Bosch Worcester 400 - Manual (Page 7)

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NOTE: Do not place anything on top of the appliance. If the
appliance is fitted in a compartment do not use the compartment for
storage purposes unless it conforms to the requirements of
BS 6798:1987: Section 6. In particular, the flue pipe should not pass
through an airing cupboard space unless protected by a guard (such as
wire mesh) concentrically spaced 25mm, as described in BS
6798:1987.
VENTILATION OF BALANCED FLUED (BF)
AND ROOM SEALED FANNED FLUE (RSF)
APPLIANCES
These are room sealed appliances that do not require air for
combustion from the room. However any ventilation openings in a
wall or door must not be obstructed. Do not allow the flue terminal
fitted on the outside wall to become obstructed or damaged.
NOTE: Do not place anything on top of the appliance. If the
appliance is fitted in a compartment do not use the compartment for
storage purposes unless it conforms to the requirements of
BS 6798:1987: Section 6. It is essential that the airing space is separat-
ed from the boiler space by a perforated non-combustible partition as
described in BS 6798:1987.
CIRCULATING PUMP
This may be fitted with a speed adjuster. If so it will be factory
set at maximum and should not be re-adjusted.
FROST PRECAUTIONS
If the appliance is not to be used for a long period of time and
there is a likelihood of freezing, then the appliance should be
drained. Your British Gas Engineer, or any service engineer will advise
you on suitable frost precautions. For short periods leave the appli-
ance on a low temperature setting.
SERVICE
Annual servicing is important in order to ensure continuing high
efficiency and long life for your appliance. In the event of any diffi-
culty in making suitable servicing arrangements, Worcester Heat
Systems Limited, your British Gas Engineer or other competent per-
sons will discuss regular servicing arrangements and offer a compre-
hensive maintenance contract.
WARNING
If a gas leak exists, or is suspected, turn off the gas supply to the
appliance at the service cock and consult your local British Gas
Engineer or service engineer.
Do not touch any electrical switches to turn them either on or off.
Open all windows and doors. Do not smoke. Extinguish all naked
lights.
CLEANING
Do not use abrasive cleaners on the outer casing. Use a damp
cloth and a little detergent.