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TECHNICAL & SERVICE MANUAL

SPLIT-TYPE, AIR CONDITIONERS

CONTENTS

1. FEATURES ························································2

2. TECHNICAL CHANGE ······································3

3. COMBINATION OF INDOOR AND OUTDOOR UNITS ··············4

4. PART NAMES AND FUNCTIONS·····················4

5. SPECIFICATIONS ·············································5

6. DATA··································································6

7. OUTLINES AND DIMENSIONS ························9

8. WIRING DIAGRAM··········································13

9. REFRIGERANT SYSTEM DIAGRAM ···················18

10. MICROPROCESSOR CONTROL····················19

11. TROUBLESHOOTING ·····································21

12. DISASSEMBLY INSTRUCTIONS····················25

13. PARTS LIST·····················································29

<Outdoor unit>

Models

Outdoor unit

PU12EK

PU18EK PU18EK

PU24EK PU24EK

PU24EK

PU30EK PU30EK

PU30EK

PU36EK PU36EK

PU36EK

PU42EK2 PU42EK2

PU42EK7 PU42EK7

PU42EK7

No. OC247

REVISED EDITION-E

L IST ED

•Please void OC247 REVISED EDITION-D.

Revision:
•Wiring diagram for PU12EK has been modified in

”8. WIRING DIAGRAM”.

•Transformer and outdoor controller board for

PU12EK has been modified in ”13. PARTS LIST”.

Note:
•Refer to other manual as for Indoor Units.

Model name
indication

OC247-E--1.qxp 04.8.11 4:25 PM Page 1

Содержание PU12EK

Страница 1: ...EMBLY INSTRUCTIONS 25 13 PARTS LIST 29 Outdoor unit Models Outdoor unit TM PU12EK PU18EK PU18EK1 PU24EK PU24EK1 PU24EK2 PU24EK3 PU30EK PU30EK1 PU30EK2 PU30EK3 PU36EK PU36EK1 PU36EK2 PU36EK3 PU42EK2 PU...

Страница 2: ...This easy access design makes it possible to install a number of units in a compact arrangement at a single site The outdoor unit allows for unheard of flexibility in determining a piping layout thus...

Страница 3: ...DATA and 13 PARTS LIST for details PU42EK7 PU42EK71 1 COMPRESSOR CONTACTOR has been changed to the one equipped THERMAL RELAY Refer to 8 WIRING DIAGRAM and 13 PARTS LIST for details 2 OUTDOOR CONTROLL...

Страница 4: ...ECOND EDITION OC192 12 EK EK EK1 EK EK1 EK2 EK3 EK EK1 EK2 EK3 EK EK1 EK2 EK3 EK2 EK7 EK71 EK72 EK21 PK EK OC001 SECOND EDITION OC003 SECOND EDITION 4 PART NAMES AND FUNCTIONS PU18EK PU18EK1 Outdoor u...

Страница 5: ...lared PU36EK 22 0 75 0 75 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 Outdoor intake air temperature D B...

Страница 6: ...20 20 4 lbs 14 oz 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 RH167NAB NH33NBD Unit PU12EK PU30EK PU30EK1 PU24EK PU24EK1 PU18EK P...

Страница 7: ...re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz SPL dB LINE PU24EK PU30EK PU24EK1 PU30EK1 PU24EK2 PU30EK2 PU24EK3 PU30EK3 55 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE T...

Страница 8: ...re 0 0002 MICRO BAR 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 SPL dB LINE 56 PU42EK2 PU42E...

Страница 9: ...tion 5 8 Knock out hole for front piping Knock out hole for front piping Knock out holes for power line 1 1 16 15 32 29 32 Oval holes Drain hole Drain hole standard bolt M10 refrigerant drainage and w...

Страница 10: ...rant 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 Allow adeq...

Страница 11: ...ight piping refrigerant 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...

Страница 12: ...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 clearance...

Страница 13: ...L2 GR TB1 O B LED TH3 YLW BRN AC12 3V RED RED WHT WHT WHT RED R R S C T C U 52C MC 51C W GRN WHT BLU BLU WHT 1 2 RED WHT RED ORN GRY GRY WHT WHT BLU YLM YLM YLM YLM RED RED BLU BLU WHT BLU RED ORN AC...

Страница 14: ...TH3 YLW BRN 11 5V AC RED RED WHT WHT WHT RED R R S C T C U 52C MC 51C W GRN WHT BLU BLU WHT 1 2 RED WHT RED ORN GRY GRY WHT WHT BLU YLM YLM YLM YLM RED RED BLU BLU WHT BLU RED ORN 15 5V AC 208V 230V...

Страница 15: ...ED when both No 1 and 2 of SW3 are OFF NOTES If the operation stops to function of the protection device the check display flashes How to use SW1 and 2 Pressing SW1 erases the past check contents load...

Страница 16: ...19 COMPRESSOR START RELAY Main functions of LED when both No 1 and 2 of SW3 are OFF NOTES If the operation stops to function of the protection device the check display flashes How to use SW1 and 2 Pr...

Страница 17: ...disconnecting the white connector as shown at the right CAUTIONS FOR POWER SUPPLY WIRING Since LD8 lights when normal power is turned ON check the power supply with the ON or OFF LD8 Since the indoor...

Страница 18: ...pipe Option 3 4 with heat insulator Outdoor heat exchanger Refrigerant pipe Option 1 2 with heat insulator Flexible tube Flared connection Ball valve Fusible plug High Pressure Switch Outdoor coil the...

Страница 19: ...ncy is phase controlled so that the outdoor coil temperature reaches the target temperature This control enables cooling operation even if the outdoor temperature is low Fan rotational frequency is ad...

