Mitsubishi Electric Mr.SLIM PKH-1.6FKA Page 68 Technical & Service Manual Download | Manualshive

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1 After all units start together, if SW2 is turned OFF, each unit can be individually stopped by each remote controller.

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2 After all units stop together, if SW2 is turned OFF, each unit can be individually started by each remote controller.

Grouping the remote controllers allows individual control and central-
ized 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-care 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 power ON/OFF
switch near each unit to prevent electric trouble during servicing.

4. INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS

3-3 Switch function of remote ON-OFF switch

SW1
(Switches between
remote ON and OFF.)

ON

(Start)

OFF

(Stop)

All units start together.
Individual control is not available.
All units stop together.
Individual control is not available.

SW2

(Switches between remote ON-OFF and individual control)

ON

(Remote ON-OFF control)

Each unit can be controlled by each
remote controller.
Remote ON-OFF switch is not available.

OFF

(Individual control)

w

1

w

2

Remote
controller cable (2-core)

Remote controller

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Summary of Contents for Mr.SLIM PKH-1.6FKA

Page 1: ...ECIFICATIONS 4 3 DATA 9 4 OUTLINES AND DIMENSIONS 23 5 WIRING DIAGRAM 27 6 REFRIGERANT SYSTEM DIAGRAM 29 7 OPERATION FLOW CHART 30 8 MICROPROCESSOR CONTROL 34 9 TROUBLESHOOTING 56 10 SYSTEM CONTROL 65 11 DISASSEMBLY PROCEDURE 70 12 PARTS LIST 73 13 OPTIONAL PARTS 79 1999 Indoor unit Model names Service Ref PKH 1 6FKA PKH 1 6FKA E PKH 2FKA PKH 2FKA E PKH 2 5FKA PKH 2 5FKA E PKH 3FKA PKH 3FKA E PKH ...

Page 2: ...or switches the current time start time and stop time a button Press this button to switch the cooler electronic dry dehumidify automat ic and heater modes i TEMP button This sets the room temperature The temperature setting can be per formed in 1 C units Setting range Cooler 19 C to 30 C Heater 17 C to 28 C CHECK TEST RUN button Only press this button to perform an inspection check or test operat...

Page 3: ...play This indicates when the defrost oper ation is performed CHECK display This indicates when a malfunction has occurred in the unit which should be checked display FILTER This display lights when the filter need to be cleaned 88 C display This displays the selected setting temperature r display The current time start time and stop time can be displayed in ten second intervals by pressing the tim...

Page 4: ...FM Pa mmAq kW A in A in A in A in kg lbs kW A A kW kW m3 X CFM A in A in A in kg lbs kg lbs L PKH 1 6FKA E Cooling 4 500 15 350 1 51 0 07 0 32 0 40 1 44 6 74 Heating 4 650 15 900 1 48 0 07 0 32 0 40 1 41 6 60 PKH 1 6FKA E Single 50Hz 220 240V Munsell 3 4Y 7 7 0 8 White Plate fin coil Line flow direct 1 0 030 10 13 353 459 0 direct blow Remote controller built in 36 43 20 13 16 1 250 49 3 16 200 7 ...

Page 5: ... mmAq kW A in A in A in A in kg lbs kW A A kW kW m3 X CFM A in A in A in kg lbs kg lbs L PKH 2FKA E Cooling 5 500 18 800 2 27 0 07 0 32 0 40 2 20 9 86 Heating 6 250 21 300 2 29 0 07 0 32 0 40 2 22 9 95 PKH 2FKA E Single 50Hz 220 240V Munsell 3 4Y 7 7 0 8 White Plate fin coil Line flow direct 1 0 030 10 13 353 459 0 direct blow Remote controller built in 36 43 20 13 16 1 250 49 3 16 200 7 7 8 300 1...

Page 6: ...Aq kW A in A in A in A in kg lbs kW A A kW kW m3 X CFM A in A in A in kg lbs kg lbs L PKH 2 5FKA E Cooling 6 500 22 200 2 56 0 095 0 44 0 80 2 46 10 68 Heating 7 200 24 600 2 33 0 095 0 44 0 80 2 23 9 78 PKH 2 5FKA E Single 50Hz 220 240V Munsell 3 4Y 7 7 0 8 White Plate fin coil Line flow direct 2 0 040 15 20 530 706 0 direct blow Remote controller built in 39 45 20 13 16 1 400 55 1 8 235 9 1 4 34...

