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Riello RS 34/E MZ User Manual

Riello RS 34/E MZ
76 pages
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Installation, use and maintenance instructions
20068131 (2) - 09/2016
Forced draught gas burners
Progressive two-stage or modulating operation
CODE MODEL TYPE
3789400 - 3789410 RS 34/E MZ 888 T
3789401 - 3789411 RS 34/E MZ 888 T
3789500 - 3789510 RS 44/E MZ 889 T
3789501 - 3789511 RS 44/E MZ 889 T
3789530 - 3789540 RS 44/E MZ 889 T
3789531 - 3789541 RS 44/E MZ 889 T
GB

Table of Contents

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Riello RS 34/E MZ Specifications

General IconGeneral
BrandRiello
ModelRS 34/E MZ
CategoryBurner
LanguageEnglish

Summary

Declarations

Declaration of Conformity ISO/IEC 17050-1

Details conformity with ISO/IEC 17050-1 standards, listing manufacturer, product, and technical standards.

Declaration of Conformity Belgium A.R.

Certifies apparatus conformity with CE declaration and specific L.D. provisions dated January 8, 2004 and July 17, 2009.

Manufacturer's Declaration NOx Emission Limits

RIELLO S.p.A. declares compliance with German NOx emission limits as per '1. Blm-SchV release 26.01.2010'.

Information and General Warnings

Instruction Manual Information

Details the importance of the manual, its contents, and how to use it for installation, start-up, and maintenance.

General Dangers and Symbol Meanings

Explains danger levels (DANGER, WARNING, CAUTION) and common symbols used in the manual for safety.

Operational Symbols and Abbreviations

Defines specific warning symbols (Live Components, Flammable Material, Burning, Crushing) and abbreviations used.

System Delivery and Manual Handling

Instructions for the user upon system delivery, emphasizing manual retention and contact information.

Guarantee and Manufacturer Responsibility

Outlines the manufacturer's guarantee conditions and responsibilities, including warranty annulment causes.

Safety and Prevention

Safety and Prevention Introduction

Highlights the importance of safe design and potential risks from improper use, emphasizing user awareness.

Personnel Training and Responsibilities

Defines user responsibilities for machine operation and personnel training, ensuring adherence to safety instructions.

Technical Description of the Burner

Burner Designation System

Explains the coding system for burner designation, detailing components like Fuel, Size, Adjustment, Emission, Head, and Flame Control.

Available Burner Models

Lists the different burner models available, specifying their designation, voltage, start-up type, and associated code.

Burner Categories by Destination

Details burner categories based on country of destination and gas category specifications.

Technical Data Specifications

Provides key technical specifications including output, fuel, gas pressure, operation, ambient temperature, and noise levels.

Electrical Data Specifications

Details electrical specifications such as main supply, control circuit, fan motor, motor capacitor, and ignition transformer.

Burner Maximum Dimensions

Presents the physical dimensions of the burner, illustrated with a diagram and specific measurements (A, D, E, etc.).

Burner Firing Rate Performance

Illustrates burner firing rates and combustion chamber pressure versus thermal power for different models.

Firing Rate Adjustment for Air Density

Explains how to adjust firing rates based on air temperature and altitude using corrective factors.

Test Boiler Specifications

Describes the test boiler used for EN 676 regulations and indicates combustion chamber diameter and length.

Included Burner Equipment

Lists the standard components supplied with the burner, such as gas train flange, gaskets, screws, and instruction manual.

Burner Component Identification

Provides a detailed diagram identifying all major burner components with numbered labels.

REC 27.100A2 Control Box Functionality

Details the functions, safety notes, installation guidelines, and mechanical structure of the REC 27.100A2 control box.

Flame Detector Electrical Connections

Provides important notes on electrical connections for flame detectors, including separation of cables and grounding.

Electrical Cable Length Specifications

Specifies maximum allowed cable lengths for various connections to the control box, ensuring signal integrity.

Environmental and Transport Conditions

Defines the climatic, mechanical, and temperature conditions for storage, transport, and operation of the burner.

Burner Operation Sequence Diagram

Illustrates the burner's operational sequence with input signals, output signals, and servomotor movements across different phases.

