Related Manuals for Potterton Prima 50B
Summarization of Contents
General Boiler Information and Options
General Boiler Overview
Details the core operation, heat exchanger type, and power outputs of the Prima B boilers.
Optional Extras
Lists available additional components like flue extension kits and terminal guards for enhanced functionality.
Installation Data and Boiler Dimensions
Installation Data and Regulations
Specifies compliance requirements with gas safety, building, and wiring regulations for installation.
Boiler Dimensions and Layout
Provides diagrams and measurements for the physical size and layout of the boiler unit.
Boiler Arrangement and Site Requirements
Boiler General Arrangement Diagram
Illustrates the internal components and general arrangement of the boiler unit.
Site Requirements and Ventilation
Details suitable installation locations, ventilation needs, and specific requirements for timber-framed houses.
Boiler Clearances and Flue Terminal Siting
Clearances Around the Boiler
Specifies minimum required space around the boiler for proper operation and servicing.
Balanced Flue Terminal Siting
Provides guidelines and diagrams for the correct positioning of the balanced flue terminal.
Electricity Supply and Technical Specifications
Electricity Supply Requirements
Outlines the electrical power requirements, connection methods, and safety standards for the appliance.
Technical Data Summary
Presents key performance specifications, connections, and physical properties of the boiler models.
Boiler Performance Data
Gas Rate and Burner Pressure Specifications
Tabulates gas consumption, input/output ratings, and burner pressure for different boiler sizes.
Circulation Pump Selection Data
Provides data for selecting appropriate circulation pumps based on boiler resistance and flow rates.
System Configuration and Design
System Configuration Types
Explains requirements for open vented, gravity, pumped, and sealed central heating systems.
Pumped and Sealed System Details
Details specific wiring and by-pass requirements for fully pumped and sealed system configurations.
System Components and Safety Features
Safety Valve, Pressure Gauge, and Expansion Vessel
Details requirements for safety valve, pressure gauge, and expansion vessel sizing for system safety.
Cylinder, Make-Up, and Mains Connection
Covers cylinder type suitability, methods for maintaining system pressure, and mains connection regulations.
System Filling and Diagrams
System Filling Point Requirements
Describes the correct installation of the filling point, stop valve, and double check valve.
System Configuration Diagrams
Illustrates common system configurations for open vented and gravity hot water systems.
Installation Procedures: Mounting and Preparation
Installation Introduction and Regulations
Introduces installation regulations and guides on securing the boiler mounting plate.
Boiler Packaging Contents
Lists the components included in the boiler packaging cartons for installation.
Installation: Flue and Terminal Assembly
Sealing Air Tube to Air Box
Details the procedure for sealing the air tube to the air box to ensure a proper connection.
Terminal Assembly and Securing
Guides on assembling the flue terminal and securely fixing it to the wall.
Installation: Pipe Connections and Thermostat
Pipe Connections and Injector Disc
Instructs on connecting system pipes, including considerations for capillary fittings and injector disc placement.
Overheat Thermostat Positioning
Advises on repositioning the overheat thermostat bulb for gravity DHW systems to prevent nuisance operation.
Electrical Wiring Principles and Connections
Principal Wiring Diagram
Illustrates the overall wiring configuration for connecting controls, programmer, and pump to the boiler.
Accessing Boiler Terminal Block
Guides on how to open the control box to access the boiler's electrical terminal block for connections.
Boiler Wiring for Different System Types
Wiring for Fully Pumped Systems
Details wiring connections for fully pumped systems via the boiler terminal block.
Wiring for Combined Systems
Explains wiring for combined systems and shows boiler wiring diagram and infill panel fitting.
Commissioning: System Setup and Lighting
System Filling and First Lighting
Details filling, flushing, and the step-by-step process for safely lighting the pilot and main burners.
Final Adjustments and Checks
Covers checking burner pressure, firing rate, and gas soundness after initial lighting.
Commissioning: Component Verification
Pilot Burner and Thermostat Checks
Verifies pilot burner, boiler thermostat, and pump over-run thermostat operation.
Overheat Thermostat and Gas Control Valve Checks
Checks overheat thermostat, gas control valve, and external controls for correct functionality.
Servicing Instructions Overview and Preparation
Boiler Preparation for Servicing
Details steps to safely prepare the boiler for servicing, including power off and component access.
Servicing: Burner, Heat Exchanger, and Fault Finding
Main Burner and Heat Exchanger Maintenance
Guides on removing, cleaning, and inspecting the main burner, injector, and heat exchanger.
Combustion Chamber Insulation and Fault Finding
Covers checking combustion chamber insulation and refers to fault finding charts for diagnostics.
Servicing: Gas Control, Pilot System, and Electrodes
Gas Control Valve and Pilot System Servicing
Provides steps for replacing the gas control valve and servicing the pilot filter and thermocouple.
Electrode, Sight Glass, and Lead Servicing
Covers servicing the electrode, electrode lead, and handling the sight glass assembly.
Fault Finding and Flame Supervision Testing
Comprehensive Fault Finding Chart
Provides a flowchart to diagnose and resolve various operational issues and faults with the boiler.
Flame Supervision Testing Procedure
Describes how to test the flame supervision system by temporarily loosening the thermocouple connection.
Health and Safety Information
Insulation and Seal Material Hazards
Informs about potential hazards from insulation fibres and sealants, with precautions and first aid.
Thermostat Material Hazards
Details hazards associated with thermostat phials containing liquid, including irritation and flammability.
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