Worcester OIL HEATSLAVE 15/19 User Manual

OIL HEATSLAVE
12/14 15/19 20/25 26/32
CONVENTIONAL FLUE AND ROOM SEALED BF FLOOR
STANDING COMBINATION BOILER FOR CENTRAL
HEATING AND MAINS FED DOMESTIC HOT WATER
INSTALLATION AND
SERVICING INSTRUCTIONS
BOILER OUTPUT
Domestic Hot Water and Central Heating
12/14 MINIMUM 12 kW (41,000 Btu/h)
MAXIMUM 14 kW (48,000 Btu/h)
15/19 MINIMUM 15 kW (51,000 Btu/h)
MAXIMUM 19 kW (65,000 Btu/h)
20/25 MINIMUM 20 kW (68,000 Btu/h)
MAXIMUM 25 kW (85,000 Btu/h)
26/32 MINIMUM 26 kW (89,000 Btu/h)
MAXIMUM 32 kW (109,000 Btu/h)
THESE INSTRUCTIONS APPLY TO UK MODELS ONLY
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE APPLIANCE

Worcester OIL HEATSLAVE 15/19 Specifications

General

Model	OIL HEATSLAVE 15/19
Category	Boiler
Fuel Type	Oil
Installation Type	Floor Standing
Efficiency	90%
Boiler Type	Combi
Central Heating Output (kW)	15 kW
Domestic Hot Water Output (kW)	19 kW
Output	15-19kW
Warranty	2 years

Summary

Installation Regulations

General Information

Appliance Operation Modes

Details the operation of the appliance in different modes: Central Heating and Domestic Hot Water, Domestic Hot Water Mode, Central Heating Mode, and Off Mode.

Technical Data

Siting and Clearances

Installation and Servicing Clearances

Specifies required clearances for installation and servicing: above, in front, and on the sides of the appliance.

Flue System Installation

Conventional Flue (CF) Installation

Details conventional flue types, diameters, and requirements for installation.

Low Level Discharge (LLD)

Explains conversion to low level discharge and associated kits.

Room Sealed Balance Flue (RS) System

Covers RS balanced flue systems, terminal options, and installation kits.

Flue Terminal Siting

Oil Supply System

Oil Supply System Types

Details single pipe, double pipe, and single pipe suction lift systems for oil supply.

Oil Supply Pipework Guidelines

Covers pipe diameter selection, layout, and essential components for oil supply pipework.

System Considerations

System Pipework Requirements

Details pipework requirements for sealed and open vent primary systems.

Sealed Primary System

Open Vent Primary System

Domestic Hot Water

Mains Cold Water Inlet

DHW Supply and Flow Regulation

Electrical Installation

Mains Supply Requirements

Electrical System Configuration

Electrical Safety Checks

Functional Flow Charts

CH & DHW Mode Operation

DHW Only Mode Operation

CH Only Mode Operation

Installation Procedures

Heating System Installation

Domestic Water Installation

Appliance Commissioning

Appliance and System Preparation

Burner Bleeding Procedure

Air Shutter and Pump Pressure Adjustment

User Instructions and Handover

User Instruction Handover

Central Heating Mode Operation

DHW and CH Mode Operation

Routine Cleaning and Inspection

Routine Servicing Schedule

Burner Cleaning Procedure

Replacement of Parts

Component Replacement Procedures

Fault Finding Guide

Lockout and Ignition Failures

Troubleshooting steps for lockout conditions and ignition failures.

Boiler Operation and Smoke Issues

Diagnosing and resolving faulty boiler operation, noise, high smoke, and oil smells.