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No.

Name

CN#

Meaning

Power Supply

CN3

Earth: connect to Ground

CN1

N_in: connect to N-line (208-230V AC input)

CN2

L_in: connect to L-line (208-230V AC input)

CN16

S: connect to indoor unit communication

HEAT1

CN17

connect to compressor heater, 208-230V AC when is ON

4-WAY

CN60

connect to 4 way valve, 208-230V AC when is ON.

HEAT2

CN15

connect to chassis heater, 208-230V AC when is ON

AC-FAN

CN25

connect to AC fan

TP T4 T3

CN22

connect to pipe temp. sensor T3, ambient temp. sensor T4, exhaust
temp. sensor TP

TP T4 T3

CN21

connect to pipe temp. sensor T3, ambient temp. sensor T4, exhaust
temp. sensor TP

PMV

CN31

connect to Electric Expansion Valve

DC-FAN

CN7

connect to DC fan

FAN_IPM

IPM 501

IPM for DC fan

TESTPORT

CN6

used for testing

EE_PORT

CN505

EEPROM programer port

MCUPORT

CN507

connect to PC communication

CN28

connect to compressor

CN29

0V AC (standby)

CN30

10-200V AC (running)

COMP_IPM

IPM 301

IPM for compressor

CN9

connect to reactor

CN32

connect to reactor

Note: This section is for reference only. Please take practicality as standard.

Содержание U6MRS32-18

Страница 1: ...SERVICE MANUAL ENGLISH AIR CONDITIONING SYSTEMS LCAC...

Страница 2: ...Unit 1 Indoor Unit Compact Four way Cassette Type 2 Indoor Unit A6 Duct Type 3 Indoor Unit Floor Ceiling Type Outdoor Unit 1 Dimensional Drawings 2 Centre of Gravity 3 Service Space 4 Capacity Correct...

Страница 3: ...e by Error Code 7 Troubleshooting by Error Code 8 Check Procedures Indoor Unit Disassembly 1 Indoor Unit Compact Four way Cassette Type 2 Indoor Unit A6 Duct Type 3 Indoor Unit Floor Ceiling Type Outd...

Страница 4: ......

Страница 5: ...Contents 1 Precautions 2 2 Information servicing For flammable materials 3 Safety Precautions...

Страница 6: ...d perform electri cal work For more information contact your dealer seller or an authorized service center CAUTION While unpacking be careful of sharp edges around the unit as well as the edges of the...

Страница 7: ...work taking place the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks NO SMOKING signs shall be displayed 2 7 Ventilated area Ensure tha...

Страница 8: ...on of refrigerant in the atmosphere from a leak 2 12 Cabling Check that cabling will not be subject to wear corrosion excessive pressure vibration sharp edges or any other adverse environmental effect...

Страница 9: ...use of reclaimed refrigerant It is essential that electrical power is available before the task is commenced Become familiar with the equipment and its operation Isolate system electrically Before at...

Страница 10: ...iated electrical components are sealed to prevent ignition in the event of a refrigerant release Consult manufacturer if in doubt The recovered refrigerant shall be returned to the refrigerant supplie...

Страница 11: ...Contents 1 Model Reference 2 2 External Appearance 3 Model Reference...

Страница 12: ...termine the specific indoor and outdoor unit model number of your purchased equipment Indoor Unit Model Universal Outdoor Unit Model Capacity Btu h Power Supply 1 220 240V 50Hz Cassette V6MCRI32 18WiF...

Страница 13: ...Model Reference 3 2 External Appearance 2 1 Indoor Unit Compact Four way Cassette A6 Duct Floor Ceiling...

Страница 14: ...Model Reference 4 2 2 Outdoor Unit Outdoor Unit...

Страница 15: ...s 4 3 Part names 5 4 Service Place 6 5 Accessories 7 6 Air Velocity and Temperature Distributions 8 7 Capacity Tables 12 8 Noise Criterion Curves 18 9 Electrical Characteristics 20 10 Electrical Wirin...

Страница 16: ...l box adopts new design which can meet higher fire safety requirements 1 3 Reserved remote on off and alarm ports Optional for fixed speed units standard for inverter units Remote on off With the rese...

Страница 17: ...frared remote controller wired controller can be fixed on the wall and avoid mislaying It s mainly used for commercial zone and makes air conditioner control more convenient 1 7 Louver Position Memory...

Страница 18: ...IDU Compact Cassette 4 2 Dimensional Drawings...

Страница 19: ...IDU Compact Cassette 5 3 Part names Drain pump within indoor unit Drain pipe Air outlet Air inlet Display panel Front grille Louver Refrigerant pipe...

Страница 20: ...IDU Compact Cassette 6 4 Service Place...

Страница 21: ...Outlet pipe clasp some models 1 Drain joint some models 1 Seal ring some models 1 EMC Magnetic Ring some models Magnetic ring wrap the electric wires S1 S2 P Q E around the magnetic ring twice 1 Magn...

Страница 22: ...IDU Compact Cassette 8 6 Air Velocity and Temperature Distributions 18K Discharge Angle 30 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 23: ...IDU Compact Cassette 9 Heating airflow velocity distributions Heating temperature distributions...

Страница 24: ...IDU Compact Cassette 10 Discharge Angle 60 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 25: ...IDU Compact Cassette 11 Heating airflow velocity distributions Heating temperature distributions...

Страница 26: ...5 74 5 79 5 79 5 79 5 79 6 19 6 19 6 19 6 19 S T 0 69 0 76 0 83 0 89 0 57 0 63 0 70 0 76 0 51 0 58 0 64 0 70 0 38 0 44 0 50 0 56 PI 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 13 1...

Страница 27: ...12 2 12 2 14 2 14 2 14 2 14 720 15 TC 5 74 5 74 5 80 5 86 6 05 6 05 6 05 6 05 6 20 6 20 6 20 6 20 6 57 6 57 6 57 6 57 S T 0 70 0 78 1 00 1 00 0 56 0 64 0 72 0 98 0 49 0 57 0 66 0 73 0 35 0 42 0 49 0...

Страница 28: ...4 11 4 11 4 45 4 45 4 45 4 45 S T 0 74 0 84 0 94 1 00 0 59 0 68 0 77 0 86 0 52 0 61 0 69 0 78 0 36 0 44 0 52 0 60 PI 2 30 2 30 2 30 2 30 2 31 2 31 2 31 2 31 2 32 2 32 2 32 2 32 2 33 2 33 2 33 2 33 62...

Страница 29: ...32 1 32 1 32 1 32 1 32 1 32 20 TC 5 48 5 48 5 53 5 59 5 82 5 82 5 82 5 82 5 99 5 99 5 99 5 99 6 42 6 42 6 42 6 42 S T 0 72 0 81 0 90 0 98 0 58 0 66 0 75 0 83 0 51 0 59 0 68 0 76 0 36 0 44 0 51 0 59 P...

Страница 30: ...4 7 4 7 1 86 1 93 1 89 1 91 5 6 4 7 4 7 4 7 4 6 1 82 1 84 1 85 1 86 2 8 4 7 4 7 4 7 4 7 1 74 1 75 1 76 1 77 0 0 4 7 4 7 4 6 4 6 1 66 1 67 1 67 1 68 2 8 4 9 4 8 4 8 4 7 1 59 1 60 1 60 1 61 5 6 5 2 5 1...

Страница 31: ...5 7 0 88 0 90 0 95 0 97 5 6 5 7 5 6 5 6 5 5 0 91 0 96 0 99 1 01 2 8 5 5 5 4 5 4 5 4 0 99 1 04 1 07 1 10 0 0 5 2 5 2 5 1 5 1 1 06 1 12 1 15 1 18 2 8 5 2 5 1 5 1 5 0 1 15 1 22 1 25 1 28 5 6 5 2 5 2 5 1...

