CHA
Air Curtain

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

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 .

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

Unit Sizing

Unit Widths:

from 3' to 12'

Motors:

3/4 HP

Mount Type:

Above Ceiling

Max Install Height:

14'

Wind Stoppage Ability:

= 17.3mph

Thumbnail View 1 | CHA - Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtain

Thumbnail View 2 | CHA - Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtain

Thumbnail View 3 | CHA - Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtain

Thumbnail View 4 | CHA - Chameleon Vestibule Exception (CHA) In-Ceiling Unheated Air Curtain

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 Air Curtain Controls

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

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Individual Files

CHA Air Curtain \| Performance Table
MODEL	Nozzle Width (in.)	Average Outlet Velocity (FPM)	Air Flow Rate (CFM)	Outlet Velocity Uniformity	Power Rating (kW)	Number of Motors	Motor HP	Weight (lbs.)
CHA-1-36	36	2757	1268	91%	0.61	1	3/4	179
CHA-1-48	48	2674	1765	91%	0.84	1	3/4	195
CHA-1-60	60	2396	1845	73%	0.87	1	3/4	225
CHA-2-72	72	2757	2356	91%	1.22	2	3/4	358
CHA-2-84	84	2708	3033	91%	1.45	2	3/4	371
CHA-2-96	96	2674	3530	91%	1.68	2	3/4	384
CHA-2-108	108	2520	3610	73%	1.71	3	3/4	397
CHA-3-108	108	2757	3804	91%	1.83	3	3/4	537
CHA-3-120	120	2608	4121	73%	2.06	3	3/4	550
CHA-3-132	132	2696	4798	91%	2.29	3	3/4	563
CHA-4-144	144	2757	5072	91%	2.44	4	3/4	716

CHA Air Curtain \| Mechanical Information Table
MODEL	Overall Width (in.)	Nozzle Width (in.)	Mounting Width (in.)
CHA-1-36	39	36	37.5
CHA-1-48	51	48	49.5
CHA-1-60	63	60	61.5
CHA-2-72	75.07	72.07	73.57
CHA-2-84	87.07	84.07	85.57
CHA-2-96	99.07	96.07	97.57
CHA-2-108	111.07	108.07	109.57
CHA-3-108	111.15	108.15	109.65
CHA-3-120	123.15	120.15	121.65
CHA-3-132	135.15	132.15	133.65
CHA-4-144	147.22	144.22	145.72