Grunbeck GENO-OSMO RO 125K Operation Manual

Reverse Osmosis System

GENO

®

-OSMO RO 125K

,

Operation Manual

Reverse Osmosis System

GENO

®

-OSMO RO 125K

Edition March 2014
Order no. 195 752 940 - inter

GrünbeckWasseraufbereitung GmbH

Josef-Grünbeck-Strasse 1
89420 Hoechstaedt/Danube · GERMANY
Phone [phone] · Fax [phone]
www.gruenbeck.com · [e-mail]

A company certified by TÜV SÜD

in accordance with DIN EN ISO 9001, DIN
EN ISO 14001, DIN EN ISO 13485 and SCC

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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2

Table of contents



This operation manual consists of several parts as shown in the table
below.

A General

5

1 Preface

2 Warranty
3 How to use this manual
4 General safety information
5 Shipping and storage
6 Disposal of used parts and materials

B Basic information 9

1 Laws, guidelines, standards

2 Water
3 Functional principle of reverse osmosis

C Product description 11

1 Type designation plate

2 Functional description
3 Designated application
4 Application limits
5 Scope of supply

D Installation 22

1 General installation instructions

2 Preliminary works
3 System connection on water side

E Start-up 28

1 System rinsing

F Operation 32

1 Preface

2 How to operate the control unit

3 Programming levels

4 How to operate the reverse osmosis

G Troubleshooting

41

H Maintenance and care

43

1 Basic information

2 Inspection (functional check)
3 Maintenance
4 Operation log (checklist for maintenance work)

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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3

Publisher’s information

All rights reserved.
 Copyright by Grünbeck Wasseraufbereitung GmbH

Printed in Germany
Effective with the date shown on the cover sheet.
– We reserve the right to modification, especially with regard to technical
progress -

Reprints, translations into foreign languages, electronic storage or copying
only with written approval of Grünbeck Wasseraufbereitung GmbH.

Any type of duplication not authorised by Grünbeck Wasseraufberei­tung is a copyright violation and subject to legal action.

Responsible for contents:
Grünbeck Wasseraufbereitung GmbH

Josef-Grünbeck-Strasse 1  89420 Hoechstaedt/Germany
Phone [phone]  Fax [phone]
www.gruenbeck.de  [e-mail]

Printed by: Grünbeck Wasseraufbereitung GmbH
Josef-Grünbeck-Strasse 1, 89420 Hoechstaedt/Germany

Reverse Osmosis System

GENO

®

-OSMO RO 125K

Order no. 195 752 940-inter Edited by: KONS-phar-mrie G:\BA-752940-INTER_RO_125K.DOC

4

EC Declaration of Conformity

This is to certify that the system designated below meets the safety and health requirements of the
applicable European guidelines in terms of its design, construction and execution.

If the system is modified in a way not approved by us, this certificate is void.

Manufacturer: Grünbeck Wasseraufbereitung GmbH

Josef-Grünbeck-Strasse 1

89420 Hoechstaedt/Germany
Responsible for documentation: Markus Pöpperl
System designation: Reverse osmosis system GENO®-OSMO RO 125K
System type: TL; TS
System number: Refer to type designation plate
Applicable EC guidelines: EC Machine Guideline (2006/42/EC)

EC Guideline EMV (89/336/ECC version 92/31/ECC)
Applied harmonized standards, in

particular:

DIN EN ISO 12100 - 1, DIN EN ISO 12100 - 2

DIN EN 61000-6-2, DIN EN 61000-6-3,

9

th

Guideline on Device and Product Safety
(Machine Guideline – 9. GPSGV)
1st Guideline on Device and Product Safety
(Ordinance on the Marketing of Electrical Operating Materials
to be used within specific voltage limits – 1. GPSGV)

Applied national standards and
technical specifications,
in particular:

DIN 1988

DIN 31000/VDE 1000 (03.79)

Date/Signature of
manufacturer:

12.08.11 i. V.
M. Pöpperl

Dipl. Ing. (FH)

Function of signatory: Head of Engineering Department for Serial Products

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-OSMO RO 125K

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A General

1 Preface

Thank you for opting for a Grünbeck product. Backed by decades of
experience in the area of water treatment, we provide solutions for all
kind of processes.

Drinking water is classified as food and requires particular care. Therefore,
always ensure the required hygiene in operating and maintaining systems
for drinking water treatment. This also applies to the treatment of water
for industrial or domestic use if repercussions for the drinking water cannot
completely be excluded.

All Grünbeck systems and devices are made of high-quality materials.
This ensures reliable operation over many years, provided you treat the
systems with the required care. This operation manual assists you with
important information. Therefore, read the complete manual before
installing, operating or maintaining your system.

Customer satisfaction is our prime objective and providing customers
with qualified advice is crucial. If you have any questions concerning this
system, possible extensions or general water and waste water treat­ment, our customer service staffs, as well as the experts at our head­quarters in Hoechstaedt, are available to help you.

Advice and assistance

For advice and assistance please contact your local representative (refer
to www.gruenbeck.com ) or get in touch with our service centre which
can be reached during office hours:

Tel.: [phone]
Fax: [phone]
Email: [e-mail]

We can connect you with the appropriate expert more quickly if you
provide the required system data. In order to have this data handy at all
times, please copy it from the type designation plate to the overview on
page C-11.

Reverse Osmosis System

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®

-OSMO RO 125K

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2 Warranty

All devices and systems supplied by Grünbeck Wasseraufbereitung
GmbH are manufactured according to the most recent technical stand­ards and subjected to a comprehensive quality assurance system. All
warranty claims are subject to our General Terms and Conditions:

Terms and Conditions of Sale and Delivery (excerpt)

. . . . . . . .

11. Warranty
a) If goods and services are supplied which are obviously

defective, the Customer must report such defects
within 8 (eight) days after receipt of such goods and
services in order to maintain the liability claims.

b) If the defect is of such a nature that only a spare part

needs to be replaced, Grünbeck shall have the right to
request the Purchaser to replace the new part deliv­ered by us if the costs for sending a technician to the
Purchaser's site are unreasonably high.

c) The warranty periods are:

- two years: for devices for private use (natural per­sons)

- one year: for devices for industrial or commercial
use (companies)

- two years: for all DVGW-certified devices, also for
industrial or commercial use within the framework
of the liability agreement with the ZVSHK.

after delivery/acceptance. This excludes electrical parts

and parts which are subject to wear and tear. The
warranty period shall only apply if the operating in­structions are observed meticulously, if the device is
mounted, commissioned, operated and maintained
properly, and/or if a maintenance contract is made
within six months. If these requirements are not met,
the warranty shall be void. The warranty shall be void
if the purchaser uses dosing agents or chemicals sup­plied by other manufacturers and if the quality and
composition of such dosing agents or chemicals is be­yond Grünbeck's control.

Grünbeck shall not be liable for defects or damage

resulting from inept handling or operation.

d) Grünbeck shall only be liable if the Customer performs

the maintenance work as stated in the operating in­structions or has the maintenance work performed in
such a way and if the Customer uses spare parts sup­plied or recommended by Grünbeck.

e) Grünbeck shall not be liable for damage resulting from

frost, water or electrical over-voltage or from parts
which are subject to wear and tear. This applies in par­ticular to electrical parts.

f) The claims of the Purchaser are limited to repair or

replacement, as the case may be, at the discretion of
Grünbeck. Grünbeck shall have the right to several at­tempts to repair. If Grünbeck fails to repair or re-place
the defective delivery within a reasonable time, the
customer shall have the right to either cancel the con­tract or demand an appropriate reduction of the pur­chase price.

g) In case of complaints with regard to systems that are

not installed in Germany, the warranty claim will be
settled by the local technical customer service author­ised by Grünbeck. If no technical customer service is
designated in the specific country, the assignment of
Grünbeck’s technical customer service shall end at the
German border. All additional cost, apart from the ma­terial required, shall be borne by the customer.

. . . . . . . .

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®

-OSMO RO 125K

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3 How to use this operation manual

This operation manual is intended for the operators of our systems. It is
divided into several chapters (a letter is assigned to each of them) which
are listed in the Table of Contents on page 2 in alphabetical order. In
order to find the specific information you are looking for, check for the
corresponding chapter on page 2.

The headers and page numbers with chapter information make it easier
to find your way around in the manual.

4 General safety information

4.1 Symbols and
notes

Important notes in this operation manual are characterised by symbols.
Please pay particular attention to these notes in order to ensure a dan­ger-free, safe and productive system operation.

Danger! Failure to adhere to these notes will cause serious or life­threatening injury, extreme damage to property or inadmissible con­tamination of drinking water.

Warning! Failure to adhere to these notes may cause injury, damage to
property or contamination of the drinking water.

Attention! Failure to adhere to these notes may result in damage to
the system or other objects.



Note: This symbol characterises notes and tips to make your work easi­er.

