Mitsubishi Mr.SLIM PUH18EK Technical & Service Manual Download Page 40

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Distributed in Dec. 2002 No.OC245 REVISED EDITION-C 17
Distributed in Dec. 2002 No.OC245 REVISED EDITION-B 17
Distributed in May 2001 No.OC245 REVISED EDITION-A 25
Distributed in Mar. 2001 No.OC245 20

New publication, effective Dec. 2002
Specifications subject to change without notice.

OC245-C--2.qxp 02.12.19 10:12 AM Page 40

Summary of Contents for Mr.SLIM PUH18EK

Page 1: ...OL 16 11 TROUBLESHOOTING 20 12 DISASSEMBLY INSTRUCTIONS 25 13 PARTS LIST 29 Outdoor unit Models Outdoor unit TM PUH18EK PUH24EK PUH24EK1 PUH30EK PUH30EK1 PUH30EK2 PUH36EK PUH36EK1 PUH36EK2 PUH42EK PUH...

Page 2: ...mprove the quality of work and reliability and also helps to speed up the installation work With normal circulation systems a high pressure refrigerant condensed for cooling by the outdoor heat exchan...

Page 3: ...55 64 I1 16 1 29 64 I5 64 1 27 64 I5 64 1 31 32 Unit inch Unit inch PUH24EK PUH24EK1 PUH30EK1 PUH30EK2 PUH36EK1 PUH36EK2 Change points COMPRESSOR has been changed PUH24EK model NH33NBD NH33NBDT PUH30...

Page 4: ...ntake Air outlet PUH30EK PUH36EK PUH42EK PUH42EK7 PUH30EK1 PUH36EK1 PUH42EK1 PUH42EK71 PUH30EK2 PUH36EK2 Outdoor unit Indoor unit Models Service manual No PLH AK PLH FK PCH EK PKH EK PKH FK 3 PKH FL P...

Page 5: ...pplied optional parts 3 4 Flared Flared PUH36EK 22 0 16 0 17 33 39 49 9 16 10 lbs 9 oz Max 164 Max 164 Item Operating range Indoor intake air temperature D B 95 F W B 71 F D B 67 F W B 57 F D B 80 F W...

Page 6: ...9 9 20 20 20 20 5 lbs 8 oz 9 lbs 15 oz 10 lbs 2 oz 10 lbs 9 oz 12 lbs 9 oz 11 lbs 0 oz Compressor model Winding Resistance R C S C RH247NAB NH33NBD Unit PUH18EK PUH24EK PUH30EK PUH30EK1 NH41NAD 1 59 3...

Page 7: ...SPL dB LINE PUH24EK PUH24EK1 55 90 80 70 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD...

Page 8: ...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 1 2 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 Al...

Page 9: ...drainage 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 9 16 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 ad...

Page 10: ...15 1 16 37 3 4 2 3 8 20 5 8 1 9 16 49 9 16 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 cleara...

Page 11: ...R 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...

Page 12: ...63H2 51CM MF2 MF1 Since the indoor and outdoor connecting wires has polarity make sure to connect the same terminal numbers 1 2 3 for indoor and outdoor units CAUTION FOR INDOOR AND OUTDOOR CONNECTING...

Page 13: ...LW YLW YLW YL W BLU BLU WHT BLU WHT FC 26C 63H2 51CM MF2 MF1 2 Symbols used in wiring diagram above are Terminal block Connector PC board insertion tab Bypass valve ON 4 Way valve ON 63H1 ON Heating i...

Page 14: ...TOR CAPACITOR COMPRESSOR CAPACITOR C C1 2 63H2 63H1 52C ZNR O B X14 O B X12 O B X13 O B COMPRESSOR RELAY 21S4 RELAY 21R RELAY VARISTOR COMPRESSOR CONTACTOR CONTROL HIGH PRESSURE SWITCH PROTECT HIGH PR...

Page 15: ...ypass valve Oil separator 4 way valve Control high pressure switch Protect high pressure switch Outdoor coil thermistor RT Restrictor valve Capillary tube PUH30EK PUH30EK1 PUH30EK2 0 157x 0 079x23 6 x...

Page 16: ...ion 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 t...

Page 17: ...c in item A b 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 defr...

Page 18: ...e 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...

Page 19: ...gain 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...

Page 20: ...etween output state and check code alternately 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 O...

Page 21: ...eration 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...