Operator Panel Operation and Symbols

Explains how to operate the control box using the operator panel, including symbol descriptions and display functions.

Operator Panel Button Functions

Details the functions of each button on the operator panel for navigation, adjustment, and mode selection.

Servomotor Technical Details

Provides technical data, installation notes, and operational principles for the servomotors used in the burner.

Installation

Installation Safety Precautions

Emphasizes critical safety measures during installation, including electrical disconnection and qualified personnel.

Burner Handling Procedures

Provides guidelines for safe handling of the burner, including packaging, moving, and workplace safety.

Preliminary Installation Checks

Lists essential checks before installation, including consignment integrity and burner identification label verification.

Permitted Burner Operating Positions

Specifies the allowed operating positions for the burner (1-4) and prohibits position 5 for safety reasons.

Boiler Preparation for Burner Installation

Guides on preparing the boiler, including suitability for flame inversion and bottom runoff, and front hatch thickness.

Boiler Plate Drilling Specifications

Details the procedure for drilling holes in the boiler plate, mentioning threaded holes and thermal insulation screen.

Blast Tube Length Selection

Provides guidance on selecting the correct blast tube length based on boiler door thickness and available lengths.

Probe and Electrode Positioning

Explains the correct positioning of the probe and electrode for optimal burner performance and safety.

Securing Burner to Boiler Installation

Details the process of physically attaching the burner to the boiler, including lifting, fixing, and sealing.

Combustion Head Adjustment Procedure

Describes how to adjust the combustion head based on the maximum burner output using a specific diagram.

Burner Air Adjustment Settings

Explains how to adjust the air flow using a specific screw and refers to a diagram for notch settings.

Central Air Delivery Adjustment

Details modifying central air delivery using a ring nut and screws, with notes on initial start-up adjustments.

Burner Reassembly and Closing

Guides on reassembling the burner after adjustment, including connecting cables and fitting components.

Gas Feeding Safety and Precautions

Provides essential safety warnings and precautions for gas feeding operations, emphasizing explosion risks.

Gas Feeding Line Components and Types

Illustrates different gas feeding line configurations (MB, MBC, DMV, CB) and lists key components and their functions.

Gas Train Selection and Installation

Explains gas train selection based on EN 676 and provides instructions for its installation, including safety checks.

Gas Pressure and Output Charts

Details gas pressure drop charts versus output for different models and gas types, including test point measurements.

Gas Pressure Calculation Example

Provides a practical example for calculating gas pressure at a test point based on output and combustion chamber pressure.

Electrical Wiring Safety Guidelines

Outlines crucial safety instructions for electrical wiring, including disconnection, qualified personnel, and earthing.

Modulating Operation Wiring Notes

Specific notes for modulating operation, including removal of TR/TL thermostats and covering the 4-pole socket.

Cable Connections and Grommets

Details the connection sockets for single-phase and three-phase models and explains the use of cable grommets.

Thermal Relay Calibration (RS 44/E MZ Three-Phase)

Explains the function and calibration of the thermal relay for motor protection in three-phase models.

Start-up, Calibration and Operation of the Burner

First Start-up Safety Precautions

Emphasizes that the first start-up must be performed by qualified personnel, checking all safety devices.

Pre-Ignition Adjustments and Checks

Lists essential adjustments before ignition, including gas piping, pressure switches, and gas delivery checks.

Burner Start-up Procedure

Details the steps for starting the burner, including power supply, switch positions, and checking solenoid voltage.

Burner Output Adjustment

Explains how to adjust burner output according to EN 676, covering ignition output and maximum output settings.

Burner Firing Output Calibration

Details firing output calibration methods for different output ranges, including measurement of ignition output.

Setting Maximum Burner Output

Describes how to set the maximum output, adjust gas delivery, and vary air servomotor settings.

Gas Delivery Adjustment

Explains how to measure and adjust gas delivery using the meter and pressure adjuster.

Air Servomotor Adjustment

Describes how to adjust the air servomotor for optimal combustion.

Setting Minimum Burner Output

Explains how to set the minimum output within the firing rate.

