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036-21490-002-A-0204
TABLE 8: BLOWER PERFORMANCE 20 TON SUPPLY AIR
BOTTOM DUCT CONNECTIONS
MOTOR
BLOWER
PULLEY
SPEED,
(TURNS
(RPM)
OPEN)*
ESP
208 VOLT AND STANDARD DRIVE
870
6.0**
0.3
900
5.0
0.7
930
4.0
1.0
950
3.0
1.2
980
2.0
1.5
1015
1.0
1.8
208 VOLT AND HIGH SPEED DRIVE
950
6.0
1.2
980
5.0
1.5
1010
4.0
1.7
1020
3.5
1.8
1035
3.0
1.9
1050
2.5
2.0
1075
2.0
2.2
1100
1.0
2.3
230/460/575 VOLT AND STANDARD DRIVE
870
6.0**
0.3
900
5.0
0.7
930
4.0
1.0
950
3.5
1.2
980
2.5
1.5
1015
1.5
1.8
1025
1.0
1.9
230/460/575 VOLT AND HIGH SPEED DRIVE
950
6.0
1.2
980
5.0
1.5
1015
4.0
1.8
1035
3.5
1.9
1050
3.0
2.0
1080
2.0
2.2
1100
1.5
2.3
1120
1.0
2.4
NOTES:
1.
Blower performance includes fixed outdoor air, 2" T/A filters, a dry indoor coil
and no electric heat.
2.
Refer to page 20 for additional static resistances.
ESP - External Static Pressure available for the supply and return air duct sys-
tem. All internal unit resistances have been deducted from the total static pres-
sure of the blower.
*
Do NOT close the pulley below 1 turn open.
**
Factory setting.
Unitary Products Group
6000
7000
BHP
KW
ESP
BHP
2.1
1.8
-
-
3.2
2.7
0.4
3.5
4.1
3.4
0.8
4.5
4.6
3.9
1.0
5.1
5.3
4.5
1.3
5.8
5.9
5.0
1.6
6.5
4.6
3.9
1.0
5.1
5.3
4.5
1.3
5.8
5.8
4.9
1.6
6.3
6.1
5.1
1.7
6.5
6.2
5.2
1.8
6.8
6.4
5.4
1.9
7.0
6.6
5.5
2.0
7.2
6.7
5.6
2.1
7.3
2.1
1.8
-
-
3.2
2.7
0.4
3.5
4.1
3.4
0.8
4.5
4.6
3.9
1.0
5.1
5.3
4.5
1.3
5.8
5.9
5.0
1.6
6.5
6.1
5.1
1.7
6.6
4.6
3.9
1.0
5.1
5.3
4.5
1.3
5.8
5.9
5.0
1.6
6.5
6.2
5.2
1.8
6.8
6.4
5.4
1.9
7.0
6.6
5.5
2.0
7.2
6.7
5.6
2.1
7.3
6.8
5.7
2.2
7.4
CFM
8000
KW
ESP
BHP
KW
-
-
-
-
2.9
0.1
3.8
3.2
3.8
0.5
4.9
4.1
4.3
0.7
5.5
4.6
4.9
1.1
6.3
5.3
5.5
1.4
7.0
5.9
4.3
0.7
5.5
4.6
4.9
1.1
6.3
5.3
5.3
1.4
6.9
5.8
5.5
1.5
7.1
6.0
5.7
1.6
7.4
6.2
5.9
1.7
7.6
6.4
6.0
1.8
7.8
6.6
6.1
2.0
7.9
6.7
-
-
-
-
2.9
0.1
3.8
3.2
3.8
0.5
4.9
4.1
4.3
0.7
5.5
4.6
4.9
1.1
6.3
5.3
5.5
1.4
7.0
5.9
5.6
1.5
7.3
6.1
4.3
0.7
5.5
4.6
4.9
1.1
6.3
5.3
5.5
1.4
7.0
5.9
5.7
1.6
7.4
6.2
5.9
1.7
7.6
6.4
6.0
1.8
7.8
6.6
6.1
2.0
7.9
6.7
6.2
2.1
8.1
6.8
9000
ESP
BHP
KW
ESP
-
-
-
-
-
-
-
-
-
-
-
-
0.3
5.9
5.0
-
0.6
6.9
5.8
0.1
0.9
7.7
6.5
0.5
0.3
5.9
5.0
-
0.6
6.9
5.8
0.1
0.9
7.5
6.3
0.4
1.0
7.8
6.6
0.5
1.1
8.1
6.8
0.6
1.2
8.3
7.0
-
1.4
8.6
7.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.3
5.9
5.0
-
0.6
6.9
5.8
0.1
0.9
7.7
6.5
0.5
1.0
7.9
6.7
0.6
0.3
5.9
5.0
-
0.6
6.9
5.8
0.1
0.9
7.7
6.5
0.5
1.0
8.1
6.8
0.6
1.2
8.3
7.0
-
1.4
8.6
7.2
-
-
-
-
-
-
-
-
-
9400
BHP
KW
-
-
-
-
-
-
-
-
7.3
6.1
8.2
6.9
-
-
7.3
6.1
7.9
6.7
8.3
7.0
8.6
7.3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7.3
6.1
8.2
6.9
8.6
7.3
-
-
7.3
6.1
8.2
6.9
8.6
7.3
-
-
-
-
-
-
-
-
19
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