Instructions for the assembly and installation - KLARO GmbH

Instructions for the assembly and 

installation 

of KLARO Easy single and multi container plants 

We provide clear water 

No mechanics 

in the wastewater 

No pumps 


No electrical parts 

in the wastewater

No mechanics 


No pumps 


No electrical parts 

in the wastewater

Instructions for the assembly and installation of KLARO Easy 

Instructions for the assembly & installation 

of KLARO Easy 

single and multi container plants 

KLARO GmbH 

Spitzwegstrasse 63 

95447 Bayreuth 

Phone: (0921)16279-0 

Fax: (0921)16279-100 

info@klaro.eu 

www.klaro.eu 

KLARO GmbH 3


Table of contents 

Page 

1. General notes ...................................................................................................................................5 

1.1. Warranty...........................................................................................................................................5 

1.2. Safety ...............................................................................................................................................5 

2. Preparation........................................................................................................................................5 

2.1. Transport ..........................................................................................................................................5 

2.2. Checking the delivery.......................................................................................................................5 

2.3. Storage.............................................................................................................................................5 

2.4. Dimensions of the containers...........................................................................................................6 

2.4.1. Carat..........................................................................................................................................6 

2.4.2. Carat XL ....................................................................................................................................7 

2.5. Installation ground ............................................................................................................................7 

2.6. Excavation pit ...................................................................................................................................7 

2.7. Installation conditions .......................................................................................................................8 

2.7.1. Groundwater and cohesive (water-impermeable) ground ........................................................8 

2.7.2. Slope, embankment, etc. ..........................................................................................................9 

2.7.3. Installation next to / in areas which are driven on.....................................................................9 

3. Installation in the excavation pit...................................................................................................10 

3.1. Installation of the containers ..........................................................................................................10 

3.2. Refilling the excavation pit..............................................................................................................10 

4. Technical assembly .......................................................................................................................10 

4.1. Connection of pipes........................................................................................................................10 

4.1.1. Connection of containers ........................................................................................................10 

4.1.2. Inlet and outlet.........................................................................................................................10 

4.1.3. Empty conduit .........................................................................................................................11 

4.1.4. Forced ventilation....................................................................................................................11 

4.2. Assembly of the telescopic dome shaft..........................................................................................12 

4.2.1. Assembly of the tank dome.....................................................................................................12 

4.2.2. Assembly of the telescopic dome shaft...................................................................................12 

4.2.3. Accessible telescopic dome shaft ...........................................................................................12 

4.2.4. Telescopic dome shaft which can be driven on with a car......................................................13 

4.2.5. Telescopic dome shaft made of concrete and cast iron .........................................................13 

4.2.6. Assembly of the intermediate piece ........................................................................................13 

4.3. Air hoses.........................................................................................................................................14 

4.4. Filling with water.............................................................................................................................14 

5. Assembly of the control cabinet...................................................................................................15 

5.1. Installation in interior zones............................................................................................................15 

5.2. Installation in exterior zones...........................................................................................................16 

5.2.1. Location...................................................................................................................................16 

5.2.2. Electricity supply .....................................................................................................................16 

5.2.3. Assembly and installation........................................................................................................16 

5.3. Connection of air hoses..................................................................................................................16 

6. Commissioning ..............................................................................................................................18 

7. Return of the commissioning report ............................................................................................18 

4 KLARO GmbH


1. General notes 

1.1. Warranty 

The instructions contained in this manual must be observed at all times. Noncompliance shall 

invalidate any warranty claim. 

All components must be checked for damage prior to assembly or installation. 

Installation is to be carried out by a specialised company. 

1.2. Safety 

The relevant accident prevention regulations according to the German Employers' Liability 

Association Regulations [BGV] C22 must be observed carrying out all work. A second person must 

be available to safeguard persons inspecting containers from the inside. 

Furthermore, all relevant regulations and standards must be observed when carrying out installation, 

assembly, maintenance, repairs, etc. The applicable information is provided in the corresponding 

chapters of this manual. 

Prior to the access into the container, all chambers must be emptied. Never access a 

container as long as any chamber remains filled! 

The entire plant or any individual parts of it must be installed by a suitably trained professional and in 

compliance with the enclosed manual. 