Tasks with this symbol may only be performed by Grünbeck's technical
service or by persons expressly authorised by Grünbeck.

Tasks with this symbol may only be performed by qualified electrical
experts according to the VDE guidelines or according to the guidelines
of a similar local institution.

Tasks with this symbol may only be performed by water companies or
approved installation companies. In Germany, the installation company
must be registered in a water company installation directory as per

§12(2) AVBWasserV (German Ordinance on General Conditions for the
Supply of Water).

4.2 Operating
personnel

Only persons who have read and understood this operation manual are
permitted to work with the system. The safety guidelines are to be
strictly adhered to.

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®

-OSMO RO 125K

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4.3 Designated
application

The system may only be used for the purpose outlined in the product
description (chapter C). The guidelines in this operation manual as well
as the applicable local guidelines concerning the drinking water protec­tion, accident prevention and occupational safety must be adhered to.
In addition, appropriate application also implies that the system may
only be operated when it is in proper working order. Any malfunctions
must be repaired at once.

4.4 Protection from water damage

Warning!

In order to properly protect the installation site from water damage:

a) a sufficient floor drain system must be available or
b) a safety device (see chapter C Optional equipment) must be in-

stalled.

4.5 Indication of
specific dangers

Danger due to electricity!  Do not touch electrical parts with wet
hands! Disconnect the system from mains before starting work on elec­trical parts of the system. Have qualified experts replace damaged cables
immediately.

Danger due to mechanical energy! System parts may be subject to
overpressure. Danger of injury and damage to property due to escaping

water and unexpected movement of system parts.  Check pressure
pipes regularly. Depressurise the system before starting repair or
maintenance work on the system.

Hazardous to health due to contaminated drinking water!  The sys­tem may only be installed by a qualified company. The operation manu­al must be strictly adhered to! Ensure that there is sufficient flow. The
pertinent guidelines must be followed for starting-up after long periods
of standstill. Inspections and maintenance must be performed at the
intervals specified!



Note: By concluding a maintenance contract, you ensure that all of the
required tasks are performed on time. You may perform the interim in­spections yourself.

5 Shipping and storage

Attention! The system may be damaged by frost or high temperatures.

In order to avoid damage of this kind:
Protect from frost during transportation and storage! Do not install or
store system next to objects which radiate a lot of heat.

6 Disposal of used parts and materials

Used parts and materials are to be disposed of, or made available for
recycling purposes, according to the applicable local guidelines.
If a material is subject to specific regulations, adhere to the notes indi­cated on the packing.
If in doubt, contact your local waste disposal authority or the manufac­turer for more information.

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®

-OSMO RO 125K

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B Basic information (reverse osmosis system)

1 Laws, guidelines, standards

In the interest of good health, rules cannot be ignored when it comes to
the processing of drinking water. This operation manual takes the appli­cable German guidelines into account and provides all the information
you need to safely operate your water treatment system.

Among other things, the regulations stipulate

 that only approved companies are permitted to make major modifica-

tions to water supply systems.

 and that tests, inspections and maintenance on installed devices are

to be performed at regular intervals.

2 Water

In nature, chemically pure water does not exist. Rain water already takes
up various substances from the air which change the properties of the
water to a larger or lesser extent. This process continues while the water
flows through the ground layers and takes up increasing amounts of
substances. In this context, carbon dioxide (CO2) is of major importance
as this substance further increases the dissolving power of the water.
Consequently, the concentrations of dissolved sodium, potassium, calci­um, magnesium, iron, manganese, copper, zinc, chlorides, fluorides, sul­phates but also nitrates, nitrites, phosphates and silicates contained in
the drinking water differ regionally.

For many decades, the ground water has been polluted with substances
originating from agricultural, industrial and other sources. As these pollu­tants can only be degraded over long periods of time, increasingly sophisti­cated technologies are required to remove high salt concentrations, hydro­carbons, nitrates, pesticides, heavy metals, etc.

The water works supply clean drinking water that is suitable for con­sumption. However, if the water is to be used for technical purposes,
further treatment is frequently required.

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®

-OSMO RO 125K

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3 Functional principle of reverse osmosis

Principle:

Pre-treated feed
water

Fig. B-1: Functional principle

Concentrate:

Permeate

High concen-

tration solution

Low concentration

solution

High concen-

tration solution

Low concentration

solution

High concen-

tration solution

(concentrate)

Low concentration

solution

(permeate)

Fig. B-2: Principle of reverse osmosis

In the osmosis process, watery solutions of different concentrations are
separated by means of a semi-permeable membrane. In keeping with the
law of nature, the concentrations try to equalize. On the side of the higher
original concentration, the so-called “osmotic” pressure is generated. In
the case of reverse osmosis, this osmotic pressure is countered by a higher
pressure. The consequence: The process proceeds in the reverse direction.
A particular advantage of the reverse osmosis technology compared to
other water treatment procedures is the fact that in addition to the remov­al of dissolved salts, also bacteria, germs, particles and other dissolved or­ganic matter are reduced.

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®

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C Product description (GENO®-OSMO RO 125K)

1 Type designation plate

The type designation plate is located at the housing of the reverse os-

mosis system GENO®-OSMO RO 125K. Please specify the data shown on
the type designation plate in order to be able to faster proceed your
inquiries or orders. Simply copy the information from the type designa­tion plate to the form below so that all the required information is avail­able when needed.

Reverse osmosis system GENO®-OSMO RO 125K
125K-   Serial no.:      / 
Order no.:      

Fig. C-1: Type designation plate

2 Functional description

Downstream of the fine filter 5 μm, the pre-treated feed water is guided
to the valve control unit. A high-pressure pump then brings the feed
water to the pressure required for the osmotic membrane to begin func­tioning. The RO membrane separates the water into the partial streams
of permeate and concentrate. The permeate water is directed to a UV­insensitive reservoir made of PE. The concentrate partial stream is re-fed
to the membrane by means of a circulation line via the high-pressure
pump and thus increases the recovery and the economic efficiency of
the reverse osmosis system GENO

®

-OSMO RO 125K and ensures an
even flow off on the membrane. A small part of the concentrate, con­taining the water soilage retained by the membrane, is run into the
sewage system.

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®

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2.1 System components

Fig. C-2: Components of reverse osmosis system GENO

®

-OSMO 125K-TS

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®

-OSMO RO 125K

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1

5 μm fine filter
incl. pressure reducer

Pressure reducer is preset to 2.5 bar, incl. pressure gauge.

2

Inlet solenoid valve

During the production of permeate, this valve is always open. When the
system stops (tank full), the valve remains open for the set membrane

rinsing time. Visual indication in control electronics

10

.

3

Pressure switch
High pressure pump

To prevent the high pressure pump from running dry. It switches time-delayed after
the solenoid valve

2

has opened. Visual indication in control electronics10.

4

Rinsing solenoid valve

This valve opens for a set period of time after the level control

8

in the
tank signals "FULL" to the control electronics. The valve also opens in
case of malfunctions and always in connection with the inlet solenoid

valve

2

.

5

Needle valve
Concentrate

To set the feed water dependent volume flow of “concentrate” to the
drain. During permeate production, this amount of water is always dis­charged to the drain.

6

High pressure pump Pump aggregate that generates the operating pressure required for the mem-

brane. Pump starts operation upon permeate demand by the level control

8

(LB

switches) in the permeate tank. A control valve to set the operating pressure is
integrated in the pump head. Visual indication in control electronics

10

.

7

Membrane Reverse osmosis membrane for the production of permeate.

8

Level control Float level control for regulating the water level in the permeate supply tank

(only TS version).

9

Pressure booster pump Pressure booster pump with integrated pressure switch. Delivers permeate

to the consumer network (only TS version).

10

Control electronics The microprocessor controller and the corresponding aggregates regulate

the permeate production and the supply of the downstream consumers.

11

Flow sensor
Concentrate

Measures the concentrate volume and supplies the control electronics with
pulses. Visual indication of the concentrate volume in the control electron-

ics

10

.

12

Flow sensor
Permeate

Measures the permeate volume and supplies the control electronics with
pulses. Visual indication of the permeate volume in the control electron-

ics

10

.

13

Membrane expansion
vessel

Permeate buffer to reduce the switching cycles of the pressure booster
pump

14

Pressure switch
Pressure booster pump

Switches the pressure booster on when water is withdrawn and off after
water withdrawal has been completed.

