Multiple Case Series

Glass Sentry

Glass Sentry

The Glass Sentry is now the crown jewel of our anti-sweat product line. The Glass Sentry is UL listed economical model designed specifically for retrofit applications. The unit has a discrete dew point sensor and separate temp sensor. By handling up to 30 amp loads, a single Glass Sentry can control the multiple door set-ups of a typical C-store. Once the heater circuit is turned on, it stays on for a minimum of 5 minutes, assuring that the surface temperature of the glass is properly elevated without wasting energy. An adjustment on the end of the unit is set for optimum operation for all conditions, but can be changed for even better energy-savings depending on the conditions. Pig-tail leads and flexible conduit provided with the Glass Sentry allow for easy retrofit installation without any additional wiring which translates into minimum up-front costs and head-aches. The Glass Sentry can pay for itself within months of installation and it is now one of the most popular energy saving alternatives for the C-store industry.

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Glass Sentry II

Glass Sentry II

As the industry became more accepting of the anti-sweat philosophy, customized requests became more and more frequent. We developed the Glass Sentry II to utilize a single humidity sensor and preset logic tables. Now customizers can tell us when they want the unit to operate, how long they want it to energize, and match it to the operational functionality of their particular boxes. The Glass Sentry II can still control 30A loads. It’s mounted on top or inside of the box making it versatile enough for retrofit or new installations. The Glass Sentry II is ordered with freezer logic or with cooler logic. If you have specific ideas about how you’d like an anti-sweat controller to work, then the Glass Sentry II is a good alternative.

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Glass Sentry LP

Glass Sentry LP

When the HR-6 initiative was passed and incorporated in January 2009, it required all cooler manufacturers to either use more expensive energy efficient glass doors or to install anti-sweat controllers into their units. We redesigned the Glass Sentry into a low profile, potted option that could be mounted in the mullion. Tens of thousands of these units have been used and are now a standard component on a number of cooler systems. The Glass Sentry LP utilizes a discrete dew point sensor and one smaller separate temp sensor. It remains a popular model with cooler OEMs.

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Glass Sentry Modbus

Glass Sentry Modbus

Many of the larger grocery and C-store chains utilize more sophisticated building automation controls (BACs). Process specific controls for lighting, security, refrigeration, pumping applications, etc. link with the BAC computers to collect, analyze, and present data in real time to corporate executives. We chose the Modbus communication format, the most widely accepted format, and incorporated it into our Glass Sentry line so that we could communicate with BAC controls and open a marketing avenue into these larger industries. Parameters such as relative humidity, store humidity, dew point, frame temperatures, percent heater run time, hour watts saved, as well as alarm conditions can be viewed on a unit by unit basis. Perfect for the Corporate Energy Manager to evaluate site efficiencies and analyze systems from the convenience of their desk.

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Glass Sentry II Modbus

Glass Sentry II Modbus

The Glass Sentry II Modbus combines preset logic algorithms with the Modbus communications protocol thereby allowing larger grocery and C-store chains to utilize more sophisticated building automation controls (BACs). Process specific controls for lighting, security, refrigeration, pumping applications, etc. link with the BAC computers to collect, analyze, and present data in real time to corporate executives. Parameters such as relative humidity, store humidity, dew point, frame temperatures, percent heater run time, hour watts saved, as well as alarm conditions can be viewed on a unit by unit basis. The Glass Sentry II Modbus is another option for the Corporate Energy Manager to evaluate site efficiencies and analyze systems from the convenience of their desk.

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