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Siemens RVL470 User Manual

Siemens RVL470
84 pages
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CE1P2522E
30.03.2000
Siemens Building Technologies
Landis & Staefa Division
RVL470 and RVL469
Heating Controllers
Basic Documentation
Edition: 2.1
Controller series: B

Table of Contents

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Siemens RVL470 Specifications

General IconGeneral
OutputRelay
HousingPlastic
Control signalPID
Ambient temperature0°C to +55°C
Output typeRelay

Summary

Summary of RVL470 and RVL469 Controllers

RVL470 and RVL469 Overview

Covers two heating controller types, RVL470 and RVL469, detailing RVL470 comprehensively.

Key Features and Description

Details RVL470 as a multi-functional controller for buildings, with key features and applications.

RVL470 Controller Usage

RVL470 Controller Functions

Lists the various functions the RVL470 can perform, from control to communication.

Fundamentals of RVL470 Operation

Key Technical Features

Highlights RVL470's key features: six pre-programmed plant types and function block settings.

RVL470 Operating Modes

Automatic Mode Details

Explains the automatic mode for the RVL470, including changeovers and ECO function.

Continuous REDUCED Heating Mode

Describes the continuous REDUCED heating mode and its features.

Continuous NORMAL Heating Mode

Details the continuous NORMAL heating mode and its specifications.

Manual Operation Guide

Describes manual operation, including how regulating units behave.

Acquisition of Measured Values

Room Temperature Measurement

Details acquisition of room temperature via sensors or room units.

Fault Handling for Room Temperature

Describes how the controller handles faults in room temperature measurement circuits.

Flow and Boiler Temperature Measurement

Covers acquisition of flow and boiler temperatures using sensors.

Fault Handling for Flow/Boiler Temperature

Details fault handling for flow/boiler temperature sensors.

Outside Temperature Measurement

Covers acquisition of outside temperature via sensors.

Primary Return Temperature Measurement

Covers acquisition of primary return temperature for limitations.

Secondary Return Temperature Measurement

Covers acquisition of secondary return temperature for DRT limitation.

Function Block: End-user 1

End-user 1 Operating Lines Configuration

Lists parameters and settings for the End-user 1 function block.

Setpoint Configuration

Covers setpoint configuration for heating modes and frost protection.

Heating Program Setup

Explains how to program heating schedules for daily and weekly operation.

Holiday Program Configuration

Describes how to program up to eight holiday periods per year for the controller.

Function Block: End-user 2

End-user 2 Operating Lines

Lists parameters and settings for the End-user 2 function block.

Fault Indication System

Lists common faults indicated by the controller and their corresponding numbers.

Function Block: Plant Type

General Commissioning Notes for Plant Type

Explains the importance of entering the correct plant type during commissioning.

Function Block: Space Heating

Space Heating Operating Lines

Lists parameters for the Space heating block, including ECO and optimization.

ECO Function Explained

Details the ECO function for energy-saving heating control based on building characteristics.

ECO Function Variables

Explains variables like building time constant and temperatures used by the ECO function.

Heating Limits for ECO Mode

Defines heating limits for NORMAL and REDUCED heating in ECO mode.

ECO Mode Operation

Describes how the ECO function controls heating based on outside temperature.

Switching Heating Off with ECO

Explains the conditions under which the ECO function switches the heating off.

Switching Heating On with ECO

Details the conditions for the ECO function to switch the heating back on.

Operating Modes and Statuses with ECO

Shows how ECO function relates to different operating modes and statuses.

Selecting Room Temperature Source

Explains how to select the source for room temperature measurement.

Optimization Features

Covers optimization features for energy saving and comfort.

Optimization Definition and Purpose

Defines optimization as automatic shifting of switch-on/off points for energy saving.

Optimization Fundamentals

Explains selection options for optimization type and parameters.

Optimization with Room Temperature Sensor

Describes optimization with a room temperature sensor for optimum start/stop control.

Optimization Without Room Temperature Sensor

Explains optimization without a sensor, relying on the room model.

Room Model Temperature Calculation

Details how the room model temperature is determined.

Optimum Stop Control

Explains optimum stop control to ensure correct room temperature at occupancy end.

Quick Setback Function

Describes quick setback for reducing temperature during unoccupied periods.

Optimum Start Control

Details optimum start control to reach desired temperature by occupancy start.

Boost Heating Function

Explains boost heating for temporarily increasing room temperature setpoint.

Maximum Room Temperature Limitation

Explains how to set a maximum limit for room temperature.

Room Temperature Influence on Control

Details how room temperature influences flow temperature control.

Heating Curve Settings

Explains how the heating curve determines flow temperature based on outside temperature.

Basic Heating Curve Setup

Describes how to set the basic heating curve using bar or operating lines.

Parallel Displacement of Heating Curve

Explains how to displace the heating curve parallelly.

Setpoint Generation Methods

Explains setpoint generation via heating curve or manual preselection.

Weather-Compensated Setpoint Generation

Explains setpoint generation via heating curve or manual preselection.

Function Block: Three-Position Actuator

Function Block: Boiler

Maximum Boiler Temperature Limit

Explains how to set a maximum limit for boiler temperature.

Two-Position Boiler Control

Explains two-position control for burner stages.

Two-Stage Burner Control

Explains control for two-stage burners, including parameters.

Protective Boiler Startup

Describes protective boiler startup logic and its effect on connected loads.

Boiler Over-Temperature Protection

Details the function for preventing boiler overtemperatures.

Function Block: Setpoint of Return Temperature Limitation

Minimum Return Temperature Limitation

Details minimum limitation of return temperature for boiler protection.

Function Block: District Heat

Maximum Primary Return Temperature Limitation

Details maximum limitation of primary return temperature for utility protection.

Max Return Temperature Differential (DRT) Limitation

Covers limitation of the return temperature differential (DRT).

Service Functions and General Settings

Commissioning Aids

Presents aids for commissioning and fault tracing.

Gain of Locking Signal

Covers adjustment of locking signal gain for load response.

Function Block: Locking Functions

Communication Features

RVL469 Controller

Controller Handling and Operation

Controller Operating Elements

Identifies and explains the controller's physical operating elements.

Setting Levels and Access Rights

Details different user levels and their access rights.

Controller Commissioning Process

Guides through the process of installing and commissioning the controller.

Setting the Plant Type Operating Line

Emphasizes setting the correct plant type during commissioning.

Engineering and Connections

Connection Terminals Overview

Details all connection terminals on the controller.

Connection Diagrams

Shows basic wiring diagrams for different plant types.

Mechanical Design and Dimensions

RVL470 Dimensions and Mounting

Provides detailed physical dimensions and mounting information.

Technical Data

RVL470 Technical Specifications

Lists technical specifications, certifications, and performance data.

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