15

Connection ½“ (DN 15) MT Concentrate to drain

16

Connection ½“ (DN 15) MT Feed water

17

Connection ½“ (DN 15) MT Permeate/consumer

18

Option: Solenoid valve for forced withdrawal

19

Option: Conductivity measurement

20

Option: Blending device

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2.2 Flow chart of reverse osmosis system GENO®-OSMO-RO 125k

Fig. C-2.1: Flow chart of reverse osmosis GENO

®

-OSMO RO 125K-TS (for corresponding legend, please refer to previous page)

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®

-OSMO RO 125K

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Table C-1: Technical specifications Reverse osmosis system GENO®-OSMO RO

125K-TS 125K-TL

Connection data

Nominal connection diameter for feed water inlet

½“ (DN 15) male thread

Nominal connection diameter for permeate outlet

½“ (DN 15) male thread

Nominal connection diameter for concentrate outlet

½“ (DN 15) male thread

Required drain connection min.

[DN] 50

Connected electrical load approx.

[kW] 0.85 0.50

Power supply, approx.

[V/Hz] 230 V / 50 Hz

Protection

IP 54

Performance data

Permeate volume at feed water temperature of
10° C / 15 °C

[l/h] 105/125

Electrical pump capacity at operating pressure

[kW] 0.37

Daily permeate volume (max. 24 h) approx. min./max.

[m³/d] 2.5/3.0

Inlet flow pressure of feed water, min.

[bar] 2.5

Permeate supply, approx.

[l] 38 -

Hydraulic capacity pressure booster max.

[l/h/bar] 900/3.8 -

Pump capacity curve – pressure booster [l/h/bar] 170/4.0 – 250/3.7 ­Nominal pressure

PN 16

Salt retention

95-99%

Total salt concentration in feed water, as NaCl max.

[ppm] 500

Concentrate volume flow, min./max. (at 15 °C)

[l/h] 40/125

Feed water volume flow (fresh water at 15 °C)
at a recovery of 75 %, max.

[l/h] 160

Recovery min./max.

[%] 50-75 (adjustable)

Dimensions and weights

Dimensions w x d x h [mm] 450 x 430 x 1120
Empty weight, approx. [kg] 37 30
Operating weight, approx. [kg] 75 30

Ambient data

Feed water temperature min./max. [°C] 10/30
Ambient temperature, min./max. [°C] 5/35

Order no. 752 100 752 110

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®

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3 Designated application

The reverse osmosis system GENO®-OSMO RO 125 K is designed to de-

mineralise feed water. The water is primarily used for industrial applica­tions.

The system may only be used after a prior water analysis and an appro­priate pre-treatment of the water have been performed.

The continuous permeate capacity of the system depends on the tem­perature. It was defined at a temperature of 15°C. In case of an increas­ing resp. decreasing feed water temperature, the permeate output may
decrease (decreasing temperature) or increase (increasing temperature)
by up to 3 % per °C.

The system is adapted to the permeate requirements to be expected at
the installation site. It is not suitable for strongly deviating output.

The system may only be operated if all components are installed proper­ly. You MUST NOT remove bridge or in any other way tamper with safe­ty devices.

The designated application of the system also implies that the infor­mation contained in this manual and all safety guidelines applying at the
installation site be observed. Finally, the system must be maintained and
inspected at the specified intervals.

4 Application limits

The upper limit values concerning substances in the water as stipulated

by the German Drinking Water Ordinance constitute the application lim­its for the reverse osmosis system GENO®-OSMO RO 125 K.

 < 22°dH (39,2° f; 3,96 mmol/l) without water analysis
 Free chlorine, unverifiable)
 Iron < 0.2 mg/l
 Manganese < 0.05 mg/l
 Silicic acid < 15 mg/l
 Chlorine dioxide, unverifiable
 Turbidity < 1 TE/F
 Silt density index < 3
 pH range 3 - 9



Note: The permeate produced by the reverse osmosis system is no
drinking water. If it is to be used as drinking water, additional treatment
is required (blending, hardening).

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®

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5 Scope of delivery

5.1 Standard
equipment

 Free-standing casing made of photo-resistant PE for the integration of

all aggregates and control elements. The casing also serves as supply
tank (only in case of GENO®-OSMO RO 125 K-TS).

 Microprocessor controller with LC display, volt.-free collective fault

signal and volt.-free signal contact (maintenance intervals, various
pre-alarms), integrated in the free-standing casing.

 Sliding vane rotary pump made of corrosion-resistant brass with mo-

tor as high pressure pump to supply the membrane, incl. control valve
for operating pressure and pressure gauge.



1)

External pressure booster pump with integrated pressure switch and
membrane connection tank for permeate supply of consumers down­stream

 Hydro distribution block for the water supply within the membrane

system. Integrated valves and measuring instruments for an easier sys­tem adjustment.
The hydro module features a 5 μm fine filter with integrated pressure
reducer that is preset to 2.5 bar

 Ultra-low pressure reverse osmosis membrane, installed in a pressure

pipe made of high-duty PE

 Flow sensor for measuring the volumes of the permeate and concen-

trate flows

 Operation manual

1)

only in case of GENO®-OSMO RO 125 K-TS

5.2 Optional equipment



Note: It is possible to retrofit existing systems with optional compo­nents. Please contact your local Grünbeck representative or Grünbeck’s
headquarters for details.



Connection block for GENO

®

-OSMO-RO 125K

Connection block (installation length 190 mm).
Permeate-resistant, incl. two shut-off valves -
suitable for connection set

752 840

 Connection set for GENO

®

-OSMO 125K

2 flexible connection hoses DN 15

(l = 600 mm) for feed water and permeate

1 drain hose for concentrate

752 830

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®

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 Conductivity meter for

GENO®-OSMO RO 125K

As plug-on circuit board for the control elec-

tronics. Indication at the display with limit value

and delay incl. connection line and conductivity

measuring cell, installed in combi-cap pressure

pipe.

752 820

 Solenoid valve forced withdrawal for

RO 125K

Solenoid valve adaptable to permeate outlet of

hydro module for forced withdrawal from the

tank of the GENO

®

-OSMO RO 125K in case of
longer periods of standstill. Electrically triggered
by the control electronics of the GENO

®

-OSMO

RO 125K.

752 810

 Blending unit for GENO

®

-MSR system 200

Control unit adaptable to hydraulic unit GENO®­OSMO RO 125K consisting of:
Connection G ¾ for feed water, solenoid valve;
needle valve, flow sensor to display the total
blended water in the control electronics GENO®­OSMO RO 125K, connection available for
blended water in GENO®-OSMO RO 125K
and/or tank (provided by others)

752 800

 Fine filter BOXER

®

K 1”

80 μm cartridge fine filter for pre-filtration

101 210

 Euro system separator GENO

®

-DK 2 Mini

To protect the water supply system from instal­lations and systems endangering the drinking
water, as per DIN 1988 part 4 (DIN EN 1717)
GENO®-DK 2 Mini.

133 100

 Water softener Weichwassermeister

GSX 10 I in industrial design

Twin softening unit for alternating operation,
with connection block and flexible connection
hoses.

187 350

 GENO

®

-softwatch Komfort

for automatic monitoring of the residual/total
hardness (water hardness).

172 500

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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19

 GENO®-activated carbon filter AKF 250

To reduce the chlorine concentration in the water.

109 010

 GENO-STOP

®

for optimum protection from

water damage.

The new safety device GENO-STOP® provides re­liable and comprehensive protection from water
damage. The GENO-STOP® can be equipped
with up to 2 wired water sensors and 5 wireless
water sensors.
GENO-STOP

®

1“

For additional models, please inquire.

126 875

 Pure water tank for the intermediate stor-

age of the unpressurised permeate from
the GENO® reverse osmosis systems
Tank version:

All tanks are pre-assembled and feature a PVC
overflow pipe as well as connections for perme­ate inlet and suction line of pressure booster
system. Grey PE. Hand hole with removable
screw lid and external level control system
GENO®-Multi Niveau (switching level).

 Basic pure water tank RT “sterile”, com-

plete Usable volume approx. 850 l

l 780 / w 990 / total height 2000 mm*

712 400

 Additional tank RT for basic pure water

tank Usable volume approx. 850 l

l 780 / w 780 / total height 2100 mm*

712 405

 Basic pure water tank RT “standard”

Usable volume approx. 850 l
l 780 / w 1000 / total height 2050 mm**

712 410

* Tank height incl. connection pieces; for larg­er tanks, please inquire
** No sterile overflow as siphon – overflow de­ signed as down-pipe
Additional tank, level control and overflow loop
not included, 2 connection pipes included, inside
diameter =36 mm.



Note: A maximum supply battery of 4 tanks may be realised.

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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20

 Pressure booster system

GENO® FU 2/40-1 N 10

Compact, pressure-controlled pump aggregate,
consisting of a centrifugal pump, completely
made of stainless steel as well as integrated pres­sure and flow sensor for pump control and an in­tegrated dry run protection. Special version to
deliver permeate.
Delivery rate: max. 1.2 - 4.2 m³/h
Delivery height: max. 18.2 – 45.6 m
Power supply: 230 V / 50 Hz
Connected load: 1 kW
Connections: DN 25 / DN 32
Protection: IP 55

730 505

 Pressure booster system

GENO® FU 2/40-2 N 10

As for single pressure booster system, however,
featuring the possibility for a time/load switch­over

730 515

 Switch cabinet

for time/load switch-over in case of
GENO®-FU 2/40-2 N 10

730 375

 Rotary power switching point (1.25-5A)

1)

Power unit for single pressure booster

972 20 550

 AC power switching point (2.2 kW)

1)

Power unit for single pressure booster

212 254

1)

Level control - to be provided by others on site – for

dry-run protection in permeate tank is required.

