Front Sid
e
Size: 420 mm (W
) x 297 mm (H)
Red Line
Mark are
for
Foldin
g.
Not to be Pr
inted
7
11
12
13
14
8
9
10
Connec
ting Multi-function S
afet
y valv
e
Wrap the thr
eaded part of the c
old wa
ter
inlet pipe with Teflon tape in clock
wise
direc
tion.
Figur
e 10
Cold wate
r
inlet pipe
Te
flo
n
Connec
t the Multi-func
tion Saf
ety v
alve
to c
old wa
ter inlet pipe and r
otate it in
clockwise dir
ection till it gets fix
ed.
Figur
e 11
Discharge
Outlet
Multi-function
Safe
ty valv
e
Note:
The M
ulti-function S
afet
y valv
e may dr
ip during the usage of the hea
ter
. As
the wa
ter is hea
ted
, it expands and tr
ies to flo
w back through the inlet pipe but is
prev
ented b
y the presenc
e of the non-retur
n valv
e (an ex
ter
nal valv
e pro
vided befor
e
cold w
ater tap
). Hence w
ater ma
y drip fr
om the Multi-func
tion Saf
ety v
alve
. Ther
efor
e,
Discharge O
utlet is pro
vided to dischar
ge wa
ter fr
om the W
ater Hea
ter
. To a
void
dripping
, it is rec
ommended to install non-r
eturn v
alve a
t a distance of a
t least 40 feet
aw
ay fr
om the inlet of the W
ater Hea
ter
.
CAUTION
•
The M
ulti-function S
afet
y valv
e should never be r
emoved or blocked b
y any means
to pr
even
t it from dr
ipping or releasing the e
xcess pr
essure inside the hea
ter
.
Failur
e to do so ma
y result in damage t
o the W
ater Hea
ter and injur
ies to the user
.
This will also make the w
arran
ty null and v
oid.
•
Discharge O
utlet is pro
vided to r
elease the discharge fr
om the W
ater Hea
ter in
case exc
essive pr
essure is dev
eloped. T
he con
ten
ts of the discharge fr
om the
Multi-func
tion Saf
ety v
alve ma
y be hot and may cause bur
ns to the users and
damage nearb
y objects
, theref
ore it is r
ecommended t
o take pre
-cautions while
discharg
ing wa
ter fr
om the W
ater Hea
ter
.
•
It is r
ecommended t
o opera
te the Dischar
ge lever in the M
ulti-function S
afet
y valv
e
on a regular basis t
o ensure tha
t there ar
e no blockages and also t
o remo
ve an
y
lime deposits that w
ould have been f
ormed inside the
Wat
er Heater
.
•
Ensure tha
t the W
ater Hea
ter is in po
wer OFF c
ondition when the Discharge L
ever
is being opera
ted
. Ensure tha
t the wa
ter is filled c
ompletely in the
Wat
er Heater
befor
e switching it ON.
•
Ensure tha
t the Multi-func
tion Saf
ety v
alve is not damaged while tigh
tening
.
Connec
ting to
Wat
er Supply
Figur
e 12 I
nstallation D
iagram
Cold Water
Tap
*Flexible Hose
Hot Water
Tap
*Flexible
Hose
Multi-function
Safety Valve
Discharge Lever
Discharge Outlet
*Fle
xible Hoses to be pr
ocured b
y the customer
, not part of standar
d produc
t.
1.
Wrap the
Teflon tape ar
ound the inlet and outlet connec
tions of the W
ater Hea
ter t
o
prev
ent leak
age.
2.
Make nec
essary plumbing with r
efer
ence t
o the Installa
tion Diagram (R
efer
“Installa
tion Diagram
”).
3.
Connec
t the cold w
ater pipe t
o the inlet [Blue Sticker].
4.
Connec
t the hot wa
ter pipe t
o the outlet [Red S
ticker].
No
te:
A. O. Smith r
ecommends N
ylon/ Stainless S
teel (SS) br
aided hoses (Fle
xible
Hoses) having a minimum pr
essure r
ating of 8 Bar and hoses should be c
ompatible f
or
hot wa
ter applica
tions.
CAUTION
•
Make sur
e a suitable Teflon tape is used f
or all plumbing connec
tions to pr
even
t
leakage
.
