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Elson 150zd User Manual

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Pack Contents
Zircon unvented water heater incorporating immersion heater(s) & thermal controls•
Factoryttedtemperature/pressurereliefvalve(setat90°C/1Mpa(10bar))•
Coldwatercombinationvalveassembly•
Expansionvessel&mountingbracket•
Tundish•
2 Port motorised valve (indirect models only)•
Compressionnuts&olives•
Immersion heater spanner•
Installation & servicing instructions•
Guarantee card•
IMPORTANT
Pleaseread&understandalltheseinstructionsbeforecommencinginstallation.
Pleaseleavethismanualwiththecustomerforfuturereference.
Zircon Installation Manual
Unvented Direct & Indirect Water Heaters
Installation & Servicing Instructions
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Elson 150zd Specifications

General IconGeneral
BrandElson
Model150zd
CategoryWater Heater
LanguageEnglish

Summary

General Requirements for Unvented Water Heaters

Unit Siting Considerations

Guidelines for positioning the cylinder to ensure optimal performance and access for maintenance.

Key Operational Summary

Installation General Procedures

Cold Water Combination Valve Assembly

Description, placement, and function of the pressure reducer and expansion valve.

Expansion Vessel Details

Information on the expansion vessel's purpose, pre-charge, and connection.

Installation Discharge Requirements

Discharge Pipework Requirements

General guidelines for the installation of discharge pipework.

Building Regulation G3 Requirements

Regulatory requirements for safely conveying discharge from safety devices.

Safety Device Discharge Pipes

Specific guidance on discharge pipes from temperature/pressure relief valves.

Tundish Installation Guide

Correct placement and installation of the tundish for visible discharge.

Discharge Pipe D2 Specifications

Discharge Pipe D2 Specifications

Detailed requirements, sizing, and materials for discharge pipe D2.

Direct Unit Installation

Direct Unit Safety Precautions

Essential safety steps before and during direct unit installation.

Direct Unit Electrical Supply

Requirements for wiring and electrical connections for direct units.

Indirect Unit Installation

Indirect Unit Safety Precautions

Essential safety steps before and during indirect unit installation.

Indirect Unit Electrical Supply

Requirements for wiring and electrical connections for indirect units.

Commissioning Procedures

Direct Unit Commissioning Steps

Specific procedures for commissioning direct heating units.

Indirect Unit Commissioning Steps

Specific procedures for commissioning indirect heating units.

Maintenance Procedures

User Instructions and Guidance

Fault Finding and Servicing

Fault Finding Chart Usage

Instructions on how to use the fault finding chart to diagnose issues.

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