Table of Contents
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Installation and Servicing
InTec² 26CE, 30CE and 35CE
Wall Mounted, Fan Assisted, Room Sealed,
Gas Fired, High Efficiency Condensing Combination Boiler
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.
Instructions
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0844 871 8764
website: www.alpha-innovation.co.uk
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
Alpha InTec² 26CE
Alpha InTec² 30CE
Alpha InTec² 35CE
Set for use with Natural Gas
Leave these instructions with the User
G.C. No. 47 532 66
G.C. No. 47 532 67
G.C. No. 47 532 68
Part No. 1.035665 ST.001836/000
0415/D346
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Table of Contents
Related Manuals for Alpha InTec2 35CE
Summarization of Contents
BENCHMARK SCHEME
Code of Practice
Outlines responsibilities for installation, commissioning, and servicing of heating products.
Standards of Work
Details competence, installation, sizing, regulations, and product reporting requirements.
Customer Service
Covers installer responsibilities towards the customer during and after the service.
Benchmark Commissioning and Servicing Section
Emphasizes requirements for installation, commissioning, registration, and annual servicing.
1 INTRODUCTION
IMPORTANT
Highlights consequences of non-compliance with installation/commissioning instructions.
2 TECHNICAL DATA
2.1 TECHNICAL PERFORMANCE DATA - NATURAL GAS
Details performance specifications for natural gas models.
2.1 TECHNICAL PERFORMANCE DATA - LPG - PROPANE GAS
Details performance specifications for LPG models.
2.2 PHYSICAL DATA
Provides physical dimensions, clearances, and weight details for the boiler.
2.3 FLUE LENGTHS
Details flue system requirements, bends, and maximum lengths.
2.4 PUMP
Explains the pump's variable speed modes, by-pass, and operation.
2.5 ELECTRICAL CONNECTIONS
Details wiring requirements, earthing, and control connections.
2.6 DATA BADGE ANNOTATION
Explains the boiler data badge labels and their meanings.
2.7 BOILER SCHEMATIC
Provides a diagram of the boiler's internal components and their functions.
3 GENERAL BOILER INFORMATION
3.1 GAS SUPPLY
Covers requirements for gas supply, meter, and pipework testing.
3.2 ELECTRICAL SUPPLY
Details the electrical supply requirements, earthing, and wiring.
3.3 AIR SUPPLY
Explains air requirements for the boiler installation and clearances.
3.4 FLUE SYSTEM
Covers flue system installation requirements, components, and lengths.
3.5 FLUE TERMINAL LOCATION
Specifies safe distances and locations for flue terminals relative to building features.
3.6 BOILER LOCATION
Details requirements for boiler placement, wall suitability, and room/cupboard installations.
3.7 CENTRAL HEATING SYSTEM
Covers central heating system design, volume, expansion vessel, and by-pass requirements.
3.8 FILLING THE CENTRAL HEATING SYSTEM
Explains how to fill the central heating system and set the initial pressure.
3.9 FLUSHING THE HEATING SYSTEM
Details procedures for cleaning and flushing the heating system to maintain warranty.
3.10 DISPOSAL OF CONDENSATE
Covers condensate disposal requirements, pipework, and material recommendations.
3.11 DOMESTIC HOT WATER SYSTEM
Explains requirements for domestic hot water system, pressure, pipework, and accessories.
4 INSTALLATION
4.1 UNPACKING
Lists items in the boiler carton and unpacking instructions.
4.2 CLEARANCES REQUIRED
Specifies minimum clearances around the boiler for installation and servicing.
4.3 PREPARE THE WALL
Details how to prepare the wall for boiler mounting and flue hole cutting.
4.4 FIT THE BOILER
Instructions for lifting and fitting the boiler onto the mounting bracket.
4.5 CONNECT THE PIPEWORK
Details how to connect the heating, DHW, and condensate pipework to the boiler.
4.6 FIT THE FLUE
Provides instructions for fitting the Easy-Flue horizontally to rear or side exits.
4.7 REDUCING THE FLUE
Instructions for reducing flue length when it's shorter than the minimum stated.
4.8 EXTENDING THE FLUE
Details how to extend the flue assembly using extensions and clamps.
4.9 FIT PLUME MANAGEMENT COMPONENTS
Explains options for managing exhaust flue gas/plume emitted from the terminal.
4.10 CONNECT THE MAINS SUPPLY
Details how to connect the mains supply cable to the boiler and perform electrical checks.
4.11 FITTING BOILER CONTROLS
Recommends Alpha controls and outlines their connection and usage.
