Exposed Vestibule Exception (ETA-E) Electrically Heated Air Curtains

The ETA-E electrically heated air curtain provides a heated option of the ETA. This air curtain has been tested in accordance with ANSI/AMCA 220 and meets the criteria to be used as an exception to vestibules. The ETA-E provides electric heat from its blower, helping to create a warmer interior climate and enhanced comfort for workers/customers. The unit is designed for all retail, grocery and office entryways as well as other applications that typically would require a vestibule. This commercial line’s stainless-steel construction, stainless-steel intake screen, and 45-degree beveled edges give it a modern, aesthetically pleasing look.

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ETA-E - Exposed Vestibule Exception (ETA-E) Electrically Heated Air Curtains

Unit Sizing

Unit Widths:

from 3' to 14'

Motors:

3/4 HP

Mount Type:

Exposed

Max Install Height:

14'

Wind Stoppage Ability:

= 17.3mph

Key Design Features

Stainless steel case is 18 gauge 304 stainless steel in a number three finish
Can be used as an exception to vestibules
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
Heating elements are mounted inside the plenum, on the discharge side of the blowers. Here, heat won’t affect motor life and the heaters are protected from dust that would accumulate on them if they were mounted on the air intake

Recommended Controls

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

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ETA-E Downloads

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Individual Files

ETA-E \| Performance Table
									Electric Heat
MODEL	Nozzle Width (in.)	Max FPM at Nozzle	Avg. Outlet Velocity (FPM)	Airflow Rate (CFM)	Outlet Velocity Uniformity	Power Rating (kW)	Number of Motors	Motor HP	Heater kW	Temp. Rise (˚F)	Weight (lbs)
ETA-1-36E	36	5654	1845	1310	82%	0.68	1	3/4	10	24.4	95
ETA-1-42E	42	5321	1903	1503	83%	0.71	1	3/4	10	21.2	102
ETA-1-48E	48	5296	1514	1438	85%	0.72	1	3/4	10	22.2	109
ETA-1-60E	60	5288	1343	1665	79%	0.78	1	3/4	10	19.2	121
ETA-2-72E	72	5654	1845	2620	82%	1.36	2	3/4	20	24.4	177
ETA-2-84E	84	5321	1903	3006	83%	1.42	2	3/4	20	21.2	195
ETA-2-96E	96	5296	1514	2876	85%	1.44	2	3/4	20	22.2	210
ETA-3-108E	108	5654	1845	3930	82%	2.04	3	3/4	30	24.4	255
ETA-3-120E	118	5340	1886	4316	82%	2.1	3	3/4	30	22.2	284
ETA-3-132E	133	5305	1617	4285	79%	2.14	3	3/4	30	22.4	301
ETA-4-144E	145	5654	1845	5240	82%	2.72	4	3/4	40	24.4	354
ETA-4-156E	157	5648	1876	5626	82%	2.78	4	3/4	40	22.7	372
ETA-4-168E	169	5321	1903	6012	83%	2.84	4	3/4	40	21.2	390

ETA-E \| Mechanical Information Table
MODEL	Overall Width (in.)	Nozzle Width (in.)	Mounting Width (in.)
ETA-1-36E	37	36	36.06
ETA-1-42E	43	42	42.06
ETA-1-48E	49	48	48.06
ETA-1-60E	61	60	60.06
ETA-2-72E	73	72	72.06
ETA-2-84E	85	84	84.06
ETA-2-96E	97	96	96.06
ETA-3-108E	109	108	108.06
ETA-3-120E	119	118	118.06
ETA-3-132E	134	133	133.06
ETA-4-144E	146	145	145.06
ETA-4-156E	158	157	157.06
ETA-4-168E	170	169	169.06