5.3 Consumables

To ensure reliable system operation, only genuine consumables should
be used.

 GENO

®

-replacement filter element 5 μm
with protective cylinder
Packing unit: 2 pcs

103 061

 Reverse osmosis membrane with seal

Packing unit: 1 pc

720 290

 Water test kit „Total hardness“

1 pc

10 pcs

170 145
170 100

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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5.4 Wearing parts

Seals and valves are subject to a certain wear and
tear. Wearing parts are listed below.



Note: Although these are wearing parts, we grant a limited warranty of
6 months. The same applies for electrical components.



a) Solenoid valves, regulating valves, concentrate, seals
b) High pressure pump

Fig. C-3: Valves Fig. C-4: High pressure pump

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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D Installation (GENO®-OSMO RO 125K)

1 General installation information

The installation site must provide adequate space. A foundation of suffi-

cient size and load carrying capacity must be provided. The required
connections must be provided prior to the installation of the system.
Please refer to table C-1 for dimensions and connection data.



Note: When installing systems with optional equipment (refer to chap­ter C, 5.2), you must also observe the operation manuals supplied with
such equipment.

1.1 Sanitary
installation

When installing the reverse osmosis system GENO

®

-OSMO RO 125K,
certain rules MUST always be observed. Additional recommendations
facilitate your work with the system. The installation instructions de­scribed herein are illustrated in fig. D-4.

Binding rules
The installation of a reverse osmosis system GENO®-OSMO RO 125K is a

major interference with the drinking water system. Only authorised
companies may install such systems.

 Observe the local installation guidelines and the general guidelines.
 The system must be preceded by a fine filter (e.g. BOXER

®

KD) (op-

tion)

 The system must be preceded by a system separator (option).
 The system must be preceded by a water softener (option).
 If necessary, install an activated carbon filter (option)
 Provide a drain connection (at least DN 50) to discharge the concen-

trate.



Note: If the concentrate is directed to a lifting system, the delivery rate of
the lifting system should at least amount to 500 l/h.

Warning! A floor outlet must be available in the installation room. If
this is not the case, an appropriate safety device must be installed (refer
to option C-6).

Recommendations

Provide a sampling valve directly upstream and downstream of the re­verse osmosis system GENO®-OSMO RO 125 K. This will facilitate the
sampling for the regular quality control (functional check).

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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1.2 Electrical
installation

Internal wiring of the GENO-OSMO-RO125K control unit

The system is completely wired (if necessary, incl. optional equipment) at
the factory and will be delivered ready-to-plug-in. During start-up, the pa­rameter ECL: 1 must be changed to ECL: 0 in Code level 113 (normally
closed contact >>normally open contact). This is a safety measure, so that
the system cannot be switch-on accidentally after plugging in the mains
cable without the system being properly deaerated first.

Jumpers must be plugged this way

Conductivity module

Mains cable

PS-pump
(pressure booster)

HP-pump

Thermal circuit breake

r

of HP-pump

Release of analysis
Hardness monitoring device

Pumps

Solenoid
valve

Mains

Fig. D-1: PCB configuration of GENO®- OSMO RO 125K

Terminal no. Terminal Function (colour of wire) Remarks

All protective conductors are connected with the 7 pole protective conductor terminal on the left mounting rail
X1 3 L 230 V / 50 Hz phase

Mains cable, protection provided by others on
site at least 6 A

2 N Neutral conductor
1 PE Protective earth conductor

X2 6 MVW 230 V / 50 Hz phase Solenoid valve rinsing Joint neutral termi-

nal

5 N Neutral conductor
7 MVE 230 V / 50 Hz phase Inlet solenoid valve

10 MVR 230 V / 50 Hz phase Option:

Solenoid valve forced withdrawal

9 N Neutral conductor

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Terminal no. Terminal Function (colour of wire) Remarks

X3 12 PS 230 V / 50 Hz phase

GENO

®

-OSMO RO 125K-TS

Triggering of high pressure pump via relay
K2, protection via fuse F3 (T3, 15A)

GENO

®

-OSMO RO 125K-TL

 Triggering of high pressure pump volt.-free

contact, relay K2, terminals 21-24

 Control voltage for external power unit

230 V~: relay K2, terminals 14-A2

13 N Neutral conductor

14 HP 230 V / 50 Hz phase Option:

Solenoid valve „blending unit“

13 N Neutral conductor
14 HP 230 V / 50 Hz phase Triggering of high pressure pump via relay

K1, protection via fuse F2 (T 4,0 A)

2 N Neutral conductor

X4 33 + AVRO electrode line

Only used for AVRO 125 TS/TL!

34 GND

X5 15 COM Joint root

Volt.-free contacts N. C. 250 V~ / 3 A with
joint root COM

16 SAMS Fault signal contact
17 MELD Signal contact

X6 28 GND Joint mass (brown)

Hall pulse cable of turbine water meter

29 WZ0 Pulse input permeate

green

30 WZ1 Pulse input concentrate
31 WZ2 Option:

Pulse input „blending unit“

32 +12V Joint source voltage

12 VDC (white)

X7 24 Level „a“ Switch-off level high pressure

pump

brown

Level control permeate tank

25 Level „b“ Switch-on level high pressure

pump

green

26 Level „c“ Dry-run protection pressure

booster pump

yellow

27 +24V Joint source voltage 24 VDC white

X8 18 DS_HP Pressure switch high pressure pump

Low pressure of feed water, dry-run protec­tion high pressure pump

19 +24V Source voltage 24 VDC
20 DS_PS Pressure switch pressure booster pump Pressure switch to control pressure booster

pump (GENO

®

-OSMO RO 125K-TS resp.

AVRO 125 TS integrated in system)
In case of the RO/AVRO 125-TL version, a

jumper must be set at terminals X8 20/21.

21 +24V Source voltage 24 VDC

22 CLOSE Release input Close

 System switches off if thermal circuit

breaker of HP pump is triggered

 Lock system externally, eg. pretreatment,

residual hardness ... For this purpose, a
normally closed contact (NCC) provided by
others must be switched in series with the
thermal circuit breaker.

23 +24V

Source voltage 24 VDC

L1

a N.C.

b N.O.

c N.O.

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Terminal no. Terminal Function (colour of wire) Remarks

X9 35 Screen Conductive measuring cell

with 2 electrodes, not tem­perature compensated, cell
constant 0,1 or 1.0

Option:
Conductivity meter

36 LF E white
37 LF V

brown

Relais
K1

31
34

Release signal/analysis start

hardness monitoring device

Contact is closed
if system produces permeate.

Connect GENO

®

-Softwatch Komfort:

to terminals 16/17.

Configuration of the components on the mounting rails, accessible after

the control unit has been dismantled:

Protective conductor termi-

nal, mounted below the two

fuses F2 and F3

Fig. D-2: Position of protective conductor terminal

2 Preliminary works

1. Unpack all system components.

2. Check for completeness and perfect condition.

3. Set up the reverse osmosis system GENO

®

-OSMO RO 125 K at the

designated installation site.

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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3 System connection on water side

 Connect the feed water to the system (refer to fig. D-4)
 Connect the permeate pipe to the system. In case of GENO

®

-OSMO

RO 125K-TL connect to tank provided by others on site.

Attention! If withdrawal/feed points (e. g. tank provided by others on
site) of permeate originating from the RO-125K are located below the
connection level of the system, a pressure maintaining valve must be
installed into the permeate pipe in order to protect the permeate tank
from being siphoned.

Fig. D-3: Withdrawal point below system level

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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A

BOXER®-KD

 Concentrate connection

B

Euro system separator DK 2-Mini

 Permeate connection

C

Water softener Weichwassermeister 2 GSX I

 Feed water connection

D

Activated carbon filter AKF

E

GENO®-OSMO-RO 125K-TS

Fig. D-4 Installation drawing of reverse osmosis system
GENO

®

-OSMO RO 125K

Fig. D-4(a) Installation drawing of

reverse osmosis system

GENO

®

-OSMO RO 125K

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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E Start-up (reverse osmosis system GENO®-OSMO RO 125K)

The work described below may only be performed by trained experts.
For safety reasons, we recommend to have the start-up performed by
Grünbeck’s customer service/authorised service.

1 System rinsing

1.1 Mounting of rins­ing line

Disassemble permeate line from supply tank (refer to fig. E-1, E-2, item 1)
and route to drain by means of a separate hose.

