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Alpha E-Tec 28 User Manual

Alpha E-Tec 28
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User
Instructions
E-Tec 28 and 33
Wall Mounted, Fan Assisted, Room Sealed,
Gas Fired, High Efficiency Condensing Combination Boiler
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0844 871 8764
website: www.alpha-innovation.co.uk
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 2017.

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Alpha E-Tec 28 Specifications

General IconGeneral
TypeCombi
Output28 kW
Dimensions (H x W x D)712 x 440 x 255 mm
Efficiency Rating93%
MountingWall Mounted
ERP RatingA
CH Output (kW)28 kW
DHW Output (kW)28 kW
Warranty5 years
FuelNatural Gas

Summary

Introduction

Operating the Boiler

Standby Mode

Boiler is inactive but frost protection and pump circulation remain active.

Off Mode

Electrical power is supplied, but the boiler will not function.

On Mode

Boiler is active and can be switched between Summer or Winter settings.

Summer Setting

Provides hot water only; central heating remains inactive.

Winter Setting

Operates in both heating and hot water modes, prioritizing hot water.

Heating and Hot Water Temperature

Fill and Pressurise the System

Frost Protection

Condensate Drainage

Gas Safety Regulations

Benchmark Commissioning and Servicing

Important Notes

Boiler Location

Specifies required clearances around the boiler casing for installation.

Flue Terminal

Ensures the external flue terminal is unobstructed and undamaged.

Mains Failure

Describes boiler behavior during electrical or water supply interruptions.

Additional Bathroom Fittings

Advice on selecting compatible bathroom accessories for mains water pressure.

Cleaning

Instructions on how to clean the boiler outer casing safely.

Servicing

Highlights the importance of annual servicing for safety and efficiency.

Gas Leak

Immediate actions to take if a gas leak is suspected.

Electrical Supply

Details the boiler's electrical requirements and plug connection.

Optional Boiler Controls

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