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Troubleshooting

MCAC-UTSM-2008-11

118

Outdoor Units

10. Troubleshooting

10.1. Self-diagnosis
Indoor unit

’

s LED indication

(1) For the Four-way cassette

During malfunction protection, digital pipe displays as follow:

Displaying contents

Malfunction or protection

ndoor

temperature sensor is abnormal

Evaporator temperature sensor is abnormal

Condenser temperature sensor is abnormal

Temperature sensor error of water pump

Outdoor unit malfunction

EEPROM malfunction

Full-water malfunction

(2) For the other types indoor unit

No.

Type

Contents

LED Flashing

Remark

Normal

Standing-by

Operation lamp flashes at 0.5Hz

Nothing wrong with the
unit when LED indicate
these contents.

Normal

System Off

All lamps are off

Normal

System startup

Operation lamp on

Normal

Forced cooling

Operation lamp flashes at 5Hz,
Timer lamp on

Protection

Over current protection of the compressor
occurs 4 times in 1h

Lamps of operation, timer,
defrosting (only fan) flashing
simultaneously at 5Hz.

Whole unit is shut
down. It cannot recover
unless power is cut off

Protection

Outdoor protection (lack of phase, phase
sequence and temperature protection)

All lamps flashing at 5Hz

Recover automatically
after errors are
eliminated (For T3
malfunction of 5HP,
can

’

t recover

automatically)

Error

Room temperature sensor checking
channel is abnormal

Timer lamp flashing at 5Hz

Error

Evaporator sensor checking channel is
abnormal

Operation lamp flashing at 5Hz

Error

Condenser sensor checking channel is
abnormal

Defrosting lamp flashing at 5Hz

Error

Communication of EEPROM malfunction

Operation lamp and timer lamp
flashing at 5Hz

Error

Water level alarm/pump sensor
malfunction

Alarm lamp flashes at 5Hz

(3) LEDs

’

for the indication of outdoor trouble (3 phase type, 14, 16kW)

Type

Contents

LED1

LED2

LED3

Trouble

Phase sequence

Flash

Off

Trouble

Lack of phase(A,B)

Flash

Off

Trouble

Lack of phase(C)

Off

Trouble

Protection of Low pressure

Flash

Off

Trouble

Overload of current

Off

Flash

Trouble

Communication malfunction

Flash

Off

Flash

Trouble

Open-circuit and short-circuit trouble of T3

Off

Flash

Trouble

Open-circuit and short-circuit trouble of
T4(High discharge temperature protection)

Off

Flash

Off

Trouble

High temperature protection of condenser

Flash

Содержание MCA-12HRN1

Страница 1: ...i Part 1 General Information 1 Part 2 Indoor Units 7 Part 3 Outdoor Units 88 Part 4 Installation 127 Part 5 Control 136 The specifications designs and information in this book are subject to change wi...

Страница 2: ......

Страница 3: ...2008 11 General Information General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 3 2 1 Indoor Units 3 2 2 Outdoor Units 4 3 Nomenclature 5 4 F...

Страница 4: ...8HN1 220 240 1 50 ROTARY MIDEA TOSHIBA MCA 18HRN1 MUB 18HRN1 MOUA 24HN1 220 240 1 50 ROTARY MIDEA TOSHIBA MCC 24HRN1 MUB 24HRN1 MOU 30HN1 220 240 1 50 SCROLL SANYO MCC 30HRN1 MUB 30HRN1 MOU 30HN1 R 38...

Страница 5: ...MCAC UTSM 2008 11 External Appearance General Information 3 2 External Appearance 2 1 Indoor Units Four way cassette type compact Four way cassette type Ceiling floor type Ceiling floor type...

Страница 6: ...External Appearance MCAC UTSM 2008 11 4 General Information 2 2 Outdoor Units 12 000Btu h 18 000Btu h 24 000Btu h 30 000 36 000Btu h 48 000Btu h 60 000Btu h...

Страница 7: ...eating Capacity 1000Btu h Product Series A Time A Designed B Time B Designed C Time C Designed Indoor Unit Type T Duct H High Static Pressure Duct C Cassette U Ceiling Floor Midea 3 2 Outdoor Unit Pow...

Страница 8: ...lt spray test 3 Low operation sound level Well known stable and quiet running fan motor 4 Well known compressor 5 Compact design Smaller dimension and larger stuffing capacity 6 Universal outdoor unit...

Страница 9: ...MCAC UTSM 2008 11 Indoor Units Indoor Units 7 Part 2 Indoor Units Four way Cassette Type Compact 8 Four way Cassette Type 21 Ceiling Floor Type 53...