Страница 20: ...PROM data loading check mode and total time of compressor operation 7 Coil temperature initial input 2 If an open phase or a reversed phase is sensed LED blinks every other second NOTE If power is not...

Страница 21: ...tate 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 ON OFF and SW3 2...

Страница 22: ...arts 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...

Страница 23: ...orking Check 51C LD6 Thermal switch 26C function PU42EK7 PU42EK71 26C was connected incorrectly 26C is working Check 26C Check if refrigerant supply is low Check if the capillary tube is clogged LD7 O...

Страница 24: ...or then measure the resistance using a tester Surrounding temperature 50 F 86 F Measure the resistance between the terminals using a tester CRANKCASE HEATER HC OUTDOOR COIL THERMISTOR TH3 Normal 4 3k...

Страница 25: ...u 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...

Страница 26: ...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 connector from high pressure switch crank case he...

Страница 27: ...lling 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...

Страница 28: ...pport 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 connector from high pressure swit...

Страница 29: ...R01 A08 661 R01 A00 661 R01 A00 658 R01 A08 682 R01 A00 682 R01 A08 698 R01 A00 698 R01 A00 641 T7W E03 130 SIDE PANEL SIDE PANEL FRONT PANEL FRONT PANEL FAN GUARD BASE ASSEMBLY SERVICE PANEL SERVICE...

Страница 30: ...1 1 1 1 1 1 1 R01 A11 662 R01 A00 675 R01 A00 655 R01 A11 668 R01 A10 686 T7W E00 529 R01 A11 661 R01 A00 658 R01 A11 682 T7W E04 698 T7W E02 641 T7W E04 130 SIDE PANEL LEFT FAN GUARD PANEL HANDLE FRO...

Страница 31: ...T7W E02 130 36EK 36EK1 36EK2 36EK3 1 1 2 3 1 1 1 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 42EK2 42EK21 42EK72 42EK7 42EK71 1 1 2 3 1 1 1 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 SIDE PANEL LEFT FR...

Страница 32: ...FUNCTIONAL PARTS PU12EK PU18EK PU18EK1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 32...

Страница 33: ...2 T7W 850 763 R01 A00 115 T7W 850 208 T7W 966 238 T7W 969 238 T97 665 600 T92 650 452 T7W 850 236 R01 943 410 R01 951 411 R01 943 411 R01 590 413 R01 A00 440 T7W 973 507 T7W E07 425 R01 600 425 R01 J0...

Страница 34: ...34 FUNCTIONAL PARTS PU24EK PU24EK1 PU24EK2 PU24EK3 1 2 1 2 5 3 4 6 7 8 9 20 12 13 14 15 16 17 18 19 10 11 21 23 22...

Страница 35: ...246 R01 K92 408 R01 30L 097 FAN MOTOR PROPELLER HIGH PRESSURE SWITCH CHARGE PLUG COMPRESSOR COMPRESSOR CRANKCASE HEATER BALL VALVE BALL VALVE CAPILLARY TUBE FUSIBLE PLUG ACCUMULATOR OUTDOOR COIL THER...

Страница 36: ...36 FUNCTIONAL PARTS PU30EK PU30EK1 PU30EK2 PU30EK3 1 2 1 2 5 3 4 6 7 8 9 20 12 13 14 15 16 17 18 19 10 11 21 23 22...

Страница 37: ...KCASE HEATER BALL VALVE BALL VALVE CAPILLARY TUBE FUSIBLE PLUG ACCUMULATOR OUTDOOR COIL THERMISTOR CONTACTOR COMPRESSOR CAPACITOR FAN MOTOR CAPACITOR TRANSFORMER TRANSFORMER FUSE TERMINAL BLOCK OUTDOO...

Страница 38: ...38 FUNCTIONAL PARTS PU36EK PU36EK1 PU36EK2 PU36EK3 1 1 2 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 19 20 13 22 22 21...

Страница 39: ...O B O B TB3 FAN MOTOR PROPELLER HIGH PRESSURE SWITCH CHARGE PLUG COMPRESSOR COMPRESSOR CRANKCASE HEATER BALL VALVE BALL VALVE CAPILLARY TUBE FUSIBLE PLUG OUTDOOR COIL THERMISTOR ACCUMULATOR CONTACTOR...

Страница 40: ...40 1 2 7 8 9 11 12 13 14 16 19 20 21 22 23 24 15 25 10 17 18 25 1 5 3 4 2 6 FUNCTIONAL PARTS PU42EK2 PU42EK21...

Страница 41: ...V 43W 3 4 1 2 0 157o0 079o7 1 AMVL320B S K35UR 65 F 400V 65 F 400V 15K 4W 4 F 440V 250V 6A 3P L1 L2 GR 2P 1 2 2 2 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 2 2 2 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1...

Страница 42: ...42 2 9 10 11 12 13 14 16 18 19 20 21 22 15 7 4 6 5 2 8 FUNCTIONAL PARTS PU42EK7 PU42EK71 PU42EK72 1 1 17 23 23 3...

Страница 43: ...1 1 1 1 1 1 2 1 1 1 1 2 2 2 2 1 1 2 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 2 2 MF1 2 63H2 26C MC CH TH3 52C 51C 52C T C C3 4 F3 O B F O B TB1 O B O B TB3 FAN MOTOR PROPELLER HIGH PRESSURE SWITCH DISCHARGE T...

Страница 44: ...in Aug 2004 No OC247 REVISED EDITION D PDF 9 Distributed in Dec 2002 No OC247 REVISED EDITION C 17 Distributed in Dec 2002 No OC247 REVISED EDITION B 17 Distributed in May 2001 No OC247 REVISED EDITI...

Страница 45: ...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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