Pressure Switch Final Calibration

Details the final calibration procedures for air, minimum gas, and PVP pressure switches.

Air Pressure Switch Calibration Procedure

Provides a step-by-step guide to calibrating the air pressure switch, including connection and adjustment methods.

Minimum Gas Pressure Switch Calibration

Explains how to calibrate the minimum gas pressure switch by adjusting clockwise until lockout and then anticlockwise.

PVP Pressure Switch Kit Calibration

Instructs to adjust the PVP pressure switch according to the kit's specific instructions.

Display Modes and Programming

Describes the different modes (Normal, Info, Service, Parameter) for visualizing and programming burner functions.

Normal Operation Display Mode

Details the standard operating mode, allowing visualization of conditions and manual adjustment of the operation point.

Error and Diagnostic Message Display

Explains how the display shows error codes and diagnostics, including lockout conditions and safety mode.

Stand-by Display Indication

Shows the display indication when the burner is in heat request waiting mode or selector is off.

Start-up and Stop Display Phases

Illustrates how the display shows burner start-up, ignition, and switch-off phases with phase numbers and timing.

Work Position Display

Shows how the display indicates the current load percentage or operation point of the burner.

Burner Lockout Reset Procedure

Details how to reset the burner after a lockout using the 'i/reset' key, clearing lockout signals and indicators.

Manual Burner Lockout

Explains how to manually block the control box and burner using specific key combinations.

Manual Operation and Curve Adjustment

Describes how to manually check burner operation along the modulation curve after adjustment.

Info Mode for System Information

Explains how to access Info Mode to view general system information and lists available parameters.

Service Mode for Errors and Information

Details how to access Service Mode to view error logs and technical system information.

Parameter Mode Access and Navigation

Explains how to access Parameter Mode, including the password procedure and navigating parameter groups.

Parameter Group Allocation

Shows how parameters are subdivided into groups and how to select and access them.

Parameter Value Modification Procedure

Details the process of modifying parameter values, including selecting, adjusting, confirming, and storing changes.

Modulation Curve Point Adjustment

Guides on inserting and adjusting points on the modulation curve for servomotor control.

Modulation Curve Recalculation (CALC)

Explains the CALC function for recalculating modulation curve points based on adjustments.

Complete Burner Start-up Procedure

Provides a comprehensive step-by-step guide for the entire burner start-up process.

Factory Default Modulation Curve Settings

Lists the factory default settings for air and gas servomotor positions for different burner models.

Data Backup and Restore Procedure

Details the procedure for backing up and restoring burner parameters and modulation curve data.

Creating a Parameter Backup

Step-by-step instructions for performing a backup of burner parameters to the REC/RDI21.

Restoring Burner Parameters

Instructions for restoring burner parameters from a backup, useful after replacing equipment or for troubleshooting.

Comprehensive Parameter List

A detailed list of all parameters, their descriptions, value ranges, default settings, and access modes.

Parameter List (Continued)

Continues the detailed list of parameters, covering burner operation modes, checks, and servomotor settings.

Parameter List (Continued)

Further parameters listed, including gas/oil selection, pre-purging times, and modulation curve settings.

Parameter List (Continued)

Continues the parameter list, covering servomotor settings, error logs, and process information.

Parameter List (Continued)

Final part of the parameter list, including actual output, status, and error indicators.

Steady-State Operation Modes

Describes steady-state operation for burners with and without modulating operation kits.

Troubleshooting Ignition Failures

Provides causes and solutions for ignition failures, including gas delivery issues and safety lockout.

Flame Out During Operation Troubleshooting

Explains burner behavior when the flame goes out, including recycle attempts and lockout.

Burner Shutdown Procedures

Details manual methods for stopping the burner, including using the main switch or operator panel.

Final Checks During Burner Operation

Lists final checks to be performed while the burner is operating, ensuring correct responses to safety device actions.

Maintenance

Maintenance Safety Precautions

Highlights safety measures for maintenance, including electrical disconnection, fuel tap closure, and component cooling.

Scheduled Maintenance Program

Outlines the recommended maintenance frequency and procedures for the gas combustion system.

