<p><img src="http://b66.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e382c35a3f8193bba31ebf67da7f0ab9c7b117278c01a4fbad945ef1f82f81be59a898bca23af37c55b4a232fad9108508b3c88914288efe10ba104986b7c9d10bfaf3f6b029c9fd01fe83fea92be157186a2722&a=66&b=66"/></p>
<p><img src="http://b70.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e382c35a3f8193bba31ebf67da7f0ab97f45bb706798af200bfe351a3e77511e617d53e3c713d2d86b0fd444c201a4b8af85c8edefee02d3e3352646e46de52405e9e0ca9f7c8887038d78b0d59abe778083ddc7&a=65&b=70"/></p>
<p><img src="http://b71.photo.store.qq.com/http_imgload.cgi?/rurl4_b=e382c35a3f8193bba31ebf67da7f0ab929ed78479e2b6a6664850da460f860c7dbd7a647bd5f558404816d5d028e6e87f2396a71698140a8966aa8f6eb0fbba5a963f26e4efc3a6827fed9184d39254db8bd9141&a=70&b=71"/></p>
<p>SF-DP是风机的压差,RA-TSP是风机的回风温度设定值,RA-T是风机的回风温度值,VLV-C是??请问一下前两个图的红色部分是怎么回事呢?出了什么故障?</p>
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