Страница 32: ...nominal operation condition Reference acoustic pressure OdB 20 Pa Sound level will vary depending on a range of factors such as theconstruction acousticabsorptioncoefficient ofparticular room in whic...

Страница 33: ...mpact Cassette 19 V6MCRI32 18WiFiR 0 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB 0dB 0 0002 bar Band Center Frequency Hz H M L NC 70 NC 60 NC 50 NC 4...

Страница 34: ...2 5 Strong Electric Signal 4 1 0 4 2 5 with auxiliary electric heater Weak Electric Signal 10 Electrical Wiring Diagrams IDU Model IDU Wiring Diagram Field Wiring Diagram V6MCRI32 18WiFiR 16022500004...

Страница 35: ...To CCM Comm Bus CN7 T2B OUTER PIPE TEMP POWER P1 CN3 JR6 JR6 FAN1 CAP1 Y G P3 P2 6 CN4 2 H CH P4 Y G 4 BROWN BLACK CN110 YELLOW Y G TO OUTDOOR UNIT P5 MAGNETIC RING MAGNETIC RING NOTE The wiring diag...

Страница 36: ...on 4 When close open the remote switch the unit would be responded the demand within 2 seconds 5 When the remote switch on you can use remote controller wire controller to select the mode what you wan...

Страница 37: ...ut no voltage of the terminal port the power from the ALARM system not from the unit 2 Although design voltage can support higher voltage but we strongly ask you connect the power less than 24V curren...

Страница 38: ...tput voltage is the power supply 3 The fresh motor can not excess 200W or 1A follow the smaller one 4 The new fresh motor will be worked when the indoor fan motor work when the indoor fan mo tor stops...

Страница 39: ...i cold wind action in heating mode Range 24o C 15o C 8o C According to EEROM setting reserved for special customizing B Micro switch SW2 is for selection of indoor FAN ACTION if room temperature reach...

Страница 40: ...r selection of temperature compensation in heating mode This helps to reduce the real temperature difference between ceiling and floor so that the unit could run properly If the height of installation...

Страница 41: ...E F 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8 4 1 2 3 5 6 7 C 9 A B D E F 20 26 36 53 32 35 54 71 72 90 91 105 141 160 H Dial switch ENC1 The indoor PCB is universal designed...

Страница 42: ...imensional Drawings 5 3 Part names 6 4 Service Place 6 5 Accessories 7 6 Fan Performance 8 7 Capacity Tables 10 8 Noise Criterion Curves 16 9 Electrical Characteristics 18 10 Electrical Wiring Diagram...

Страница 43: ...ely with both short pipes and long pipes 1 2 High Static Pressure Capable to be installed in various applications that requires static pressure of 160Pa 12K 18K 24K 36K 48K 40Pa 70Pa 70Pa 100Pa 100Pa...

Страница 44: ...into tight roof space 1 5 2 Types Installation Two types of installation methods can be selected ceiling concealed and floor concealed optional 1 6 Flexible Air Intake The frame size of air inlet in r...

Страница 45: ...ection For ordinary duct 3 wires must correspond to P Q and E terminal one by one You may be confused when wires are too long A6 duct uses two wires without polarity connection way which almost has no...

Страница 46: ...Drawings Model unit A B C D E F G H I J K L M H1 H2 W1 W2 KBtu h 18 mm 880 210 674 600 140 706 50 136 782 190 40 920 508 78 148 88 112 inch 34 65 8 27 26 54 23 62 5 51 27 8 1 97 5 35 30 79 7 48 1 57...

Страница 47: ...art names Air outlet Air inlet Air filter on some models Drain hose Electric control box Refrigerant connecting pipe 4 Service Place Air outlet Air inlet 20cm 7 9in 11 8in 23 6inx23 6in 60cmx60cm chec...

Страница 48: ...ments sometimes the pipe connections need a transfer connector installed on the outdoor unit 1 on some models Transfer connector 6 35 9 52 0 25in 0 375in Packed with the indoor unit NOTE Pipe size may...

Страница 49: ...IDU A6 Duct 8 6 Fan Performance 18K...

Страница 50: ...IDU A6 Duct 9 Constant air volume...

Страница 51: ...5 79 5 79 5 79 5 79 6 19 6 19 6 19 6 19 S T 0 67 0 72 0 76 0 81 0 58 0 62 0 67 0 71 0 54 0 58 0 62 0 66 0 44 0 48 0 52 0 56 PI 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 13 1 13 1...

Страница 52: ...12 2 14 2 14 2 14 2 14 880 15 TC 5 74 5 74 5 80 5 86 6 05 6 05 6 05 6 11 6 20 6 20 6 20 6 20 6 57 6 57 6 57 6 57 S T 0 74 0 85 1 00 1 00 0 58 0 68 0 77 0 98 0 50 0 60 0 70 0 79 0 34 0 42 0 51 0 60 PI...

Страница 53: ...8 4 7 1 79 1 85 1 84 1 85 5 6 4 8 4 8 4 7 4 7 1 76 1 79 1 81 1 82 2 8 4 9 4 9 4 8 4 8 1 71 1 74 1 75 1 76 0 0 5 0 4 9 4 8 4 8 1 66 1 69 1 70 1 71 2 8 5 1 5 1 5 0 5 0 1 63 1 65 1 66 1 67 5 6 5 5 5 5 5...

Страница 54: ...nal operation condition Reference acoustic pressure OdB 20 Pa Sound level will vary depending on a range of factors such as theconstruction acousticabsorptioncoefficient ofparticular room in which the...

Страница 55: ...IDU A6 Duct 17 0 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB 0dB 0 0002 bar Band Center Frequency Hz H M L NC 70 NC 60 NC 50 NC 40 NC 30...

Страница 56: ...0 4 2 5 with auxiliary electric heater Weak Electric Signal 10 Electrical Wiring Diagrams IDU Model IDU Wiring Diagram Field Wiring Diagram V6MDI32 18WiFiR 16023000008817 16022700001415 Abbreviation P...

Страница 57: ...e on off function AC FAN Y G WHITE WHITE GRAY CN4 P1 P2 BLACK BROWN M 5 3 FOR SETTING FAN MOTOR CONTROL WHEN THERE IS NO DEMAND 1 ON 1 ON SW2 FAN OFF FAN ON MODE FACTORY SETTING 1 2 ON 1 2 ON 1 2 ON 1...

Страница 58: ...g diagram 16022700001415 1 L 2 N S 1 2 3 1 L 2 N S 1 2 3 OUTDOOR UNIT OUTDOOR UNIT Power supply 24K 3 core cable 3x2 5mm 25K 36K 3 core cable 3x4 0mm 37K 3 core cable 3x6 0mm 1 Phase 208 240V 2 2 2 2...

Страница 59: ...re L N of the motor 2 The output voltage is the power supply 3 The fresh motor can not excess 200W or 1A follow the smaller one 4 The new fresh motor will be worked when the indoor fan motor work when...

Страница 60: ...ut no voltage of the terminal port the power from the ALARM system not from the unit 2 Although design voltage can support higher voltage but we strongly ask you connect the power less than 24V curren...

Страница 61: ...pen the remote switch the unit would be responded the demand within 2 seconds 5 When the remote switch on you can use remote controller wire controller to select the mode what you want when the remote...

Страница 62: ...OM setting reserved for special customizing FOR SETTING FAN MOTOR CONTROL WHEN THERE IS NO DEMAND 1 ON 1 ON SW2 FAN OFF FAN ON MODE FACTORY SETTING B Micro switch SW2 is for selection of indoor FAN AC...

Страница 63: ...l switch S2 are for address setting when you want to control this unit by a central controller Range 00 63 106 140 161 200 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8 4 1 2 3 5...

Страница 64: ...gs 3 3 Part names 4 4 Service Place 5 5 Accessories 6 6 Air Velocity and Temperature Distributions 7 7 Capacity Tables 15 8 Noise Criterion Curves 19 9 Electrical Characteristics 21 10 Electrical Wiri...