Page 7: ... X CFM A in A in A in kg lbs kg lbs L PKH 3FKA E Cooling 7 900 27 000 3 25 0 095 0 44 0 80 3 15 3 15 13 82 5 16 Heating 9 100 31 000 3 04 0 095 0 44 0 80 2 94 2 94 12 89 4 81 PKH 3FKA E Single 50Hz 220 240V Munsell 3 4Y 7 7 0 8 White Plate fin coil Line flow direct 2 0 040 15 20 530 706 0 direct blow Remote controller built in 39 45 20 13 16 1 400 55 1 8 235 9 1 4 340 13 3 8 24 53 PUH 3VKA2 UK PUH...

Page 8: ...in A in kg lbs kW A A kW kW m3 X CFM A in A in A in kg lbs kg lbs L PKH 4FKSA E Cooling 9 500 32 400 3 31 0 114 0 53 0 90 3 20 5 24 Heating 10 700 36 500 3 30 0 114 0 53 0 90 3 19 5 22 PKH 4FKSA E Single 50Hz 220 240V Munsell 3 4Y 7 7 0 8 White Plate fin coil Line flow direct 2 0 070 22 28 777 989 0 direct blow Remote controller built in 41 46 20 13 16 1 680 66 1 8 235 9 1 4 340 13 3 8 28 62 PUH 4...

Page 9: ...5 4706 5010 5327 4415 4706 5010 5327 4415 4706 5010 5327 SHC W 2958 2589 2154 3312 2965 2555 3665 3342 2956 2504 4018 3718 3357 2930 4195 3906 3557 3143 4371 4095 3758 3356 4415 4471 4158 3782 4415 4706 4559 4208 SHF 0 67 0 55 0 43 0 75 0 63 0 51 0 83 0 71 0 59 0 47 0 91 0 79 0 67 0 55 0 95 0 83 0 71 0 59 0 99 0 87 0 75 0 63 1 00 0 95 0 83 0 71 1 00 1 00 0 91 0 79 P C 1 26 1 29 1 31 1 26 1 29 1 31...

Page 10: ... 4451 4750 SHC W 2612 2292 1914 2924 2625 2270 3236 2958 2626 2233 3548 3292 2982 2613 3704 3458 3160 2803 3860 3625 3338 2993 3899 3958 3694 3373 3899 4167 4050 3753 SHF 0 67 0 55 0 43 0 75 0 63 0 51 0 83 0 71 0 59 0 47 0 91 0 79 0 67 0 55 0 95 0 83 0 71 0 59 0 99 0 87 0 75 0 63 1 00 0 95 0 83 0 71 1 00 1 00 0 91 0 79 P C 1 55 1 59 1 64 1 55 1 59 1 64 1 55 1 59 1 64 1 68 1 55 1 59 1 64 1 68 1 55 ...

Page 11: ...2 6124 6511 SHC W 3292 2819 2266 3724 3279 2756 4155 3739 3245 2669 4587 4199 3735 3190 4803 4429 3980 3451 5019 4659 4225 3711 5397 5119 4715 4232 5397 5580 5205 4753 SHF 0 61 0 49 0 37 0 69 0 57 0 45 0 77 0 65 0 53 0 41 0 85 0 73 0 61 0 49 0 89 0 77 0 65 0 53 0 93 0 81 0 69 0 57 1 00 0 89 0 77 0 65 1 00 0 97 0 85 0 73 P C 1 90 1 94 1 97 1 90 1 94 1 97 1 90 1 94 1 97 2 01 1 90 1 94 1 97 2 01 1 90...

Page 12: ...3 5440 5806 SHC W 2907 2495 2013 3288 2903 2448 3669 3310 2883 2380 4050 3718 3318 2845 4241 3921 3536 3077 4431 4125 3753 3309 4765 4533 4189 3774 4765 4940 4624 4238 SHF 0 61 0 49 0 37 0 69 0 57 0 45 0 77 0 65 0 53 0 41 0 85 0 73 0 61 0 49 0 89 0 77 0 65 0 53 0 93 0 81 0 69 0 57 1 00 0 89 0 77 0 65 1 00 0 97 0 85 0 73 P C 2 34 2 40 2 46 2 34 2 40 2 46 2 34 2 40 2 46 2 53 2 34 2 40 2 46 2 53 2 34...

