Electronic Expansion Valve for Heat Pump Air-conditioning SystemEHFCVDecember 9, 2021Body DENSO The controller arithmetically processes the heating degree signals from the temperature and pressure sensors, to electrically open/close the expansion valve. # HVAC Previous Post Outside Heat Exchanger for Heat Pump Air-conditioning System Next Post Fuel Cell Thermal Management Systems Leave a ReplyCancel ReplyYou must be logged in to post a comment.