Страница 65: ...e controllerto direct air flow to every corner of the room 1 3 Easy Maintenance Universal Spare Parts More than 60 parts and assemblies such as fan wheel plastic cases metal parts etc are universal fo...

Страница 66: ...IDU Floor Ceiling 3 2 Dimensional Drawings Model KBtu h Unit A B C D 18 mm 1068 675 235 983 inch 42 05 26 57 9 25 38 7...

Страница 67: ...IDU Floor Ceiling 4 3 Part names Air inlet Display panel Air outlet grille Louver Installation part...

Страница 68: ...IDU Floor Ceiling 5 4 Service Place 35mm 1 38in 1m 3 28ft 35mm 1 38in 35mm 1 38ch...

Страница 69: ...e some models Remote controller 1 Fixing screw for remote controller holder ST2 9 x 10 2 Remote controller holder 1 Dry battery AAA 2 Remote controller illustration 1 EMC Magnetic Ring some models Mag...

Страница 70: ...IDU Floor Ceiling 7 6 Air Velocity and Temperature Distributions 18K Ceiling installation Discharge Angle 30 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 71: ...IDU Floor Ceiling 8 Ceiling installation Discharge Angle 60 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 72: ...IDU Floor Ceiling 9 Ceiling installation Discharge Angle 30 Heating airflow velocity distributions Heating temperature distributions...

Страница 73: ...IDU Floor Ceiling 10 Ceiling installation Discharge Angle 60 Heating airflow velocity distributions Heating temperature distributions...

Страница 74: ...IDU Floor Ceiling 11 Floor installation Discharge Angle 30 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 75: ...IDU Floor Ceiling 12 Floor installation Discharge Angle 60 Cooling airflow velocity distributions Cooling temperature distributions...

Страница 76: ...IDU Floor Ceiling 13 Floor installation Discharge Angle 30 Heating airflow velocity distributions Heating temperature distributions...

Страница 77: ...IDU Floor Ceiling 14 Floor installation Discharge Angle 60 Heating airflow velocity distributions Heating temperature distributions...

Страница 78: ...74 5 79 5 79 5 79 5 79 6 19 6 19 6 19 6 19 S T 0 71 0 80 0 88 0 96 0 58 0 65 0 73 0 81 0 51 0 59 0 66 0 74 0 37 0 44 0 51 0 58 PI 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 14 1 13 1 13...

Страница 79: ...2 2 12 2 14 2 14 2 14 2 14 880 15 TC 5 74 5 74 5 80 5 86 6 05 6 05 6 05 6 11 6 20 6 20 6 20 6 20 6 57 6 57 6 57 6 57 S T 0 74 0 85 1 00 1 00 0 58 0 68 0 77 0 98 0 50 0 60 0 70 0 79 0 34 0 42 0 51 0 60...

Страница 80: ...1 61 7 0 4 56 4 50 4 47 4 47 1 65 1 70 1 69 1 71 5 6 4 63 4 57 4 54 4 54 1 62 1 65 1 67 1 68 2 8 4 69 4 66 4 63 4 60 1 58 1 61 1 62 1 64 0 0 4 72 4 66 4 63 4 60 1 54 1 57 1 58 1 60 2 8 4 89 4 84 4 81...

Страница 81: ...minal operation condition Reference acoustic pressure OdB 20 Pa Sound level will vary depending on a range of factors such as theconstruction acousticabsorptioncoefficient ofparticular room in which t...

Страница 82: ...ng 20 V6MKI32 18WiFiR match with U6MRS32 18 0 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB 0dB 0 0002 bar Band Center Frequency Hz H M L NC 70 NC 60 N...

Страница 83: ...hase Frequency and Voltage 220 240V 50Hz Circuit Breaker Fuse A 25 20 Indoor Unit Power Wiring mm2 Outdoor Unit Power Wiring mm2 3 2 5 Indoor Outdoor Connecting Wiring mm2 Ground Wiring 2 5 Strong Ele...

Страница 84: ...gram V6MKI32 18WiFiR 16022700002948 Abbreviation Paraphrase Y G Yellow Green Conductor CAP1 Indoor Fan Capacitor FAN1 Indoor Fan PUMP PUMP L LIVE N NEUTRAL TO CCM Comm Bus Central Controller T1 Indoor...

Страница 85: ...CN2 BLACK BLUE CN3 YELLOW Y G L N S TO OUTDOOR UNIT MAGNETIC RING M 1 2 ON 1 2 ON 1 2 ON 1 2 ON SW1 24 15 8 EEPROM DEFAULT FACTORY SETTING FOR ANTI COLD WIND MODE FOR SETTING FAN MOTOR CONTROL WHEN T...

Страница 86: ...re L N of the motor 2 The output voltage is the power supply 3 The fresh motor can not excess 200W or 1A follow the smaller one 4 The new fresh motor will be worked when the indoor fan motor work when...

Страница 87: ...ut no voltage of the terminal port the power from the ALARM system not from the unit 2 Although design voltage can support higher voltage but we strongly ask you connect the power less than 24V curren...

Страница 88: ...pen the remote switch the unit would be responded the demand within 2 seconds 5 When the remote switch on you can use remote controller wire controller to select the mode what you want when the remote...

Страница 89: ...ding to EEROM setting reserved for special customizing FOR SETTING FAN MOTOR CONTROL WHEN THERE IS NO DEMAND 1 ON 1 ON SW2 FAN OFF FAN ON MODE FACTORY SETTING B Micro switch SW2 is for selection of in...

Страница 90: ...S1 and dial switch S2 are for address setting when you want to control this unit by a central controller Range 00 63 106 140 161 200 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8 4 1 2 3 5 6 7 C 9 A B D E F 0 8...

Страница 91: ...nts 1 Dimensional Drawings 2 2 Service Place 9 3 Capacity Correction Factor for Height Difference 10 4 Noise Criterion Curves 16 5 Refrigerant Cycle Diagrams 18 6 Electrical Wiring Diagrams 19 Outdoor...

Страница 92: ...Outdoor Unit 2 1 Dimensional Drawings Please check the corresponding dimensional drawing according to the panel plate ODU Model Panel Plate U6MRS32 18 B30...

Страница 93: ...Outdoor Unit 3 Panel Plate B30...

Страница 94: ...Outdoor Unit 4 Panel Plate BA30...

Страница 95: ...Outdoor Unit 5 Panel Plate CA30...

Страница 96: ...Outdoor Unit 6 Panel Plate D30...

Страница 97: ...Outdoor Unit 7 Panel Plate E30...

Страница 98: ...Outdoor Unit 8 Panel Plate 590...

Страница 99: ...Outdoor Unit 9 2 Service Place...

Страница 100: ...970 0 1 000 0 993 0 978 0 970 Outdoor Upper than Indoor 5 0 992 0 985 0 970 0 962 10 0 977 0 962 0 955 Capacity Btu h 18k Pipe Length m Cooling 5 10 20 30 Height difference H m Indoor Upper than Outd...

Страница 101: ...ndoor 5 1 000 0 989 0 968 0 947 0 926 0 905 10 0 989 0 968 0 947 0 926 0 905 20 0 968 0 947 0 926 0 905 25 0 947 0 926 0 905 Heating 5 10 20 30 40 50 Height difference H m Indoor Upper than Outdoor 25...

Страница 102: ...ndoor 5 1 000 0 984 0 951 0 919 0 886 0 854 10 0 984 0 951 0 919 0 886 0 854 20 0 951 0 919 0 886 0 854 25 0 919 0 886 0 854 Heating 5 10 20 30 40 50 Height difference H m Indoor Upper than Outdoor 25...

