Midea ClimaCreator Series Technical & Service Manual Download Page 115

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MCAC-RTT6S-201701

Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz

114

3. Wired Controller: KJR-23B

KJR-23B

3.1 Wired controller specifications

Model

KJR-23B

Power Supply Voltage

AC 24V

Temperature display range

0°C

～

37°C

Temperature control range

7°C

～

35°C

Temperature control accuracy

±0.5°C

Sensor

NTC 1%, B=3950

3.2 Outlook of controller

Summary of Contents for ClimaCreator Series

Page 1: ...o Shunde Foshan Guangdong China Postal code 528311 Tel 86 757 26338346 Fax 86 757 22390205 cac midea com global midea com Note The data in this book may be changed without notice for further improveme...

Page 2: ...Content Part 1 General information 2 Part 2 Performances 5 Part 3 Installations 63 Part 4 Controller 94...

Page 3: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 2 Part 1 General information 1 Product lineup 3 2 External Appearance 3 3 Nomenclature 4...

Page 4: ...Cooling only Side discharge 220V 3Ph 60Hz 10 MRCT 100CWN1 D C Cooling only Side discharge 15 MRCT 150CWN1 D C Cooling only Side discharge 20 MRCT 200CWN1 D C Cooling only Side discharge 25 MRCT 250CW...

Page 5: ...age 220V 3Ph 60Hz 4 3 Nomenclatures M R C T 075 C W N1 D C Product design code Power supply 220V 3Ph 60Hz Refrigerant type R410A Wired controller Cooling only type Nominal cooling capacity 0 1ton 7 5t...

Page 6: ...S 201701 5 Part 2 Performances 1 Features 6 2 Specifications 8 3 Dimensions drawings 16 4 Wiring diagrams 26 5 Performance data 31 6 Electrical data 46 7 Fan performance data 47 8 Refrigerant cycle di...

Page 7: ...as or the areas exposed to acidic substances It should be customized Reliable scroll compressor Famous brand compressor it is more reliable No complex internal suction and discharge valves for quieter...

Page 8: ...t checking system pressure without removing the panel System self diagnostic function Press the Check button in Main PCB board and the LED display of PCB board in unit will display the normal checking...

Page 9: ...of rows 3 4 Fin spacing mm 1 3 1 5 Fin type Hydrophilic aluminum fin Hydrophilic aluminum fin Tube diameter mm 7 7 Tube type Inner grooved copper pipe Inner grooved copper pipe Indoor fan Type Quantit...

Page 10: ...Yes Ambient temperature Cooling C 10 52 10 52 System stage 1 1 Dimensions Net W H D mm 1 475 840 1 130 1 483 1 231 1 138 Packing W H D mm 1 495 870 1 150 1 500 1 255 1 155 Weight Net kg 235 325 Gross...

Page 11: ...Btu h W 7 9 Indoor coil Number of rows 4 4 Fin spacing mm 1 3 1 3 Fin type Hydrophilic aluminum fin Tube diameter mm 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Drive...

Page 12: ...temperature Cooling C 10 52 System stage 2 Dimensions Net W H D mm 1 965 1 230 1 130 Packing W H D mm 1 995 1 255 1 160 Weight Net kg 470 Gross kg 485 Notes 1 Nominal ton only for reference Cooling c...

Page 13: ...0 EER 2 Btu h W 8 0 Indoor coil Number of rows 4 Fin spacing mm 1 3 Fin type Hydrophilic aluminum fin Tube diameter mm 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 2 Driv...

Page 14: ...temperature Cooling C 10 52 System stage 2 Dimensions Net W H D mm 1 670 1 247 2 192 Packing W H D mm 1 695 1 284 2 212 Weight Net kg 670 Gross kg 700 Notes 1 Nominal ton only for reference Cooling c...

Page 15: ...R 2 Btu h W 6 6 Indoor coil Number of rows 4 Fin spacing mm 1 6 Fin type Hydrophilic aluminum fin Tube diameter mm 8 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 2 Drive ty...

Page 16: ...mperature Cooling C 10 52 System stage 2 Dimensions Net W H D mm 2 320 1 245 2 220 Packing W H D mm 2 330 1 275 2 230 Weight Net kg 895 Gross kg 925 Notes 1 Nominal ton only for reference Cooling capa...

