電熱膜地暖施工步驟有哪些
一、準備工作
首先要檢查一遍地面是否平整,在地面找平之后將地面清掃干凈,然后準備好電源線和探頭,確定好溫控器和接線盒的位置。按照電熱膜地暖施工設計要(yao)求劃出找平線(xian)(xian)、墻體(ti)上的導線(xian)(xian)槽(cao)(cao)線(xian)(xian),按(an)設計圖示位置(zhi)將暗敷在墻體(ti)內的溫控器槽(cao)(cao)、分線(xian)(xian)盒槽(cao)(cao)及導線(xian)(xian)管(guan)槽(cao)(cao)剔好。
二、鋪設防潮層和保溫層
1、鋪設防潮層
將地面或樓(lou)板表面的(de)(de)雜(za)物(wu)清掃干凈。按設計(ji)(ji)要(yao)求將首層地面及衛生間等有防潮要(yao)求的(de)(de)地面鋪設防潮層。防潮層的(de)(de)做法(fa)以(yi)設計(ji)(ji)為準,新宇陽目前的(de)(de)做法(fa)是(shi):選2~3mm厚的(de)(de)帶反(fan)射膜瀝(li)青(qing)(qing)防水卷(juan)材(cai),反(fan)射膜面朝(chao)上(shang)放置。噴(pen)涂(tu)瀝(li)青(qing)(qing)底油,要(yao)求噴(pen)涂(tu)均勻,不(bu)漏(lou)涂(tu)。當(dang)瀝(li)青(qing)(qing)底油揮發干燥,手摸(mo)不(bu)粘時(shi),即(ji)可鋪貼(tie)防水卷(juan)材(cai)。鋪貼(tie)上(shang)層帶反(fan)射膜的(de)(de)瀝(li)青(qing)(qing)防水卷(juan)材(cai)。采用熱熔(rong)滿(man)粘法(fa)施工(gong),要(yao)求長邊的(de)(de)搭接縫寬度均不(bu)得(de)小(xiao)于80㎜,短邊不(bu)得(de)小(xiao)于100㎜。
2、鋪設保溫層
將地面(mian)或樓板(ban)(ban)表面(mian)的雜物(wu)清掃干凈,逐張鋪(pu)設(she)保(bao)(bao)(bao)溫(wen)板(ban)(ban),將地面(mian)鋪(pu)滿,沿(yan)外墻(qiang)周邊(bian)應(ying)安裝邊(bian)角保(bao)(bao)(bao)溫(wen),遇立管處用保(bao)(bao)(bao)溫(wen)板(ban)(ban)塞嚴。保(bao)(bao)(bao)溫(wen)板(ban)(ban)應(ying)切割整齊,間(jian)隙(xi)不得大于5mm,保(bao)(bao)(bao)溫(wen)板(ban)(ban)之(zhi)間(jian)應(ying)用寬(kuan)膠(jiao)帶粘接(jie)平順。檢測保(bao)(bao)(bao)溫(wen)板(ban)(ban)表面(mian)是(shi)否平整,保(bao)(bao)(bao)證(zheng)無翹曲。
三、鋪設電熱膜
清理保溫(wen)(wen)板表面(mian),根據(ju)設(she)計(ji)圖紙要求的(de)電(dian)熱膜鋪設(she)位置,在(zai)(zai)保溫(wen)(wen)板上畫出電(dian)熱膜鋪設(she)位置線(xian)。電(dian)熱膜與墻的(de)距離一(yi)般不小于300mm;根據(ju)圖紙所示,在(zai)(zai)保溫(wen)(wen)層(ceng)上畫出連接導線(xian)的(de)線(xian)槽位置。按畫線(xian)位置,在(zai)(zai)保溫(wen)(wen)層(ceng)上剔導線(xian)管槽,槽的(de)深度和寬度不小于電(dian)線(xian)導管的(de)外徑。
