VFD Two-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 21: YV28 to YV50 VFD two-stage medium static without power exhaust
Comp. 1 Comp. 2
Min
disconnect
rating
Min
disconnect
rating/120V
trans
Size
(tons)
Nominal
unit
voltage
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 41.0 304 4.0 21.0 28.0 173.44 14.4 136 175 145 865.4 151 175 161.5 879.8
230-3-60 41.0 304 41.0 304 4.2 21.0 28.0 173.44 13.0 137 175 146 865.4 150 175 160.8 878.4
460-3-60 19.2 147 19.2 147 2.1 10.5 14.0 86.72 6.5 66 80 70 422.7 72 90 77.4 429.2
YV28
(27.5)
575-3-60 16.7 122 16.7 122 1.6 7.8 11.0 71.77 5.2 55 70 58 347.0 60 75 64.4 352.2
208-3-60 44.2 315 44.2 315 4.0 21.0 28.0 173.44 14.4 143 175 152 887.4 158 200 168.8 901.8
230-3-60 44.2 315 44.2 315 4.2 21.0 28.0 173.44 13.0 144 175 153 887.4 157 200 168.1 900.4
460-3-60 22.4 158 22.4 158 2.1 10.5 14.0 86.72 6.5 73 90 77 444.7 79 100 84.8 451.2
YV30
(30)
575-3-60 18.6 136 18.6 136 1.6 7.8 11.0 71.77 5.2 59 75 63 375.0 64 80 68.8 380.2
208-3-60 48.1 351 48.1 351 4.0 21.0 28.0 173.44 14.4 152 200 161 959.4 167 200 177.8 973.8
230-3-60 48.1 351 48.1 351 4.2 21.0 28.0 173.44 13.0 153 200 162 959.4 166 200 177.1 972.4
460-3-60 24.7 197 24.7 197 2.1 10.5 14.0 86.72 6.5 78 100 83 522.7 84 100 90.0 529.2
YV35
(35)
575-3-60 22.4 135 22.4 135 1.6 7.8 11.0 71.77 5.2 68 90 72 373.0 73 90 77.5 378.2
208-3-60 48.1 351 48.1 351 4.0 21.0 42.0 234 14.4 166 200 177 1020.0 181 225 193.9 1034.4
230-3-60 48.1 351 48.1 351 4.2 21.0 42.0 234 13.0 167 200 178 1020.0 180 225 193.2 1033.0
460-3-60 24.7 197 24.7 197 2.1 10.5 21.0 117 6.5 85 100 91 553.0 91 110 98.1 559.5
YV40
(40)
575-3-60 22.4 135 22.4 135 1.6 7.8 18.0 95.94 5.2 75 90 80 397.1 80 100 85.6 402.3
208-3-60 67.3 485 67.3 485 7.2 39.6 42.0 234 14.4 222 275 236 1362.4 237 300 252.8 1376.8
230-3-60 67.3 485 67.3 485 6.8 39.6 42.0 234 13.0 221 275 234 1362.4 234 300 249.3 1375.4
460-3-60 32.7 215 32.7 215 3.4 19.8 21.0 117 6.5 108 125 115 626.2 115 125 122.5 632.7
YV50
(50)
575-3-60 26.3 175 26.3 175 2.7 15.8 18.0 95.94 5.2 88 110 94 509.1 93 110 99.6 514.3
Table 22: YV28 to YV50 VFD two-stage medium static on/off power exhaust
Comp. 1 Comp. 2
Min
disconnect
rating
Min
disconnect
rating/120V
trans
Size
(tons)
Nominal
unit
voltage
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 41.0 304 4.0 21.0 28.0 173.4 4.0 21.0 14.4 144 175 154 907 159 175 171 922
230-3-60 41.0 304 41.0 304 4.2 21.0 28.0 173.4 4.2 21.0 13.0 145 175 155 907 158 175 170 920
460-3-60 19.2 147 19.2 147 2.1 10.5 14.0 86.7 2.1 10.5 6.5 70 80 75 444 76 90 82 450
YV28
(27.5)
575-3-60 16.7 122 16.7 122 1.6 7.8 11.0 71.8 1.6 7.8 5.2 58 70 62 363 63 80 68 368
208-3-60 44.2 315 44.2 315 4.0 21.0 28.0 173.4 4.0 21.0 14.4 151 175 161 929 166 200 178 944
230-3-60 44.2 315 44.2 315 4.2 21.0 28.0 173.4 4.2 21.0 13.0 153 175 163 929 166 200 178 942
460-3-60 22.4 158 22.4 158 2.1 10.5 14.0 86.7 2.1 10.5 6.5 77 90 82 466 84 100 90 472
YV30
(30)
575-3-60 18.6 136 18.6 136 1.6 7.8 11.0 71.8 1.6 7.8 5.2 62 80 66 391 68 80 72 396
208-3-60 48.1 351 48.1 351 4.0 21.0 28.0 173.4 4 21.0 14.4 160 200 170 1001 175 200 187 1016
230-3-60 48.1 351 48.1 351 4.2 21.0 28.0 173.4 4.2 21.0 13.0 161 200 172 1001 174 200 187 1014
460-3-60 24.7 197 24.7 197 2.1 10.5 14.0 86.7 2.1 10.5 6.5 82 100 87 544 89 110 95 550
YV35
(35)
575-3-60 22.4 135 22.4 135 1.6 7.8 11.0 71.8 1.6 7.8 5.2 71 90 75 389 76 90 81 394
208-3-60 48.1 351 48.1 351 4.0 21.0 42.0 234.0 7.2 39.6 14.4 181 225 194 1099 195 225 210 1114
230-3-60 48.1 351 48.1 351 4.2 21.0 42.0 234.0 6.8 39.6 13.0 181 225 194 1099 194 225 209 1112
460-3-60 24.7 197 24.7 197 2.1 10.5 21.0 117.0 3.4 19.8 6.5 92 110 98 593 98 110 106 599
YV40
(40)
575-3-60 22.4 135 22.4 135 1.6 7.8 18.0 95.9 2.7 15.8 5.2 80 100 86 429 85 100 92 434
208-3-60 67.3 485 67.3 485 7.2 39.6 42.0 234.0 7.2 39.6 14.4 237 300 253 1442 251 300 269 1456
230-3-60 67.3 485 67.3 485 6.8 39.6 42.0 234.0 6.8 39.6 13.0 234 300 250 1442 247 300 265 1455
460-3-60 32.7 215 32.7 215 3.4 19.8 21.0 117.0 3.4 19.8 6.5 115 125 123 666 121 150 130 672
YV50
(50)
575-3-60 26.3 175 26.3 175 2.7 15.8 18.0 95.9 2.7 15.8 5.2 93 110 100 541 99 110 106 546
Installation Manual: YORK
®
Sun
™
Select YV28 to YV50
46
Johnson Controls Ducted Systems
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