14 supply air blower performance (20 ton), Gas heat 240 mbh - bottom duct, Connections – York DH 300 User Manual
Page 25
262260-YTG-E-1008
Johnson Controls Unitary Products
25
NOTES:
1. Blower performance includes a gas-fired heat exchanger, fixed outdoor air, two-inch T/A filters and a dry evaporator coil.
2. Refer to the additional Static Resistances table.
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the
total static pressure of the blower.
* Do NOT close the pulley below 1 turn open.
** Factory setting.
TABLE 14: SUPPLY AIR BLOWER PERFORMANCE (20 TON) - GAS HEAT
240 MBH - BOTTOM DUCT CONNECTIONS
BLOWER
SPEED,
(RPM)
MOTOR
PULLEY
(TURNS
OPEN)*
CFM
6000
7000
8000
9000
9400
ESP
BHP
KW
ESP
BHP
KW
ESP
BHP
KW
ESP
BHP
KW
ESP
BHP
KW
208 VOLT AND STANDARD DRIVE
870
6.0**
1.3
3.6
3.0
0.7
4.3
3.7
0.2
5.1
4.3
-
-
-
-
-
-
900
5.0
1.4
3.8
3.2
0.9
4.7
4.0
0.4
5.6
4.7
-
-
-
-
-
-
930
4.0
1.6
4.1
3.4
1.1
5.0
4.2
0.6
5.9
5.0
0.1
6.7
5.7
-
-
-
950
3.0
1.7
4.2
3.6
1.3
5.1
4.3
0.8
6.0
5.1
0.2
6.9
5.8
-
-
-
980
2.0
1.9
4.5
3.8
1.5
5.4
4.5
1.0
6.3
5.3
0.4
7.2
6.1
0.1
8.5
7.1
995
1.5
2.1
4.6
3.9
1.6
5.5
4.7
1.1
6.4
5.4
0.5
7.5
6.3
0.2
8.6
7.3
1015
1.0
2.2
4.8
4.0
1.7
4.7
4.8
1.2
6.6
5.6
0.7
7.8
6.6
-
-
-
208 VOLT AND HIGH STATIC DRIVE
950
6.0
1.7
4.2
3.6
1.3
5.1
4.3
0.8
6.0
5.1
0.2
6.9
5.8
-
-
-
980
5.0
1.9
4.5
3.8
1.5
5.4
4.5
1.0
6.3
5.3
0.4
7.2
6.1
0.1
8.5
7.1
995
4.5
2.1
4.5
3.9
1.6
5.5
4.7
1.1
6.4
5.4
0.5
7.5
6.3
0.2
8.6
7.3
1025
3.5
2.3
4.9
4.1
1.8
5.8
4.9
1.3
6.7
5.7
0.7
8.0
6.7
-
-
-
1050
2.5
2.5
5.1
4.3
2.0
6.1
5.1
1.4
7.1
6.0
0.9
8.4
7.0
-
-
-
1065
2.0
2.6
5.3
4.4
2.1
6.3
5.3
1.5
7.3
6.2
1.0
8.6
7.2
-
-
-
1100
1.0
2.9
5.6
4.7
2.3
6.8
5.7
1.8
7.9
6.6
-
-
-
-
-
-
230/460/575 VOLT AND STANDARD DRIVE
870
6.0**
1.3
3.6
3.0
0.7
4.3
3.7
0.2
5.1
4.3
-
-
-
-
-
-
900
5.0
1.4
3.8
3.2
0.9
4.7
4.0
0.4
5.6
4.7
-
-
-
-
-
-
930
4.0
1.6
4.1
3.4
1.1
5.0
4.2
0.6
5.9
5.0
0.1
6.7
5.7
-
-
-
950
3.5
1.7
4.2
3.6
1.3
5.1
4.3
0.8
6.0
5.1
0.2
6.9
5.8
-
-
-
965
2.5
1.9
4.5
3.8
1.5
5.4
4.5
1.0
6.3
5.3
0.4
7.2
6.1
0.1
8.5
7.1
995
2.0
2.1
4.6
3.9
1.6
5.5
4.7
1.1
6.4
5.4
0.5
7.5
6.3
0.2
8.6
7.3
1015
1.5
2.2
4.8
4.0
1.7
5.7
4.8
1.2
6.6
5.6
0.6
7.8
6.6
-
-
-
1025
1.0
2.3
4.9
4.1
1.8
5.8
4.9
1.3
6.7
5.7
0.7
8.0
6.7
-
-
-
230/460/575 VOLT AND HIGH STATIC DRIVE
950
6.0
1.7
4.2
3.6
1.3
5.1
4.3
0.8
6.0
5.1
0.2
6.9
5.8
-
-
-
980
5.0
1.9
4.5
3.8
1.5
5.4
4.5
1.0
6.3
5.3
0.4
7.2
6.1
0.1
8.5
7.1
995
4.5
2.1
4.6
3.9
1.6
5.5
4.7
1.1
6.4
5.4
0.5
7.5
6.3
0.2
8.6
7.3
1015
4.0
2.2
4.8
4.0
1.7
5.7
4.8
1.2
6.6
5.6
0.6
7.8
6.6
-
-
-
1025
3.5
2.3
4.9
4.1
1.8
5.8
4.9
1.3
6.7
5.7
0.7
8.0
6.7
-
-
-
1050
3.0
2.5
5.1
4.3
2.0
6.1
5.1
1.4
7.1
6.0
0.9
8.4
7.0
-
-
-
1065
2.5
2.6
5.3
4.4
2.1
6.3
5.3
1.5
7.3
6.2
1.0
8.6
7.2
-
-
-
1100
1.5
2.9
5.6
4.7
2.3
6.8
4.7
1.8
7.9
6.6
-
-
-
-
-
-
1120
1.0
3.1
5.8
4.9
2.5
7.0
5.9
1.9
8.3
6.9
-
-
-
-
-