Page 17: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 16 3 Dimensions drawings MRCT 075CWN1 D C Unit mm...

Page 18: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 17...

Page 19: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 18 MRCT 100CWN1 D C Unit mm...

Page 20: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 19...

Page 21: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 20 MRCT 150CWN1 D C Unit mm...

Page 22: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 21...

Page 23: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 22 MRCT 200CWN1 D C Unit mm...

Page 24: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 23...

Page 25: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 24 MRCT 250CWN1 D C Unit mm...

Page 26: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 25...

Page 27: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 26 4 Wiring diagrams MRCT 075CWN1 D C...

Page 28: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 27 MRCT 100CWN1 D C...

Page 29: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 28 MRCT 150CWN1 D C...

Page 30: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 29 MRCT 200CWN1 D C...

Page 31: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 30 MRCT 250CWN1 D C...

Page 32: ...2 51 3 7386 9 93 5 31 1 9600 3 26 7 82 8 67 7 7333 6 94 9 68 6 7070 5 101 8 61 0 8974 1 77 7 73 7 8090 4 89 0 66 6 7800 2 95 5 46 2 9900 3 29 4 84 7 69 7 7621 8 97 8 77 2 7552 3 103 9 68 2 9526 4 79 4...

Page 33: ...0 40 8 8364 8 75 2 24 2 9551 2 26 7 68 1 63 8 8206 6 79 3 61 1 8200 2 86 2 42 5 9886 5 58 4 53 9 8322 7 69 6 55 5 8600 1 76 9 38 8 9872 8 29 4 69 6 66 7 8494 0 81 4 74 5 8716 0 88 0 56 2 10527 2 59 8...

Page 34: ...36 8 8802 6 68 4 21 6 10887 6 26 7 58 0 53 1 8628 8 69 1 54 7 8700 0 76 4 38 1 10398 3 53 1 48 9 9269 9 63 2 50 4 9137 7 70 0 35 0 11327 6 29 4 59 3 56 2 8943 2 70 6 66 2 9185 1 78 1 52 3 11073 4 54 2...

Page 35: ...0366 2 125 5 45 0 11087 6 26 7 112 0 97 6 9945 0 124 8 90 9 11049 5 129 4 63 8 11446 4 103 8 93 5 9332 4 120 0 88 7 10700 2 128 2 64 3 11437 8 29 4 114 4 99 7 10302 2 127 4 107 11423 9 132 1 78 6 1182...

Page 36: ...2 12320 1 115 9 38 9 13813 5 26 7 95 3 89 3 10635 3 111 4 85 3 12024 5 125 2 62 1 13215 2 84 9 83 2 11264 6 100 2 80 1 12500 0 118 5 58 2 14163 7 29 4 97 3 91 2 10975 2 113 8 105 12398 9 127 8 80 0 1...

Page 37: ...13354 0 105 1 35 1 14581 5 26 7 82 7 81 0 11385 4 98 0 78 3 12700 0 116 3 56 0 14284 5 76 9 75 3 12291 4 90 8 72 5 13490 7 107 4 52 6 14923 0 29 4 84 6 82 8 11881 4 100 6 97 3 13261 9 118 8 74 9 1483...

Page 38: ...15920 9 190 1 70 4 16720 9 26 7 171 6 166 15771 7 190 0 133 16118 2 198 5 99 0 16618 2 162 0 157 16098 1 180 0 129 16201 0 192 2 96 3 17001 0 29 4 179 1 174 16452 1 191 2 157 16748 6 202 3 120 17248 6...

Page 39: ...2 90 5 18371 2 165 6 50 7 19051 2 26 7 151 3 145 17290 9 168 5 124 17594 2 189 4 92 3 18094 2 128 8 123 17846 7 146 0 107 18501 3 168 1 77 1 19181 3 29 4 163 7 157 17521 3 173 5 150 18087 0 190 8 116...

Page 40: ...83 1 18905 8 155 3 44 8 19405 8 26 7 122 4 117 17918 5 142 0 103 18700 0 161 7 70 7 19191 0 119 9 116 18001 4 136 5 99 2 19035 9 157 8 70 2 19535 9 29 4 134 8 129 18659 0 144 4 128 19558 8 163 0 94 2...