Страница 10: ...1 Features 9 2 Specifications 10 3 Dimensions 11 4 Service Space 11 5 Wiring Diagram 12 6 Air Velocity and Temperature Distributions 13 7 Capacity Tables 14 8 Electric Characteristics 16 9 Sound Level...

Страница 11: ...adoption of the most advanced 3 Dimensional Screw Fan Reduces the air resistance passing through Smoothes the air flow Makes air speed distribution to the heat exchange uniform 4 Improvement for easy...

Страница 12: ...35 42 5 39 4 35 8 Indoor unit Dimension W H D body mm 580 254 580 580 254 580 Packing W H D body mm 750 340 745 750 340 745 Dimension W H D panel mm 650 30 650 650 30 650 Packing W H D panel mm 715 11...

Страница 13: ...MCAC UTSM 2008 11 Dimensions Indoor Units 11 3 Dimensions 4 Service Space...

Страница 14: ...Wiring Diagram MCAC UTSM 2008 11 12 Indoor Units 5 Wiring Diagram...

Страница 15: ...MCAC UTSM 2008 11 Air Velocity and Temperature Distributions Indoor Units 13 6 Air Velocity and Temperature Distributions Airflowvelocity Temperature...

Страница 16: ...3 20 2 98 SC 2 56 2 54 2 50 2 44 Input 0 99 1 05 1 10 1 16 32 23 C DB WB TC 3 52 3 39 3 33 3 07 SC 2 99 2 95 2 93 2 86 Input 1 03 1 08 1 16 1 20 MCA 18HRN1 Cooling Outdoor conditions DB Indoor Conditi...

Страница 17: ...4 4 00 3 24 3 04 Input 1 24 1 05 0 92 0 85 27 C TC 4 72 3 76 3 04 2 96 Input 1 31 1 13 1 00 0 92 MCA 18HRN1 Heating Outdoor conditions Indoor Conditions DB kW 24 18 C DB WB 7 6 C DB WB 2 1 C DB WB 5 6...

Страница 18: ...x MCA MFA kW FLA MCA 12HRN1 50 220 240V 198V 254V 0 33 25 0 045 0 264 MCA 18HRN1 50 220 240V 198V 254V 0 33 25 0 045 0 264 Remark MCA Min Current Amps A MFA Max Fuse Amps A KW Fan Motor Rated Output k...

Страница 19: ...14 Right clapboard ass y 1 5 Motor 1 15 Partition board 1 6 Motor base 1 16 Evaporator fixing board ass y 1 7 Base ass y 1 17 Evaporator ass y 1 8 Board 1 18 Evaporator temp sensor ass y 1 9 Sealed b...

Страница 20: ...emote controller holder 1 10 Mounting screw ST2 9 10 C H 2 11 Alkaline dry batteries AM4 2 Others 12 Owner s manual 1 13 Installation manual 1 12 The Specification of Power Type MCA 12HRN1 MCA 18HRN1...

Страница 21: ...MCAC UTSM 2008 11 Field Wiring Indoor Units 19 13 Field Wiring MCA 12HRN1...

Страница 22: ...Field Wiring MCAC UTSM 2008 11 20 Indoor Units MCA 18HRN1...

Страница 23: ...es 22 2 Specifications 24 3 Dimensions 27 4 Service Space 28 5 Wiring Diagrams 29 6 Air Velocity and Temperature Distributions 31 7 Capacity Tables 32 8 Electric Characteristics 38 9 Sound Levels 38 1...

Страница 24: ...louver are 40 42 degrees and the second louver are 37 38 degrees 4 4 speeds available optional super high fan speed design suitable for the large building over 3m high 5 Adding digital tube displaying...

Страница 25: ...Features Indoor Units 23 7 Stylish design is harmonious with any interior decoration and creates and elegant environment 8 Built in water pump with 750mm pumping head 9 Fresh air makes life more healt...

Страница 26: ...ure dB A 48 44 40 50 46 42 Indoor unit Dimension W H D body mm 840 230 840 840 300 840 Packing W H D body mm 955 247 955 955 317 955 Dimension W H D panel mm 950 55 950 950 55 950 Packing W H D panel...

Страница 27: ...pressure dB A 50 46 42 50 46 42 Indoor unit Dimension W H D body mm 840 300 840 840 300 840 Packing W H D body mm 955 317 955 955 317 955 Dimension W H D panel mm 950 55 950 950 55 950 Packing W H D...

Страница 28: ...e level sound pressure dB A 50 46 42 50 46 42 Indoor unit Dimension W H D body mm 840 300 840 840 300 840 Packing W H D body mm 955 317 955 955 317 955 Dimension W H D panel mm 950 55 950 950 55 950 P...