Страница 103: ...ndoor 5 1 000 0 972 0 945 0 917 0 876 0 834 10 0 972 0 945 0 917 0 876 0 834 20 0 945 0 917 0 876 0 834 30 0 917 0 876 0 834 Heating 5 15 25 35 50 65 Height difference H m Indoor Upper than Outdoor 30...

Страница 104: ...ndoor 5 1 000 0 971 0 941 0 912 0 868 0 824 10 0 971 0 941 0 912 0 868 0 824 20 0 941 0 912 0 868 0 824 30 0 912 0 868 0 824 Heating 5 15 25 35 50 65 Height difference H m Indoor Upper than Outdoor 30...

Страница 105: ...ndoor 5 1 000 0 966 0 931 0 897 0 846 0 794 10 0 966 0 931 0 897 0 846 0 794 20 0 931 0 897 0 846 0 794 30 0 897 0 846 0 794 Heating 5 15 25 35 50 65 Height difference H m Indoor Upper than Outdoor 30...

Страница 106: ...Data is valid at nominal operation condition Reference acoustic pressure OdB 20 Pa Sound level will vary depending on arrange off actors such as the construction acoustic absorption coefficient of par...

Страница 107: ...Unit 17 U6MRS32 18 0 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level dB 0dB 0 0002 bar Band Center Frequency Hz Cooling Heating NC 70 NC 60 NC 50 NC 40 NC...

Страница 108: ...efrigerant Cycle Diagrams Model No Pipe Size Diameter mm inch Piping length m ft Elevation m ft Additional Refrigerant Gas Liquid Rated Max Rated Max U6MRS32 18 12 7 1 2 6 35 1 4 5 16 4 30 98 4 0 20 6...

Страница 109: ...Outdoor Unit 19 6 Electrical Wiring Diagrams ODU Model ODU Wiring Diagram ODU Main Printed Circuit Board U6MRS32 18 16022000022493 17122000002718...

Страница 110: ...Wiring Diagrams Outdoor unit wiring diagram 16022000022493...

Страница 111: ...Outdoor unit printed circuit board diagram 17122000002718...

Страница 112: ...pipe temp sensor T3 ambient temp sensor T4 exhaust temp sensor TP 8 TP T4 T3 CN21 connect to pipe temp sensor T3 ambient temp sensor T4 exhaust temp sensor TP 9 PMV CN31 connect to Electric Expansion...

Страница 113: ...Installation 4 Outdoor Unit Installation 5 Drainage Pipe Installation 6 Refrigerant Pipe Installation 7 Vacuum Drying and Leakage Checking 8 Additional Refrigerant Charge 9 Engineering of Insulation...

Страница 114: ...3 MC MC 4 5 6 7 8 Install the indoor unit Install the outdoor unit Install the drainpipe Connect the wires Connect the refrigerant pipes Evacuate the refrigeration system Install the panel only for c...

Страница 115: ...minimum distance between the outdoor unit and walls described in the installation guide does not apply to airtight rooms Be sure to keep the unit unobstructed in at least two of the three directions M...

Страница 116: ...nel dimensions 4 Refrigerant piping 5 Suspension bolt 4 6 Ceiling opening dimensions 7 Hanger bracket 8 Ceiling board 2 Drill 4 holes 5cm 2 deep at the ceiling hook positions in the internal ceiling B...

Страница 117: ...e embedded in advance Make sure that the hooks do not come loose due to concrete shrinkage After installing the indoor unit fasten the installation paper template onto the unit with bolts M6X12 to det...

Страница 118: ...the buckles at the back of the grille be properly seated in the groove of the panel 3 3 4 Connect the two wires of the panel to the main board of the unit 3 3 5 Fasten the control box lid with two scr...

Страница 119: ...ll as indoor and outdoor wires with their connection points before mounting the unit 5 Drill 4 holes 10cm 4 deep at the ceiling hook positions in the internal ceiling Be sure to hold the drill at a 90...

Страница 120: ...uce noise if the end user requires 3 4 Adjust the air inlet direction From rear side to under side 1 Take off ventilation panel and flange Air return flange Ventilation panel 2 Change the mounting pos...

Страница 121: ...the cut was made and consolidate the roof beam 2 After the selection of the installation location position the refrigerant pipes drain pipes and indoor and out door wires to the connection points befo...

Страница 122: ...side Wall Mounted Installation 8 Mount the indoor unit onto the hanging screw bolts with a block Position the indoor unit on a flat level by using a level to prevent leaks Screw nut Washer Hanging scr...

Страница 123: ...75 4 3 Install Outdoor Unit Fix the outdoor unit with anchor bolts M10 60cm 23 6 Fix with bolts Caution Since the gravity center of the unit is not at its physical center so please be careful when lif...

Страница 124: ...ng table is for reference PVC pipe Reference value of inner diameter of pipe mm Allowable maximum water flowrate l h Remark Slope 1 50 Slope 1 100 PVC25 20 39 27 For branch pipe PVC32 25 70 50 PVC40 3...

Страница 125: ...The length of lifting pipe should not exceed 750mm 29 5in The drainage pipe should be set down inclined after the lifting pipe immediately to avoid wrong operation of water level switch Refer the fol...

Страница 126: ...he maximum permissive length is based on the system reliability 2 Oil traps If the indoor unit is installed higher than the outdoor unit If oil flows back into the outdoor unit s compressor this might...

Страница 127: ...over or adhesive tape to avoid duct or exog enous impurity come into the pipe 7 Drill holes if the pipes need to pass the wall 8 According to the field condition to bend the pipes so that it can pass...

Страница 128: ...r 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge...

Страница 129: ...arging The air in the flexible pipe and manifold gauge should be exhausted After finished refrigerant recharge process check whether there is refrigerant leakage at the connec tion joint part Using ga...

Страница 130: ...Electrical Wring 1 Highlights of electrical wiring installation All field wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded ac cording to th...

Страница 131: ...lowing points Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the air flow louver moves normally Whether the room tem...

Страница 132: ...Contents 1 First Time Installation Check 2 2 Refrigerant Recharge 4 3 Re Installation 5 3 1 Indoor Unit 5 3 2 Outdoor Unit 7 Maintenance...

Страница 133: ...ure from affecting the air conditioner s performance the indoor unit as well as the pipes between the indoor and outdoor unit must be be leak tested and evacuated Leak test soap water method Use a sof...

Страница 134: ...g for an additional 20 minutes If the pressure does not achieve 0 1 MPa 14 5 Psi after 50 minutes check for leakage If the pressure successfully reaches 0 1 MPa 14 5 Psi fully close the Handle Lo valv...

Страница 135: ...in the charge hose then fully tighten the charge hose with push pin Handle Lo to the service port of 3 way valve 6 Place the charging cylinder onto an electronic scale and record the starting weight...

Страница 136: ...s gas service port 3 Open the Handle Lo manifold valve to purge air from the charge hose for 5 seconds and then close it quickly 4 Close the 2 way valve 5 Operate the air conditioner in cooling mode C...

Страница 137: ...icates 0 1 MPa 14 5 Psi If the meter does not indicate 0 1 MPa 14 5 Psi after 30 minutes continue evacuating for an additional 20 minutes If the pressure does not achieve 0 1 MPa 14 5 Psi after 50 min...

Страница 138: ...tem for approximately one hour Confirm that the compound meter indicates 0 1 MPa 14 5Psi 4 Close the valve Low side on the charge set and turn off the vacuum pump 5 Wait for 5 minutes then check wheth...

Страница 139: ...er to ensure a complete liquid charge 5 Open the valve at the bottom of the cylinder for 5 seconds to purge the air in the charge hose then fully tighten the charge hose with push pin Handle Lo to the...

Страница 140: ...ration Function 9 3 9 Timer Function 10 3 10 ECO Function 10 3 11 Auto Restart Function 10 3 12 Drain Pump Control 10 4 Optional Functions 11 5 Remote Controller Functions 12 5 1 Infrared Wireless Rem...