Page 41: ...20741 4 252 1 79 8 26956 5 26 7 223 4 173 20591 8 255 8 176 19853 0 274 5 156 25198 3 209 6 189 22717 0 240 0 171 21901 9 257 5 118 27798 8 29 4 228 3 178 21401 1 263 8 198 21205 8 280 3 175 26748 9 2...

Page 42: ...0 110 24514 2 216 7 65 0 27991 0 26 7 189 0 167 23553 9 220 2 160 23552 9 239 5 111 28366 2 168 4 145 24390 8 200 4 149 25203 8 221 4 104 28933 5 29 4 193 2 175 24376 8 226 2 195 25032 1 244 7 147 30...

Page 43: ...0 99 1 25797 2 197 1 58 1 31907 6 26 7 167 3 144 25291 3 199 3 148 25500 0 220 3 103 30477 9 152 9 132 27166 8 182 2 136 26779 1 201 5 94 2 33197 1 29 4 171 1 152 26212 9 203 6 179 26921 8 225 2 142 3...

Page 44: ...72 2 320 0 200 29592 9 32 2 291 3 263 25822 5 320 0 311 26322 5 329 8 256 26927 1 270 4 253 25516 6 301 5 300 27799 9 326 6 252 29726 2 10 000 23 9 280 7 262 25712 7 303 7 187 26212 7 310 9 112 26829...

Page 45: ...46 37247 0 294 8 178 42165 6 32 2 248 9 242 30054 0 288 9 284 32587 3 320 0 249 36016 2 219 0 211 34591 4 256 2 251 37374 7 301 0 235 42306 3 10 000 23 9 238 9 223 29937 9 275 9 175 32487 5 302 4 104...

Page 46: ...9 39234 4 263 4 157 44563 7 32 2 216 3 208 35187 6 253 5 248 37970 9 298 3 233 43046 4 194 5 187 36578 8 228 3 224 39362 1 269 1 209 44702 1 10 000 23 9 210 5 205 35071 5 243 7 157 37871 1 281 7 89 0...

Page 47: ...2 3 66 7 83 2 240 30 9 11 0 1 7 30 2 07 1 5 16 1 58 1 MRCT 150CWN1 D C 138 3 190 3 232 7 240 155 30 9 16 3 5 5 11 0 2 11 40 3 37 1 5 28 1 64 1 MRCT 200CWN1 D C 111 3 145 0 173 1 240 2 30 9 2 11 0 2 2...

Page 48: ...ower input W 1 202 1 082 919 Air flow CFM 2 706 2 520 2 065 100Pa Fan speed rpm 1 127 1 051 984 Power input W 1 159 1 042 896 Air flow CFM 2 608 2 452 2 046 150Pa Fan speed rpm 1 173 1 110 1 053 Power...

Page 49: ...915W The No of turns 1 0N To increase the ESP External Static Pressure to 0 4in w g 100Pa but maintain the airflow rate at 4183CFM please follow the steps below Step 1 Selection of new desired point F...

Page 50: ...ns Then make 0 5 turns on the pulley Cross check the dimension X and it stands for regulation space of motor pulley In this case X 1 5mm Video for Variable Speed Pulley Operating Guidelines Click for...

Page 51: ...1 800 1 730 1 660 1 590 1 520 Air flow CFM 4 480 4 305 4 129 4 052 3 974 3 905 3 835 3 771 3 707 125 Fan speed rpm 999 989 989 987 985 980 975 980 940 Power input W 2 412 1 980 1 960 1 833 1 705 1 63...

Page 52: ...er input W 4 870 4 810 4 750 4 495 4 240 4 088 3 935 3 745 3 555 Air flow CFM 7 622 7 529 7 436 7 313 7 191 7 048 6 904 6 790 6 675 100 Fan speed rpm 1 035 1 028 1 021 1 008 995 988 982 971 959 Power...

Page 53: ...3 728 3 600 3 455 3 310 3 180 3 050 2 928 2 805 Air flow CFM 6 194 6 108 6 022 5 879 5 736 5 600 5 464 5 269 5 075 250 Fan speed rpm 1 097 1 089 1 082 1 072 1 061 1 053 1 044 1 038 1 033 Power input...

Page 54: ...9 829 9 705 75 Fan speed rpm 1 214 1 197 1 184 1 171 1 157 1 143 1 130 1 116 1 102 1 085 Power input W 6 738 6 390 6 180 5 970 5 754 5 539 5 328 5 118 5 069 4 748 Air flow CFM 10 628 10 540 10 453 10...

Page 55: ...871 5 696 5 451 5 160 4 923 4 686 4 461 4 237 4 049 3 861 3 624 3 433 Air flow CFM 9 505 9 301 9 183 9 019 8 877 8 693 8 508 8 291 8 074 7 871 7 669 7 387 7 138 250 Fan speed rpm 1 265 1 251 1 237 1 2...

Page 56: ...5 3 3 5 4 4 5 5 5 5 6 6 5 350 Fan speed rpm 1 276 1 262 1 248 1 235 Power input W 4 546 4 243 3 842 3 731 Air flow CFM 7 459 6 935 6 339 6 285 375 Fan speed rpm 1 280 1 267 Power input W 3 982 3 457 A...

Page 57: ...speed rpm 1 230 1 225 1 220 1 217 1 188 1 184 1 180 Power input W 8 379 8 203 7 854 6 452 6 339 6 318 6 297 Air flow CFM 12 654 12 423 12 048 11 460 11 237 11 132 11 028 225 Fan speed rpm 1 215 1 210...

Page 58: ...1 188 1 178 Power input W 8 629 7 946 7 715 7 484 7 253 6 250 6 380 5 979 5 934 Air flow CFM 11 462 11 818 11 374 10 931 10 487 10 034 9 605 9 356 9 025 375 Fan speed rpm 1 215 1 211 1 210 1 209 1 205...

Page 59: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 58 8 Refrigerant cycle diagram MRCT 075CWN1 D C MRCT 100CWN1 D C MRCT 150CWN1 D C MRCT 200CWN1 D C...

Page 60: ...60Hz MCAC RTT6S 201701 59 MRCT 250CWN1 D C 9 Operation limits Outdoor temperature Indoor temperature Cooling only mode 10 C 52 C 17 C 31 C Room relative humidity should be less than 80 If the unit op...

Page 61: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 60 10 Noise Criteria NC Curves MRCT 075CWN1 D C MRCT 100CWN1 D C...

Page 62: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 61 MRCT 150CWN1 D C MRCT 200CWN1 D C...

Page 63: ...201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 62 MRCT 250CWN1 D C 11 Accessories Item Quantity Shape User manual 1 Drain outlet 1 Snap ring 1 Drain pipe 1 Wired control...

Page 64: ...1 63 Part 3 Installations 1 General information 64 2 Recommendations 65 3 Lifting 66 4 Installation 67 5 Condensate drainage 68 6 Duct work 69 7 Electrical wiring 69 8 Start up 72 9 Safety control 73...

Page 65: ...ert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury Never use a flammable spray such as hair spray lacquer or paint near the unit...

Page 66: ...damage to equipment Unit must be mounted level for proper drainage of water through the holes in the base pan Unit must not be exposed to direct roof water run off Flexible duct connectors must be of...

Page 67: ...be reviewed 3 Lifting Rigging cables should have adequate capability to resist 3 times weight of unit Before lift please check and ensure that hooks are holding tightly to unit and lifting angles are...

Page 68: ...ame or roof curb Insulate any ductwork outside of the structure with at least 2 inches of insulation and then weatherproof There must be a weatherproof seal where the duct enters the structure Complet...

Page 69: ...any ductwork outside of the structure with at least 2 inches of insulation and weatherproof There must be a weatherproof seal where the duct enters the structure Complete the installation 5 Condensate...

Page 70: ...between the solid ducts At least 1m flame resistant layer must be laid at the end of air duct internal surface 7 Electrical wiring 7 1 Warning An all pole disconnection switch having a contact separa...

Page 71: ...ld be determined according to the following table because the 24V power source is applied to the control circuit Wiring length between wired controller and unit One way Min wire size mm2 10m 15m 20m 3...

Page 72: ...ontroller wiring diagram Standard wired controller MRCT 100CWN1 D C MRCT 150CWN1 D C MRCT 200CWN1 D C MRCT 250CWN1 D C The standard wired controller model of these units is KJR 12B dp T E When KJR 12B...

Page 73: ...manual of the thermostat After connection set SW3 in 1 Finally shut off the power supply and then repower 8 Start up Before starting unit Is the unit properly located and level with the proper cleara...

Page 74: ...essor start up At the beginning of energizing 3 minutes delay should be taken to start the compressor While after the stop of the compressor 7 minutes delay should be taken to restart the compressor C...

Page 75: ...of system B s compressor is active 3 times within 1 hour E4 Unit shall be power off to recovery Error Evaporator pipe temperature sensor T2 in system A error E5 Error Evaporator pipe temperature sens...

Page 76: ...reezing protection of evaporator in system A Pc Protection Anti freezing protection of evaporator in system B Pd Protection Protection of outdoor ambient temperature PA Notes If same protection which...

Page 77: ...D1 LED2 LED3 Red Yellow Green Low temperature protection of evaporator OFF FLASH OFF High temperature protection of condenser FLASH OFF OFF Wired controller communication error FLASH FLASH ON Low pres...

Page 78: ...Package 220V 3Ph 60Hz MCAC RTT6S 201701 77 Evaporator pipe temperature sensor T2 error Condenser pipe temperature sensor T3 error Ambient temperature sensor T4 error Indoor side room temperature senso...

Page 79: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 78 High pressure protection High discharge temperature protection Wired controller communication error...

Page 80: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 79 Low pressure protection Eeprom error...

Page 81: ...MCAC RTT6S 201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 80 Over current protection of indoor side fan motor Comprehensive protection of outdoor side fan motor...

Page 82: ...R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 81 High temperature protection of condenser Low temperature protection of evaporator Anti freezing protection of evap...

Page 83: ...l in place Reinstall the access panel after performing any maintenance Operating the unit without the access panel may result in severe personal injury Disconnect the power supply before cleaning and...

Page 84: ...by belt tension indicator Calculate the deflection deflection L A 64 Notes L A 64 Model A mm MRCT 100CWN1 D C 380 MRCT 150CWN1 D C 560 MRCT 200CWN1 D C 580 MRCT 250CWN1 D C 480 Measure the belt deflec...

Page 85: ...e soft brush and mild detergent to clean The air in side should face up when using vacuum cleaner The air in side should face down when using water After cleaning please dry out in cool place Do not d...

Page 86: ...system components Economizer gaskets Reserved Safety controls Electrical components and wiring For possible replacement and connection tightness Condenser drainage For cleaning Unit duct connections...

Page 87: ...26 697 26 172 0 37 0 39 6 25 831 25 339 24 853 0 36 0 38 7 24 513 24 058 23 609 0 36 0 37 8 23 270 22 850 22 435 0 35 0 36 9 22 097 21 710 21 327 0 34 0 36 10 20 991 20 633 20 279 0 33 0 35 11 19 947...

Page 88: ...7250 7 6279 7 5312 0 28 0 29 32 7 3947 7 2985 7 2028 0 29 0 31 33 7 0805 6 9853 6 8906 0 30 0 32 34 6 7814 6 6873 6 5939 0 32 0 33 35 6 4968 6 4038 6 3116 0 33 0 34 36 6 2257 6 1340 6 0431 0 34 0 35 3...

Page 89: ...0 0 57 0 59 55 2 9090 2 8442 2 7806 0 58 0 60 56 2 8017 2 7382 2 6760 0 60 0 61 57 2 6990 2 6369 2 5759 0 61 0 63 58 2 6006 2 5398 2 4802 0 63 0 64 59 2 5064 2 4469 2 3886 0 64 0 66 60 2 4162 2 3580 2...

Page 90: ...C EHK BOX B EHK 40B D 40 105 131 3 150 Notes 1 EHK Electrical heater kits includes controlling box and EH Electrical heater duct It is independently packaged and should be fixed with rooftop package u...

Page 91: ...3Ph 60Hz 90 3 Assemble Step 1 Assembly the electrical heater duct to the supply opening by 10 pieces of screws Step 2 Place the controlling box into the buckle of the electrical heater duct Step 3 As...

Page 92: ...eries Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 91 Step 4 Wiring Electric diagram 15kW 20kW EHK Code Title F1 F6 Thermal cut off R1 R6 Electrically heated pipe KM1 KM2 Contactor K1 Temperature p...

Page 93: ...ropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 92 Electric diagram 30kW 40kW EHK Code Title F1 F12 Thermal cut off R1 R12 Electrically heated pipe KM1 KM4 Contactor K1 K2 Temperature protec...

