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Mitsubishi Electric Mr.Slim PKH36FK, Technical & Service Manual

The Mitsubishi Electric Mr.Slim PKH36FK is a powerful air conditioning unit designed to efficiently cool or heat your space. To understand its technical aspects and service requirements, make sure to download the free Technical & Service Manual from our website, manualshive.com, allowing you to properly operate and maintain this exceptional product.

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75

No.

Parts No.

Parts Name

Specifications

Remarks

(Drawing No.)

Wiring

Diagram

Symbol

Q'ty / set

PUH

18EK

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

PROPELLER

FAN MOTOR

OUTDOOR CONTROLLER BOARD

FUSE

TERMINAL BLOCK

CONTACTOR

FAN CAPACITOR

TRANSFORMER

COMPRESSOR CAPACITOR

OUTDOOR COIL THERMISTOR

OVERCURRENT RELAY

COMPRESSOR

CRANKCASE HEATER

R.V.COIL

4-WAY VALVE

CONTROL HIGH PRESSURE SWITCH

PROTECT HIGH PRESSURE SWITCH

FUSIBLE PLUG

B.V.COIL

BYPASS VALVE

OIL SEPARATOR

CAPILLARY TUBE

RESTRICTOR VALVE

CAPILLARY TUBE

STRAINER

ACCUMULATOR

CHARGE PLUG

BALL BALVE

OUTDOOR HEAT EXCHANGER

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

MF

O.B.

F

TB1

TB3

52C

C1

T

C

RT

51C

MC

HC

21S4

63H1

63H2

21R

OUTDOOR FUNCTION

S6V-85FPH

250V 6A

3P(L1,L2,GR)

3P(1,2,3)

S-U12 208/230V

3

µ

F 440V

RED:12.3VAC,0.06A

BRN:12.3VAC,0.06A
30

µ

F 370V

MRA98881-90

RH-247NAB

240V 30W

OPEN psiG 363

OPEN psiG 469

0.098

o

0.024

o

39.4

0.157

o

0.079

o

33.5

3/8

5/8

R01 A00 115

T7W 850 763

T7W A30 315

T7W 410 239

T7W 850 716

R01 377 246

T7W A30 708

R01 576 255

T7W A30 799

T7W 969 723

R01 J01 202

T7W 969 238

T97 665 600

T7W 850 236

T7W 875 242

T7W 875 403

R01 A00 208

T7W A30 208

T7W 973 507

T7W 869 242

R01 272 428

R01 V39 490

R01 A00 425

R01 L11 418

T7W 851 425

R01 A04 450

R01 A08 440

R01 590 413

R01 943 413

R01 943 410

R01 951 411

R01 A10 408

w

This part is not shown in the illustration.

OC120--3.qxp  24/6/97 1:01 AM  Page 75

Summary of Contents for Mr.Slim PKH36FK

Page 1: ...SUBISHI ELECTRIC CENTRALLY CONTROLLED STAND BY DEFROST ON CHECK DRY COOL HEAT CHECK SET TEMP TIMER OFF AUTO STOP AUTO START F HR F LOW HIGH AUTO RETURN CHECK TEST RUN POWER ON OFF HEAT SET TEMPERATURE AUTO COOL DRY COOLER WARMER TIMER MODE HOURS FAN SPEED LOW HIOGH AIR DISCHARGE UP DOWN SWING STOP CHECK TEST RUN REMOTE CONTROLLER The Slim Line From Mitsubishi Electric PKH18FK PUH18EK PKH24FK PUH24...

Page 2: ...rant piping in 4 directions and drain piping in 2 directions 3 Back plate installation 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 makes left side piping work much easier 4 Front power supply box The front power supply box allows electrical wiring ...

Page 3: ...he refrigerant to its optimum condition regardless of the length of 164ft maximum or 25ft minimum The additional refrigerant charging work at the field which often caused uncertain problems heretofore is completely eliminated This unique system serves to improve the quality of work and reliability and also helps to speed up the installation work With normal circulation systems a high pressure refr...

Page 4: ...to install a number of units in a compact arrangement at a single site The outdoor unit allows for unheard of flexibility in detemining a piping layout thus greatly simplifying installation 9 FRONT ACCESS FACILITATES MAINTENANCE The outdoor unit has been designed with a frontaccess service panel that allows easy access to all maintenance point regardless of the installation layout What s more this...

Page 5: ...Y 7 7 0 8 208 230 1 60 15 12 0 5 7 6 8 4 1 6 1 9 710 530 640 480 43 35 1 57 PUH24EK Munsell 5Y 7 1 208 230 1 60 20 16 0 65 0 65 NH33NBD 11 5 54 0 16 0 17 33 39 Capillary tube Reverse cycle 55 49 9 16 202 With indoor unit Indoor unit remote controller DC12V Indoor unit outdoor unit DC12V Not supplied optional parts Flared Flared 9 1 4 13 3 8 PKH30FK 30 000 33 000 39 100 40 500 19 000 25 100 26 500 ...