5 COMMISSIONING
5.1 FILL THE SYSTEM
Step-by-step guide for filling the heating system with water and venting.
5.2 BOILER CONTROLS
Identifies and explains the functions of the boiler's control panel buttons and indicators.
5.3 TEST FOR GAS TIGHTNESS AND PURGE THE SUPPLY
Details procedures for testing gas tightness and purging the supply.
5.4 CHECK THE AIR FLOW THROUGH THE HEAT EXCHANGER
Explains how to check air flow for future servicing reference.
5.5 INITIAL LIGHTING
Step-by-step guide for lighting the boiler for the first time and setting modes.
5.6 BOILER OPERATION
Describes how the boiler operates in central heating and domestic hot water modes.
5.7 CHECKING THE COMBUSTION
Outlines the procedure for checking and recording combustion performance.
5.8 FINAL COMMISSIONING
Details final checks and system balancing after heating up.
5.9 FINAL ASSEMBLY
Covers securing the control panel, cover plate, and setting controls for the user.
5.10 USER INFORMATION
Key points to advise the user on boiler operation, servicing, and safety.
5.11 INFORMATION MENU
Explains how to access and interpret the boiler's information menu codes.
5.12 CONVERTING THE BOILER TO OPERATE ON LPG
Details the procedure for converting the boiler from Natural Gas to LPG.
5.13 CO2 SET UP PROCEDURE
Explains how to adjust combustion settings (CO2) for optimal performance.
5.14 PROGRAMMING THE PCB
Details how to access and adjust PCB parameters for boiler settings.
6 ROUTINE SERVICING
General Checks
Outlines general checks to be performed during routine servicing.
Competence for Combustion Checks
Specifies qualifications and equipment needed for combustion checks.
Combustion Check Procedure
Details the procedure for measuring and recording combustion performance.
6.1 IMPORTANT NOTES PRIOR TO SERVICING
Lists essential checks before starting the servicing procedure.
6.2 CASING REMOVAL
Provides instructions for removing the boiler casing panels for servicing.
6.3 PREPARE FOR SERVICING
Details steps to take before starting the servicing process, like isolating supplies.
6.4 CLEANING THE ELECTRODE AND BURNER
Explains how to clean the burner and electrode during servicing.
6.5 CLEANING THE HEAT EXCHANGER
Details when and how to clean the heat exchanger if airflow is reduced.
6.6 RE-ASSEMBLE THE BOILER
Provides instructions for reassembling the boiler after cleaning or component replacement.
7 COMPONENT REPLACEMENT
Component List
Lists all spare parts with Alpha part numbers and quantities for ordering.
7.1 GENERAL ACCESS
Details how to gain access to boiler components for replacement.
7.2 DRAINING THE BOILER
Explains how to drain the boiler's heating and hot water circuits before component replacement.
7.3 IGNITION AND SENSING ELECTRODE REPLACEMENT
Provides steps for replacing the ignition and sensing electrode.
7.4 MAIN BURNER REPLACEMENT
Details the procedure for replacing the main burner unit.
7.5 FAN REPLACEMENT
Outlines the steps for replacing the fan assembly.
7.6 FLUE TEMPERATURE SENSOR REPLACEMENT
Explains how to replace the flue temperature sensor.
7.7 FUSE REPLACEMENT
Details the location and replacement procedure for the boiler fuse.
7.8 PCB REPLACEMENT
Provides instructions for replacing the Printed Circuit Board (PCB).
7.9 GAS VALVE AND BURNER INJECTOR REPLACEMENT
Details the procedure for replacing the gas valve and burner injector.
7.10 CONDENSATE TRAP REPLACEMENT
Explains how to remove and replace the condensate trap assembly.
7.11 DHW TEMPERATURE SENSOR REPLACEMENT
Details the process for replacing the DHW temperature sensor.
7.12 COLD MAINS INLET SENSOR REPLACEMENT
Explains how to replace the cold mains inlet sensor.
7.13 DHW FLOW REGULATOR VALVE REPLACEMENT
Details the procedure for replacing the DHW flow regulator valve assembly.
7.14 PRIMARY HEAT EXCHANGER REPLACEMENT
Provides instructions for removing and replacing the primary heat exchanger.
7.15 PRESSURE GAUGE REPLACEMENT
Details the procedure for replacing the pressure gauge.
7.16 TEMPERATURE SENSORS AND OVERHEAT THERMOSTAT REPLACEMENT
Explains how to replace flow/return temperature sensors and overheat thermostat.
