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USE
IN
HARD
WATER
AREAS
The
appliance
has
been
designed
to
overcome
scale
accumulation
in
most
normal
conditions.
However, in
exceptionally hard water areas a descaler can be fitted
to
assist
in the prevention of scale formation.
ROOM
THERMOSTAT
A room thermostat, suitable
for
mains voltage, should be fitted
for
improved control of the room temperature.
THERMOSTATIC
RADIATOR
VALVES
Thermostatic
radiator
valves fitted
to
your
central
heating
system must conform to 8527 6
7.1
0.
SHOWERS,
BIDETS,
TAPS
AND
MIXING
VALVES
Taps
and mixing valves must be suitable
for
operating at mains
pressure.
Thermostatically controlled or pressure equalising shower valves
will give
added
comfort
and
safeguard
against
excessive
temperatures.
Hot and cold mains
fed
water can be supplied direct to an
over-
rim flushing bidet subject to local Water Company requirements.
A loose-head
shower
hose
must
be
fixed so
as
to
stop
the
shower head coming within
25
mm of the top edge of the
bath
to
prevent
it falling
into
the
water.
Alternatively
an
anti-
syphonage device should be fitted.
HOT
AND
COLD
FLOW
The flow of water from the
hot
and
cold taps depends
on
the
mains water pressure and it may not be possible
in
some homes
to run more than one tap simultaneously.
To
get
an
even
supply
of
water
to
outlets,
individual flow
regulators can be fitted to the supply pipes to give an even water
distribution.
GAS
LEAK
If
you suspect a gas leak, turn
off
the
gas supply to the appliance
and
call your local
Gas
Region.
Do
not
operate any electrical
switches.
WATER
MAINS
FAILURE
In
the event of mains water supply failure domestic hot water
will
not be available from the appliance. However, the central
heating
will
continue to operate.
If
the appliance
is
fitted
to
an
open vent system then there must always be water
in
the make-
up tank
for
safe operation.
ELECTRICITY
SUPPLY
FAILURE
If
the electricity supply
fails
the appliance
will
not operate. Once
the
supply
is
restored
the
appliance
will
return
to
normal
operation.
If
a programmer
is
fitted, check
that
the settings have
been maintained.
·
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a
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: 7 " - OJ: "
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'II
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<
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'-"
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\:
o--)
~
&
The
colour of the wires of the mains lead of the appliance
may
not
correspond
with
the
coloured markings identifying
the
terminals
in
your plug.
In
this case proceed as
follows:
The
wire
coloured green
and
yellow must be connected to the terminal on
the plug
that
is
marked with the letter
E,
or by the earth symbol
.;_,.
, or coloured green or green and
yellow.
The
blue wire must be
connected to the terminal which
is
marked with either the letter
N or coloured black.
The
brown wire must be connected to
the
terminal which
is
marked with the letter L or coloured red.
Electricity supply:
240V-
, 50Hz, 150 watts. Fuse
at
3A.
,__:;,"
'""~<~":
~"'7'.;_.~~;,
';~/
~
7
.,.
"'"'
/'\f
" -
~
',
_
M_antlatorcM
RequirceJnents
: '
"'
""'
X
~
"'!;-"
'!t
1',
0<)
0
'?.
~
:"'
/ -
;:
'i
~
GAS
SAFETY
(INSTALLATION
AND
USE)
REGULATIONS
1984:
All
gas appliances
must
be installed by a competent person in
accordance
with
the
above
regulations.
Failure to
install
appliances correctly could lead to prosecution. It is in
your
interest,
and
that
of safety, to
ensure
compliance with
the
requirements. The manufacturers notes
must
not
be taken, in
any
way,
as over-riding statutory obligations.
WARNING
This
appliance
must
be earthed and protected by a
3A
fuse
if
a
1
3A
plug
is
used.
If
any other type of plug
is
used a
SA
fuse must
be fitted
in
the plug or adaptor or at the distribution board.
Bosch Thermotechnik
Worcester
Heat
Systems Limited, Cotswold Way, Warndon, Worcester
WR4
9SW.
Telephone:
(0
1905)
754624
Fax: (01905)
754619
This
booklet
is
accurate
at
the
date
of
printing but
will
be
superseded
and
should
be
disregarded
if
specifications and/
or
appearances
are
changed
in
the
interests
of
continued
improvement.
All
goods
sold
are subject
to
our
official
Conditions
of
Sale,
a
copy
of
which
may
be
obtained
on
application.
8
716115
055
4


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