Page 6: ... 0 15 2 13 6 13 1 12 6 14 2 16 3 18 0 15 8 15 4 14 9 19 0 21 5 23 5 20 7 20 1 19 4 20 2 23 1 25 6 22 5 21 8 21 0 TPC 1 99 1 93 1 88 1 87 1 84 1 83 2 63 2 55 2 47 2 47 2 41 2 39 3 48 3 37 3 27 3 26 3 21 3 19 3 83 3 71 3 61 3 59 3 52 3 50 TC 17 6 16 3 15 1 15 0 14 2 13 9 23 4 21 7 20 1 19 9 18 9 18 5 29 3 27 1 25 1 24 9 23 5 22 9 33 4 30 9 28 7 28 4 26 9 26 4 SHC 12 1 13 4 14 4 12 9 12 4 12 0 13 5 1...

Page 7: ... 5 32 8 33 3 33 9 43 2 43 7 44 6 49 6 50 4 51 3 PC 1 99 1 91 1 83 3 01 2 90 2 78 3 86 3 72 3 56 4 49 4 28 4 14 CA 5 5 6 5 5 5 6 5 6 1 7 5 6 1 7 5 PC 1 6 1 9 1 6 1 9 1 8 2 2 1 8 2 2 IWB F 15 25 35 45 55 65 Auxiliary heater 208V 230V 710 710 990 990 Airflow CFM PKH24FK PKH30FK PKH36FK Notes 1 IDB Intake air dry bulb temperature CA Capacity x103 Btu h PC Power Consumption kW 2 When booster heater is ...

Page 8: ... 75 75 2 PERFORMANCE CURVE NOTES A point on the curve shows the reference point PKH18FK COOLING CAPACITY PKH18FK HEATING CAPACITY PKH24FK COOLING CAPACITY PKH24FK HEATING CAPACITY Does not include booster heater 1 9kW Total power consumption kW Total capacity x10 3 Btu h 30 24 18 12 2 5 2 0 1 5 1 0 15 25 35 45 55 65 Total power consumption kW Total capacity x10 3 Btu h Outdoor intake air DB temper...

Page 9: ...ndoor intake air DB temperature F indoor intake air DB temperature F Does not include booster heater 2 2kW 65 70 75 75 70 65 Total capacity x10 Btu h 3 Total power consumption kW 42 36 30 24 4 5 4 0 3 5 3 0 2 5 Total capacity x10 Btu h 3 indoor intake air WB temperature F SHF 0 71 Total power consumption kW Outdoor intake air DB temperature F indoor intake air WB temperature F 0 23 32 35 45 55 65 ...

Page 10: ...sing pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 80 75 70 100 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 psi G Condensing pressure 30 35 20 25 45 55 65 40 50 60...

Page 11: ... 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 80 75 70 100 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 psi G Condensing pressure 30 35 20 25 45 55 65 40 50 60 70 Outdoor ambient te...

Page 12: ... 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 110 100 90 80 70 60 50 40 30 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F Indoor DB temperature F 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 140 psi G Condensing pressure 30 35 20 25 45 55 65 40 50 60 70 Outdoor ambient t...

Page 13: ...50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 90 80 70 60 50 40 30 20 psi G Suction pressure 30 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F 86 80 75 70 Indoor DB temperature F Indoor DB temperature F 390 380 370 360 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 psi G Condensing pressure 30 35 20 25 45 55 65 40 50 60 70 Outdoor ambient temp...

Page 14: ... Heating PKH18FK 208 230 2 36 0 5 0 65 0 65 9 3 8 7 240 75 158 115 46 141 80 67 58 56 95 75 24 000 0 71 60 Cooling 208 230 2 37 0 5 7 6 8 4 0 65 0 65 9 5 8 7 243 63 149 115 35 126 70 60 105 70 47 43 25 000 Heating PKH24FK 208 230 3 12 0 5 0 75 0 75 12 6 11 8 245 80 158 115 49 138 80 67 59 58 95 75 30 000 0 75 60 Cooling 208 230 3 02 0 5 7 6 8 4 0 75 0 75 12 2 11 4 236 60 159 113 32 130 70 60 103 7...

Page 15: ... 0 70ft 0 0 0 0 85ft 0 0 0 0 100ft 0 0 0 0 115ft 2 2 5 5 130ft 4 4 10 10 150ft 7 16 16 164ft 9 20 20 Refrigerant piping length one way PKH18FK PKH24FK PKH30FK PKH36FK 5 lbs 8 oz 9 lbs 15 oz 10 lbs 2 oz 10 lbs 9 oz 5 OPERATING RANGE 1 POWER SUPPLY 6 OUTLET AIR SPEED AND COVERAGE RANGE 7 ADDITIONAL REFRIGERANT CHARGE R 22 oz 1 Phase 60Hz 208 230V Guaranteed voltage range 2 OPERATION Min Max 198V 208...

Page 16: ... 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 16 B 55 1 8 20 9 16 4 23 32 2 5 32 4 1 32 4 3 8 Air outlet 20 9 16 Air outlet Change vane manual Under panel Removable at left hand side piping Knock out hole for under piping Refrigerant pipe Drain pipe Rear piping opening Range for left rear piping op...

