Specifications

3
General
requirements
3.1
Related
documents
The
installation
of
the combi
boiler
must be
in
accordance
with the
relevant
requirements
of
the Gas
Safety
Begulations.),
building
regula-
tions,
l.E.E.
Regulations,
and
the byelaws
ot
the
local
Water Undertaking.
It
should
be
in accordance
also
with any
rele-
vant
requirements
of
the
local authority
and
the
relevani
recommendations
of
the
following
British
Standard
Codes
of
Practice:
CP 331
Installation
of
pipes
and
meters
for
lown
gas,
Part
3:
Low
Pressure
installation
pipes.
BS 5376
Selection
and
installation
of
gas
space
heating
(1
. and
2. family
gases).
Part
2 Boilers
of
rated
inPut
not
exceeding
60
kW.
BS
5449
Central
heating
for domestic
oremrses.
Part
1 Forced
circulation
hot water
syslems.
cP
342 Centralized
hot water
suPPlY
Part
1 Individual
dwellings,
Part 2
Buildings
other
than
dwellings.
BS 5440
Flues
and
air suPPlY
for
appliances
of
rated
input not
ding
60
kW
(1.
and
2.
familY
Part 1
Flues
Part 2 Air suPPlY.
BS 5446:
1979
Installation
of
gas
hot
supplies
for domestic
PurPoses
We
like to drawyourattention
tothefactthd
connection
for
the
filling or
replenishing ol
a
sealed
primary
circuit
from
a supply
pipe
is
can
ditional
upon a
water undertaking
seeking aa
obtaining
consentfora
relaxation
otits
Byeh
3
and
8
(1)
from
the Secretary
of State.
.)
Gas
Safety
Regulation,
1972:
It is
the law
that all
gas
appliances
are
ins{d
by competent
persons
in accordance
with t:
above
regulations.
Failure
to
install appliar a
,
correctly
bould
lead
to
prosecution. This
b L
your
own
interest
and
that of safety
to erisG
ihat the
law is complied
with.
3.2
Location
3.2.1
Vcwqjle
(8.F. APP|iance)
The
location
dhosen
for
the combi
boiler
must
oermit
the
provisions
of a
satisfactory
flue
ierminal.
The
location
must also
provide
adequate
space
for servicing
and air
circulation
around
the
heater.
The combi
boiler
may be
installed
in any
room,
although
particular
attention
is cjrawn
to
the requirements
of
the
l.E.E.
Regulations
and,
in Scotland,
the
electrical
provisions
of
the building
regulations,
with
respect
to
the
installation
of the combi
boiler
in a room
containing
a
bath or
shower.
Where
the
installation
of the
combi boilerwill
be
in an
unusual
location,
special
procedures
may
be
necessary
and
BS
5546 and
BS 5376
: 2
give
detailed
guidance on
this aspect.
A
compartment
used
to enclose
the combi
boiler
must
be designed
and constructed
specifically
for
this
purpose. An existing
cup-
board
or
iompartment
may be
used
provided
that
it is
modified
for
the
purpose.
Details
of
essential
features
of
cupboardi
compartment
design
including
airing
cupboard
instdllations
are
given
in BS 5376
: 2.
3.2.2
VCW
(O.F.
APPliance)
The
location
chosen
for the combi
boiler
nrrsl
permit
the
provision
of a satisfactory
flue ad
bdequate
air supply.
The location
must fu
provide
adequate
space
for servicing
ard *
circulation
around
the appliance.
The combi
boiler
must
not be installed
in a
rqq
containing
a
bath or
shower.
In addition,
it
b
recommended
that
the combi
boiler
should
rd
be
fitted
in a bedroom.
Where
the
installationd
the combi
boiler
will
be
in
an
unusual
posilb\
special
procedures
may be
necessary
and BS
5'326
:2 and
BS 5546
give
detailed
guidanceot
this
aspect.
A compartment
used
to enclosete
combi
boiler
must
be designed
and construec
specifically
for
this
purpose. An existing op-
bbard
or iompartment
may be used
provided
that
it is modified
for the
purpose.
Details
of essential
features
of cupboard
compartment
design
including
airing
cupboad
installations
are
given
in BS
5376
: 2.
3.3
Gas
supply
3.3.1 Service
pipes
The
local
gas
region should
be consulted
at the
installation
planning
stage
in order
to establish
4
the
availability
of
an adequate
supply
of
gas.
An existing
service
pipe
must
not be used
wit>
out
prior
consultation
with the
local
gas
regiorl