Fig. E-1: Permeate line RO 125 K-TS

Fig. E-2: Permeate line RO-125 K-TL

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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1.2 Rinsing of preserva­tive

A special preservative is used to protect the membrane during storage
and shipping. The first step is to rinse this preservative from the system.
To prevent the system from being accidentally started before this agent
has been removed, the system is locked electronically.



Note: Please refer to chapter F for detailed information on the
controller.

Release system via Code 113, (refer to table E-1: excerpt from…), pa­rameter ECL: To do so, open parameter by means of key, set ECL: 1
by means of key and confirm by means of key

 Via Code 113, (rever to table E-1: excerpt from…), parameter EnL: 1

open both solenoid valves („DEAERATION“) and rinse preservative
from system for 30 min. To do so, access the parameter by means of
key and set EnL: 1 with key . Confirm with key

 To terminate program step „DEAERATION“: access parameter with

key , set EnL:0 by means of key and confirm with

 Quit programm „EnL“ by simultaneously pressing keys and

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Table E-1: Excerpt from pagaragraph F-3.1 Input logicCode 113

Display

Factory

setting

Parameter Setting

range

Remarks

E-A: 1 Contact type level „a“ 0 ... 1 0 = NOC

1 = NCC

E-b: 0 Contact type level „b“ 0 ... 1 0 = NOC

1 = NCC

E-c: 0 Contact type level „c“ 0 ... 1 0 = NOC

1 = NCC

EHP: 2 Contact type pressure

switch low pressure HP
(High pressure pump).

0 ... 3 0 = NOC

1 = NCC
2 = NOC with autom.
restart 1)
3 = NCC with autom.
restart 1)

EPS: 0 Contact type pressure

switch PS (Pressure
booster pump).

0 ... 1 0 = NOC

1 = NCC

ECL: 0 Contact type input

Close.

0 ... 1 0 = NOC

1 = NCC

EnL: 0 Rinse system (Solenoid

valves inlet and rinsing).

0 ... 1 1 = opens solenoid valves

(only possible if system
is switched off via key
).

0 = closes solenoid valves

again

A.PF:0 Function signal contact

terminals 15/17.

0 ... 1 0 = Contact opens in case

of deactivation of HP
pressure, pre-alarm
conductivity, level “c”
undershot, mainte­nance interval expired.

1 = Contact is closed when

HP pump is running..

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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1.3 Permeate production / deaeration of pressure pump

 Remount permeate line to supply tank (refer to fig. E-1).
 Switch on the reverse osmosis system RO 125 K by means of key.

The system produces permeate in the tank.



Note: The following only applies to reverse osmosis system
RO-125 K-TS

 The pressure booster pump is deaerated if permeate flows from the

deaeration/sampling valve (refer to fig. E-3, item 1) (it will takes ap­prox. 15 minutes for the permeate to start flowing). Close deaeration
valve.

 Plug the plug of the pressure switch (refer to fig. E-4, item 1) onto

the presure switch – pressure booster pump starts delivering.



Note: In order for the pressure pump to reach ist bearing pressure, the
pipe downstream must also be deaerated, therefore it is essential to es­tablish permeate consumption.

 Switch-on pressure approx. 1.8 bar; switch-off pressure approx. 3.0

bar.

Fig. E-3: Deaeration of pressure booster Fig. E-4: Pressure switch of pressure

booster

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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F Operation

1 Preface



Note: Instructions printed in bold letters are absolutely necessary for the
continuation of the operation. All other instructions may be omitted, if
the value shown in the display remains unchanged.

Settings in the customer service programming level may only be per­formed by Grünbeck’s technical customer service/authorised service or
by trained experts explicitly authorised by Grünbeck.

Warning! Incorrect settings may result in dangerous operating states
which may cause damage to persons, health or property.

Strictly observe the operation manual! Only make settings that are de­scribed in this manual!

Fig. F-1: Control unit

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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2 How to operate the control unit

Display symbols:

Fig. 2: Operating panel of GENO

®

- OSMO RO 125K control

unit

Operating mode display

appears when the system is switched on via
key (> 5 sec. in basic display “time”)

High pressure pump

appears when high pressure pump produces
permeate (blinking in case of malfuntion Er1)

Pressure booster pump

appears when the pressure booster pump de­livers permeate resp. the power unit K2 is active.

Solenoid valve inlet

appears when permeate is being produced resp.
when the system is being rinsed

Solenoid valve rinsing

appears when the system is being rinsed

Solenoid valve forced withdrawal

appears when the content of the permeate tank
is discharged to the drain

Filling level indication permeate tank

Upper wave: Switch-off level for high pressure
pump
Wave in the middle: Switch-on level for high
pressure pump
Lower wave: Dry-run protection for pressure
booster pump

Display „Numerical values“

 indicates time and operating parameters

in the Info level

 indicates the parameters of the Code

levels

 indicates symbols in addition to the

error signal

Bars for water meter pulses

blink with every 5th pulse of the water meter
Permeate resp. Konzentrat (concentrate)

Point appears as long as pressure booster pump

is locked (after ON via key , when the lower
wave permeate tank was exceeded, acknowledge
after malfunction)

Bar for operation standby of high pressure pump

(HP) and pressure booster pump (PS)
indicates the state of the pressure switch feed
water inlet (bar appears when pressure is pend­ing) and operation release of PS pump (bar ap­pears when operation is released)

P

Is blinking, if – during the permeate production –
the pressure switch of the high pressure pump is
de-energised (lack of pressure in the feed water)

Bar for signal and fault signal contact

appears when the maintenance interval has
expired, pressure switch high pressure pump has
dropped out, conductivity pre-alarm, permeate
tank empty. Er appears in case of malfunctions
Er0 … Er6

Bar for input Close

 appears when the release signal Close is pending

at the input, i. e. the system is locked

 appears when high pressure pump is overheated

±

Symbol not relevant for GENO®-OSMO
RO 125K TL/TS

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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1.3 Permeate production / deaeration of pressure pump

 Remount permeate line to supply tank (refer to fig. E-1).
 Switch on the reverse osmosis system RO 125 K by means of key.

The system produces permeate in the tank.



Note: The following only applies to reverse osmosis system
RO-125 K-TS

 The pressure booster pump is deaerated if permeate flows from the

deaeration/sampling valve (refer to fig. E-3, item 1) (it will takes ap­prox. 15 minutes for the permeate to start flowing). Close deaeration
valve.

 Plug the plug of the pressure switch (refer to fig. E-4, item 1) onto

the presure switch – pressure booster pump starts delivering.



Note: In order for the pressure pump to reach ist bearing pressure, the
pipe downstream must also be deaerated, therefore it is essential to es­tablish permeate consumption.

 Switch-on pressure approx. 1.8 bar; switch-off pressure approx. 3.0

bar.

Fig. E-3: Deaeration of pressure booster Fig. E-4: Pressure switch of pressure

booster

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Key functions:

Basic functions:

Extended functions in programming levels:

 Acknowledgement of malfunctions
 Access to time programming mode

(press key for > 2.5 sec. )

 Access parameter for editing (value is blinking)
 Store parameter and close

To switch off the system (> 5 sec. in basic
display “time”)

 Reduce the value
 Return to the previous menu item

To switch on the system (> 5 sec. in basic
display “time”), to indicate operating values
of the Info level

 Increase the value
 Go to the next menu item

+

Access to the Code protected programming
levels (Code request C 000)

+

 Close open parameter without saving

(present value is kept)

 Return to the basic display time

2.1 How to read the

operating state

Within the Info level, various operating parameters can be displayed. The
Info level may be accessed by pressing the key (> 5 sec.) You may
access other parameters by tapping the key. As long as the system has
not yet been released via the input signal Close, the info level is also still
locked.

Key Display Parameter

00:00

Basic display time

When pressing this key (> 5 sec.) for the first time, the system is
being switched on!

365 Remaining time of maintenance interval [days]

0000 Displayed value not relevant for RO 125 K TL/TS

LF022 Permeate conductivity [μS/cm] (optional – displayed

value blinks if pre-alarm value is exceed)
P0200 Permeate flow [l/h]
c0200 Concentrate flow [l/h]

u0320 Blending flow [l/h] (option 752 800)

A 050 System recovery [%]

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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2.2 How to program
the time

Precondition:

The basic display time must be indicated.

1. Press key for > 2.5 seconds, only the hours are still displayed 00:

2. Press key to modify the hours (when the value is blinking, set the

desired value by means of keys and , and save with the key )

or

press to switch to the minutes :00

3. Press key to modify the minutes (when the value is blinking, set

the desired value by means of keys and , and save with key )

4. By simultaneously pressing the keys and , return to the basic

display.

2.3 Access to the
programming
levels – modifica­tion of parame­ters

1. By simultaneously pressing (> 1 sec.) keys and , the Code re-

quest C 000 appears.