Page 17: ... 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 17 32 3 15 16 3 15 16 5 32 5 32 2 29 32 2 29 32 2 9 16 3 27 32 1 17 32 Lower side 2 1 Knock out hole for wiring 2 or more 10 or more 9 1 4 1 25 32 9 1 4 1 25 32 9 1 4 1 25 32 9 1 4 1 2 1 25 32 2 15 32 1 2 11 5 8 23 32 Wall fixture U...

Page 18: ...or right piping refrigerant drainage and wiring 15 7 8 7 1 18 20 5 18 17 3 18 1 2 13 7 4 13 7 8 21 3 4 2 3 8 20 5 8 1 9 16 33 9 16 34 1 4 11 7 8 7 9 32 7 9 32 Front opening Service space for N E C 1 2 36 36 4 Note Allow adequate upper clearance 1 2 8 1 2 1 9 161 1 16 13 14 1 4 11 16 9 16 19 11 16 Refrigerant pipe Flared 3 8 Outlet guide installation hole 1 40 1 2 Outdoor Unit Necessary surrouding ...

Page 19: ...rainage and wiring 3 1 4 20 5 8 20 5 8 2 3 8 13 9 16 23 1 16 1 2 15 1 16 37 34 2 3 8 20 5 8 1 9 16 49 1 2 34 1 4 11 7 8 7 9 32 7 9 32 Front opening Service space for N E C 3 8 36 36 4 Note Allow adequate upper clearance Outdoor Unit necessary surrounding clearance 1 2 12 1 2 1 9 161 1 16 13 14 1 4 11 16 9 16 19 11 16 Refrigerant pipe Flared 3 8F Outlet guide installation hole 1 40 1 2 Outdoor Unit...

Page 20: ... 8 20 5 8 2 3 8 13 9 16 23 1 16 7 8 1 5 16 15 1 16 37 3 4 2 3 8 20 5 8 1 9 16 49 1 2 38 3 16 13 7 8 7 9 32 7 9 32 Front opening Service space for N E C 1 2 36 36 6 Note Allow adequate upper clearance Outdoor Unit necessary surrounding clearance 1 2 12 1 2 1 9 16 1 1 16 14 31 32 16 1 4 11 16 9 16 23 5 8 Refrigerant pipe Flared 3 8F Outlet guide installation hole 1 40 1 2 Outdoor Unit Necessary surr...

Page 21: ... AUTO DRY HEAT COOL ON CHECK TEST RUN LOW HIGH ON OFF POWER SET 3 5 8 3 5 8 5 8 2 3 4 TIMER MODE HOURS FAN SPEED LOW HIGH AIR UP DOWN SWING STOP DISCHARGE CHECK TEST RUN 4 3 4 4 3 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 wiring arrangement opening Rear side wiring arrangement opening Unit mm Remote controller PKH series ...

Page 22: ... unit heat exchanger may freeze 6 After every operation switch the fan connector to FAN1 and set all dip switches SW3 I B to OFF BG79N687H01 fig w2 fig w1 MF C I B FAN1 CND POWER CNT TRANS LED2 5V POWER SW3 SW7 ZNR LED1 12V POWER CN21 PIPE CN20 INTAKE CNGV VANE CN22 CN30 CN21 LOSSNAY CN50 DRAIN CN27 D U M CN24 HEATER CN24 HEATER CN40 CN4T TRANS F2 L1 L2 GR F1 RED RED RED RED BRN BRN RED BLE WHT WH...

Page 23: ... FROM INDOOR UNIT CONNECTING WIRES 12V DC polar L1 L2 GR GRN TB1 POWER SUPPLY 1 208 230V 60Hz 3 2 1 CN3 CN4T 4 3 2 1 CN4 4 3 2 1 BRN 12 3V AC RED 12 3V AC MF BLU BLU WHT BLU WHT WHT RED RED ORN ORN C1 MF2 MF1 FC 26C 63H2 63H1 63H1 51CM 5 BRN BRN YLW YLW YLW YLW RED RED BLU 63H2 MC R C C S 2 1 51C 52C BLU BLU WHT RED WHT U R T W RED RED RED ORN BLK BLK T 208V 230V 21R RED RED RED RED SV WHT WHT TRF...

Page 24: ...3 2 1 BRN 12 3V AC RED 12 3V AC MF1 BLU BLU WHT WHT BLU WHT RED RED ORN ORN C1 MF2 YLW YLW BLU WHT BRN WHT WHT BRN BLU BLU C1 MF2 MF1 FC 26C 63H2 63H1 63H1 51CM 5 BRN BRN YLW YLW YLW YLW RED RED BLU 63H2 MC R C C S 52C BLU BLU WHT RED WHT U R T W RED RED RED ORN BLK BLK T 208V 230V 21R RED RED RED RED SV WHT WHT TRF 21 S4 BLK BLK BLK BLK 21S4 52C GRY GRY GRY GRY 52C WHT WHT CH ZNR R 1 S 2 T 3 BLU ...

