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Siemens Synco 700 Series User Manual

Siemens Synco 700 Series
232 pages
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Edition 2.1
Controller series B
CE1P3132en
23.04.2009
Building Technologies
Synco
700
Modular boiler sequence controller RMK770
including extension modules RMZ785, RMZ787, RMZ788 and
RMZ789
Basic Documentation

Table of Contents

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Siemens Synco 700 Series Specifications

General IconGeneral
BrandSiemens
ModelSynco 700 Series
CategoryController
LanguageEnglish

Summary

Summary

Product Range

Details the available units and their product numbers in the Synco™ 700 series.

System Topology

Illustrates the network connections between controllers, operator units, and other devices.

Equipment Combinations

Lists compatible sensors, room units, and actuators with their technical data.

Product Documentation

Provides a list of related documents for Synco™ 700 products with classification numbers.

Important Notes

Contains crucial information on safety, field of use, installation, operation, and disposal.

Operation

Operation Without Operator Unit

Describes operating elements on the controller and extension module without an operator unit.

Operation With Operator Unit

Covers functions, operating concept, levels, and access rights for operator units.

Commissioning

Basic Concept

Explains the fundamental principles of boiler sequencing and plant types.

Entering the Commissioning Mode

Details the initial steps and menu structure for entering commissioning mode.

Basic Configuration

Covers essential settings like plant type and extension module assignments.

Extra Configuration

Allows adaptation of hydraulics, extra functions, and activation of function blocks.

Several Boiler Sequence Controllers RMK770

Describes how to use multiple RMK770 controllers for complex boiler sequences.

Wiring Test

Guides on testing inputs and outputs to identify wiring or configuration errors.

Completing Commissioning

Explains how to exit commissioning mode and start the plant.

Data Backup

Details how to store and restore the configuration and settings.

Device Information

Provides information about the controller, such as software and hardware versions.

Plant Types and Default Terminal Assignments

Shows terminal assignments for various plant types.

General Settings

Time of Day and Date

Covers setting the time, date, and summer/winter time changeover.

Selecting the Language

Explains how to select the display language for the controller.

Selecting the Unit of Temperature

Details how to switch between Celsius (°C) and Fahrenheit (°F) units.

Contrast of the Operator Unit’s Display

Describes how to adjust the display contrast for better readability.

Text Entry

Covers setting device names, file names, and fault texts.

General Functions, Fundamentals

Time Switch

Describes the time switch functionality for automatic heating circuit operation.

Holidays / Special Days

Explains how to enter days deviating from the normal 7-day program.

Frost Protection for the Plant

Details how to activate frost protection for the plant and pumps.

Pump Overrun and Mixing Valve Overrun

Covers activating overtemperature protection for pumps and mixing valves.

Pump Kick and Valve Kick

Explains protective functions to prevent seizing of pumps and valves.

Heat Demand and Load Control

Describes how heat demand signals are managed and load control is applied.

Mixing Valve Control

Covers control parameters and setting aids for mixing valves.

Pump Control

Details hours run counter, pump supervision, twin pumps, changeover logic, and overload.

Boiler Sequence Management

Overview of Function Block

Presents a diagram of the Boiler Sequence Manager function block and its inputs/outputs.

Configuration

Explains how the Boiler Sequence Manager is activated and configured.

Boiler Sequence Management

Details the concept, control parameters, and operation settings for boiler sequencing.

Supervision of Faults

Covers monitoring faults for the main pump and boiler sequence.

Heat Demand and Heat Requests

Explains how heat demand and requests are handled by the system.

Other Functions

Covers common maintained boiler return temperature, flow temperature limits, and frost protection.

Diagnostics

Describes how to access and interpret diagnostic information.

Fault Handling

Details fault messages and handling procedures for various components.

Boiler Control

Overview of Function Block

Presents the BoCtrl function block diagram with inputs and outputs.

Configuration

Explains basic and extra configuration for boilers, including burner types and hydraulics.

Additional Boilers

Describes how to configure additional boilers beyond the basic setup.

Boiler Operating Modes and Boiler Setpoints

Covers selecting operating modes and understanding boiler setpoints.

Releasing and Locking a Boiler

Details how to release or lock boilers via digital inputs or operating mode.

Individual Operation

Explains how to configure and use individual operation for a boiler.

Test Mode and Commissioning Aids

Describes how to use test modes for boilers and burners.

Control of the Burner

Covers 2-position control for 1-stage and 2-stage burners, and modulating burner control.

Protective Boiler Functions

Details functions like maximum/minimum temperature limits and boiler startup.

Flue Gas Temperature Supervision

Explains how to monitor flue gas temperature and related fault messages.

Flue Gas Measuring Mode

Describes how to activate and use the flue gas measuring mode.

Boiler Faults

Lists common boiler faults, their causes, and effects.

Burner Hours Run Counter and Output Balance

Covers tracking burner operating hours and calculating output balance.

Fault Status Messages

Lists various fault status messages for boilers and their effects.

Boiler Designations

Explains how to assign specific designations to boilers.

Diagnostic Choices

Lists available diagnostic parameters for boilers and inputs/setpoints.

Heat Demand and Heat Requests

Heat Requests

Describes sources of heat requests and how they are delivered.

Weather-Compensated Setpoint for Boiler Sequencing

Explains using a virtual heating circuit for weather-compensated setpoints.

Heat Demand Transformers

Details how heat demand transformers convert signals to flow temperature setpoints.

Precontrol

Overview of Function Block

Presents the Precontrol function block diagram and its configuration.

