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Alpha E-Tec 20R User Manual

Alpha E-Tec 20R
60 pages
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Installation and Servicing
Instructions
E-Tec 15, 20, 25R
Wall Mounted, Fan Assisted, Room Sealed,
Gas Fired, High Efficiency Condensing Regular Boiler
Set for use with Natural Gas
Leave these instructions with the User
These instructions have been carefully prepared but we reserve the right
to alter the specification at any time in the interest of product improvement.
© Alpha Therm Limited 2020.
Part No. 1.043481 rev. ST.004219/001
0220/D410
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0344 871 8764
website: www.alpha-innovation.co.uk
Alpha E-Tec 15R G.C. No. 41 532 49
Alpha E-Tec 20R G.C. No. 41 532 50
Alpha E-Tec 25R G.C. No. 41 532 51
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Alpha E-Tec 20R Specifications

General IconGeneral
BrandAlpha
ModelE-Tec 20R
CategoryBoiler
LanguageEnglish

Summary

SAFETY SYMBOLS

TECHNICAL DATA

Technical Performance Data - Natural Gas

Detailed performance specifications for natural gas operation.

Technical Performance Data - LPG

Detailed performance specifications for LPG operation.

Physical Data

Boiler dimensions, clearances, weights, and connection sizes.

Electrical Connections

Wiring diagrams and connection details for electrical components.

Boiler Schematic

Diagram illustrating the internal layout and components of the boiler.

GENERAL BOILER INFORMATION

Flue System Installation

General guidance and regulations for installing the flue system.

Flue Terminal Location

Regulations and recommendations for positioning the flue terminal.

INSTALLATION

Clearances Required

Specifies essential clearances around the boiler for installation and servicing.

Prepare the Wall

Instructions for preparing the wall for boiler mounting and flue entry.

Fit the Boiler

Step-by-step guide for securely mounting the boiler onto the bracket.

Connect the Pipework

Instructions for connecting system pipework to the boiler's unions.

Fit the Flue

Procedures for installing the flue system, including length adjustments.

Connect the Mains Supply

Detailed steps for connecting the boiler to the electrical mains supply.

Fit Alpha Controls

Guidance on installing optional Alpha boiler control systems.

Fitting Boiler Controls

General advice and procedures for connecting various boiler controls.

COMMISSIONING

Fill the System

Steps for filling the central heating system with water.

Test for Gas Tightness and Purge the Supply

Critical safety procedures for testing gas connections and purging the system.

Initial Lighting Procedure

Step-by-step guide for the first startup and commissioning of the boiler.

Checking the Combustion

Procedure for checking and adjusting boiler combustion performance.

Final Commissioning Steps

Concluding actions required to complete the commissioning process.

User Information and Handover

Essential information to provide to the user upon completion.

CO2 Set Up Procedure

Detailed steps for calibrating the CO2 levels for optimal combustion.

Programming the PCB

Guide for configuring the boiler's electronic control parameters.

ROUTINE SERVICING

Combustion Check Procedure

Steps for performing and recording a combustion analysis.

Important Notes Prior to Servicing

Critical safety and preparatory steps before commencing service.

Prepare for Servicing

Procedures for gaining access to the boiler's internal components for servicing.

Cleaning Electrodes, Burner and Fan

Maintenance steps for cleaning key internal parts of the boiler.

Cleaning the Heat Exchanger

Instructions for cleaning the primary heat exchanger.

Re-assemble the Boiler

Steps for reassembling the boiler after servicing and cleaning.

COMPONENT REPLACEMENT

General Access for Replacement

Steps to access internal components for replacement.

WIRING DIAGRAM

Illustrated Wiring Diagram

A detailed diagram showing all electrical connections and components.

ERROR CODES AND FAULT FINDING

Troubleshooting Fault Codes

Lists error codes, fault descriptions, and possible causes.

GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD

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