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SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

CONTENTS

1. FEATURES ·························································2
2. TECHNICAL CHANGES ····································5
3. PART NAMES AND FUNCTIONS······················7
4. INDOOR UNIT COMBINATION························10
5. SPECIFICATION ···············································11
6. DATA·································································17
7. OUTLINES AND DIMENSIONS ·······················39
8. WIRING DIAGRAM ··········································43
9. REFRIGERANT SYSTEM DIAGRAM ··············51

10. MICROPROCESSOR CONTROL ····················54
11. SERVICE FUNCTIONS·····································72
12. TROUBLESHOOTING······································75
13. DISASSEMBLY INSTRUCTIONS···················101
14. PARTS LIST····················································114
15. OPTIONAL PARTS·········································126

Wireless type
Models

MSH09TW

· MUH09TW

MSH12TN

· MUH12TN

MSH15TN

· MUH15TN

MSH17TN

· MUH17TN

MSH09TW

-

· MUH09TW

-

MSH12TN

-

· MUH12TN

-

· MUH12TN

-

MSH15TN

-

· MUH15TN

-

· MUH15TN

-

MSH17TN

-

· MUH17TN

-

U1

U1

U2

U1

U1

U2

U1

U1

U1

U1

No. OB275

REVISED EDITION-D

The Slim Line.
From Mitsubishi Electric.

L IST ED

C

US

MSH12TN
MSH15TN
MSH17TN
INDOOR UNIT

MUH15TN
OUTDOOR UNIT

Remote
controller

MSH12TN

-

MSH15TN

-

MSH17TN

-

U1

U1

U1

MUH15TN

-

MUH15TN

-

U2

U1

TM

Inverter-controlled multi system Model

· MXZ30TN
· MXZ30TN2

Revision:

●

MUH12TN-

has been added.

●

MUH15TN-

has been added.

●

REFRIGERANT SYSTEM DIAGRAM of
MXZ30TN and MXZ30TN2 has partly been
changed.

●

PARTS LIST of MXZ30TN and MXZ30TN2
has partly been changed

●

Please void OB275 Revised edition-C.

U2

U2

Indication of
model name

Indication of
model name

OB275--1.qxp 03.12.2 16:49 Page 1

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Содержание MSH09TW

Страница 1: ...5TN MSH17TN MUH17TN MSH09TW MUH09TW MSH12TN MUH12TN MUH12TN MSH15TN MUH15TN MUH15TN MSH17TN MUH17TN U1 U1 U2 U1 U1 U2 U1 U1 U1 U1 No OB275 REVISED EDITION D The Slim Line From Mitsubishi Electric LIST ED C US MSH12TN MSH15TN MSH17TN INDOOR UNIT MUH15TN OUTDOOR UNIT Remote controller MSH12TN MSH15TN MSH17TN U1 U1 U1 MUH15TN MUH15TN U2 U1 TM Inverter controlled multi system Model MXZ30TN MXZ30TN2 Re...

Страница 2: ...low ambient temperature Refer to U1 U1 U1 U1 DIFFERENT POINTS between models for USA and CANADA AMBIENT TEMPERATURE THERMISTOR INTERVAL TIME START TEMPERATURE FINISH TEMPERATURE DEFROSTING Have 15min 32 F 50 F 8 WIRING DIAGRAM 10 MICRO PROCESSOR CONTROL 10 1 HEAT mode of I FEEL CONTROL 5 Outdoor temperature control P 60 10 MICRO PROCESSOR CONTROL 10 1 HEAT mode of I FEEL CONTROL 3 Defrosting P 59 ...

Страница 3: ...d air flow direction REMOTE CONTROL OPERATION MODE Using the remote controller you can select from five airflow set tings to match room layout and the location of people Also you can set the vane to swing automatically AUTO RESTART FUNCTION The auto restart function restarts the equipment when power is restored following an outage automatically Operation resumes in the mode in which the equipment ...

Страница 4: ...on is controlled to maximize efficiency changing speeds according to the cooling and heating load of a room This application means the desired temperature is reached much faster Optimum Comfort Year Round Unlike conventional units that start and stop repetitively inverter units are able to detect subtle changes in room temperature and adjust airflow automatically This adaptation means less tempera...

Страница 5: ...UH17NN2 MUH17TN 1 Valve type has changed Size for connecting pipe is the same MSH09NW2 MSH09TW 1 Indoor unit has changed 2 Remote controller has changed MSH12NN2 MSH12TN 1 Remote controller has changed 2 Union size of connect pipe for gas has changed MSH15NN2 MSH15TN MSH17NN2 MSH17TN 1 Remote controller has changed MUH09NW2 MUH09TW 1 Outdoor unit has changed MUH12NN2 MUH12TN 1 Outdoor unit has cha...

Страница 6: ...rter controlled circuit 2 Noise filter P C board for MXZ30TN and MXZ30TN2 are not interchangeable 3 Service parts have been changed as follows according to above change The value of R resistor has changed 10Ω 20Ω TB5 terminal block has been removed MUH12TN MUH12TN MUH15TN MUH15TN 1 Outdoor haet exchanger has changed Outdoor haet exchanger for TN and TN are not interchangeable U2 U1 U2 U1 U2 U1 ...

Страница 7: ...he grille is opened MSH09TW MSH09TW U1 MSH09TW MSH09TW U1 MSH12TN MSH12TN MSH15TN MSH15TN MSH17TN MSH17TN U1 U1 U1 MSH12TN MSH15TN MSH17TN MSH12TN MSH15TN MSH17TN U1 U1 U1 MSH12TN MSH12TN MSH15TN MSH15TN MSH17TN MSH17TN U1 U1 U1 Installation plate Installation plate fixing screw 4 x 25 mm 0 16 x 0 98 in Remote controller mounting hardware Fixing screw for 3 3 5 x 16 mm 0 14 x 0 63 in Black Battery...

Страница 8: ...n hose Air outlet Drain outlet back and side OUTDOOR UNIT MUH09TW MUH09TW MUH12TN MUH12TN MUH12TN U2 U1 U1 MUH17TN MUH17TN U1 MUH15TN MUH15TN U2 U1 MUH15TN Air inlet Air outlet back and side Model indication MXZ30TN MXZ30TN2 ...

Страница 9: ...NE MODE STOP START HR MIN I FEEL COOL HEAT DRY PM CLOCK AM RESET CLOCK Open the front lid Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button TIME SET button ON TIMER button RESET button VANE CONTROL button CLOCK SET button ...

Страница 10: ...ty BTU h Total Outdoor unit power consumption W Current A Power factor 208V 230V NOTE Electrical data is for outdoor unit only MXZ30TN MXZ30TN2 09 12 15 17 09 09 09 12 09 15 09 17 12 12 09 09 09 09 09 12 90 90 90 90 90 90 90 90 90 90 90 4 3 4 7 5 5 6 3 7 6 8 6 9 4 10 6 9 9 10 6 11 0 4 8 5 2 6 1 6 9 8 4 9 6 10 4 11 7 10 9 11 8 12 1 9 530 12 960 10 500 5 790 16 950 13 500 6 420 22 400 14 800 6 470 2...

Страница 11: ...hod Between the indoor outdoor units Refrigerant charge R22 Refrigerating oil Model Btu h Btu h Btu h W W V phase Hz A A F L A A kW CFM CFM pt h dB A in in in in Ib V phase Hz A A F L A R L A L R A dB A in in in Ib in in ft ft lb oz 8 800 10 500 5 300 890 890 820 9 9 10 0 6 8 5 9 3 46 White 115 1 60 15 0 5 0 37 198 244 297 173 145 226 187 279 233 2 3 26 31 36 5 8 33 1 2 7 1 2 10 15 16 20 Munsell 5...

