Table of contents

Functional Description

Connection to the Macro “SWM_SummerWinterMode"

Heating Pre-Control in a 4-Pipe System

Heating Pre-Control in a 2-Pipe System

Heating Control

Heating Setpoint Calculation

Heating Control with or without Flow Temperature Sensor

Freeze Protection

Heat Demand Transmission

Change-Over Control

Change-Over Control

Chang-Over Command

Holiday Switch

Inputs and Outputs

Parameter List

Programming Hints

Default values for unused inputs

Program Example 2-Pipe System/ Merlin

Start-up Hints

Glossary