2. Set the required Code with keys or and confirm with key .

3. Select the desired parameter in the programming level by keys or

and open it for editing with key (the value starts blinking).

4. Change the parameter setting to the desired value by keys or

5. Save the new parameter settings with the key (value stops blink-

ing) or reject the modification by simultaneously pressing keys
and and close the parameter again (value stops blinking and
the previous setting remains stored).

6. Return to the basic display time by simultaneously pressing keys

and .

7. When no keys are operated within the parameter level for more than

5 minutes, the display automatically returns to the basic indication of
the time. Parameters that might be open (blinking value) are closed
and the previously stored value is kept.

2.4 Software version

Display Parameter

P1.00 Software version RO-matic control unit

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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36

3 Programming levels

3.1 Input logic Code 113

Display

Factory-

setting

Parameter Setting

range

Remarks

E-A: 1 Contact type level „a“ 0 ... 1 0 = NOC

1 = NCC

E-b: 0 Contact type level „b“ 0 ... 1 0 = NOC

1 = NCC

E-c: 0 Contact type level „c“ 0 ... 1 0 = NOC

1 = NCC

EHP: 2 Contact type pressure

switch low pressure HP
(high pressure pump)

0 ... 3 0 = NOC

1 = NCC
2 = NOC with autom. re­start

(1)

3 = NCC with autom. re­start

(1)

EPS: 0 Contact type pressure

switch PS (pressure
booster pump)

0 ... 1 0 = NOC

(RO/AVRO 125-TS)
1 = NCC
(RO/AVRO 125-TL)

ECL: 0 Contact type input

Close

0 ... 1 0 = NOC

1 = NCC

EnL: 0 Rinse system (solenoid

valves inlet and rinsing)

0 ... 1 1 = opens solenoid valves

(only possible, if sys­tem is switched off via
key )

0 = closes solenoid valves

again

A.PF:0 Function signal contact

terminals 15/17.

0 ... 1 0 = Contact opens in case

of deactivation of HP
pressure, pre-alarm
conductivity, level „c“
undershot, mainte­nance interval expired.

1 = Contact is closed

when HP pump is
running.

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®

-OSMO RO 125K

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(1)

If the error Er1 occurs while the permeate production is running (pres­sure switch low pressure high pressure pump), the system tries to restart
in the following time intervals:

5 ... 10 ... 20 ... 40 ... 80 ... 160 minutes
If sufficient pressure is available, permeate is being produced until level

„a“ is reached and the error quits itself.
During the wait time between the start attempts, the symbol is

blinking in the display.

2)

Pressure switch: Switch-on pressure 1.8 bar
Switch-off pressure 3.0 bar

The hysteresis of the pressure switch may be adjusted in parallel by
means of the screw.

3.2 System parameters Code 290
Display

Factory-

setting

Parameter Setting

range

Remarks

1. 0 Cell constant conductiv­ity measurement
(optional)

0.0 / 0.1 /

1.0

0.0 = Conductivity mea­ surement deactivat­ed,
i. e. parameter
2 ... 4 not effective

0.1 = Measuring range
0 ... 99 μS/cm

1.0 = Measuring range
0 ... 999 μS/cm

2. 080 Limit value conductivity
for malfunction Er 3
[μS/cm]

1 ... 999



Note: Setting value
must be chosen ac­cording to the cell
constant (i. e. measur­ing range)!

3. 070 Conductivity pre-alarm
[μS/cm] (display in the
info level starts blinking
and signal contact
switches)

1 ... 999

4. 05 Switch-off delay in case
of Er 3 [minutes]

0 ... 99 Also delay time for the

release of the status signal
in case the conductivity
pre-alarm is exceeded

P

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®

-OSMO RO 125K

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Display

Factory-

setting

Parameter Setting

range

Remarks

5. 0 Return of power
reaction for malfunc­tion Er 0 (power failure
> 5 minutes)

0 ... 2 0 = No matter whether

the system was off or
on prior to the power
failure, after return of
power, it remains
switched off and mal­function Er 0 is indi­cated

1 = Malfunction Er 0 is

deactivated

2 = After return of power,

the system is on or off
such as it was before
the power failure and
the malfunction Er 0 is
indicated

6. 1 Interval in days for
forced operation /
forced withdrawal
[days]

1 ... 3 If the interval in days since

the last permeate produc­tion is reached at the pro­grammed time, forced
operation or forced with­drawal takes place, de­pending on which of the
two has been activated

In case of RO125K,
forced withdrawal is
only admissible in com­bination with the op­tion solenoid valve
forced withdrawal!

7.18:00 Time for forced opera­tion / forced withdrawal

00:00 ...
23:59

8. 0 Duration of forced op­eration [hours]

0 ... 9

9. 3.0 Opening period of so­lenoid valve forced
withdrawal [minutes]

0.1 ...

99.9

A. 0 Monitoring or recovery

(Er 5)

0 … 1 For AVRO 125 TS/TL, the

recovery monitoring must
be activated!

b. 80 Upper limit value for

recovery [%]

1 … 99

Attention! In case of
AVRO 125 TS/TL , the
recovery must be set
to 50 %!

c. 060 Delay time for recovery

switch off [min.]

0 … 240

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®

-OSMO RO 125K

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4 Operation of reverse osmosis

4.1 How to set the system recovery

In order to prevent the membrane from clogging (scaling), a certain

amount of feed water has to be rejected. The ratio between the perme­ate volume produced and the concentrate volume flowing to the drain
is called recovery.

4.1.1 How to set the permeate volume

 Switch on the system via key (refer to chapter F-2) at the control

electronics.

 Throttle the pump by means of the setting valve (refer to fig. F-3,

item 1) for operating pressure (refer to fig. E-2) in a way that the sys­tem specific permeate flow of 125 l/h is obtained.



Note: The current permeate flow may be indicated at the con­trol unit (refer to chapter F, paragraph 2.1, „How to read the
operating state“).

Fig. F-3: pump

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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4.1.2 How to set the concentrate volume

 Set the concentrate flow at the concentrate needle valve (refer to fig.

F-4, item 1).

 In case of standard systems, the concentrate flow has to be set in a

way that a recovery of 50 % is reached (125 l/h permeate flow,
125 l/h concentrate flow)



Note: The current concentrate flow resp. the recovery may be indicated
at the control unit (refer to chapter F, paragraph 2.1 „How to read the
operating state“).



Attention! If the setting of the recovery is not observed, scaling (precip­itation of dissolved minerals) on the reverse osmosis will occur.

 After 10 minutes, measure the water values of feed water, permeate

and concentrate and record the values in the operation log.

 Switch off the system (refer to chapter F-2).

Fig. F-4: Hydro distribution block

Example for calculation of recovery

[l/h]flow eConcentrat[l/h]flow Permeate

100%x[l/h]flow Permeate

[%]Recovery





][l/hflow Permeate

[%]recovery eConenctrat

100x[l/h]flow Permeate

[l/h]flow eConcentrat 

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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41

G Troubleshooting

Even carefully designed and manufactured technical systems that are

operated properly may experience malfunctions. Table G-1 provides an
overview of possible problems that might occur during operation of the
systems. It also indicates the causes and remedies.

The systems are equipped with error detection and reporting system.
If an error message is displayed:

1. Press key (= acknowledge malfunction).

2. Watch the display.

If the signal reappears, compare to table G-1.

3. If necessary, notify technical customer service.



Note: The customer service must definitely be notified in case of mal­functions that cannot be remedied with the information provided in ta­ble G-1! When you contact the customer service, please provide the
following information: system designation, serial number and, if appli­cable, the error message displayed.

Table G-1: Troubleshooting

What you see Why it happened What to do

Water quality decreased
by 50 %

Membrane clogged

Replace or rinse membrane 1)

Feed water values

deteriorated

Check feed water values

Solenoid valve
does not open

Coil defective or fuse on circuit
board blown

Replace coil resp. replace fuse

Solenoid valve
does not close

Valve dirty Clean valve

In the display, a bar ap­pears above the Close
symbol

 HP pump: thermal circuit

breaker was activated, over­heating of pump.

 Hardness monitoring or water

treatment locks system.

 Wait until the pump has cooled

down, the system resumes oper­ation automatically.

 Check system installed up-

stream.

In the display, a bar ap­pears above the screw
driver symbol (without
additional indication of a
malfunction)

Maintenance interval has expired Have maintenance performed

Measured conductivity
value in the info level is
blinking and a bar appears
above the screw driver in
the display.

Option conductivity meter:
Pre-alarm for conductivity,
chapter F / item 3.2 / parameter 4
exceeded

Check feed water values and rinse
membrane, if necessary

Reverse Osmosis System

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®

-OSMO RO 125K

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Table G-1 continued: Troubleshooting

What you see Why it happened What to do

Er 0 Power failure for > 5 minutes

refer to chapter F / item 3.2 / pa­rameter A:
Depending on the setting, the
system continues running or re­mains switched-off

Check power supply for failures

Er 1 Pressure loss at pressure switch

HP:
Refer to chapter F / item 3.1 / pa­rameter EHP:
Depending on the setting, the
system has unsuccessfully tried to
restart 6 times.

