Siemens RWF55.6

CC1U7867en
05.11.2013
Building Technologies Division
Infrastructure & Cities Sector
RWF55.5 and RWF55.6
Compact universal controllers
Optimized for temperature and pressure control in connection with
modulating or multistage burners and air conditioning systems
User Manual
The RWF55.5/RWF55.6 and this User Manual are intended for use by OEMs which integrate the controllers in their
products!
Caution!
All safety, warning and technical notes contained in the Data Sheet on the
RWF55 (N7867) also apply to this document!

Siemens RWF55.6 Specifications

General

Display	LCD
Protection Category	IP30
Power Supply	AC 24 V
Temperature Range	0 °C to +50 °C
Mounting Type	Wall mounting
Digital Outputs	2
Analog Inputs	1
Weight	300 g
Ambient Temperature Range	-10…50 °C
Digital Inputs	2

Summary

Introduction

Safety notes and symbols

Important safety information, warning symbols, and personnel qualifications.

Installation

Mounting the controller in a panel cutout

Step-by-step guide for securely mounting the controller in a panel.

Electrical connections

Assignment of terminals

Detailed mapping of controller terminals to functions and circuits.

Operating modes

Response threshold (q)

Defines system response dynamics to control deviation for switching to higher output.

Cold start of plant

Controller behavior when starting a system after a prolonged shutdown period.

Thermal shock protection (TSS)

Function to protect equipment from rapid temperature changes.

Operation

Meaning of display and buttons

Explanation of the controller's front panel indicators and operational buttons.

Manual control, modulating burner

Procedure for manually controlling the modulating burner operation.

Manual control, 2-stage burner

Procedure for manually controlling the 2-stage burner operation.

Starting the self-setting function

Steps to initiate the automatic controller parameter tuning process.

Configuration ConF

Controller settings

Configuration of controller type, operating action, and setpoint limits.

Alarm and protection settings

Configuration of thermal shock protection and alarm functions.

Interface configuration

Self-setting function

Self-setting function in high-fire operation

Checking the controller parameters

PC software ACS411

Safety notes

System parameter settings

Profibus-DP interface

Wiring and parameter list

What to do if...

Alarm messages

Technical data

Output specifications

Electrical and environmental data