Technische Alternative ESR31-R User Manual

ESR 31
Version 2.0 EN
Simple solar control unit
Operation
Installation instructions
en

Technische Alternative ESR31-R Specifications

General

Protection class	IP20
Power Supply	24 V AC
Storage temperature	-30 °C to +70 °C
Humidity	max. 95% rH, non-condensing
Digital inputs	4
Analog inputs	3
Communication	CAN
Output	4 relay outputs
Display	LCD, 2x16 characters

Summary

Safety Requirements

General Operation Rules

Operation Overview

Display Icons and Navigation

The Main Level Displays

Sensor and Value Displays

Menu Navigation (PAR/MEN)

Parameter Menu (PAR)

Setting Values (min, max, diff)

Max Threshold Settings

Configuration of maximum switch-on and switch-off temperature thresholds.

Min Threshold Settings

Configuration of minimum switch-on and switch-off temperature thresholds.

Automatic / Manual Mode

Menu System (MEN)

MEN Menu Item Descriptions

Sensor Menu (SENSOR)

Configuration of sensor types, average determination, and input modes.

Sensor Settings

Sensor Type Configuration

Specific Sensor Settings

Sensor Type Details

PT, KTY, GBS Sensors

Vortex and Volume Flow Sensors

Details on Vortex (VTS, VF2) and Volume Flow (VSG) sensors.

Advanced Sensor Settings

System Protection Functions (SYS PF)

Configuration of system protection functions like frost and excess temperature.

System Protection Details

Collector Excess Temperature (CET)

Function to block the pump during collector excess temperature.

Collector Anti-freeze (FROST)

Anti-freeze protection function for the collector.

Start Function (STARTF)

Pump Speed Control (PSC)

PSC Parameter Overview

Overview of parameters for pump speed control.

Absolute Value Control

AC N 1 Control System

Setting for absolute value control system.

DVA Setting

Desired value setting for absolute value control.

Differential Control

DC N12 Control System

Setting for differential control system between sensors.

DVD Setting

Desired value setting for differential control.

Event Control

EC N31 Event Control System

TVE and DVE Settings

Stability Problems (PID Controller)

Proportional Part (PRO)

Integral Part (INT)

Pump Standstill Settings

Control Output (COP)

Output Modes (OFF, 5V, 0-10V, PWM)

Error Message Modes (STAT N/STAT I)

Function Check (F CHCK)

Function Check Activation

Heat Quantity Counter (HQC)

Required Information for HQC

HQC Sensor and Flow Settings

Volume Flow Encoder Settings (VSG, LPP)

Configuration for volume flow encoders like VSG and LPP.

Fixed Flow and Antifreeze Settings (V, SA)

HQC Settings and Accuracy

DIF Setting for Accuracy

Tips on Accuracy

Guidance on achieving accurate measurements with the heat counter.

Step-by-Step HQC Setup (VSG)

VSG Pulse Encoder Setup Steps

Step-by-step guide for setting up the VSG pulse encoder for HQC.

Step-by-Step HQC Setup (FTS/No Flow)

FTS...DL Setup Steps

Step-by-step guide for setting up FTS...DL for HQC.

No Volume Flow Encoder Setup

Steps for HQC setup when no volume flow encoder is used.

External Sensors (EXT DL)

Connecting and Addressing Sensors

Status Display (Status)

Monitoring System Status

Function Check and CETOFF Status

Status Display Error Indicators

Error Sensor and Circulation

OK and No Error Status

Installation Instructions

Sensor Installation

Proper arrangement and installation of sensors for correct system function.

Sensor Lines

Guidelines for extending sensor lines and ensuring signal integrity.

Installing the Device

Electrical Connection

Instructions for electrical connection, including safety precautions.

Data Link and PC Interface

Troubleshooting Tips

Realistic Temperature Issues

Troubleshooting steps for malfunctions with realistic temperature values.

Incorrect Temperature Display

Diagnosing and resolving issues with incorrect temperature displays.

Table of Settings

Basic Functions and Values Table

System Protection Settings Table

Settings Tables (Continued)

Control Output Settings Table

Technical Data