Страница 141: ...icator Infrared receiver PRE DEF pre heating defrost indicator MANUAL TIMER ALARM OPERATION DEF FAN Display 3 Display 4 Infrared receiver LED display PRE DEF pre heating defrost indicator MANUAL TIMER...

Страница 142: ...ator Timer indicator LED display Alarm indicator Infrared receiver PRE DEF pre heating defrost indicator Display 1 PRE DEF pre heating defrost indicator Infrared receiver Operation indicator Timer ind...

Страница 143: ...4 Compact Cassette Type Console Type Infrared receiver Timer indicator PRE DEF pre heating defrost indicator Operation indicator Manual button Note Please select the display function according to your...

Страница 144: ...ult count 0 No malfunction 1 P0 Overcurrent 2 Overpressure 3 Overload 4 Over speed 5 Startup malfunction 6 Lack of phase 7 DC voltage too low 8 Communication fault 9 Parameter fault 10 L3 Current limi...

Страница 145: ...ol Defrosting Mode Anti cold Air Function Cases Case 1 Compressor Frequency and T4 Case 2 T4 Case 1 T3 and T4 15 min Case 2 T3 10 min Case 1 Case 2 Models V6MDI32 18WiFiR V6MCRI32 18WiFiR V6MKI32 18Wi...

Страница 146: ...ressor ceases operation When calculated frequency fb is less than minimum limit frequency FminC When protective time is more than or equal to ten minutes When T1 is lower than or equal to Tsc CDIFTEMP...

Страница 147: ...en compressor running frequency is equal to test frequency T4 is more than 15 C or no T4 or T4 fault Change setting temperature Turbo or sleep function on off 2 When the current is higher than the pre...

Страница 148: ...consecutively in defrosting mode 3 5 5 Evaporator Coil Temperature Protection When the evaporator temperature exceeds a preset protection value the compressor ceases operation 3 6 Auto mode This mode...

Страница 149: ...creases 1 C to not lower than 17 C every hour After 2 hours the temperature stops decreasing and the indoor fan is fixed at low speed Anti cold wind function takes priority The operating time for slee...

Страница 150: ...nction is active Once active the remote control will send a signal every 3 minutes with no beeps The unit automatically sets the temperature according to the measurements from the remote control The u...

Страница 151: ...ss the Mode and Fan speed button simultaneously for 2 seconds The remote controls into faceplate setting state and the LCD shows F2 Press the TEMPUP to control the faceplate up and press the TEMP DOWN...

Страница 152: ...tion is activated 13 RESET inner located Once the recessed RESET button is pressed all of the current settings will be cancelled and the controller will return to the initial settings 5 1 2 RG57B2 BGE...

Страница 153: ...uding operating mode setting temperature fan speed level and sleep feature if activated If pushing more than 2 seconds the system will automatically restore the current operation settings including op...

Страница 154: ...electric heater function becomes ineffective Used to restore the system to its default settings Used to start stop the air conditioner Press these two buttons at the same time to switch between Celsi...

Страница 155: ...r unit 5 Core Shield Cable Wire Joint 5p Infrared Pipe Indoor Unit RUN GND 5V Indoor Unit Switch Board Wir e Con troll er Installation Diagram Connect the wire from the display panel of the indoor uni...

Страница 156: ...o seal the wires For exposed mounting cut holes on four of the sides according to the picture below Cut three holes for wire outlet Cut one holes for wire outlet For shielded wiring please refer to th...

Страница 157: ...an setting or call up the menu 11 BACK button Back to previous operation or superior menu 12 COPY button Copy timer setting of one day to another in weekly schedule setting 13 Infrared remote receiver...

Страница 158: ...ation 12 Room temperature indication 13 Clock display 14 On Off timer 15 Timer display 1 Operation mode indication 2 Fan speed indication 3 Left right swing indication 4 Up down swing indication 5 Fac...

Страница 159: ...sert of the mainboard CN40 Wire controller Indoor unit mainboard 4 Core Shield Cable the length is decided by installation Installation Diagram Connect the female joint of wires group from the main bo...

Страница 160: ...wires For exposed mounting four outletting positions There are three need cutting Cutting place of top side wire outlet Cutting place of left side wire outlet Cutting place of right side wire outlet F...

Страница 161: ...nd timer set up or down the auto lifting panel 4 FAN SPEED button Usedtoselect the fan speed 5 Swing Button Press to active vertical swing hold for horizontal swing 6 TIMER button To set timer on and...

Страница 162: ...Lock indication 12 Room temperature indication 13 Clock display 14 On Off timer 15 Timer display 1 Operation mode indication 2 Fan speed indication 3 Left right swing indication 4 Up down swing indica...

Страница 163: ...ontroller connects to main control board directly HA HB HA HB Main control board Wired controller ADSS 01 2 3 4 5 6 7 8 9 A B C D EF For Duct Ceiling floor The wired controller connects to terminal bo...

Страница 164: ...to several units every air conditioner in network has only one network address to distinguish each other c Address code of air conditioner in LAN is set by code switch ENC1 Duct and Ceiling Floor or...

Страница 165: ...ndoor unit there are three methods From the rear From the bottom From the top From the top center PCB PCB PCB PCB HA HB 1 2 HA HB HA HB 2 HA HB 1 2 1 2 3 4 1 Indoor Unit 2 Notch the part for the wirin...

Страница 166: ...ered off The address can be set from 0 to 63 by the switch Turn on the unit then the address will be effective Note For light commercial aire conditioner with XYE port it can be also connected to BMS...

Страница 167: ...tton and FAN button down together for three seconds AF indicator flashes for 3 times Press or to select the AF Press MODE The air conditioning unit will then start the fan for airflow automatic adjust...

Страница 168: ...parameter error Diagnosis and Solution 18 7 2 E1 Indoor and outdoor unit communication error Diagnosis and Solution 19 7 3 E3 F5 Fan speed is operating outside of the normal range Diagnosis and Soluti...

Страница 169: ...ver Voltage or Too Low Voltage Protection Diagnosis and Solution 28 7 10 P4 Inverter Compressor Drive Error Diagnosis and Solution 29 7 11 P6 Low Pressure Protection Diagnosis and Solution 30 7 12 P7...

Страница 170: ...gloves or wrist strap to avoid damage to the board WARNING Electricity remains in capacitors even when the power supply is off Ensure the capacitors are fully discharged before troubleshooting Test th...

Страница 171: ...8 times OFF EE Water level alarm malfunction TS25 1 times ON F0 Current overload protection TS26 2 times ON F1 Outdoor room temperature sensor T4 is in open circuit or has short circuited TS25 3 times...

Страница 172: ...code undefined by the service manual Ensure that this code is not a temperature reading Troubleshooting Test the unit using the remote control If the unit does not respond to the remote the indoor PC...

Страница 173: ...outlet C F Installation Condition Information Indoor temperature C F Indoor humidity RH Outdoor temperature C F Outdoor humidity RH Length of Connecting pipe Pipe diameter Gas pipe Liquid pipe Length...

Страница 174: ...il temperature T4 Ambient temperature TP Discharge temperature FT Targeted Frequency Fr Actual Frequency dl Compressor current Uo Outdoor AC voltage Sn Indoor capacity test Reserve Pr Outdoor fan spee...

Страница 175: ...able shows information codes The screen displays this code for 1 2 seconds then the information for 25 seconds Displayed code Explanation Additional Notes Error code Refer to next list of error code T...

Страница 176: ...perature sensor TP is in open circuit or has short circuited E51 Outdoor unit EEPROM parameter error E7 The outdoor fan speed is operating outside of the normal range P0 IPM malfunction or IGBT over s...

Страница 177: ...91 Evaporator coil temperature over low Protection PF PFC module malfunction L5 Frequency limit caused by voltage L3 Frequency limit caused by current L2 Frequency limit caused by TP L1 Frequency limi...