Page 25: ...ube 0 126x 0 063 x17 3 x2 Refrigerant pipe option 3 8 with heat insulator Refrigerant pipe option 5 8 with heat insulator Ball valve with service port Ball valve Strainer Strainer Strainer Flared connection Accumulator Muffler Flexible tube Compressor Service port check Service port check Fusible plug Bypass valve Oil separator 4 way valve Control high pressure switch Protect high pressure switch ...

Page 26: ... STOP Auxiliary heater OFF Compressor OFF Fan STOP Four way valve OFF MAIN OPERATION w1 In addition the centralized and remote control can be operated w2 The modes which indicate the sources of trouble are listed below EO Signal transmitting receiving error P1 Room temperature thermistor malfunction P2 Indoor coil thermistor malfanction P4 Drain sensor malfunction P5 Drain over flow P6 Coil frost ...

Page 27: ...il tempreature is 50 F or higher 3 minute time delay Coil frost prevention release Aliowance period 6 minute time delay Allowance set 1 min continue Coil frost protection FAN speed LOW FAN speed LOW 5 min elapse Outdoor unit trouble COOLING OPERATION w8 When operation stops or changes to cooling or dry mode the auto vane turns to a horizontal angle IF opera tion changes during auto vane SWING the ...

Page 28: ...ter ON 6 minute restart prevention Allowance set Compressor OFF Indoor piping 95 F or higher HOT adjust 6 min elapse FAN SPEED Low FAN SPEED Low 2 min elapse FAN SPEED setting notch Hot adjust release PKH FK Type 3 minute Auxiliary heater OFF Indoor coil thermstor is 60 C or higher FAN speed Low notti Airflow 10 up FAN setting notch Auto COOL HEAT operation Initial mode T1 T0 COOL mode HEAT mode C...

Page 29: ...set the fan speed with the remote controller DRY OPERATION DRY operation Four way valve OFF Initial dry operation Room tempereature is 64 F or lower During compressor ON Compressor thermostat ON Vane intial setting Vane setting notch 10 minute compressor OFF timer start Compressor OFF Fan STOP 3 minute time delay 10 minute compressor OFF Compressor ON time set Compressor ON Fan speed LOW 1 Compres...

Page 30: ...PUT to remote controller Remote controller board Processes and transmits orders orders OUTPUT to remote controller 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 control operation w Emergency operation w Set by dipswitch on indoor controller board...

Page 31: ...during this period the compressor will not start until this period has ended 2 INDOOR UNIT CONTROL 2 1 COOL operation 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 alternately displayed each time COOL DRY button is pressed 3 To set desired temperature press WARMER or COOLER button NOTE Set temperature changes by 2 F in the ra...

Page 32: ...l frost protection Compressor stops for 6 minutes and then restarts If the start condition is satisfied again during the first 10 minutes of compressor operation both the indoor and outdoor units stop displaying a check code of P8 on the remote controller Termination conditions Coil frost protection is released when the start condition is not satisfied again during the allowance or when the COOL m...

Page 33: ...rection returns to the position of the last STOP mode When 60 degrees or 70 degrees discharge is selected with the LOW fan speed in COOL operation Auto RETURN will appear below the temperature display One hour later the discharge direction returns to 10 degrees automatically and AUTO RETURN will disappear If the discharge direction is set to 10 degrees during AUTO RETURN indication the time counti...

Page 34: ... been continuously operated for 3 minutes if the difference between the indoor coil temperature and room temperature is out of RANGE C for 1 minute the indoor fan speed will turn to LOW Five minutes later if the dif ference is still out of RANGE C the outdoor unit is functioning abnormally Thus the compressor stops and check code P8 appears on remote controler RANGE A Indoor coil temperature is mo...

Page 35: ...roller is higher than the set temperature The compressor stops when the room temperature displayed on remote controller is equal to or lower than the set temperature 3The compressor stops in check mode or during protective functions 4The compressor will not start when the room temperature displayed on remote controller is below 64 F The compressor starts intermittent operation when the power is tu...

Page 36: ...emote con troller falls below set tem w w w w w2 Even if the room temperature displayed on remote controller rise above the set temperature during this period the compressor will not start until this period has ended HEAT operation time chart 2 3 HEAT operation How to operate 1 Press POWER ON OFF button 2 Press HEAT button to set operation mode to HEAT 3 To set desired temperature press WARMER or ...

Page 37: ... mode changes to other mode or when thermostat turns OFF 2 Indoor fan control a Nomal control The indoor fan runs on EXTRA LOW speed during the thermostat OFF EXTRA LOW speed can be changed to LOW or HIGH speed by setting the J1 7 J1 8 If the indoor coil tempera ture becomes more than 9 degrees below the room temperature during the thermostat OFF the indoor fan will stop After when the indoor coil...