Страница 12: ...39 42 5 8 39 15 16 7 1 2 12 5 8 31 Munsell 5Y7 1 208 230 1 60 14 C R 1 68 C S 2 78 10 0 35 0 Capillary tube Reverse cycle Wireless type 12V DC Not supplied optional parts 1 4 0 0265 Flared Flared Max 25 Max 50 16 1 MS56 14 300 14 600 14 500 14 800 8 700 8 900 1 350 1 380 1 250 1 300 1 210 1 240 10 6 10 6 10 7 10 7 3 40 3 34 293 321 367 4 7 20 0 52 RH207NHDT 53 33 7 16 11 7 16 23 13 16 99 5 8 0 031...

Страница 13: ...6 800 17 200 10 100 10 300 1 560 1 580 1 500 1 570 1 410 1 510 10 3 10 3 10 4 10 4 6 8 6 8 5 9 5 9 3 28 3 21 White 115 1 60 15 0 7 0 51 406 441 491 342 371 413 5 1 40 43 45 5 8 39 15 16 7 1 2 12 5 8 31 Munsell 5Y 7 1 208 230 1 60 20 15 0 75 RH231NHDT C R 1 65 C S2 67 11 0 38 0 Capillary tube 53 Reverse cycle 34 1 4 11 5 8 33 1 2 128 Wireless type 12V DC Not supplied optional parts 1 4 0 0265 5 8 0...

Страница 14: ...ess Outside diameter Minimum Wall thickness MSH09TW MUH09TW MSH12TN MUH12TN MSH15TN MUH15TN MSH17TN MUH17TN MSH09TW MUH09TW MSH12TN MUH12TN MUH12TN MSH15TN MUH15TN MUH15TN MSH17TN MUH17TN Additional piping Max length ft A 50 Gas Piping size in Length of connecting pipe in Liquid Indoor unit Outdoor unit Model U1 U1 U1 U1 U2 U1 U1 U2 U1 U1 Gas Liquid 0 0 Gas Liquid 16 15 16 19 11 16 3 8 1 2 5 8 1 4...

Страница 15: ...Flared Flared Max 33 Max 200 8lb 10oz 26 7 MS56 1 3 1 1 2 1 1 2 Cooling Heating 47 Heating 17 Cooling Heating 47 Heating 17 Cooling Heating Heating Triple Unit Double Unit Single Unit NOTE Test conditions are based on ARI 210 240 Cooling Heating Mode 1 A Cooling Steady State at rated compressor Speed 3 B 2 Cooling Steady State at rated compressor Speed B 1 Cooling Steady State at minimum compresso...

Страница 16: ...ight difference between units H 33ft MAX Bending point for each unit 25 MAX Total bending point 60 MAX It does not matter which unit is higher a b c Outdoor unit Indoor units H H H MAX REFRIGERANT PIPING LENGTH PIPE SIZE SELECTION MXZ30TN MXZ30TN2 Liquid 1 4 Gas 3 8 Liquid 1 4 Gas 1 2 Liquid 1 4 Gas 5 8 Liquid 1 4 Gas 3 8 Liquid 1 4 Gas 1 2 Liquid 1 4 Gas 5 8 Use a different diameter pipe of the o...

Страница 17: ...SH12TN MSH15TN MSH17TN U1 U1 U1 U1 MUH09TW MUH12TN MUH15TN MUH17TN MUH09TW MUH12TN MUH12TN MUH15TN MUH15TN MUH17TN U1 U2 U1 U2 U1 U1 Model Indoor air Outdoor intake air DB temperature F 71 67 63 71 67 63 71 67 63 TC 15 4 14 6 13 7 17 5 16 6 15 6 19 6 18 6 17 4 SHC 8 9 10 4 11 6 9 1 10 8 12 2 9 9 11 9 13 5 TPC 1 14 1 08 1 02 1 20 1 13 1 08 1 39 1 31 1 25 TC 14 4 13 6 12 7 16 4 15 4 14 4 18 3 17 3 1...

Страница 18: ...al Capacity x103 Btu h TPC Total Power Consumption kW 2 Above data is for heating operation without any frost 208V Model Indoor air Outdoor intake air WB temperature F 75 70 65 75 70 65 75 70 65 TC 7 5 8 0 8 2 8 4 8 9 9 1 9 7 10 3 10 6 TPC 0 88 0 85 0 81 0 93 0 90 0 86 1 12 1 08 1 04 TC 9 4 9 8 10 2 10 5 10 9 11 4 12 2 12 6 13 2 TPC 1 03 1 01 0 97 1 09 1 07 1 03 1 31 1 28 1 24 TC 11 2 11 5 11 9 12...

Страница 19: ...r DB temperature F Indoor intake air WB temperature F Indoor intake air WB temperature F Cooling SHF at rating condition 0 70 233CFM 0 23 Airflow Bypass Factor 12 10 8 6 1 2 65 75 85 95 105 115 0 8 0 6 Total power consumption kW Total capacity 10 Btu h Outdoor intake air WB temperature F Indoor intake air DB temperature F Indoor intake air DB temperature F Heating 297CFM Airflow 12 14 10 8 6 1 1 1...

Страница 20: ...n 0 71 388CFM 0 15 Airflow Bypass Factor 65 75 85 95 105 115 Total power consumption kW Total capacity 10 Btu h Outdoor intake air DB temperature F Indoor intake air DB temperature F Heating 452CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h Outdoor intake air WB temperature F 0 8 1 0 1 2 1 4 Indoor intake air DB temperature F MSH12TN MUH12TN MUH12TN U2 U1 U1 ...

Страница 21: ...ower consumption kW Total capacity 10 Btu h 22 18 14 10 2 Outdoor intake air DB temperature F Indoor intake air DB temperature F Heating 452CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h 20 16 8 1 4 0 8 Outdoor intake air WB temperature F 1 12 1 0 1 2 0 6 Indoor intake air DB temperature F Indoor intake air WB temperature F MSH15TN MUH15TN MUH15TN U2 U1 U1 ...

Страница 22: ...pass Factor 65 75 85 95 105 115 Total power consumption kW Total capacity 10 Btu h 24 20 16 12 2 1 Outdoor intake air DB temperature F Indoor intake air DB temperature F Indoor intake air DB temperature F Heating 491CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h 20 16 12 8 2 0 1 0 Outdoor intake air WB temperature F 1 2 1 6 1 4 1 8 MSH17TN MUH17TN U1 U1 ...

Страница 23: ...sure Outdoor ambient temperature 68 70 75 80 85 90 95 100 104 F 140 160 180 200 220 240 260 280 300 PSIG Condensing pressure Outdoor ambient temperature Indoor DB temperature F 86 80 75 70 Indoor DB temperature F PSIG 86 80 75 70 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 Indoor DB temperature F 75 70 65 75 70 65 PSIG Condensing p...

Страница 24: ...door ambient temperature 68 70 75 80 85 90 95 100 104 F 140 160 180 200 220 240 260 280 300 320 Indoor DB temperature F 68 70 75 80 85 90 95 100 104 F 40 50 60 70 80 90 100 Indoor DB temperature F 75 70 65 PSIG Condensing pressure Outdoor ambient temperature 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 Indoor DB temperature F 5 10 1...

