Alka Natural Water Alka-Pi Installation Manual - Page 8
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Not Enough Water From Holding Tank
i
possible Cause
,
Feed
water
valve is plugged
or closed
.
I
Solution
lopen
valve
or
unclog.
,
-
SedimenUCarbon
filter(s
)
clogged.
'
RePlace
Filters.
I.
Low incoming
waler
pressure.
I
incoming
water
pressure
must be above 40
PSI. Install Booster or Permeate Pump.
I-
Reverse
Osmosis
Membrane
is
fouled.
IMake sure
,ncomlng
water
pressure is within
operating limits.
Make sure
drain line is
not clogged. (S
ee
High
TDS)
Correct
cause of fouling
and replace RO
Membrane.
I-
Air pressure
in
holding
tank
is incorrect.
IEmpty
water
from holding tank.
Air
pressure in
valve stem should
be between
6
-8 PSI.
I-
Air
Bladder in Holding
Tank
is
ruptured.
IRePlace
Holding
Tank.
,
- Holding Tank
valve
is
closed
.
lopen
valve.
I
- No
water to
drain.
Drain Flow Restrictor is
clogged.
IRePlace Drain Flow Restrictor.
I
- No water to
drain.
Air Gap
Faucet is
clogged.
tClear or
replace
Air Gap
Faucet
I
-Check
Valve
on
RO Membrane
Housing is
stuck.
IReplace
Check Valve.
I
- Automatic
Shut-Off Valve
Malfunctioning
.
IReplace Automatic
Shut-Off
Valve.
Low Water Pressure From Dispensing Faucet
IpOSSibie Cause
ISolution
•
Air Pressure
in Holding Tank
is incorrect.
I!pen faucet and empty
water
from holding
tank. Shut
off
feed
water
to
system
an
d
remove
holding
tank fro
m
under
sink
Locate
This is the
#1
reason
for low flow from
Reverse Osmosis
the air
valve
stem
Gust
like
on a car or bicycle
tire) and
add
air.
If
there is still
water
in the
tank,
continue
to add air until
a\1
the
water
Faucet.
is removed.
Once all the water
is
removed, continue to add air and
pressurize to
6-8
PSI. Re-tnstall the tank
under the
sink,
turn
on
feed
supply to the system and allow
the
tank to
fill.
I
- Carbon Post
Filter is clogged.
I
Replace Post Filter
I
-
HOlding
Tank Valve
is
partiallyctosed.
l
open Valve.
I
- Faucet is out
of adjustment or
faulty.
IRepair
or replace Faucet
.
,
- Heavy
water
use.
Holding Tank
empty.
IAliow Holding Tank to
refill
.
l
eLowWater Production
.
ISee
previous section on Low Quantity of Water
From Holding Tank.
Product Water is High in Total Dissolved Solids (TDS)
Ipossible Cause
]Solution
,
-Clogged Prefilter.
IRePlace Filter.
[.
Low incoming
water pressure
.
IlncOming water
pressure must
be
>
40 PSI. Install
Booster or
Permeate Pump
.
,
-
RO Membrane is not
correctiy
seated in
Housing.
IC
heck that RO Membrane is correctly
installed
.
t
Ie
Reverse Osmosis
membrane
is expended.
I:f Membrane life is unusually
short.
find
and correct
the
problem.
(Average
I,fe
is 2
-
3 years
)
Replace
RO
Membrane.
I-
Product
water and drain
water lines
are
reversed.
ICorrect
plumbing.
I
-
No water
to
drain.
Drain Flow Restrictor
is
clogged.
IRePlace
Drain Flow Restrictor.
I~-
No
water
to
dra,n.
Air Gap
Faucet is clogged
.
IClear
or
replace Air
Gap
Faucet.
I
-The Automat ic Shut-Off
Valve
is not
closing.
~
rRepa"
or
replace
Automatic
Shut-Off
Vatve.
,
-New Carbon Postfilter
has not
been rinsed
completely.
'
Iorain Holding Tank twice to
rinse new Carbon
Postfilter.
I
-The incoming
feed water
TDS has
increased.
IA
n
increase
in
feed water
TOS
will
also
give an
increase in Product
Water
TOS.
Tastes
and Odors in Product
Water
IpOSSibie Cause
I
Solutio~
I-
carbon
Post Filter
is
exhausted
.
IRePlace
Filter.
~-----------------------------------------
I
-
There
is
foreign matter in Hotding Tank.
'Clean,
flush
and
sanitize
the
Holding Tank. Replace
fitte
rs.
Ir_·p
- r-
o d
-
u
-
c
-t-w
-a
-te
- r-
a
-n
-d-
D
-
r-a-
in
-
w
-
a
-
t
-
e-r
-
hn
-
e
-
s
-
a
-
r-e- r-
e
-
v e
-
rs
-
e
-
d
- .- -
-- - - - - -
-- - -
Ic
orrect
plumbing
.
1
I-
Dissolved
gases
in feed water.
rl
p
-
r-e-
-t-
r e -a -t-fe
-e
-d-
w
-
a
-
t-
e-
r
-
t
o-
r-e-m
-o
-v- e-g-a-s-
s e
-
s
-.- - - - -
-- -
-- - - - - - - - - - - -
Ir
_=
c-
t n
- -
ase
- -
-
du -t-W
-
te-
r
-
- - - - -
-- - - - - - - -
-- - - - - -
Isee
High TDS in Product
Water Sec1ion
.
-
cre- - - in-
Pro-
-
c
-
a
-
T-
D
S.
Drain Water Overflows at the Air Gap Faucet
(POSSible Cause
JSolution
r:1_
·
A -ir
-
G
-
ap
-
is-
C -IO
-
g
-
g
-e
-d-.
-
-- - - -
--
--
-- - - - -
-- - - - - - -
IClear
Air
Gap
'
e Drain
line is
dogged.
IClear
tubing
.
rl
_ ;O-D
- r-
a-
i
n-
n
-o-w
-
r
-
a-te
-
,
-
·
s-to
-
o
- h-
i
9-h-
.
- - - - - -
-- - - - - - -
-- - - -
-- I
RePlace
Flow Re
strictor.
Faucet Leaks or Drips
Ipossible Cause
ISolution
r------------------------------------
Adjust
faucet
by turning the tee bar
located
under the handle
to
prov,de
a small
amount of free
play
in
the
Water
leaks from faucet spout.
I
_
handle when
shut
off.
Should
this not
work,
repair
or
replace the
faucet.
rl-
-
L
-aks-frO
m
-
-eath
-
t
-
he-h
-e
- - - - -
ben
-
-
-
-a-nd-
I
e-.- - - - - - -
-- - - - -
--
Repair
or replace the
faucet.
8