Page 38: ...e outdoor unit is determined to be abnormal by the following causes the compressor will stop and the check code P8 will appear on the remote controller display 1 During compressor ON after hot adjustment 1 If the difference between the indoor coil temperature and room temperature is in the RANGE B the indoor fan will stop 2 Within 20 minutes after entering RANGE B except for the first 10 seconds a...

Page 39: ...l temperature and room temperature gets out of RANGE A and into RANGE B the indoor unit starts the defrosting mode After the out door unit stops the defrosting operation when the temperature difference returns to the RANGE A the indoor unit stops the defrosting mode While the indoor unit is in the defrosting mode the indoor fan and the booster heater stop w1 RANGE A Indoor coil temperature is more...

Page 40: ... operation mode can not be changed for 15 minutes degree To 4 To Set temperature 19 28 To 2 To To 2 To 4 Compressor Start HEAT mode HEAT mode Mode change 15 minutes Mininum 3 minutes 15 minutes Mininum 3 minutes COOL mode COOL HEAT ON OFF 15 8 32 50 68 86 104 115 F 17 F Cooling range Outside air temperature Heating range 10 F 2 4 AUTO operation Automatic COOL HEAT change over operation How to oper...

Page 41: ...DOWN button The discharge direction shifts to 10 regardless of the remote controller settings under any of the following conditions Thermostat OFF Defrosting Indoor fan speed EXTRA LOW in hot adjustment Available in COOL operation with fan speed on HIGH or in HEAT operation Unavailable in DRY operation If fan speed changes from LOW to HIGH during 30 downward discharge in COOL mode the direction au...

Page 42: ...esistance between the power supply teminal block and ground to make sure that it is at least 1 0MΩ Attention Do not use the air conditioner if resistance is less than 1 0MΩ This setting will stop the air conditioner in 8 hours With the lapes of time time display changes in 1 hour units showing remaining time Timer setting example 2 6 TIMER operation How to operate 1 Turn ON main breaker 2 Press TE...

Page 43: ...elease 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 the emergency operation because the drain may overflow How to operate 1 For emergency cooling set the dipswitch SW3 1 to ON and SW3 2 to OFF For emergency heating set the dipswitch SW3 1 2 to ON Code 1 40 34 F 9 113 F 2 50...

Page 44: ...h PZ 05SLB2 E LOSSNAY control switch PZ 05SLB2 E Mr SLIM Mr SLIM Remote controller Remote controller Remote display adapter PAC SA88HA E Power supply Power supply Junction box field supplied Mr SLIM 10m Insulation is needed Connecting wire 0 13mm or over Circuit breaker field supplied Connecting wire solid wire 1 6 or 2 0 field supplied WHT WHT RED RED ORN YLW Relay box Remote controller Indoor co...

Page 45: ...etween FAN mode and AUTO mode Provided Fan mode for models without heat pump Not provided AUTO mode for models without heat pump J1 4 Switch for drain pump Provided The drain pump works in only COOL operation Not provided The drain pump works in both COOL and HEAT operation J1 5 Switch to change the temperature to start coil frost prevention Provided 34 F For all current models Not provided 27 F F...

Page 46: ...ded Even if an abnormality occurs it can not be detected J1 10 Switch for auto restart function Previded This function does not work Not provided This function works 2 SW2 Address selector Used in setting the unit address for group control For further information refer to page 57 3 SW3 Emergency operation switch 4 J5 Model selector J5 2 Prouided For models with heat pump Not Previded For models wi...

Page 47: ...ssor will stop running and the check mode will start 3 The protective function is memorized 4 The memory is cleared when the POWER ON OFF button on the remote controller is turned OFF However the check mode display continues until the outdoor unit receives the operation ON command from the indoor unit 3 4 COOL HEAT operation time chart 10 minutes 1 ON Thermostat Outdoor fan 4 way valve co o l 4 wa...

Page 48: ...ompressor operation exceeds defrost interval Further information on the defrost interval is described in 3 C After the total time of compressor operation exceeds the defrost interval the thermostat repeats ON OFF three times Two minutes after the fourth ON of the thermostat if the outdoor coil thermistor reads 23 F or below and the fan out put output is 100 defrosting will start NOTE The count of ...

Page 49: ...ve returns to OFF 2When the compressor operates with the bypass valve at ON for more than 30 minutes the bypass valve turns OFF 3When the compressor stops with the bypass valve at OFF the bypass valve turns ON and remains ON for three min utes Heating mode 1When the unit starts for the first time after the circuit breaker has been turned ON or when it starts after the compressor OFF of 30 minutes ...

Page 50: ...again 2SW3 setting is changed 3The compressor stops 4Defrosting operation starts 3 Function of switches on the outdoor controller board SW1 Clears the check code memory push button switch SW2 Switches the output state indication and the check code display push button switch SW3 1 2 Switches the output state indication items dip swtich For further information refer to page 50 4 100 fan output Fan o...

Page 51: ... 1 Short circuit of indoor outdoor connect ing wire 2 Short circuit of transmission wire 3 Short circuit of drain sensor heater cir cuit 4 Wrong operation of remote controller due to noise wave emitted by other appliances 1 2 Check the wire 3 Measure the resistance of the drain sensor connector CN50 1 3 Normal resistance should be 82Ω 4 Turn the circuit breaker OFF and then turn ON If the remote c...

