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Bosch WORCESTER HEATSLAVE 15/19 User Instructions & Customer Care Manual

Bosch WORCESTER HEATSLAVE 15/19 User Instructions & Customer Care Manual

Floor-standing oil-fired combination boilers for central heating and mains-fed domestic hot water

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HEATSLAVE
12/14, 15/19, 20/25, 26/32
FLOOR-STANDING OIL-FIRED COMBINATION BOILERS FOR
CENTRAL HEATING AND MAINS-FED DOMESTIC HOT WATER
USER INSTRUCTIONS &
CUSTOMER CARE GUIDE

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Summarization of Contents

General Information and Boiler Types
Serial Number Identification
Boiler serial and model number essential for contact and spare parts identification.
Fuel Specifications
Details on the type of fuel the boiler uses, including kerosene and gas oil.
Open-Flued Boiler Air Supply
Instructions on ensuring adequate airflow for open-flued boilers.
Room-Sealed Balanced Flue Boilers
Air supply for room-sealed boilers via balanced flue terminal.
Electrical System and Maintenance
Electrical Supply and Connection
Mains supply voltage, fuse rating, and connection requirements for the boiler.
Routine Maintenance Guidelines
Importance of professional servicing and maintenance contracts.
System Controls and Fittings
Room Thermostat and Radiator Valves
Recommendations and requirements for thermostats and TRVs.
Water Usage and System Controls
Showers, Bidets, Taps, and Mixers
Suitability of fittings for mains pressure and safety for showers.
Hot and Cold Flow Management
Factors affecting water flow and options for flow balancing.
Boiler Controls and Operation
User Operating Switch
Description of the user operating switch and optional programmers.
Hot Water Only Operation
How the boiler operates when only hot water is selected.
Installation Clearances and System Components
Minimum Clearances for Service
Required space around the appliance for safety and servicing.
Enclosed Appliance Installation Notes
Note on following installation book instructions for enclosed appliances.
Room Thermostat and TRVs
Information on thermostats and thermostatic radiator valves installation.
Water Fittings and Flow Management
Suitability of taps, bidets, and flow management for mains pressure.
Mains Water Failure Impact
Effects of mains water failure on hot water and central heating.
Temperature and Programmer Controls
External Programmer Settings
Instructions for setting and operating an external programmer.
Central Heating Temperature Control
How to control radiator water temperature using the control knob.
Hot Water Temperature Control
How to control stored hot water temperature and tap flow rate.
Boiler Indicators and Operation
Fault Indication Lights
Explanation of POWER ON and LOCKOUT indicator lights on the facia panel.
Overheat Thermostat Reset
How to reset the manual overheat thermostat if the burner fails.
Control Facia Overview
Diagram and labels for the boiler's control facia panel.
Boiler Operation Modes
Starting the Boiler
Steps to start the boiler, including oil supply and setting controls.
Switching Off for Short Periods
Procedure for turning the boiler off for brief periods.
Switching Off for Long Periods
Procedure for turning the boiler off for extended periods.
System Operation and Pressure
Central Heating System Operation
Checking radiator evenness and bleeding air from radiators.
Sealed System Pressure Maintenance
Maintaining minimum water pressure in sealed systems.
System Interruptions and Frost Precautions
Re-pressurising Sealed Systems
Method for re-pressurising the system if pressure falls below minimum.
Mains Service Interruptions
Impact of mains water and electricity supply failures on operation.
Frost Precautions
Protecting the system from freezing during cold weather.
Boiler Maintenance and Servicing
Maintaining Efficiency and Performance
Importance of regular, competent servicing beyond the guarantee period.
Service Contract Arrangements
How to arrange regular service contracts with Worcester Heat Systems.
Service Centres and Contact Information
Contact Numbers and Operating Hours
Phone numbers and hours for UK Call Centre and Scotland.
Important Safety Note
Warning against touching or adjusting any sealed component.
Worcester Heatslave Guarantee
Guarantee Conditions and Exceptions
Terms and conditions for the 24-month guarantee against faulty materials/workmanship.
Guarantee Registration Process
Instructions for completing and returning the Guarantee Registration Card.
Fault Finder Guide
Troubleshooting Symptoms and Causes
Checks and remedies for common boiler symptoms like no power or lockout.