Page 22: ...rking Check 51C LD6 Thermal switch 26C function PUH42EK7 PUH42EK71 26C was connected incorrectly 26C is working Check 26C Check if refrigerant supply is low Check if the capillary tube is clogged LD7...

Page 23: ...ration 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...

Page 24: ...9 118 7 61 5 79 8 Open or short Normal PUH18 36 42 PUH24 30 Abnormal 1440 1190 Open or short Measure the resistance between the terminals using a tester Surrounding temperature 68 F BYPASS VALVE SOLEN...

Page 25: ...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...

Page 26: ...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 connecto...

Page 27: ...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...

Page 28: ...screws The valve bed is clasped on the right and left sides Lift to remove 7 Remove the electrical parts box Remove the respective connector from high pressure switch Low pressure switch crank case he...

Page 29: ...4 5 6 7 8 9 10 1 1 1 1 1 1 1 1 1 1 R01 A08 662 R01 A08 668 R01 A00 675 R01 A00 686 R01 A08 661 R01 A00 658 R01 A08 682 R01 A08 698 R01 A00 641 T7W E03 130 SIDE PANEL FRONT PANEL FAN GUARD BASE ASSEMBL...

Page 30: ...9 10 11 1 2 1 3 1 1 1 1 1 1 1 24EK1 1 2 1 3 1 1 1 1 1 1 1 R01 A11 662 R01 A00 675 R01 A11 668 R01 A00 655 R01 A10 686 R01 A11 661 R01 A00 658 R01 A11 682 T7W E04 698 T7W E02 641 T7W E04 130 SIDE PANEL...

Page 31: ...EK71 SIDE PANEL FRONT PANEL FAN GUARD PANEL HANDLE BASE ASSEMBLY BASE ASSEMBLY PANEL COVER REAR PANEL SERVICE PANEL REAR GUARD TOP PANEL MOTOR SUPPORT MOTOR SUPPORT R01 A14 662 R01 A14 668 R01 A00 675...

Page 32: ...32 FUNCTIONAL PARTS PUH18EK 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...

Page 33: ...AN MOTOR PROPELLER FAN CONTROL HIGH PRESSURE SWITCH PROTECT HIGH PRESSURE SWITCH COMPRESSOR CRANKCASE HEATER BALL VALVE BALL VALVE CHARGE PLUG ACCUMULATOR OVERCURRENT RELAY CHARGE PLUG STRAINER FUSIBL...

Page 34: ...34 FUNCTIONAL PARTS PUH24EK PUH24EK1 1 2 1 2 5 3 4 6 7 8 9 10 21 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 30 11 12 31 31...

Page 35: ...6 T7W A31 408 R01 30L 097 R01 A00 425 FAN MOTOR PROPELLER FAN PROTECT HIGH PRESSURE SWITCH CONTROL HIGH PRESSURE SWITCH CHARGE PLUG COMPRESSOR COMPRESSOR CRANKCASE HEATER BALL VALVE BALL VALVE OIL SEP...

Page 36: ...6EK1 36EK2 1 2 3 4 5 6 2 2 1 1 1 1 2 2 1 1 1 1 2 2 1 1 1 1 PUH 2 2 1 1 1 1 2 2 1 1 1 1 2 2 1 1 1 1 T7W 852 763 R01 A00 115 T7W A30 208 R01 A00 208 T7W E05 413 T97 511 300 T97 502 400 T97 518 300 T97 5...

Page 37: ...5 R01 576 255 T7W 410 239 T7W 850 716 T7W E08 315 R01 377 246 T7W E22 408 T7W E23 408 R01 30L 097 R01 A14 490 R01 A00 425 T7W A10 425 240V 43W 3 4 1 2 0 157o0 079o23 6 0 157o0 079o17 7 S K25UR S N25EX...

Page 38: ...R01 02L 413 T97 513 300 T97 513 500 T7W 851 236 R01 670 411 PA6N100UG OPEN psiG 469 OPEN psiG 363 NH569NXA ZR42K3PFV 240V 43W 3 4 2 2 1 1 1 1 1 1 42EK7 2 2 1 1 1 1 1 1 42EK71 2 2 1 1 1 1 1 1 2 2 1 1 1...

Page 39: ...o0 118o7 87 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 2 2 1...

Page 40: ...in Dec 2002 No OC245 REVISED EDITION C 17 Distributed in Dec 2002 No OC245 REVISED EDITION B 17 Distributed in May 2001 No OC245 REVISED EDITION A 25 Distributed in Mar 2001 No OC245 20 New publicati...

Page 41: ...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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