VFD Four-stage medium 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 30: YV28 to YV50 VFD four-stage medium 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 28.0 173.44 14.4 140 175 149 859 154 175 166 874
230-3-60 41.0 304 22.4 149 22.4 149 4.2 21.0 28.0 173.44 13.0 141 175 150 859 154 175 165 872
460-3-60 19.2 147 10.6 75 10.6 75 2.1 10.5 14.0 86.72 6.5 68 80 72 426 74 90 80 432
YV28
(27.5)
575-3-60 16.7 122 7.7 54 7.7 54 1.6 7.8 11.0 71.77 5.2 54 70 57 333 59 75 63 338
208-3-60 44.2 315 25 164 25 164 4.0 21.0 28.0 173.44 14.4 149 175 159 900 164 200 175 915
230-3-60 44.2 315 25 164 25 164 4.2 21.0 28.0 173.44 13.0 150 175 160 900 163 200 175 913
460-3-60 22.4 158 12.8 100 12.8 100 2.1 10.5 14.0 86.72 6.5 76 90 81 487 83 100 88 493
YV30
(30)
575-3-60 18.6 136 9.6 78 9.6 78 1.6 7.8 11.0 71.77 5.2 60 75 63 395 65 80 69 400
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 1005
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 1003
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 91 532
YV35
(35)
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 74 399
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 42.0 234 14.4 173 200 185 1051 188 225 202 1065
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 42.0 234 13.0 174 200 186 1051 187 225 201 1064
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 21.0 117 6.5 86 110 92 556 92 110 99 563
YV40
(40)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 18.0 95.94 5.2 72 90 76 418 77 90 82 423
208-3-60 67.3 485 39.1 267 39.1 267 7.2 39.6 42.0 234 14.4 233 300 249 1411 248 300 265 1426
230-3-60 67.3 485 39.1 267 39.1 267 6.8 39.6 42.0 234 13.0 232 275 247 1411 245 300 262 1424
460-3-60 32.7 215 18.6 142 18.6 142 3.4 19.8 21.0 117 6.5 113 125 120 695 119 150 128 702
YV50
(50)
575-3-60 26.3 175 15.4 103 15.4 103 2.7 15.8 18.0 95.94 5.2 92 110 99 540 98 110 105 545
Table 31: YV28 to YV50 VFD four-stage medium static on/off 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
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 28.0 173.44 4.0 21.0 14.4 148 175 158 901 162 200 175 916
230-3-60 41.0 304 22.4 149 22.4 149 4.2 21.0 28.0 173.44 4.2 21.0 13.0 149 175 160 901 162 200 175 914
460-3-60 19.2 147 10.6 75 10.6 75 2.1 10.5 14.0 86.72 2.1 10.5 6.5 72 90 77 447 78 90 85 453
YV28
(27.5)
575-3-60 16.7 122 7.7 54 7.7 54 1.6 7.8 11.0 71.77 1.6 7.8 5.2 57 70 61 349 62 75 67 354
208-3-60 44.2 315 25 164 25 164 4.0 21.0 28.0 173.44 4.0 21.0 14.4 157 200 168 942 172 200 185 957
230-3-60 44.2 315 25 164 25 164 4.2 21.0 28.0 173.44 4.2 21.0 13.0 158 200 170 942 171 200 184 955
460-3-60 22.4 158 12.8 100 12.8 100 2.1 10.5 14.0 86.72 2.1 10.5 6.5 80 100 86 508 87 100 93 514
YV30
(30)
575-3-60 18.6 136 9.6 78 9.6 78 1.6 7.8 11.0 71.77 1.6 7.8 5.2 63 80 67 411 68 80 73 416
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 28.0 173.44 4 21.0 14.4 167 200 179 1032 182 225 195 1047
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 28.0 173.44 4.2 21.0 13.0 169 200 180 1032 182 225 195 1045
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 14.0 86.72 2.1 10.5 6.5 83 100 88 547 90 110 96 553
YV35
(35)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 11.0 71.77 1.6 7.8 5.2 68 90 72 410 73 90 78 415
208-3-60 48.1 351 27.6 191 27.6 191 4.0 21.0 42.0 234 7.2 39.6 14.4 188 225 202 1130 202 250 219 1145
230-3-60 48.1 351 27.6 191 27.6 191 4.2 21.0 42.0 234 6.8 39.6 13.0 188 225 202 1130 201 225 217 1143
460-3-60 24.7 197 12.8 100 12.8 100 2.1 10.5 21.0 117 3.4 19.8 6.5 93 110 99 596 99 110 107 602
YV40
(40)
575-3-60 22.4 135 9.6 78 9.6 78 1.6 7.8 18.0 95.94 2.7 15.8 5.2 77 90 82 450 82 100 88 455
208-3-60 67.3 485 39.1 267 39.1 267 7.2 39.6 42.0 234 7.2 39.6 14.4 248 300 265 1491 262 325 282 1505
230-3-60 67.3 485 39.1 267 39.1 267 6.8 39.6 42.0 234 6.8 39.6 13.0 245 300 263 1491 258 325 277 1504
460-3-60 32.7 215 18.6 142 18.6 142 3.4 19.8 21.0 117 3.4 19.8 6.5 119 150 128 735 126 150 135 741
YV50
(50)
575-3-60 26.3 175 15.4 103 15.4 103 2.7 15.8 18.0 95.94 2.7 15.8 5.2 98 110 105 572 103 125 111 577
Installation Manual: YORK
®
Sun
™
Select YV28 to YV50
52
Johnson Controls Ducted Systems
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