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Kentatsu KRFN1050CFAN3, Руководство по обслуживанию

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Rooftop KRFN   

 

Kentatsu 

Installation   

 

123 

 

Notes: L=A/64 

 

Model 

A (mm) 

KRFN300CFAN3 

380 

KRFN350CFAN3 

380 

KRFN440CFAN3 

560 

KRFN530CFAN3 

560 

KRFN600CFAN3 

580 

KRFN700CFAN3 

580 

KRFN880CFAN3 

480 

KRFN1050CFAN3 

480 

 

  Measure the belt deflection force, the force should be between the values shown in the 

following lists. 

  The belt which is too tight or too loose may generate noise and be harmful to the unit. 

 

Belt section 

For required to deflection 

Small pulley diameter 

Newton 

Kilogram-force 

SPA 

80mm~132mm 

25N~35N 

2.5kg.f~3.6kg.f 

 

Air intake filter clean (The filter should be customized). 

Step 1: 

Dismantle the air filter. 

  Twist of screws and get out the plate. 

Содержание KRFN1050CFAN3

Страница 1: ...Kentatsu Denki Co Ltd 2016 Servicemanual Rooftop KRFN220CFAN3 KRFN260CFAN3 KRFN300CFAN3 KRFN350CFAN3 KRFN530CFAN3 KRFN600CFAN3 KRFN700CFAN3 KRFN880CFAN3 KRFN1050CFAN3 DK16 01 01 34 KRFN440CFAN3...

Страница 2: ...formation Content Part 1 General information 3 Part 2 Performances 6 Part 3 Installations 100 Kentatsu reserves the right to discontinue or change specification or designs at any time without notices...

Страница 3: ...Rooftop KRFN Kentatsu General Information 3 Part 1 General information 1 Product lineup 4 2 Nomenclature 5...

Страница 4: ...AN3 Cooling only Side discharge 10 KRFN350CFAN3 Cooling only Side discharge 12 5 KRFN440CFAN3 Cooling only Side discharge 15 KRFN530CFAN3 Cooling only Side discharge 17 5 KRFN600CFAN3 Cooling only Sid...

Страница 5: ...Rooftop KRFN Kentatsu General Information 5 2 Nomenclatures K R F N 220 C F A N3 N1 220 240 50 1 N3 380 50 3 A R410A D R22 F on off Z C H 10 F G H K 100 L 50 T 100 V Y Z 600 600 U R KENTATSU...

Страница 6: ...ormance Part 2 Performances 1 Features 7 2 Specifications 9 3 Dimensions drawings 27 4 Wiring diagrams 38 5 Performance data 46 6 Electrical data 76 7 Fan performance data 77 8 Refrigerant cycle diagr...

Страница 7: ...cidic substances It should be customized Reliable scroll compressor Famous brand compressor it is more reliable No complex internal suction and discharge valves for quieter operation and higher reliab...

Страница 8: ...ast 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 checki...

Страница 9: ...ophilic aluminum fin Hydrophilic aluminum fin Tube diameter mm 7 7 Tube type Inner grooved copper pipe Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Centrifugal 1 Drive type Direct...

Страница 10: ...bient temperature Cooling C 10 52 10 52 System stage 1 1 Dimensions Net W H D mm 1 475 840 1 130 1 475 840 1 130 Packing W H D mm 1 495 870 1 150 1 495 870 1 150 Weight Net kg 223 231 Gross kg 228 236...

Страница 11: ...mber of rows 4 Fin spacing mm 1 5 Fin type Hydrophilic aluminum fin Tube diameter mm 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Drive type Belt Motor quantity 1 Motor...

Страница 12: ...10 52 System stage 2 Dimensions Net W H D mm 1 483 1 231 1 138 Packing W H D mm 1 500 1 255 1 155 Weight Net kg 331 Gross kg 342 Notes 1 Nominal ton only for reference Cooling capacity as per specifi...

Страница 13: ...umber of rows 4 Fin spacing mm 1 5 Fin type Hydrophilic aluminum fin Tube diameter mm 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Drive type Belt Motor quantity 1 Moto...

Страница 14: ...stem stage 2 Dimensions Net W H D mm 1 483 1 231 1 138 Packing W H D mm 1 500 1 255 1 155 Weight Net kg 335 Gross kg 346 Notes 1 Nominal ton only for reference Cooling capacity as per specifications 2...

