background image

Summary of Contents for OTEC ICHQ Series

Page 1: ......

Page 2: ...al Information 1 1 Summary 1 Removal Procedure 1 Removal Procedure of Indoor Unit 2 Removal Procedure of Outdoor Unit Troubleshooting 1 Flashing LED of Indoor Outdoor Unit and Primary Judgement 2 Procedure of Troubleshooting 3 Troubleshooting for Normal Malfunction ...

Page 3: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit Outdoor Unit Remote Controller ...

Page 4: ...35 Installation and Maintenance Service Manual Troubleshooting 1 Flashing LED of Indoor Outdoor Unit and Primary Judgement ...

Page 5: ...36 Installation and Maintenance Service Manual ...

Page 6: ...37 Installation and Maintenance Service Manual ...

Page 7: ...38 Installation and Maintenance Service Manual ...

Page 8: ...39 Installation and Maintenance Service Manual ...

Page 9: ...tion for evaporator E2 Not the error code It s the status code for the operation 50 Cold air prevention protection E9 Not the error code It s the status code for the operation 51 Refrigerant recovery mode Fo Refrigerant recovery The Serviceman operates it for maintenance ...

Page 10: ...en indoor unit and detection 53 Defrosting Heating indicator off for 0 5s and then blinks for 10s Not the error code It s the status code for the operation 54 outdoor unit error oE Cool compressor and outdoor fan stops operation while indoor compressor outdoor fan and indoor fan stop operation 1 Outdoor ambient temperature exceeds the operation range of unit eg less than 20oC or more than 2 Failur...

Page 11: ...on the controller and if damage of lead wire is found 5 Compressor over load protection 6 System malfun ction Overload protection When tube temperature Check the temperature of outdoor heat exchanger when cooling and check the temperature of indoor heat exchanger when heating is too high protection will beactivated Please refer to the malfunction analysis in the previous section for handling metho...

Page 12: ...the temperature sensor and the controller Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there short circuit due to trip over of the parts Is the temperature sensor normal Replace the mainboard with t...

Page 13: ...44 Installation and Maintenance Service Manual 2 Malfunction of Blocked Protection of IDU Fan Motor H6 ...

Page 14: ...tart Is the jumper cap inserted correctly Replace the jumper cap with the same model Appearance of the jumper cap Assemble the jumper cap with the same model Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainboard with the same model End Yes Yes Yes Yes Yes No No No No No ...

Page 15: ...46 Installation and Maintenance Service Manual 4 Malfunction of detecting plate WIFI JF ...

Page 16: ...47 Installation and Maintenance Service Manual 5 Communication malfunction E6 ...

Page 17: ...48 Installation and Maintenance Service Manual Outdoot Unit ...

Page 18: ...49 Installation and Maintenance Service Manual 2 IPM protection phase current overcurrent the control board as below indicates the control board of outdoor unit H5 P5 ...

Page 19: ...50 Installation and Maintenance Service Manual ...

Page 20: ...51 Installation and Maintenance Service Manual ...

Page 21: ...52 Installation and Maintenance Service Manual ...

Page 22: ...53 Installation and Maintenance Service Manual ...

Page 23: ...54 Installation and Maintenance Service Manual ...

Page 24: ...55 Installation and Maintenance Service Manual ...

Page 25: ...56 Installation and Maintenance Service Manual 9 High pressure Protection ...

Page 26: ... point 5 of maintenance method for details 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug After energization operation indicator isnt bright and the buzzer Can t give...

Page 27: ...in pipe is broken Water leaking from drain pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires acc...

Page 28: ...63 Installation and Maintenance Service Manual Removal Procedure Caution discharge the refrigerant completely before removal 1 Removal Procedure of Indoor Unit ...

Page 29: ...64 Installation and Maintenance Service Manual ...

Page 30: ...65 Installation and Maintenance Service Manual ...

Page 31: ...66 Installation and Maintenance Service Manual ...

Page 32: ...67 Installation and Maintenance Service Manual ...

Page 33: ...68 Installation and Maintenance Service Manual ...

Page 34: ...69 Installation and Maintenance Service Manual ...

Page 35: ...70 Installation and Maintenance Service Manual ...

Page 36: ...71 Installation and Maintenance Service Manual ...

Page 37: ...72 Installation and Maintenance Service Manual 2 Removal Procedure of Outdoor Unit ...

Page 38: ...73 Installation and Maintenance Service Manual ...

Page 39: ...74 Installation and Maintenance Service Manual ...

Page 40: ...75 Installation and Maintenance Service Manual ...

Page 41: ...76 Installation and Maintenance Service Manual ...

Page 42: ... 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 8 36 52 53 51 8 11 75 76 75 2 24 99 98 6 37 54 53 6 12 77 78 77 25 Fahrenheit di...

Page 43: ...e main cause of refrigerant leakage Please expand the pipe according to the following steps A Cut the pip B Remove the burrs C Put on suitable insulating pipe D Put on the union nut the union nut on the pipe E Expand the port Outer diameter mm A mm Max Min 1 3 0 7 1 6 1 0 1 8 1 0 2 4 2 2 Appendix 3 Pipe Expanding Method Note Note ...

Page 44: ... 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38 15 44 6 791 83 1 699 122 0 547 6...

Page 45: ... 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42 45 8 705 84 2 194 123 0 71 ...

Page 46: ...9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 112 2 37 4 198 3 35 32 09 74 7 47 113...

Page 47: ......

Reviews: