Bedienungsanleitung Worcester-Bosch Greenstar CDi Classic Regular 2015-2023 (Seite 13 von 16) (Englisch)

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Fault or Breakdown

GREENSTAR CDi CLASSIC REGULAR ErP – 6 720 815 726 (2015/05)

6 FAULT OR BREAKDOWN

This boiler is supported in the UK and Eire by Worcester, Bosch

Group.

Specialist Service Engineers are available to attend a

breakdown occurring on this boiler.

• No charge will be made for parts and/or labour providing:

A boiler fault is found and the boiler is within the guarantee

period. Reasonable evidence of this must be supplied on

request. i.e. the Benchmark Checklist.

• A call-out charge will be made where:

– The boiler is outside the guarantee period.

– Evidence cannot be provided that the first year service

inspection has been carried out (i.e. an entry in the

Benchmark Checklist).

– Our Field Service Engineer finds no fault with the

boiler.

– The cause of breakdown is misuse or with other parts of

your plumbing/heating system, or with equipment not

supplied by Worcester, Bosch Group.

TECHNICAL SUPPORT

In the event of a boiler fault or breakdown please contact

Worcester, Bosch Group appointments team on

0330 123 9559.

Your advisor will arrange for an engineer to call with the

minimum of delay; under normal circumstances this will be

from 1 - 3 working days (excluding weekends and bank

holidays) for priority breakdown situations (no hot water and/

or heating).

7 TIPS ON ENERGY SAVING

HEATING ECONOMICALLY

The boiler is designed to provide a level of comfort while

keeping gas consumption and the resulting environmental

effect as low as possible. The gas supply to the burner is

controlled according to the level of demand for heat. The boiler

continues to operate with a low flame if the demand of heat

reduces. The technical term for this is modulating control.

Modulating control reduces temperature fluctuations and

provides even distribution of heat throughout the home. This

means that the boiler may stay on for relatively long periods but

will use less gas than a boiler that continually switches on and

off.

NEW CONTROL SYSTEMS

Upgrade your heating control system if necessary with the

latest equipment available. The minimum level of control is a

programmer, interlocking room thermostat and thermostatic

radiator valves.

CENTRAL HEATING SYSTEMS WITH ROOM THERMOSTATS

AND THERMOSTATIC RADIATOR VALVES

The central heating control on the boiler should be set to

maximum rated temperature of the central heating system. The

temperature of each room can be set individually (except room

with the room thermostat) using the thermostatic radiator

valves. If damaged, replace the plastic tops used to adjust the

thermostatic radiator valve. It is also advisable to manually

adjust all thermostatic radiator valves every 2-3 weeks to

prevent them sticking.

ROOM THERMOSTATS

Reducing the setting of the room thermostat by 1 °C can reduce

fuel consumption by up to 10 %.

ROOF INSULATION

Around 30 % of the heat loss from a property is through the

roof. Replace any old insulation with new insulation, preferably

of around 200 mm thickness or more.

WINDOW FRAMES

Single glazed windows, particularly those with steel frames,

can loose a great deal of heat. Consideration should be given to

replacement with PVCu or wooden framed double glazing

units.

CURTAINS

Lined curtains, or heavier full length curtains can provide

excellent insulation. However, always ensure that the curtains

do not drape over radiators.

CAUTION: Risk of damage to the boiler.

▶ Do not operate the boiler if the flue

terminal is obstructed or damaged in any

way.

Invoices for attendance and repair work

carried out on this boiler by any third party will

not be accepted.

No boiler fault is found on over 30% of all

service calls.

In the case of a suspected fault, refer to the

fault finding section of this guide.

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