Страница 15: ...f rows 4 4 Fin spacing mm 1 3 1 3 Fin type Hydrophilic aluminum fin Tube diameter mm 7 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Drive type Belt Motor quantity 1 Mot...

Страница 16: ...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 433 Gross kg 453 Notes 1 Nominal ton only for reference Cooling capacity as per specific...

Страница 17: ...ows 4 4 Fin spacing mm 1 3 1 3 Fin type Hydrophilic aluminum fin Tube diameter mm 7 7 Tube type Inner grooved copper pipe Indoor fan Type Quantity Centrifugal 1 Drive type Belt Motor quantity 1 Motor...

Страница 18: ...tem 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 490 Notes 1 Nominal ton only for reference Cooling capacity as per specifications 2...

Страница 19: ...rows 3 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 Drive type Belt Motor quantity 1 Motor model...

Страница 20: ...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 590 Gross kg 620 Notes 1 Nominal ton only for reference Cooling capacity as per specific...

Страница 21: ...ows 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 Drive type Belt Motor quantity 1 Motor model YE...

Страница 22: ...ystem 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 capacity as per specifications...

Страница 23: ...s 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 type Belt Motor quantity 1 Motor model YE2...

Страница 24: ...ge 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 capacity as per specifications 2 Cooling...

Страница 25: ...ws 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 type Belt Motor quantity 1 Motor model YE2...

Страница 26: ...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 910 Gross kg 940 Notes 1 Nominal ton only for reference Cooling capacity as per specifications 2 Cool...

Страница 27: ...Rooftop KRFN Kentatsu Performance 27 3 Dimensions drawings KRFN220CFAN3 KRFN260CFAN3 Unit mm...

Страница 28: ...Kentatsu Rooftop KRFN 28 Performance...

Страница 29: ...Rooftop KRFN Kentatsu Performance 29...

Страница 30: ...Kentatsu Rooftop KRFN 30 Performance KRFN300CFAN3 KRFN350CFAN3 Unit mm...

Страница 31: ...Rooftop KRFN Kentatsu Performance 31...

Страница 32: ...Kentatsu Rooftop KRFN 32 Performance KRFN440CFAN3 KRFN530CFAN3 Unit mm...

Страница 33: ...Rooftop KRFN Kentatsu Performance 33...

Страница 34: ...Kentatsu Rooftop KRFN 34 Performance KRFN600CFAN3 KRFN700CFAN3 Unit mm...

Страница 35: ...Rooftop KRFN Kentatsu Performance 35...

Страница 36: ...Kentatsu Rooftop KRFN 36 Performance KRFN880CFAN3 KRFN1050CFAN3 Unit mm...

Страница 37: ...Rooftop KRFN Kentatsu Performance 37...

Страница 38: ...Kentatsu Rooftop KRFN 38 Performance 4 Wiring diagrams KRFN220CFAN3 KRFN260CFAN3...

Страница 39: ...Rooftop KRFN Kentatsu Performance 39 KRFN300CFAN3...

Страница 40: ...Kentatsu Rooftop KRFN 40 Performance KRFN350CFAN3...

Страница 41: ...Rooftop KRFN Kentatsu Performance 41 KRFN440CFAN3...

Страница 42: ...Kentatsu Rooftop KRFN 42 Performance KRFN530CFAN3...

Страница 43: ...Rooftop KRFN Kentatsu Performance 43 KRFN600CFAN3...

Страница 44: ...Kentatsu Rooftop KRFN 44 Performance KRFN700CFAN3...

Страница 45: ...Rooftop KRFN Kentatsu Performance 45 KRFN880CFAN3 KRFN1050CFAN3...

Страница 46: ...26 2 8000 4 26 7 70 9 66 9 6048 0 78 4 57 0 6411 8 81 2 38 5 7796 3 65 5 62 1 6564 2 75 0 56 1 6600 3 80 5 38 9 8250 4 29 4 72 4 70 2 6313 0 80 0 67 9 6855 4 82 9 48 3 8146 3 66 9 64 3 7007 2 77 3 68...

