Cipax CPX 23032 Installation Manual - Page 4

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Anchoring

If there is a risk for high ground water level the Septic tank must

be anchored to avoid being pushed up from the ground. We

recommend using a geotextile as cover with anchor trenches

around the Septic alternatively durable anchoring bands com-

bined with anchoring plates. The Septic tank can be influenced

by very large forces so make sure to spread these over as large

surface as possible. Make sure that no sharp edges are in contact

with the tank like for instance locking devices from bands.

Pipe connections

The septic tank is supplied with installed T-pipe. Inlet hole is

predrilled and Ø110 mm rubber sealing is mounted. Outlet has

a Ø110 mm female connection. The Septic Tank alternative

locations for inlet and outlet connections that are clearly marked

with direction arrows, text and drill marks in case alternative

placement of Septic tank is needed. Please contact CIPAX if al-

ternative predrilling is requested. Recommended is use of one

inlet and one outlet.

Do not use pipes at 90-degrees bends neither to or from the

tank. If this cannot in any way be avoided then use two 45°

bends instead. Recommended is that in and out piping shall be at

freeze safe depth. The in-pipe should be pushed in at least 200

mm into the tank. Make sure all piping has a stable support from

below before refilling.

Never connect rainwater drainage to the Septic tank!

Ventilation

The septic system must have a good ventilation to work proper-

ly. Normally the ventilation from the sewer piping is led above

the roof of the building. In some cases the ventilation is attached

directly to the Septic tank. That solution require a pipe dimen-

sion of minimum 75 mm. It can also in some cases cause smell

but by using a ventilation valve equipped with active coal filter

the smell will disappear.

Back filling

When it is time for back filling to cover the Septic tank it is

strongly recommended to fill with water simultaneously. It will

then stabilize and resist impact from the backfilling.

The backfilling approx. 200 mm closest to the tank should con-

sist of gravel or sand without sharp stones that can cause dam-

age and that also will improve water drainage. Make sure to fill

out carefully around the lower rounded areas of the tank and in

the through-holes. Pack the filling gradually around the tank. Do

not use vibrator when backfilling!

Function and operation

The main function of the Septic tank is to separate sludge parti-

cles from water. Incoming particles arriving via piping from e.g. a

house is moving slowly through the different chambers inside.

The different chambers are communicating via specific holes

placed at a certain height between the bottom and the liquid

surface. Thereafter the separated water is leaving the Septic tank

via a T-pipe alternatively via a pump with built in T-pipe function

Only let black or grey water pass through the sewer and avoid

strong chemicals or toxins. Minimize the amount of oil or fat

from cooking into the sewer and also passing large quantities of

water in short time like emptying of bath tub. Try to empty

gradually to avoid swirls risking to pass sludge to the infiltration.

After completed installation the Septic is almost start operate.

First quick check that it is filled with water up to the outlet pipe.

If not, fill it all the way up. During first week of usage make a few

checks that sewage comes in and water goes out and the level is

intact to ensure the whole system works properly. The Septic

does not work properly if it is not filled with water all the way

up to the outlet pipe. If it is not filled there is a risk for escape of

sludge which can clog the infiltration. We do not recommend

filling the Septic with sewage water containing any sludge.

Emptying and filling

The Septic must be emptied in time to prevent potential escape

of sludge out to the infiltration. It is very important to refill the

Septic with water directly after sludge emptying. The Septic shall

not be left empty during longer time while installed.

The Septic is classified for a household up to 10 persons. At

normal use one emptying per year is required. If the Septic Tank

is used for only greywater then emptying normally will be re-

quired every second year.

Majority of the sludge shall stay in the first chamber. If sludge

appears in chamber two or even in chamber three a more fre-

quent emptying can be required.

Emptying procedure

To prevent escape of sludge start with emptying chamber 1

thereafter 2 and last chamber 3. Then inspect the inlet and out-

let and clean with water if needed.

Filling procedure

The Septic Tank shall be filled in reverse order as filling. Start

filling chamber 3, then chamber 2 and last chamber 1. Check

that water level goes up to outlet.

Maintenance

Even though the Septic is more or less maintenance free it is

wise to check function and status on a regular basis like for ex-

ample at sludge emptying. A visual check that debris aren't block-

ing any and that no damages shows is enough. It is recommend-

ed to make a note when the Septic has been emptied to keep

track at frequency.

Recycling

The septic tank including interior and lid is made from polyeth-

ylene that can be returned for recycling at local waste deposit

after being cleaned and cut to smaller pieces.

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