Page 52: ...t 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 conditions The unit address displayed on the remote controller does not apply to any unit power is not supplied to the unit Signal transmitting receiving circuit is abnormal 3 Check and repair the unit accor...

Page 53: ...function of drain pump 1 Malfunction of drain pump 2 Damaged drain sensor 1 Check the drain pump 2 Check the drain sensor Check the drain sensor heater Normal resis tance should be 82Ω If the resistance is normal replace the indoor con troller board P6 Coil frost protection is work ing 1 Short cycle of air cycle 2 Dirty air filter 3 Damaged fan 4 Abnormal refrigerant 1 Clear obstructions from the ...

Page 54: ...tput state and check code alternate ly When SW2 is turned On with SW3 1 OFF and SW3 2 ON the compulsory defrosting starts SW3 Output state indication items depend on the combination of SW3 1 ON OFF and SW3 2 ON OFF Changed alternately by pressing SW2 SW3 1 SW3 2 OFF OFF Check code Output state Outdoor coil temperature bit Fan output step bit Total time of compressor operation Hr OFF OFF OFF ON ON ...

Page 55: ...ing operation the operation stops and restarts after the 3 minutes time delay mode When the protection function works again the operation stops Check mode When both SW3 1 and SW3 2 are OFF the check code is indicated If the outdoor controller board receives the compressor ON command from the indoor controller board during check mode the indication changes to output state indication By pressing SW2...

Page 56: ... 51C function 51C was connected incor rectly 51C was working Check 51C the compressor and power supply LD6 Thermal switch 26C function 26C was connected incor rectly 26C is working Check 26C Check if refrigerant supply is low Check if the capillary tube is clogged LD7 Over heat protection The thermistor is broken Coil temperature is over 153 F Measure the resistance of the thermistor Check the out...

Page 57: ...eration stops 9 minutes later check code P8 appears on remote controller display HEAT OFF Operation stops ON Operation stops 27 minutes later check code P8 appears on remote controller display Outdoor Indoor 1 2 3 1 2 3 COOL OFF Outdoor unit stops ON Operation stops 9 minutes later check code P8 appears on remote controller display HEAT OFF Operation stops ON Operation stops 27 minutes later check...

Page 58: ...roller board deems the auto vanes are not attached to the unit Horizontal anlgle can not be detected In this case remote controller is normal Power ON OFF button is not available Beep sound is heard but display is turned OFF Beep sound is not heard and display remains OFF Indoor outdoor connect ing wire is connected incorrectly Indoor outdoor connect ing wire shorts Compressor protector is damaged...

Page 59: ...its operate according to the latest command from either remote controller 3 Individual control by grouping remote controllers See page 61 Unit Remote controller Unit Unit By grouping the remote controllers in one place several units installed at different locations can be controlled indi vidually and operation conditions of all units are visible without a special control board The control method i...

Page 60: ...system error 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 shows the address of the unit For example to set No 3 unit turn ON SW2 1 and SW2 2 3 In this way set from the master unit to the last unit Do not forget to set the master No 0 unit 2 3 Unit...

Page 61: ...ration be sure to set one remote controller as the main controller and 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 turn SW17 7 ON 3 2 Remote controller LCD indication 1 The same indications always appear on both the main and sub remote con troller...

Page 62: ...lized monitoring of units installed in different places without a special control board Remote control cables are extendable up to 500m When the cable length exceeds 12m use the double insulated two core cable such as Belden 9407 Also the cable thickness must be No 22 AWG or above When gathering the power ON OFF switches of air conditioners near the remote controllers you should also install the p...

Page 63: ...g to power supply voltage CN51 connector 5P GREEN Power supply Electrical insulation is needed Wiring at the actual place Optional multiple display adapter The maximumdistance between indoor board and relay is 10m YELLOW ORANGE RED BROWN 5 X1 X1 RL GL X2 X2 1 Wiring Power supply Remote controller cable Relay box Field supply Remote controller Remote controller Remote controller 3wires 3wires 3wire...

Page 64: ...cal parts box cover and remove the 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 cover to the right Then the indoor controller board can be removed 4 Removing the ielectrical parts box 1 Remove the right side panel 2 Remove the screw of the electrical ...

Page 65: ...he 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 press the center cover to remove 5 Remove the screws of the grills 6 Pull the lower side of the grill toward you and slide the upper to the right to remove the grills 7 Removing the drain pan 1 Remove the le...

Page 66: ...nger toward you and remove the lineflow fan 9 Removing the electrical heater 1 Remove the left and right side panels 2 Remove the grills 3 Remove the drain pan 4 Loosen the screw that fixes the lineflow fan to the fan motor See Photo 7 5 Remove the screw of the center support and remove the support See Photo 10 6 Remove the 2 screws on the left and right sides of the heat exchanger and pull the be...

