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Mitsubishi Electric Mr.Slim PL42AK, User Manual

The Mitsubishi Electric Mr.Slim PL42AK user manual is available for free download on our website. This comprehensive manual provides detailed instructions on how to operate and maintain the PL42AK model, ensuring optimal performance and longevity. Visit manualshive.com to access this essential manual and unlock the full potential of your Mitsubishi Electric Mr.Slim PL42AK.

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OC246-55

No.

Parts No.

Parts Name

Specification

Q'ty / set

PL

18

AK

24

AK

30

AK

36

AK

Remarks

(Drawing No.)

Wiring

Diagram

Symbol

Recom-

mended

Q'ty

Unit

Amount

Price

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1

1

1

1

1

2

1

1

2

1

1

1

1

1

1

1

1

1

1

2

1

1

2

1

1

1

1

1

1

1

1

1

1

2

1

1

2

1

1

1

1

1

1

1

1

1

1

2

1

1

2

1

1

1

1

1

DP

DS

P.B

F1,F2

I.B

RT1

TB4,TB5

TB2

C

C

250V , 6A 

2P (1, 2)

3P (L1, N, GR)

12

+

  230V

25

+

  230V

42

AK

1

1

1

1

1

2

1

1

2

1

1

1

1

1

T7W  E00  527 
T7W  E04  355

R01  E00  266

R01  31K  241

R01  E02  313

T7W  410  239

T7W  E15  310

R01  E00  202

R01  556  246

T7W E12  716

T7W E05  255

T7W E04  255

R01  A41  524

R01  A48  524

T7W E09  529

T7W E06  529

T7W E07  529

T7W E08  529

DRAIN HOSE

DRAIN PUMP

DRAIN SENSOR

SENSOR HOLDER

POWER BOARD

FUSE

CONTROLLER BOARD

ROOM TEMPERATURE THERMISTOR

TERMINAL BLOCK

TERMINAL BLOCK

CAPACITOR

CAPACITOR

DRAIN PLUG

DRAIN PLUG

DRAIN PAN

DRAIN PAN

DRAIN PAN

DRAIN PAN 

12

AK

1

1

1

1

1

2

1

1

2

1

1

1

1

1

FUNCTIONAL PARTS
PL12AK
PL18AK 
PL24AK 
PL30AK 
PL36AK 
PL42AK

4

5

6

7

3

2

1

8

11

10

9

12

13

14

Summary of Contents for Mr.Slim PL42AK

Page 1: ...6 6 REFRIGERANT SYSTEM DIAGRAM OC246 17 7 WIRING DIAGRAM OC246 18 8 OPERATION LOW CHART OC246 19 9 MICROPROCESSOR CONTROL OC246 22 10 TROUBLESHOOTING OC246 33 11 4 WAY AIR FLOW SYSTEM OC246 39 12 SYSTEM CONTROL OC246 45 13 DISASSEMBLY PROCEDURE OC246 50 14 PARTS LIST OC246 53 15 OPTIONAL PARTS OC246 56 PL12AK PL18AK PL24AK PL30AK PL36AK PL42AK ...

Page 2: ...temperature timer setting fan speed and air flow direction are displayed on the remote controller with the easily understood visual Liquid Crystal Display LCD 3 Convenient 24 Hour ON OFF Timer The timer allows Mr SLIM to be switched on or off automatically at the time is shown on the LCD 4 Self Diagnostic Feature Indicates Faults Instantly In the rare case when a problem occurs the unit stops oper...

Page 3: ...ute time delay mechanism an auto restart function an emergency operation function a test run switch etc to assure high reliability and easy servicing 9 NITROGEN GAS IS CHARGED TO INDOOR UNIT Indoor unit and refrigerant pipes are charged with nitrogen gas N2 instead of R22 before shipment from the factory 5 DRAIN PUMP FOR EASY PIPE CONNECTION DRAIN LIFT UP MECHANISM This mechanism with its capacity...

Page 4: ... filter service indica tion display TIMER ON OFF button This switches between continuous operation and the timer operation SET TEMPERATURE button This sets the room temperature The temperature setting can be per formed in 2 F units Setting range Cooling 65 F to 87 F CHECK TEST RUN button Press twice this button to perform an inspection check or test operation Do not use it for normal operation AIR...

Page 5: ...ng the time switch button 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 operation The dis play range is 47 to 97 F The display flashes 47 F when the actual tem perature is less than 47 and flashes 97 F when the actual temperature is greater than 97 F In t...