Страница 25: ...95 100 104 F Condensing pressure Outdoor ambient temperature Indoor DB temperature F 86 80 75 70 Indoor DB temperature F PSIG 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 70 65 PSIG 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient temperature Indoor DB t...

Страница 26: ... 100 104 F Condensing pressure Outdoor ambient temperature Indoor DB temperature F 86 80 75 70 Indoor DB temperature F PSIG 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 70 65 PSIG 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient temperature Indoor DB tem...

Страница 27: ...6 70 60 100 1 000 297 Dry 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit Cooling 8 800 0 70 235 70 179 113 52 157 80 67 59 57 950 233 Wet 95 0 89 MSH09TW MSH09TW U1 115 1 60 0 035 0 34 MUH09TW MUH09TW U1 115 1 60 0 855 6 91 0 59 25 2 lb 3 oz 640 985 MSH09TW MSH09TW U1 POWER SUPPLY Control voltage Power supply voltage to serial signal circui...

Страница 28: ...1 203 1 253 5 41 5 11 230 57 158 108 33 143 70 60 107 452 Dry 47 43 Heating 13 000 13 500 1 18 1 25 1 133 1 203 5 24 5 01 203 58 158 103 36 144 70 60 100 452 Dry 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit MSH12TN MSH12TN U1 MSH12TN MSH12TN U1 115 1 60 0 047 0 41 MUH12TN MUH12TN U1 U2 208 230 1 60 0 36 0 39 25 2 Ib 12 oz 1 200 700 740 97...

Страница 29: ...1 516 6 39 6 09 242 63 162 112 35 144 70 60 109 491 Dry 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit Cooling 16 000 16 200 0 64 1 56 1 58 1 506 1 526 6 69 6 19 243 77 165 113 48 150 80 67 56 54 413 Wet 95 MSH17TN MSH17TN U1 115 1 60 0 054 0 47 MUH17TN MUH17TN U1 208 230 1 60 0 61 25 4 lb 14 oz 1 290 740 800 1 606 1 730 MSH17TN MSH17TN U1 ...

Страница 30: ...F F rpm CFM Heating 28 600 2 8 2 8 12 3 219 47 169 26 144 47 43 DB WB Item Model Total Electrical circuit Refrigerant circuit Outdoor unit Cooling 28 400 3 8 3 8 17 1 300 65 194 41 150 95 MXZ30TN MXZ30TN2 208 230 1 60 0 60 127 82 197 8 lb 10 oz 630 675 1 764 1 906 MXZ30TN MXZ30TN2 INDOOR UNIT MXZ30TN MXZ30TN2 115V 60Hz 1 2 wires 208 230V 60Hz 1 2 wires SIGNAL WIRE 2 wires 12V DC INDOOR UNIT INDOOR...

Страница 31: ...15 Outdoor Condition Intake air temperature Function Cooling Heating A Cooling Steady State at rated compressor Speed B 2 Cooling Steady State at rated compressor Speed B 1 Cooling Steady State at minimum compressor Speed Low ambient Cooling Steady State at minimum compressor Speed Intermediate Cooling Steady State At Intermediate compressor Speedw Standard Rating Heating at rated compressor Speed...

Страница 32: ... MSH12TN MSH12TN MUH12TN MUH12TN MUH12TN MSH15TN MSH15TN MUH15TN MUH15TN MUH15TN MSH17TN MSH17TN MUH17TN MUH17TN Outdoor unit precharged up to 25ft 2 lb 3 oz 2 lb 12 oz 3 lb 3 oz 4 lb 14 oz 25ft 0 30ft 2 68 35ft 5 36 Refrigerant piping length one way 40ft 8 04 45ft 10 72 49ft 12 86 Model U1 U1 U1 U1 U2 U1 U1 U2 U1 U1 The air coverage range is the figure up to the position where the air speed is 1 ...

Страница 33: ...ached to the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air intake Cover the thermometers to prevent direct rays of the sun 3 Check that the air filter is cleaned 4 Open windows and doors of room 5 Press the EMERGENCY OPERATION switch once twice to start the EMERGENCY COOL HEAT MODE 6 Compressor starts running at 33Hz COOL or 45Hz HEAT...

Страница 34: ...2 0 0 50 100 0 5 1 0 1 5 2 0 0 50 100 0 5 1 0 1 5 2 0 COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz 1 09...

Страница 35: ...ency run ON OFF button or any button on remote controller 2Air flow speed High 3Inverter output frequency 33Hz Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 45Hz 2 HEAT operation 65 70 75 80 85 90 95 100 105 110 115 50 60 70 80 90 100 Ambient temperature F F 86 80 75 70 Indoor DB temperature F 65 70 75 80 85 90 95 100 105 110 115 0 0 ...

Страница 36: ...5 Indoor DB temperature F Indoor DB temperature F Indoor DB temperature F How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The switch is locat ed on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 33Hz COOL or 45Hz HEAT 4 Indoor fan runs at High speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button...

Страница 37: ...equency 33Hz 65 70 75 80 85 90 95 100 105 110 115 65 70 75 80 85 90 95 100 Ambient temperature F F 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 4 0 5 0 6 0 7 0 8 0 9 0 Outdoor ambient temperature F 65 70 75 80 85 90 95 100 105 110 115 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Ambient temperature F F PSIG Outdoor low pressure Outdoor unit current A Outdoor unit current A 45Hz 33Hz 33Hz 65 70 75...

Страница 38: ...put frequency 33Hz 65 70 75 80 85 90 95 100 105 110 115 65 70 75 80 85 90 95 100 Ambient temperature F F 15 20 25 30 35 40 45 50 55 60 65 70 75 4 0 5 0 6 0 7 0 8 0 9 0 Outdoor ambient temperature F 65 70 75 80 85 90 95 100 105 110 115 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Ambient temperature F F PSIG Outdoor low pressure Outdoor unit current A Outdoor unit current A 45Hz 33Hz 33Hz 86 80 75 70 75 70 65 Indoo...

Страница 39: ...id line 1 4 19 11 16 Gas line 3 8 16 15 16 Insulation 1 7 16 O D 13 16 I D 10 15 16 4 in or more 4 in or more 4 in or more Outdoor unit 14 in or more REQUIRED SPACE 16 in or more 12 19 32 31 32 4 3 3 5 6 3 32 3 17 32 4 3 32 2 29 32 10 1 4 13 32 30 23 32 19 22 32 4 13 16 1 9 16 21 1 4 12 19 32 11 7 32 10 1 32 Service panel Gas refrigerant pipe joint Refrigerant pipe flared 3 8 MUH09TW 1 2 MUH12TN L...

Страница 40: ... refrigerant pipe joint Rfrigerant pipe flared 5 8 3 0 Conduit cover Connector Lock nut NOTE Do not wire12V DC and 115V AC in same conduit hole 4 in 4 in 4 in 14 in 20 in Unit inch INDOOR UNIT 6 3 8 3 4 2 5 16 1 8 11 11 16 17 11 16 17 11 16 13 7 8 17 1 4 10 10 13 16 13 16 2 3 8 1 9 16 5 7 8 25 1 2 8 9 16 3 16 7 1 2 39 3 16 7 1 2 30 1 2 1 15 16 12 5 8 39 15 16 Wireless remote controller 4holes 7 16...

Страница 41: ... 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 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 1 4 Outlet guide installation hole 1 40 1 2 Outdoor Unit Necessary surrouding clearance Concentrated installation The upper side must be open 4 8 For 1...

