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Meridian 5.24 User Manual

Meridian 5.24
49 pages
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1
5.24 and 5.32 N3V
CONDENSING GAS – FIRED
WALL MOUNTED
STAINLESS STEEL BOILER
Heating only or with external tank
and Solar System
INSTRUCTIONS FOR INSTALLATION
OPERATING AND MAINTENANCE
AUSTRALIAN VERSION
For Sales and Service contact;
AGENT
Automatic Heating Pty Ltd
51 Assembly Drive, PO Box 356
Tullamarine Vic 3043 Australia
Telephone: +61 3 9330 3300 Facsimile +61 3 8318 7319
Email: sales@automaticheating.com.au | www.automaticheating.com.au

Table of Contents

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Meridian 5.24 Specifications

General IconGeneral
CH output24kW
DHW output24kW
Heating Capacity24 kW
MountingWall
Fuel TypeNatural Gas

Summary

User Instructions

User Safety Warnings

Essential advice and warnings for safe and proper boiler operation.

Initial Boiler Start-Up

Step-by-step guide for initial boiler activation and system checks.

Boiler Signals and Diagnostics

Understanding boiler display information, fault codes, and error signals.

Boiler Shutdown Procedures

Procedures for safely turning off the boiler for short or long periods.

Solar System Operation

Instructions for integrating and operating the optional solar system.

Heating System Pressure Regulation

Maintaining correct heating system pressure and safety valve operation.

Periodic System Maintenance Checks

Recommended inspection schedule for boiler components by authorized personnel.

Antifreeze Protection Feature

How the boiler's built-in antifreeze function protects against freezing.

Definitive Boiler Dismantling

Procedures for safely and completely removing the boiler.

Troubleshooting Boiler Problems

Troubleshooting guide for common boiler issues and their resolutions.

Installer Instructions

Boiler Installation Guidelines

Guidelines for professional installation, including general rules and room requirements.

Hydraulic Connections Procedure

Proper procedures for connecting water circuits in heating and DHW modes.

Condensate Drainage System Installation

Installation requirements for the condensate trap and drainage system.

Gas Connection Safety

Safety regulations and procedures for connecting the gas supply.

Electrical Connection Safety

Ensuring electrical safety through proper grounding and wiring connections.

Thermoregulation and Accessories

Connecting and configuring thermostats, external sensors, and remote controls.

Automatic High/Low Temp Circuit

Optimizing performance for systems with different temperature zones.

Heating Circuit Filling

Procedure for filling the heating circuit with water and venting air.

Boiler System Start-Up Procedures

Checks and procedures required before initial boiler operation.

Draught Terminal Positioning Regulations

Regulations for installing flue outlets and terminals according to safety codes.

Type B23 Configuration

Installation guidelines for open chamber and forced draft configurations.

Wall Mounted Coaxial Duct Installation

Installation of Type C13 coaxial air/flue ducts.

Roof Outlet Air/Flue Duct Type C33

Installation instructions for vertical roof outlet air/flue duct systems.

Separate Air/Flue Outlet System

Installation of Type C43 separate air and flue outlet systems.

Chimney Flue Outlet Systems

Guidelines for installing C53-C83 type chimney flue outlet systems.

Solar System Functionality

Activation and configuration of the solar integration system.

Servicing Instructions

Servicing: First Start-Up Tests

Checks to perform before the initial boiler start-up.

Servicing: Stand-Alone Settings

Configuring boiler parameters and setpoints for standalone operation.

Servicing: Fan Rotation Speed Adjustment

Checking and adjusting the fan speed for optimal performance.

Servicing: Display Menu Navigation

Navigating the boiler display to view parameters like temperature and fan RPM.

Servicing: Gas Pressure Regulation

Procedures for checking and adjusting gas pressure and CO2 levels.

Servicing: CO2 Adjustment (Models 5.24/5.32)

Step-by-step guide for setting CO2 levels for MERIDIAN 5.24/5.32.

Servicing: CO2 Adjustment (Model 3.15)

Step-by-step guide for setting CO2 levels for MERIDIAN 3.15.

Servicing: Boiler Diagnostic Codes

Interpreting display information for malfunctions and lockouts.

Servicing: Maintenance Function Activation

Activating a function to check combustion parameters.

Servicing: Nominal Heating Power Adjustment

Modifying the boiler's heating output percentage.

Servicing: Flow Temperature Selection

Choosing the flow temperature range for the heating phase.

Servicing: Pump Anti-Seize Function

How the pump anti-seize feature prevents circulator blockage.

Servicing: Heating Anti-Freeze Function

How the boiler's antifreeze function operates during heating mode.

Servicing: Annual Maintenance Checks

Annual checks and tests for boiler upkeep.

Servicing: Burner & Heat Exchanger Maintenance

Annual cleaning procedures for the burner and heat exchanger.

Servicing: Troubleshooting Guide

Comprehensive troubleshooting table for boiler issues and their remedies.

Product Warranty Information

Terms and conditions of the product warranty.

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