车顶的粉丝先涛公司系列

离心 器 通风

GRD 22 -短描述离心屋顶风机，采用EC电机，一体化控制，可实现恒压或恒容量流量，dn224昼/夜操作的2级速度。昼/夜操作可以使用2个参考体积流量或2个参考压力级别设置。带有自动故障信息。可用于符合DIN 18017-3的中央通风系统。可以在不测量压力或体积流量的情况下进行调整。外壳易于拆卸，便于清洗。放电侧镀锌防护格栅，防止意外接触，符合DIN EN ISO 13857。坚固的有眼螺栓使起重机能够运输。叶轮的叶片向后弯曲，在两层动态平衡，符合性能等级6.3,DIN ISO 1940。 Impeller made of glass-fibre filled polypropylene. With service switch. IP 45 degree of protection. Control unit Control unit included in scope of delivery. Any installation inside the building. Pressure sensor fitted in fan housing ready for use. Control unit for operating in constant pressure / constant volumetric flow mode. A minimum volumetric flow is required for the correct function: GRD 22 - 150 m3/h GRD 25 - 200 m3/h GRD 31 - 250 m3/h Motor EC motor. Overload protection as standard. No motor protection measures needed. Electrical connection 2 separate mains connections (230 V, 50 Hz) needed for fan and control unit. Mains connections 3 x 1.5 mm2 each, type NYM-J / NYM-O. 6-core shielded control cable between control and fan.