Bedienungsanleitung Worcester-Bosch Combi RSF (Seite 2 von 4) (Englisch)

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General Description

The

Worcester

240

is a combination boiler supplying mains fed

domestic

hot

water plus central heating

output

of between

9.2 and 16.1 kW

HOT

WATER

PROVISION

When a

tap

is turned on, hot water will become available

continuous

supply

at a

constant

temperature,

after

short

delay, depending on when

the

appliance

was

last fired.

CENTRAL

HEATING

PROVISION

When a demand

made

for

central heating

the

burner will light

and

the

appliance automatically

match

output

the

system

load.

the

system

requires less

than

9.2

kW,

the

burner

will

light only periodically to maintain system temperature.

CENTRAL

HEATING

AND

HOT

WATER

PROVISION

Hot water will take priority over the supply of

heat

to the central

heating system.

User Controls

The

appliance

facia

panel

is fitted

with

either

Operating

Switch or an electronic programmer

for

the control of domestic

hot

water and central heating.

The Operating Switch offers the following settings:

WATER

Hot

water

will

be provided when a

tap

shower

turned

on.

OFF

Central heating

and

hot

water

will

remain

off

HEATING

WATER

The

central heating

will

operate

response

system

controls

and

hot

water

will be

supplied when a

tap

shower

turned

on.

ELECTRONIC

PROGRAMMER

(if

fitted)

Your

Installer

will

have

mounted

the electronic programmer on

the

appliance facia panel. Operating Instructions are supplied

with the programmer.

CENTRAL

HEATING

TEMPERATURE

CONTROL

The

knob on the facia panel allows control of the

water

tempera·

ture to the radiators

INDICATOR

LIGHTS

The

POWER

light {amber) indicates

that

the

mains electricity

to the appliance

on.

The

DEMAND

light (green) indicates

that

the appliance

supplying either domestic

hot

water or central

heating.

SYSTEM

PRESSURE

GAUGE

The red needle

has

been set to show

the

sealed

system

pressure

which

required for

the

appliance to

operate

effectively. The

white needle

will

show

the

actual pressure

the

system.

Hot Water Temperature Control

slightly reducing

the

flow of

domestic

hot

water

from

the

tap, the temperature of

the

water

will

increase. This is

particu-

lar advantage

the

winter, for example

increase

bath

water

temperature

and

remove

heavy

grease deposits on plates,

etc. Also this

will

provide

added

advantage of reducing the

delay before

hot

water

is obtained.

The maximum discharge

temperature

of hot

water

the

taps

preset at the factory.

Light

and

Stop

the

Appliance

See

Fig.1.

LIGHT

THE

APPLIANCE

Set

the

Operating Switch (or programmer) to OFF. Switch off

the

electricity supply.

Remove the cabinet front panel by lifting up

and

pulling forward.

Check

that

the

water

valves to

the

central heating supply are

open. See

Fig.1.

sealed systems check

that

the white needle

the pressure gauge

not below the required pressure

Switch on the mains electricity. Set the room thermostat,

fit-

ted, to maximum.

"TUrn

the

central heating temperature control

knob to

max.

Set

the

Operating

Switch

(or

programmer)

HEATING

WATER.

The

burner

will

light

and

can be seen through the sight-

glass.

Set

the

Operating Switch

(or

programmer) to

the

required posi-

tion.

Set the room thermostat,

fitted, to

the

desired temperature_

Set the central heating temperature control knob to give a com-

fortable radiator temperature.

Replace

the

cabinet front panel.

STOP

THE

APPLIANCE

For

Short

Periods

Set the Operating Switch (or programmer) to the

OFF

position.

For

Long Periods

Set

the

Operating Switch (or programmer) to

OFF.

Switch

off

the

mains electricity.

The facia

mounted

programmer

will

retain its settings

for

about

four

weeks

after

which

it will

return

the

factory

set

pro·

gramme. The display

will

disappear after approx 12 hours.

OVERHEAT

THERMOSTAT

overheat

thermostat

is fitted to

the

appliance which inter·

rupts

the

main electrical supply

the

event of overheating. This

thermostat

reset manually.

the

appliance fails to light, check

that

the overheat

thermostat

has

not operated by pressing

the

reset button, See

Fig.1.

Access is gained to the

button

by remov-

ing the cabinet front panel.

If the overheat

thermostat

stops the appliance again call a ser-

vice engineer.

System Operation

SEALED

WATER

SYSTEM

ensure

that

the

appliance

operates

correctly, a

minimum

water

operating pressure

must

maintained. The

minimum

pressure required is indicated by

the

red needle on

the

pressure

gauge located

the facia panel.

the

pressure falls,

the

system

must

re-pressurised

your

installer. Contact your installer or

maintenance

engineer

the

system continues to lose pressure

this may indicate a leak.

CENTRAL

HEATING

SYSTEM

During

the

first operation of

the

central heating system, check

that

all radiators are heated evenly.

the

top

of the radiator

a lower temperature

than

the

bottom then vent

by releasing

air through

the

vent screw

the

top of each radiator.

Refer

the preceding paragraph

excessive venting may cause a drop

the

system pressure.

FLUE

OPERATION

cold weather, vapour

may

be emitted from the

flue.

This

normal operating characteristic

and

no remedial action

neces-

sary.

Worcester-Bosch Combi RSF Seite 2

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