035-18940-000-B-1003
Unitary Products Group
27
NOTES: 1.Blower performance includes fixed outdoor air, 2” T/A filters, a dry evaporator coil and no electric heat.
2.Refer to Table 15 for additional static resistances.
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 11: SUPPLY AIR BLOWER PERFORMANCE (20 TON) - COOLING ONLY
240 MBH - BOTTOM DUCT CONNECTIONS
BLOWER
SPEED,
(RPM)
MOTOR
PULLEY
(TURNS
OPEN)*
AIRFLOW
2.80 m
3
/s
3.30 m
3
/s
3.80 m
3
/s
4.10 m
3
/s
4.40 m
3
/s
ESP
(Pa)
Output
(kW)
Input
(kW)
ESP
(Pa)
Output
(kW)
Input
(kW)
ESP
(Pa)
Output
(kW)
Input
(kW)
ESP
(Pa)
Output
(kW)
Input
(kW)
ESP
(Pa)
Output
(kW)
Input
(kW)
STANDARD DRIVE (m
3
/s)
765
6.0
137
2.9
3.3
93
2.9
3.3
23
3.2
3.7
-
-
-
-
-
-
795
5.0
176
3.0
3.4
132
3.1
3.5
62
3.4
3.9
-
-
-
-
-
-
820
4.0
209
3.1
3.6
165
3.2
3.7
95
3.6
4.1
40
4.0
4.5
-
-
-
850
3.0
250
3.3
3.8
206
3.4
3.9
136
3.8
4.4
81
4.2
4.8
16
4.7
5.3
875
2.0
284
3.4
3.9
240
3.6
4.1
170
4.0
4.6
115
4.4
5.0
51
4.9
5.6
905
1.0
327
3.6
4.1
283
3.8
4.3
212
4.3
4.9
157
4.7
5.3
93
5.2
5.9
HIGH SPEED DRIVE (m
3
/s)
895
6.0
312
3.5
4.0
268
3.7
4.3
198
4.2
4.8
143
4.6
5.2
79
5.1
5.8
930
5.0
362
3.7
4.3
318
4.0
4.5
248
4.5
5.1
193
4.9
5.6
129
5.4
6.2
970
4.0
421
4.0
4.5
377
4.2
4.9
306
4.8
5.5
252
5.2
6.0
187
5.8
6.6
1005
3.0
473
4.2
4.8
429
4.5
5.1
359
5.1
5.8
304
5.6
6.4
240
6.1
7.0
1045
2.0
535
4.4
5.0
491
4.8
5.5
420
5.4
6.2
365
5.9
6.8
-
-
-
1080
1.0
590
4.6
5.3
546
5.0
5.8
475
5.7
6.5
420
6.2
7.1
-
-
-
BLOWER
SPEED,
(RPM)
MOTOR
PULLEY
(TURNS
OPEN)*
AIRFLOW
5930 CFM
6990 CFM
8050 CFM
8685 CFM
9320 CFM
ESP
(iwg)
Output
(bhp)
Input
(kW)
ESP
(iwg)
Output
(bhp)
Input
(kW)
ESP
(iwg)
Output
(bhp)
Input
(kW)
ESP
(iwg)
Output
(bhp)
Input
(kW)
ESP
(iwg)
Output
(bhp)
Input
(kW)
STANDARD DRIVE (CFM)
765
6.0
0.6
3.8
3.3
0.4
3.9
3.3
0.1
4.3
3.7
-
-
-
-
-
-
795
5.0
0.7
4.0
3.4
0.5
4.1
3.5
0.2
4.6
3.9
-
-
-
-
-
-
820
4.0
0.8
4.2
3.6
0.7
4.4
3.7
0.4
4.8
4.1
0.2
5.3
4.5
-
-
-
850
3.0
1.0
4.4
3.8
0.8
4.6
3.9
0.5
5.1
4.4
0.3
5.6
4.8
0.1
6.2
5.3
875
2.0
1.1
4.6
3.9
1.0
4.8
4.1
0.7
5.4
4.6
0.5
5.9
5.0
0.2
6.6
5.6
905
1.0
1.3
4.8
4.1
1.1
5.1
4.3
0.9
5.7
4.9
0.6
6.3
5.3
0.4
6.9
5.9
HIGH SPEED DRIVE (CFM)
895
6.0
1.3
4.7
4.0
1.1
5.0
4.3
0.8
5.6
4.8
0.6
6.1
5.2
0.3
6.8
5.8
930
5.0
1.5
5.0
4.3
1.3
5.3
4.5
1.0
6.0
5.1
0.8
6.6
5.6
0.5
7.2
6.2
970
4.0
1.7
5.3
4.5
1.5
5.7
4.9
1.2
6.4
5.5
1.0
7.0
6.0
0.8
7.8
6.6
1005
3.0
1.9
5.6
4.8
1.7
6.0
5.1
1.4
6.8
5.8
1.2
7.4
6.4
1.0
8.2
7.0
1045
2.0
2.1
5.9
5.0
2.0
6.4
5.5
1.7
7.3
6.2
1.5
7.9
6.8
-
-
-
1080
1.0
2.4
6.2
5.3
2.2
6.8
5.8
1.9
7.7
6.5
1.7
8.4
7.1
-
-
-