Страница 47: ...5 8551 5 26 7 59 8 56 9 6879 8 70 1 51 6 7048 5 77 8 38 2 8871 9 51 6 48 0 7451 7 61 4 49 4 7764 4 67 8 34 6 8839 5 29 4 61 1 60 2 7257 4 71 6 67 5 7438 1 79 4 51 1 9473 6 52 7 50 8 7681 7 62 7 59 9 8...

Страница 48: ...748 1 26 7 49 8 46 2 7781 7 60 5 48 9 7800 0 66 0 32 8 9444 7 46 8 43 5 8299 8 55 8 44 9 8181 3 61 7 31 2 10142 1 29 4 50 9 49 0 8131 7 62 3 59 5 8192 5 67 5 45 5 10046 4 47 8 46 1 8643 7 57 0 54 4 86...

Страница 49: ...7 26 7 84 2 79 5 7395 2 93 0 67 8 7689 4 96 4 45 9 8724 2 77 8 73 8 7874 8 89 0 66 6 7900 2 95 5 46 4 9205 8 29 4 86 1 83 5 7660 3 95 1 80 7 8105 3 98 5 57 6 9074 3 79 6 76 5 8139 9 91 9 81 8 8300 7 9...

Страница 50: ...9484 2 26 7 71 1 67 6 8099 5 83 2 61 4 8256 2 92 3 45 6 9925 4 58 0 53 8 8646 5 69 6 55 5 8975 2 77 2 37 9 9774 4 29 4 72 7 71 6 8450 3 85 1 80 3 8617 0 94 3 60 9 10496 1 59 5 57 2 8876 6 71 3 67 9 93...

Страница 51: ...59 4 26 7 57 0 52 8 8976 5 69 6 54 7 8999 9 76 2 36 9 10472 2 52 4 48 5 9491 3 63 0 50 1 9365 7 70 0 33 9 11254 5 29 4 58 5 56 2 9326 6 70 6 67 2 9363 6 78 1 52 1 11042 8 53 7 51 6 9836 5 64 5 61 4 97...

Страница 52: ...93 6 84 4 8648 4 103 0 74 9 9040 6 106 3 50 5 9729 7 86 7 80 8 9028 5 102 0 75 4 9189 0 105 2 51 3 10331 0 29 4 95 7 86 3 8910 1 105 3 90 9 9288 0 108 6 63 8 10079 8 88 7 82 7 9293 6 104 3 91 9 9527...

Страница 53: ...7 26 7 79 6 77 3 9425 5 92 8 73 0 9650 9 103 0 50 3 10996 0 67 0 64 3 9760 0 80 7 64 6 10280 3 94 0 43 9 11194 8 29 4 81 5 79 1 9616 3 94 9 91 7 9841 6 105 3 67 3 11403 7 68 6 66 0 9986 7 81 2 79 4 1...

Страница 54: ...26 7 64 9 62 2 10090 0 80 5 64 4 10300 0 91 9 41 8 11806 2 59 9 57 5 10596 8 72 9 57 7 10632 9 84 5 39 0 12470 9 29 4 66 5 63 9 10436 7 81 0 79 2 11111 2 94 1 59 3 12217 2 61 4 59 0 10930 0 73 3 71 1...

Страница 55: ...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 10710 2 128 2 64 3 11437 8 29 4 114 4 99 7 10302 2 127 4 107 11423 9 132 1 78 6 11829 4 106 0 95 4 9758 6 122 5 1...

Страница 56: ...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 12584 7 118 5 58 2 14163 7 29 4 97 3 91 2 10975 2 113 8 105 12398 9 127 8 80 0 13606 9 86 8 85 0 11759 8 102 4...

Страница 57: ...7 82 7 81 0 11385 4 98 4 78 3 12705 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 14832 3 78 6 77 0 12778 0 92 8 89...

Страница 58: ...7 137 0 124 11041 3 150 2 111 12289 6 154 8 76 7 12720 8 127 3 119 11144 0 150 0 111 13300 0 153 2 77 7 13595 1 29 4 139 9 127 11492 0 153 3 133 12762 9 158 0 95 2 13205 5 130 0 122 11798 9 152 0 135...