Страница 29: ...MCAC UTSM 2008 11 Dimensions Indoor Units 27 3 Dimensions 3 1 MCC 24HRN1 3 2 MCC 30HRN1 MCC 30HRN1 R MCC 36HRN1 MCC 36HRN1 R MCC 48HRN1 R...

Страница 30: ...ugh room for installation and maintenance The ceiling is horizontal and its structure can endure the weight of the indoor unit The outlet and the inlet are not impeded and the influence of external ai...

Страница 31: ...MCAC UTSM 2008 11 Wiring Diagrams Indoor Units 29 5 Wiring Diagrams 5 1 MCC 24HRN1 MCC 30HRN1 MCC 36HRN1...

Страница 32: ...Wiring Diagrams MCAC UTSM 2008 11 30 Indoor Units 5 2 MCC 30HRN1 R MCC 36HRN1 R MCC 48HRN1 R...

Страница 33: ...MCAC UTSM 2008 11 Air Velocity and Temperature Distributions Indoor Units 31 6 Air Velocity and Temperature Distributions Airflowvelocity Temperature...

Страница 34: ...2 78 27 19 C DB WB TC 7 67 7 31 7 10 6 60 SC 5 67 5 63 5 54 5 41 Input 2 43 2 57 2 70 2 84 32 23 C DB WB TC 7 81 7 53 7 38 6 82 SC 6 64 6 55 6 50 6 34 Input 2 54 2 65 2 84 2 94 Heating Heating Outdoor...

Страница 35: ...C DB WB TC 9 72 9 27 9 00 8 37 SC 7 19 7 14 7 02 6 86 Input 3 15 3 33 3 50 3 68 32 23 C DB WB TC 9 90 9 54 9 36 8 64 SC 8 42 8 30 8 24 8 04 Input 3 29 3 43 3 68 3 82 Heating Heating Outdoor conditions...

Страница 36: ...C DB WB TC 9 72 9 27 9 00 8 37 SC 7 19 7 14 7 02 6 86 Input 3 15 3 33 3 50 3 68 32 23 C DB WB TC 9 90 9 54 9 36 8 64 SC 8 42 8 30 8 24 8 04 Input 3 29 3 43 3 68 3 82 Heating Heating Outdoor condition...

Страница 37: ...B WB TC 11 34 10 82 10 50 9 77 SC 8 39 8 33 8 19 8 01 Input 3 47 3 66 3 850 4 04 32 23 C DB WB TC 11 55 11 13 10 92 10 08 SC 9 82 9 68 9 61 9 37 Input 3 62 3 77 4 04 4 20 Heating Heating Outdoor condi...

Страница 38: ...DB WB TC 11 34 10 82 10 50 9 77 SC 8 39 8 33 8 19 8 01 Input 3 47 3 66 3 850 4 04 32 23 C DB WB TC 11 55 11 13 10 92 10 08 SC 9 82 9 68 9 61 9 37 Input 3 62 3 77 4 04 4 20 Heating Heating Outdoor cond...

Страница 39: ...WB TC 15 12 14 42 14 00 13 02 SC 11 19 11 10 10 92 10 68 Input 4 39 4 64 4 881 5 13 32 23 C DB WB TC 15 40 14 84 14 56 13 44 SC 13 09 12 91 12 81 12 50 Input 4 59 4 78 5 13 5 32 Heating Heating Outdo...

Страница 40: ...380 415V 342V 418V 0 955 15 0 090 0 8 MCC 36HRN1 50 220 240V 198V 254V 0 955 25 0 090 0 8 MCC 36HRN1 R 50 380 415V 342V 418V 0 955 15 0 090 0 8 MCC 48HRN1 R 50 380 415V 342V 418V 0 955 15 0 090 0 8 Re...

Страница 41: ...MCAC UTSM 2008 11 Exploded View Indoor Units 39 10 Exploded View 10 1 MCC 24HRN1 33...

Страница 42: ...1 3 6 Wire joint 1 20 Drain pump 1 3 7 Wire joint 3p 1 21 Installation bracket ass y 1 4 Air guide ring ass y 1 22 Board ass y 1 5 Foam ass y 1 23 Water pipe clamp 1 6 Fan ass y 1 24 Fan clip 1 7 Evap...

Страница 43: ...MCAC UTSM 2008 11 Exploded View Indoor Units 41 10 2 MCC 30HRN1...

Страница 44: ...p subassembly 1 4 Air inducting coils subassembly 1 21 Water pump installation bracket subassembly 1 5 Foam subassembly drip tray 1 22 Front barrier IV subassembly 1 6 Fan assembly 1 23 Water pump pum...

