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254595-YTG-C-0308
Johnson Controls Unitary Products
15
TABLE 14: SUPPLY AIR BLOWER PERFORMANCE (BQ036, 048 & 060 DIRECT DRIVE) -
BOTTOM DUCT APPLICATION
UNIT
TONNAGE
MOTOR
1
SPEED
AVAILABLE EXTERNAL STATIC PRESSURE - IWG
2
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
CFM
W
A
TTS
3
3
HI
-
-
-
-
-
-
1661
825
1608
795
1545
765
1487
735
1439
700
1333
670
MED
1603
850
1574
820
1535
780
1497
750
1449
720
1401
690
1352
665
1314
650
1227
610
LOW
1420
750
1391
725
1362
700
1323
675
1285
650
1246
625
1208
610
1179
600
1092
560
4
3
HI
-
-
-
-
1931
1010
1882
975
1839
945
1776
910
1709
825
1603
825
1478
775
MED
1748
910
1719
880
1680
850
1641
825
1608
800
1564
775
1507
740
1429
700
1343
660
LOW
1579
810
1555
780
1526
760
1502
740
1487
730
1458
715
1410
690
1352
660
1256
615
5
3
HI
-
-
-
-
2412
1400
2335
1350
2258
1300
2181
1250
2085
1190
1988
1135
1858
1065
MED
2306
1350
2268
1300
2220
1255
2167
1210
2114
1165
2056
1120
1993
1075
1921
1030
1834
970
LOW
2191
1320
2152
1270
2114
1220
2070
1170
2017
1110
1960
1070
1892
1020
1825
970
1748
920
1. Factory set on medium speed tap.
2. Includes allowances for a wet evaporator coil, 1” filters. Refer to STATIC RESISTANCES Table for resistance values.
3. Side Flow application (230/460/575 Volts)
TABLE 15: BELT DRIVE RPM SELECTION
Size
(Tons)
HP
Max
BHP
Motor
Sheave
Blower
Sheave
5 Turns
Open
4 Turns
Open
3 Turns
Open
2 Turns
Open
1 Turn
Open
Fully
Closed
036
(3)
1.5
1.73
1VL44
AK64
805
865
920
980
1035
1095
1.5
1.73
1VP56
AK66
1115
1170
1225
1280
1335
1390
048
(4)
1.5
1.73
1VL44
AK56
930
995
1060
1130
1195
1260
1.5
1.73
1VP56
AK61
1210
1270
1330
1390
1455
1515
060
(5)
1.5
1.73
1VL44
AK56
930
995
1060
1130
1195
1260
2
2.3
1VP56
AK56
1325
1395
1460
1525
1590
1660
TABLE 16: BELT DRIVE BLOWER MOTOR AND DRIVE DATA
Size
(Tons)
Motor
Motor Sheave
Blower Sheave
Belt
HP
RPM
Eff.
SF
Frame
Datum Dia.
(in.)
Bore (in.)
Model
Datum Dia.
(in.)
Bore (in.)
Model
036
(3.0)
1-1/2
1725
0.8
1.15
56
2.8 - 3.8
7/8
1VL44
6.0
1
AK64
A37
1-1/2
1725
0.8
1.15
56
4.0 - 5.0
7/8
1VP56
6.2
1
AK66
A39
048
(4.0)
1-1/2
1725
0.8
1.15
56
2.8 - 3.8
7/8
1VL44
5.2
1
AK56
A36
1-1/2
1725
0.8
1.15
56
4.0 - 5.0
7/8
1VP56
5.7
1
AK61
A38
060
(5.0)
1-1/2
1725
0.8
1.15
56
2.8 - 3.8
7/8
1VL44
5.2
1
AK56
A36
2
1725
0.8
1.15
56
4.0 - 5.0
7/8
1VP56
5.2
1
AK56
A38
TABLE 17: STATIC RESISTANCES
Description
Resistance, IWG
CFM
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
Economizer
1
2
1. Deduct these resistance values from the available external static pressure shown in SUPPLY AIR BLOWER PERFORMANCE Tables.
2. The pressure through the economizer is greater for 100% outdoor air than for 100% return air. If the resistance of the return air
duct system is less than 0.25 IWG, the unit will deliver less CFM during full economizer operation.
0.07
0.08
0.09
0.11
0.13
0.15
0.17
0.20
0.23
0.26
0.30
Electric
Heaters
1
7 - 15 kW
0.04
0.05
0.06
0.07
0.08
0.10
0.12
0.14
0.16
0.19
0.22
20 - 30 kW
0.06
0.07
0.08
0.09
0.11
0.13
0.15
0.17
0.20
0.23
0.26
Bottom Duct Connections
1
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.14
0.16
0.19
0.22