Product Specifications

--

Product Description

Overview

Quick Details

Place of Origin: Jiangsu, China

Brand Name: SUNFLOWER

Model Number: SR868C8/SR81

Type: PWM

Application: Water Heater Controller

Work Time (h): 24 hours

Max PV Power: 2.5w

Max PV Voltage: 110-240V

Certificate: CE

Warranty: 1 YEAR

Product name: solar water heater controller

Packaging & Delivery

#detail_decorate_root .magic-0{border-bottom-style:solid;border-bottom-color:#53647a;font-family:Roboto;font-size:24px;color:#53647a;font-style:normal;border-bottom-width:2px;padding-top:8px;padding-bottom:4px}#detail_decorate_root .magic-1{vertical-align:top}#detail_decorate_root .magic-2{padding:0;margin:0;color:#333;font-size:14px;padding-left:4px;font-weight:bold;white-space:pre-wrap}#detail_decorate_root .magic-3{display:inline !important;float:none;background-color:#fff;color:#000;font-family:sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:bold;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:pre-wrap;word-spacing:0}#detail_decorate_root .magic-4{vertical-align:top;display:block;padding-right:4px;box-sizing:border-box;padding-left:4px}#detail_decorate_root .magic-5{vertical-align:top;padding-bottom:4px;box-sizing:border-box;padding-top:4px}#detail_decorate_root .magic-6{padding:0;margin:0;white-space:pre-wrap;font-size:14px}#detail_decorate_root .magic-7{box-sizing:border-box;color:#000;font-family:sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;list-style-image:none;list-style-position:outside;list-style-type:disc;margin-bottom:0;margin-left:0;margin-right:0;margin-top:0;orphans:2;padding-bottom:0;padding-left:30px;padding-right:0;padding-top:0;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-8{box-sizing:border-box}#detail_decorate_root .magic-9{box-sizing:border-box;clear:both;margin-bottom:0;margin-left:0;margin-right:0;margin-top:0;padding-bottom:0;padding-left:0;padding-right:0;padding-top:0}#detail_decorate_root .magic-10{box-sizing:border-box;font-size:14px;font-weight:400;line-height:normal;margin-bottom:5px;margin-left:0;margin-right:0;margin-top:5px;padding-bottom:0;padding-left:0;padding-right:0;padding-top:0}#detail_decorate_root .magic-11{box-sizing:border-box;color:#000;font-size:14px}#detail_decorate_root .magic-12{box-sizing:border-box;color:#333;font-family:Helvetica Neue,Helvetica,Arial,Sans-serif,宋体;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;line-height:normal;margin-bottom:5px;margin-left:0;margin-right:0;margin-top:5px;orphans:2;padding-bottom:0;padding-left:0;padding-right:0;padding-top:0;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-13{box-sizing:border-box;clear:both;color:#333;font-family:Helvetica Neue,Helvetica,Arial,Sans-serif,宋体;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:0;orphans:2;padding-bottom:0;padding-left:0;padding-right:0;padding-top:0;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-14{width:750px}#detail_decorate_root .magic-15{overflow:hidden;width:750px;height:446.4285714285714px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-16{margin-top:0;margin-left:0;width:749.9999999999999px;height:446.4285714285714px}#detail_decorate_root .magic-17{display:inline !important;float:none;background-color:#fff;color:#000;font-family:sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:bold;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-18{overflow:hidden;width:750px;height:282.033426183844px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-19{margin-top:0;margin-left:0;width:750.0000000000001px;height:282.033426183844px}#detail_decorate_root .magic-20{overflow:hidden;width:750px;height:521.7391304347826px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-21{margin-top:0;margin-left:0;width:750px;height:521.7391304347826px}#detail_decorate_root .magic-22{box-sizing:border-box;color:#333;font-family:Helvetica Neue,Helvetica,Arial,Sans-serif,宋体;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-23{background-color:#fff;box-sizing:border-box;color:#000;display:inline;float:none;font-family:sans-serif;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-24{width:446px}#detail_decorate_root .magic-25{overflow:hidden;width:446px;height:507.51724137931035px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-26{margin-top:34px;margin-left:42px;width:380px;height:434px}#detail_decorate_root .magic-27{width:300px;display:flex;flex-direction:column;margin-right:0;margin-left:4px}#detail_decorate_root .magic-28{display:inline !important;float:none;background-color:#fff;color:#333;font-family:sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-29{box-sizing:content-box;color:#999;font-family:Helvetica Neue,Helvetica,Arial,Sans-serif,宋体;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-30{box-sizing:content-box;color:#000;font-family:sans-serif;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;line-height:1.75;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:pre-wrap;word-spacing:0}#detail_decorate_root .magic-31{box-sizing:content-box}#detail_decorate_root .magic-32{display:inline !important;float:none;background-color:#fff;color:#000;font-family:sans-serif;font-size:14px;font-style:normal;font-variant:normal;font-weight:400;letter-spacing:normal;orphans:2;text-align:left;text-decoration:none;text-indent:0;text-transform:none;-webkit-text-stroke-width:0;white-space:normal;word-spacing:0}#detail_decorate_root .magic-33{overflow:hidden;width:750px;height:492.9936305732484px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-34{margin-top:22px;margin-left:36px;width:676px;height:444px}#detail_decorate_root .magic-35{overflow:hidden;width:750px;height:468.4931506849315px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-36{margin-top:0;margin-left:0;width:750px;height:468.4931506849315px}#detail_decorate_root .magic-37{overflow:hidden;width:750px;height:382.1917808219178px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-38{margin-top:0;margin-left:0;width:750px;height:382.1917808219178px}#detail_decorate_root .magic-39{overflow:hidden;width:750px;height:346.23287671232873px;margin-top:0;margin-bottom:0;margin-left:0;margin-right:0}#detail_decorate_root .magic-40{margin-top:0;margin-left:0;width:750px;height:346.23287671232873px} Product Description

Overview

• SR81 is an upgraded version of SR868C8.

• SR81/SR868 is used in a split pressurized solar water heater system.

• Intelligently controlled by the latest high-performance microcontroller from NXP.

• All devices use industrial-grade standards to operate in cold, high-temperature, and humid environments, while using a clock chip for precise timing control.

Applications capacity

• Max.number of collectors:1

• Max.number of storage tanks:1

• Max.number of relays:4

• Max.number of sensors:5

Main functions

• DATE---Date setting

• Timed heat---backup heating

• Circle---Hot water circulation

• LOAD---Setup Loading tank1

• COL---Collector1

• PUMP---Pump control mode

• COOL---Cooling function

• AUX---Auxiliary function

• MAN---Manual mode

• BLPR---Blocking protection function

• OTDI---Thermal disinfection function

• FS---Flow meter type selection.

• UNIT---C-F unit switch

• RST---factory setting

• PASS--- password set

• Holiday function

• Screen Protection

• Trouble Protection

• Trouble Checking

Delivery scope

Technical Parameters

Optional accessories

Electromagnetic relay : SR802,can control electric heating of ≤4000W.Electromagnetic relay : SR802,can control electric heating of ≤4000W.

Contactor unit of high power: SR802

When user selects electrical heater as back-up device, we recommend using SR802 unit connecting controller and electrical heater.

Technical data of SR802 Dimension: 100mmx100mmx65mm

Power supply:180V～264V/AC 50/60Hz

Suitable power: ≤ 4000W

Available ambient temperature: -10 ~ 50oC Water proof grade: IP43

SR802 Connection Diagram:

Product Installation

SR81 Installation diagram

Supply Ability

--

Packaging and Shipping

Lead time

--

Port

--

Packaging details

--