Annual Maintenance Check

Specifies that the gas combustion system should be checked annually by a manufacturer representative or technician.

Component Cleaning and Inspection

Guides on checking and cleaning the boiler, combustion parameters, combustion head, fan, and burner exterior.

Ionisation Current Measurement Procedure

Explains how to measure ionisation current using a microammeter, emphasizing polarity checks.

Air and Gas Pressure Check

Details using a pressure gauge to measure air and gas pressure at the combustion head.

Faults - Probable Causes - Solutions

Burner Error Code Troubleshooting

Provides a comprehensive list of error codes, their meanings, and recommended troubleshooting measures.

Burner Error Code Troubleshooting (Continued)

Continues the error code list, detailing causes and solutions for various internal and relay supervision errors.

Burner Error Code Troubleshooting (Continued)

Further error codes and their troubleshooting steps, including EEPROM access, backup/restore, and internal errors.

Burner Error Code Troubleshooting (Continued)

Lists additional error codes related to transmission, time-out, TÜV test, and lockout conditions with solutions.

Burner Error Code Troubleshooting (Continued)

Final error codes related to internal errors and management, providing troubleshooting steps.

Appendix - Accessories

Long Head Kit Specifications

Lists codes and lengths for long head kits compatible with RS 34/E MZ and RS 44/E MZ burners.

Spacer Kit Details

Provides the code and thickness for the spacer kit compatible with RS 34-34/E MZ burners.

Continuous Purging Kit Information

Lists the code for the continuous purging kit compatible with RS 34-34/E MZ burners.

Soundproofing Chamber Kit Details

Provides type, dB(A) rating, and code for the soundproofing chamber kit for RS 34-34/E MZ burners.

Modulating Operation Power Regulator Kit

Details components and parameters for the output power regulator kit for modulating operation.

Differential Switch Kit Information

Lists the burner model and code for the differential switch kit.

Maximum Gas Pressure Switch Kit

Provides the burner model and code for the maximum gas pressure switch kit.

Clean Contacts Kit Details

Lists the burner model and code for the clean contacts kit.

Software Interface Kit for Service

Provides the code for the software interface kit (ACS410 + OCI410.30) for service level operations.

Modbus Interface Kit Specifications

Details the burner model, code, and interface type for the Modbus interface kit.

PVP Kit (Pressure Valve Proving)

Lists the burner model, gas train type, and code for the PVP kit.

Gas Trains EN 676 Compliance

Refers to the manual for gas trains compliant with EN 676 standards.

Appendix - Electrical Panel Layout

Electrical Panel Layout Index

An index listing the different operational layout sheets for the electrical panel.

Electrical Panel Reference System

Explains the system for indicating references on electrical layouts using sheet numbers and coordinates.

REC27 Operational Layout - Sheet 3 (RS 34/E MZ)

Shows the operational layout for the REC27 control box for the RS 34/E MZ model.

REC27 Operational Layout - Sheet 3 (RS 44/E MZ)

Shows the operational layout for the REC27 control box for the RS 44/E MZ model.

REC27 Operational Layout - Sheet 3 (RS 44/E MZ 3Ph)

Details the operational layout for the REC27 control box for the RS 44/E MZ three-phase model.

REC27 Operational Layout - Sheet 4 (RS 34-44/E MZ)

Presents the operational layout for the REC27 control box on sheet 4, for RS 34-44/E MZ.

REC27 Operational Layout - Sheet 4 (RS 44/E MZ 3Ph)

Shows the operational layout for the REC27 control box on sheet 4, for RS 44/E MZ three-phase.

Electrical Panel Layout - KITS (Sheet 5)

Diagram illustrating electrical connections for various kits, including actuators, display, and Modbus interface.

Electrical Panel Layout - KITS (Sheet 6)

Shows electrical connections for RWF40 kit, gas valve control, and pressure switches.

Electrical Panel Layout - KITS (Sheet 7)

Illustrates electrical connections for remote reset, clean contacts, and pressure switches.

Probe Input Possibilities for RWF40 Kit

Details probe input options for RWF40 kits, including thermocouple and resistance thermometer connections.

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