Constant volume 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 12: YV28 to YV50 Constant volume medium static without power exhaust
Comp. 1 Comp. 2
Min disconnect
rating
Min disconnect
rating/120 V 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 25.0 173.44 14.4 133 150 141 865.4 148 175 158.0 879.8
230-3-60 41.0 304 41.0 304 4.2 21.0 25.0 173.44 13.0 134 175 142 865.4 147 175 157.3 878.4
460-3-60 19.2 147 19.2 147 2.1 10.5 12.5 86.72 6.5 64 80 68 422.7 71 80 75.7 429.2
YV28
(27.5)
575-3-60 16.7 122 16.7 122 1.6 7.8 10.0 71.77 5.2 54 70 57 347.0 59 75 63.3 352.2
208-3-60 44.2 315 44.2 315 4.0 21.0 25.0 173.44 14.4 140 175 149 887.4 155 175 165.4 901.8
230-3-60 44.2 315 44.2 315 4.2 21.0 25.0 173.44 13.0 141 175 150 887.4 154 175 164.7 900.4
460-3-60 22.4 158 22.4 158 2.1 10.5 12.5 86.72 6.5 71 90 76 444.7 78 100 83.0 451.2
YV30
(30)
575-3-60 18.6 136 18.6 136 1.6 7.8 10.0 71.77 5.2 58 75 62 375.0 63 80 67.6 380.2
208-3-60 48.1 351 48.1 351 4.0 21.0 25.0 173.44 14.4 149 175 158 959.4 164 200 174.3 973.8
230-3-60 48.1 351 48.1 351 4.2 21.0 25.0 173.44 13.0 150 175 159 959.4 163 200 173.7 972.4
460-3-60 24.7 197 24.7 197 2.1 10.5 12.5 86.72 6.5 76 100 81 522.7 83 100 88.3 529.2
YV35
(35)
575-3-60 22.4 135 22.4 135 1.6 7.8 10.0 71.77 5.2 67 80 70 373.0 72 90 76.4 378.2
208-3-60 48.1 351 48.1 351 4.0 21.0 36.0 234 14.4 160 200 170 1020.0 175 200 187.0 1034.4
230-3-60 48.1 351 48.1 351 4.2 21.0 36.0 234 13.0 161 200 171 1020.0 174 200 186.3 1033.0
460-3-60 24.7 197 24.7 197 2.1 10.5 18.0 117 6.5 82 100 87 553.0 88 110 94.6 559.5
YV40
(40)
575-3-60 22.4 135 22.4 135 1.6 7.8 14.2 95.94 5.2 71 90 75 397.1 76 90 81.2 402.3
208-3-60 67.3 485 67.3 485 7.2 39.6 36.0 234 14.4 216 275 229 1362.4 231 275 245.9 1376.8
230-3-60 67.3 485 67.3 485 6.8 39.6 36.0 234 13.0 215 275 227 1362.4 228 275 242.4 1375.4
460-3-60 32.7 215 32.7 215 3.4 19.8 18.0 117 6.5 105 125 112 626.2 112 125 119.0 632.7
YV50
(50)
575-3-60 26.3 175 26.3 175 2.7 15.8 14.2 95.94 5.2 84 110 89 509.1 89 110 95.2 514.3
Table 13: YV28 to YV50 Constant volume 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
exhaust
VFD FLA
Power
exhaust
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 25.0 173.4 4.0 21.0 14.4 141 175 151 907 156 175 167 922
230-3-60 41.0 304 41.0 304 4.2 21.0 25.0 173.4 4.2 21.0 13.0 142 175 152 907 155 175 167 920
460-3-60 19.2 147 19.2 147 2.1 10.5 12.5 86.7 2.1 10.5 6.5 68 80 73 444 75 90 81 450
YV28
(27.5)
575-3-60 16.7 122 16.7 122 1.6 7.8 10.0 71.8 1.6 7.8 5.2 57 70 61 363 62 75 67 368
208-3-60 44.2 315 44.2 315 4.0 21.0 25.0 173.4 4.0 21.0 14.4 148 175 158 929 163 200 175 944
230-3-60 44.2 315 44.2 315 4.2 21.0 25.0 173.4 4.2 21.0 13.0 150 175 159 929 163 200 174 942
460-3-60 22.4 158 22.4 158 2.1 10.5 12.5 86.7 2.1 10.5 6.5 76 90 80 466 82 100 88 472
YV30
(30)
575-3-60 18.6 136 18.6 136 1.6 7.8 10.0 71.8 1.6 7.8 5.2 61 80 65 391 67 80 71 396
208-3-60 48.1 351 48.1 351 4.0 21.0 25.0 173.4 4 21.0 14.4 157 200 167 1001 172 200 184 1016
230-3-60 48.1 351 48.1 351 4.2 21.0 25.0 173.4 4.2 21.0 13.0 158 200 168 1001 171 200 183 1014
460-3-60 24.7 197 24.7 197 2.1 10.5 12.5 86.7 2.1 10.5 6.5 81 100 86 544 87 110 93 550
YV35
(35)
575-3-60 22.4 135 22.4 135 1.6 7.8 10.0 71.8 1.6 7.8 5.2 70 90 74 389 75 90 80 394
208-3-60 48.1 351 48.1 351 4.0 21.0 36.0 234.0 7.2 39.6 14.4 175 200 187 1099 189 225 204 1114
230-3-60 48.1 351 48.1 351 4.2 21.0 36.0 234.0 6.8 39.6 13.0 175 200 187 1099 188 225 202 1112
460-3-60 24.7 197 24.7 197 2.1 10.5 18.0 117.0 3.4 19.8 6.5 89 110 95 593 95 110 102 599
YV40
(40)
575-3-60 22.4 135 22.4 135 1.6 7.8 14.2 95.9 2.7 15.8 5.2 76 90 81 429 82 100 87 434
208-3-60 67.3 485 67.3 485 7.2 39.6 36.0 234.0 7.2 39.6 14.4 231 275 246 1442 245 300 262 1456
230-3-60 67.3 485 67.3 485 6.8 39.6 36.0 234.0 6.8 39.6 13.0 228 275 243 1442 241 300 258 1455
460-3-60 32.7 215 32.7 215 3.4 19.8 18.0 117.0 3.4 19.8 6.5 112 125 119 666 118 150 127 672
YV50
(50)
575-3-60 26.3 175 26.3 175 2.7 15.8 14.2 95.9 2.7 15.8 5.2 90 110 95 541 95 110 101 546
Installation Manual: YORK
®
Sun
™
Select YV28 to YV50
40
Johnson Controls Ducted Systems
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