•
Use only N
ylon/ Stainless S
teel (SS) br
aided hoses (Fle
xible Hoses) having a
minimum pressur
e ra
ting of 8 Bar and hoses should be compa
tible for hot w
ater
applications
.
•
Failur
e to f
ollow this instruc
tion can result in pr
operty damage
.
Oper
ation
Filling the
Wat
er Heater
Tank
Figur
e 13
1.
Open a nearb
y hot wa
ter fauc
et to
permit air t
o escape.
2.
Open the cold w
ater inlet v
alve fully
,
filling the W
ater Hea
ter and the
piping.
3.
Close hot wa
ter fauc
et when wa
ter
flo
ws.
4.
Check all the connec
tions to see
if there is an
y leakage
. In case of a
leakage
, drain the w
ater c
ompletely
,
repair the leak
ing joint and then r
efill
the Wat
er Hea
ter
.
CAUTION
•
This
Wat
er Heater should not be oper
ated with insufficien
t amount of w
ater
. Failur
e
to do so ma
y result in damage t
o the W
ater Hea
ter and injur
ies to the user
. This will
also make the war
ran
ty null and v
oid.
•
Once the M
ounting
, Multi-func
tion Saf
ety v
alve
, Plumbing and
Wat
er filling is
complet
ed, then only the po
wer supply should be swit
ched ON.
•
Do not splash w
ater dir
ectly or clean with benz
ene, pesticides
, thinner, alc
ohol, et
c.,
but use a soft, dr
y cloth to clean the
Wat
er Heater
.
Connec
ting to Elec
trical Supply
Figur
e 14
The po
wer c
ord and plug ar
e connec
ted
with this W
ater Hea
ter
. Find a separ
ate
socket for po
wer plug and make sur
e
the socket is in firm c
ontac
t with the
plug. Ensur
e that r
eliable earthing has
been done.
CAUTION
•
Connec
t the W
ater Hea
ter using independen
t sockets, do not use an
y adapters
. Use
multimeter t
o check whether the live line and neutr
al line are not r
everse
, to ensur
e
complet
e safet
y.
•
Bef
ore installing the
Wat
er Heater
, confir
m that the po
wer of
Wat
er Heater ma
tches
electr
ic meter capacit
y and supply wire
.
•
The
Wat
er Heater should be ear
thed reliably
. It is pr
ohibited t
o connec
t the earth
wire t
o neutral wir
e or faucet w
ater pipe
.
Temper
atur
e Con
trol K
nob
Figur
e 15
Heating
indicator
lamp
Powe
r
indicator
lamp
Swit
ch on the W
ater Hea
ter
’s po
wer supply
. The P
ow
er indicator lamp glo
ws.
Temper
atur
e Setting
Tur
n the Temper
atur
e con
trol k
nob clockwise f
or the device t
o commenc
e heating and
change the set temper
atur
e [T
he set temper
atur
e increases if the
Temper
atur
e con
trol
knob is tur
ned clockwise].
Temper
atur
e can be adjusted fr
om 25°C to maximum 75°C.
Modes
Ther
e are t
wo t
ypes of modes depending on the actual w
ater t
empera
ture inside the
inner tank of the W
ater Hea
ter
:
He
atin
g m
od
e
Stan
dby
mo
de
When the ac
tual temper
atur
e of the
wa
ter is less than the set t
empera
ture
, it
enters in
to Hea
ting mode. T
he Heating
indicator lamp glo
ws as sho
wn in “F
igure
16” .
Figur
e 16
Powe
rHeating
Aft
er the W
ater Hea
ter r
eaches set
temper
atur
e, it will en
ter in
to the
Standb
y mode due to the ther
mostat
cut-off
, the Po
wer indica
tor lamp glo
ws
and Heating indica
tor lamp swit
ch off as
shown in
“Figur
e 17” .
Figur
e 17
Powe
rHeating
When the t
empera
ture of the w
ater dr
ops by 5°C fr
om the set temper
atur
e due to
usage of wa
ter
, the W
ater Hea
ter again en
ters in
to the Hea
ting mode.
Draining the
Wat
er Heater
Tank
Whenev
er the W
ater Hea
ter is not used f
or an ex
tended per
iod or if the produc
t is
below fr
eezing temper
atur
e, y
ou will need to unplug the unit and dr
ain it.
Figur
e 18
Discharge
Leve
r
Discharge
Outlet
1.
