Alpha InTec2 28XE User Manual

Installation and Servicing
Instructions
InTec² 25XE and 28XE
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
0051
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 2015.
Part No. 1.038088 rev. ST.001590/000
0315/D343

Alpha InTec2 28XE Specifications

General

Manufacturer	Alpha
Model	InTec2 28XE
Category	Boiler
Type	Combi
Output	28 kW
Efficiency	93%
Fuel Type	Natural Gas
Mounting	Wall Mounted
ERP Rating	A
CH Output (kW)	24 kW
DHW Output (kW)	28 kW
Warranty	7 years

Summary

Technical Data

Technical Performance Data

Performance metrics for natural gas and LPG, including heat output and efficiency.

General Boiler Information

Installation

Preparation and Boiler Fitting

Unpacking, clearances, wall preparation, and fitting the boiler.

Pipework and Flue Installation

Connecting pipework, fitting the flue, and plume management.

Electrical Connections and Controls

Connecting the mains supply and fitting optional boiler controls.

Commissioning

System Filling and Initial Checks

Filling the system, testing gas tightness, and checking controls.

Air Flow, Combustion, and Lighting

Routine Servicing

Cleaning Components

Component Replacement

Access, Draining, and Basic Replacements

Hydraulic and Electrical Component Replacement

Valve, Pump, Vessel, and Controls Replacement

Wiring Diagram

Error Codes and Fault Finding

Initial Fault Finding and Error Codes

Steps for initial fault diagnosis and troubleshooting error codes.