SIS Side Intake Filtered Fresh Air Supply Units
SKU#:
SIS Series
An economical fresh air supply unit designed as a practical method to meet NFPA 96 separation requirements between supply & exhaust air streams in restaurant applications. Also suitable for many other applications, such as schools and apartments.
- Easy on-site addition of customer supplied air supply duct extension between the intake hood and unit provides additional separation where necessary.
- Filters designed with large surface area for efficient filtration.
- Green weather resistant baked powder coat finish.
- Weather proof cabinet designed for outdoor roof mounting.
- Flexible forward curved belt drive blowers operate at low speed and low noise levels.
- Heavy duty ball bearings suitable for -65º to +250º F.
- Washable aluminum mesh filter are located in the intake hood (except SIS-20) and are accessible through the hood end cap for ease of service.
- SIS-20 has a drawer type filter section (not illustrated). The SIS-20 intake hood has a screened inlet.
| TYPICAL MAXIMUM CFM @ SP | ||||||||||||
| MODEL | 1/2” SP | 1” SP | 1 1/2” SP | 2" SP | 2 1/2" SP | Min HP | Max HP | |||||
| CFM | FEI | CFM | FEI | CFM | FEI | CFM | FEI | CFM | FEI | |||
| SIS-9 | 2300 | 0.64 | 2200 | 0.74 | 2000 | 0.84 | 1800 | 0.91 | 1600 | 0.96 | 1/4 | 1-1/2 |
| SIS-10 | 2700 | 0.67 | 2400 | 0.79 | 2200 | 0.87 | 1900 | 0.96 | 1700 | 0.99 | 1/4 | 1-1/2 |
| SIS-12 | 3600 | 0.62 | 3300 | 0.75 | 2900 | 0.86 | 2600 | 0.91 | 2100 | 0.88 | 1/4 | 2 |
| SIS-15 | 5300 | 0.61 | 4800 | 0.74 | 4400 | 0.85 | 3900 | 0.90 | 3500 | 0.92 | 1/2 | 3 |
| SIS-18 | 8300 | 0.60 | 7700 | 0.73 | 7100 | 0.81 | 6500 | 0.89 | 5800 | 0.93 | 1/2 | 5 |
| SIS-20 | 12500 | 0.46 | 11700 | 0.56 | 11000 | 0.64 | 10300 | 0.71 | 9500 | 0.76 | 2 | 10 |
| CFM values listed are summarized for convenience. For full performance data refer to our Delair program. | ||||||||||||
| Power rating (BHP) does not include transmission losses. Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effect of appurtenances (accessories). | ||||||||||||
| For expanded FEI dataclick here. | ||||||||||||
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| MODEL | A | B | D | E | F | G | H | L | M | Z | FILTERS | *INSIDE CABINET | UNIT WEIGHT (LBS) (without motors & drives) | |
| SIZE | QUANTITY | |||||||||||||
| SIS-9 | 24 3/8" | 19 3/8" | 10 1/4" | 11 13/16" | 6 9/32" | 7 1/16" | 7 1/16" | 19 1/4" | 16 9/16" | 21 1/4" | 16" x 24" x 1" | 1 | 24"x 24" | 70 |
| SIS-10 | 28 3/8" | 21 3/8" | 11 3/8" | 13 1/8" | 7 5/8" | 8 1/2" | 8 1/2" | 20 1/2" | 18 9/16" | 25 3/4" | 15" x 20" x 1" | 2 | 28"x 28" | 87 |
| SIS-12 | 32 3/8" | 24 5/8" | 13 7/16" | 15 5/8" | 8 3/8" | 9 15/32" | 9 15/32" | 25 3/8" | 21 9/16" | 30 3/4" | 20" x 25" x 1" & 16" x 25" x 1" | 1 & 1 | 32"x 32" | 117 |
| SIS-15 | 36 3/8" | 28 3/8" | 15 7/8" | 18 5/8" | 8 7/8" | 8" | 12 1/2" | 31 3/16" | 25 13/16" | 33 1/2" | 20" x 28 1/2" x 1" | 2 | 36"x 36" | 175 |
| SIS-18 | 36 3/8" | 42 1/2" | 18 7/8" | 21 7/8" | 7 1/4" | 6 1/4" | 11 1/4" | 35 5/8" | 32 11/16" | 40 1/4" | 20" x 25" x 1" & 16" x 25" x 1" | 2 & 2 | 36"x 36" | 262 |
| SIS-20 | 44 3/8" | 49" | 24 3/4" | 24 3/4" | 9 13/16" | 5 3/16" | 14 7/16" | 38 5/8" | 35 9/16" | 45 1/2"** | 20" x 25" x 1" | 6 | 44"x 44" | 497 |