Mars Standard Series 2-CSI-Spec
Revised 2/3/2021
MARS AIR SYSTEMS, LLC
23 34 33 – 5
j.
Electrical Characteristics: 575V AC, three-phase; 0.65 Amp full load per
motor/fan.
k.
Meets NEC. ETL Listed to conform to UL 507 (US) and CSA22.2
(Canada) Standards. AMCA 211 Certified.
2.
Fans: Forward curved centrifugal type, double width, and double inlet design,
directly driven to an electric motor.
a.
Provide resilient isolation dampening mountings between motor frame
and motor mounting pan.
b.
Factory balanced blower wheel assembly statically and dynamically.
B.
Housing: Self-contained one-piece type with sufficient strength for mounting from pre-
punched mounting holes at both ends to adjacent walls or ceiling without intermediate
support.
1.
Size:
a.
Unheated: 12-3/4 inches deep by 10-5/8 inches high (including discharge
nozzle) by width of unit.
b.
Electric Heated: 17-3/8 inches deep by 10-5/8 inches high (including
discharge nozzle) by width of unit.
c.
Hot Water/Steam Heated: Depth 17-3/8 inches single row and double
row by 10-5/8 inches high including discharge nozzle by width of unit
plus 10 inches for manifolds.
2.
Mounting:
a.
Unheated Inside Mount.
b.
Heated Inside Mount.
c.
Unheated Outside Mount.
d.
Mount Location Indicated.
3.
Material:
a.
Provide 18- and 20-gauge electro or hot dipped galvanized steel sheet
housing conforming to ASTM A 879 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.
Obsidian Black.
b.
Pearl White.
c.
Titanium Silver.
d.
Stainless Steel.
C.
Environmental Air Curtains: Models for Heights to 12 feet (3656 mm) for Environmental
Separation and Temperature Control and up to 10 feet (3048 mm) for Flying Insect
Control (STD2 series)
1.
Discharge Nozzle: Wedge-shaped discharge outlet nozzle with adjustable air foil
vanes with a plus/minus 40-degree sweep front to back.
2.
Air Velocity at Nozzle:
a.
STD236-1: 36 Inch (915 mm) Wide Units: 2206 feet/min (11.2 m/s)
single 1/2HP motor/fan assembly.