Page 13: ... 7237 7694 SHC W 4656 4147 3546 5166 4691 4125 5676 5235 4704 4078 6187 5778 5283 4694 6378 6050 5572 5001 6378 6322 5862 5309 6378 6798 6441 5925 6378 6798 7020 6540 SHF 0 73 0 61 0 49 0 81 0 69 0 57 0 89 0 77 0 65 0 53 0 97 0 85 0 73 0 61 1 00 0 89 0 77 0 65 1 00 0 93 0 81 0 69 1 00 1 00 0 89 0 77 1 00 1 00 0 97 0 85 P C 2 14 2 18 2 23 2 14 2 18 2 23 2 14 2 18 2 23 2 27 2 14 2 18 2 23 2 27 2 14 ...

Page 14: ... 6429 6862 SHC W 4111 3671 3150 4561 4153 3664 5012 4634 4179 3637 5462 5116 4693 4186 5631 5357 4950 4460 5631 5597 5207 4735 5631 6019 5722 5283 5631 6019 6236 5832 SHF 0 73 0 61 0 49 0 81 0 69 0 57 0 89 0 77 0 65 0 53 0 97 0 85 0 73 0 61 1 00 0 89 0 77 0 65 1 00 0 93 0 81 0 69 1 00 1 00 0 89 0 77 1 00 1 00 0 97 0 85 P C 2 64 2 70 2 78 2 64 2 70 2 78 2 64 2 70 2 78 2 85 2 64 2 70 2 78 2 85 2 64 ...

Page 15: ...2 8796 9352 SHC W 4961 4296 3518 5581 4957 4222 6201 5618 4926 4115 6821 6279 5629 4863 7132 6610 5981 5237 7442 6940 6333 5611 7752 7601 7037 6359 7752 8262 7740 7107 SHF 0 64 0 52 0 40 0 72 0 60 0 48 0 80 0 68 0 56 0 44 0 88 0 76 0 64 0 52 0 92 0 80 0 68 0 56 0 96 0 84 0 72 0 60 1 00 0 92 0 80 0 68 1 00 1 00 0 88 0 76 P C 2 72 2 77 2 83 2 72 2 77 2 83 2 72 2 77 2 83 2 88 2 72 2 77 2 83 2 88 2 72...

Page 16: ...5 7813 8339 SHC W 4380 3804 3125 4928 4389 3750 5475 4974 4376 3669 6023 5559 5001 4337 6297 5852 5313 4670 6570 6145 5626 5004 6844 6730 6251 5671 6844 7315 6876 6338 SHF 0 64 0 52 0 40 0 72 0 60 0 48 0 80 0 68 0 56 0 44 0 88 0 76 0 64 0 52 0 92 0 80 0 68 0 56 0 96 0 84 0 72 0 60 1 00 0 92 0 80 0 68 1 00 1 00 0 88 0 76 P C 3 35 3 43 3 52 3 35 3 43 3 52 3 35 3 43 3 52 3 62 3 35 3 43 3 52 3 62 3 35...

Page 17: ...6 9322 9936 10577 11246 SHC W 6525 5763 4865 7271 6558 5712 8017 7352 6558 5623 8762 8147 7404 6522 9135 8545 7827 6972 9322 8942 8250 7422 9322 9737 9096 8322 9322 9936 9942 9221 SHF 0 70 0 58 0 46 0 78 0 66 0 54 0 86 0 74 0 62 0 50 0 94 0 82 0 70 0 58 0 98 0 86 0 74 0 62 1 00 0 90 0 78 0 66 1 00 0 98 0 86 0 74 1 00 1 00 0 94 0 82 P C 2 77 2 82 2 88 2 77 2 82 2 88 2 77 2 82 2 88 2 94 2 77 2 82 2 ...

Page 18: ... 8797 9396 10028 SHC W 5761 5102 4322 6420 5806 5074 7078 6509 5825 5014 7736 7213 6577 5817 8066 7565 6953 6218 8230 7917 7329 6619 8230 8621 8081 7421 8230 8797 8832 8223 SHF 0 70 0 58 0 46 0 78 0 66 0 54 0 86 0 74 0 62 0 50 0 94 0 82 0 70 0 58 0 98 0 86 0 74 0 62 1 00 0 90 0 78 0 66 1 00 0 98 0 86 0 74 1 00 1 00 0 94 0 82 P C 3 41 3 49 3 59 3 41 3 49 3 59 3 41 3 49 3 59 3 69 3 41 3 49 3 59 3 69...

