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Vaillant TURBOmax Pro 28 User Manual

Vaillant TURBOmax Pro 28
72 pages
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INSTRUCTIONS FOR
INSTALLATION AND SERVICING
TURBOmax Pro 28/2 E
Wall hung room sealed fan assisted combination boilers
The code of practice for the installation,
commissioning & servicing of central heating systems
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Table of Contents

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Vaillant TURBOmax Pro 28 Specifications

General IconGeneral
BrandVaillant
ModelTURBOmax Pro 28
CategoryBoiler
LanguageEnglish

Summary

Boiler Specification

Technical Data

Lists all key technical parameters and specifications of the TURBOmax Pro boiler.

Boiler Connections

Boiler Connections Diagram

Illustrates and labels all pipework and service connection points on the boiler.

Installation Location and Gas Supply

Boiler Location Guidelines

Specifies requirements for choosing a suitable and safe installation location for the boiler.

Gas Supply Requirements

Details the necessary gas supply, meter checks, and pipework standards.

Flue System Options

Flue System Types

Describes different top and rear outlet flue systems and their extensions.

Flue Termination Requirements

Flue Termination Distances

Provides safety distances for flue terminals based on location and building features.

Air Supply and Electrical Connection

Electrical Supply Requirements

Outlines the specifications for the mains electrical supply connection.

System Requirements and Filling

Filling and Pressure Relief

Explains system filling, pressure relief valve, and gauge.

Expansion Vessel Sizing

Expansion Vessel Capacity

Details the boiler's expansion vessel and guidance for system sizing.

Boiler Installation Sequence - Preparation

Boiler Location Preparation

Details required clearances for boiler installation and servicing access.

Selecting Boiler Position

Guidelines for choosing the optimal and compliant location for the boiler.

Commissioning Part I - Initial Checks

Gas Supply Adjustments - Inlet Pressure

Checking Gas Inlet Working Pressure

Procedure to check and set the incoming gas pressure using a U-gauge.

Gas Supply Adjustments - Burner Pressure

Checking Main Burner Pressure

How to check the main burner pressure for natural gas and LPG.

Functional Checks - Overview

Servicing - Initial Inspection

Cleaning Burner and Heat Exchanger

Burner and Primary Heat Exchanger Cleaning

Detailed steps for cleaning the burner and primary heat exchanger.

Parts Replacement - Safety and Preparation

Safety Instructions for Parts Replacement

Essential safety precautions to follow before replacing parts.

Fault Finding Introduction and Procedures

Logical Fault Finding Procedure

Outlines a systematic approach to diagnosing boiler faults.

Fault Finding - Electrical Supply Checks

Electrical Supply and On/Off Control Faults

Flowchart for diagnosing issues with electrical supply, fuses, and controls.

Fault Finding - Pump and Fan Checks

Pump and Fan Operation Faults

Flowchart for diagnosing problems related to the pump and fan.

Fault Finding - Central Heating and Controls

Central Heating and Controls Faults

Flowchart for diagnosing central heating demand and control issues.

Fault Finding - Flue and Ignition System

Flue and Ignition System Faults

Flowchart for diagnosing problems with the flue and ignition system.

Fault Finding - Gas Valve and CH Pressure

Gas Valve and CH Pressure Faults

Flowchart for diagnosing gas valve and central heating pressure issues.

Fault Finding - Burner Modulation

Burner Modulation Faults

Flowchart for diagnosing issues with burner modulation and operation.

Fault Finding - DHW Operation

Domestic Hot Water Operation Faults

Flowchart for diagnosing problems with the domestic hot water system.

Diagrams - Functional Flow

TURBOmax Pro Functional Flow Diagram

Schematic illustrating the operational flow of the TURBOmax Pro boiler.

Diagrams - Wiring

TURBOmax Pro Wiring Diagram

Diagram showing the electrical wiring connections for the TURBOmax Pro.

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