Страница 178: ...field maintenance No Problem Solution 1 Unit will not start TS13 TS14 2 The power switch is on but fans will not start TS13 TS14 3 The temperature on the display board cannot be set TS13 TS14 4 Unit...

Страница 179: ...TS16 5 Condenser Outdoor fan will not start TS15 TS16 6 Unit runs but shortly stops TS15 TS16 7 Compressor short cycles due to overload TS15 TS16 8 High discharge pressure TS15 TS16 9 Low discharge p...

Страница 180: ...frequently Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold hot Unit runs but shortly stops The...

Страница 181: ...switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold hot Unit runs but shortly stops The unit starts up and stops frequently Unit...

Страница 182: ...Condenser Outdoor fan will not start Unit runs but shortly stops Compressor short cycles due to overload High discharge pressure Low discharge pressure High suction pressure Low suction pressure Unit...

Страница 183: ...art but fans run Compressor and condenser outdoor fan will not start Evaporator indoor fan will not start Condenser Outdoor fan will not start Unit runs but shortly stops Compressor short cycles due t...

Страница 184: ...Sensor x x x x x x x x x T4 Sensor x x x x x x x x x Reactor x x x x x x x x x Compressor x x x x x x x x x Additional refrigerant x x x x x x x x Water level switch x x x x x x x x x Water pump x x x...

Страница 185: ...CB F4 The unit is operating normally NO Remarks EEPROM A read only memory whose contents can be erased and reprogrammed using a pulsed voltage The location of the EEPROM chip on the indoor and outdoor...

Страница 186: ...N YES Is the voltage moving alternately between Positive and negative Check the outdoor wiring connection Is it normal Check the reactor YES Is it normal Replace the outdoor PCB Power on YES Is the e...

Страница 187: ...as positive values and negative values If the outdoor unit has malfunction the voltage has always been the positive value While if the indoor unit has malfunction the voltage has always been a certain...

Страница 188: ...start the unit after 2 minutes Is it within normal parameters Replace the fan motor Does a problem remain The unit is operating normally NO Shut off the power supply Rotate the fan by hand YES Does it...

Страница 189: ...able the PCB must has problems and need to be replaced No Color Signal Voltage 1 Red Vs Vm 200V 380V 2 3 Black GND 0V 4 White Vcc 13 5 16 5V 5 Yellow Vsp 0 6 5V 6 Blue FG 13 5 16 5V 2 Outdoor DC Fan M...

Страница 190: ...epair Check the connection between temperature sensor and PCB Replace indoor PCB E4 E5 or outdoor PCB F1 F2 F3 Is it within acceptable parameters Is it properly wired Ensure proper connections NO Meas...

Страница 191: ...on happens 3 times the display area will show EC and AC will turn off Recommended parts to prepare T2 sensor Indoor PCB Additional refrigerant Troubleshooting and repair Power off then restart the uni...

Страница 192: ...Does a problem remain YES Is the water level switch inserted properly Is the water level switch inserted properly Replace the indoor main PCB Replace the indoor main PCB YES The unit is operating norm...

Страница 193: ...able parameters Are they properly connected Is it in working order Replace the outdoor unit Is it in working order Check system for blockages YES Stop the unit NO Clear the blockage Yes Check the comp...

Страница 194: ...Does an error exist Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it in working order Replace the IPM board or replace the outdoor PCB NO Check the outdoor fan...

Страница 195: ...the unit NO Check the connections and wires YES Are they in working order Ensure proper connections or replace the wires NO Power on and measure the voltage between P and N YES While the unit is in s...

Страница 196: ...e wiring between the PCB and compressor Is it improperly wired Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it functioning properly Replace the IPM board or re...

Страница 197: ...gh pressure valve fully opened Is the valve core of the high pressure valve fully opened Is the indoor fan running properly in cooling mode Is the indoor fan running properly in cooling mode Refer to...

Страница 198: ...e of IPM module is higher than a certain value the LED displays the failure Recommended parts to prepare Outdoor PCB IPM module board Troubleshooting and repair Check the fastening screws on the PCB a...

Страница 199: ...r Unit Disassembly 2 Measure the resistance value of the sensor using a multi meter 3 Check corresponding temperature sensor resistance value table Refer to Chapter 8 Appendix Note The picture and the...

Страница 200: ...Troubleshooting 33 Resistance Value KSN140D21UFZ Blue Red 1 28 Blue Black Red Black Note The picture and the value are only for reference actual condition and specific value may vary...

Страница 201: ...upply 2 Discharge electrolytic capacitors and ensure all energy storage unit has been discharged 3 Disassemble outdoor PCB or disassemble IPM board 4 Measure the resistance value between P and U V W N...

Страница 202: ...Contents 1 Indoor Unit Disassembly 1 1 1 Front Panel and Display Board 2 1 2 Electrical Parts 5 1 3 Fan Motor and Fan 7 1 4 Water Pump 9 1 5 Evaporator 11 Indoor Unit Disassembly Compact Cassette...

Страница 203: ...1 1 Front Panel and Display Board Procedure Illustration 1 Release 2 hooks and open the panel see CJ_MCA_001 2 Remove two screws of wire line see CJ_MCA_002 CJ_MCA_001 CJ_MCA_002 Note This section is...

Страница 204: ...Illustration 3 Release the hook then pull up the filter see CJ_MCA_003 4 Remove 4 screws of cover and remove the display board see CJ_MCA_004 CJ_MCA_003 CJ_MCA_004 Note This section is for reference...

Страница 205: ...Indoor Unit Disassembly 4 Procedure Illustration 5 Remove 2 screws of display board and remove PCB see CJ_MCA_005 CJ_MCA_005 Note This section is for reference only Actual unit appearance may vary...

Страница 206: ...er to 1 1 Front Panel and display before disassembling electrical parts Procedure Illustration 1 Remove 4 screws of the panel and pull up the panel see CJ_ MCA_006 2 Remove 3 screws of electrical cove...

Страница 207: ...see CJ_MCA_008 4 Remove 2 screws of main control board and remove PCB see CJ_ MCA_009 5 Remove 2 screws of electronic control box and remove electronic control box see CJ_MCA_010 CJ_MCA_008 CJ_MCA_00...

Страница 208: ...efer to 1 1 1 2 before disassembling fan motor Procedure Illustration 1 Remove 4 screws of water collector then remove it see CJ_MCA_011 2 Remove the nut of the fan and then pull up the fan see CJ_MCA...

Страница 209: ...Indoor Unit Disassembly 8 Procedure Illustration 3 Remove the nuts and remove the fan motor see CJ_MCA_013 CJ_MCA_013 Note This section is for reference only Actual unit appearance may vary...

Страница 210: ...to 1 1 1 2 1 3 before disassembling water pump Procedure Illustration 1 Take off the fasten belt of the water pump see CJ_MCA_014 2 Pinch the metal wire in the direction shown in the figure to release...

Страница 211: ...Indoor Unit Disassembly 10 Procedure Illustration 3 Remove 3 screws and then remove the water pump see CJ_MCA_016 CJ_MCA_016 Note This section is for reference only Actual unit appearance may vary...

Страница 212: ...1 2 1 3 before disassembling evaporator Procedure Illustration 1 Remove 3 screws of pipe clamp board assembly then remove it see CJ_MCA_017 2 Remove 4 screws of evaporator fixing board then remove it...

Страница 213: ...door Unit Disassembly 12 Procedure Illustration 3 Remove 1 screw of evaporator fixing hook and remove it see CJ_MCA_019 CJ_MCA_019 Note This section is for reference only Actual unit appearance may va...

Страница 214: ...Contents 1 Indoor Unit Disassembly 1 1 1 Electrical Parts 2 1 2 Fan Motor and Fan 5 1 3 Evaporator 7 Indoor Unit Disassembly A6 DUCT...