Страница 59: ...484 3 26 7 117 5 114 12730 7 135 9 108 14478 3 150 2 76 4 15828 7 106 2 103 14259 7 125 4 103 16075 4 144 0 73 9 17834 3 29 4 120 0 117 13181 4 138 8 134 14963 0 153 3 100 16336 1 108 5 105 14699 0 12...

Страница 60: ...1 26 7 102 7 99 0 14320 5 124 4 102 16100 0 140 5 70 4 17613 0 96 2 92 9 15519 3 114 5 93 2 17244 2 130 7 67 0 18776 1 29 4 105 0 101 14797 8 125 1 123 16418 4 143 6 94 8 18169 7 98 4 94 9 16028 5 114...

Страница 61: ...7 171 6 166 15471 7 190 0 133 15818 2 198 5 99 0 16318 2 162 0 157 16298 1 180 0 129 16701 0 192 2 96 3 17201 0 29 4 179 1 174 16152 1 191 2 157 16448 6 202 3 120 16948 6 171 8 167 16828 5 182 8 154...

Страница 62: ...51 2 26 7 151 3 145 16990 9 168 5 124 17294 2 189 4 92 3 17794 2 128 8 123 17846 7 146 0 107 18681 3 168 1 77 1 19181 3 29 4 163 7 157 17221 3 173 5 150 17787 0 190 8 116 18287 0 141 2 135 18332 1 148...

Страница 63: ...16 8 26 7 125 8 120 17929 5 145 4 107 18702 0 165 1 74 1 19202 0 123 3 119 18012 4 139 9 103 19046 9 161 2 73 6 19546 9 29 4 138 2 132 18670 0 147 8 132 19569 8 166 4 97 6 20069 8 135 2 131 19007 8 14...

Страница 64: ...7 198 2 187 15130 7 221 0 155 17404 9 234 5 119 18472 0 188 4 180 16826 8 208 0 149 19101 0 227 4 115 20168 1 29 4 206 7 199 16889 7 223 5 180 19163 9 237 5 143 20031 0 197 0 191 18385 9 210 9 176 20...

Страница 65: ...78 7 26 7 176 2 169 18523 0 198 8 144 20797 1 222 7 111 23172 5 157 1 152 20503 3 181 1 132 22636 8 203 7 100 24841 3 29 4 184 8 178 19932 0 203 0 170 22156 2 224 2 137 24408 6 171 3 166 21784 4 182 6...

Страница 66: ...9 26 7 151 3 147 21105 2 178 0 129 22800 0 197 9 94 4 25443 2 151 2 147 22563 8 174 2 127 23221 6 195 9 96 4 25644 1 29 4 165 5 161 22336 3 179 5 156 24032 1 200 9 121 26624 2 164 8 160 23744 9 175 7...

Страница 67: ...7 226 8 219 20638 7 251 2 175 22163 4 262 4 131 22940 7 214 1 206 21077 4 240 0 171 22602 0 254 1 127 23379 4 29 4 236 5 229 20919 0 252 6 208 22235 5 267 3 158 23157 3 227 0 218 21357 7 241 4 203 22...

Страница 68: ...7 1 26 7 200 0 194 22777 1 222 7 164 23549 9 250 4 122 25227 2 193 5 188 24359 2 199 2 148 25132 0 228 5 108 27232 6 29 4 216 2 210 23057 4 229 2 198 23622 1 252 0 153 25443 8 209 7 204 24639 5 202 5...

Страница 69: ...3 4 26 7 189 9 184 24730 2 198 0 147 25503 1 224 9 105 27598 9 165 9 161 25280 2 187 4 139 26053 0 215 0 102 27998 9 29 4 206 1 200 25010 5 201 2 180 25575 2 226 5 136 27815 5 181 2 176 25560 5 190 4...

Страница 70: ...1 3 263 25422 5 320 0 311 25922 5 329 8 256 26527 1 270 4 253 25116 6 301 5 300 27899 9 326 6 252 29326 2 10 000 23 9 280 7 262 25312 7 303 7 187 25812 7 310 9 112 26429 0 261 7 253 25000 5 293 9 183...

Страница 71: ...2 2 248 9 242 27104 0 288 9 284 29887 3 320 0 249 32770 3 219 0 211 29091 4 256 2 251 31874 7 301 0 235 36806 3 10 000 23 9 238 9 223 26987 9 275 9 175 29787 5 302 4 104 32648 6 213 2 208 28975 3 246...

