BWT PERMAQ COMPACT 270 Series Installation And Operating Manual Download Page 7

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If  the  temp.  is  below  10  °C,  the
capacity  will  be  3  %  below  nor-
mal  capacity  for  every  degree
under 10 °C.
If  e.g.  the  raw-water  temp.  is  8
°C,  for  an  BWT  PERMAQ

Com-

pact  it  means  that  the  permeate
capacity is 6 % below the normal
400 l/h, i.e. 376 l/h. At the same
time  make  sure  that  the  pressure
on  the  manometer    (E-Figure  3)
does  not  exceed  12  bar  +  inlet
pressure  from  the  water  supply,
however maximum 15 bar.
The normal pressure indicated on
the manometer in order to obtain
normal permeate capacity  will be
approx. 13.5-14.5 bar.
When the requested pressure and
permeate  capacities  have  been
obtained, check again if the outlet
amount  has  been  adjusted  cor-
rectly.
(We  recommend  that  you  loosen
both lock nuts while the valves are
fine-adjusted).
When  both  valves  have  been
adjusted,  they  shall  be  locked
with  the  lock  nuts.  Please  take
care  not  to  move  the  valve  when
you tighten the lock nut
NB!   When the valves have been
locked,  the  plant  shall  be  started
and  stopped  4-5  times,  and  then
the  flow  shall  be  checked  again;
the  valves  are  re-adjusted  if  nec-
essary.
Now check that  the quality  of the
treated  water  on  the  permeate
hose (A-Figure 3); the conductivity
shall  be  below  20  µS/cm  (con-
ductivity  meter  is  available  as
accessory).  If  the  water  quality  is
below  20µS/cm  it  is  OK  and  the
hose  can  be  led  back  to  the  hole
in the reservoir tank.
The  270  litre  reservoir  tank  now
will be filled up with treated water
<20 µS/cm.
Write  the  operating  data  in  the
enclosed  operating  journal  (see
section  –  13.5  Operating  jour-
nal).

7.3

Dearation of transport
pump

The  transport  pump  (G-Figure  3)
is  controlled  by  a  pressure  switch
and  hydrophore  is  preset  to  2.7
bar  from  our  factory,  so  they  do
not have to be adjusted.
Note!  The  transport  pump  (G-
Figure 3) will not start until the
reservoir tank has been complete-
ly full. Wait for the reservoir tank
to  fill  up  completely  (approx.  20
minutes).  Check  that  the  level
switch  (H-Figure  3)  automatically
stops the plant when the reservoir
tank is full.
NB:  Do  not  touch  the  level
switch.
Create  a  large  consumption  of
treated water to get the air out of
the pump.
Check that the transport pump (G-
Figure  3)  starts  up  automatically.
Check  that  the  pump  supplies
water and pressure.
When  you  have  checked  the
transport pump and found it to be
in order, close for consumption of
treated water.
Wait  for  the  transport  pump  to
stop automatically.
Note!  The  transport  pump  does
not stop until 20/30 seconds after
the  consumption  has  ceased  due
to the built-in delay in the control
box.
Once again create a consumption
of  treated  water  and  this  time  let
the  transport  pump  (G-Figure  3)
empty  approx.  100  litres  of  the
reservoir  tank  content.  Check  if
the  plant  starts  up  automatically
and  produces  treated  water.  This
can be read on the flow meter (F-
Figure 3).
The  plant  is  now  commissioned
and ready for use.

7.4

Use of by-pass

Furthermore the plant is furnished
with  a  manual  by-pass  for  raw
water,  i.e.  if  the  plant  for  some
reason  experiences  disturbances,
this valve can be opened and you

will  have  raw  water  on  the  outlet
for consumption. IMPORTANT!
When  the  plant  is  restarted,  you
must  remember  to  close  the  by-
pass  valve  again,  otherwise  you
will  get  a  mixture  of  permeate
and raw water on the outlet.

AUTOMATIC FUNCTIONS

The BWT PERMAQ

Compact

plant is equipped with a control
box which has following built-in
control functions:



Level switch for start/stop
of high-pressure pump



Indication of low water
level

and

stop

transport pump