Страница 45: ...MCAC UTSM 2008 11 Exploded View Indoor Units 43 10 3 MCC 30HRN1 R...

Страница 46: ...p subassembly 1 4 Air inducting coils subassembly 1 21 Water pump installation bracket subassembly 1 5 Foam subassembly drip tray 1 22 Front barrier IV subassembly 1 6 Fan assembly 1 23 Water pump pum...

Страница 47: ...MCAC UTSM 2008 11 Exploded View Indoor Units 45 10 4 MCC 36HRN1...

Страница 48: ...p subassembly 1 4 Air inducting coils subassembly 1 21 Water pump installation bracket subassembly 1 5 Foam subassembly drip tray 1 22 Front barrier IV subassembly 1 6 Fan assembly 1 23 Water pump pum...

Страница 49: ...MCAC UTSM 2008 11 Exploded View Indoor Units 47 10 5 MCC 36HRN1 R...

Страница 50: ...p subassembly 1 4 Air inducting coils subassembly 1 21 Water pump installation bracket subassembly 1 5 Foam subassembly drip tray 1 22 Front barrier IV subassembly 1 6 Fan assembly 1 23 Water pump pum...

Страница 51: ...MCAC UTSM 2008 11 Exploded View Indoor Units 49 10 6 MCC 48HRN1 R 34 3 3 2 3 3 3 4 3 5 3 6 3 7 32 3...

Страница 52: ...Pump installation subassembly 1 4 Guide wind circle subassembiy 1 23 Boarding subassembly 1 5 Foam subassembly drip tray 1 24 Water pipe clamp 1 6 Wind wheel assembly 1 25 Clip wind wheel 1 7 Fixing b...

Страница 53: ...wer Type MCC 24HRN1 MCC 30HRN1 MCC 30HRN1 R Power Phase 1 phase 1 phase 3 phase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 40 25 40 25 25 15 Indoor Unit Pow...

Страница 54: ...Field Wiring MCAC UTSM 2008 11 52 Indoor Units 13 Field Wiring...

Страница 55: ...4 2 Specifications 55 3 Dimensions 59 4 Service Space 60 5 Wiring Diagrams 61 6 Air Velocity and Temperature Distributions 65 7 Capacity Tables 67 8 Electric Characteristics 76 9 Sound Levels 76 10 Ex...

Страница 56: ...r flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow distri...

Страница 57: ...h 600 480 400 878 792 700 Indoor noise level sound pressure dB A 43 41 38 43 41 38 Indoor unit Dimension W H D mm 990 660 203 990 660 203 Packing W H D mm 1089 744 296 1089 744 296 Net Gross weight kg...

Страница 58: ...0 700 1400 1200 1000 Indoor noise level sound pressure dB A 45 43 40 45 43 40 Indoor unit Dimension W H D mm 990 660 203 1280 660 203 Packing W H D mm 1089 744 296 1379 744 296 Net Gross weight kg 27...

Страница 59: ...3 h 1400 1200 1000 1400 1200 1000 Indoor noise level sound pressure dB A 45 43 40 45 43 40 Indoor unit Dimension W H D mm 1280 660 203 1280 660 203 Packing W H D mm 1379 744 296 1379 744 296 Net Gross...

Страница 60: ...66 Number of circuits 5 5 5 Indoor air flow Hi Mi Lo m 3 h 1400 1200 1000 2136 1985 1775 2343 2085 1736 Indoor noise level sound pressure dB A 45 43 40 47 45 42 49 47 44 Indoor unit Dimension W H D mm...

Страница 61: ...A B C D E F G 12000 24000 990 660 203 505 506 907 200 30000 36000 1280 660 203 795 506 1195 200 48000 60000 1670 680 240 1070 450 1542 200 Note The dimension of 12000Btu h 18000Btu h and 24000Btu h a...

Страница 62: ...Service Space MCAC UTSM 2008 11 60 Indoor Units 4 Service Space...

Страница 63: ...MCAC UTSM 2008 11 Wiring Diagrams Indoor Units 61 5 Wiring Diagrams 5 1 MUB 12HRN1 MUB 18HRN1...

Страница 64: ...Wiring Diagrams MCAC UTSM 2008 11 62 Indoor Units 5 2 MUB 24HRN1 MUB 30HRN1 1 phase MUB 36HRN1 1 phase...

Страница 65: ...MCAC UTSM 2008 11 Wiring Diagrams Indoor Units 63 5 3 MUB 30HRN1 3 phase MUB 36HRN1 3 phase...

Страница 66: ...Wiring Diagrams MCAC UTSM 2008 11 64 Indoor Units 5 3 MUB 48HRN1 R MUB 60HRN1 R...