Страница 215: ...e Illustration 1 Remove 5 screws of the cover of electronic control box and then remove the cover see CJ_A6_001 2 Remove 2 screws of the electronic control box Then release 2 hooks of the main control...

Страница 216: ...and then remove the front main control board see CJ_A6_003 4 Turn over the electronic control box Disconnect the connectors and remove 2 screws of rear main control board see CJ_A6_004 CJ_A6_003 CJ_A...

Страница 217: ...Indoor Unit Disassembly 4 Procedure Illustration 5 Remove 2 screws of reactor and remove the reactor see CJ_A6_005 CJ_A6_005 Note This section is for reference only Actual unit appearance may vary...

Страница 218: ...an Procedure Illustration 1 Remove 10 screws of the top cover and then remove the top cover see CJ_A6_006 2 Release 3 hooks of volute shell see CJ_A6_007 CJ_A6_006 CJ_A6_007 Note This section is for r...

Страница 219: ...Indoor Unit Disassembly 6 Procedure Illustration 3 Remove the fiing screws of fan 2 screws see CJ_A6_008 CJ_A6_008 Note This section is for reference only Actual unit appearance may vary...

Страница 220: ...r collecter and remove the water collecter see CJ_A6_009 2 Remove the screws of the pipe clamp board and the left side board 3 for the pipe clamp and 9 for left side board see CJ_A6_010 CJ_A6_009 CJ_A...

Страница 221: ...ove 2 screws of the evaporator support and then pull up the temperature sensor see CJ_A6_011 4 Remove the screw of the evaporator and then remove it see CJ_A6_012 CJ_A6_011 CJ_A6_012 Note This section...

Страница 222: ...Contents 1 Indoor Unit Disassembly 1 1 1 Front Panel 2 1 2 Electrical Parts 3 1 3 Fan Motor and Fan 4 1 4 Evaporator 7 1 5 Display Board 11 Indoor Unit Disassembly Floor Ceiling...

Страница 223: ...cedure Illustration 1 Remove 2 screws of return air grille subassembly and release 2 hooks see CJ_FC_001 2 Release 2 hooks for each filter and then pull up the filter see CJ_FC_002 CJ_FC_001 CJ_FC_002...

Страница 224: ...before disassembling electrical part Procedure Illustration 1 Remove 4 screws of the cover of electronic control box and then remove the cover see CJ_FC_003 2 Disconnect the connectors and then remov...

Страница 225: ...fore disassembling fan motor and fan Procedure Illustration 1 Remove the fix screw of supporting board see CJ_FC_005 2 Remove the screws of fan motor support and then remove the screw of ground wire s...

Страница 226: ...llustration 3 Remove the two screws of the fan motor shaft see CJ_FC_007 4 Release the hooks of the volute shell and then pull up it see CJ_FC_008 CJ_FC_007 CJ_FC_008 Note This section is for referenc...

Страница 227: ...Indoor Unit Disassembly 6 Procedure Illustration 5 Remove the screws of fan 3 screws see CJ_FC_009 CJ_FC_009 Note This section is for reference only Actual unit appearance may vary...

Страница 228: ...ng evaporator Procedure Illustration 1 Remove the screws of left and right panel and then push it in the direction shown in the figure to move it see CJ_FC_010 2 Remove the screws of the front panel 9...

Страница 229: ...cedure Illustration 3 Remove the 1 screw of the water collector see CJ_FC_012 4 Remove 3 screws of board and then remove it see CJ_FC_013 CJ_FC_012 CJ_FC_013 Note This section is for reference only Ac...

Страница 230: ...y 9 Procedure Illustration 5 Remove the screws of the pipe clamp board see CJ_FC_014 6 Pull up the temperature sensor see CJ_FC_015 CJ_FC_014 CJ_FC_015 Note This section is for reference only Actual u...

Страница 231: ...r support 5 screws see CJ_FC_016 8 Remove the screws of the rear evaporator support then pull out the evaporator 4 screws see CJ_ FC_017 9 Remove 2 screws and Remove step motor see CJ_FC_018 CJ_FC_016...

Страница 232: ...Disassembly 11 1 5 Display Board Procedure Illustration 1 Remove 2 screws of display board and remove the display see CJ_ FC_019 CJ_FC_019 Note This section is for reference only Actual unit appearan...

Страница 233: ...tdoor Unit Table 2 2 Outdoor Unit Disassembly 3 2 1 Panel Plate 3 2 2 Electrical Parts 19 2 3 Fan Assembly 30 2 4 Fan Motor 31 2 5 Sound Blanket 32 2 6 Four way Valve 33 2 7 Compressor 34 Outdoor Unit...

Страница 234: ...Outdoor Unit Disassembly 2 1 Outdoor Unit Disassembly 1 1 Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board U6MRS32 18 B30 PCB Board 4...

Страница 235: ...Remove the screws of the big handle and then remove the big handle 1 screws see CJ_BA30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located und...

Страница 236: ...the front panel and then remove the front panel 7 screws see CJ_BA30_003 5 Remove the screws of water collecting cover 1 screw see CJ_BA30_004 CJ_BA30_003 CJ_BA30_004 Note This section is for referenc...

Страница 237: ...ar net and then remove the rear net 2 screws see CJ_BA30_005 for some models 7 Remove the screws of the right panel and then remove the right panel 6 screws see CJ_BA30_006 CJ_BA30_005 CJ_BA30_006 Not...

Страница 238: ...the big handle and then remove the big handle 1 screws see CJ_B30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located underneath the big handl...

Страница 239: ...then remove the front panel 8 screws see CJ_B30_003 5 Remove the screws of water collecting cover and then remove the water collecting cover 1 screw see CJ_ B30_004 CJ_B30_003 CJ_B30_004 Note This sec...

Страница 240: ...rear net and then remove the rear net 2 screws see CJ_B30_005 for some models 7 Remove the screws of the right panel and then remove the right panel 5 screws see CJ_B30_006 CJ_B30_005 CJ_B30_006 Note...

Страница 241: ...he big handle and then remove the big handle 1 screws see CJ_CA30_001 3 Remove the screws of the top cover and then remove the top cover 3 screws One of the screws is located underneath the big handle...

Страница 242: ...hen remove the front panel 7 screws see CJ_CA30_003 5 Remove the screws of water collecting cover and then remove the water collecting cover 1 screw see CJ_ CA30_004 CJ_CA30_003 CJ_CA30_004 Note This...

Страница 243: ...ar net and then remove the rear net 2 screws see CJ_CA30_005 for some models 7 Remove the screws of the right panel and then remove the right panel 7 screws see CJ_CA30_006 CJ_CA30_005 CJ_CA30_006 Not...

Страница 244: ...the big handle and then remove the big handle 2 screws see CJ_D30_001 3 Remove the screws of the top cover and then remove the top cover 4 screws Two of the screws is located underneath the big handl...

Страница 245: ...t panel and then remove the front right panel 2 screws see CJ_D30_003 5 Remove the screws of the front panel and then remove the front panel 9 screws see CJ_D30_004 CJ_D30_003 CJ_D30_004 Note This sec...

Страница 246: ...over and then remove the water collecting cover 2 screw see CJ_ D30_005 7 Remove the screws of the rear net and then remove the rear net 2 screws see CJ_D30_006 for some models CJ_D30_005 CJ_D30_006 N...

Страница 247: ...mbly 15 Procedure Illustration 8 Remove the screws of the right panel and then remove the right panel 8 screws see CJ_D30_007 CJ_D30_007 Note This section is for reference only Actual unit appearance...

Страница 248: ...screws see CJ_E30_001 3 Remove the screws of the top cover and then remove the top cover 4 screws Two of the screws is located underneath the big handle see CJ_ E30_002 4 Remove the screws of water co...

Страница 249: ...mbly 17 Procedure Illustration 5 Remove the screws of the front right panel and then remove the front right panel 2 screws see CJ_E30_004 CJ_E30_004 Note This section is for reference only Actual unit...

