Worcester HEATSLAVE 12/14

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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Worcester HEATSLAVE 12/14 Specifications

General

Output	12/14 kW
Fuel Type	Oil
DHW Output (kW)	14.0 kW
Working Pressure	3 bar
Type	Combination boiler

Summary

General Information

Fuel Type

Specifies the type of fuel the boiler is designed to burn and potential conversions.

Room-Sealed Balanced Flue Boilers

Electrical Supply Requirements

Details the mains voltage, frequency, and internal fuse rating for the boiler.

Electrical Connection Guidelines

Outlines requirements for connecting the mains cable and earthing.

Routine Maintenance Recommendations

Emphasizes professional servicing and provides guidance on qualified engineers.

System Controls and Operation Modes

User Operating Switch

Describes the boiler's main operating switch and potential programmer alternatives.

Hot Water Only Mode

Heating and Hot Water Mode

Heating Only Mode

Central Heating Temperature Control

Hot Water Temperature Control

Boiler Indication Lights

Overheat Thermostat

How to Operate Your Boiler

Starting and Switching Off the Boiler

To Start Your Boiler

Steps to follow for the initial start-up of the boiler.

Short-Period Boiler Shutdown

Long-Period Boiler Shutdown

Central Heating System Operation

Boiler and System Maintenance

Frost Precautions

Faults and Breakdowns

Fault Finder Guide

Maintaining Boiler Efficiency and Performance

Worcester Heatslave Guarantee

Guarantee Registration Process