Page 19: ...3 2 52 2 72 2 91 2 74 2 95 3 16 CA 4 714 4 538 4 370 6 336 6 100 5 874 7 229 7 027 6 767 9 225 8 881 8 553 10 847 10 443 10 056 P C 1 35 1 45 1 56 2 09 2 25 2 41 2 12 2 29 2 45 2 77 2 99 3 20 3 01 3 24 3 47 CA 5 312 5 112 4 942 7 139 6 871 6 643 8 225 7 916 7 653 10 395 10 004 9 672 12 223 11 763 11 373 P C 1 48 1 59 1 70 2 28 2 46 2 64 2 32 2 50 2 68 3 03 3 26 3 50 3 29 3 54 3 80 CA 5 952 5 724 5...

Page 20: ...22 39 Cool 6 450 2 54 0 095 0 44 0 80 2 44 10 94 52 Cool 7 850 3 24 0 095 0 44 0 80 3 14 14 22 56 Cool 7 850 3 24 0 095 0 44 0 80 3 14 5 21 36 Cool 9 450 3 30 0 114 0 53 0 90 3 19 5 23 39 Service Ref Indoor unit Outdoor unit PKH 1 6FKA E PUH 1 6VKA3 UK PKH 2FKA E PUH 2VKA2 UK PKH 2 5FKA E PUH 2 5VKA2 UK PUH 3VKA2 UK PKH 3FKA E PUH 3YKA2 UK PKH 4FKSA E PUH 4YKSA2 UK Mode Capacity W Total Input kW I...

Page 21: ... 7 24 6 0 74 0 12 1 50 1 50 240 240 PUH 3VKA2 UK Cooling Heating 7 900 3 25 9 100 3 04 0 44 0 44 5 16 4 81 90 86 53 52 6 2 5 5 27 20 19 15 13 2 43 4 35 7 24 6 0 74 0 12 3 50 415 PUH 3YKA2 UK Cooling Heating 9 500 3 31 10 700 3 30 0 53 0 53 5 24 5 22 79 76 49 46 8 1 5 5 27 20 19 15 14 3 40 4 35 7 24 6 0 80 0 11 1 50 3 50 240 415 PUH 4YKSA2 UK C DB C DB C WB C DB BF SHF C WB C C C m Mpa kg cm2 Mpa k...

Page 22: ...NG FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz PKH 2 5FKA PKH 3FKA Hi Lo NOTCH 45 39 SPL db A LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROTIMATE TERESHOLD OF REARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 002 MICRO BAR...

Page 23: ...5 60 Left side Air intake Front 1250 449 Air intake Auto vanes Service panel for power supply connection 449 Air intake 968 Air intake 48 236 227 Right side Terminal block Right side Knock out hole for right piping 2 1 Knock out hole for night hand side piping Knock out hole for piping 8 60 Knock out hole for piping Terminal block for control Terminal block pipe position Drainage Drainage Flexible...

Page 24: ... 88 5 8F Liquid pipe A 30 32 39 98 37 74 4 39 100 30 37 74 4 29 80 280 30 30 184 30 60 10 39 37 65 100 A B C Knock out hole for piping 25 1110 183 240 B 1120 552 55 120 107 111 Air outlet 552 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 opening 12 ø6 hole for t...

Page 25: ... 65 39 98 37 74 4 39 100 30 37 74 4 29 80 280 30 30 184 30 60 10 39 37 65 100 A B C Knock out hole for wiring 25 1110 183 240 B 1400 55 120 102 111 Drain hose O D 20 694 Air outlet 694 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 opening Range for left rear pip...

Page 26: ...26 Unit mm 18 130 Rear side wiring arrangement opening 120 FILTER CHECK MODE TEST RUN FILTER CHECK MODE TEST RUN 46 83 5 SW18 SW17 REMOTE CONTROLLER PAR JH241KA CAUTION 2 REMOTE CONTROLLER ...

Page 27: ...8 will be displayed on the remote controller and the trouble position will be shown on the outdoor controller board LED See electric wiring diagram of the outdoor unit for details 2 Make sure that there is no trouble with the indoor fan Emergency operation will be continuous operation mode due to power ON OFF ON OFF with the remote controller is not possible Emergency operation procedure 1 Switch ...