Page 6: ... PL24AK 24 000 7 2 2 65 9 1 10 0 PL24AK 990 710 950 670 41 33 PU24EK1 PL36AK 36 500 11 1 3 64 10 0 10 5 PL36AK 1060 780 1020 740 PU36EK1 PL42AK 42 500 12 6 4 08 10 4 10 8 PL42AK PU42EK7 PL30AK Galvanized sheets with gray heat insulation 115 1 60 15 1 1 4 33 1 16 33 1 16 66 Munsell 0 7Y 8 59 0 97 37 3 8 37 3 8 1 3 16 11 Item NOTES 1 Rating conditions cooling indoor 80 FDB 67 FWB outdoor 95 FDB 75 F...

Page 7: ...26 8 TPC 1 29 1 26 1 23 1 22 1 20 1 20 1 90 1 85 1 80 1 80 1 77 1 75 2 72 2 65 2 58 2 57 2 53 2 51 3 26 3 17 3 09 3 08 3 03 3 01 3 74 3 64 3 55 3 53 3 48 3 45 4 19 4 08 3 97 3 96 3 90 3 87 TC 12 8 11 9 11 0 10 9 10 5 10 2 18 8 17 5 16 2 16 1 15 4 15 1 24 6 22 8 21 2 21 0 20 1 19 7 31 7 29 4 27 3 27 1 25 9 25 4 37 4 34 6 32 2 31 9 30 5 29 9 43 5 40 3 37 5 37 1 35 5 34 8 SHC 8 7 9 7 10 5 9 4 9 0 8 8...

Page 8: ...ke air DB temperature F 30 24 18 12 2 5 2 0 1 5 1 0 63 67 71 63 67 71 SHF 0 81 023 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperature F Indoor intake air WB temperature F Total power consumption kW Total capacity x10 3 Btu h Outdoor intake air DB temperature F 24 18 12 6 1 4 1 2 1 0 0 8 63 67 71 63 67 71 SHF 0 82 023 32 35 45 55 65 67 75 85 95 105 115 Indoor intake air WB temperat...

Page 9: ...42 36 30 4 0 3 5 3 0 2 5 63 67 71 63 67 71 023 32 35 45 55 65 67 75 85 95 105 115 4 5 Indoor intake air WB temperature F Indoor intake air WB temperature F SHF 0 69 Total power consumption kW Total capacity x10 3 Btu h Outdoor intake air DB temperature F 54 48 42 36 4 5 4 0 3 5 3 0 63 67 71 63 67 71 023 32 35 45 55 65 67 75 85 95 105 115 5 0 Indoor intake air WB temperature F Indoor intake air WB ...

Page 10: ...PL18AK COOLING MODE 3 CONDENSING PRESSURE AND SUCTION PRESSURE Data is based on the condition of indoor humidity 50 Air flow should be set at HI A point on the curve shows the reference point PL12AK 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 40 50 60 70 80 90 100 110 Outdoor ambient temperature DB F Indoor DB temperature F 86 80...

Page 11: ... 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 PL24AK COOLING MODE 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 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 ...

Page 12: ... 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 PL36AK COOLING MODE 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 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 ...

Page 13: ...5 PL24AK 115 1 60 0 3 2 6 PU24EK1 208 230 1 60 2 35 11 5 0 65 0 65 247 83 163 116 50 25 9 lbs 15 oz 80 67 59 58 640 990 95 3 170 PL30AK Cooling 31 000 0 78 3 17 PL30AK 115 1 60 0 3 2 6 PU30EK1 208 230 1 60 2 87 14 0 0 65 0 65 245 80 161 115 48 25 10 lbs 2 oz 80 67 59 58 690 1 060 95 3 170 PL36AK Cooling 36 500 0 72 3 64 PL36AK 115 1 60 0 3 2 6 PU36EK1 208 230 1 60 3 34 15 9 0 75 0 75 245 76 167 11...

Page 14: ... 060 21 7 29 PL42AK 1 060 21 7 29 The air coverage range is the value up to the position where the air speed is 0 8ft sec when air is blown out horizontally from the unit at the High fan setting The coverage range should be used only as a general guideline since it varies according to the size of the room and furniture installed inside the room 6 OUTLET AIR SPEED AND COVERAGE RANGE 90 80 70 60 50 ...

Page 15: ...ESHOLD OF HEARING 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 PL36 42AK Hi NOTCH Lo 45 SPL dB 37 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING 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 ...