Страница 42: ...ore than 13 25 32 Base bolt length Less than 1 More than 13 25 32 More than 13 25 32 Service space Air in 2 U shape notched holes Base bolt M10 Base bolt M10 Air in Air out 7 7 8 7 7 8 15 1 4 13 31 32 1 1 16 1 9 16 19 11 16 Veranda Base Rubber cushion More than 19 11 16 Note Leave front and both sides clearance fully Note Obstacle on front and rear side only The unit can be used by attaching an op...

Страница 43: ... INDOOR UNIT CONNECTING WIRES 115V 1 phase 60Hz TB1 C S R C1 RED DSAR BLK N L1 L1 BLK WHT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector SYMBOL SR141 TB SYMBOL MV NR11 RT11 RT12 SYMBOL C11 F11 HIC1 MF NAME NAME NAME INDOOR FAN CAPACITOR FUSE...

Страница 44: ... DSAR BLK N L1 L1 BLK WHT RT63 NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols...

Страница 45: ...LK TO INDOOR UNIT CONNECTING WIRES 115V 1 phase 60Hz POWER SUPPLY 208 230V 1 phase 60Hz TB1 C S R C1 RED DSAR BLU BLU N L1 L2 L1 RED GRN YLW BLK 4 WHT SYMBOL RT12 SR141 SR144 TB SYMBOL MF MV NR11 RT11 SYMBOL C11 DSAR F11 HIC1 NAME NAME NAME INDOOR FAN CAPACITOR SURGE ABSORVER FUSE 3A DC DC CONVERTER INDOOR FAN MOTOR INNER FUSE VANE MOTOR VARISTOR ROOM TEMPERATURE THERMISTOR INDOOR COIL THERMISTOR ...

Страница 46: ...BLOCK R V COIL RELAY R V COIL COMPRESSOR CONTACTOR SG79J000H01 MSH12TN MSH15TN MSH17TN U1 U1 U1 MODELS WIRING DIAGRAM INDOOR UNIT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector TAB12 BRN RED BLK GRN YLW DSAR 4 3 ELECTRONIC CONTROL P C BOARD ...

Страница 47: ... BLOCK R V COIL RELAY R V COIL COMPRESSOR CONTACTOR VG79B042H01 MUH15TN MUH17TN U1 U1 MODELS WIRING DIAGRAM OUTDOOR UNIT 52C SR61 X62 CN720 MF CN721 21S4 CN661 1 3 MC GROUND RED BLK TB2 1 1 RED RED C65 CN711 2 3 4 4 3 2 ORN WHT WHT DEICER P C BOARD BLK BLK FROM INDOOR UNIT CONNECTING WIRES 12V DC TO INDOOR UNIT CONNECTING WIRES 115V 1 phase 60Hz POWER SUPPLY 208 230V 1 phase 60Hz RT61 X62 TB1 TAB2...

Страница 48: ...OUTDOOR UNIT 52C SR61 X62 CN720 MF CN721 21S4 CN661 1 3 MC GROUND RED BLK TB2 1 1 RED RED C65 CN711 2 3 4 4 3 2 ORN WHT WHT DEICER P C BOARD BLK BLK FROM INDOOR UNIT CONNECTING WIRES 12V DC TO INDOOR UNIT CONNECTING WIRES 115V 1 phase 60Hz POWER SUPPLY 208 230V 1 phase 60Hz RT61 X62 TB1 TAB21 CN730 F61 VLT ORN 3 N 1 RED IC881 NR61 TRANCE TAB20 C S R C1 RED DSAR WHT COM NO 52C BLU RED 1 1 2 BLU N L...

Страница 49: ... 250V 1A CN704 CN514 CN554 CN551 1 2 3 4 5 6 7 8 RT62 RT61 RT65 GRY GRY BLK BLK GRY GRY ELECTRONIC CONTROL P C BOARD MC 250V 1A GROUND TB3 TB2 FROM INDOOR UNIT CONNECTING WIRES DC 12V SYMBOL C61 C62 63 C65 CT61 62 DS61 DS62 F801 F911 L L61 SYMBOL LEV A C MC MF61 R RT61 RT62 RT63 RT65 RT66 67 RT68 NAME POWER FACTOR CAPACITOR SMOOTHING CAPACITOR OUTDOOR FAN CAPACITOR CURRENT TRANSFORMER DIODE MODULE...

Страница 50: ... RT65 GRY GRY BLK BLK GRY GRY ELECTRONIC CONTROL P C BOARD MC 250V 1A GROUND TB3 TB2 FROM INDOOR UNIT CONNECTING WIRES DC 12V SYMBOL C61 C62 63 C65 CT61 62 DS61 DS62 F801 F911 F912 L L61 SYMBOL LEV A C MC MF61 NR63 R RT61 RT62 RT63 RT65 RT66 67 RT68 NAME POWER FACTOR CAPACITOR SMOOTHING CAPACITOR OUTDOOR FAN CAPACITOR CURRENT TRANSFORMER DIODE MODULE DIODE STACK FUSE 250V 1A FUSE 250V 1A FUSE 3 15...

Страница 51: ...eat Strainer MSH12TN INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 Refrigerant pipe 1 2 Option Flared connection Flared connection Indoor coil thermistor RT12 Refrigerant pipe 1 4 Option with heat insulator Stop valve Strainer Capillary tube CT1 O D 0 12 I D 0 071 11 13 16 Compressor Stop valve with service port Muffler Outdoor heat exchanger Defrost thermistor RT...

Страница 52: ...ributor Unit inch MSH17TN MSH17TN U1 INDOOR UNIT OUTDOOR UNIT MUH17TN MUH17TN U1 MSH15TN INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 Refrigerant pipe 5 8 Option Flared connection Flared connection Indoor coil thermistor RT12 Refrigerant pipe 1 4 Option with heat insulator Stop valve Strainer 100 Capillary tube CT2 O D 0 12 I D 0 079 7 7 8 Compressor Stop valve w...

Страница 53: ...perature thermistor Indoor unit B Unit B gas pipe temperature thermistor Indoor unit A Indoor unit A Strainer 100 LEV Indoor unit B Strainer 100 LEV Indoor unit C Unit A gas pipe temperature thermistor Capillary tube CT1 O D 0 0985 I D 0 024 29 53 O D 0 0985 I D 0 024 39 37 Capillary tubeCT3 4 5 O D 0 157 I D 0 094 15 75 Capillary tube CT6 Capillary tube CT7 Capillary tube CT8 O D 0 12 I D 0 079 7...

Страница 54: ...mode are set the same operation mode can be repeated by simply turning the OPERATE STOP ON OFF button ON Indoor unit receives the signal with a beep tone When the system turns off 3 minute time delay will operate to protect system from overload and compressor will not restart for 3 minutes ON OFF FAN TOO WARM TOO COOL VANE MODE STOP START HR MIN I FEEL COOL HEAT DRY RESET CLOCK OPERATION SELECT bu...

Страница 55: ...is stopped with the OPERATE STOP ON OFF button on the remote controller and restarted within 2 hours in I FEEL CONTROL mode the system operates in previous mode automatically regardless of the room tem perature Operation time chart Example Previous operation COOL mode of I FEEL CONTROL or COOL mode When the system is restarted after 2 hours and more the operation mode is determined by the room tem...

Страница 56: ...Room temperature is below 79 F When compressor stops the accumulated time is cancelled and when compressor restarts time counting starts from the beginning Time counting also stops temporarily when the indoor fan speed becomes High or the room temperature exceeds 79 F However when two of the above conditions b and c are satisfied again Time accumulation is resumed Difference between room temperatu...