Swit
ch OFF the electr
ic supply to the
Wat
er Heater
.
2.
Open the hot wa
ter fauc
et until the
wa
ter runs c
ool.
3.
Close cold w
ater supply
.
4.
Drain the w
ater b
y lifting the
Discharge L
ever of the M
ulti-function
Saf
ety v
alve up
war
ds. (R
efer
“Figur
e
18”)
CAUTION
Please tur
n off the pow
er supply to the
Wat
er Heater pr
ior to dr
aining the W
ater
Heater
.
DANGER
HOT
Scalding
Hot wa
ter is danger
ous, especially f
or the young childr
en,
aged or the disabled. T
he W
ater Hea
ter allo
ws y
ou to c
ontr
ol
the temper
atur
e of your hot w
ater
. W
ater t
empera
tures
over 52°C can cause sev
ere bur
ns instantly or dea
th from
scalds. D
o not leave a child or an infir
m person in the bath
unsupervised
.
Troubleshooting
The
Wat
er Heater ma
y not opera
te as desir
ed if used incor
rec
tly or there is a minor
cause, ev
en though the produc
t has no fault. I
n these cases, check the f
ollowing issues
to solv
e simple problems without the help fr
om the Cust
omer Car
e Cen
tre
. If the
problem does not solv
e after check
ing the follo
wing issues, call C
ustomer C
are C
entr
e.
Prob
lem
s
Po
ssib
le
Ca
use
(s)
So
lu
tio
n
Po
wer indica
tor
lamp and Heating
indicator lamp
does not glow
.
No pow
er supply to the
Wat
er
Heater
.
Check pow
er supply and
switch ON elec
trical swit
ch.
Ther
mal Cut
-out has tr
ipped or
problem in in
ter
nal wiring er
ror
.
Call C
ustomer C
are C
entr
e.
Po
wer indica
tor
lamp and Heating
indicator lamp
glow but no hot
wate
r.
Heating Elemen
t breakdo
wn or
inter
nal wiring er
ror
.
Call C
ustomer C
are C
entr
e.
Wat
er
temper
atur
e is
too high.
Impr
oper thermosta
t opera
tion.
Call C
ustomer C
are C
entr
e.
Ther
mal cut-out not oper
ating
.
Call C
ustomer C
are C
entr
e.
Wat
er heats
slowly
.
Lo
w voltage a
t supply mains.
Call C
ustomer C
are C
entr
e.
Scale deposition.
Call C
ustomer C
are C
entr
e.
Piping
connec
tion leaks.
Connec
tion not sealed.
Re
-connec
t piping, using
Teflon tape
.
Wat
er leakage
from pr
oduct.
Leak
age in tank or other parts
.
Swit
ch OFF pow
er
immediately and call
Cust
omer Car
e Cen
tre
.
Wat
er dripping
from M
ulti-
function S
afet
y
valv
e during
heating
.
Non-retur
n valv
e is installed
close to the inlet of the
Wat
er
Heater
.
Install Non-r
eturn v
alve a
t a
distance of a
t least 40 feet
from the inlet of the
Wat
er
Heater (R
efer page 7), if
problem still persists call
Cust
omer Car
e Cen
tre
.
Prob
lem
s
Po
ssib
le
Ca
use
(s)
So
lu
tio
n
Foul smell fr
om
hot wa
ter
.
Presenc
e of organic ma
tter in
input wa
ter
.
Pro
vide trea
ted w
ater a
t
the input.
No usage of hot wa
ter f
or a long
time period
If the
Wat
er Heater is not
used for an e
xtended per
iod
of time, dr
ain the wa
ter
from the
Wat
er Heater
.
Ensure w
ater is filled back
befor
e use of W
ater Hea
ter
.
High elec
trical c
onductivit
y of
wa
ter due t
o dissolved solids in
input wa
ter
.
Call C
ustomer C
are C
entr
e.
Anode options a
vailable f
or
highly conduc
tive w
ater
.
Note: C
all Cust
omer Car
e No. 1800-103-2468/1860-500-2468.
Cir
cuit Diag
ram
Figur
e 19
Heating
Element
L
PE
N
Black
Thermostat
Green/Yellow
Black
Tank
Blue
Blue
White
White
Thermal cutout
Brown
Red
Red
Red light
Green light
