{"schemaVersion":1,"slug":"greenheck-ehh-401-louvers","name":"Greenheck EHH-401 wind-driven-rain louver","kind":"object","abbreviation":"EHH-401","aliases":["EHH-401","EHH-401 GA","EHH-401 general arrangement"],"category":"equipment-layouts","drawingTypes":["GA"],"referenceFamilies":["Manufacturer"],"summary":"Horizontal-blade louver family intended for openings exposed to wind-driven rain.","description":["Coordinate the rain-resistant frame and sill arrangement with the wall drainage detail. Set out support members without blocking blade passages or access to a screen.","The downloadable GA illustration is independently authored conceptual geometry, with no scale or manufacturer dimensions. Use the official CAD source for the exact layout."],"readingNotes":["Use the selected EHH-401 submittal for performance and mounting details; a generic louver rectangle does not encode rain resistance.","The product family is distinct from conventional stationary ESD louvers and from EHH-501."],"drawingChecklist":["Confirm EHH-401 and opening size.","Coordinate sill and wall weatherproofing.","Check screen, support and maintenance access."],"distinction":"The product family is distinct from conventional stationary ESD louvers and from EHH-501.","facts":[{"label":"Manufacturer","value":"Greenheck"},{"label":"Model / housing family","value":"EHH-401"},{"label":"CAD selection","value":"EHH-401"},{"label":"Illustration","value":"Original conceptual GA; unitless, not a manufacturer outline"}],"references":[{"sourceId":"ga-expansion-greenheck-ehh-401-louvers","relevance":"Manufacturer identity and available drawing route; exact file identity is recorded in the linked CAD entry."}],"related":["ga-ventilation-intake-louver","ga-industrial-ventilation-fan"],"artwork":"edu-object-greenheck-ehh-401-louvers","publishedOn":"2026-10-29","updatedOn":"2026-10-29","provenance":"independent-public-research","plainEnglish":{"title":"What it does","introduction":"A louver provides an air opening with blades that help manage weather entry or airflow according to its design. It does not move air by itself.","example":"On a switchroom exterior wall, a selected intake louver can admit ventilation air while providing the specified weather protection.","drawings":"Use the selected manufacturer's drawings to check the equipment's size, mounting points and cable connections. The layout helps you plan where it fits and how it can be reached for maintenance. An illustrative 3D preview does not establish product dimensions or required clearances.","terms":[{"name":"Schematic","meaning":"A drawing showing function and connections rather than physical appearance."}],"diagram":"flow","steps":["Outside or room air","Louver opening","Ventilation air path"],"caption":"A simplified explanation of how this item works. It does not show terminal wiring or an operating procedure.","sources":[{"label":"Greenheck EHH-401 wind-driven-rain louver official drawing source","url":"https://content.greenheck.com/public/DAMProd/Original/10002/EHH401_submittal.pdf"}],"profileId":"louver"},"url":"https://eloragrid.ai/objects/greenheck-ehh-401-louvers","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/equipment-preview/greenheck-ehh-401-louvers","scope":"Equipment preview: manufacturer drawing where available, otherwise a 3D thumbnail. Original object icon exports are removed."},"drawings":[],"sources":[{"id":"ga-expansion-greenheck-ehh-401-louvers","title":"Greenheck EHH-401 wind-driven-rain louver official drawing source","publisher":"Greenheck","url":"https://content.greenheck.com/public/DAMProd/Original/10002/EHH401_submittal.pdf","type":"manufacturer","scope":"Model identity and mechanical CAD selection. No reproduction of manufacturer graphics.","checkedOn":"2026-10-29","reuse":"link-only","relevance":"Manufacturer identity and available drawing route; exact file identity is recorded in the linked CAD entry."}]}