Страница 57: ...for dry operation uses the same refrigerant circuit as the cooling circuit The compressor and the indoor fan are controlled by the temperature By such controls amount of air flow of indoor unit will be reduced in order to lower humidity without much room tempera ture drop 1 Indoor fan speed control Indoor fan operates at the set speed by FAN SPEED CONTROL button In AUTO fan operation fan speed bec...

Страница 58: ...n speed control When the temperature of RT12 has been 99 F or more or when the set speed has been changed this control is released and the indoor fan speed is the set speed 4 Flow soft control When the thermostat compressor is off the indoor fan operates as follows RT12 Indoor fan speed MSH09 less than 64 F off 64 F or more Very Low MSH12 15 17 Very Low Time condition Indoor fan speed less than 2 ...

Страница 59: ...ondition d or e is satisfied the defrosting operation stops d The defrost thermistor RT61 reads 38 F or more MSH09TW MSH12 15 17TN 50 F or more MSH09TW MSH12 15 17TN MSH12 15TN e The defrosting time exceeds 10 minutes U2 U1 U1 U2 U1 U1 U2 U1 U1 NOTE When the indoor coil thermistor RT12 reads above 64 F indoor fan operates at Very Low for 30 seconds since RT61 has read the working temperature of de...

Страница 60: ...MP does not work The other operations are same as DRY mode of I FEEL CONTROL 4 DRY operation will not function when the room tempera ture is 55 F or below 10 4 HEAT OPERATION 1 Press OPERATE STOP ON OFF button OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone 2 Select HEAT mode with the OPERATION SELECT button 3 Press TEMPERATURE buttons TOO WARM or TOO COOL button to select th...

Страница 61: ...ff 3 minutes later the electric current is applied to the fan motor again During the fan motor lock up the OPERATION INDICATOR lamp flashes on and off to show the fan motor abnormality Refer to page 72 3 Positioning The vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired angle Confirming of standard position is performed in case of follows a ...

Страница 62: ...ration ON TIMER button AUTO START operation ON timer OFF TIMER button AUTO STOP operation OFF timer 4 Press HR and MIN button TIME SET button to set the timer Time setting is 10 minute units HR and MIN button will work when or mark is flashing These marks disappear in 1 minute After setting the ON timer check that OPERATION INDICATOR lamp of the indoor unit lights NOTE1 Be sure to place the remote...

Страница 63: ...OR lamp will light The first 30 minutes of operation is the test run operation This operation is for servicing The indoor fan speed runs at High speed and the system is in continuous operation The thermostat is ON After 30 minutes of test run operation the system shifts to EMERGENCY COOL HEAT MODE with a set temperature of 75 F The fan speed shifts to Med speed The coil frost prevention works even...

Страница 64: ...rature thermistor RT61 Indoor Unit A Evaporation temperature thermistor RT63 Outdoor fan motor MF61 x 61 x 62 x 63 Defrost thermistor RT62 LEV1 LEV2 LEV3 Indoor Unit B Indoor Unit C Outdoor unit control microprocessor Compressor primary current Compressor secondary current Fin temperature thermistor RT65 R V coil 21S4 H P S 63H1 Input signal Output signal IPM Muffler MXZ30TN MXZ30TN2 10 9 INVERTER...

Страница 65: ...rd controls frequency and voltage of three phase alternating current converted by IPM Three phase alternating current is supplied from IPM to the compressor with frequency and voltage decided by microcomputer based on various kinds of information CT61 CT62 Current transformer measures the current of main power supply circuit 3 Power factor improvement of power supply Unlike inverter less alternati...

Страница 66: ...transistors and the overcurrent detecting circuit which protects the power transistors are built into the IPM It can simplify and miniaturize the control circuit 10 10 3 Function of main parts 10 11 Optimal voltage control The purpose of optimal voltage control is to operate the compressor at optimal voltage that meets the load detected by the power factor of the compressor 1 Optimal As shown on t...

Страница 67: ...ty code 4 at 1 unit operation Capacity code 1 at 4 units operation After starting operation adjustment in accordance with intake super heat discharge temperature is included in standard opening w1 Note LEV opening in each frequency at DRY operation and COOL operation is the same However velocity and compressor operation frequency controls are different See 10 10 Operational frequency range As far ...

Страница 68: ...to 46 4 42 8 or less 6 4 3 2 0 1 Suction super heat MIN gas pipe temperature thermistor Evaporation temperature thermistor 2 Each correction w 1 Each gas pipe temperature thermistor Evaporation temperature thermistor w 1 Perform this when number of operation units is 2units or more w 2 When the correction opening of suction super heat is 0 correct the LEV opening by Discharge temperature 3 Dischar...

Страница 69: ...rget discharge temperature and discharge temperature Operation frequency of compressor Minimum 20 21 30 31 40 41 55 56 70 71 90 91 maximum Single 123 8 134 6 149 0 152 6 158 0 161 6 165 2 Double 140 0 147 2 154 4 161 6 170 6 181 4 183 2 Triple 143 6 150 8 163 4 174 2 186 8 194 0 194 0 Single 131 0 136 4 145 4 158 0 176 0 185 0 185 0 Double 120 2 125 6 131 0 136 4 145 4 156 2 165 2 Triple 118 4 123...

Страница 70: ...es flow then defrosting finishes 3 Conditions to finish defrosting mode 1 When the defrosting thermistor temperature is 46 4 F or more 2 When it has spent 10 minutes for defrosting Defrosting finishes at condition of 1 or 2 10 15 High pressure protection 1 High pressure protection control on heat mode Temperature of the main pipe temp thermistor in the indoor unit controls the operation frequency ...

Страница 71: ...224 6 F or more When it passed 60 minutes or more since the operation has started or the last refrigerant recovery has controlled Control details LEV opening which adjusts to not operating indoor unit is considered to be 80 pulse Control finish status The control finishes either as follows However the LEV opening is considered to be 59 pulse When it passed 60 seconds since the control has started ...

Страница 72: ...erval restriction Refer to page 96 Defrost thermistor RT61 must read below 27 F MSH09TW MSH12 15 17TN 32 F MSH09TW MSH12 15 17TN Refer to page 73 U1 U1 MSH09TW MSH12TN MSH15TN MSH17TN MSH09TW MSH12TN MSH15TN MSH17TN U1 U1 U1 U1 MUH09TW MUH12TN MUH15TN MUH17TN MXZ30TN MXZ30TN2 MUH09TW MUH12TN MUH15TN MUH17TN U1 U1 U1 U1 MUH09TW MUH12TN MUH15TN MUH17TN Model Jumper wire Change point JPC JPE Defrost ...

Страница 73: ...second Set time 3 minutes 3 second It takes 3 minutes for the compressor to start operation However the starting time is shortened by short circuit of JPG and JPS The P C board has the print J1 and J2 Solder J1 and J2 according to the number of indoor unit as shown in Table 1 After modification press the RESET button 11 4 P C BOARD MODIFICATION FOR INDIVIDUAL OPERATION A maximum of 4 indoor units ...

Страница 74: ...tronic control P C board and the display P C board Refer to page 102 or 104 3 MSH09 Solder the Jumper wire or the Resistor 220Ω to the JR07 on the indoor electronic control P C board Refer to page 94 MSH12 15 17 Disconnect the AUTO RESTART ASSY from CN104 and solder the Jumper wire to JHA on the indoor electronic control P C board Refer to page 95 Operation 1 If the main power 115V AC has been cut...

