CHA

Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtains

Unheated

The CHA unheated air curtain has been tested in accordance with ANSI/AMCA 220 and meets the criteria for use as an exception to the vestibule requirement in Climate Zones 3 and above. It is specifically designed to be dropped into the ceiling above customer entryways where a standard air curtain is not desired .

At a Glance

Single Incremental Widths

3' to 12'

MAX Installation Height

14'

Heavy Duty Motors

3/4 HP

Key Design Features

  • 18-gauge galvanized steel case installed above the ceiling.
  • Heavy duty 3/4 HP motors. 1630 rpm each.
  • High efficiency discharge plenum ensures that air being discharged fills the entire width and height of the opening. This also lowers the operational sound level.
  • White powder coated decorative intake grille.
  • Directional air foil vane factory set to facilitate deflection of air stream +/- 20 degrees.
  • Includes control panel.

Recommended Controls

  • ON / OFF switch
  • Magnetic door switch for activation
  • Time delay relay

360 View

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Air Curtain Selector

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CHA | Performance Table
MODELNozzle
Width (in.)
Average Outlet
Velocity (FPM)
Air Flow
Rate (CFM)
Outlet Velocity
Uniformity
Power Rating
(kW)
Number of
Motors
Motor
HP
Weight
(lbs.)
CHA-1-36362987137491%0.6813/4179
CHA-1-48482674176591%0.8413/4195
CHA-1-60602396184573%0.8713/4225
CHA-2-72722987274891%1.3623/4358
CHA-2-84842808313991%1.5223/4371
CHA-2-96962674353091%1.6823/4384
CHA-2-1081082520361073%1.7133/4397
CHA-3-1081082987412291%2.0433/4537
CHA-3-1201202862451373%2.233/4550
CHA-3-1321322759490491%2.3633/4563
CHA-4-1441442987549691%2.5243/4716
CHA | Mechanical Information Table
MODELOverall Width
(in.)
Nozzle Width
(in.)
Mounting Width
(in.)
CHA-1-36393637.5
CHA-1-48514849.5
CHA-1-60636061.5
CHA-2-7275.0772.0773.57
CHA-2-8487.0784.0785.57
CHA-2-9699.0796.0797.57
CHA-2-108111.07108.07109.57
CHA-3-108111.15108.15109.65
CHA-3-120123.15120.15121.65
CHA-3-132135.15132.15133.65
CHA-4-144147.22144.22145.72