3
2
MAIN
DRAIN
Model
:
EM2837
;
EM2838
;
EM2839
;
EM2840
Codes
:
91600514
;
91600515
;
91600516
;
91600517
IMPORTANT
:
This
instruction
manual
includes
essential
information
on
the
safety
measures
to
be
implemented
for installation
and
start
-
up
.
Therefore
,
the
installer
as
well
as
the
user must read
the
instructions
before
starting
installation
and
start
-
up
.
Keep
this
manual
for future
reference
.
1
.
-
MAIN
DRAIN
:
Main
drains
are
used
to
take
out
water
from
the
deepest
part
of
the
pool
2
.
-
INSTALLATION
:
According
to
the
normative
,
main
drains
have
to
be
installed
as
following
:
-
Main
drains
have
to
be
installed
in
the
deepest
part
of
the
pool
.
-
The
minimum
distance
between
two
main
drains
is
2
meters
.
-
The
minimum
distance
between
the
main
drain
and
the
wall
of
the
pool
is
300
mm
.
-
The
maximum
water
velocity
through
the
grille
is
0
.
5
m
/
sec
.
-
The
maximum
water velocity
in
the
suction
pipe
until
the
filtration
pump
is
1
.
5
m
/
sec
.
The
flow
rate
required for
the
installation will
determine
the
number
of
main
drains needed
.
The
maximum
flow
rate
allowed
is
13
m
3
/
h
.
Fig
.
1
3
.
-
MODELS
:
*
Emaux
Water
Technology
Co
.,
Ltd
.
recommends
to
install
a
hydrostatic
valve
(
not
included
)
on
the
lower
outlet
of
the
main
drain
(
BSP thread
1
½”
),
in
order
to
relieve
the
pressure
that
potential
ground
-
water
might
exert
on
the
pool
structure
,
especially
when
it
is
empty
or
it
is
Vinyl
pool
.
4
.
-
WARNINGS
:
SUCTION
ENTRAPMENT
HAZARD
.
Suction
in
suction
outlets
and
/
or
suction
outlet
covers
which
are
dam
aged
,
broken
,
cracked
,
missing
,
or
unsecured
can
cause
severe
injury
or
death
due
to
the
following
entrapment
hazards
:
4
.
1
.
-
Hair
Entrapment
-
Hair
becomes
knotted
or
snagged
in
an
outlet
cover
.
4
.
2
.
-
Limb
Entrapment
-
A limb
sucked
or
inserted
into
an
opening
of
a
circulation
swelling
Concrete
pools
Vinyl
pools
with
Liner
EM2838
EM2839
EM2837
EM2840
Metric
connections
Suction
Circuit
G2”
G2 ”
∅
50
mm
Imperial
connections
Suction
Circuit
Hydrostatic
valve
connection
*
G2”
∅
50
mm
G2”
Hydrostatic
valve
connection
*
∅
1
½
”
∅
1
½
”
for
the
recirculation process
.
It
is
also
used
to
drain
the
pool
.(
Fig
1
)
POS
.
CODE
PRODUCT DESCRIPTION
4
.
3
.
-
Body
Suction
Entrapment
-
Suction
applied
to
a
large
portion
of
the
body
or
limbs
resulting
in
an entrapment
.
4
.
4
.
-
Mechanical
Entrapment
-
Potential
for
jewelry
,
swimsuit
,
hair
decorations
,
finger
,
toe
or
knuckle
to be
caught
in
an
opening
of
an
outlet
or
cover
.
5
.
-
SPARE PARTS
LIST
:
outlet with a broken or missing cover in the pool resulting in a mechanical bind or
1
03012109
Screws M5x24
2
01050195
Lid
3
03012110
Screws M6x24
4
01050196
Facering
5
02010278
Liner gaskets
6
01050197
Body
EM2837
1
2
3
4
5
6
EM2838
1
2
3
POS
.
CODE
PRODUCT DESCRIPTION
1
03017125
Screws M5x10
2
01050195
Lid
3
01050198
Body
EM2839
1
2
3
POS
.
CODE
PRODUCT DESCRIPTION
1
03012108
Screws M5x30
2
01050199
Lid
3
01050200
Body
POS
.
CODE
PRODUCT DESCRIPTION
1
2
3
4
5
6
EM2840
1
2
3
4
5
6
03012111
Screws M5x45
01050199
Lid
03011322
Screws M5x25
01050201
Facering
02010282
Liner gaskets
01050202
Body