Page 16: ... 16 7 8 5 5 16 1 3 16 11 16 7 8 7 1 2 6 1 4 23 13 16 6 1 4 7 9 16 6 11 16 5 1 2 1 15 16 2 3 4 3 7 8 3 1 2 C 33 1 16 33 7 8 35 13 16 13 16 1 3 4 13 16 1 3 4 13 16 1 3 4 13 16 1 3 4 Fresh air intake Branch duct hole 33 7 8 35 13 16 31 7 8 6 1 4 5 8 4 1 8 A B 3 1 16 2 M M M 1 2 M 37 3 8 2 3 1 16 37 3 8 22 11 16 16 3 6 Terminal block Detail drawing of fresh air intake 6 7 8 5 7 8 14 1 8 Burring hole 3...

Page 17: ...or RT2 Distributor Refrigerant pipe option 3 8 with heat insulator Refrigerant pipe option 5 8 with heat insulator Strainer Flared connection Flared connection Indoor coil thermistor RT2 Distributor Refrigerant pipe option 1 2 with heat insulator Refrigerant pipe option 3 4 with heat insulator Strainer Flared connection Flared connection PL12 18 24AK 6 REFRIGERANT SYSTEM DIAGRAM PL30 36 42AK Unit ...

Page 18: ...ME NAME SYMBOL SYMBOL H2 CN2 DEW PREVENTION HEATER W B WIRELESS REMOTE CONTROLLER BOARD RECEIVING UNIT BUZZER LED RUN INDICATOR BZ LED1 RU SW2 SWITCH COOLING ON OFF ZNR VARISTOR F1 F2 SWITCH MODEL SELECTOR SW9 VANE MOTOR MV LED DC12V POWER LED2 LED1 DRAIN UP MACHINE DP FAN MOTOR MF CAPACITOR FAN MOTOR C RELAY FAN MOTOR RELAY DRAIN PUMP X4 X1 LED DC5V POWER LEGEND F3 FUSE 0 3A 250V FUSE 6A 250V 32 ...

Page 19: ...r trouble display Indoor side Outdoor side Fan STOP Compressor OFF Fan STOP MAIN OPERATION w1 In addition the centralized control 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 malfunction P4 Drain sensor malfunction P5 Drain overflow P...

Page 20: ...ection 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 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 operation...

Page 21: ... 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 temperature is 64 F 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 m...

Page 22: ...ndependent Control of Outdoor Unit OUTPUT to indoor unit INPUT from indoor unit INPUT to remote controller Remote controller board 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 Self diagnostic function w System control ope...

Page 23: ...elay w2 When the indoor coil temperature is 30 F or less the compressor starts in 6 minutes NOTE By turning OFF the dip switch SW1 3 on indoor controller board the start temperature of coil frost prevention changes from 34 F to 36 F How to operate 1 Press POWER ON OFF button 2 Press the MODE button to display COOL 3 Press the SET TEMP button to set the desired temperature NOTE Set temperature chan...

Page 24: ... speed will be LOW regardless of the remote controller setting 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 NOTE Fan stops immediately if the unit stops or the check mode is started 3 Auto vane control Auto vane position is set to 30degrees airflow at the sta...

Page 25: ...s more than 9 degrees below room temperature Indoor coil temperature minus room temperature 9 0 9 RANGE A RANGE B RANGE C degree 5 Drain pump control The drain pump works in COOL or DRY operation The drain pump does not work in check mode Drain sensor When both the drain pump and unit are operating the drain sensor detects the temperature This temperature tells whether the drain water level is abo...

Page 26: ...compressor will not start within 3 minutes after stop 2 The compressor runs when room temperature is higher than set temperature The compressor stops when room temperature is equal to or lower than the set temperature The compressor maintains the previous state when the room temperature minus the set temperature is 0 F or more or lower than 2 F 3 The compressor stops in check mode or during protec...

Page 27: ...e compressor will stop for 10 minutes 5Coil frost protection Coil frost protection in DRY operation is the same as in COOL operation Refer to 2 1 COOL operation 6Coil frost prevention Coil frost prevention does not operate in DRY operation 2 Indoor fan control The indoor fan runs on LOW speed during compressor operation The fan speed cannot be changed with the remote con troller Also the fan runs ...