7.17 AUTOMATIC AIR VENT REPLACEMENT
Details the steps for replacing the automatic air vent.
7.18 PUMP HEAD REPLACEMENT
Provides instructions for replacing the pump head motor.
7.19 PRIMARY PRESSURE SWITCH REPLACEMENT
Details the procedure for replacing the primary pressure switch.
7.20 SAFETY VALVE REPLACEMENT
Explains how to replace the safety valve (pressure relief valve).
7.21 DHW HEAT EXCHANGER REPLACEMENT
Provides instructions for replacing the DHW heat exchanger.
7.22 DIVERTER VALVE MOTOR REPLACEMENT
Details how to replace the diverter valve motor.
7.23 DIVERTER VALVE CARTRIDGE REPLACEMENT
Explains the procedure for replacing the diverter valve cartridge.
7.24 EXPANSION VESSEL REPLACEMENT
Provides instructions for replacing the expansion vessel.
7.25 ALPHA CONTROLS REPLACEMENT
Refers to section 4.11 for connection options for boiler controls.
8 WIRING DIAGRAM
8.1 ILLUSTRATED WIRING DIAGRAM
Shows the electrical connections and component layout for InTec² 25CE, 30CE models.
8.2 ILLUSTRATED WIRING DIAGRAM
Shows the electrical connections and component layout for the InTec² 35CE model.
9 ERROR CODES AND FAULT FINDING
9.1 INITIAL FAULT FINDING CHECKS
Outlines initial checks to perform when a functional fault is suspected.
9.2 ERROR CODES AND FAULT FINDING
Lists error codes, their descriptions, and possible causes for troubleshooting.
10 SHORT PARTS LIST
Spare Parts List
Lists all spare parts with Alpha part numbers and quantities for ordering.
11 ENERGY CLASSIFICATION
11.1 TECHNICAL PARAMETERS FOR MIXED BOILERS
Provides technical data for mixed boilers as per Regulation 813/2013.
11.3 ROOM HEATING SYSTEM ASSEMBLY CHART
Provides a template for calculating seasonal space heating energy efficiency of the system.
11.4 ROOM HEATING SYSTEM ASSEMBLY CHART
Provides a template for calculating seasonal space heating energy efficiency of the system.
11.5 PARAMETERS FOR FILLING IN ASSEMBLY CHART
Lists parameters needed to complete the assembly charts.
11.6 DOMESTIC HOT WATER PRODUCTION SYSTEM ASSEMBLY CHART
Provides a template for calculating domestic hot water energy efficiency.
11.7 PARAMETERS FOR FILLING IN DHW PACKAGE ASSEMBLY CHART
Lists parameters for filling in the DHW package assembly chart.
11.8 FACSIMILE FOR FILLING IN DOMESTIC HOT WATER PRODUCTION SYSTEM ASSEMBLY CHART
Provides a template for calculating domestic hot water energy efficiency.
GAS BOILER SYSTEM COMMISSIONING CHECKLIST
Checklist Items
Covers controls, system checks, gas rates, temperatures, and installation compliance.
SERVICE RECORD
Service Record Templates
Provides templates for recording annual servicing details for engineers and customers.
12 OPTIONAL BOILER CONTROLS
Available Alpha Controls
Lists optional Alpha controls compatible with the boiler and their part numbers.
9 IMPORTANT NOTES
Boiler Location Requirements
Specifies clearances and storage rules around the boiler.
Flue Terminal and Mains Failure Notes
Covers flue terminal obstruction, mains failure impact, and safe operation.
Cleaning, Servicing, and Gas Leak Procedures
Advises on cleaning, routine servicing, and actions for suspected gas leaks.
Electrical Supply and Gas Safety Regulations
Details electrical supply requirements and gas safety installation compliance.
5 INFORMATION MENU
Information Menu Codes
Lists codes displayed in the information menu and their meanings.
6 FROST PROTECTION
Boiler Frost Protection
Explains the boiler's built-in frost protection function and its requirements.
7 CONDENSATE DRAINAGE
Condensate Drainage Requirements
Details how to manage condensate drainage to prevent freezing and ensure proper discharge.
3 HEATING AND HOT WATER TEMPERATURE
Temperature Control and Operation Modes
Explains how to set and operate heating/hot water temperatures and modes.
4 FILL AND PRESSURISE THE SYSTEM
System Filling and Pressure Check
Details the process of filling the system and checking pressure.
2 OPERATING THE BOILER
Boiler Controls and Operation Modes
Explains the boiler control panel layout and how to select operating modes.
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