 Btu h Total power consumption kW Outdoor intake air...

Page 13: ...de Condensing pressure 30 40 50 60 70 80 90 100 110 D B F Outdoor ambient temperature F indoor intake air W B temperature F psi G 100 90 80 70 60 50 40 30 86 80 75 70 PK12FK PK12FK1 Suction pressure 3...

Page 14: ...0 30 20 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature D B F D B F psi G Indoor D B temperature F Indoor D B temperature F Condensing pressure Suction pressure PK24FK PK24FK1 PK24FK2 Cooling...

Page 15: ...t temperature F PK30FK PK30FK1 PK30FK2 Suction pressure D B F 86 80 75 70 100 90 80 70 60 50 40 30 30 40 50 60 70 80 90 100 110 psi G indoor intake air W B temperature F Outdoor ambient temperature F...

Page 16: ...ing 18 500 0 82 1 75 PK18FK PK18FK1 PK18FK2 115 1 60 0 09 0 7 PU18EK1 208 230 1 60 1 66 12 0 0 75 255 82 171 118 51 25 5 lbs 8 oz 80 67 61 59 1 300 710 95 75 790 1 590 Cooling 24 000 0 72 2 34 PK24FK...

Page 17: ...erature Maximum temperature Minimum temperature Maximum humidity Indoor Intake air temperature Outdoor W B F 67 71 57 75 D B F 95 115 0 80 With wind baffle D B 23 F if no wind baffle W B F 75 75 75 Ai...

Page 18: ...OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE Hi NOTCH Lo 48 SPL dB 41 LINE Wall Unit 3 3ft 3 3ft Ambient te...

Page 19: ...Drain hose Flexible hose length 47 1 4 Drain hose Terminal block pipe position 1 25 32 13 2 3 8 7 15 32 14 3 4 7 14 23 32 Details of installation plate Necessary clearance for Unit installation 2 43...

Page 20: ...5 32 3 15 16 1 17 32 1 3 16 1 15 32 2 29 32 5 32 1 5 32 11 1 32 1 3 16 7 1 4 1 3 16 3 5 32 1 3 18 2 3 8 13 32 1 17 32 1 15 32 2 9 16 3 15 16 A B C Knock out hole for piping 31 32 43 11 16 7 7 32 9 7 1...

Page 21: ...2 4 23 32 Liquid pipe Top Front Left side Air intake 5 15 16 or less 1 3 16 or more 10 or more Air outlet 13 3 8 Knock out hole for left piping 1 3 16 1 3 16 1 15 32 1 15 32 2 9 16 1 15 32 1 17 32 1 1...

Page 22: ...HECK TEST RUN LOW HIGH ON OFF POWER SET 3 5 8 5 8 2 3 4 TIMER MODE HOURS FAN SPEED LOW HIGH CHECK TEST RUN 4 3 4 4 1 4 5 32 A 4 3 4 4 1 4 1 4 VIEWA 3 8 1 2 3 16 2 5 16 3 9 32 1 2 Fixing holes Side wir...

Page 23: ...utor Refrigerant pipe option 3 8 with heat insulator Refrigerant pipe option 5 8 with heat insulator Strainer Flared connection Flared connection Pipe temperature thermistor RT2 Distributor Refrigeran...

Page 24: ...hould be limited to 10 hours maximum 7 After every operation switch the fan connector to FAN 1 and set all dip switches SW3 I B to OFF GR TB6 1 2 OFF ON R B 2 1 4 3 6 5 CN1 1 2 3 CN2 LCD 0987654321 SW...

Page 25: ...2 OFF ON R B 2 1 4 3 6 5 CN1 1 2 3 CN2 LCD 0 9 8 7 6 5 4 3 2 1 SW17 18FK GR J9 8 7 LED1 12V POWER X4 C MF L1 N GRN YLW SW7 CN51 CENTRALLY CONTROL LED2 5V POWER ON OFF TRANSMISSION WIRES DC12V 1 2 HEAT...

Page 26: ...E CONTROLLER TRANSMISSION LINE RELAY VANE MOTOR RELAY FAN MOTOR VARISTOR NOTES 1 Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing 2 Ind...

Page 27: ...TCH MODEL SELECTOR SWITCH MODEL SELECTOR SWITCH ADDRESS SELECTOR SWITCH FUNCTION SELECTOR TRANSFORMER TERMINAL BLOCK POWER TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE TERMINAL BLOCK REMOTE CONTROLLE...

Page 28: ...mote controller trouble display Indoor side Outdoor side Fan STOP Compressor OFF Fan STOP w1 In addition the centralised control and remote control can be operated w2 The modes which indicate the sour...

Page 29: ...er Defrosting protection detection temperature 30 F or lower YES NO 6 minute time delay 3 minute time delay Coil frost prevention release Allowance period 6 minute time delay Allowance set 1 min conti...