Page 67: ...y pulling towards you 2 Fan motor 1 Remove front panel 3 screws Open the panel to a 45 degree angle and lift to remove The panel is clasped at three points on the left side 2 Remove propeller 1 set nut 3 Remove fan motor 3 screws Remove lead connectors 13 4 Outdoor unit PUH18EK Photo 1 Outdoor controller board Transformer Capacitor Contactor Terminal block Screws Photo 2 Propeller Motor support Se...

Page 68: ...4 screws 5 Remove motor support 2 screws 6 Remove valve bed 5 screws The valve bed is clasped on the right and left sides Lift to remove 7 Remove the electrical parts box Remove the respective connectors from highpressure switch crank case heater shell thermo and fan motor lead 8 Remove separator 2 screws 9 Remove heat exchanger 2 screws Disconnect the welded section of pipe 10 Remove compressor 3...

Page 69: ...anel down and remove it by pulling towards you 2 Fan motor 1 Remove front panel 3 screws Open the panel to a 45 degree angle and lift to remove The panel is clasped at three points on the left side 2 Remove propeller 1 set nut 3 Remove fan motor 3 screws Remove lead connectors 13 5 Outdoor unit PUH24EK Screws Panel cover Photo 1 Compressor protector Run capacitor 52C relay Terminal block Screws Ph...

Page 70: ... screws The valve bed is clasped on the right and left sides Lift to remove 7 Remove the electrical parts box Remove the respective connectors from highpressure switch Low pressure switch crank case heater shell ther mo and fan motor lead 8 Remove separator 2 screws 9 Remove heat exchanger 2 screws Remove piping weld zone 10 Remove compressor 3 set nuts Remove the weldment of the compressor suctio...

Page 71: ... 12G 661 R01 12G 662 R01 12G 691 R01 16G 692 R01 12G 500 R01 12G 811 R01 16G 811 R01 12G 812 R01 16G 812 R01 12G 641 R01 16G 641 R01 12G 523 R01 12G 808 R01 16G 808 RIGHT SIDE PANEL LEFT SIDE PANEL INTAKE GRILLE AIR FILTER NOSE UNDER PLATE TOP PLATE DRAIN SOKET BACK PLATE 1 1 2 4 1 1 1 1 1 1 1 2 4 1 1 1 1 1 1 1 2 1 5 1 1 1 1 1 36FK 1 1 2 1 5 1 1 1 1 1 PKH18FK PKH24FK STRUCTURAL PARTS PKH30FK PKH36...

Page 72: ...2 3 4 5 6 FAN MOTOR RUBBER MOUNT RIGHT LINEFLOW FAN LEFT LINEFLOW FAN SLEEVE BEARING 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 36FK 1 2 1 1 1 1 MF MF T7W BOO 762 T7W B01 762 R01 12G 105 R01 16G 105 R01 12G 115 R01 16G 115 R01 12G 114 R01 16G 114 R01 005 103 R01 12G 103 PKH 18FK PKH 24FK PKH 30FK PKH 36FK 24 33 34 14 21 ...

Page 73: ... 1 1 1 1 1 2 1 1 1 1 1 1 1 1 3 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 3 1 1 2 1 2 1 3 36FK 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 3 1 1 2 1 2 1 3 MV I B F1 2 I B TB2 TB4 C T RT1 RT2 R B TB5 H H 26H FS1 2 FS1 2 88H 88H 250V 6A 3P 1 2 3 2P L1 L2 2 5µF 440V INDOOR COIL 2P 1 2 240V 700W 240V 800W 117 C 10A 250V 117 C 15A 250V LY1F DC1 LY2F DC12V 12m R01 Z61 102 R01 KV5 102 T7W B02 529 T7W B03 ...

Page 74: ...74 PUH18EK FUNCTIONAL PARTS ...

Page 75: ...UTDOOR HEAT EXCHANGER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 MF O B F TB1 TB3 52C C1 T C RT 51C MC HC 21S4 63H1 63H2 21R OUTDOOR FUNCTION S6V 85FPH 250V 6A 3P L1 L2 GR 3P 1 2 3 S U12 208 230V 3µF 440V RED 12 3VAC 0 06A BRN 12 3VAC 0 06A 30µF 370V MRA98881 90 RH 247NAB 240V 30W OPEN psiG 363 OPEN psiG 469 0 098o0 024o39 4 0 157o0 079o33 5 3 8 5 8 R01 A00 115 T7W 850 763 T7W...

Page 76: ...76 PUH24EK FUNCTIONAL PARTS ...

Page 77: ...UTDOOR HEAT EXCHANGER 2 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 2 MF1 2 O B F TB1 TB3 52C C1 2 T C RT 51C MC HC 21S4 63H1 63H2 21R OUTDOOR FUNCTION S6V 60FPP 250V 6A 3P L1 L2 GR 3P 1 2 3 S K25UR 208 230 4µF 440V RED 12 3VAC 0 06A BRN 12 3VAC 0 06A 40µF 400V NH 33NBD 240V 43W OPEN psiG 363 OPEN psiG 469 0 098o0 024o39 4 0 126o0 063o17 3 3 8 5 8 R01 A00 115 T7W 851 763 T7W A30 315 ...