Re-establish feed water inlet pres­sure

Er 2 Inadmissible level position in per-

meate tank

Check wiring resp. settings in Code
113, check parameters E-A, E-b and
E-c and correct, if necessary (alloca­tion NCC/NOC)

Er 3 Option conductivity meter:

Limit value for conductivity chap­ter F / item 3.2 / parameter 3 ex­ceeded

Check feed water values, rinse
membrane or replace it, if neces­sary

Symbol

P

is blinking
(starting with software
version V1.22) resp.

Symbol is blinking (up
to software version V1.19)

Refer to Er 1: Wait time between
2 start-up trials is running

Re-establish initial feed water pres­sure

Er 5 System recovery too high. Volumetrically measure system and

readjust.

1)

Special rinsing instructions for the membranes are available for authorised service personnel (or­der no. 700 950)

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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H Maintenance and care for reverse osmosis system RO 125K

1 Basic information

In order to guarantee the reliable function of the systems over a long
period of time, maintenance has to be performed at regular intervals.
Furthermore, all regulations and guidelines which apply at the installa­tion site must be observed.

 The quality and the system volume flows must be checked daily.
 Maintenance must be performed by the manufacturer's customer service or

by an authorised company. The maintenance intervals depend on the load.
However, maintenance must be performed at least once a year.

 An operation log as well as the corresponding test report must be

kept in order to record the maintenance work performed.



Note: A maintenance contract ensures that all the required mainte­nance work will be performed in due time.

The maintenance work performed must be documented in the checklist,
refer to attachment „operation log“

2 Inspection (functional check)

You may perform the daily inspections yourself.

Please refer to the summary below for a list of tasks to be performed
within the framework of an inspection.

Overview: Inspection work

 Determine the feed water hardness (inlet).

(water analysis kit „Total Hardness“)

 Determine the permeate quality. In case of built-in conductivity moni-

toring, the permeate quality is indicated in the display. Otherwise it
must be determined by means of a manual conductivity meter

 Read recovery
 Observe remaining time of maintenance interval

Chapter F, item 2.2, read operating state.
If the remaining time of the maintenance interval is < 30 days, contact
the technical customer service regarding maintenance.



Note: Minor deviations are normal and cannot be prevented technically.
However, if you detect major deviations from the standards, please con­tact the customer service.

 Check water tightness of system to drain (if system is switched off – all

3 waves are visible in the display – refer to fig. F-2, item 5). Solenoid
valves are not activated, visible in display (refer to fig. F-2, items 9 and

10). In this mode, no leakage water may flow to the drain.



Note: Leaky solenoid valves cause an increased water consumption of
the system. The recovery will decrease.

Reverse Osmosis System

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®

-OSMO RO 125K

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3 Maintenance

According to DIN 1988 part 8 / A 12, system maintenance may only be
performed by the manufacturer's customer service or an authorised
company.

An operation log/checklist must be kept for these systems. In this log,

the service technician records all maintenance and repair work per­formed. In case of a system failure, this log helps to identify possible
sources of the error. In addition, the log documents the proper system
maintenance.



Note: Make sure that all maintenance work is recorded in the operation
log as well as in the test report.

Overview: Maintenance work

 Replacement of filter elements 80/50 μm or 5 μm.
 If necessary, replace filter element for activated carbon filter.
 Check the permeate quality, rinse or replace membrane, if necessary.

A special rinsing manual is available for authorised service personnel
(order no. 700 950).

 Clean solenoid valves and check function.
 Check the flow volumes and recalibrate the water meters.
 Check the state of the entire system and test for tightness.
 Check all components (pumps, valves, etc.) in terms of mechanical

and electrical function and performance.

 Prepare a written maintenance report where you record all data and

activities, including repair work, analysis and evaluation of the oper­ating parameters and water analyses.



Note: Make sure that all maintenance work is documented in the
checklist, refer to the attached “operation log”.

3.1 Operation log

The operation log as well as the corresponding test report can be found
in the chapter H, item 4 of the operation manual. When starting up the
system, make sure to record all data on the cover sheet of the operation
log and fill in the first column of the checklist.

The service technician will fill in a column of the operation log whenever
maintenance is performed. The log provides evidence of proper mainte­nance.

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®

-OSMO RO 125K

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4 Operation log

Customer

Name: ........................................................................

Address: .....................................................................

..................................................................................

..................................................................................

Reverse osmosis system GENO®-OSMO RO 125K

(please mark appropriate box)

Serial number ..............................................................................

Installed by ..................................................................................

Filter 80 μm: make/type .................. / ..........................................

System separator: make/type........... / ..........................................

Water softener: make/type .............. / ..........................................

Activated carbon filter: make/type ... / ..........................................

Filter 5 μm: make/type

.......................... / ....................................................

TL

TS

Connection data:

Drain connection DIN 1988

yes no

(please mark appropriate box)

Floor drain available yes no

Pipe upstream of

GENO®-OSMO RO 125K

galvanised
copper
plastics

Drain height . . . . . cm from bottom edge of system

Grünbeck Wasseraufbereitung Gmb

H

Josef-Grünbeck-Strasse 1
89420 Hoechstaedt/Danube · GERMANY
Phone [phone] · Fax [phone]
www.gruenbeck.com · [e-mail]

A company certified by TÜV SÜD

in accordance with DIN EN ISO 9001, DIN
EN ISO 14001, DIN EN ISO 13485 and SCC

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Maintenance work reverse osmosis system GENO®-OSMO RO 125K

Checklist

Please enter measured values. Confirm checks with OK or document repair work performed.

Maintenance performed with-

out module replacement

Maintenance performed

with module replacement

Start-up Date

Module no. .......................... Module no. .............................

Measured values

Water volumes and qualities before replacement of module / after replacement of module resp. maintenance

Pump pressure

[bar]

Conductivity

[μS/cm]

Total hardness

[dH] 1)

Temperature

[C]

Volume flow

[l/h]

Recovery

[%]

before/after before/after before/after before/after before/after before /after

Inlet water

/ / / / /

Permeate

/ / / / /

Concentrate/
drain

/ / / / / . . . % / . . . %

Confirmation Remarks

Water meter reading upstream of system [m³]
Inlet water pressure (2.5-4 bar) checked
Filter element replaced (80 μm / 5 μm)
Settings of electronics checked
Water meter configurated (Code 302, Par 2 and 3)
Operating hours (chapter F, 3.4)
Run time high pressure pump

(Code 245, Par c)

[h]

Run time pressure booster pump
(Code 245, Par d)

[h]

Permeate volume produced
(Code 245, Par E)

[m³]

Concentrate volume generated
(Code 245, Par F)

[m³]

Blending water volume (optional)
(Code 245, Par G)

[m³]

Rinsing time (Code 302, Par 6)

[min]
All electrical cables checked for external damage
All hoses and connections checked for external

damage
Inlet and rinsing water solenoid valves cleaned and

checked for tightness
Function of low pressure control switch checked
Conductivity sensor checked/cleaned

1)

1°dH = 1.78°f = 0.178 mmol/l

Reverse Osmosis System

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®

-OSMO RO 125K

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Confirmation Remarks

Visual check of electronics board
System checked for tightness
Load units reset

Miscellaneous

Remarks: ..........................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

Installer / Customer service technician: ...........................................

Company: .....................................................................................

......................................................................................................

......................................................................................................

Work time certificate (no.):.............................................................

Date/Signature ...............................................................................

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Maintenance work reverse osmosis system GENO®-OSMO RO 125K

Checklist

Please enter measured values. Confirm checks with OK or document repair work performed.

Maintenance performed with-

out module replacement

Maintenance performed

with module replacement

Start-up Date

Module no. .......................... Module no. .............................

Measured values

Water volumes and qualities before replacement of module / after replacement of module resp. maintenance

Pump pressure

[bar]

Conductivity

[μS/cm]

Total hardness

[dH] 1)

Temperature

[C]

Volume flow

[l/h]

Recovery

[%]

before/after before/after before/after before/after before/after before /after

Inlet water

/ / / / /

Permeate

/ / / / /

Concentrate/
drain

/ / / / / . . . % / . . . %

Confirmation Remarks

Water meter reading upstream of system [m³]
Inlet water pressure (2.5-4 bar) checked
Filter element replaced (80 μm / 5 μm)
Settings of electronics checked
Water meter configurated (Code 302, Par 2 and 3)
Operating hours (chapter F, 3.4)
Run time high pressure pump

(Code 245, Par c)

[h]

Run time pressure booster pump
(Code 245, Par d)

[h]

Permeate volume produced
(Code 245, Par E)

[m³]

Concentrate volume generated
(Code 245, Par F)

[m³]

Blending water volume (optional)
(Code 245, Par G)

[m³]

Rinsing time (Code 302, Par 6)

[min]
All electrical cables checked for external damage
All hoses and connections checked for external

damage
Inlet and rinsing water solenoid valves cleaned and

checked for tightness
Function of low pressure control switch checked
Conductivity sensor checked/cleaned

1)

1°dH = 1.78 °f = 0.178 mmol/l

Reverse Osmosis System

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®

-OSMO RO 125K

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Confirmation Remarks

Visual check of electronics board
System checked for tightness
Load units reset

Miscellaneous

Remarks: ..........................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

Installer / Customer service technician: ...........................................

