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175244-BIM-A-0706
Unitary Products Group
43
* Factory Setting
Power Exhaust motor is a 3/4 HP, PSC type with sleeve bearings, a 48 frame and inherent protection.
TABLE 27: STATIC RESISTANCES
1
DESCRIPTION
RESISTANCE, IWG
CFM
15 TON
20 TON
25 TON
4500
6000
7500
6000
8000
9000
7500
8000
9300
WET INDOOR COIL
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.2
RECLAIM COIL OPTIONS
2 ROW
0.1
0.2
0.2
0.2
0.3
0.3
0.2
0.3
0.3
3 ROW
0.2
0.3
0.4
0.3
0.4
0.5
0.4
0.4
0.5
ELECTRIC HEAT OPTIONS
18 KW
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
36 KW
0.1
0.2
0.3
0.2
0.3
0.3
0.3
0.3
0.3
54 KW
0.2
0.3
0.4
0.3
0.4
0.4
0.4
0.4
0.4
72 KW
0.2
0.4
0.6
0.4
0.5
0.6
0.6
0.6
0.6
ECONOMIZER OPTION
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.
Deduct these resistance values from the available external static pressures shown in the respective Blower Performance Table.
TABLE 28: POWER EXHAUST PERFORMANCE
MOTOR
SPEED
STATIC RESISTANCE OF RETURN DUCTWORK, IWG
0.2
0.3
0.4
0.5
0.6
CFM
KW
CFM
KW
CFM
KW
CFM
KW
CFM
KW
HIGH*
5250
0.83
4500
0.85
4200
0.88
3750
0.93
3000
0.99
MEDIUM
4900
0.77
3900
0.79
3500
0.82
2900
0.85
-
-
LOW
4400
0.72
3700
0.74
3000
0.78
-
-
-
-
TABLE 29: BLOWER MOTOR AND DRIVE DATA
MODEL
SIZE
DRIVE
BLOWER
RANGE
(RPM)
MOTOR
1
ADJUSTABLE MOTOR PULLEY
FIXED BLOWER PULLEY
BELT
(NOTCHED)
HP FRAME
EFF.
(%)
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.
15 TON
Standard
795/970
5
184 T
89.5
1VP62
5.95
4.9-5.9
2
1-1/8
BK105
10.25
9.9
1
BX81
82.8
1
High Speed
Access
935/1140
7.5
213 T
91
1VP62
5.95
4.9-5.9
1-3/8
BK90
8.75
8.4
1
BX81
82.8
1
20 TON
Low
850/1010
7.5
213T
91
1VP68
6.55
5.5-6.5
1-3/8
BK110
10.75
10.4
1-3/16
BX81
82.8
1
Standard
850/1010
10
215T
91
1VP68
6.55
5.5-6.5
1-3/8
BK110
10.75
10.4
1-3/16
BX81
82.8
1
High Speed
Access
930/1110
10
215 T
91
1VP68
6.55
5.5-6.5
1-3/8
BK100
9.75
9.4
1-3/16
BX81
82.8
1
25 TON
Low
915/1100
7.5
213T
91
1VP65
6.5
4.8-6.0
1-3/8
1B5V94
9.7
9.5
1-3/16
BX78
79.8
1
Standard
915/1100
15
254T
91
1VP65
6.5
4.8-6.0
1-5/8
1B5V94
9.7
9.5
1-7/16
BX78
79.8
1
High Speed
Access
1015/1200 15
254 T
91
1VP71
7.1
5.4-6.6
1-5/8
1B5V94
9.7
9.5
1-7/16
BX81
82.8
1
1.
All motors have a nominal speed of 1800 RPM, a 1.15 service factor and a solid base. They can operate to the limit of their service factor because
they are located in the moving air, upstream of any heating device.
2.
Do NOT close this pulley below 1 turn open.
Содержание WW-15
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