Page 28: ...UTO RETURN appears right side of the air direction One hour later the direction changes to 30 degrees automatically and AUTO RETURN disappears Available in COOL operation with fan speed on HIGH Unavailable in DRY operation If fan speed changes from HIGH to LOW during 45 downward airflow in COOL mode the direction automati cally changes to 30 30 1 45 downward 2 55 downward 3 70 downward 4 swing 5 2...

Page 29: ...ring and piping the indoor and outdoor units check for refrigerant leakage looseness in power supply or control wiring and mistaken polarity Use a 500 volt measure to check the resistance between the power supply terminal block and ground to make sure that it is at least 1 0M Attention Do not use the air conditioner if resistance is less than 1 0M How to operate 1 Turn ON main breaker 2 Press TEST...

Page 30: ...rting 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 2 Turn ON the outdoor unit breaker and then ON the indoor unit breaker Emergency operation will now start 3 During emerge...

Page 31: ... SW18 2 Switch for filter sign OFF filter sign absent ON filter sign present SW18 3 Switch for filter sign time setting OFF 100Hr ON 2500Hr SW18 4 8 Not yet used 2 On indoor controller board 1 SW1 Mode selector SW1 1 Switch that changes between FAN mode and AUTO mode OFF Not available ON Not available SW1 2 Not yet used SW1 3 Switch to change the temperature to start coil frost prevention OFF 34 F...

Page 32: ...ed indoor fan motor Address setting is available at any time The initial factory setting by is based on each capacity Model SW7 PL30AK PL36AK 1 2 3 ON OFF 1 2 3 ON OFF PL42AK 1 2 3 ON OFF PL24AK 1 2 3 ON OFF PL18AK 1 2 3 ON OFF 7 SW8 SW8 1 2 Ceiling high type switch See page 39 SW8 3 4 Discharge direction selector SW8 5 Option selector OFF Standard ON When mounting the optional high efficiency fil...

Page 33: ...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 controller due to noise wave emitted by other appliances 1 2 Check the wire 3 Turn the circuit breaker OFF and then turn ON If the remote controller remains abnormal despite the above measures replace the indoor controller board...

Page 34: ...on the remote controller does not apply to any unit power is not supplied to the unit Signal transmitting receiving circuit is abnormal 4 Check and repair the unit according to the check code Refer to page 35 OC246 34 2 SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER WIRED REMOTE CONTROLLER 2 1 When malfunction occurs during operation When a malfunction occurs the indoor and outdoor units stop and...

Page 35: ...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 resistance is normal replace the indoor controller board P6 Freezing protection overheating protection is working 1 Short cycle of air cycle 2 Dirty air filter 3 Damaged fan 4 Abnormal refrigerant 1 Clear...

Page 36: ...play remains OFF Indoor outdoor connect ing wire is connected incorrectly Indoor outdoor 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 Connector is poorly connected Indoor terminal block is poorly connected Remote controller ter minal block is poorly conne...

Page 37: ... 50 F 86 F Vane motor Drain pump Drain sensor Refer to the thermistor Refer to the thermistor Room temperature thermistor RT1 Liquid pipe thermistor RT2 1 2 Yellow Yellow 1 2 3 Normal 4 3k 9 6k Abnormal Open or short Abnormal Open or short Normal 0 6k 6 0k Normal Connector Abnormal 300 Open or short Normal Abnormal 101 Open or short Orange Red White Red Ñ Yellow Red Ñ Blue Red Ñ Orange Red Ñ White...

Page 38: ... Fixed number of B 3480k 2 Rt 15exp 3480 32 F 15k 50 F 9 6k 68 F 6 3k 77 F 5 2k 86 F 4 3k 104 F 3 0k Thermistor R0 6 0k 5 Fixed number of B 3390k 2 Rt 6exp 3390 32 F 6 0k 50 F 3 9k 68 F 2 6k 77 F 2 2k 86 F 1 8k 104 F 1 3k Thermistor for lower temperature 1 273 1 273 t 32 1 8 1 273 4 32 68 104 140 176 Thermistor for drain sensor Temperature F 0 1 2 3 4 5 6 7 8 9 10 Resistance K Thermistor for drain...

Page 39: ...iagram that are marked with a w if installing a multi function casement Option 2 According to the number of air outlets and height of the ceiling to install the unit be sure to set the up switches SW8 3 SW8 4 on the indoor board to the appropriate setting Correspondence of ceiling heights to numbers of air outlets Fresh air intake hole Fresh air intake hole diagram 3 1 8 Burring hole 4 15 16 Burri...

