OUMAN EH-201/L - User Manual

OUMAN EH-201/L
is a new generation
heating regulator. Its versatility, intelligence
and clarity have made it an ideal heating
regulator for all kinds of water circulation
heating systems.
In addition to heating regulation, EH-201/L has
a number of other control and alarm functions
of buildings’ technical systems.
Measurement information can be read, settings
and controls can be checked and adjusted, and
alarms can be received and acknowledged via
a GSM telephone’s text messages.
EH-203 gives its user instructions
on a display.
Types of heating systems:
Radiator heating
Floor heating
Air conditioning
preregulation
Types of heating production:
District heating exchangers
Boiler plants
Accumulators
District heating substations
Locations:
Apartment buildings and row houses
Business premises and office buildings
Private homes and summer cabins
User manual
EH-201/L
Heating
regulator
MODBUS

OUMAN EH-201/L Specifications

General

Brand	OUMAN
Model	EH-201/L
Category	Controller
Language	English

Summary

EH-201;L Heating Regulator Overview

User Panel and Controls

Navigating and Adjusting Settings

Guides users on how to navigate menus and change regulator settings.

Adjusting the Characteristic Heating Curve

Understanding Heating Curve Data

Pre-increase and Autumn Drying Functions

Wind and Sun Compensation Features

Details how wind and sun conditions affect supply water temperature.

Relay Control: Burner and Electric Heater

Relay Control: Pump and Geothermal Heating

Details settings for pump control and various geothermal heating configurations.

Measurement Details and Sensor Connections

Sensor Connection Instructions

Illustrates how to connect various sensors to the regulator.

Supply Water Temperature Factors

Supply Water Temperature Calculation Example

Operating Modes Overview

Manual Electrical Actuator Control

Start Function and Regulator Modes

Self-Learning Regulator Functionality

Details the conditions and process for the self-learning regulator feature.

Sensor Fault and Freezing Alarms

External Alarms via Measurement Inputs

Alarm Acknowledgement Procedure

GSM Communication: Sending Commands

GSM Communication: Receiving Data

Explains how to request and receive data from the regulator via text messages.

GSM Control of Regulator Functions

Details how to adjust settings and control the regulator remotely via GSM.

Accessing Maintenance Mode

Maintenance Mode Menu Overview

Lists the main categories available within the maintenance mode.

Special Maintenance Mode Menu

PID Regulator Tuning Values

Actuator Selection and Control Modes

Relay 1 Control Mode Selection

Relay 1: Pump Stop and Time Control

Relay 1: Advanced Control Modes

Covers advanced relay control modes like geothermal heating and burner control.

Relay 2 Control Mode Selection

Relay 2: Heating Resistor & Geothermal Control

Explains how Relay 2 controls the heating resistor and geothermal heating unit.

Restoring Original Factory Settings

LON Initialization and Field Bus Connection

Modem Settings: Alarm Receiver Setup

Modem Settings: Device ID and PIN Configuration

Explains how to set the device ID and message center PIN for GSM communication.

Direct Computer Connection Guide

General Connection Diagram

EH-201;L Technical Specifications

Supply Water Regulation Principles