TABLE 27: 12-1/2 TON STANDARD MOTOR SIDE SHOT BLOWER PERFORMANCE* †
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| TURNS OPEN** |
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ESP‡ |
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| CFM | W†† | BHP | CFM | W†† | BHP | CFM | W†† |
| BHP | CFM |
| W†† | BHP | CFM | W†† | BHP | CFM | W†† | BHP |
0.4 |
| - | - | - | - | - | - | 5201 | 3162 |
| 3.39 | 4966 |
| 2796 | 3.00 | 4681 | 2405 | 2.58 | 4355 | 2054 | 2.20 |
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0.6 |
| - | - | - | 5220 | 3395 | 3.64 | 4942 | 2980 |
| 3.20 | 4657 |
| 2608 | 2.80 | 4358 | 2230 | 2.39 | 4007 | 1890 | 2.03 |
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0.8 |
| - | - | - | 4944 | 3194 | 3.43 | 4661 | 2806 |
| 3.01 | 4378 |
| 2572 | 2.76 | 4016 | 2057 | 2.21 | - | - | - |
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1.0 |
| 5003 | 3490 | 3.74 | 4647 | 2988 | 3.20 | 4380 | 2636 |
| 2.83 | 4030 |
| 2257 | 2.42 | - | - | - | - | - | - |
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1.2 |
| 4724 | 3290 | 3.53 | 4363 | 2875 | 3.08 | 4012 | 2505 |
| 2.69 | - |
| - | - | - | - | - | - | - | - |
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1.4 |
| 4428 | 3040 | 3.26 | - | - | - | - | - |
| - | - |
| - | - | - | - | - | - | - | - |
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*. Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
†.Blower performance includes
‡.ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total static pressure of the blower.
**. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
††.W = Watts
TABLE 28: 12-1/2 TON OPTIONAL MOTOR SIDE SHOT BLOWER PERFORMANCE* †
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| TURNS OPEN** |
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ESP‡ |
| 0 |
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| CFM | W†† | BHP | CFM | W†† | BHP | CFM | W†† | BHP | CFM | W†† | BHP | CFM | W†† | BHP | CFM | W†† | BHP |
0.4 |
| - | - | - | 6447 | 5315 | 5.70 | 6207 | 4760 | 5.1046 | 5966 | 4205 | 4.51 | 5717 | 3716 | 3.98 | 5470 | 3307 | 3.55 |
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0.6 |
| - | - | - | 6110 | 4917 | 5.27 | 5965 | 4464 | 4.79 | 5740 | 4023 | 4.31 | 5430 | 3501 | 3.75 | 5126 | 3054 | 3.28 |
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0.8 |
| - | - | - | 5772 | 4519 | 4.85 | 5741 | 4274 | 4.58 | 5503 | 3821 | 4.10 | 5162 | 3294 | 3.53 | 4849 | 2870 | 3.08 |
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1.0 |
| 6235 | 5521 | 5.92 | 5628 | 4407 | 4.73 | 5474 | 4048 | 4.34 | 5244 | 3611 | 3.87 | 4882 | 3101 | 3.33 | 4530 | 2667 | 2.86 |
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1.2 |
| 5881 | 5137 | 5.51 | 5384 | 4205 | 4.51 | 5248 | 3854 | 4.13 | 4941 | 3387 | 3.63 | 4589 | 2906 | 3.12 | 4225 | 2502 | 2.68 |
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1.4 |
| 5695 | 4950 | 5.31 | 5123 | 3996 | 4.29 | 5014 | 3670 | 3.94 | 4651 | 3178 | 3.41 | 4284 | 2716 | 2.91 | 3858 | 2280 | 2.45 |
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1.6 |
| 5471 | 4728 | 5.07 | 4919 | 3828 | 4.11 | 4732 | 3460 | 3.71 | 4365 | 2983 | 3.20 | 3951 | 2516 | 2.70 | 3491 | 2058 | 2.21 |
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1.8 |
| 5242 | 4514 | 4.84 | 4656 | 3611 | 3.87 | 4438 | 3240 | 3.47 | 3998 | 2740 | 2.94 | 3618 | 2316 | 2.48 | - | - | - |
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2.0 |
| 4954 | 4231 | 4.54 | 4339 | 3380 | 3.62 | 3905 | 2861 | 3.07 | 3631 | 2497 | 2.68 | - | - | - | - | - | - |
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2.2 |
| 4585 | 3934 | 4.22 | 4022 | 3149 | 3.38 | - | - | - | - | - | - | - | - | - | - | - | - |
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2.4 |
| 4217 | 3637 | 3.90 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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2.6 |
| 3848 | 3340 | 3.58 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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*. Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
†.Blower performance includes
‡.ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total static pressure of the blower.
**. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
††.W = Watts
NOTES FOR TABLE 17 THROUGH TABLE 28:
• | Blower performance includes dry coil and | • | ESP (External Static Pressure) given is that available for |
| filters. |
| the supply and return air duct system. All internal resis- |
• | Blower performance for gas heat includes the maximum |
| tances have been deducted from the total static pressure |
| number of heat tubes available for each tonnage. |
| of the blower. |
30 | Unitary Products Group |