Страница 72: ...2 216 3 208 29687 6 253 5 248 32470 9 298 3 233 37546 4 194 5 187 31078 8 228 3 224 33862 1 269 1 209 39202 1 10 000 23 9 210 5 205 29571 5 243 7 157 32371 1 281 7 89 0 37418 7 189 2 184 30962 7 219...

Страница 73: ...368 3 356 32030 7 375 4 356 32648 2 398 8 276 34683 2 354 1 348 33737 9 369 3 344 35186 1 387 2 279 36891 6 13 500 23 9 331 9 290 28743 2 372 7 223 32330 7 386 8 153 33622 2 314 3 279 29135 9 371 6 26...

Страница 74: ...32 2 334 0 325 41149 2 343 5 338 42319 7 376 8 276 46422 3 340 6 322 42338 9 345 7 324 42972 8 363 8 278 45222 8 13 500 23 9 293 6 269 35780 5 338 7 206 39983 2 372 1 140 45651 9 285 9 261 34844 3 34...

Страница 75: ...32 2 338 6 320 43485 2 343 7 322 44140 2 361 8 276 46464 7 312 2 307 47647 4 307 6 293 46945 3 344 1 262 52515 9 13 500 23 9 283 9 259 35735 6 343 7 252 42308 3 359 3 140 45644 6 259 6 246 38751 3 307...

Страница 76: ...KRFN440CFAN3 41 5 52 9 66 4 64 139 8 3 16 6 4 75 9 16 2 4 84 2 03 1 3 66 0 83 1 KRFN530CFAN3 45 4 58 1 72 4 64 144 8 3 18 7 4 75 10 8 2 7 50 3 97 1 2 80 1 27 1 KRFN600CFAN3 57 4 68 1 90 6 139 16 6 9 1...

Страница 77: ...1 317 1 120 Air flow CFM 2 825 2 503 2 190 100Pa Fan speed rpm 1 122 1 047 977 Power input W 1 526 1 280 1 079 Air flow CFM 2 759 2 401 2 105 150Pa Fan speed rpm 1 173 1 106 Power input W 1 452 1 230...

Страница 78: ...Air flow CFM 2 951 2 574 2 223 100Pa Fan speed rpm 1 127 1 051 984 Power input W 1 591 1 377 1 126 Air flow CFM 2 825 2 438 2 146 150Pa Fan speed rpm 1 173 1 110 Power input W 1 525 1 338 Air flow CF...

Страница 79: ...3 7 3 1 440 4 53 5 25 1 022 1 195 6 30 Example for selection process The following data are the rated design points for MRCT 085CWN1 R C rooftop packages Air flow 3520CFM External static pressure 0 3i...

Страница 80: ...itch Pulley Data The variable pitch pulley for motor shall be adjusted to this N in order to get 3483cfm First adjust the motor pulley to 0 turns Then make 0 25 turns on the pulley Cross check the dim...

Страница 81: ...907 896 885 876 866 858 849 858 828 Power input W 1 470 1 400 1 390 1 360 1 330 1 265 1 200 1 150 1 100 Air flow CFM 3 582 3 483 3 428 3 321 3 215 3 215 3 215 3 154 3 092 125 Fan speed rpm 910 900 886...

Страница 82: ...put W 1 980 1 960 1 833 1 705 1 635 1 565 1 495 1 425 Air flow CFM 3 953 4 065 3 927 3 789 3 719 3 648 3 579 3 509 150 Fan speed rpm 1 009 991 991 990 988 983 978 983 942 Power input W 2 050 1 880 1 8...

Страница 83: ...774 771 Power input W 3 175 3 078 2 980 2 868 2 755 2 643 2 530 2 455 2 380 2 278 2 175 Air flow CFM 6 151 6 069 5 987 5 901 5 814 5 711 5 608 5 534 5 461 5 363 5 265 700 Fan speed rpm 862 853 844 832...

Страница 84: ...85 1 608 1 530 Air flow CFM 4 575 4 434 4 293 4 187 4 082 3 922 3 763 3 622 3 481 250 Fan speed rpm 869 860 850 838 827 816 806 795 784 Power input W 2 120 2 035 1 950 1 830 1 710 1 615 1 520 1 440 1...