Page 28: ...cooling should be limited to 10 hours maximum The indoor 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 fig w 2 fig w 1 240V 230V 220V 230V 220V YELLOW ORANGE RED PKH 2 5FKA E PKH 3FKA E PKH 4FKSA E ON OFF SW7 ON OFF J9 2 CN2 OFF ON 4 3 2 1 SW18 8 7 LED1 12V POWER X4 C MF L N GRN YLW SW7 CN51 CENTRALLY CONTROL LED2 5V...

Page 29: ...lary tube Capillary tube Restrictor valve Strainer Bypass valve Outdoor unit PKH 1 6FKA E PUH 1 6VKA3 UK PKH 2FKA E PUH 2VKA2 UK PKH 2 5FKA E PUH 2 5VKA2 UK PKH 3FKA E PUH 3VKA2 UK 3YKA2 UK Unit mm PKH 4FKSA E PUH 4YKSA2 UK Indoor heat exchanger Indoor unit Refrigerant pipe option 19 05mm 3 4 with heat insulator Refrigerant pipe option 9 52mm 3 8 with heat insulator Flexible tube Flared connection...

Page 30: ...Fan STOP Compressor OFF Fan STOP Four way valve OFF MAIN OPERATION w 1 In addition the centralized and remote control can be operated w 2 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 malfunction P4 Drain sensor malfunction P5 Drain over flow P6 Coil frost overheat protect...

Page 31: ...empreature is 10 C or higher 3 minute time delay Coil frost prevention release Allowance 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 w 8 When operation stops or changes to cooling or dry mode the auto vane turns to a horizontal angle IF operation changes during auto vane SWING the auto...

Page 32: ...y heater ON 6 minute restart prevention Allowance set Compressor OFF Indoor piping 35 C or higher HOT adjust 6 min elapse FAN SPEED Low FAN SPEED Low 2 min elapse FAN SPEED setting nitch 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 m...

Page 33: ...to set the fan speed with the remote controller DRY OPERATION DRY operation Four way valve OFF Initial dry operation Room temperature is 18 C or lower During compressor ON Compressor thermostat ON Vane initial 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 Comp...

Page 34: ...ase heater control ON OFF Self diagnostic function Independent Control of Outdoor Unit OUTPUT to indoor unit INPUT from indoor unit INPUT to remote controller REMOTE CONTROLLER Processes and transmits orders OUTPUT to remote controller INDOOR CONTROLLER BOARD Receives orders from remote controller and temperature data from indoor unit Processes orders and data Controls indoor and outdoor operation...

Page 35: ...emperature 3 The compressor stops in check mode or during protective functions 4 Coil frost prevention to prevent indoor coil frost the compressor will stop when the indoor coil thermistor RT2 reads 1 C or below after the compressor has been continuously operated for at least 16 minutes or more When the indoor coil tempera ture rises to 10 C or above the compressor will start after a 3 minute time...

Page 36: ... control i Fan speed LOW HIGH depends on the remote controller setting regardless of the thermostat ON OFF ii Fan speed will remain on LOW if an abnormality in outdoor unit is detected 5 minutes When the abnormality detection is released the fan speed returns to the set speed 1 Start up of outdoor unit abnormality detec tion 2 Release of outdoor unit abnormality detec tion 3 Unit stop due to outdo...

Page 37: ...i The vane motor turns ON when the SWING mode is selected The vane motor is continuously ON during SWING mode AUTO RETURN 1 Fan speed LOW 2 Fan speed HIGH When 60 degrees or 70 degrees airflow is selected with the LOW fan speed in COOL operation Auto RETURN will appear below the temperature display One hour later the airflow direction returns to 10 degrees automatically and AUTO RETURN will disapp...

Page 38: ...f driving the auto vane 1 Detecting the standard position Output 1600 pulse to the opening direction 2 Position setting Output the number of pulse indicated no below chart to the closing direction 4 Detecting abnormalities in the outdoor unit After the compressor has been continuously operated for 3 minutes if the difference between the indoor coil temperature and room temperature is out of RANGE ...

Page 39: ...nsor has been heated by the drain sensor heater for more than 40 seconds its temperature rise is less than 20 degrees The drain sensor temperature is below 63 C 2 2 DRY operation DRY operation time chart w1 Even if the room temperature rise above the set temperature during this period the compressor will not start until this period has ended Minimum 3 minutes w1 ON Thermostat Indoor fan Auto vane ...

