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Worcester Gas boiler

Worcester Gas boiler
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UK/IE
INSTALLATION INSTRUCTIONS
WALL HUNG RSF GAS FIRED CONDENSING BOILER
GREENSTAR i SYSTEM OPTIONAL
INTEGRAL DIVERTER VALVE
6720645222-00.2Wo
FOR CENTRAL HEATING SYSTEMS AND INDIRECT FED DOMESTIC HOT WATER
6 720 645 222a (2012/05)
Diverter valve kits contain:
1 Copper return pipe
1 Brass service valve
1 15mm Compression nut
1 15mm Olive
1 Diverter valve motor
1 Diverter valve harness
2Screws
2Code plugs
1Code plug tie
Diverter valve kit numbers
12kW 7 716 192 566
15kW 7 716 192 567
18kW 7 716 192 568
24kW 7 716 192 409
Code plug numbers
12i System Natural gas 1118
L.P.G.
1119
15i System Natural gas 1122
L.P.G.
1123
18i System Natural gas 1126
L.P.G.
1127
24i System Natural gas 1114
L.P.G.
1115
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Worcester Gas boiler Specifications

General IconGeneral
MountingWall-mounted
BrandWorcester Bosch
Boiler TypeGas
Fuel TypeNatural Gas
TypeCondensing
EfficiencyUp to 94%
WarrantyUp to 10 years
Heat ExchangerStainless Steel
DimensionsVaries by model
WeightVaries by model
Control OptionsDigital, Smart Thermostats

Summary

Key to Symbol and Safety Precautions

Explanation of Symbols

Explains warning and informational symbols used in the manual.

Safety Precautions

Details safety procedures for gas, boiler operation, health, and materials.

Plumbing Manifold

Boiler Connections

Assembly of Internal Cylinder Return Pipe

Instructions for fitting the hot water return pipe to the boiler.

Gas and Water Connections

Details on connecting gas and water supplies to the boiler.

Fitting the Diverter Valve and Code Plug

Fitting the Diverter Valve Motor

Steps for installing the diverter valve motor and its harness.

Access to the Code Plug

Procedure to access the control panel for the code plug.

Fitting the Code Plug

Instructions for fitting the correct code plug for the boiler type.

Fitting the Cylinder Temperature Sensor

Guidance on installing the cylinder temperature sensor.

Diverter Valve and Sensor Connections

Details on connecting the diverter valve motor and sensor.

Electrical

Internal Diverter Valve with Vented Cylinder

Electrical connections for a vented cylinder setup.

Internal Diverter Valve with Unvented Cylinder

Electrical connections for an unvented cylinder setup.

Position of Wired Components

Diagram showing the location of electrical components and wiring.

Pre-Commissioning Checks

Boiler Function

Fault Finding

Troubleshooting guide for common boiler issues and checks.

Boiler Function Sequence

Diagram illustrating the boiler's operational sequence.

Protection Functions

Overview of frost, overrun, and anti-seize protection features.

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