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ENVIRONMENTAL ENCLOSURES FOR STROBES

STI-1229HTR

Now there is a way to protect your signaling device located where temperature or environmental conditions exceed the suggested operation range.  This protective cover with heater assembly for strobe appliances, is UL/cUL/ULC Listed to NEMA 4X Standards. Thermostatically controlled heater and a continuous duty fan maintain a uniform temperature in the cover when located in a cold environment.  Applications include, but are not limited to, refrigerators, freezers, meat packaging plants, arctic environments, ocean rigs, slaughter houses, etc.  UL and ULC Listed down to -70ºF (-57ºC) applicable both indoor and outdoor.

Certain Models Only

FILE E228169

Certain Models Only

FEATURES

• Maintains operating strobe appliance temperature with external temperatures to -70ºF (-57ºC).

• For use in areas where temperature or environmental conditions exceed the operational range of fire UL Listed strobe signaling devices.

• Protects ADA compliant strobes to UL 1971 Standards.

• The thick, clear polycarbonate cover is UV-stabilized against discoloration.

• Enables ADA compliance for visual fire protection systems where freezing temperatures or other hard conditions exceed the operating limits of strobe signal devices.

• Enclosure rated to NEMA 4X Standards.  Heater assembly rated to -70ºF (-57ºC).

• ULC Listing is for specific strobes only.

• Heater units cycle as required to maintain the correct range of operating temperatures.
• Prevents build up of snow on the unit or entry of moisture in wash down areas to assure that strobes remain clearly visible.
• Fan runs continuously to maintain a uniform temperature inside the enclosure.
• Polycarbonate backed by a lifetime warranty against breakage in normal use, one year on electronics.
• CSFM requires local approval only.
• For quality control each unit is tested for two hours before shipping.
• UL/ULC ambient rating -70ºF (-57ºC) to 120ºF (+49ºC) indoors or outdoors.
• Hazardous Listed for Electrical Class II, Groups F&G, Div. 2 (dust-tight) and Class III.

DIMENSIONS AND TECHNICAL INFORMATION

DIMENSIONS AND TECHNICAL INFORMATION

MODELS AVAILABLE

WARNINGS

The enclosure is used to protect UL Listed 1638 and 1971 visual notification appliances at temperatures down to -70ºF (-57ºC).  It is the installer's responsibility to comply with NFPA 72, NEC, and other applicable fire and electrical codes.  Conduit or raceway paths need to be sealed as near to the enclosure as possible.  Installer should have maintained supervision over the low temperature thermostat.  The low temperature monitoring thermostat makes the circuit at 70ºF   (-57ºC) and clears the circuit at +50ºF (+10ºC).  This listing requires that the fire alarm supervisory control module be only of the latching type.  The heater assembly and gasket have a life of 5 years.  After such date a replacement heater assembly can be purchased (STI-HK2).  On the heater assembly is a label where you should record the installation date.

WARNING:  In hazardous areas all sources of power must be shutdown before accessing cover per NEC.

STROBES LISTED FOR USE WITH THESE ENCLOSURES

ENVIRONMENTAL ENCLOSURES FOR STROBES  PRICING CHART

Model

1+

3+

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