Страница 67: ...MCAC UTSM 2008 11 Air Velocity and Temperature Distributions Indoor Units 65 6 Air Velocity and Temperature Distributions Discharge angle 60 CEILING Airflow velocity Temperature...

Страница 68: ...Air Velocity and Temperature Distributions MCAC UTSM 2008 11 66 Indoor Units Discharge angle 60 FLOOR Temperature Airflow velocity...

Страница 69: ...1 24 27 19 C DB WB TC 3 46 3 30 3 20 2 98 SC 2 56 2 54 2 50 2 44 Input 1 08 1 14 1 20 1 26 32 23 C DB WB TC 3 52 3 39 3 33 3 07 SC 2 99 2 95 2 93 2 86 Input 1 13 1 18 1 26 1 31 Heating Heating Outdoor...

Страница 70: ...9 C DB WB TC 5 72 5 46 5 30 4 93 SC 4 24 4 20 4 13 4 04 Input 1 71 1 81 1 90 2 00 32 23 C DB WB TC 5 83 5 62 5 51 5 09 SC 4 96 4 89 4 85 4 73 Input 1 79 1 86 2 00 2 07 Heating Heating Outdoor conditio...

Страница 71: ...9 C DB WB TC 7 67 7 31 7 10 6 60 SC 5 67 5 63 5 54 5 41 Input 2 43 2 57 2 70 2 84 32 23 C DB WB TC 7 81 7 53 7 38 6 82 SC 6 64 6 55 6 50 6 34 Input 2 54 2 65 2 84 2 94 Heating Heating Outdoor conditio...

Страница 72: ...19 C DB WB TC 9 72 9 27 9 00 8 37 SC 7 19 7 14 7 02 6 86 Input 3 38 3 56 3 75 3 94 32 23 C DB WB TC 9 90 9 54 9 36 8 64 SC 8 42 8 30 8 24 8 04 Input 3 53 3 68 3 94 4 09 Heating Heating Outdoor condit...

Страница 73: ...19 C DB WB TC 9 72 9 27 9 00 8 37 SC 7 19 7 14 7 02 6 86 Input 3 38 3 56 3 75 3 94 32 23 C DB WB TC 9 90 9 54 9 36 8 64 SC 8 42 8 30 8 24 8 04 Input 3 53 3 68 3 94 4 09 Heating Heating Outdoor condit...

Страница 74: ...C DB WB TC 11 34 10 82 10 50 9 77 SC 8 39 8 33 8 19 8 01 Input 3 38 3 56 3 75 3 94 32 23 C DB WB TC 11 55 11 13 10 92 10 08 SC 9 82 9 68 9 61 9 37 Input 3 53 3 68 3 94 4 09 Heating Heating Outdoor co...

Страница 75: ...C DB WB TC 11 34 10 82 10 50 9 77 SC 8 39 8 33 8 19 8 01 Input 3 38 3 56 3 75 3 94 32 23 C DB WB TC 11 55 11 13 10 92 10 08 SC 9 82 9 68 9 61 9 37 Input 3 53 3 68 3 94 4 09 Heating Heating Outdoor co...

Страница 76: ...WB TC 15 12 14 42 14 00 13 02 SC 11 19 11 10 10 92 10 68 Input 4 23 4 47 4 70 4 94 32 23 C DB WB TC 15 40 14 84 14 56 13 44 SC 13 09 12 91 12 81 12 50 Input 4 42 4 61 4 94 5 12 Heating Heating Outdoo...

Страница 77: ...WB TC 17 28 16 48 16 00 14 88 SC 12 79 12 69 12 48 12 20 Input 5 02 5 30 5 578 5 86 32 23 C DB WB TC 17 60 16 96 16 64 15 36 SC 14 96 14 76 14 64 14 28 Input 5 24 5 47 5 86 6 08 Heating Heating Outdo...

Страница 78: ...18V 0 79 20 0 08 0 63 MUB 36HRN1 50 220 240V 198V 254V 0 79 25 0 08 0 63 MUB 36HRN1 50 380 415V 342V 418V 0 79 20 0 08 0 63 MUB 48HRN1 R 50 380 415V 342V 418V 1 25 20 0 059 0 39 2 MUB 60HRN1 R 50 380...

Страница 79: ...otor clamp 1 28 Evaporator left clapboard 1 10 Motor clamp 1 29 Cover 1 11 Volute shell 2 30 Display panel box 1 12 Board 1 31 Display board ass y 1 13 Middle beam 1 32 Manual button 1 14 E part box c...

