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CHA-ST
Air Curtain

Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain

Steam

The CHA-HWST air door features hot water or steam heat in an air curtain designed to be discreetly placed in the ceiling above a door. The low-profile CHA-HWST requires less mounting space, and the controls can be accessed without first needing to remove the hot water/steam coils. This innovative design cuts down on installation and service time. The CHA-HWST can be used as an exception for vestibules as it has been tested in accordance with the ANSI/AMCA 220 standard. The CHA-HWST is architect-approved as the air curtain is hidden from view while still providing the performance and benefits expected from a traditional air curtain.

Get Unit Specs
CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain

Unit Sizing

Unit Width:
3' to 12'
Motor:
3/4 HP
Mount Type:
Above Ceiling
Max Install Height:
11'
Wind Stoppage Ability:
= 17.3mph
Thumbnail View 1 | CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain
Thumbnail View 2 | CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain
Thumbnail View 3 | CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain
Thumbnail View 4 | CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain

Key Design Features

  • White decorative intake grille with hinged access panel (consult factory for custom finishes)
  • 3/4 HP ODP (Open Drip Proof) direct-drive dual-speed motor(s)
  • High-efficiency discharge plenum with adjustable air foil vane (+/-20˚)
  • Coil made to AHRI Standard 410
  • Leak tested at 450 psi
  • Custom coil selections available (consult factory)

Air Curtain Controls

  • Activation by 24V magnetic door switch
  • Toggle disconnect switch
  • SmartTouch controller
  • Hot water or steam control valve with actuator
  • Filter (washable)

360 View

360 View | CHA-ST - Chameleon Vestibule Exception (CHA-ST) Recessed Steam Heated Air Curtain

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CHA-ST Air Curtain Downloads

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Individual Files

CHA-ST Air Curtain | Performance Table
Steam
MODELNozzle
Width (in.)		FPMCFMOutlet Velocity
Uniformity		Number of
Motors		Motor
HP		mbtu / HourTemp.
Rise (°F)		Weight
(lbs.)
CHA-1-36ST362757126891%13/45335.4113
CHA-1-48ST482674176591%13/470.236.5145
CHA-1-60ST602396184573%13/470.635.1180
CHA-2-72ST722757235691%23/4108.736.2249
CHA-2-84ST842708303391%23/4125.936.8281
CHA-2-96ST962674353091%23/4142.937.1306
CHA-2-108ST1082520361073%23/4134.334.1329
CHA-3-108ST1082757380491%33/4164.136.5365
CHA-3-120ST1202608412173%33/4181.136.8406
CHA-3-132ST1322696479891%33/419837470
CHA-4-144ST1442757507291%43/4219.136.5491
CHA-ST Air Curtain | Mechanical Information Table
MODEL Overall Width (in.) Nozzle Width (in.) Mounting Width (in.)
CHA-1-36ST 39 36 37.5
CHA-1-48ST 51 48 49.5
CHA-1-60ST 63 60 61.5
CHA-2-72ST 75.07 72.07 73.57
CHA-2-84ST 87.07 84.07 85.57
CHA-2-96ST 99.07 96.07 97.57
CHA-2-108ST 111.07 108.07 109.57
CHA-3-108ST 111.15 108.15 109.65
CHA-3-120ST 123.15 120.15 121.65
CHA-3-132ST 135.15 132.15 133.65
CHA-4-144ST 147.22 144.22 145.72