Page 40: ...nt High efficiency filter Taking air into the unit Multifunction casement Standard filter Multifunction casement High efficiency filter Taking air into the unit 3 Fresh air intake amount static pressure characteristics Q 0 B A C 1 Curve in the left graphs Duct characteristics at site Q A E C 2 Q Qa A D 3 Q Planned amount of fresh air intake A Static pressure loss of fresh air intake duct system wi...

Page 41: ... 5 7 8 Cut out hole 14 1 8 Burring hole 13 3 4 3 9 16 3 9 16 7 0 _ 3 15 16 3 15 16 3 15 16 5 1 8 w6 1 8 w6 9 16 Branch duct hole Figure 1 Branch duct mounting position Figure 2 Branch duct connection details Whenever the indoor unit is operating the duct fan also operates 1 Connect the optional multiple remote controller adapter PAC SA88HA E to the connector CN51 on the indoor controller board 2 D...

Page 42: ...ic pressure in W G O10 2 Air flow CFM 20 16 12 8 4 0 50 100 150 200 250 300 350 Hi Lo Static pressure in W G O10 2 Air flow CFM 20 16 12 8 4 0 50 100 150 200 250 300 350 Hi Lo Static pressure in W G O10 2 Air flow CFM 20 16 12 8 4 0 50 100 150 200 250 300 350 Rounded duct PL18AK PL24AK PL30 36 42AK 1 4 direction airflow Horizontal vane PL18AK PL24AK PL30 36 42AK Static pressure in W G O10 2 Air fl...

Page 43: ... 16 20 24 8 4 0 50 100 150 200 250 300 Static pressure in W G O10 2 Hi Lo 20 24 28 32 36 40 16 12 8 4 0 50 100 150 200 250 300 350 400 450 Air flow CFM Static pressure in W G O10 2 Hi Lo 20 24 28 32 36 40 16 12 8 4 0 50 100 150 200 250 300 350 400 450 Air flow CFM Static pressure in W G O10 2 PL18AK PL24AK PL30 36 42AK Rounded duct OC246 43 PL12AK PL12AK Air flow CFM 12 16 20 24 8 4 0 50 100 150 2...

Page 44: ...50 300 350 400 450 500 550 Static pressure in W G O10 2 Hi Lo Air flow CFM 50 60 70 80 90 100 110 120 40 30 20 10 0 50 100 150 200 250 300 350 400 450 500 550 Static pressure in W G O10 2 Hi Lo Air flow CFM 50 60 70 80 90 100 110 120 40 30 20 10 0 50 100 150 200 250 300 350 400 450 500 550 Static pressure in W G O10 2 Rounded duct PL18AK PL18AK PL24AK PL24AK 3 2 direction airflow Horizontal vane P...

Page 45: ...by 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 control 4 Individual control by grouping remote controllers See page OC246 48 Unit Remote controller Unit Unit By grouping the remote controllers in one place several units installed at different loca...

Page 46: ...r 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 control Th...

Page 47: ...the remote con trollers is used for the self diagnostic function the other remote controller displays the check mode If the self diagnostic function is reset by either of the two remote controllers both remote controllers are reset 4 REMOTE ON OFF AND INDIVIDUAL REMOTE CONTROLS This method is available to control one unit or any number of units The following operations are available by connecting ...

Page 48: ...alized monitoring of units installed in different places without a special control board Remote control cables are extendible up to 550 yards When the cable length exceeds 33ft 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 instal...

Page 49: ...on Lamp GL Check Lamp Field supplied parts Relays 12V DC with rated coil power consumption below 0 9W 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 maximum distance between indoor board and relay is 33ft YELLOW ORANGE RED BROWN 5 X2 X2 GL RL X1 X1 1 Wiring CN51 Indoor cont...

Page 50: ...P for drain sensor 5 Remove the 3 screws from the electrical box loosen anoth er 2 screws to remove the box Electrical parts in the electrical box Indoor controller board Power supply board Terminal block Capacitor PL18AK Be careful on removing heavy parts Photo 2 Figure 1 Air intake grille Grille Nut Air intake grille knob 2 Removing the room temperature thermistor 1 Remove the screw 1 in the roo...

Page 51: ...crews Slide the panel so that the screw comes to a large diameter of the oval hole which has two different diameters Photo 6 Photo 5 Photo 4 4 Remove the fan motor 1 Remove the bell mouth See photo 1 2 Remove the electrical box See photo 2 3 Remove the turbo fan nut 4 Pull out the turbo fan 5 Disconnect the connector of the fan motor lead wire 6 Remove the 4 nuts of the fan motor Photo 3 Fan motor...

