Shuangri SR258 - User Manual

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Operation Manual of the Intelligent
Controller SR258
for Split Pressurized Solar Hot Water System
Please read the instruction carefully before operation!

Summary

Safety Information

Installation and Commissioning

Guidelines for safe installation and operational readiness of the controller.

Important Information

Button and HMI Description

Details the controller's buttons and human-machine interface elements.

Overview

Technical Data

Lists the technical specifications, inputs, outputs, functions, and dimensions of the controller.

Installation

Mounting Controller

Step-by-step guide for physically installing the controller on a wall.

Wiring Connection

Instructions for connecting the controller's wiring through designated ports.

Terminal Connection

Details the terminal connections for input and output ports for different versions.

Connection with High Efficiency Pump

Instructions for connecting a high-efficiency pump to the controller.

System Description (Standard Solar System with 1 Tank, 1 Collector Field)

Functions Parameters and Options

Value Checking

Functions Operation and Parameters Setting (for User)

CLK Time Setup

THET Timing Heating

Configuration for automatic heating based on scheduled time intervals.

CIRC DHW Circuit Pump Controlled by Temperature in Three Time - Sections; Flow Switcher

Control modes for the DHW circulation pump based on temperature or flow.

Function Operation and Parameter Setup (Engineer)

PWD Password

LOAD Tank Heating

COL Collector Function

Settings for collector emergency shutdown, cooling, and antifreeze functions.

PUMP Pump R1 Control Mode

COOL Cooling Function

AUX Auxiliary Function

MAN Manual Operation

BLPR Blocking Protection

OTDI Thermal Disinfection Function

FS Flow Rate Monitoring and Pump Dry Running Protection

PASS Password Setup

M.H Manual Heating

Protection Function

Shuangri SR258 Specifications

General

Brand	Shuangri
Model	SR258
Category	Controller
Language	English