When carrying out any work on the plant or parts of it, the entire plant must be decommissioned and 

secured against unauthorised switching back on. 

The container cover must always be closed, except when working in 

the container. Otherwise, there is a very significant risk of an accident 

occurring. The rain cover mounted for delivery is only a transport 

packaging. It can neither be walked on nor is it childproof and 

must be exchanged for a suitable cover at the time of delivery 

(telescopic dome shaft with appropriate cover)! Only use original 

KLARO covers or covers approved by KLARO GmbH in writing. 

KLARO offers a wide range of accessories which are compatible and 

can be assembled to form complete systems. The use of other 

accessories may impair the functionality of the plant and void all liability 

for any resulting damage. 

2. Preparation 

2.1. Transport 

Transport the containers may only carried out with suitable means of transportation. The containers 

must be secured against shifting and falling during transport. If the containers are secured with 

lashing straps during transport, it must be ensured that the containers remain undamaged. Never tie 

down or lift the containers with thin steel ropes or chains. Never apply carrying straps to protruding 

container or attachment parts. 

It is imperative to avoid mechanical stress to the containers due to impacts. Never roll or drag 

containers along the ground. 

2.2. Checking the delivery 

The customer must check all parts for completeness on the basis of the shipping note and for 

possible transport damage immediately at the time of delivery. We will not acknowledge complaints 

made at a later date. Damaged parts may not be installed. 

2.3. Storage 

If interim storage is required, the containers must be stored on a suitable and level surface, free from 

pointed objects. During storage, damage due to environmental impacts or third persons must be 

avoided. 

The equipment cabinet must be stored in a dry location. 



2.4. Dimensions of the containers 

2.4.1. Carat 

Alternative inlet 

at a higher point: 

Mini h E + 0.26m 

Maxi h E + 0.27m 

t inl 

t out 

DN 100 DN 100 

t total 

h E 

l 

w 

Container size 3,750 l 4,800 l 6,500 l 

Mini tank dome 

Inlet depth t inl [m] 0.65 - 0.85 

Outlet depth t out [m] 0.66 - 0.86 

Installation t total [m] 2.01 - 2.21 2.24 - 2.44 2.52 - 2.72 

depth 

Maxi tank dome 

Inlet depth t inl [m] 0.98 – 1.18 

Outlet depth t out [m] 0.99 – 1.19 

Installation t total [m] 2.34 – 2.54 2.57 – 2.77 2.85 – 3.05 

depth 

Inlet h E [m] 1.36 1.59 1.87 

Width w [m] 1.76 1.99 2.19 

Length l [m] 2.28 2.28 2.39 

Weight without set-up kit [kg] 150 185 220 

Standard sizes with 

mini telescopic 

cover 



2.4.2. Carat XL 

h 

l 

b 

h 

l 

b 

Container size 8,500 l 10,000 l 

Weight [kg] 380 456 

Height h [mm] 2085 2285 

Width w [mm] 2040 2240 

Length l [mm] 3500 3520 

All dimensions are subject to a tolerance of +/- 3%. 

2.5. Installation ground 

The following issues must be clarified prior to installation: 

• structural suitability of the ground according to DIN 18196 

• max. possible groundwater levels or seepage capacity of the soil 

• possible mechanical loads, e.g. traffic loads 

The local building authorities can provide you with the physical parameters of the ground. 

2.6. Excavation pit 

In order to ensure sufficient working space, the surface area of the excavation pit must exceed the 

container dimensions by approx. 500 mm on each side; the distance to static structures must be at 

least 1,000 mm. 

Excavation pit and embankment must be excavated and secured by the customer in compliance with 

DIN 4124. The embankment angle must be specified taking into account the relevant standards, 

rules and regulations for occupational safety. The ground to be built on must be horizontal and even 

and its adequate load carrying capacity must be ensured. 



The depth of the pit must be specified such that the maximum coverage above the container is not 

exceeded (see chapter 2.7). If the plant is to be used throughout the year, the container and all 

components which carry water must be installed in frost-protected areas. Frost-free depth is usually 

approx. 600 - 800 mm. Detailed information can be obtained from your local authorities. The 

substructure consists of a layer of compressed round grain gravel (grain size 8/16 according to DIN 

4226-1, thickness approx. 150 – 200 mm). 