Page 30: ...OFF and the pipe temperature is below 43 F the fan speed changes to LOW mode It is not possible to set the fan speed with the remote controller DRY OPERATION DRY operation Initial dry operation Room t...

Page 31: ...Indoor controller board Receives orders from remote controller and tem perature data from indoor unit Processes orders and data Controls indoor and outdoor operation Self diagnostic function w System...

Page 32: ...changes 2 F when the SET TEMP button is pressed one time Cooling 65 to 87 F How to operate 1 Press POWER ON OFF button 2 Press COOL DRY button to set operation mode to Cool NOTE Cool and DRY are alte...

Page 33: ...ndition After the compressor has been continuously operated for 3 minutes or more and the indoor coil temperature has been 5 F or below for 3 minutes the coil frost protection will start Coil frost pr...

Page 34: ...speed LOW 2 Fan speed HIGH 10 60 70 10 60 70 SWING SWING 30 10 60 70 2 Fan speed HIGH 10 60 70 30 AUTO RETURN AUTO RETURN AUTO RETURN 1 Fan speed LOW 4 Detecting abnormalities in the outdoor unit Aft...

Page 35: ...1 Press POWER ON OFF button 2 Press the COOL DRY button to set operation mode to DRY NOTE Cool and DRY are alternately displayed each time COOL DRY button is pressed 3 To set desired temperature pres...

Page 36: ...t ON the compressor will operate for 2 more min utes and then stop for 3 minutes If the room temperature thermistor reads below 75 F with thermostat ON the compressor will stop for 3 minutes If the th...

Page 37: ...30 downward discharge in COOL mode the direction auto matically changes to 10 10 1 30 downward 2 60 downward 3 70 downward 4 SWING 5 2 3 Auto vane control Remote controller display Changes by pressin...

Page 38: ...peration press POWER ON OFF button This setting will stop the air conditioner in 8 hours With the lapse of time time display changes in 1 hour units showing remaining time Timer setting example AUTO S...

Page 39: ...e controller 3 Press MODE button to check that cool air is being dis charged 4 Press AIR DISCHARGE button to check auto vane opera tion 5 Check outdoor fan operation 6 Check compressor operation refer...

Page 40: ...e function is working release the protective function before starting the emergency operation CAUTION When the self diagnostic function indicates a check code of P5 drain pump malfunction DO NOT start...

Page 41: ...SW18 4 Switch for temperature unit OFF C Celsius ON F Fahrenheit SW18 5 Not for use SW18 6 Switch for auto vane display OFF Auto vane display absent ON Auto vane display present SW18 7 Switch for swin...

Page 42: ...t coil frost prevention Provided 34 F For all current models Not provided 36 F For previous special models J1 6 Not for use J1 7 Not for use J1 8 Not for use J1 9 Switch for detecting abnormalities in...

Page 43: ...Not for use 4 INDOOR FAN CONTROL Indoor fan relay output a During fan ON The indoor fan relay turns ON One second later the phase control will start b During fan OFF The phase control turns OFF One s...

Page 44: ...er power button is turned ON operating display appears but disappears soon 1 Short circuit of indoor outdoor connect ing wire 2 Short circuit of transmission wire 3 Wrong operation of remote controlle...

Page 45: ...the unit address goes back by one The check code and the unit address appear alternately 2 The check code U8 means no malfunction has occurred since installation The check code EO means the following...

Page 46: ...tton on the remote controller to advance or go back to the unit address Each time SET TEMP button is pressed the unit address advances by one Each time SET TEMP button is pressed the unit address goes...

Page 47: ...ce the indoor controller board P5 Malfunction of drain pump 1 Malfunction of drain pump 2 Damaged drain sensor 1 Check the drain pump 2 Check the drain sensor Check the drop of water is on If the resi...

Page 48: ...ermostat Phenomena Outdoor unit Indoor unit 1 2 1 2 OFF The outdoor unit stops ON Operation stops 9 minutes later the check code P8 appears on the remote controller display OFF Operation stops ON 9 mi...

Page 49: ...utdoor connect ing wire shorts Compressor protector is damaged Outdoor controller board is defective Remote controller is damaged Transmission wire is poorly connected Transmission wire is damaged Con...

Page 50: ...10 20 30 40 50 4 14 32 50 68 86 104 122 Thermistor for lower temperature Temperature F Resistance K Thermistor Characteristic graph Room temperature thermistor RT1 Pipe temperature thermistor RT2 The...

Page 51: ...y each remote controller During remote ON OFF control a message of CENTRALLY CONTROLLED is displayed on the LCD of the remote controller This is available for both one unit control and several units c...

Page 52: ...Be sure to set SW2 correctly following the instructions below 1 Each lever of SW2 shows the number as follows SW2 1 1 SW2 4 8 SW2 2 2 SW2 5 16 SW2 3 4 SW2 6 32 2 Total number of levers turned to ON s...

Page 53: ...nd the other as the sub controller using dip switch SW17 7 of the remote controller 3 1 How to set SW17 7 See Figure 5 1 For the main remote controller turn SW17 7 OFF 2 For the sub remote controller...

