1、風機盤(pan)管(guan)的安(an)全(quan)要(yao)求(qiu)應符合ZBJ72-018的規(gui)定。
2、風機盤(pan)管電氣(qi)線(xian)路的連接(jie)應(ying)整(zheng)齊、牢(lao)固(gu)、電線(xian)穿通(tong)孔和接(jie)插頭(tou)應(ying)采用絕緣管或其他(ta)適當的保護措施。
3、風機盤(pan)管按(an)在常溫、常濕條件下(xia),用500V絕(jue)緣(yuan)電(dian)阻計(ji)測定風機盤(pan)管帶(dai)電(dian)部(bu)(bu)分(fen)(fen)與非(fei)帶(dai)電(dian)金屬部(bu)(bu)分(fen)(fen)之(zhi)間(jian)的絕(jue)緣(yuan)電(dian)阻和按(an)表6規定的凝結水試驗(yan)工況(kuang)連續運轉4h后,用500V絕(jue)緣(yuan)電(dian)阻計(ji)測定風機盤(pan)管帶(dai)電(dian)部(bu)(bu)分(fen)(fen)與非(fei)帶(dai)電(dian)部(bu)(bu)分(fen)(fen)與非(fei)帶(dai)電(dian)金屬部(bu)(bu)分(fen)(fen)之(zhi)間(jian)的絕(jue)緣(yuan)電(dian)阻驗(yan),其冷(leng)、熱態對(dui)地(di)絕(jue)緣(yuan)電(dian)阻值應(ying)不小于(yu)2MΩ。
4、風機(ji)盤管的電(dian)(dian)氣(qi)強度按風機(ji)盤管的各(ge)轉速(su)檔分別置于“接通”位置時(shi)(shi),在帶(dai)電(dian)(dian)部分與非(fei)帶(dai)電(dian)(dian)金屬(shu)部分之間(jian)加以1500V額定頻率(lv)的交流電(dian)(dian)壓(ya)(ya)。開始施加電(dian)(dian)壓(ya)(ya)應(ying)不大于規(gui)定值(zhi)的一半,然后(hou)快(kuai)速(su)升到全值(zhi),持續1min。在大批量生產時(shi)(shi),可(ke)用1800V電(dian)(dian)壓(ya)(ya)及1s時(shi)(shi)間(jian)來代替(ti)。
5、風機(ji)盤管按規定的凝結水試驗工況(kuang),連續運(yun)轉4h后,立即用電(dian)阻法測(ce)量電(dian)動機(ji)繞組溫(wen)升(sheng)。溫(wen)升(sheng)計算按GBA755的規定。
6、風(feng)機盤管按規定的(de)(de)凝結水試(shi)驗工況和圖5的(de)(de)接線(xian)(xian)(xian)連續運轉4h,然(ran)后加以110%額(e)定電(dian)(dian)(dian)壓,測(ce)量風(feng)機盤管外露(lu)的(de)(de)金屬(shu)部分與(yu)電(dian)(dian)(dian)源線(xian)(xian)(xian)之間(jian)(jian)的(de)(de)泄漏電(dian)(dian)(dian)流,其外露(lu)金屬(shu)部分和電(dian)(dian)(dian)源線(xian)(xian)(xian)間(jian)(jian)的(de)(de)泄漏電(dian)(dian)(dian)流值應(ying)不(bu)大于1.5mA。