Страница 80: ...orator left clapboard 1 10 Motor clamp 1 29 Cover 1 11 Volute shell 2 30 Display panel box 1 12 Board 1 31 Display board ass y 1 13 Middle beam 1 32 Manual button 1 14 E part box cover 1 33 Air outlet...

Страница 81: ...orator left clapboard 1 10 Motor clamp 1 29 Cover 1 11 Volute shell 2 30 Display panel box 1 12 Board 1 31 Display board ass y 1 13 Middle beam 1 32 Manual button 1 14 E part box cover 1 33 Air outlet...

Страница 82: ...Motor clamp 1 28 Evaporator left clapboard 1 10 Motor clamp 1 29 Cover 1 11 Volute shell 3 30 Display panel box 1 12 Board 1 31 Display board ass y 1 13 Middle beam 1 32 Manual button 1 14 E part box...

Страница 83: ...Motor clamp 1 28 Evaporator left clapboard 1 10 Motor clamp 1 29 Cover 1 11 Volute shell 3 30 Display panel box 1 12 Board 1 31 Display board ass y 1 13 Middle beam 1 32 Manual button 1 14 E part box...

Страница 84: ...acket 2 24 3 Wire joint 1 8 Right sealed board 1 24 4 Wire joint 1 9 left sealed board 1 24 5 Transformer 1 10 Pipe clamp board 1 25 Foam 2 11 Cover 1 26 Top cover ass y 1 12 Left cover 1 27 Drainage...

Страница 85: ...cket 2 24 3 Wire joint 1 8 Right sealed board 1 24 4 Wire joint 1 9 Left sealed board 1 24 5 Transformer 1 10 Pipe clamp board 1 25 Foam 2 11 Cover 1 26 Top cover ass y 1 12 Left cover 1 27 Drainage p...

Страница 86: ...Remote controller manual 1 12 The Specification of Power Type 12000 18000Btu h 24000 36000Btu h 30000 60000Btu h Power Phase 1 phase 1 phase 3 phase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz 3...

Страница 87: ...MCAC UTSM 2008 11 Field Wiring Indoor Units 85 13 Field Wiring MUB 12HRN1 MUB 18HRN1...

Страница 88: ...Field Wiring MCAC UTSM 2008 11 86 Indoor Units MUB 24HRN1 MUB 30HRN1 MUB 36HRN1 1 phase...

Страница 89: ...MCAC UTSM 2008 11 Field Wiring Indoor Units 87 MUB 30HRN1 MUB 36HRN1 3 phase MUB 48HRN1 R MUB 60HRN1 R...

Страница 90: ...Units Part 3 Outdoor Units 1 Specifications 89 2 Dimensions 94 3 Service Space 99 4 Piping Diagrams 100 5 Wiring Diagrams 103 6 Electric Characteristics 109 7 Operation Limits 109 8 Sound Levels 110...

Страница 91: ...Brand Welling Welling Input W 58 110 Capacitor F 2 5uF 450V 3 F 450V Speed r min 800 890 Outdoor coil Number of rows 2 2 Tube pitch a row pitch b mm 21 13 37 22 19 05 Fin spacing mm 1 5 1 4 Fin type...

Страница 92: ...144 304 Capacitor F 3 F 450V 10uF 5 450V Speed r min 840 740 Outdoor coil Number of rows 2 1 6 Tube pitch a row pitch b mm 22 19 05 22 19 05 Fin spacing mm 1 4 1 6 Fin type Hydrophilic aluminium Hydr...

Страница 93: ...r F 10uF 5 450V 10uF 5 450V Speed r min 740 740 Outdoor coil Number of rows 1 6 1 6 Tube pitch a row pitch b mm 22 19 05 22 19 05 Fin spacing mm 1 6 1 6 Fin type Hydrophilic aluminium Hydrophilic alum...

Страница 94: ...53 Capacitor F 10uF 5 450V 4 F 450V 2 Speed r min 740 825 Outdoor coil Number of rows 1 6 2 Tube pitch a row pitch b mm 22 19 05 22 19 05 Fin spacing mm 1 6 1 6 Fin type Hydrophilic aluminium Hydrophi...

Страница 95: ...or Brand Welling Input W 153 153 Capacitor F 4 F 450V Speed r min 825 Outdoor coil Number of rows 2 Tube pitch a row pitch b mm 22 19 05 Fin spacing mm 1 6 Fin type Hydrophilic aluminium Tube outside...

Страница 96: ...Dimensions MCAC UTSM 2008 11 94 Outdoor Units 2 Dimensions 2 1 MOU 12HN1...

Страница 97: ...MCAC UTSM 2008 11 Dimensions Outdoor Units 95 2 2 MOUA 18HN1...

