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364985-XIM-B-0508
Johnson Controls Unitary Products 27
TABLE 26: 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
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
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 27: 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 28: 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 29: 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