1 Soil 

2 Dome shaft with telescopic attachment 

3 Compressed substructure 

4 Shell (round grain gravel, max. grain 

size 8/16 according to DIN 4226-1) 

5 Cover layer 

6 Container 

7 Concrete layer for areas driven on 

with cars 

2.7. Installation conditions 

General information: 

• Special installation provisions must be observed for groundwater and slopes (see chapter 

2.6). 

• Standard models can be walked on. If cars can be driving over the plant, see chapter 

2.7.3. Containers with a volume of at least 3,750 l can be driven over with lorries of up to 

12 tons if the covering is reinforced as specified in chapter 4.2.10. 

• Max. soil coverage over the tank shoulder is: 

Max. soil cover 

- With connecting piece and telescopic [m] 1.50 

shaft 

- Telescopic dome shaft maxi + cast iron [m] 1.05 

- With standard dome shaft [m] 0.95 

Min. soil coverage [m] 0.75 

Requirements include: 

o Installation only in accessible areas. 

o The container must not be installed in groundwater and artesian water. 

2.7.1. Groundwater and cohesive (water-impermeable) ground 

In cases where only occasional groundwater and cohesive and water-impermeable ground (e.g. 

clay) occurs, appropriate drainage for groundwater and seepage water must be provided to ensure 

that the maximum water level of the container in the groundwater never exceeds the values indicated 

in the table. 

If necessary, the drainage pipe must end in a 

vertically installed DN 300 pipe with inserted 

submersion pressure pump which pumps out the 

excess water. The pump must be checked on a 

regular basis. 

If the containers are expected to immerse deeper, 

it is absolutely necessary to provide adequate 

drainage. 

Container [l] 3,750 4,800 6,500 8,500 10,000 

Max. immersion depth [m] 1.59 0.91 1.05 

Min. soil cover [m] 0.80 0.80 0.80 



2.7.2. Slope, embankment, etc. 

If the container is to be installed in the direct vicinity (< 5 m) of a slope, mound of earth or 

embankment, a statically calculated supporting wall which supports earth pressure must be 

constructed. The wall must protrude the container dimensions by at least 50 cm in all 

directions with a minimum distance of 100 cm to the container. 

2.7.3. Installation next to / in areas which are driven on 

Coverage heights for cast iron telescopic dome shafts (class B) in areas which are driven on 

by cars (load of up to 3.5 t) (without groundwater and artesian water). 

Coverage heights for telescopic dome shafts made of concrete and cast iron (with class D 

covering – to be provided by the customer) in areas driven on by 12 t lorries (load of up to 12 

t) (without groundwater and artesian water). 



3. Installation in the excavation pit 

3.1. Installation of the containers 

Prior to the installation of the containers, the installation depth must be checked once again, in 

particular with regard to inlet and outlet height. Containers must be placed and aligned in compliance 

with the applicable installation drawing. Special attention must be paid to the exact horizontal 

installation of the container. 

3.2. Refilling the excavation pit 

The container must be lowered into the prepared excavation pit using appropriate gear (also see 

chapter 2.1 and 2.3 - Transport and storage). Impacts on the sides of the pit must be avoided. In 

order to avoid deformations, the container encasement must be filled with water (1/3 for Carat and 

25 cm for Carat XL) prior to filling in the space around the container. Then the encasement (round 

grain gravel with a max. grain size of 8/16 according to DIN 4226-1) is filled layer by layer in steps of 

max. 30 cm for Carat and max. 40 cm for Carat XL and compressed. Each layer must be well 

compressed (hand stamper). Make sure not to damage the container when compressing the 

encasement. Never use mechanical compression machines. The encasement must have a width of 

min. 50 cm. The pit must be quickly filled in with round grain gravel within one day. Otherwise, in the 

event of heavy rain, there is a risk of 

excessive loads due to backwater. 

Filling material: 

– The filling material must be well 

compressible, permeable, shearingresistant, 

frost-proof and free from 

pointed objects. 