Страница 98: ...Dimensions MCAC UTSM 2008 11 96 Outdoor Units 2 3 MOUA 24HN1...

Страница 99: ...MCAC UTSM 2008 11 Dimensions Outdoor Units 97 2 4 MOU 30HN1 MOU 30HN1 R MOU 36HN1 MOU 36HN1 R...

Страница 100: ...Dimensions MCAC UTSM 2008 11 98 Outdoor Units 2 5 MOUA 48HN1 R MOUA 60HN1 R...

Страница 101: ...pace Outdoor Units 99 3 Service Space 30cm 60cm 30cm 200cm Wall or obstacle Air inlet Air outlet Air inlet Maintain channel 60cm Obstacle Fix with bolt Deep foundation Necessary width 600mm is necessa...

Страница 102: ...valve room temp sensor evaporator temp sensor 4 way valve compressor condenser temp sensor stop valve Throttle capiliary Check valve filter 4 2 MOUA 18HN1 T1 T2 T3 Indoor units Outdoor unit stop valv...

Страница 103: ...op valve filter 4 4 MOU 30HN1 MOU 36HN1 MOU 30HN1 R MOU 36HN1 R T1 T2 T3 T4 Indoor units Outdoor unit T5 stop valve room temp sensor evaporator temp sensor 4 way valve compressor low pressure accumula...

Страница 104: ...ambient temp sensor stop valve filter low pressure receiver Discharge temp sensor High pressure switch Low pressure switch 4 6 MOUA 60HN1 R T1 T2 T3 T4 Indoor units Outdoor unit stop valve room temp s...

Страница 105: ...MCAC UTSM 2008 11 Wiring Diagrams Outdoor Units 103 5 Wiring Diagrams 5 1 MOU 12HN1...

Страница 106: ...Wiring Diagrams MCAC UTSM 2008 11 104 Outdoor Units 5 2 MOUA 18HN1...

Страница 107: ...MCAC UTSM 2008 11 Wiring Diagrams Outdoor Units 105 5 3 MOUA 24HN1...

Страница 108: ...Wiring Diagrams MCAC UTSM 2008 11 106 Outdoor Units 5 4 MOU 30HN1 MOU 36HN1...

Страница 109: ...MCAC UTSM 2008 11 Wiring Diagrams Outdoor Units 107 5 5 MOU 30HN1 R MOU 36HN1 R...

Страница 110: ...Wiring Diagrams MCAC UTSM 2008 11 108 Outdoor Units 5 6 MOUA 48HN1 R MOUA 60HN1 R...

Страница 111: ...54V 97 17 65 0 25 1 38 MOU 36HN1 R 50 380 415V 342V 418V 61 6 58 0 25 1 38 MOUA 48HN1 R 50 380 415V 342V 418V 63 8 3 0 065 0 065 0 7 0 7 MOUA 60HN1 R 50 380 415V 342V 418V 67 9 77 0 065 0 065 0 7 0 7...

Страница 112: ...0 60000Btu h Microphone Outdoor Unit H 1 0m Note H 0 5 height of outdoor unit Note The point A is in the middle of the whole outdoor panel Model Noise level dB A MOU 12HN1 43 MOUA 18HN1 48 MOUA 24HN1...

Страница 113: ...denser ass y 1 11 Base ass y 1 5 E part box ass y 1 12 Grille 1 5 1 Wire joint 2p 1 13 Front panel 1 5 2 Wire joint 5p 1 14 Compressor 1 5 3 Compressor capacitor 1 15 Net Clamp 6 5 4 Motor capacitor 1...

Страница 114: ...ass y 1 16 Left supporter 1 5 1 High pressure valve 1 17 Big handle 1 5 2 Capillary 1 18 E part box ass y 1 6 Temp sensor ass y 1 18 1 Compressor capacitor 1 7 4 way valve ass y 1 18 2 Motor capacitor...

Страница 115: ...16 1 Compressor capacitor 1 6 High pressure valve ass y 1 16 2 Wire joint 1 6 1 High pressure valve 1 16 3 Wire joint 2p 1 6 2 Capillary 1 16 4 Wire joint 2 7 4 way valve ass y 1 16 5 Contactor 1 7 1...

Страница 116: ...ted pipe ass y 1 27 Partition board ass y 1 9 Rear right clapboard ass y 1 28 Rear net 1 10 Front right clapboard ass y 1 29 Left holder 1 11 4 way valve ass y 1 30 E part box ass y 1 11 1 Low pressur...

