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Model
DSC
Blower
RPM
Range
Motor
1
Adjustable Motor Pulley
Fixed Blower Pulley
Super Belts
HP
Service
Factor
Frame
Size
Pitch
Diameter,
Inches
Bore
Inches
Pitch
Diameter,
Inches
Bore
Inches
Pitch
Length,
Inches
Desig-
nation
Qty.
360
780-940
10
1.15
215T
4.9-5.9
1-3/8
11
1-15/16
63.8
B62
2
924-1114
15
1.15
254T
5.8-7.0
1-5/8
11
1-15/16
63.8
B62
2
480
924-1114
15
1.15
254T
5.8-7.0
1-5/8
11
1-15/16
63.8
B62
2
1189
20
1.15
256T
7.2
2
1-5/8
10.6
1-15/16
62.9
C60
2
1
All motors are 1750 RPM, have solid bases, and require starters with overloads, which are factory supplied.
2
20 HP drive has a fixed motor pulley.
TABLE 9 - BLOWER MOTOR AND DRIVE DATA
Model DSC
Option or Accessory
Resistance (IWG) @ Designated CFM
9600
10800
12000
13200
14400
360
G400, G560 Gas Heat
.002
.028
.034
.041
.049
E040, 060, 080 100, 120 Electric Heat
.013
.016
.020
.024
.029
Exhaust Air
.022
.028
.035
.042
.050
Return Air Damper for Economizer End Duct Connection
.179
.226
.279
.338
.402
Return Air Damper for Economizer Side-by-Side Btm. Duct
.077
.097
.120
.145
.173
2" - 30% Efficient Filters
1
.007
.009
.011
.014
.016
Bag Type Filters
1
.056
.071
.089
.107
.127
End Duct Connections
2
.143
.181
.224
.271
.323
480
12800
14400
16000
17600
19200
G560 Gas Heat
.038
.049
.06
.073
.086
G800 Gas Heat
.051
.065
.08
.097
.115
E040, 060, 080 100, 120 Electric Heat
.026
.032
.04
.048
.058
Exhaust Air
.032
.041
.05
.061
.072
Return Air Damper for Economizer End Duct Connection
.102
.130
.16
.194
.230
Return Air Damper for Economizer Side-by-Side Btm. Duct
.064
.081
.10
.121
.144
2" - 30% Efficient Filters
1
.007
.011
.015
.018
.021
Bag Type Filters
1
.051
.091
.122
.136
.161
End Duct Connections
2
.384
.486
.60
.726
.864
1
These resistances include a deduction for 2" throwaway or cleanable filters.
2
Add these resistance values to the available static pressure shown in blower performance data table.
TABLE 10 - RESISTANCES FOR UNIT OPTIONS AND ACCESSORIES (1WG)
530.25-N3Y
Unitary Products Group
21