– These requirements are for example 

met by round grain gravel (with max. 

grain size 8/16 according to DIN 

4226-1). 

2. 3/3 

– Excavated soil or sand is not 

suitable in most cases. 

1. 1/3 

– Topsoil, clay and other cohesive soil 

is not suitable as filling material. 

Transport covers on the container, if any, 

must be removed and disposed of in an environmentally friendly way. 

4. Technical assembly 

4.1. Connection of pipes 

4.1.1. Connection of containers 

Two or more containers are connected via the moulded assembly surfaces at the bottom of the 

container using connecting pieces and KG pipes to be welded. Make sure that the distance between 

the containers is min. 1,000 mm for installation in longitudinal direction and 1,300 mm for installation 

beside each other. 

The required connections of the two containers are prepared at the factory. 

The PVC-KG DN 100 connections for sludge recirculation between the containers must be 

connected with each other. The KG pipes must protrude into the container by min. 20 cm. 

4.1.2. Inlet and outlet 

Inlet and outlet pipes (PVC-KG DN 100) must be connected according to the drawing. All inlet and 

outlet pipes must be laid with an incline of at least 1% (subsequent laying of pipes must be taken into 

account). The pipes are connected to the pre-drilled holes at the dome shaft or at the containers. 



4.1.3. Empty conduit 

An empty DN 100 conduit with internal 

taut wire must be laid with an inclination 

from the place where the equipment 

cabinet is installed to the SBR container. 

The empty conduit must be laid as 

straight as possible. Required pipe 

elbows must be made with shaped pieces 

with a maximum angle of 30°. The 

absolute maximum length of the empty 

conduit is 20 m. Please contact us in the 

case of larger distances. 

The empty conduit must be sealed 

gas-tight at the control cabinet before 

completing the assembly work (see 

chapter 4.3)! 

>1% 

>1% 

>1% 

The following must be observed for the laying of the pipes: 

In areas 10 cm + 0.1 x DN below the pipe bottom of the pipe, the filled in material must be levelled 

out, while maintaining the indicated pipe inclination. A sand bed must be put in place on the 

prepared ground, and the pipes must be embedded in the sand such that a support angle of at least 

90° is formed. The pipes must be precisely fixed in position, and then approx. 30 cm of sand must be 

filled in. Laying, filling and compressing must be carried out in compliance with the laying instructions 

for PVC duct pipes. 

4.1.4. Forced ventilation 

According to DIN 4261-1, all chambers / containers must be ventilated. If 

necessary, additional ventilation pipes or ventilation openings must be 

provided. The ventilation pipes must be arranged in such a fashion that natural 

ventilation is possible (chimney effect). For this purpose, the supply line can be 

laid via the roof, or a DN 100 PVC KG pipe may be connected to a free 

opening at the dome shaft and laid with an inclination to the place of 

ventilation. 



4.2. Assembly of the telescopic dome shaft 

4.2.1. Assembly of the tank dome 

Prior to the actual assembly, the supplied seal is inserted into the sealing groove of tank neck "B" 

between the tank and tank dome; then the tank dome is aligned with the pipes and engaged with 

catch on the tank. After engaging the catch, no further rotation is possible. Please pay attention to 

the correct positioning of the upper seal "A". 

4.2.2. Assembly of the telescopic dome shaft 

The telescopic dome shaft allows for the continuously 

variable adjustment of the container to a given ground 

level of between 750 mm and 950 mm (mini telescopic 

dome shaft) and 750mm and 1,050 mm (maxi 

telescopic dome shaft). 

In order to assemble, the supplied profile seal (EPDM 

material) is inserted into the sealing groove of the tank 

dome, and a generous amount of soft soap is applied 

(do not use lubricants on mineral oil basis because 

these would corrode the seal). The telescope is then 

also lubricated, inserted and aligned to the ground level. 

4.2.3. Accessible telescopic dome shaft 

Important: In order to prevent the transfer of loads to 

the container, the telescope is filled with layers of 

round grain gravel (max. grain size 8/16) and evenly 

compressed. Make sure not to damage the container 

tank dome and the telescope when doing so. Then 

the cover is applied and locked so as to be childproof, 

i.e. the screw connection at the cover must be 

tightened until it cannot be opened by a child! 



