Mars WMH Unheated Series, Manual

Page: 19 / 24

Mars Wind Stopping 16-CSI-Spec Revised 10/15/2020
MARS AIR SYSTEMS, LLC
23 24 33.14 – 5
d. Mount Location Indicated.
3. Material:
a.
Provide 10-, 12-, and 14-gauge electro or hot dipped galvanized steel
sheet housing conforming to ASTM A 591 and/or ASTM A 653.
b. Provide type 304 stainless steel housing with brushed finish. ASTM A
240/A 240M.
4. Air Inlet Grille and/or Filters: Provide air inlet grille and/or filters specified.
5. Discharge: Provide integral discharge nozzle specified.
6. Finish and Color: Provide with, no VOC, corrosion resistant polyurethane
powder coated finish for sheet metal housings.
a.
Titanium Silver.
b. Obsidian Black.
c. Pearl White.
d. Stainless Steel.
C. Environmental and Flying Insect Control Air Curtains: Models for Heights up to 20 feet
(6096 mm) for Environmental Separation and Temperature Control and up to 18 feet
(5486 mm) for Flying Insect Control.
1.
Discharge Nozzle: Adjustable air foil vanes with a plus/minus 40-degree sweep
front to back.
2. Air Velocity at Nozzle:
a.
WMH 96-2: 99 Inch (2516 mm) Wide Units: 3732 feet/min (18.9 m/s)
two 5HP motor/fan assemblies.
b. WMH 120-2: 123 Inch (3126 mm) Wide Units: 4057 feet/min (20.6 m/s)
two 5HP motor/fan assemblies.
c. WMH 144-2: 147 Inch (3736 mm) Wide Units: 3816 feet/min (19.4 m/s)
two 7HP motor/fan assemblies.
d. WMH 168-3: 171 Inch (4346 mm) Wide Units: 3822 feet/min (19.4 m/s)
three 5HP motor/fan assemblies.
e. WMH 192-4: 195 Inch (4956 mm) Wide Units: 3722 feet/min (18.9 m/s)
four 5HP motor/fan assemblies.
3. Air Speed at Floor: Minimum of 300 fpm (1.53 m/s) at 3 feet (914 mm) from the
floor.
4. Air Inlet Grille and Filters:
a.
Location: Front.
b. Type: Fixed air intake grille.
1)
Expanded Metal: 85% open area.
c. Type: Filter Only as follows:
1)
Filter: Flat bank 2-inch, disposable.
2) Filter: V-bank 2-inch disposable.
3) Filter: V-bank 2-inch aluminum washable.
5. Sound Pressure Level At 10 feet (3 m) From Nozzle:
a.
Two Motor/Fan, 5HP Units: 69 dBA.
b. Two Motor/Fan, 7HP Units: 72 dBA.
c. Three Motor/Fan, 5HP Units: 70 dBA.
d. Three Motor/Fan, 7HP Units: 72 dBA.
e. Four Motor/Fan, 5HP Units: 72 dBA.