Страница 85: ...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 input W 4 770 4 665 4 560 4 31...

Страница 86: ...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 W 3 720 3 590 3 460 3 300 3 140 3 020 2 900 2 770 2 640 Air flow CFM 5 971 5 862 5 754 5 600 5 446 5...

Страница 87: ...5 4 338 4 442 4 181 3 920 3 777 3 635 3 495 3 356 Air flow CFM 9 307 9 153 8 998 9 067 9 136 8 999 8 861 8 729 8 597 8 421 8 246 100 Fan speed rpm 1 013 1 005 998 991 984 976 968 959 951 942 933 Power...

Страница 88: ...7 454 7 272 7 090 7 215 7 339 7 044 6 748 6 561 6 374 6 169 5 963 225 Fan speed rpm 1 033 1 019 1 006 1 000 994 Power input W 3 042 3 135 3 229 3 128 3 026 Air flow CFM 6 817 6 953 7 090 6 696 6 303 2...

Страница 89: ...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 10 367 10 207 10 047 9 898 9 749...

Страница 90: ...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 1 224 1 209 1 196 1 183 1 169 1 154 1 140 1 126 1 113 1 099 Power in...

Страница 91: ...Air flow CFM 7 459 6 935 6 339 6 285 5 318 375 Fan speed rpm 1 280 1 267 1 254 Power input W 3 982 3 457 3 371 Air flow CFM 6 465 5 433 5 387 400 Fan speed rpm 1 284 Power input W 3 417 Air flow CFM 5...

Страница 92: ...058 10 909 10 695 10 581 10 276 10 326 10 185 75 Fan speed rpm 1 075 1 062 1 040 1 036 1 029 1 011 1 004 987 976 966 937 941 928 Power input W 6 391 6 301 5 903 5 842 5 573 5 329 5 152 5 019 4 698 4 5...

Страница 93: ...M 9 875 9 378 8 936 8 922 8 670 8 306 8 296 8 037 7 615 7 383 7 169 7 025 6 863 250 Fan speed rpm 1 080 1 067 1 053 1 042 1 034 1 018 1 008 994 984 970 942 947 933 Power input W 5 295 4 728 4 267 4 27...

Страница 94: ...3 024 Air flow CFM 7 219 6 776 6 332 5 889 5 445 5 375 5 815 375 Fan speed rpm 1 087 1 074 1 062 Power input W 3 708 3 474 3 241 Air flow CFM 6 428 5 990 5 551 400 Fan speed rpm 1 088 Power input W 3...

Страница 95: ...1 109 1 094 1 078 1 056 1 035 1 030 1 025 Power input W 8 425 8 425 7 490 7 160 6 831 9 544 6 258 6 241 6 225 Air flow CFM 13 089 13 089 12 619 12 384 12 149 11 897 11 644 11 591 11 539 100 Fan speed...

Страница 96: ...520 Air flow CFM 12 356 11 835 11 735 11 139 11 016 11 016 10 298 9 875 9 452 9 175 8 898 8 708 8 518 250 Fan speed rpm 1 176 1 172 1 162 1 156 1 148 1 148 1 119 1 106 1 093 1 069 1 046 1 041 1 036 Po...

Страница 97: ...3 1 173 1 165 1 155 1 140 1 126 Power input W 7 114 6 130 5 596 5 121 4 916 4 576 4 236 Air flow CFM 9 916 8 778 8 439 7 810 7 715 7 353 6 991 400 Fan speed rpm 1 195 1 185 1 175 1 166 1 156 1 141 1 1...

Страница 98: ...Kentatsu Rooftop KRFN 98 Performance 8 Refrigerant cycle diagram KRFN220CFAN3 KRFN260CFAN3 KRFN300CFAN3 KRFN350CFAN3 KRFN440CFAN3 KRFN530CFAN3 KRFN600CFAN3 KRFN700CFAN3 KRFN880CFAN3 KRFN1050CFAN3...

Страница 99: ...ance 99 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 operates in excess the surface of the...

Страница 100: ...nstallations 1 General information 101 2 Recommendations 102 3 Lifting 103 4 Installation 104 5 Condensate drainage 105 6 Duct work 106 7 Electrical wiring 107 8 Start up 111 9 Safety control 112 10 M...

