Packaged Rooftop Units | Products - AAON
AAON sets the standard for commercial packaged rooftop units in performance, serviceability, and long-term value. The world's best RTU. Built just for you. Widely considered the industry's …
Packaged Rooftop Units - YORK
YORK® Commercial Packaged Rooftop Units offer low operating costs, easy installation and Smart Equipment controls for advanced, high-efficiency comfort.
What Is A DX HVAC Unit? - Hunker
2022年1月11日 · DX, or direct expansion, HVAC units use a condensed refrigerant to cool air. The unit cools air by passing the condensed refrigerant through a heat exchanger inside the …
Rooftop Units | Johnson Controls
Our flexible outdoor packaged Rooftop HVAC Units are easy to customize with fast installation, low operating costs, and our Smart Equipment Controls package.
Improvement of evaporator refrigerant / two-phase heat transfer. Increased suction density improves compressor volumetric efficiency. Variable sensible heat ratio optimizes airside …
Eco-Friendly Commercial Rooftop Units - Carrier
Units are available with electro-mechanical controls or RTU Open multi-protocol direct digital controller. Additional ComfortLink integrated controller on 3-5 ton models that provides: …
Mammoth – A Division of Nortek Air Solutions - CFM Company
Mammoth is a manufacturer of Ultraline™ high-capacity custom DX rooftop units. Factory-packaged with factory controls, Mammoth RTU’s combine tried and true equipment layouts …
• Chilled water or non-compressorized DX air handling units, from 7,500 - 80,000 cfm • R-410A variable speed scroll compressors • Double wall rigid polyurethane foam insulated cabinet …
HVAC Education - YORK
Our comprehensive collection of resources cover Commercial Packaged & Split DX Applications, Technology & Warranties, and Sustainability - all designed to help you stay informed and up- …
RTU 遥测终端机的工作原理 - CSDN博客
6 天之前 · 文章浏览阅读367次，点赞3次，收藏5次。dx-rtu-1 遥测终端机作为其中的优秀代表，以其多种通信方式支持、高性能工业级硬件、丰富的采集控制接口、低功耗设计以及广泛的应用 …
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