Страница 75: ...place batteries Then re attach the front lid 2 Press the RESET button NOTE If the RESET button is not pressed the remote controller may not operate correctly Insert the negative pole of the batteries first Check if the polarity of the batteries are correct RESET button Lead wiring Housing point 12 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply v...

Страница 76: ... Check of remote controller and receiver P C board on page 84 Flash on and off at 0 5 second interval Cause Indoor Outdoor unit Mis wiring 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor 3 time flash Cause Indoor unit Trouble of indoor fan motor 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit Refer to F How to check mis wiring and sirial sing...

Страница 77: ...on operating indoor unit frosts When heating non operating indoor unit gets warm L Check of LEV See page 91 When cooling dew drops in the non operating indoor unit Check of mis piping When heating room does not get warm M Check of inverter compressor See page 91 Check mis piping Shortage of capacity Refer to indicator list See page 79 80 OFF 00 Check the indoor unit with referring to the indoor un...

Страница 78: ...stor shorts or opens after the com pressor start up Check point Check wiring visual check and conductiv ity check Check indoor electronic control P C board Check outdoor DEICER P C board Check electrical parts Check resistance of thermistor Re connect connector Check indoor electronic control P C board Disconnect connector CN211 and then check connector CN121 to make sure rotational frequency feed...

Страница 79: ...amount of gas Check the indoor outdoor air flow for short cycle Check the indoor unit air filter for clogging Discharge temperature over heat protection When the discharge temperature thermistor detects 240 8 F or above the compressor stops and restarts operation in 3 minutes Protection will be released at 212 F or below Check the amount of gas and the refriger ant cycle Check the outdoor unit air...

Страница 80: ...ssor operates continuously Check the amount of gas Replace the outdoor controller board Check the contact of LEV board connec tors Defrost thermistor abnormality When a short or open circuit occurs in the defrost thermistor during heating In this case the compressor continues to operate Defrost thermistor characteristic Contact of P C board connectors Display Abnormal Detecting method Check points...

Страница 81: ... P AUX MAIN Normal MSH09 Abnormal Open or short circuit 76 83 Ω WHT BLK BLK RED BRN YLW YLW GRY Normal MSH09 4 5 5 5V Abnormal Remain 0V or 5V When fan revolved one time 0V 5V 0V Approx Normal Abnormal Open or short circuit MSH09 BRN other one MSH12 15 17 RED other one 70 76 Ω Normal MSH12 15 65 72Ω 8 10Ω WHT BLK BLK YLW 4 6Ω 5 7Ω YLW BLU BLU BRN 28 31Ω MSH17 52 57Ω 10 12Ω 4 5Ω 5 6Ω 35 39Ω BRN RED...

Страница 82: ...LK YLW YLW BLU Open or short circuit Not including WHT ORN Measure the resistance using a tester Part temperature 14 F 104 F R V coil Measure the resistance using a tester Part temperature 14 F 104 F Linear expansion valve Lead wire color Normal WHT RED RED ORN YLW BRN BRN BLU Abnormal Open or short circuit Measure the resistance using a tester Part temperature 14 F 104 F High pressure switch HPS ...

Страница 83: ... lead wires connected Re connect the lead wires Is soldered point of the connector correctly soldered Replace the indoor electronic con trol P C board Re solder it Is resistance 0 short circuit or open circuit Yes 0 or No others Yes No Yes No No 1 and No 4 and then No 3 and No 4 MSH12 15 17 MSH12 15 17 MSH09 Insert screwdriver into air outlet and rotate indoor fan motor slowly for 1 revolution or ...

Страница 84: ... set them back and press the RESET button Check if the unit operates with the remote controller Yes Does the unit operate with the remote controller Yes No not clear Yes No No No No OK Connect properly No Replace the indoor electronic control P C board Replace the auto restart assembly Is auto restart assembly properly connected Does the unit receive signal of ON OFF with the remote controller and...

Страница 85: ...es Is varistor NR11 burnt Replace the varistor Yes Turn OFF the power supply Disconnect indoor fan motor connector CN211 MSH09 only and vane motor connector CN151 from the indoor electronic control P C board and turn ON the power supply No No Does the unit operate with the remote controller or the OPERATION INDICATOR lamp light up by pressing the EMERGENCY OPERATION switch Yes No Be sure to check ...

Страница 86: ...in COOL or HEAT mode by pressing the EMERGENCY OPERATION switch 3 minute time delay works Test run operation operates for 30 minutes Outdoor fan motor doesn t operate No Rectify the indoor and outdoor connecting wire Rectify the connecting wire Check the compressor and compressor capacitor and rectify the connecting wire Start Yes Is there 115V AC MSH09 208 230V AC MSH12 15 17 between 4 on the com...

Страница 87: ...ase the checking mode by pressing RESET button on the remote controller and then send the unit signal to stop operation Turn OFF the power supply to indoor outdoor units Get indoor terminal blocks 1 1 and 3 3 opened and re connect indoor outdoor wiring Is the power voltage to terminal blocks of indoor outdoor units normal Does the OPERATION INDICATOR lamp on the indoor unit flash on Is the termina...

Страница 88: ...ntact of the connector is considered Turn OFF the power supply After 3 minutes does the unit operate in COOL mode OK Yes Yes No After 3 minutes does the unit operate in HEAT mode OK No Replace the deicer P C board No Replace the R V coil Turn ON the power supply and operate the indoor unit in HEAT mode by pressing the EMERGENCY OPERATION switch Is there 115V AC MUH09 208 230V AC MUH12 15 17 betwee...

Страница 89: ...of connector CN720 in the outdoor electronic control P C board I I Check of power supply Yes No Start 1 Check the indoor unit with referring to F How to check mis wiring and serial signal error 2 Turn off the power supply of the indoor and outdoor unit and connect the indoor outdoor unit connecting wire correctly 3 Check the connection of indoor outdoor unit connecting wire in the outdoor unit ter...

Страница 90: ...e filter P C board and measure the resistance of R V coil to check the integrity Start 1 Disconnect the lead wire leading to the compressor 2 3 minutes after turning on the power suppy start EMERGENCY OPERATION in COOL mode Is there voltage of 208V AC 230V AC between pin1 and pin 2 at connector CN913 W1 1 Turn off power supply of indoor and outdoor unit and disconnect the connector CN851 CN852 in ...

Страница 91: ...it and measure the compressor winding resistance between the compressor terminals Is there resistance of 0 53 to 0 66 between the each terminals Replace the electronic control P C board with the I P M P C board Return the lead wire of compressor to former and turn on power supply to indoor and outdoor unit Three minutes later start EMERGENCY OPERATION 1 Turn off power supply of the indoor and outd...

Страница 92: ...o Yes No Yes Start Check the connection of connector CN851 CN852 in the fan motor relay connector and electronic control P C board at the noise filter P C board and connector CN901 CN902 in the noise filter board Disconnect the fan motor connector and measure the resistance of the fan motor winding to check the winding characteristic Is there voltage of 208V AC 230V AC 1 Turn off power supply of t...

Страница 93: ...n be operated once First of all check the high pressure switch can be shorted turn OFF the power and turn ON again 1 minute later Indoor unit does not operate difference modes When you try to run two indoor unit simultaneously one for cooling and the other for heating the unit which transmits signal to the outdoor units earlier decides the operation mode The other unit indicates as shown in the fi...