Page 94: ...und First one line connect to PCB of the unit When unpack the packing of the controlling box the bundle of signal line also can be found The other line is connected to contactor of the rooftop package...

Page 95: ...410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 94 Part 4 Controller 1 Wired controller KJR 12B 95 2 Wired Controller KJR 25B 104 3 Wired Controller KJR 23B 114 4 Centralized Controlle...

Page 96: ...roller KJR 12B KJR 12B dP T E 1 1 Wired controller specifications Model KJR 12B dP T E Power supply 5 0V DC Operation temperature 15 C 43 C Operation humidity 40 90 RH 1 2 Introduction of indicators f...

Page 97: ...with setting temperature The space of wired controller will be same as the setting temperature It is available under cooling heating and auto mode 4 ON OFF indication When it is on the icon will be di...

Page 98: ...he following sequence But for the cooling only model the heating mode is skipped 2 TIMER ON button Press this button timer on function is active Then every press the time will increase 0 5h after 10 h...

Page 99: ...or is on the wired controller enters into on state and send setting information to main PCB board When in on state press this button the indicator is off and send instruction If timer on or timer off...

Page 100: ...t temperature as requirement generally it is among from 17 C to 30 C Step 3 Press ON OFF button operation lamp is on the unit can be worked in auto mode and indoor side fan speed is auto and cannot be...

Page 101: ...Press TIMER ON button repeatedly to adjust time setting Step 3 If press this button and hold on the time will increase at 0 5h after 10 hours it increase at 1 hour Step 4 After setting 0 5 second the...

Page 102: ...ace with oil steam or sulphur gas or else deform or malfunction may occur Wires must be suitable for the current of the wired controller Otherwise electricity leakage or heating may be caused which ma...

Page 103: ...shield cable 1 RVVP 05mm2 5 The longest wire is 30m Switch box 1 Wiring tube 1 Insulating sleeve and tightening screw Wiring principle When it is necessary to use the wired controller please follow t...

Page 104: ...d controller cover it is sure that there is a hole in the wall to avoid the wired controller back cover being fixed directly to the wall which is not allowed for the wire joint extrudes out of the bac...

Page 105: ...Supply Voltage AC 24V Temperature display range 0 C 37 C Temperature control range 7 C 35 C Temperature control accuracy 0 5 C Sensor NTC 1 B 3950 2 2 Introduction of button TIME Be used to entering t...

Page 106: ...elections in the time program and span functions Fan switch It is used to select automatic or continuous fan operation It should normally be located in the AUTO position The fan will be turned on alon...

Page 107: ...tton BLIT on On Backlight on Off Backlight off Backlight button SP2 2 1 Span Two Stage 1 2 Span Two Stage 2 3 Span Two Stage 3 Backlight button TEMP F F Selects temperature display F C Selects tempera...

Page 108: ...stage configuration EMER mode is useless 2 Fast or Slow Cycle Selection one stage 3 Select Backlight function OFF or ON 4 Fast or Slow Cycle Selection two stages 5 Select F or C Readout Changes the d...

Page 109: ...ation Only for heat pump unit Step 1 Move SYSTEM switch to heat mode If the auxiliary heating system has a standing pilot be sure to light it Step 2 Press to adjust the wired controller setting to 1 C...

Page 110: ...top operating 5 Day and time setting The LCD will show this following figure information when batteries are first installed The temperature will update after a few seconds During time and day setting...

Page 111: ...urrent room temperature 7 Energy monitor The energy monitor feature measures and stores the amount of time the heating and air conditioning system operates Press ENER key and the usage can be display...

Page 112: ...hanging or clearing filter regularly is necessary When the total system run time for heat and cool reaches 500 hours the filter is needed to clean or change and the FILT will continue to flash until t...

Page 113: ...ution This controller cannot connect with 110 220 and 380V power To prevent electrical shock and or unit damage disconnect electric power to unit at main fuse or circuit breaker box until installation...

Page 114: ...er to the part of wired controller initial parameter setting Step 3 Place base over hole in wall and mark the locations of mounting hole on wall using base as a template Step 4 Move base out of the wa...

Page 115: ...V 3Ph 60Hz 114 3 Wired Controller KJR 23B KJR 23B 3 1 Wired controller specifications Model KJR 23B Power Supply Voltage AC 24V Temperature display range 0 C 37 C Temperature control range 7 C 35 C Te...