Page 52: ...pport 9 Remove the 2 screws of the coil 10 Pull out the heat exchanger 8 Removing the drain pump and drain sensor 1 Remove the panel See photo 5 2 Remove the bell mouth See photo 1 3 Remove the electrical box See photo 2 4 Remove the drain pan See photo 6 5 Remove the 3 screws of the drain pump 6 Cut the drain hose band pull out the drain hose from the drain pump 7 Pull out the drain pump 8 Remove...

Page 53: ...7 8 9 10 11 12 13 14 AIR OUTLET GRILLE VANE ASSY CORNER PANEL CORNER PANEL L L FILTER GRILLE ASSY VANE MOTOR VANE BUSH GEAR VANE GEAR REMOTE CONTROLLER BOARD CABLE ASSY SCREW ASSY FUSE 1 4 1 3 1 1 4 8 4 4 1 1 1 1 MV R B F3 T7W E13 003 T7W E05 002 R01 E01 638 R01 E00 638 R01 E00 500 R01 E00 691 R01 E00 223 R01 E00 063 R01 E00 040 R01 E01 040 T7W E05 713 T7W A00 305 T7W E00 673 T7W E03 239 35ft 250V...

Page 54: ...1 1 1 1 4 1 1 1 1 1 4 1 1 1 1 1 4 1 1 1 1 1 4 R01 E00 114 R01 E01 114 R01 08K 097 T7W E76 480 T7W E77 480 T7W E78 480 T7W E79 480 T7W E80 480 T7W E06 202 T7W E09 762 T7W E10 762 R01 A41 105 TURBO FAN TURBO FAN SPL WASHER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER HEAT EXCHANGER PIPE TEMPERATURE THERMISTOR FAN MOTOR FAN MOTOR RUBBER MOUNT 42 AK 1 1 1 1 1 4 RT2 MF MF 12 AK 1 1 1 1 1...

Page 55: ... 1 1 1 1 1 2 1 1 2 1 1 1 1 1 T7W E00 527 T7W E04 355 R01 E00 266 R01 31K 241 R01 E02 313 T7W 410 239 T7W E15 310 R01 E00 202 R01 556 246 T7W E12 716 T7W E05 255 T7W E04 255 R01 A41 524 R01 A48 524 T7W E09 529 T7W E06 529 T7W E07 529 T7W E08 529 DRAIN HOSE DRAIN PUMP DRAIN SENSOR SENSOR HOLDER POWER BOARD FUSE CONTROLLER BOARD ROOM TEMPERATURE THERMISTOR TERMINAL BLOCK TERMINAL BLOCK CAPACITOR CAPA...

Page 56: ... the right the set temperature rises 4 degrees automatically during the setback operation When the setback operation ends normal operation will begin 3 Weekly timer function Daily timer function can apply to each day of the week 1 REFRIGERANT PIPES Service Ref PL12 18 24AK Service Ref PL30 36 42AK 2 TIMER When using a program timer a program timer adapter PAC 825AD is also needed 2 1 Program timer...

Page 57: ... of 3 pattern MONITOR Indicates the current timer set ting All switch expect MODE SELECTOR SW are invalidated then This is the normal status SET Set to SET mode for clock adjustment charge of week day daily and weekly timer setting Push SW to advance the time Each time the button is pushed the time advance by 1 minute pushing continuously advances by 1 minute at 0 5 second interval and when the lo...

Page 58: ...8 24 30 36 42AK Part No Applicable Model PAC SG01KF PL12 18 24 30 36 42AK 6 HIGH EFFICIENCY FILTER ELEMENT 7 AIR OUTLET SHUTTER PLATE Part No Applicable Model PAC SG06SP E PL12 18 24 30 36 42AK 5 MULTI FUNCTION CASEMENT For HIGH EFFICIENCY FILTER AND FRESH AIR INTAKE ORN 1 2 3 BRN RED 3 TIMER ADAPTER This adapter is needed for system control and for operation via external contacts Adapter connecti...

Page 59: ...TD Distributed in Jun 2001 No OC256 REVISED EDITION B 20 Distributed in Mar 2001 No OC256 REVISED EDITION A 20 Distributed in Dec 2000 No OC256 Printed in Atlanta 07 2001 New publication effective Jun 2001 Specifications subject to change without notice ...

Page 60: ...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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