Страница 250: ...ews of the front panel and then remove the front panel 7 screws see CJ_E30_005 2 Remove the screws of the right panel and then remove the right panel 10 screws see CJ_E30_006 CJ_E30_005 CJ_E30_006 Not...

Страница 251: ...black wire connects with terminal 4 see CJ_ODU_ PCB_001 3 Disconnect the wires connected to the compressor Black wire connects with terminal 1 blue wire and red wire connect with the compressor capaci...

Страница 252: ...ith subzero refrigeration control board remove 3 screws of it showed in the figure 9 The subzero refrigeration control board is in the back of the medal sheet CJ_ODU_PCB_001 03 CJ_ODU_PCB_001 04 Note...

Страница 253: ...ODU_010 2 Disconnect the wires connected to terminals see CJ_ODU_010 3 Disconnect the wires connected to contactor see CJ_ODU_010 4 Disconnect the wires connected to T3 T4 sensor see CJ_ODU_010 5 CJ_O...

Страница 254: ...ressure switch see CJ_ ODU_PCB_003 1 3 Disconnect the wires connected to indoor unit see CJ_ODU_PCB_003 1 4 Disconnect the wires connected to AC contactor see CJ_ODU_ PCB_003 1 5 Remove the screws of...

Страница 255: ...e the 1 screw of the AC contactor and then remove it see CJ_ODU_PCB_003 3 7 Remove 2 screws of the transformer and then remove it see CJ_ODU_ PCB_003 4 CJ_ODU_PCB_003 3 CJ_ODU_PCB_0003 4 Note This sec...

Страница 256: ...e connector for the compressor see CJ_ODU_PCB_004 3 5 Pull out the two blue wires connected with the four way valve CJ_ODU_PCB_004 3 6 Pull out connectors of the condenser coil temp sensor T3 outdoor...

Страница 257: ...4 Pull out the two blue wires connected with the four way valve see CJ_ODU_PCB_005 2 5 Pull out connectors of the condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor...

Страница 258: ...ODU_PCB_006 2 4 Pull out the two blue wires connected with the four way valve see CJ_ODU_PCB_006 2 5 Pull out connectors of the condenser coil temp sensor T3 outdoor ambient temp sensor T4 and dischar...

Страница 259: ...d then open the electronic control box cover 5 hooks see CJ_ODU_PCB_007 2 3 Disconnect the connector for fan motor from the IPM board see CJ_ ODU_PCB_007 3 4 Remove the connector for the compressor se...

Страница 260: ...p sensor TP see CJ_ODU_PCB_007 4 7 Disconnect the electronic expansion valve wire see Fig CJ_ODU_PCB_007 4 8 Remove the connector for 4 way valve see Fig CJ_ODU_PCB_007 4 9 Remove the connector for th...

Страница 261: ...ted with the four way valve see CJ_ODU_PCB_008 2 5 Pull out connectors of the condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor TP see CJ_ ODU_PCB_008 2 6 Disconne...

Страница 262: ...refer to 3 1 Panel Plate before disassembling fan Procedure Illustration 1 Remove the nut securing the fan with a spanner see CJ_ODU_ FAN_001 1 2 2 Remove the fan CJ_ODU_FAN_001 1 CJ_ODU_FAN_001 2 Not...

Страница 263: ...or on PCB refer to 3 1 Panel Plate and 3 2 Electrical parts before disassembling fan motor Procedure Illustration 3 Remove the fixing screws of the fan motor 4 screws see CJ_ODU_MOTOR_001 4 Remove the...

Страница 264: ...refer to 3 1 Panel plate before disassembling sound blanket Procedure Illustration 1 Remove the sound blanket side and top see CJ_ODU_BLANKET_001 CJ_ODU_BLANKET_001 Note This section is for reference...

Страница 265: ...the two steps before heating up the brazed parts The operations above should be implemented by professionals Note Remove the panel plate connection of four way valve on PCB refer to 3 1 Panel plate an...

Страница 266: ...eating up the brazed parts The operations above should be implemented by professionals Note Remove the panel plate connection of compressor on PCB refer to 3 1 Panel plate and 3 2 Electrical parts bef...

Страница 267: ...om plate see CJ_ODU_COMP_003 4 Heat up the brazed parts and then remove the the discharge pipe and the suction pipe see CJ_ODU_COMP_004 5 Lift the compressor from the base pan assembly with pliers CJ_...

Страница 268: ...Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 2 ii Temperature Sensor Resistance Value Table for TP for some units C K 3 iii Pressure On Service Port 4 Appendix...

Страница 269: ...1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982...

Страница 270: ...35 78 75 167 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 10...

Страница 271: ...10 3 9 5 10 0 10 6 12 4 13 0 PSI 70 59 21 11 15 93 94 106 116 119 113 117 125 147 154 75 63 23 89 17 22 97 99 115 125 124 120 126 132 155 162 80 67 26 67 19 44 103 104 123 138 135 129 132 140 162 173...

Страница 272: ...20 8 18 5 16 5 65 18 33 32 5 30 0 26 6 25 4 23 3 20 5 19 0 75 23 89 33 8 31 5 27 8 26 3 24 9 21 5 20 0 PSI 55 12 78 439 413 367 330 302 268 239 65 18 33 471 435 386 368 339 297 276 75 23 89 489 457 40...

Страница 273: ...6 3 6 6 7 8 8 1 PSI 70 59 21 11 15 58 59 67 73 74 71 74 78 91 96 75 63 23 89 17 22 61 62 71 78 78 75 78 83 97 102 80 67 26 67 19 44 64 65 77 86 84 81 83 87 102 107 90 73 32 22 22 78 70 71 87 96 93 86...

Страница 274: ...3 13 0 11 6 10 3 65 18 33 20 3 18 8 16 6 15 9 14 6 12 8 11 9 75 23 89 21 1 19 7 17 3 16 4 15 6 13 4 12 5 PSI 55 12 78 274 258 229 207 189 168 149 65 18 33 294 273 241 231 212 186 172 6 75 23 89 306 28...

Страница 275: ...12 6 13 3 PSI 70 59 21 11 15 95 96 108 118 121 115 119 128 150 157 75 63 23 89 17 22 99 101 117 128 126 122 129 135 158 165 80 67 26 67 19 44 105 106 125 141 138 132 135 143 165 176 90 73 32 22 22 78...

Страница 276: ...1 2 18 9 16 8 65 18 33 33 2 30 6 27 1 25 9 23 8 20 9 19 4 75 23 89 34 5 32 1 28 4 26 8 25 4 21 9 20 4 PSI 55 12 78 448 421 374 337 308 273 244 65 18 33 480 444 394 375 346 303 282 75 23 89 499 466 411...

Страница 277: ...656 2200 22 319 55 512 131 922 750 7 5 108 75 13 249 55 848 2250 22 5 326 25 56 527 133 749 800 8 116 15 465 59 837 2300 23 333 5 57 526 135 547 850 8 5 123 25 17 58 63 644 2350 23 5 340 75 58 508 13...

Страница 278: ...11 159 5 10 471 50 848 3350 33 5 485 75 53 935 129 083 1150 11 5 166 75 11 988 53 578 3400 34 493 54 593 130 267 1200 12 174 13 457 56 223 3450 34 5 500 25 55 243 131 437 1250 12 5 181 25 14 879 58 7...

Страница 279: ...1 850 8 5 123 25 1 393 34 507 2600 26 377 41 977 107 559 900 9 130 5 3 209 37 777 2650 26 5 384 25 42 769 108 984 950 9 5 137 75 4 951 40 911 2700 27 391 5 43 55 110 39 1000 10 145 6 624 43 923 2750 2...

Страница 280: ...AIR CONDITIONING SYSTEMS LCAC Scan here to download the latest version of this manual...

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INVENTOR U6MRS32-18, Руководство по обслуживанию

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