{"id":931,"date":"2026-05-24T22:19:18","date_gmt":"2026-05-25T06:19:18","guid":{"rendered":"https:\/\/derkhvac.com\/?post_type=product&#038;p=931"},"modified":"2026-07-29T18:16:12","modified_gmt":"2026-07-30T02:16:12","slug":"%e5%9c%b0%e9%9d%a2%e6%b2%9f%e6%a7%bd%e5%af%b9%e6%b5%81%e5%99%a8","status":"publish","type":"product","link":"https:\/\/derkhvac.com\/zh\/product\/ground-trench-convector\/","title":{"rendered":"\u5730\u9762\u548c\u6c9f\u69fd\u5f0f\u6362\u6d41\u5668"},"content":{"rendered":"<p><strong>YLDl+130+(-4)<\/strong><br \/>\n\u603b\u5236\u51b7\u91cf\uff08W 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6\/19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff09\uff1b8.43~38.62kW<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b14.4~70.28kW<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f*\u5bbd*\u9ad8\uff09\uff1a1250~3100mm*340mm*130mm<\/p>\n<hr \/>\n<p><strong>YLDl++150(-4)<\/strong><br \/>\n\u603b\u5236\u51b7\u91cf W 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6 \/ 19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b13.23~52.27kW<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b17.85~90.52kW<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f*\u5bbd*\u9ad8\uff09\uff1a1250~3100mm*340mm*150mm<\/p>\n<hr \/>\n<p><strong>YLDl++200(-4)<\/strong><br \/>\n\u603b\u5236\u51b7\u91cf W 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6 \/ 19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b17.28~85.55kW<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b21.9~119.34kW<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f*\u5bbd*\u9ad8\uff09\uff1a1250~3100mm*340mm*200mm<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Exceptional Efficiency<br \/>\nHigh heat exchange performance with optimal operation.<br \/>\n2. Ultra-Quiet Operation<br \/>\nNearly silent running for comfortable environment.<br \/>\n3. Low Maintenance<br \/>\nLess routine care and long service life.<br \/>\n4. Smart Variable Control<br \/>\nIntelligent adjustment of operating status.<br \/>\n5. Effortless Integration<br \/>\nEasily matches with existing system.<br \/>\n6. Low electrical energy consumption<br \/>\nEnergy-saving operation to reduce cost.<br \/>\n7. Stainless steel Roll-longitudinal design<br \/>\nDurable structure with anti-corrosion performance.<\/p>","protected":false},"featured_media":932,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"Ground and Trench Convector | DERK HVAC","_seopress_titles_desc":"DERK ground and trench convector: EC fan-assisted heating, space-saving design for floor-to-ceiling windows. 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