Page 54: ...hout a special control board Remote control cables are can be extended up to 550yards When the cable length exceeds 33ft use the double insulated two core cable such as Belden 9407 Also the cable thic...

Page 55: ...unit No 2 unit No 3 unit Multiple remote control ON OFF display Field supply Operation check System Power supply RL 1 GL 1 Multiple Remote Control Display Multiple remote controller adapter connect t...

Page 56: ...e cover 3 Disconnect the connectors on the indoor controller board 4 To unhook the catches on the right hand side of the indoor controller board pull the left hand side toward you and lift up the cove...

Page 57: ...k the catch on the panel from the catch on the unit 2 Slide the left side panel to the left to remove the panel Note Fix the unit to the metal fixture securely 3 Remove the air filters 4 Hold and pres...

Page 58: ...eft and right motor supports and remove the motor supports and the fan motor See Photo 9 8 Remove the 2 screws on the left and right sides of the heat exchanger and pull the bearing support toward you...

Page 59: ...g Diagram Symbol Q ty set 1 2 3 4 5 6 7 8 9 FRONT PANEL SCREW CAP FILTER CATCH AIR FILTER SERVICE PANEL UNDER COVER CORNER COVER BOX ASSEMBLY BACK PLATE 1 4 2 2 1 1 1 1 1 R01 47J 651 R01 KV5 096 R01 A...

Page 60: ...1 2 1 1 4 1 1 1 1 1 2 1 1 4 1 1 1 1 1 2 1 1 4 1 1 1 1 1 2 1 1 4 1 1 1 1 R01 12G 662 R01 12G 691 R01 12G 812 R01 E01 812 R01 12G 811 R01 E00 811 R01 A17 500 R01 12G 661 R01 12G 808 R01 E01 641 R01 12G...

Page 61: ...1 5 1 2 1 1 1 1 1 1 1 5 1 2 1 1 1 1 1 1 1 5 1 2 1 1 1 1 1 1 1 5 1 2 1 1 1 1 R01 12G 662 R01 16G 812 R01 E00 812 R01 16G 811 R01 E01 811 R01 A17 500 R01 12G 661 R01 12G 691 R01 16G 692 R01 16G 808 R01...

Page 62: ...SLEEVE DRAIN HOSE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 MF MV PK4W40 K R01 566 103 R01 KV5 106 R01 KV5 102 T7W 51J 675 T7W 52J 675 R01 KV5 135 R01 KV5 105 T7W B04 762 R01 KV5 130 T7W B04 223 R01 KV5 530 R01 K...

Page 63: ...1 1 1 2 1 1 2 1 1 1 R B R B I B F1 I B TB2 TB4 5 T C RT1 RT2 33ft 250V 6A 2P L1 N 2P 1 2 7 F R01 KW2 002 R01 KV5 059 R01 KV5 038 T7W A00 305 T7W E03 049 T7W E01 713 T7W B04 200 T7W 351 077 T7W B04 31...

Page 64: ...FLOW FAN HEAT EXCHANGER HEAT EXCHANGER DRAIN PAN DRAIN PAN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 R01 005 103 R01 Z61 102 R01 13G 114 T7W B04 480 T7W B06 480 T7W B04 529 T7W E13 529 FK2 FK 1 1 1 1 1...

Page 65: ...01H02 MV RT1 RT2 TB4 5 TB2 C I B F1 2 I B T MF R B R B 33ft ROOM TEMPERATURE PIPE INDOOR COIL TEMPERATURE 2P 1 2 2P L1 N 8 F 440V 250V 6A R01 12G 063 R01 12G 621 R01 12G 002 R01 KV5 527 R01 12G 223 T7...

Page 66: ...OUNT LEFT LINE FLOW FAN HEAT EXCHANGER DRAIN PAN DRAIN PAN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 R01 005 103 R01 Z61 102 R01 17G 114 T7W B05 480 T7W B05 529 T7W E14 529 FK2 FK 1 1 1 1 1 FK1 FK2 FK F...

Page 67: ...01H02 MV RT1 RT2 TB4 5 TB2 C I B F1 2 I B T MF R B R B 33ft ROOM TEMPERATURE PIPE INDOOR COIL TEMPERATURE 2P 1 2 2P L1 N 8 F 440V 250V 6A R01 12G 063 R01 12G 621 R01 16G 002 R01 KV5 527 R01 12G 223 T7...

Page 68: ...TA with set back function Model Name Program timer Parts name Program timer Parts No PAC SC32PTA Exterior dimensions inch 5 4 32x4 23 32x23 32 130x120x18mm Installation Wall mount Type of clock Quartz...

Page 69: ...sly advances by 1 minute at 0 5 second interval and when the lower digit of minute becomes 0 indication advances in 10 min utes unit SW is used for reversing the time Each time the button is pushed th...

Page 70: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice...

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