Страница 101: ...bjects 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 It may cause a fire Keep f...

Страница 102: ...ust 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 a flame retardant material...

Страница 103: ...ging 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 no less than 60 Cloth mat...

Страница 104: ...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 Complete the installation accordi...

Страница 105: ...d weatherproof There must be a weatherproof seal where the duct enters the structure Complete the installation 5 Condensate drainage Model X value mm Model X value mm KRFN220CFAN3 20 X 40 KRFN260CFAN3...

Страница 106: ...ductwork must be weatherproofed between the unit and the building When attaching ductwork to a horizontal unit provide a flexible watertight connection to prevent noise transmission from the unit to t...

Страница 107: ...rical technology Main power wiring to the unit control wiring between the control center and the unit and earth wiring are required in the field The following components are required main power fuses...

Страница 108: ...FN260CFAN3 3 10mm 2 6mm 3 UL1015 7AWG 2 UL1015 9AWG KRFN300CFAN3 3 10mm 2 6mm 3 UL1015 7AWG 2 UL1015 9AWG KRFN350CFAN3 3 10mm 2 6mm 3 UL1015 7AWG 2 UL1015 9AWG KRFN440CFAN3 3 16mm 2 10mm 3 UL1015 5AWG...

Страница 109: ...AN3 KRFN700CFAN3 KRFN880CFAN3 KRFN1050CFAN3 Wired controller wiring diagram Standard wired controller KRFN220CFAN3 KRFN260CFAN3 KRFN300CFAN3 KRFN350CFAN3 KRFN440CFAN3 KRFN530CFAN3 KRFN600CFAN3 KRFN700...

Страница 110: ...Kentatsu Rooftop KRFN 110 Installation KRFN220CFAN3 KRFN260CFAN3 The standard wired controller model of these units is KFC 14...

Страница 111: ...essary Does the condenser fan and indoor blower fan free without rubbing and are they tight on the shafts Are all covers and access panels in place to prevent air loss and safety hazards Starting the...

Страница 112: ...ower than 90 C 194 F the compressor can be started again Reverse phase protection relay The reverse phase protection relay will make the unit not start when the power supply source is in correctly con...

Страница 113: ...ssor 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 sensor T2 in system B err...

Страница 114: ...r 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 includes all system for 2 stage...

Страница 115: ...een Low temperature protection of evaporator OFF FLASH OFF High temperature protection of condenser FLASH OFF OFF Wired controller communication error FLASH FLASH ON Low pressure protection FLASH ON F...

Страница 116: ...116 Installation Evaporator pipe temperature sensor T2 error Condenser pipe temperature sensor T3 error Ambient temperature sensor T4 error Indoor side room temperature sensor T1 error Over current pr...

Страница 117: ...Rooftop KRFN Kentatsu Installation 117 High pressure protection High discharge temperature protection Wired controller communication error...

Страница 118: ...Kentatsu Rooftop KRFN 118 Installation Low pressure protection Eeprom error...

Страница 119: ...Rooftop KRFN Kentatsu Installation 119 Over current protection of indoor side fan motor Comprehensive protection of outdoor side fan motor...

Страница 120: ...Kentatsu Rooftop KRFN 120 Installation High temperature protection of condenser Low temperature protection of evaporator Anti freezing protection of evaporator...

Страница 121: ...Rooftop KRFN Kentatsu Installation 121 Protection of outdoor ambient temperature...

Страница 122: ...efore cleaning and maintenance Regular maintenance Some regular maintenance has been carry on by user It includes change the one time dust filter clean casing wash condenser and replace a new belt as...

Страница 123: ...flection force the force should be between the values shown in the following lists The belt which is too tight or too loose may generate noise and be harmful to the unit Belt section For required to d...

Страница 124: ...ng please dry out in cool place Do not dry out the air filter under direct sunshine or heat Step 3 Re install the air filter Condenser coil Unfiltered air circulates through the unit s condenser coil...

Страница 125: ...ty controls Electrical components and wiring For possible replacement and connection tightness Condenser drainage For cleaning Unit duct connections To check that they are physically sound and sealed...

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Страница 127: ...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 37 5 9676 5 8772 5 7875 0 3...

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