{"product_id":"heliotec-sr81-solar-water-controller-for-split-water-heater-system-1-5kw-3kw-4kw-renewable-energy-home-automation","title":"Heliotec SR81 Solar Water Controller for Split Water Heater System 1.5kW 3kW 4kW - Renewable Energy Home Automation","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eThermal Controller,Water Heater Controller,Collector Controller,Solar Working Station\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eIs Smart Device\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Current\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSR81\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSolar controller type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSR81 Solar Water Controller\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003esuit elements type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1.5kw 3kw 4kw\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e \n \u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eIntroduce:\u003c\/p\u003e \n \u003cp style=\"font-size:12px;font-weight:normal;text-align:left;display:block;width:100%\" align=\"left\"\u003eOld SR868C8 updated version\u003cbr\u003eTemperature measurement accuracy:0.1C\u003cbr\u003e10 push buttons at the front cover.\u003cbr\u003e5 variants version can be optional\u003cbr\u003eWith separate keypad\u003c\/p\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e \n \u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eMain technical data:\u003c\/p\u003e \n \u003cp style=\"font-size:12px;font-weight:normal;text-align:left;display:block;width:100%\" align=\"left\"\u003eAPPLICATIONS CAPACITY\u003cbr\u003eMax.number of collectors:1\u003cbr\u003eMax.number of storage tanks:1\u003cbr\u003eMax.number of relays:4\u003cbr\u003eMax.number of sensors:5\u003cbr\u003eMax.number of visualization application system: 1\u003cbr\u003e\u003cbr\u003eFRT:1* Rotary vane type electron flow meter\u003cbr\u003eSize of Keypad:120mm x 120mm x 18mm\u003cbr\u003eSize of Controller(1.5KW version): 187mm x128mm x46mm\u003cbr\u003eSize of Controller(3KW version): 218mm x165mm x55mm\u003cbr\u003eSize of Controller(4KW version): 218mm x165mm x55mm\u003cbr\u003ePower supply: AC100-240V50-60Hz. . \u003cbr\u003ePower consumption: \u0026lt; 2.5W\u003cbr\u003eRated impulse voltage: 2.5KV\u003cbr\u003eHousing: Plastic ABS\u003cbr\u003eProtection type: IP41\u003cbr\u003eMounting: Wall mounting\u003cbr\u003eOperation: 10 push buttons at the front cover.\u003cbr\u003eAccuracy of temperature measuring: ± 0.1oC\u003cbr\u003eRange of collector temperature measuring: -10oC ~220oC\u003cbr\u003eRange of tank temperature measuring: 0oC ~110oC\u003cbr\u003eSuitable power of pump: 3 pump possible to be connected \u003cbr\u003eSuitable power of HK (backup heating):\u003cbr\u003e1pc(1.5KW version) ˂1.5KW\u003cbr\u003e1pc(3KW version) ˂3KW\u003cbr\u003e1pc(4KW version) ˂4KW\u003cbr\u003eInputs: 5 sensors\u003cbr\u003e1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)\u003cbr\u003e4pcs*NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)\u003cbr\u003e1*FRT Rotary vane type electron flow meter\u003cbr\u003eOutputs: 4 relays for circulation pump and backup heating\u003cbr\u003e3*Electronmagnetic relay Max.current 2A\u003cbr\u003eHK relay(1.5KW version):10A\u003cbr\u003eHK relay(3KW version):15A\u003cbr\u003eHK relay(4KW version):20A\u003cbr\u003eAmbient temperature: -10oC ~ 50oC.\u003cbr\u003eWater proof grade: IP41\u003c\/p\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e \n \u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eMain functions:\u003c\/p\u003e \n \u003cp style=\"font-size:12px;font-weight:normal;text-align:left;display:block;width:100%\" align=\"left\"\u003eDATE---Date setting\u003cbr\u003eTimed heat---backup heating\u003cbr\u003eCircle---Hot water circulation\u003cbr\u003eLOAD---Setup Loading tank1\u003cbr\u003eCOL---Collector1\u003cbr\u003ePUMP---Pump control mode\u003cbr\u003eCOOL---Cooling function\u003cbr\u003eAUX---Auxiliary function\u003cbr\u003eMAN---Manual mode\u003cbr\u003eBLPR---Blocking protection function\u003cbr\u003eOTDI---Thermal disinfection function\u003cbr\u003eFS---Flow meter type selection.\u003cbr\u003eUNIT---C-F unit switch\u003cbr\u003eRST---factory setting\u003cbr\u003ePASS--- password set\u003cbr\u003eHoliday function\u003cbr\u003eScreen Protection\u003cbr\u003eTrouble Protection\u003cbr\u003eTrouble Checking\u003c\/p\u003e \n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb1bb1d53651b4a95bab5bd7d4a3080ddI.jpg\" slate-data-type=\"image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd5fe61ae60e54367bb4aa7f4e638f504h.jpg\" slate-data-type=\"image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3aebcebee1ff42fc8be7fee8bcc5eb50F.jpg\" slate-data-type=\"image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3323875528da4067af4f9e8369f45918Q.jpg\" slate-data-type=\"image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S68bb202ff0774f79b7545bae47a49765F.jpg\" slate-data-type=\"image\"\u003e \n \u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3cb002aedd064be9834512d5f52584997.jpg\" slate-data-type=\"image\"\u003e \n\u003c\/div\u003e\n\u003cdiv\u003e \n \u003cbr\u003e \n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Smart Hub Gadgets","offers":[{"title":"3kW SR81 \/ China Mainland","offer_id":60747846779166,"sku":"14:29#3kW SR81;200007763:201336100","price":190.99,"currency_code":"USD","in_stock":true},{"title":"4kW SR81 \/ China Mainland","offer_id":60747846811934,"sku":"14:496#4kW SR81;200007763:201336100","price":192.99,"currency_code":"USD","in_stock":true},{"title":"1.5kW SR81 \/ China Mainland","offer_id":60747846844702,"sku":"14:350853#1.5kW SR81;200007763:201336100","price":181.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7691\/4206\/files\/S3aebcebee1ff42fc8be7fee8bcc5eb50F.webp?v=1793303339","url":"https:\/\/smarthubgadgets.com\/products\/heliotec-sr81-solar-water-controller-for-split-water-heater-system-1-5kw-3kw-4kw-renewable-energy-home-automation","provider":"Smart Hub Gadgets","version":"1.0","type":"link"}