Page 78: ...78 PUH30 36EK FUNCTIONAL PARTS 36 37 36 37 6 3 4 8 12 5 23 33 1 1 24 2 28 17 18 19 20 7 27 33 29 32 16 21 22 34 35 15 13 14 30 31 9 10 11 ...

Page 79: ... 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 2 1 1 2 MF1 2 O B F TB1 TB3 52C C C C1 2 C1 2 T MC MC HC RT 21S 21S4 21R 63H1 63H2 OUTDOOR FUNCTION VC086DC 250V 6A 3P L1 L2 GR 3P 1 2 3 S K25UR 50µF 400V 60µF 360V 4µF 440V 3µF 440V RED 12 3VAC 0 06A BRN 12 3VAC 0 06A NH 41NAD NH 47NAD 240V 43W PIPE TEMPERATURE OPEN psiG 363 OPEN psiG 469 2 5o0 6 1000mm 0 157o0 079o23 6 0 157o0 079o17 7 1 2 3 4 R01 A00 1...

Page 80: ... 18EK 1 2 3 4 5 6 7 8 9 FRONT PANEL SERVICE PANEL SIDE PANEL FAN GUARD TOP PANEL PANEL COVER BASE ASSEMBLY REAR PANEL REAR GUARD 1 1 1 1 1 1 1 1 1 OUTDOOR FUNCTION R01 A08 668 R01 A08 661 R01 A08 662 R01 A00 675 R01 A00 641 R01 A00 658 R01 A00 686 R01 A08 682 R01 A08 698 PUH18EK STRUCTURAL PARTS ...

Page 81: ...ing Diagram Symbol Q ty set PUH 24EK 1 2 3 4 5 6 7 8 9 TOP PANEL FRONT PANEL FAN GUARD SERVICE PANEL SIDE PANEL LEFT REAR PANEL PANEL COVER REAR GUARD BASE ASSEMBLY 1 1 2 1 1 1 1 1 1 R01 A00 641 R01 A11 668 R01 A00 675 R01 A11 661 R01 A11 662 R01 A11 682 R01 A00 658 R01 A11 698 R01 A10 686 ...

Page 82: ... 2 3 4 5 6 7 8 9 TOP PANEL FRONT PANEL FAN GUARD SERVICE PANEL SIDE PANEL LEFT REAR PANEL PANEL COVER REAR GUARD BASE ASSEMBLY 1 1 2 1 1 1 1 1 1 36EK 1 1 2 1 1 1 1 1 1 R01 A14 641 R01 A14 668 R01 A00 675 R01 A14 661 R01 A14 662 R01 A14 682 R01 A00 658 R01 A14 698 R01 A14 686 PUH30 36EK STRUCTURAL PARTS ...

Page 83: ...2 degrees of setback As shown in the chart on the right the set temperature rises 2 degrees automatically during the setback operation When the setback operation ends nomal operation will begin 3 Weekly timer function Daily timer function can apply to each day of the week 1 REFRIGERANT PIPES FOR model PKH18 24FK Part No Pipe length Pipe size OD Connection method PAC 05FFS E 5m PAC 07FFS E 7m Liqui...

Page 84: ...is is the normal status SET MONITOR SET SET is used to set the time change the day of the week and program the daily and weekly timer Mode dispay Current time display Current day display Weekly timer display Set back display Daily timer dislay Clock adjustment button Used to adjust the current time Press button to advance the time Each time the button is pressed the time advances by 1 minute Press...

Page 85: ... accessory remote con troller DUAL Instructions from both the accessory remote controller and the centralized remote controller are valid Priority given to the last instruction received CENTRAL ON OFF switching by the accessory remote controller is invalidated Controll is by the centralized remote controller only Initial setting is DUAL LCD Matrix Display This display indicates the operational sta...

Page 86: ... 8 9 10 10 9 8 7 6 5 4 3 2 1 Dip switch SW17 Centralized remote controller Power supply board 5 3 Connection method 1 Connections in the power supply cord 1 Connect the power supply cord to the power supply terminal block and fix it in place with a tie wrap Connect a single phase 200V AV 220 230 240V to A N As E is the GND terminal be sure to ground the earth wire 2 Connect the transmission line t...

Page 87: ... Terminal block for transmission to program timer or centralized remote controller B W 200 5A A POWER SUPPLY N E POWER SUPPLY CORD Fuse 5A Tie wrap Wiring has to be changed when 200V power supply is used Tie wrap Transmission cord TRANSFORMER TERMINAL BLOCK FOR POWER SUPPLY TERMINAL BLOCK FOR TRANSMISSION SW1 CN22 CN1 CN21 CN51 CN30CN42 CN50 CN40 AG TRANS 220 240 1 Connections in the adapter box 1...

Page 88: ...New publication effective Jun 1997 Specifications subject to change without notice cCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Jun 1997 No OC120 5020 ...

Page 89: ...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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