4.2.4. Telescopic dome shaft which can be driven on with a car 

If the container is installed beneath areas which are 

driven on by cars, the telescope (anthracite colour) 

must be lined with concrete (load class B25 = 250 

kg/m²) in the neck section. The concrete layer to be 

filled in must have a circumferential width of min. 300 

mm and a height of approx. 200 mm. The min. 

coverage over the tank shoulder is 800 mm (max. 1,050 

mm with telescope, coverage of up to max. 120 mm 

with an intermediate piece is possible). 

Attention: Please always use the cast iron cover. 

4.2.5. Telescopic dome shaft made of concrete and cast iron 

For installations beneath areas driven on by 12 t 

lorries, the telescope is lined as described in chapter 

6.2. Then, the concrete rings (Ø 600 mm) and a cast 

iron frame with star-like load distribution are installed 

to support the cast iron cover (soil coverage of min. 

800 mm, max. 1,200 mm must be adhered with). The 

cast iron frame must have a supporting surface of 

approx. 1m². 

4.2.6. Assembly of the intermediate piece 

Intermediate pieces which are required for major soil covers 

must be inserted into the tank dome using soft soap. The profile 

seal must be inserted into the top groove of the intermediate 

piece and well lubricated. Then the telescopic dome shaft must 

be inserted and adjusted to the planned ground surface of the 

surrounding area. 

1 intermediate piece = max. soil coverage of 1,200 mm 

(each in connection with the maxi telescopic dome shaft) 

Telescopic dome shaft (can be tilted by 5°) 

Intermediate piece 

Tank dome (can be rotated by 360°) 



4.3. Air hoses 

Four air hoses are required for the connection between the SBR container and machine cabinet. In 

order to avoid any possible mixing up of the hoses when connecting them up, they are supplied in 

different colours – corresponding to the coloured coding of the lifter in the container. 

Valve Colour Part Internal diameter of the hose 

1 Black Outlet lifter 13 mm (19 mm from 40 EW) 

2 Blue Ventilation 19 mm 

3 White Excess sludge lifter 13 mm (19 mm from 40 EW) 

4 Red Charging lifter 13 mm (19 mm from 40 EW) 

The distance between container and control cabinet should not exceed 20m. Please contact us in 

the case of larger distances. 

A bag with hose clips is present at the downpipe of the ventilation system. They must be used to 

connect the continuing air hoses to the corresponding grommets of the pre-mounted hoses at the 

access opening of the SBR container. 

The red hose which is pre-mounted to the charging lifter must be laid through the return pipe from 

the sludge reservoir to the access opening of the SBR reactor. 

Finally, the four air hoses must be drawn through the empty conduit using a taut wire. Please make 

sure not to bend the air hoses. 

Charging 

air-lifter 

Pipe lead 

red hose 

Extrasludge 

Membrane disc 

Discharging 

air-lifter 

Inlet 

DN 100 

Outlet 

DN 100 

Red 

hose 

(Charging air-lifter) 

White 

hose 

(Extra-sludge 

air-lifter) 

Connected to 

manhole 

( Empty tube DN 100) 

Blue 

hose 

(Membrane 

disc) 

Black 

hose 

(Discharging 

air-lifter) 

Illustration 1: 

After the laying and connection of the hoses, the empty conduit must be sealed with a wall 

duct, or PU foam if no KLARO wall duct is used, in order that no gas exchange through this 

pipe is possible (ex protection, humidity, odours!). 

In order to obtain a gas-tight sealing of the empty conduit, the following procedure for the 

sealing of the empty conduit must be adhered with: 

• Hose surface and pipe walls must be roughly cleaned with water and slightly wetted with 

water before foaming. 

• When applying PU foam, make sure that each hose is covered from all sides. 

• In order to allow for easy foam application and the correct casing of the hoses, they must 

be slightly moved in longitudinal direction when applying the PU foam. 

