Product Specifications

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Product Description

Overview

Quick Details

Place of Origin: Jiangsu, China

Brand Name: SUNFLOWER

Model Number: SR81/SR81Q

Application: Water Heater Controller

Certificate: CE

Warranty: 1 year

Name: SR81/SR81QSolar Water Heater Temperature Controller

Packaging & Delivery

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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

• Max.number of visualization application system: 1

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

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Packaging and Shipping

Lead time

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Port

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Packaging details

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