Page 40: ...ON the compressor will stop for 3 minutes If the thermostat is OFF regardless of room temperature the compressor will stop for 10 minutes 5Coil frost protection Coil frost protection in DRY operation is the same as in COOL operation 6Coil frost prevention Coil frost prevention does not operate in DRY operation 2 Indoor fan control PKH 2 5FKA E PKH 3FKA E PKH 4FKSA E The indoor fan runs on LOW spee...

Page 41: ...eration DEFROST The DEFROST symbol is only displayed during the defrost operation STANDBY The STANDBY symbol is displayed from the time the heating opera tion starts until the heated air begins to blow FILTER CHECK MODE TEST RUN 241 1 Compressor control 13 minute time delay To prevent overload the compressor will not start within 3 minutes after stop 2The compressor runs when the room temperature ...

Page 42: ...ntroller setting The indoor fan stops when the indoor coil temperature is within 5 degrees either way of room temperature To eliminate the remaining heat the indoor fan runs for the first 1 minute after the booster heater is turned OFF 3 Auto vane control a STOP mode fixed operation The airflow direction at the start up of HEAT operation is the same as that of the previous operation The airflow di...

Page 43: ...erature difference is still in RANGE C the outdoor unit is determined to be abnormal 3 During compressor OFF After 20 minutes of thermostat OFF if the indoor coil thermistor reads 25 C or below the outdoor unit is determined to be abnormal 5 Indoor coil thermistor abnormality detection An abnormality can be detected during compressor ON except for the following For the first 30 minutes after the t...

Page 44: ...r the outside air temperatures as follows Mode change HEAT COOL When room temperature becomes2degrees above the set temperature the operation mode can not be changed for 15 minutes degree To 2 To Set temperature 19 28 To 1 To To 1 To 2 Compressor Start HEAT mode HEAT mode Mode change 15 minutes 15 minutes Mininum 3 minutes COOL mode COOL HEAT ON OFF 9 0 10 20 30 40 46 8 5 Cooling range Outside air...

Page 45: ...on At the start up of HEAT operation discharge direction depends on the setting of the last operation After it can be changed to another direction with 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...

Page 46: ...mple OFF 2 6 TIMER operation FILTER CHECK MODE TEST RUN 241 TEST RUN 241 TEST RUN button TEST RUN Display Remote controller 1 Turn on main switch 12 hours before proceeding to step 2 to allow for crankcase heater operation 2 Push the TEST RUN button twice and indication of TEST RUN will be shown on the liquid crystal display 4 Push button LOW HIGH to check that the fan speed changes properly 6 Aft...

Page 47: ...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 the emergency operation because the drain may overflow How to operate 1 For emergency cooling set the dip switch SW3 1 to ON and SW3 2 to OFF For emergency heating set the dip switch SW3 1 2 to ON 2 Turn ON the outdoor un...

Page 48: ...lay box PZ 12RB E LOSSNAY LOSSNAY LOSSNAY control switch 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 Relay box LOSSNAY A B L N HIGH N Terminal block Terminal block Mr SLIM CN51 12V DC Power supply 220 240V AC Circuit breaker WHT WHT N DAMPER DAMPER RED LOW HIGH ORN ORN RED PZ 12RB E...

Page 49: ... ON Unit with auto vanes SW1 4 Not for use SW1 5 Switch to change the temperature to start coil frost prevention OFF 3 C For previous special models ON 1 C For all current models SW1 6 Switch for set temperature adjustment in HEAT mode During HEAT operation warm air collects near the ceiling When the indoor unit is installed near the ceiling the temperature read by room temperature thermistor diff...

Page 50: ... 2FKA E 3 On indoor controller board For PKH 2 5FKA E PKH 3FKA E PKH 4FKSA E 1 J1 Mode selector J1 1 Switch that changes between FAN mode and AUTO mode Provided Fan mode for models with heat pump Not provided AUTO mode for models with heat pump J1 4 Switch for drain pump For optional parts Provided The drain pump works in only COOL operation Not provided The drain pump works in both COOL and HEAT ...

Page 51: ...auto restart function Provided 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 66 3 SW3 Emergency operation switch 4 J5 Model selector J5 2 Provided For models with heat pump Not Provided For models without heat pump J5 4 This jumper is unavailable for PKH FK S A E 5 SW6 Mod...

Page 52: ...ective function works again the compressor 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 w1 ON Thermos...

Page 53: ... item A d Total time of compressor 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 5 C or below and the fan output output is 100 defrosting will s...