根據(ju)設(she)(she)計(ji)圖紙要(yao)求,按(an)電熱(re)(re)膜編號(hao)及畫線位置將電熱(re)(re)膜鋪(pu)(pu)(pu)(pu)設(she)(she)在相應的位置,注意裝有過(guo)熱(re)(re)保(bao)護裝置的一側(ce)要(yao)嚴(yan)格按(an)照設(she)(she)計(ji)圖紙鋪(pu)(pu)(pu)(pu)設(she)(she),保(bao)持電熱(re)(re)膜鋪(pu)(pu)(pu)(pu)設(she)(she)的平行與平整度,測(ce)試各條(tiao)電熱(re)(re)膜電阻值(zhi),做好記錄,發現問題及時(shi)(shi)處(chu)理。鋪(pu)(pu)(pu)(pu)設(she)(she)時(shi)(shi)注意嚴(yan)禁野蠻(man)操(cao)作,嚴(yan)禁尖、硬、鋒利物體(ti)邊緣直接(jie)接(jie)觸電熱(re)(re)膜表(biao)面(mian),嚴(yan)禁折壓、拖拉(la)電熱(re)(re)膜及連接(jie)導(dao)線。電熱(re)(re)膜鋪(pu)(pu)(pu)(pu)設(she)(she)好以后(hou)用膠(jiao)帶紙將其固定(ding)在保(bao)溫板上(shang)。
四、安裝地溫探頭和過熱保護系統
根據設計圖紙(zhi)所示的(de)地溫探頭(tou)安裝位置(zhi),安裝地溫探頭(tou)。用(yong)膠(jiao)帶紙(zhi)將地溫探頭(tou)粘(zhan)貼在(zai)(zai)電(dian)(dian)熱(re)膜下表(biao)面(mian),距(ju)發熱(re)體邊緣不應(ying)小(xiao)于150mm;將地溫探頭(tou)連(lian)線引(yin)入(ru)(ru)PVC塑料(liao)導(dao)管(guan)(guan)(guan),上墻進入(ru)(ru)溫控器安裝槽的(de)位置(zhi)。將電(dian)(dian)熱(re)膜的(de)電(dian)(dian)源引(yin)線穿入(ru)(ru)PVC塑料(liao)導(dao)管(guan)(guan)(guan)內(nei),按線槽鋪設導(dao)管(guan)(guan)(guan),引(yin)線從接線端子通過導(dao)管(guan)(guan)(guan)直接進入(ru)(ru)墻壁上預埋的(de)接線盒,將引(yin)線中的(de)火(huo)線和零線分別連(lian)接在(zai)(zai)相應(ying)的(de)接線端子上。測試、封(feng)管(guan)(guan)(guan)口。
五、鋪設防護層
將(jiang)(jiang)電熱(re)膜(mo)及(ji)保溫層表面(mian)清理干凈,將(jiang)(jiang)防護膜(mo)鋪(pu)設在電熱(re)膜(mo)上(shang),將(jiang)(jiang)電熱(re)膜(mo)完全覆蓋(gai),邊緣和搭接處用膠帶紙粘好,按與電熱(re)膜(mo)平行(xing)的(de)方向(xiang)鋪(pu)設金(jin)屬網(wang)(wang),并盡量使金(jin)屬網(wang)(wang)的(de)邊緣置于電熱(re)膜(mo)之(zhi)外(wai),用塑料卡釘固(gu)定住,用銅質導線(xian)把所有金(jin)屬網(wang)(wang)連(lian)接起來(lai)并與配電系統的(de)保護地線(xian)(PE)可靠(kao)連(lian)接,結(jie)合層靠(kao)墻處應(ying)做膨脹(zhang)縫,長寬大于5m的(de)房間在地面(mian)中間也應(ying)做膨脹(zhang)縫。
六、安裝溫控器
