Mahalingam Chandrasekar
Articles
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Airflow CFM & Reheat Loops on SmartNode & HelioNode
| Overview TrueCFM ensures the required airflow to the zones under the influence of temperature loads and CO2 respectively as prescribed by ASHRAE Guidelines 36. The control sequence is as prescrib...
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Temperature Modes - HyperStat/ HyperStat Split Connected to CCU
| Introduction The temperature mode enhancement allows users to select their preferred temperature mode for a site, offering a choice between a dual setpoint with either a fixed or variable deadban...
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Central Plant Equipment Tagging
| OverviewCPM architecture is Haystack 4 compliant i.e. tags, point, equip definition, and ontology are as per Haystack Standard.CPM queries the tags to identify equipment and devices which are ass...
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April 2023 Release
| Important Enhancements and FixesHelioNode as a Separate ProductThe HelioNode zone controller device, which was presented for use alongside the SmartNode, is now presented as a separate product. T...
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HyperStat - CO2, Humidity Display Setting & Alert Generation
| OverviewThe world's most intelligent thermostat HyperStat, with its eight onboard sensors to sense various parameters, is capable enough to sense and report the CO2 & Humidity, values for a room ...
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CCU Session Reactivation After 60 Days
2 Minute Read| OverviewAt times, the CCUs installed as a part of the 75F BMS system in the building go offline due to various reasons, it is usually only for a short duration, but at times, due to ...
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PointWrite API
| PointWrite The Pointwrite API is used to write a value to a particular data point. The Pointwrite Operation in the spirit of the Project Haystack pointWrite op, documented here: https://www.pr...
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Standalone HyperStat 4 Pipe Fan Coil Unit (4PFCU)
5 Minute Read| OverviewThe HyperStat is part of 75F's vertically-integrated suite of intelligent building solutions, delivering multi-mode sensing, remote monitoring , and individual zone control f...
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Add New CCU to Existing Site- Using Building Passcode
| Overview In 75F® system the registration of a second CCU to an already existing site is done by a code-based registration, wherein a "Building Passcode" is generated from CCU and the Internal por...
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Installer Auto-Commissioning Via Easy Street
| IntroductionEasy Street is a feature designed to automate functionality and logic checks for 75F CCUs. This automation eliminates the need for manual testing, ensures consistent results, and prov...