Page 54: ...valve 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 minutes 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 minute...

Page 55: ... 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 switch For further information refer to page 59 4 100 fan output Fan ...

Page 56: ...s soon 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 re...

Page 57: ... on the remote controller to advance or go back to the unit address Each time TEMP button is pressed the unit address advances by one Each time TEMP button is pressed 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 conditions The unit address displ...

Page 58: ... 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 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 ...

Page 59: ...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 LED Check code OFF OFF Outdoor coil thermistor is abnormal Input circuit on controller board is abnormal Open phase 63H2 function 51C fun...

Page 60: ...ssor operation time indication SW2 is not available 3 4 Inspection code indication When the inspection code is displayed twice during the normal operation the operation changes to INSPECTION mode automatically On the first display of the inspection code the mode changes to Restarting Protection Mode for 3 minutes and the opera tion restarts after 3 minutes W1 When the mode changes to INSPECTION by...

Page 61: ... 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 67 C Measure the resistance of the thermistor Check the outd...

Page 62: ...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 63: ...utdoor connect ing wire shorts Compressor protector is damaged Defroster is broken Remote controller is damaged Transmission wire is poorly connected Transmission wire is damaged Connector is poorly connected Indoor terminal block is poorly connected Remote controller ter minal block is poorly connected Vane motor is damaged Vane motor relay is damaged Limit switch is damaged The size of the cam i...

Page 64: ...e Mr SLIM is not operating LOSSNAY fan speed is fixed to HIGH during interlock opera tion LOSSNAY fan speed LOW HIGH can be switched only during LOSSNAY individual operation with the LOSSNAY control switch Cause For LOSSNAY troubleshooting refer to the LOSSNAY technical service manual 8 MR SLIM LOSSNAY INTERLOCK OPERATION Symptoms that are not malfunctions If any of the following symptoms occur th...

Page 65: ...al control by grouping remote controllers See page 68 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 is the same as that of the single unit with a single remote con troller 4 Multiple re...

Page 66: ...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 contro...

Page 67: ...rding to the power supply of control circuit NOTE3 When the power supply of the control circuit is 220 240V AC Do not connect the control circuit wire to the remote controller cable directly Do not place the control circuit wire and the remote controller cable into the same conduit tube 3 2 Basic wiring Caution Before starting all units simultaneously by the remote ON OFF switch be sure to connect...

Page 68: ...kness 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 power ON OFF switch near each unit to prevent electric trouble during servicing 4 INDIVIDUAL CONTROL BY GROUPING THE REMOTE CONTROLLERS 3 3 Switch function of remote ON OFF switch SW1 Switches between remote ON and OFF ON Start OFF Stop All units sta...

Page 69: ...Lamps Matching 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...

Page 70: ...ctrical 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 electrical parts box 1 Remove the right side panel 2 Remove the screw of the electric...

Page 71: ...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 centre 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 72: ... left 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 See Photo 11 9 Remove the screw of the centre support and remove the support See Photo 10 Pull the left hand side of the heat exchanger toward you and remove the lineflow fan Photo 10 Screw Centre ...

Page 73: ...rice Unit Amount Remarks Drawing No Q ty set PKH 1 6 2 FKA E R01 KV5 651 R01 47J 500 R01 KV5 096 T7W 580 058 R01 KV5 658 R01 KV5 635 R01 KV5 808 R01 KV5 623 Part Name BC25R572H06 BC25G057H07 1 2 4 1 1 1 1 1 2 2 1 2 3 4 5 6 7 8 9 10 FRONT PANEL AIR FILTER SCREW CAP SERVICE PANEL CORNER COVER BOX ASSEMBLY BACK PLATE UNDER COVER CATCH HOLDER PANEL CATCH ...

Page 74: ... PK4V30KA 250V 6 3A 3P L N 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 MF MV I B F1 I B TB2 FAN MOTOR LINEFLOW FAN RUBBER MOUNT BEARING SUPPORT SLEEVE BEARING BEALING MOUNT MOTOR SUPPORT NOZZLE ASSEMBLY LEFT ROTARY VANE RIGHT ROTARY VANE VANE MOTOR DRAIN HOSE INDOOR CONTROLLER BOARD FUSE TERMINAL BLOCK 74 ELECTRICAL PARTS PKH 1 6FKA E PKH 2FKA E ...