Страница 117: ...3 Fluted pipe ass y 1 27 Axial flow fan 1 9 Rear right clapboard ass y 1 28 Partition board ass y 1 10 Front right clapboard ass y 1 29 Rear net 1 11 4 way valve ass y 1 30 Left holder 1 11 1 Low pres...

Страница 118: ...nel 1 20 4 AC contactor 1 8 Low pressure valve ass y 1 20 5 Main control board ass y 1 8 1 4 way valve 1 20 6 Wire joint 4p 1 8 2 Solenoid 1 20 7 Transformer 1 8 3 Low pressure valve 1 20 8 Electric i...

Страница 119: ...nel 1 20 4 AC contactor 1 8 Low pressure valve ass y 1 20 5 Main control board ass y 1 8 1 4 way valve 1 20 6 Wire joint 4p 1 8 2 Solenoid 1 20 7 Transformer 1 8 3 Low pressure valve 1 20 8 Electric i...

Страница 120: ...power is cut off 6 Protection Outdoor protection lack of phase phase sequence and temperature protection All lamps flashing at 5Hz Recover automatically after errors are eliminated For T3 malfunction...

Страница 121: ...sensor is abnormal E4 Condenser temperature sensor is abnormal E2 Whether the resistance of the room temp sensor is 10K Replace temp sensor No Yes Replace the PCB E3 Whether the resistance of the evap...

Страница 122: ...s 10K Replace temp sensor No Yes Replace the PCB E6 Whether the outdoor unit is power on Measure whether the voltage of the communication line s red and black end between the indoor and outdoor unit i...

Страница 123: ...chip Yes No Check PCB board or replace the main control board Replace EEPROM Yes No E8 Check whether the water level switch is inserted well Check whether the water level switch is broken Check PCB b...

Страница 124: ...ective Overload of current Check the current normally Is the current in rated range The outdoor PCB is defective Yes No Lack of phase Check the power supply is it 3 phase 380 415V Check the connection...

Страница 125: ...or unit is bad ventilation 6 Refrigerant is leakage 7 K1 switch is defective Is pressure protective switch K2 open Yes Yes Yes Possible reason 1 The wires is loose to K2 2 Air or other gas in the refr...

Страница 126: ...epair connector No Yes Is it the resistance is normal Indoor PCB is defective Replace the sensor Yes No High temperature protection of condenser Check the resistance of the temp sensor according to An...

Страница 127: ...0000 36 6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17...

Страница 128: ......

Страница 129: ...stallation Installation 127 Part 4 Installation 1 Precaution on Installation 128 2 Vacuum Dry and Leakage Checking 129 3 Additional Charge 130 4 Water Drainage 131 5 Insulation Work 133 6 Wiring 134 7...

Страница 130: ...If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before con...

Страница 131: ...ruction environment common vacuum dry special vacuum dry Common vacuum dry procedure l Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pipe and run t...

Страница 132: ...onal Charge Caution Refrigerant cannot be charged until field wiring has been completed Refrigerant may only be charged after performing the leak test and the vacuum pumping When charging a system car...

Страница 133: ...lated to prevent atomization Drainpipe should be installed before installing indoor unit After powering on there is some water in water receiver plate Please check if the drain pump can operate correc...

Страница 134: ...tem 4 4 3 Selecting the diameter Number of connecting indoor units Calculate drainage volume Select the diameter Calculate allowed volume Total cooling capacity of indoor units HP 2 l hr Allowed volum...

Страница 135: ...ve 100 5 1 2 Thickness choice for insulation material Insulation material thickness is as follows Pipe diameter mm Adiabatic material thickness Refrigerant pipe 6 4 25 4 10mm 28 6 38 1 15mm Drainage p...

Страница 136: ...ipes Make sure there s no clearance in the joining part of the accessorial insulation material and local preparative insulation material 5 3 Drainage pipe insulation The connection part should be insu...

Страница 137: ...air conditioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test...

Страница 138: ...Control MCAC UTSM 2008 11 136 Control Part 5 Control 1 Remote Controller 137...

Страница 139: ...s button to cancel ON timer and OFF timer When you push the RESET button all current settings are cancelled and get into the condition of beginning In the clock the colon in 0 00 will flash the mode d...

Страница 140: ...2 Fan speed se ttin g 4 Adjus t 1 3 Co ol heat Lock Reset 15 13 12 14 Confirmbutton 1 6 Economic operation TIME ON TI ME OF F C LOCK SWING AIRDIRE CTI ON O K ECO SW ING MODE FAN S P EED M AUTO COO L D...

Страница 141: ...d when resetting or electrifying for the first time Press CLOCK for 5s icon indicating hour will flash with 0 5s Press it again icon indicating minute will flash with 0 5s and are used to adjust the f...

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