4.4. Filling with water 

After having connected the air hoses, the containers must be filled with fresh water. The filling level 

in all chambers must be between the minimum water level (min. WL) and maximum water level 

(max. WL) see Illustration 2: 



Sludge store / buffer 

4 air hoses in empty 

tube DN 100 to 

switch cabinet with a 

fall to the tank 

Sequence batch reactor 

Charging 

air-lifter 

Pipe lead 

red hose 

Discharging 

air-lifter 

Extra-sludge 

air-lifter 


5. Assembly of the control cabinet 

5.1. Installation in interior zones 

The interior control cabinet (see Illustration 3: 

Internal cabinet LxWxD = 50 x 50 x 30 cm) is 

equipped with 4 suspension attachments. The 

two upper attachments have special 

boreholes to allow for easy suspension. The 

required screws and dowels are provided in 

the accessory box. The cabinet must be 

mounted at a dry and cool place with 

adequate fresh air supply. 

The connecting pieces for the air hoses to the 

pit are provided at the left side of the cabinet. 

Three of these pieces must be connected with 

the compressed air lifters and the other piece 

must be connected with the downpipe of the 

ventilation. The highly thermally and 

mechanically resistant air hoses can be 

ordered at KLARO in every required length. 


Internal cabinet LxWxD = 50 x 50 x 30 cm 



5.2. Installation in exterior zones 

5.2.1. Location 

The location of the exterior cabinet must be a cool place 

with no direct solar radiation onto the cabinet during the 

summer months. The best locations are the east or north 

sides of buildings. The rear side of the outer column and 

the sides of the outer plastic cabinet must be installed with 

a clearance of at least 10 cm to allow for the easy 

replacement of the filter mat at the ventilation grids and for 

adequate air circulation. The absolute maximum length of 

the air hoses is 20 meters. 

5.2.2. Electricity supply 

A top hat rail socket / junction box is provided in the control 

cabinet for electricity supply. The cable used for the 

electricity supply is laid via the base into the cabinet where 

it is connected. 

5.2.3. Assembly and installation 

The plastic column (Illustration 4: Outer plastic column) 

must be inserted in the soil up to the marking which is 

applied to the front side of the cabinet. To do this, a 

sufficiently deep excavation must be provided where the 

empty conduit with air hoses must be inserted. 

The foundation base of the outer cabinet (Illustration 5: 

Outer plastic cabinet) must be assembled according to the 

provided assembly instructions. Then the base must be 

inserted in the excavation to a depth of approx. 64 cm. 

For both outer cabinet types, the remaining empty space in 

the base must be filled with sand or fine gravel to ensure 

the safe, solid and vertical position of the column / cabinet 

in the soil. 

5.3. Connection of air hoses 

Illustration 4: Outer plastic column 

Entrenchdeep max 639 mm 

The ventilation system and all three compressed air lifters 

must be connected to the magnetic valve bank in the 

control cabinet. The lifters require hoses with an internal 

diameter of 13 mm (19 mm from 40 EW), and for the 

ventilation system, a 19 mm hose is required. Make sure 

that the hoses are connected to the corresponding 

grommets. In order to avoid confusion, the lifters and the 

downpipe of the ventilation system in the container as well Illustration 5: Outer plastic cabinet 

as all four grommets have coloured markings applied to 

the control cabinet. 

As a rule, terminals with the same colour must be connected to each other and fixated with hose 

fittings. Hoses in the corresponding colours can be supplied. 

Charging lifter red 

Ventilation blue 

Outlet lifter black 

Excess sludge lifter white 



1 Control 

2 Valve bank with 4 magnetic valves 

3 Air compressor 

4 Cabinet ventilation 

5 Phosphate precipitant pump (optional) 

6 UV connection (optional) 

7 GSM modem / LAN adapter (optional) 

Illustration 6: Lateral view on the interior control cabinet with four hose 

connections 

1 Maintenance switch 

2 Control 

3 Valve bank with 4 magnetic 

valves 

4 Air compressor 

5 Ventilation opening (cabinet 

ventilation for Becker 

compressor type) 

6 Socket / connecting box 

7 Phosphate precipitant pump 

(optional) 

8 Modem (optional) 

9 Socket (optional) 

Illustration 7: Interior view of A column 

Illustration 8: Interior view of A cabinet 

After the laying and connection of the hoses, the empty conduit must be sealed with a wall 

duct, or PU foam if no KLARO wall duct is used, in order that no gas exchange through this 

pipe is possible (ex protection, humidity, odours!). 