Company: .....................................................................................

......................................................................................................

......................................................................................................

Work time certificate (no.):.............................................................

Date/Signature ...............................................................................

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Maintenance work reverse osmosis system GENO®-OSMO RO 125K

Checklist

Please enter measured values. Confirm checks with OK or document repair work performed.

Maintenance performed with-

out module replacement

Maintenance performed

with module replacement

Start-up Date

Module no. .......................... Module no. .............................

Measured values

Water volumes and qualities before replacement of module / after replacement of module resp. maintenance

Pump pressure

[bar]

Conductivity

[μS/cm]

Total hardness

[dH] 1)

Temperature

[C]

Volume flow

[l/h]

Recovery

[%]

before/after before/after before/after before/after before/after before /after

Inlet water

/ / / / /

Permeate

/ / / / /

Concentrate/
drain

/ / / / / . . . % / . . . %

Confirmation Remarks

Water meter reading upstream of system [m³]
Inlet water pressure (2.5-4 bar) checked
Filter element replaced (80 μm / 5 μm)
Settings of electronics checked
Water meter configurated (Code 302, Par 2 and 3)
Operating hours (chapter F, 3.4)
Run time high pressure pump

(Code 245, Par c)

[h]

Run time pressure booster pump
(Code 245, Par d)

[h]

Permeate volume produced
(Code 245, Par E)

[m³]

Concentrate volume generated
(Code 245, Par F)

[m³]

Blending water volume (optional)
(Code 245, Par G)

[m³]

Rinsing time (Code 302, Par 6)

[min]
All electrical cables checked for external damage
All hoses and connections checked for external

damage
Inlet and rinsing water solenoid valves cleaned and

checked for tightness
Function of low pressure control switch checked
Conductivity sensor checked/cleaned

1)

1°dH = 1.78 °f = 0.178 mmol/l

Reverse Osmosis System

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®

-OSMO RO 125K

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Confirmation Remarks

Visual check of electronics board
System checked for tightness
Load units reset

Miscellaneous

Remarks: ..........................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

Installer / Customer service technician: ...........................................

Company: .....................................................................................

......................................................................................................

......................................................................................................

Work time certificate (no.):.............................................................

Date/Signature ...............................................................................

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Maintenance work reverse osmosis system GENO®-OSMO RO 125K

Checklist

Please enter measured values. Confirm checks with OK or document repair work performed.

Maintenance performed with-

out module replacement

Maintenance performed

with module replacement

Start-up Date

Module no. .......................... Module no. .............................

Measured values

Water volumes and qualities before replacement of module / after replacement of module resp. maintenance

Pump pressure

[bar]

Conductivity

[μS/cm]

Total hardness

[dH] 1)

Temperature

[C]

Volume flow

[l/h]

Recovery

[%]

before/after before/after before/after before/after before/after before /after

Inlet water

/ / / / /

Permeate

/ / / / /

Concentrate/
drain

/ / / / / . . . % / . . . %

Confirmation Remarks

Water meter reading upstream of system [m³]
Inlet water pressure (2.5-4 bar) checked
Filter element replaced (80 μm / 5 μm)
Settings of electronics checked
Water meter configurated (Code 302, Par 2 and 3)
Operating hours (chapter F, 3.4)
Run time high pressure pump

(Code 245, Par c)

[h]

Run time pressure booster pump
(Code 245, Par d)

[h]

Permeate volume produced
(Code 245, Par E)

[m³]

Concentrate volume generated
(Code 245, Par F)

[m³]

Blending water volume (optional)
(Code 245, Par G)

[m³]

Rinsing time (Code 302, Par 6)

[min]
All electrical cables checked for external damage
All hoses and connections checked for external

damage
Inlet and rinsing water solenoid valves cleaned and

checked for tightness
Function of low pressure control switch checked
Conductivity sensor checked/cleaned

1)

1°dH = 1.78°f = 0.178 mmol/l

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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Confirmation Remarks

Visual check of electronics board
System checked for tightness
Load units reset

Miscellaneous

Remarks: ..........................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

........................................................................................................................................................................................

Installer / Customer service technician: ...........................................

Company: .....................................................................................

......................................................................................................

......................................................................................................

Work time certificate (no.):.............................................................

Date/Signature ...............................................................................

Reverse Osmosis System

GENO

®

-OSMO RO 125K

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

Note: Only for GENO®-OSMO-MSR reverse osmosis systems. In case of other control electronics, various pa-
rameters might not be available.

GENO-OSMO-MSR system data print

Customer: __________________________ Serial no.: _________________________________________________

___________________________________ Installed by:

___________________________________ Phone: _

__________________________________

GENO®-OSMO-MSR 125 250 500 750

1000 1500 2000 Others ........................................

Osmosis menu

Pressure booster menu

Softening menu

RO operator menu

PB operator menu

Softener oper. menu

Operating mode: .................. Operating mode: .................. Raw water hardness.: .............. °dH

Blending hardness.: .............. °dH

RO system menu

PB parameter menu

RO system: .................. DRP M2/M3: ............ min

Softener menu

Flow ind. permeate.: .................. No. PB pumps: .................. System type: ..................

Flow ind. concentrate.: .................. Changeover M2/M3: ............... h Capacity: .............. m³

Flow ind. return: .................. Water meter.: .......... l/pulse

Restart.: ..................

PB malf. menu

Pre-devider: ..................

Forced mode.: .................. M2/M3 m. protection: .................. Operating mode: ..................

Min. run time: .................. Stö.M2/M3 delay.: ............... s

No. HP pumps: ..................

Softener times menu

BLC HP pumps: ..................

PB service menu

Step 1: ............ min

First permeate valve: .................. Operating hours M2: ............... h Step 2: ............ min

First permeate conduct.: ........ μS/cm Operating hours M3: ............... h Step 3: ............ min

Step 4: ............ min

RO times menu

Step 5: ............ min

Rinsing time: ............ min Step 6: ............ min

Start delay M1/M4: ............... s

System menu

Daily interval: .................. d

First permeate time.: ............... s

Input logic menu

Maintenance interval: .................. d

Max. idle time.: ............... h Input 1: ..................

Min. run time.: ............... h Input 2: ..................

Softener malf. menu

Maintenance interval: ............... d Input 3: .................. Delay motor malf.: ............ min

Key idle time: ............... s Input 4: .................. Delay low-on-salt: ............ min

Key run time: ............... s Input 5: .................. Malf. low-on-salt: ..................

Input 6: .................. Malf. hard water: ..................

To be continued on the next page

Reverse Osmosis System

GENO

®

-OSMO RO 125K

Order no. 195 752 940-inter Edited by: KONS-phar-mrie G:\BA-752940-INTER_RO_125K.DOC

55

RO malfunctions menu

Input 7: ..................

Conductivity P limit: ........... μS/cm Input 8: ..................

Softener service
menu

Malf. conduct/switch-off: .................. Input 9: .................. Regeneration: ..................

Malf. conduct. delay: ............ min Input 10: .................. Service in: .................. d

Malf. P1 delay: ............... s Input 11: ..................

P1 repeat: .................. Input 12: ..................

P1 wait time: ............ min Input 13: ..................

Recovery limit: ............... % Input 14: ..................

Dosing menu

Recovery delay: ............... s Input 15: .................. Malfunctions

Overpressure delay: ............... s Input 16: .................. Malf. dos. delay: ................ s

Low-on-salt switch-off: ..................

I/O config. menu

RO service menu

E05: ...................

Operating hours M1: ............... h E15: ..................

Operating hours M4: ............... h E16:

Sum permeate: .............. m³ E16 function.: ..................

Sum concentrate: .............. m³ E16 delay.: ............... s

Sum return: .............. m³ A01: ..................

A02: ..................

RO reference menu

Ref. permeate: .............. l/h

System config. menu

Ref. concentrate: .............. l/h Softening: ..................

Ref. return: .............. l/h PB available: ..................

Ref. conduct. P: ........ μS/cm

Cell const. conduct P: ..................

T coeff. conduct. P: ............ %/K

Temp. conduct. P.: .............. °C

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Date/Signature