按(an)照設(she)計要求正確(que)選擇(ze)溫(wen)控(kong)(kong)(kong)器(qi)的(de)型號(hao)。在安裝(zhuang)溫(wen)控(kong)(kong)(kong)器(qi)之前,應(ying)確(que)認配電(dian)(dian)系統處(chu)于斷電(dian)(dian)狀(zhuang)態。按(an)照溫(wen)控(kong)(kong)(kong)器(qi)使用說明書,將溫(wen)控(kong)(kong)(kong)器(qi)的(de)火線(xian)(xian)(xian)(xian)和零(ling)(ling)線(xian)(xian)(xian)(xian)接線(xian)(xian)(xian)(xian)端與配電(dian)(dian)系統的(de)火線(xian)(xian)(xian)(xian)和零(ling)(ling)線(xian)(xian)(xian)(xian)連線(xian)(xian)(xian)(xian)好(hao),將溫(wen)控(kong)(kong)(kong)器(qi)的(de)控(kong)(kong)(kong)制輸(shu)出端與電(dian)(dian)熱膜的(de)火線(xian)(xian)(xian)(xian)連接線(xian)(xian)(xian)(xian)連接好(hao),將地溫(wen)探頭(tou)線(xian)(xian)(xian)(xian)與溫(wen)控(kong)(kong)(kong)器(qi)的(de)傳感器(qi)連接端連接好(hao),把溫(wen)控(kong)(kong)(kong)器(qi)裝(zhuang)入預埋(mai)在墻體中的(de)暗盒中,用螺栓固(gu)定(ding)牢固(gu),通電(dian)(dian),調試溫(wen)控(kong)(kong)(kong)器(qi)。
七、通電試運行
檢查(cha)進(jin)入溫控器的電源線路,確認是否安(an)裝(zhuang)漏電保護裝(zhuang)置。按照用戶使用說(shuo)明(ming)書通電試運行,并測(ce)試記錄有關數據(ju),核實系統是否正常,測(ce)試完后進(jin)行密封處(chu)理,然后交(jiao)工驗收。
電熱膜地暖的安裝注意事項
1、電熱膜地暖安裝(zhuang)過程(cheng)中安裝(zhuang)施工(gong)(gong)人員盡量以軟低鞋進(jin)場(chang)安裝(zhuang),禁(jin)止穿(chuan)堅(jian)硬的鞋子施工(gong)(gong)。
2、地(di)暖安裝(zhuang)完畢24h后再逐(zhu)漸(jian)加溫(wen)(wen),最好是每小時升溫(wen)(wen)1度(du)左右(you),使木地(di)板逐(zhu)漸(jian)適應溫(wen)(wen)度(du)升溫(wen)(wen)。如果加溫(wen)(wen)過快,可能會(hui)使木地(di)板受熱(re)過快,扭(niu)曲開(kai)裂等(deng)。在升溫(wen)(wen)前必須保持地(di)面干凈、干燥。
3、在地(di)熱(re)采暖的木地(di)板上盡量不(bu)安放(fang)無腿的家具或(huo)裝飾,防(fang)止(zhi)局部散熱(re)不(bu)通暢,熱(re)量悶在木地(di)板處,易(yi)產(chan)生地(di)板因(yin)受熱(re)不(bu)均變(bian)形(xing)。
4、通電(dian)試(shi)運(yun)行時,應測試(shi)本(ben)組(zu)電(dian)熱(re)膜的(de)(de)總(zong)電(dian)阻(zu)值,與設計中的(de)(de)阻(zu)值對比(bi),并作好詳(xiang)細記錄(lu)。如有問題(ti),需檢(jian)(jian)查整體(ti)的(de)(de)線(xian)(xian)路及發熱(re)體(ti),并及時排除。總(zong)電(dian)阻(zu)檢(jian)(jian)測合(he)格后,再(zai)將所(suo)有在地(di)面的(de)(de)電(dian)線(xian)(xian)導管(guan)口(kou)做密封處理。