Page 75: ...6 27 28 29 30 31 32 33 34 35 36 37 38 1 1 1 1 1 1 1 1 1 16 2 1 1 1 1 1 1 1 1 1 1 1 1 TB5 TB4 C RT2 T R B RT1 BG25B573H05 BG25B846H11 BG02A326G06 BG02B718H05 Wiring Diagram Symbol Recom mended Q ty Unit Amount TERMINAL BLOCK TERMINAL BLOCK FAN MOTOR CAPACITOR INDOOR COIL THERMISTOR TRANSFORMER HEAT EXCHANGER HEAT EXCHANGER REMOTE CONTROLLER BOARD DRAIN SOCKET MOTOR COVER GUIDE VANE ARM VANE SLEEVE ...

Page 76: ...A E FKSA E R01 12G 220 T7W 571 762 R01 12G 105 R01 16G 105 R01 13G 115 R01 17G 115 R01 13G 114 R01 17G 114 R01 005 103 R01 12G 103 Part Name 1 2 1 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 MF MF BG02H065H01 BG02H178H01 BG02A534H16 BG02A534H17 D10A4P70MS FAN MOTOR FAN MOTOR RUBBER MOUNT RUBBER MOUNT MOTOR BAND MOTOR BAND MOTOR LEG MOTOR LEG RIGHT LINEFLOW FAN RIGHT LINEFLOW ...

Page 77: ...1 1 1 1 1 1 20 4 3 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 26 4 4 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 MV I B F1 2 I B TB2 TB4 C C T RT1 RT2 R B TB5 BG02L462H02 BG25A543H07 BG25J821H02 BG25J821H02 BG25H301H02 BG25B573H05 BG02A648G01 BG02J608H05 Wiring Diagram Symbol Recom mended Q ty Unit Amount BEARING MOUNT BEARING MOUNT BEARING BAND CENTER SUPPORT DRAIN PAN DRAIN PAN VANE MOT...

Page 78: ...cification Q ty set PKH 2 5 PKH 3 PKH 4 FKA E FKA E FKSA E 1 1 2 4 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 10 11 1 1 2 4 1 1 1 1 1 1 1 1 2 1 5 1 1 1 1 1 1 BG00A593GM3 BG00A593GM4 Wiring Diagram Symbol Recom mended Q ty Unit Amount RIGHT SIDE PANEL LEFT SIDE PANEL INTAKE GRILLE INTAKE GRILLE AIR FILTER NOSE NOSE UNDER PLATE UNDER PLATE TOP PLATE TOP PLATE DRAIN SOKET BACK PLATE BACK PLATE BOX ASSEMBLY BOX AS...

Page 79: ...igerant gas to flow If piping length exceeds 5m an additional charge of refrigerant is needed Note 2 The following main parts are contained in the optional refrigerant piping kit Heat insulating cover vinyl tapes nipples sleeve and flange for wall hole 2 TIMER When using a program timer PAC SK65PT a program timer adapter PAC 825AD is also needed 2 1 Program timer specifications Part No Pipe length...

Page 80: ...d when the lower digit of minute becomes 0 indication reverses in 10 minutes unit Pushing SW moves the week day light display in order of S M T W enabling to set the week day Set back can be done in the range of 1 2 4 6 and 8 C WEEKLY TIMER SW Used for setting timer in day of week unit DAILY TIMER SW Used for timer setting in 30 minutes unit ON SET BACK OFF SW Used to specify the time setting patt...

Page 81: ... of all connected units either by steady lighting or by flashing POWER ON OFF switch Operation ON OFF switch BACK AHEAD buttons These buttons are used to designate the attached unit s They designate the unit that is centrally controlled When group 00 is designated col lective ON OFF instruction is sent to all units When group 01 16 is designated ON OFF instruction is sent to the des ignated units ...

Page 82: ...onnect the power supply cord to the transmission terminal block 2 Connection method of centralized remote controller and power supply board 1 Connect the centralized remote controller and power supply board with a non polar two wire cable 2 Wiring diagram 3 Be sure to set the maximum address number with the dip switch SW17 on the centralized remote controller A N E T Y W R O BR 5A A POWER SUPPLY N...

Page 83: ...1 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 ...

Page 84: ...SHI DENKI BLDG MARUNOUCHI TOKYO100 8310 TELEX J24532 CABLE MELCO TOKYO cCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Sep 1999 NO OC190 541 Printed in Japan New publication effective Sep 1999 Specifications subject to change without notice Part No PAC SE89DM E ...

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