Страница 94: ...mistor RT11 Indoor coil thermistor RT12 Timer short mode point JPS JPG Refer to page 73 32 F 50 68 86 104 122 140 Room temperature thermistor RT11 Indoor coil thermistor RT12 Emergency operation switch Fan motor Auto restart function Solder the Jumper wire or the Resistor 220Ω to the JR07 Refer to page 74 Power supply input 115V AC 5V DC 12V DC ...

Страница 95: ...r short mode point Refer to page 73 Room temperature thermistor RT11 12V DC 32 F 50 68 86 104 122 140 Room temperature thermistor RT11 Indoor coil thermistor RT12 Varistor NR11 CN201 8 7 5 6 4 3 2 1 Very Low Fan motor JP17 JP16 JP24 JP11 JPG JPS C11 Emergency operation switch Auto restart function Disconnect the AUTO RESTART ASSY from CN104 and solder the Jumper wire to JHA Refer to page 74 CN104 ...

Страница 96: ...09 208 230V AC MUH12 15 17 R V coil 115V AC MUH09 208 230V AC MUH12 15 17 R601 5 10V DC Power supply input 208 230V AC MUH15 17 Defrost thermistor RT61 Fuse 2A 250V Defrost interval time short pin JP607 R853 Refer to page 72 J9 J8 5V DC Jumper wire for change in defrost setting JPC JPE Refer to page 72 73 52C 12V DC 12V DC CN730 Ambient temperature thermistor RT63 is only for MUH09TW and MUH12 15 ...

Страница 97: ...r 2 5 4 0V DC Discharge temperature thermistor 0 3 0 6V DC Defrost temperature thermistor 2 5 4 0V DC 12V DC 5V DC 0 5V DC LED monitor indication Gas pipe temperature thermistor 2 5 4 0V DC Room A Room C Room B High pressure switch Liner expansion valve LEV 12V DC pulse wave R V coil 12V DC Serial signal Room A 5 10V DC Serial signal Room B 5 10V DC Serial signal Room C 5 10V DC Relay 12V DC Tempe...

Страница 98: ...NPUT OUTDOOR FAN 208V 230V AC MXZ30TN Noise filter P C board MXZ30TN2 Noise filter P C board OUTDOOR FAN 208 230V AC REVERSING VALVE 208 230V AC 208 230V AC OUTPUT 208 230V AC INPUT REVERSING VALVE 208 230V AC Replace them at the same time ...

Страница 99: ...99 Short 12V DC High pressure switch 12V DC 12V DC 12V DC 290V 330V DC I P M P C board Relay P C board ...

Страница 100: ...e the compressor is OFF 3 minute time delay circuit works at next start up COIL FROST PREVENTION MODE THERMOSTAT 52C CONTACTOR INDOOR FAN SPEED COOL COOL mode of I FEEL CONTROL DRY DRY mode of I FEEL CONTROL ON OFF for 5 min After that OFF is pro longed until indoor coil thermistor reads termination temper ature AUTO or set speed AUTO or set speed MSH12 15 17 Low speed when coil frost prevention s...

Страница 101: ...g lever OPERATING PROCEDURE PHOTOS Photo 1 Photo 2 Screws Front panel Indoor electronic control P C board Screw of the termi nal block 1 Removing the front panel 1 Remove the screw caps at the bottom of the front panel Remove the screws 2 Pull the panel down to your side slightly and unhook the catches at the top 2 Removing the electronic control P C board and the power monitor receiver P C board ...

Страница 102: ...oil thermistor lead wire from the electrical box 7 Remove the lead wire of vane motor from the bottom of electrical box 8 Remove the R L holder 9 Remove the screw of the conduit cover 10 Pull down the conduit cover and remove it 11 Remove the screw of the conduit plate and remove the conduit plate 12 Remove the screw fixing the electrical box remove the electrical box 4 Removing the vane motor 1 R...

Страница 103: ...ove the front panel Refer to 1 2 Remove the electrical box Refer to 3 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Remove the hexagon socket set screw from the line flow fan 5 Remove the screws fixing the fan motor remove the fan motor 6 Remove the screws fixing the left side of the heat exchanger 7 Lifting the left side of the heat exchanger 8 Remove the line fl...

Страница 104: ... 1 Remove the front panel Refer to 1 2 Remove the electrical cover 3 Remove the screw of the terminal cover 4 Remove the screw of the terminal block 5 Unhook the catch of the lamp holder 6 Remove the receiver holder and the receiver P C board 7 Remove the screw of the ground wire 8 Disconnect all the connectors and all the lead wires on the electronic control P C board 9 Remove the electronic cont...

Страница 105: ...earing support Heat exchanger Indoor fan motor Line flow fan 3 Removing the electrical box 1 Remove the front panel Refer to 1 2 Remove the electrical cover 3 Remove the connector of the indoor coil thermistor CN112 4 Remove the motor connector and the vane motor connector CN151 on the electronic control P C board 5 Remove the screw of the electrical box remove the electrical box Photo 3 Screw of ...

Страница 106: ...e the screw from the insides 6 Remove the top panel 7 Remove the cabinet 2 Removing the deicer P C board 1 Remove the service panel and the cabinet 2 Disconnect all the connectors and the terminals on the deicer P C board 3 Remove the deicer P C board Photo 4 Terminal block Deicer P C board Photo 1 Photo 3 Screws of the top panel Service panel Screws of the service panel Screws of the top panel Sc...

Страница 107: ...relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of the suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Before using the torch reclaim gas fr...

Страница 108: ... 1 Remove the service panel and the cabinet Refer to 1 2 Disconnect all the connectors and the terminals on the deicer P C board 3 Remove the deicer P C board 13 4 MUH15TN MUH15TN MUH15TN OUTDOOR UNIT U2 U1 Photo 1 Photo 3 Photo 2 Screws of the cabinet Screws of the cabinet Service panel Terminal block Connector Compressor capacitor Screw of the cabinet Screw of the cabinet Deicer P C board ...

Страница 109: ... cabinet Refer to 1 2 Remove the sound proof felt 3 Remove the terminal cover on the compressor 4 Disconnect lead wires from the glass terminal of the com pressor 5 Recover gas from the refrigerant circuit 6 Detach the welded part of the discharge pipe 7 Detach the welded part of the suction pipe 8 Remove the nuts fixing the compressor 9 Remove the compressor NOTE Before using the torch reclaim ga...

Страница 110: ...otating direction for removal When attaching the propeller fan align the mark on the propeller fan and the motor shaft cut section Set the propeller fan in position by using the cut on the shaft and the mark on the propeller fan 3 Remove the screws and the outdoor fan motor and the connectors Remove the outdoor fan motor 13 5 MUH17TN MUH17TN OUTDOOR UNIT U1 Photo 1 Photo 2 Photo 4 2 Removing the d...

Страница 111: ...port 6 Remove the relay panel Disconnect the fan motor lead wires 7 Remove the soundproof felt 8 Remove the screws of the separator and the separator 9 Recover gas from the refrigerant circuit 10 Remove the screws of the heat exchanger and the heat exchanger Detach the welded part of pipe 11 Remove the nuts of the compressor and the compressor Detach the welded part of the suction pipe and the dis...

Страница 112: ...7 Remove the propeller 8 Remove the screws of the separator and remove it 9 Detach the brazed joints of the compressor suction and dis charge pipes See Photo 3 10 Remove the three compressor nuts and remove the com pressor 112 2 Removing the fan motor 1 Remove the top panel five screws the service panel four screws and the front panel two screws See Photo 1 2 Disconnect the connector CN911 on the ...

