292426-YIM-A-0307
Unitary Products Group
17
TABLE 9: BLOWER MOTOR AND DRIVE DATA
MODEL
BLOWER
RANGE
(RPM)
MOTOR
ADJUSTABLE MOTOR PULLEY
FIXED BLOWER PULLEY
BELT (NOTCHED)
HP
FRAME
DESIG-
NATION
OUTSIDE
DIA.
(IN.)
PITCH
DIA.
(IN.)
BORE
(IN.)
DESIG-
NATION
OUTSIDE
DIA.
(IN.)
PITCH
DIA.
(IN.)
BORE
(IN.)
DESIG-
NATION
PITCH
LENGTH
(IN.)
QTY.
060
810/1110
3/4
56
1VL44
3.1-4.1
2.8-3.8
5/8
AL64
6.2
5.8
3/4
A32
33.3
1
090
655/880
1-1/2
56
1VL44
2.1-4.1
2.8-3.8
7/8
AK79
7.9
7.5
1
A36
37.3
1
120
700/950
2
56
1VL44
3.1-4.1
2.8-3.8
7/8
BK80
7.4
7.0
1
A36
37.3
1
180
625/810
3
56
1VM50
3.7-4.7
3.4-4.4
7/8
BK105
9.9
9.5
1
A57
58.3
1
FIGURE 15 - PRESSURE DROP ACROSS A DRY EVAPORATOR COIL VS. SUPPLY AIR CFM
0
0.1
0.2
0.3
0.4
0.5
1500
2500
3500
4500
5500
6500
7500
CFM
Pressure Drop (IWG)
060
090
120
180