Configuration

Explains the activation and configuration of the Primary controller function block.

Types of Primary Controller

Describes Type 1 (with mixing valve) and Type 2 (with system pump) primary controllers.

Plant Operation

Indicates if the primary controller is switched on and if the pump runs.

Heat Demand and Heat Request

Covers how the Primary controller collects heat demand signals.

Control of Mixing Valve

Details mixing valve control settings and load control influence.

Setpoint Boost Mixing Valve and System Pump

Explains setpoint boost for compensating temperature fluctuations.

Limit and Protective Functions

Covers frost protection, temperature limitations, and pulse limitation.

Fault Handling

Lists fault numbers, texts, and effects for primary controller and system pump faults.

Diagnostic Choices

Lists diagnostic parameters for primary controller inputs and outputs.

Heating Circuit Control

Overview of Function Block

Presents the heating circuit function block diagram and its components.

Configuration

Explains activating the heating circuit function block via extra configuration.

Heating Circuit Operating Mode

Details room operating modes (Auto, Comfort, Precomfort, Economy, Protection).

User Requests from the Room

Covers overriding the 24-hour program and using room units like QAW740.

Room Operating Mode Contact

Explains using a configurable input for changing the room operating mode.

Timer Function

Describes how a timer function can extend Comfort mode operation.

Room Operating Mode Outputs

Details how operating modes can be sent to relays for external signaling.

Plant Operation

Indicates if the heating circuit is switched on and if the pump operates.

Control Priorities in the Heating Circuit

Shows the priority hierarchy for different control interventions.

Room Temperature Setpoints

Covers settings for room operating modes and remote setpoint adjusters.

Weather-Compensated Heating Circuit Control

Explains determining flow temperature setpoints based on outside temperature.

Heating Limit Switch

Describes how to restrict heat delivery to prevent energy waste.

Mixing Valve Control

Details control parameters and load control for mixing valves.

Optimization Functions

Covers functions like optimum start/stop, quick setback, and boost heating.

Limit and Protective Functions

Includes maximum room temperature limitation and return temperature limitation.

Pulse Limitation

Explains how to limit heat output using pulses from meter inputs.

Frost Functions and General Protective Functions

Details frost protection for the plant/flow and heating up brake.

Heat Demand

Describes how heat demand signals are connected and parameterized.

Fault Handling

Lists fault messages for heating circuit sensors and pumps.

Diagnostic Choices

Lists available diagnostic parameters for heating circuit inputs and outputs.

Data Acquisition

Trend

Explains time-related recording of measured values using trend channels and views.

Fault Handling

Describes fault handling related to trend signals and power failures.

Meters

Covers meter configuration, types, pulse valency, overflow, and readings.

Assignment of Texts

Explains how to assign specific texts to meters for display.

Fault Handling

Details fault handling for meters, particularly no pulse signal messages.

Function Block “Miscellaneous“

Overview of Function Block

Presents the Miscellaneous function block and its configuration options.

Outside Sensor

Details connecting and using outside sensors for various functions.

Display Inputs

Covers configuring universal inputs for display purposes.

Outside Temperature Relay

Explains activating and configuring the outside temperature relay.

Diagnostic Choices

Lists diagnostic options for miscellaneous inputs and outputs.

Function Block “Faults“

Overview of Function Block

Describes the task of the Faults function block in collecting and evaluating fault messages.

Configuration

Explains configuring fault inputs and fault relays.

Fault Button

Details how fault status messages are indicated by the LED on the fault button.

External Fault Button

Describes the optional connection and function of an external fault button.

Fault Properties

Covers fault distinctions regarding acknowledgement, reset, priority, and plant behavior.

State Diagrams of the Individual Types of Fault

Illustrates state diagrams for simple, standard, and configured fault relays.

Predefined Fault Inputs

Lists predefined fault inputs for various function blocks.

Fault Inputs

Details universal fault inputs and their configuration.

Analog Fault Input with Limit Value Supervision

Explains monitoring analog inputs for limit value crossings.

Communication

Describes the impact of communication on fault handling and remote acknowledgement.

Fault Relays

Covers configuring fault relays for signaling fault status messages.

Display of Faults

Explains how to view current faults, fault history, and fault status messages.

Deletion of All Fault Status Messages

Details how to delete fault history and reset pending fault status messages.

Function Check and Wiring Test

Describes how to switch fault status inputs during wiring tests.

Diagnostic Choices

Lists diagnostic options for fault-related inputs and outputs.

Communication

Basic Settings

Covers essential settings like device address, power supply, and clock time operation.

Calendar Data (Holidays and Special Days)

Explains using the RMK770 calendar or another Synco™ 700 device's calendar.

Room Data

Details communication variants for room data exchange.

Heat Generation Zone and Boiler Sequence Zone

Explains the importance of zones for data exchange in boiler sequences.

Heat Distribution Zones

Describes heat distribution zones for heat demand and load control signals.

Outside Temperature

Covers exchanging outside temperature signals via zones.

Fault Handling

Lists fault messages related to bus power, clock time, system time switch, and room master.

Fault Tracing Support

Fault Code List

Provides a comprehensive list of fault numbers and their corresponding explanations.

Rectification of Faults

Offers solutions for common fault scenarios and troubleshooting questions.

Addendum

Configuration Diagrams

Includes terminal markings, code letters, and configuration choices.

Editable Texts

Lists editable texts for boiler sequence manager, boilers, primary controller, and heating circuit.

Menu Tree

Outlines the structure of the controller's menu system.

Info Pages

Describes how to access and navigate through various Info pages.

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