To Next PageTo Next Page
Need help?Do you have a question about the Alpha E-Tec Plus 28 and is the answer not in the manual?
General| Boiler Type | Combi |
|---|---|
| Mounting | Wall-mounted |
| ERP Rating | A |
| DHW Output (kW) | 28 |
| Efficiency (%) | 93 |
| Type | Combi |
| Output | 28 kW |
| Efficiency | 93% |
| Warranty | 7 years |
| Fuel | Natural Gas |
Responsibilities for installation, commissioning and servicing of domestic heating products.
Guidelines for competent installers regarding installation, commissioning, and servicing standards.
Installer responsibilities for customer interaction, handover, and post-installation support.
Requirements for boiler installation, commissioning, and annual servicing for guarantee.
Crucial notes on warranty invalidation due to non-compliance with installation and commissioning instructions.
Warning to follow indications to avoid hazard situations and harm to health.
Warning to follow indications regarding electrical components and hazards.
Lists essential personal protective equipment for safe operation.
Performance data including heat input, gas rate, CO2 levels, and pressures for Natural Gas.
Performance data for LPG including heat input, gas rate, and CO2 levels.
Requirements for gas supply, meter, and pipework testing.
Details on the boiler's electrical requirements, earthing, and supply connections.
Installation requirements for flue systems, including components and lengths.
Instructions for unpacking the boiler and its accessories.
Diagram showing required clearances around the boiler for installation and servicing.
Steps for preparing the wall, marking, and drilling for boiler and flue installation.
Step-by-step guide to filling the central heating system with water and venting air.
Diagram and explanation of the boiler's control panel buttons and indicators.
Procedures for testing gas tightness and purging the gas supply.
How to operate the boiler when an Alpha Climatic control is fitted.
Operation of the boiler when connected to a solar thermal system.
How the boiler operates with an external weather compensation sensor.
Details on boiler operation during central heating, including pump and fan cycles.
Details on boiler operation for domestic hot water, including flow switch activation.
Explanation of the built-in frost thermostat function and protection.
Checks to be performed during routine servicing, including flue, combustion, and gas supply.
Requirements for engineers performing combustion analysis and interpretation.
Procedure for connecting a flue gas analyser and performing combustion checks.
Steps to gain access to boiler components for replacement.
Procedure for safely draining the boiler's heating and hot water circuits.
Procedure for replacing the ignition and sensing electrode assembly.
Procedure for replacing the main burner assembly.
Procedure for replacing the boiler's fan.
Detailed wiring diagram with component identification and colour codes.
Initial checks to perform when a suspected functional fault occurs.
Table of error codes, fault descriptions, and possible causes.
Data tables for energy efficiency ratings of E-Tec Plus 28 and 33 boilers.
Required clearances around the boiler for safe installation and operation.
Instructions regarding flue terminal obstruction and normal vapour emission.
What happens during a mains power failure and how to reset controls.
Importance of routine annual servicing and contact information.
Procedure to follow in case of a gas leak, including emergency contact.
Information on available Alpha controls and compatibility with E-Tec Plus boilers.
