VFD Four-stage standard static
Note:
• MCA = minimum circuit ampacity
• f/b = fuse/breaker
• Fuse is a dual element, time delay type
• Breaker is a HACR type per NEC
Table 27: YV28 to YV50 VFD four-stage standard static without power exhaust
Comp. 1 Comp. 2 Comp. 3
Min
disconnect
rating
Min
disconnect
rating/120V
trans
Size
(tons)
Nominal
unit
voltage
RLA LRA RLA LRA RLA LRA
OD fan
motors
each
FLA
OD fan
motors
each
LRA
Supply
blower
motor
FLA
Supply
blower
motor
LRA
120 V
trans
FLA
MCA
A
Max
f/b
size
A
FLA LRA
MCA
with
120 V
trans
A
Max
f/b
size
with
120V
trans
A
FLA LRA
208-3-60 41.0 304 22.4 149 22.4 149 4.0 21.0 22.0 144.4 14.4 134 175 142 830 148 175 158.9 844.8
230-3-60 41.0 304 22.4 149 22.4 149 4.2 21.0 22.0 144.4 13.0 135 175 143 830 148 175 158.2 843.4
460-3-60 19.2 147 10.6 75 10.6 75 2.1 10.5 11.0 72.2 6.5 65 80 69 411 71 90 76.2 417.7
YV28
(27.5)
575-3-60 16.7 122 7.7 54 7.7 54 1.6 7.8 9.0 59.1 5.2 52 60 55 320 57 70 60.6 325.5
208-3-60 44.2 315 25 164 25 164 4.0 21.0 22.0 144.4 14.4 143.3 175 152 871 158 200 168.6 885.8
230-3-60 44.2 315 25 164 25 164 4.2 21.0 22.0 144.4 13.0 144.1 175 153 871 157 200 167.9 884.4
460-3-60 22.4 158 12.8 100 12.8 100 2.1 10.5 11.0 72.2 6.5 73 90 78 472 80 100 85.0 478.7
YV30
(30)
575-3-60 18.6 136 9.6 78 9.6 78 1.6 7.8 9.0 59.1 5.2 58 75 61 382 63 80 67.2 387.5
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 22.0 144.4 14.4 153 200 162 961 168 200 179.1 975.8
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 22.0 144.4 13.0 154 200 163 961 167 200 178.4 974.4
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 11.0 72.2 6.5 76 100 80 511 82 100 87.6 517.7
YV35
(35)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 9.0 59.1 5.2 63 80 66 381 68 90 71.5 386.5
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 28.0 173.44 14.4 159 200 169 990 174 200 186.0 1004.8
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 28.0 173.44 13.0 160 200 170 990 173 200 185.3 1003.4
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 14.0 86.72 6.5 79 100 84 526 85 110 91.1 532.2
YV40
(40)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 11.0 71.77 5.2 65 80 68 394 70 90 73.8 399.2
208-3-60 67.3 485 39.1 267 39.1 267 7.2 39.6 28.0 173.44 14.4 219 275 233 1351 234 300 249.2 1365.2
230-3-60 67.3 485 39.1 267 39.1 267 6.8 39.6 28.0 173.44 13.0 218 275 231 1351 231 275 245.8 1363.8
460-3-60 32.7 215 18.6 142 18.6 142 3.4 19.8 14.0 86.72 6.5 106 125 112 665 112 125 119.6 671.4
YV50
(50)
575-3-60 26.3 175 15.4 103 15.4 103 2.7 15.8 11.0 71.77 5.2 85 110 91 516 91 110 96.7 521.2
Table 28: YV28 to YV50 VFD four-stage standard static with on/off power exhaust exhaust
Comp. 1 Comp. 2 Comp. 3
Min
disconnect
rating
Min
disconnect
rating/120V
trans
Size
(tons)
Nominal
unit
voltage
RLA LRA RLA LRA RLA LRA
OD fan
motors
each
FLA
OD fan
motors
each
FLA
Supply
blower
motor
FLA
Supply
blower
motor
LRA
Power
exhaus
t VFD
FLA
Power
exhaus
t motor
LRA
120 V
trans
FLA
MCA
A
Max
f/b
size
A
FLA LRA
MCA
with
120 V
trans
A
Max
f/b
size
with
120V
trans
A
FLA LRA
208-3-60 41.0 304 22.4 149 22.4 149 4.0 21.0 22.0 144.4 4.0 21.0 14.4 142 175 152 872 156 175 168 887
230-3-60 41.0 304 22.4 149 22.4 149 4.2 21.0 22.0 144.4 4.2 21.0 13.0 143 175 153 872 156 175 168 885
460-3-60 19.2 147 10.6 75 10.6 75 2.1 10.5 11.0 72.2 2.1 10.5 6.5 69 80 74 432 75 90 81 439
YV28
(27.5)
575-3-60 16.7 122 7.7 54 7.7 54 1.6 7.8 9.0 59.1 1.6 7.8 5.2 55 70 58 336 60 75 64 341
208-3-60 44.2 315 25 164 25 164 4.0 21.0 22.0 144.4 4.0 21.0 14.4 151 175 161 913 166 200 178 928
230-3-60 44.2 315 25 164 25 164 4.2 21.0 22.0 144.4 4.2 21.0 13.0 152 175 163 913 165 200 178 926
460-3-60 22.4 158 12.8 100 12.8 100 2.1 10.5 11.0 72.2 2.1 10.5 6.5 77 90 82 493 84 100 90 500
YV30
(30)
575-3-60 18.6 136 9.6 78 9.6 78 1.6 7.8 9.0 59.1 1.6 7.8 5.2 61 75 65 398 66 80 71 403
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 22.0 144.4 4 21.0 14.4 161 200 172 1003 176 200 188 1018
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 22.0 144.4 4.2 21.0 13.0 163 200 173 1003 176 200 188 1016
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 11.0 72.2 2.1 10.5 6.5 80 100 85 532 87 110 92 539
YV35
(35)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 9.0 59.1 1.6 7.8 5.2 66 80 69 397 71 90 75 402
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 28.0 173.44 7.2 39.6 14.4 174 200 186 1070 188 225 203 1084
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 28.0 173.44 6.8 39.6 13.0 174 200 186 1070 187 225 201 1083
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 14.0 86.72 3.4 19.8 6.5 86 110 91 565 92 110 99 572
YV40
(40)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 11.0 71.77 2.7 15.8 5.2 70 90 74 426 75 90 80 431
208-3-60 67.3 485 39.1 267 39.1 267 7.2 39.6 28.0 173.44 7.2 39.6 14.4 234 300 249 1430 248 300 266 1444
230-3-60 67.3 485 39.1 267 39.1 267 6.8 39.6 28.0 173.44 6.8 39.6 13.0 231 275 246 1430 244 300 261 1443
460-3-60 32.7 215 18.6 142 18.6 142 3.4 19.8 14.0 86.72 3.4 19.8 6.5 112 125 120 705 119 150 127 711
YV50
(50)
575-3-60 26.3 175 15.4 103 15.4 103 2.7 15.8 11.0 71.77 2.7 15.8 5.2 91 110 97 548 96 110 103 553
Installation Manual: YORK
®
Sun
™
Select YV28 to YV50
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Johnson Controls Ducted Systems
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