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General| Boiler Type | Combi |
|---|---|
| Type | Condensing |
| Output | 28 kW |
| Domestic Hot Water Output | 28 kW |
| Fuel Type | Natural Gas |
| Hot Water Flow Rate | 11.4 l/min |
| Hot Water Flow Rate at 35°C Rise | 11.4 l/min |
| Mounting | Wall-Mounted |
| ERP Rating | A |
| Central Heating Flow Temperature Range | 30 - 80°C |
| Expansion Vessel | 8 litres |
| Pump Head | 6 m |
| Warranty | 2 years |
| Weight | 33.5kg |
| Working Pressure | 1.0 - 3.0 bar |
| Flow Rate (l/min) | 11.4 l/min |
| Dimensions (H x W x D) | 780mm x 418mm x 300mm |
Legislation relevant to appliance installation and use.
Standards and codes of practice for installation.
General advice for safe handling of the boiler.
Steps to take before handling or lifting the boiler.
Safe methods for handling and lifting the boiler.
Overview of the Potterton Promax Combi boiler.
List of items included in the boiler packaging.
Identification of main components of the boiler.
How the boiler operates in central heating mode.
How the boiler operates for domestic hot water.
Function of the boiler's frost protection feature.
Detailed technical specifications for the boiler models.
Physical dimensions and fixing requirements for installation.
General information regarding system compatibility and regulations.
Details on the central heating system configuration.
Procedure for filling and pressurising the system.
Guidelines for selecting an appropriate installation location.
Minimum clearances required around the boiler.
Requirements for the condensate drain pipe installation.
Guidelines for flue terminal positioning.
Details on horizontal flue system configurations.
Details on twin and vertical flue system configurations.
List of available flue accessories and their part numbers.
Information on the plume displacement kit.
General instructions for fitting the plume displacement system.
Steps for unpacking and preparing the boiler for installation.
Procedure for physically mounting the boiler.
Instructions for installing the flue system.
Guide for connecting the boiler's electrical supply.
Step-by-step guide to commissioning the boiler.
Verification steps after commissioning.
Final steps including user handover and documentation.
Procedures for annual maintenance of the boiler.
Procedure for replacing the igniter component.
Procedure for replacing the fan assembly.
Procedure for replacing the burner.
Procedure for replacing the plate heat exchanger.
Procedure for replacing the gas valve.
How to check and adjust CO2 levels for optimal combustion.
Diagram showing the boiler's electrical connections.
List of common replacement parts and their part numbers.
Preliminary checks to perform before diagnosing faults.
Explanation of error codes displayed by the boiler.
Blank page for user notes.
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