Page 116: ...to the off position to prevent the possibility of a rapid system on off 3 fan switch The fan switch should normally be located in the auto position The indoor side fan will be turned on along with nor...

Page 117: ...If the total systems run time for heat and cool reaches 400 hours the filter change indicator will flash as a reminder to check your system s filter After changing or cleaning the system filter press...

Page 118: ...uminated for 5 seconds after the last key is pressed This allows the light to stay on if you need to operate several keys Notes If the controller is in low battery warning condition the backlight will...

Page 119: ...the terminals Use the terminals that match your system The number of wires in your system can be as few as two for heat only systems as many as eight or any number in between If you follow the labeli...

Page 120: ...Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 119 Notes Do not connect a Common wire Sometimes labeled C to any terminal on this controller Tape up the wire and do not use This wire provides...

Page 121: ...ith wall Reposition wall plate to wall pulling wires through large opening Insert mounting screws provided into wall anchor and tighten Match and connect the labeled wires to the appropriate coded ter...

Page 122: ...size alkaline battery observing the polarity marked inside the battery compartment Switch on the main power at the panel or furnace 4 Centralized Controller MD CCM03 A Optional Notes For some model t...

Page 123: ...issue the remote controller lock command When the remote controller of the air conditioner is locked the air conditioner does not receive remote control signals from the remote controller or wired co...

Page 124: ...n status of the air conditioner By default the first in service air conditioner will be queried Through the ADD and REDUCE keys the parameter page can be changed to be queried Through the and keys the...

Page 125: ...n the query mode every time when pressing the key the operation status data of the last air conditioner will be displayed If it is currently on the last machine press it again and the data of the firs...

Page 126: ...efault it is single machine setting and the first in service air conditioner is displayed 12 FAN In setting operation mode press this key to set the fan of the indoor unit of the air conditioner to ru...

Page 127: ...efault startup mode is cooling high speed fan air set temperature 24 C swing function enabled The default startup mode is locked according to the system mode or judged according to other constraint co...

Page 128: ...trol and data query for the network air conditioner Each centralized controller can communicate with a maximum of 64 air conditioners to make up an air conditioner LAN and implement centralized monito...

Page 129: ...ond later the system enters the normal display status The centralized controller is in the main page display status and displays the first page and searches the in service air conditioners in the netw...

Page 130: ...the centralized controller is memorized after power failure of the centralized controller and will not vanish after the power supply is restored unless the command of unlocking is received Mode lockin...

Page 131: ...is displayed in graphics Otherwise no data is displayed In normal operation of the centralized controller the periodical cycle module communicates with the network interface module and the data is di...

Page 132: ...fault code or protection the corresponding fault code or protection code can be displayed Liquid crystal matrix display description The liquid crystal matrix is composed of 4 16 grids and each grid i...

Page 133: ...om 09 48 to 12 48 are not luminous It indicates the four air conditioners with the address from 57 to 60 are outside the network All other big and small dots in the matrix are luminous It indicates al...

Page 134: ...e mode of the air conditioner with the address 08 is cooling high speed air supply swing on indoor temperature 28 C setting temperature 22 C and cooling In the matrix only the big black dots from 08 0...

Page 135: ...3 T2A sensor fault E2 T1 sensor fault E1 Communication fault E0 Phase order error or phase loss Protection code table Fault code Fault content PF Other protection P8 Over current of compressor P6 Disc...

Page 136: ...lighter Ready indicator When the module and controller is connected rightly the lighter will be on otherwise it will be off If the unit is in the status of locking remote controller and locking mode t...

Page 137: ...wire which is as the attachment of the module Fix the network interface module on the wall near the indoor unit And set the different address of the indoor unit 2 The installation of centralized cont...

Page 138: ...Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz MCAC RTT6S 201701 137 3 The wire connection...

Page 139: ...1701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz 138 4 System wiring instruction Wiring diagram of building network air conditioning system Wiring diagram with good communic...

Page 140: ...effect not recommended because it may lead to poor communication System wiring diagram of centralized monitoring and indoor unit of air conditioner Both of the following wiring modes of centralized m...

Page 141: ...o Shunde Foshan Guangdong China Postal code 528311 Tel 86 757 26338346 Fax 86 757 22390205 cac midea com global midea com Note The data in this book may be changed without notice for further improveme...

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