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Installation, Commisioning and Servicing instructions
Floor standing oil fired condensing combination boiler balanced flue
ErP
Greenstar Heatslave II External
12/18, 18/25 & 25/32
For fully pumped open vent or sealed central heating systems and domestic hot water cylinders.
These appliances are for use with Kerosene (Class C2) only.
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Table of Contents
Related Manuals for Worcester Greenstar Heatslave II 25/32
Summarization of Contents
Safety and Symbols
Key to Symbols Explained
Explains warning symbols, important information, and additional symbols used in the manual.
General Safety Instructions
Covers precautions for oil fumes, handling, intended use, and professional installation.
Installation Regulations
Fitting and Modification Guidelines
Guidelines for fitting the appliance, controls, and flue systems according to regulations.
Electrical Work Safety
Safety precautions for electrical work, including isolation and zero potential checks.
User Handover Instructions
Steps for instructing the user on operation, safety, and contractor advice.
Appliance Specifications
General Information and Package Contents
Overview of the standard package and components included with the boiler.
Technical Data Overview
Lists specifications for heating, DHW, flue, pipework, electrical, and sensors.
Pre-Installation Procedures
Cleaning Primary Systems
Steps for flushing and cleaning the heating system before boiler installation.
Supply Requirements
Electrical Supply Specifications
Details on voltage, cable, circuit breaker, earthing, and isolation.
Water Supply and Pressure
Requirements for cold water supply, pressure, and considerations for hard water areas.
Oil Supply Requirements
Guidelines for Kerosene fuel, tank installation, and pipework materials.
Oil Supply Pipework Configuration
Gravity Feed Oil Systems
Explains single and double pipe gravity feed systems for oil supply.
Suction Lift Oil Systems
Details on single pipe suction lift with de-aerator for oil supply.
Boiler Isolation and Water Pipework
Boiler Isolation Valve Installation
Instructions for installing the oil supply isolation valve.
Water Systems and Pipework Guidelines
Guidelines for plastic pipework, connections, valves, and sealed systems.
Condensate Management
Condensate Pipework Requirements
Requirements for condensate pipe material, fall, and route.
Condensate Disposal Methods
Methods for disposing condensate via soil stack or soakaway.
Condensate Disposal Options
Disposal to Rainwater Downpipe
Guidelines for terminating condensate pipes into rainwater downpipes.
Soak Away Installation
Instructions for creating and installing a condensate soak away.
Boiler Placement and Clearances
Pressure Relief Pipework Installation
Requirements for the discharge pipe from the pressure relief valve.
Boiler Location and Clearance Requirements
Guidance on suitable installation locations and required clearances.
Flue Options and Plume Management
Cabinet Mounted Horizontal Flue Options
Details on fitting horizontal flues to the rear or sides of the cabinet.
Plume Management System Installation
Instructions for fitting plume management kits and effective lengths of bends.
Installation: Unpacking and Initial Connections
Unpacking the Boiler Safely
Precautions and steps for safely unpacking the boiler.
Pipework and Flue Positioning
Guidance on drilling and connecting pipework and flues safely.
Boiler Installation Steps
Boiler Installation and Component Removal
Steps for removing panels, control box, expansion vessel, and burner.
Flue Installation Notes
Notes on seals, terminal guards, and flue kit manuals.
Combustion Chamber Access
Steps for accessing and refitting the combustion chamber components.
System Connections and Burner Setup
Water Connections
Ensuring clean pipework and aligning water connections.
Oil Supply Connections
Routing and connecting the oil supply pipe to the isolating valve.
Condensate Connection and Trap
Connecting the condensate pipe and filling the trap.
Oil Burner and Pump Setup
Checking nozzle/electrode alignment and pump connections.
Component Refitting and Electrical Safety
Refitting Boiler Components
Steps for refitting the burner, air duct, expansion vessel, control box, and panels.
Electrical Safety and Connections
Dangers of 230V, isolation, earth leakage protection, and fused isolator.
Electrical Access and Wiring Diagrams
Accessing Electrical Connections
How to access wiring connections via the installer access cover.
External Programmer Wiring
Diagram showing external programmer and room thermostat connections.
Commissioning: Initial Steps
Pre-Commissioning Checks
Essential checks before starting commissioning, including isolating supplies.
Filling the Heating System
Steps for filling the system, including diverter valve position and air vents.
System Filling and Appliance Startup
Completing System Filling
Completing system filling, pressure checks, and bleeding air.
Initial Appliance Startup Procedure
Procedures for checking oil supply, priming, and initial burner operation.
Burner Operation and Oil System Checks
Burner Startup and Lockout Handling
Steps for initiating burner operation and handling lockout states.
Oil Pump Filter Maintenance
Procedure for cleaning the oil pump filter and checking for debris.
Boiler Control Interface and Startup Screens
Boiler Startup Screen Displays
Explanation of initial display screens and symbols during boiler startup.
Control Board Button Functions
Identification of buttons and displays on the boiler's control board.
Service Menu Navigation and Settings
Selecting and Scrolling Service Menus
How to access and navigate through the boiler's service menus.
Modifying Menu Settings
Process for adjusting parameters within the service menus.
Menu Parameters and Combustion Data
Menu 2 Parameter: Demand/Fault Indicator
Configuration of the blue indicator light for boiler operation and fault alerts.
Nominal Boiler Rating and Combustion Settings
Table of nominal boiler ratings and combustion settings for Kerosene.
Water Treatment Procedures
Central Heating System Flushing
Steps for flushing the central heating system with cleaner.
Central Heating System Inhibitor
Adding inhibitor to the central heating system for protection.
Finalizing Commissioning and Routine Service
Finishing Commissioning Steps
Steps for refitting panels and completing the handover process.
Routine Servicing Overview
Overview of tasks for routine boiler maintenance.
Pre-Service Inspection and Safety
Initial safety precautions and checks before performing service.
Boiler Component Servicing
Burner Cleaning and Maintenance
Detailed steps for cleaning the burner, nozzle, and electrodes.
Heat Exchanger and Boiler Cleaning
Instructions for cleaning heat exchangers, condensate trap, and flue manifold.
Combustion Chamber and Fire Valve Service
Combustion Chamber Service
Procedures for cleaning the combustion chamber, baffles, and door seal.
Fire Valve Check
Checking the external fire valve and its sensor.
Post-Service Component Refitting and Handover
Re-commissioning the Burner
Steps for refitting the burner after servicing and checking oil pressure.
After Service Handover Procedures
Actions to take after completing service, including setting controls.
Fault Finding and Diagnosis Introduction
Status Cause Codes Explained
Explains boiler status codes that indicate operational modes, not faults.
Information Menu Usage
How to access the read-only menu for boiler information and status.
Boiler Information and Service Menu Navigation
Information Menu Items
Details on displayed values like flow rate, temperatures, and software versions.
Service Menu Navigation and Settings
Steps for selecting and navigating service menus for parameter adjustment.
Fault Codes and Reset Procedures
Factory Reset Functionality
How to reset changes made in Menu 2 back to factory defaults.
Locking and Blocking Fault Conditions
Explains boiler behavior during locking or blocking faults.
Heating and Protection Function Charts
Central Heating (CH) Function Chart
Flowchart showing boiler operation during central heating demands.
Protection Functions Explained
Details on frost protection and component anti-seize functions.
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