Страница 113: ...ng the linear expansion valve 1 Remove the service panel See Photo 1 Gas recover is not required if the unit is pumped down 2 Remove the coil of linear expansion valve See Photo 5 3 Detach the brazed joint of linear expansion valve and pipe 4 way valve R V coil Brazing area LEV coils Linear expansion valves Photo 4 Photo 5 5 Removing the reactor 1 Remove the five screws of the top panel and remove...

Страница 114: ...BLY W SCREW CAP W GRILLE W CATCH W AIR FILTER CORNER BOX RIGHT W Symbol in Wiring Diagram Q ty unit 1 1 1 1 2 1 3 2 1 Including 5 6 7 2PCS SET 3PCS SET Remarks Part No NO Part Name MSH09TW W E02 408 970 E02 409 234 E02 409 976 E02 424 000 E02 409 067 E02 424 010 E02 408 142 E02 408 100 E02 409 975 1 1 1 1 2 1 3 2 1 MSH09TW U1 W E02 545 426 E02 527 083 10 11 REMOTE CONTROLLER REMOTE CONTROLLER HOLD...

Страница 115: ... W VANE UPPER W VANE LOWER W FUSE VARISTOR VANE CRANK SET VANE MOTOR ROOM TEMPERATURE THERMISTOR INDOOR FAN MOTOR ELECTRONIC CONTROL P C BOARD TERMINAL BLOCK FAN MOTOR RUBBER MOUNT INDOOR COIL THERMISTOR MOTOR BAND Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 250V 3A RC4W19 AUTO RESTART 2PCS SET Remarks Part No NO Part Name F11 NR11 MV RT11 MF TB RT12 MSH09TW W 1 1 1 1 1 ...

Страница 116: ...116 MUH09TW MUH12TN MUH09TW MUH12TN MUH12TN 14 5 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS U2 U1 U1 1 4 5 6 7 8 9 11 12 13 14 15 16 10 20 21 17 2 3 18 19 17 B A ...

Страница 117: ... 30 370VAC 0 12 0 055 19 11 16 0 12 0 063 17 11 16 0 12 0 063 31 1 2 0 12 0 071 11 13 16 2A Remarks Part No NO Part Name MF MF MC MC TB2 TB1 TB2 TB1 C1 C1 21S4 21S4 RT61 DSAR DSAR F61 NR61 RT63 MUH09 TW 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 1 1 MUH09 TW U1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 MUH12 TN 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 1 ...

Страница 118: ...L ASSEMBLY W GRILLE W SCREW CAP W AIR FILTER LAMP PANEL W Symbol in Wiring Diagram Q ty unit 1 1 1 1 3 2 1 1 1 1 1 3 2 1 1 1 1 1 3 2 1 1 1 1 1 3 2 1 1 1 1 1 3 2 1 1 1 1 1 3 2 1 Including 4 5 3PCS SET Remarks Part No NO Part Name MSH 12TN W MSH 12TN U1 W MSH 15TN U1 W MSH 17TN U1 W MSH 15TN W MSH 17TN W E02 141 970 E02 143 234 E02 138 000 E02 138 010 E02 143 067 E02 141 100 E02 470 007 9 E02 545 42...

Страница 119: ... ROOM TEMPERATURE THERMISTOR RECEIVER P C BOARD ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD FAN MOTOR RUBBER MOUNT DISPLAY P C BOARD MOTOR BAND ASSEMBLY WATER CUT INDOOR FAN MOTOR INDOOR FAN MOTOR AUTO RESTART ASSEMBLY FUSE VARISTOR SURGE ABSORBER 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Страница 120: ...120 2 3 5 6 8 7 10 11 12 15 19 14 13 16 1 17 4 20 18 9 MUH15TN MUH15TN MUH15TN 14 10 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS U2 U1 ...

Страница 121: ...SOR CAPACITOR TERMINAL BLOCK TERMINAL BLOCK DEICER P C BOARD DEICER P C BOARD SERVICE PORT DEFROST THERMISTOR OUTDOOR FAN MOTOR COMPRESSOR CONTACTOR CAPILLARY TUBE CT2 CAPILLARY TUBE CT1 CAPILLARY TUBE CT3 R V COIL SURGE ABSORBER FUSE VARISTOR CHECK VALVE AMBIENT TEMPERATURE THERMISTOR Symbol in Wiring Diagram Q ty unit RH207NHDT 3RUBBERS SET 5 8 1 4 30 370VAC 4P 4P RA6N50 0 12 0 079 7 7 8 0 12 0 ...

Страница 122: ...122 MUH17TN MUH17TN 14 11 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS U1 1 2 3 4 5 6 7 6 8 9 10 11 12 13 14 15 6 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ...

Страница 123: ... PROPELLER FAN CABINET HANDLE FAN GUARD SERVICE PANEL COVER PANEL TERMINAL BLOCK TERMINAL BLOCK COMPRESSOR CONTACTOR SURGE ABSORBER COMPRESSOR CAPACITOR DEICER P C BOARD DEICER P C BOARD REAR PANEL REAR GUARD SIDE PANEL OUTDOOR FAN MOTOR BASE MOTOR SUPPORT COMPRESSOR RUBBER SET COMPRESSOR STOP VALVE LIQUID STOP VALVE GAS DEFROST THERMISTOR FUSIBLE PLUG SERVICE PORT SERVICE PORT R V COIL 4 WAY VALV...

Страница 124: ...ERMINAL BLOCK FIN TEMPERATURE THERMISTOR RELAY THERMISTOR SET TERMINAL BLOCK R V COIL GAS PIPE TEMPERATURE THERMISTOR RESISTOR RESISTOR POWER FACTOR CAPACITOR SMOOTHING CAPACITOR DIODE MODULE DIODE STACK I P M P C BOARD OUTDOOR FAN MOTOR RELAY P C BOARD FUSE FUSE VARISTOR L TB3 RT65 X64 RT61 62 63 TB2 21S4 RT66 67 68 R R C61 C62 C63 DS61 DS62 MF61 F801 F911 F912 NR63 1 1 1 1 3 1 1 1 1 1 1 1 1 2 1 ...

Страница 125: ...SERVICE PORT TOP PANEL REAR GUARD HEAT EXCHANGER SIDE PANEL HIGH PRESSURE SWITCH CAPILLARY TUBE CT3 4 5 O D 0 157OI D 0 094O78 74 CAPILLARY TUBE SET CT6 7 8 O D 0 12OI D 0 079O7 87 CAPILLARY TUBE CT1 2 O D 0 078OI D 0 024O29 53 EXPANSION VALVE MC LEV C LEV A LEV B 63H1 63H2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 3 4 2 3 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ30TN MXZ30TN2 Rema...

Страница 126: ...ter color is still dark even after cleaning replace the filter with a new one Replace the filter at least once a year DEODORIZING FILTER and AIR CLEANING FILTER can be attached on either side Deodorizing filter Gray sponge type Pipe length Cross section Part No Model A Gas in B Liquid in Pipe size Insulation in Additional refrigerant charge R22 oz MSH12TN MSH12TN U1 Outside diameter Wall thickness...

Страница 127: ......

Страница 128: ... 2001 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Dec 2003 No OB275 REVISED EDITION D 7 Distributed in Feb 2003 No OB275 REVISED EDITION C 17 Distributed in Sep 2002 No OB275 REVISED EDITION B 23 Distributed in May 2002 No OB275 REVISED EDITION A 23 Distributed in May 2001 No OB275 23 TM ...

Страница 129: ...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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