DN 100 empty conduit cover 

order no. 901418 

PU foam 

order no. 981875 

In order to obtain a gas-tight sealing of the empty conduit, the following procedure for the 

sealing of the empty conduit must be adhered with: 



• Hose surface and pipe walls must be roughly cleaned with water and slightly wetted with 

water before foaming. 

• When applying PU foam, make sure that each hose is covered from all sides. 

• In order to allow for easy foam application and the correct casing of the hoses, they must be 

slightly moved in longitudinal direction when applying PU foam. 

6. Commissioning 

The installation instructions for the containers and the description in the operating manual must be 

adhered with when commissioning. 

The maintenance switch must be turned to "I". The series number and version number of the 

program are displayed on the control for a few seconds before it switches to automatic mode. Then 

the warning message "Set date and time!" occurs. This message can be acknowledged by pressing 

the ESC key twice. If a second warning message "Temp. max" appears, you must check whether the 

temperature sensor at the rear side of the device is correctly plugged in. Then the current operating 

mode of the system is displayed on the liquid crystal display. For the correct storage of operating 

hours and event messages, date and time must be set with the appropriate menu item. The system 

initially runs in the "cycle break" until the first cycle starting time has been reached. 

These are the cycle starting times preset in the factory: 

1:30 am; 7:30 am; 1:30 pm; 7:30 pm 

The correct function of the ventilation device as well as the lifter must be checked in manual mode. 

The appropriate procedure is described in detail in the system manual which is available in the 

equipment cabinet. Bubble formation during ventilation must be even and complete. The 

compressed air lifters only work if the container is adequately filled with water. 

7. Return of the commissioning report 

The commissioning report must be completely filled in. 

- The original copy of the commissioning report must be archived in the files of the operator. 

- The first copy must be returned to the following address: 

KLARO GmbH, Mrs Menn, Spitzwegstrasse 63, 95447 Bayreuth 

- The second copy is for the company installing the system. 

Attention: Warranty claims can only be processed if the commissioning report has been supplied to 

KLARO GmbH. 

Appendix: 

- Commissioning report 


Spitzwegstrasse 63 


Phone: 0921-16279-0 

Fax: 0921-16279-100 

info@klaro.eu 

www.klaro.eu 

Status 02 / 2013 

Subject to technical changes. 


The KLARO principle 

Maximum operating reliability! 

No mechanics, pumps or 

electrical parts in the wastewater! 

All components are permanently connected to the filtering tank. All transportation 

processes are performed by the air-lift pump. All electrical parts are located securely 

outside the tank in the switch cabinet. 

Our benefits 

•• 

TÜV-tested switch cabinets (EPP, 

indoor switch cabinet, outdoor 

switch cabinet) 

•• 

Almost all possible approvals 

•• 

Extremely short delivery times 

thanks to optimised production 

•• 

Legal threshold values undercut 

by up to 90% 

•• 

98% treatment performance in 6 

hours 

•• 

Certified underload detection 

•• 

Fully-biological mode of operation 

•• 

Quality products, with extremely 

high customer satisfaction levels 

•• 

Minimal power consumption 

•• 

All transportation processes performed 

by air-lift pump 

•• 

Treat water and introduce it back 

into the natural cycle 

•• 

Only one tank required for systems 

of up to 20 PE (Personnel 

Equivalent) 

•• 

Suitable for retrofitting to practically 

any tank shape 

•• 

Retrofitting possible in single, 

twin, triple and multi-chamber pits 

•• 

Installation possible in any type of 

tank, from plastic to fibreglass to 

concrete


Spitzwegstraße 63 


Telephone: +49 (0) 921 16279-0 

Fax: +49 (0) 921 16279-100 

E-Mail: info@klaro.eu 

More information at 

www.klaro.eu 

Technical hotline 

+49 (0) 921 16279-330 

Photo copyright: KLARO GmbH 

© KLARO GmbH Bayreuth 2013 / Art.-No. KKA 0031E-02-2013-engl

Instructions for the assembly and installation - KLARO GmbH

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