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Operating instructions 

Winterhalter reverse osmosis unit RoMatik XS 

 

1 Safety 

notes 

In order to operate the RoMatik XS safely, please carefully read the safety notes listed 
here. 
 

1.1  Explanation of symbols used 

The following symbols have been used in these instructions: 

 

 

Danger 

Warning against potential serious or fatal injuries to persons if the 
described precautionary measures are not taken. 

 

Caution 

Warning against defects in or destruction of the product if the 
described precautionary measures are not taken. 

IMPORTANT 

Important information is given here. 

INFO 

Useful information is given here. 

   

These arrows indicate conduct instructions. 

  

This symbol indicates results of your actions. 

   

This symbol indicates itemisations. 

 

This symbol refers to a chapter with more detailed information. 

 

1.2 Proper use 

  The RoMatik XS reverse osmosis unit serves for the treatment (demineralisation) of 

cold raw water (max. 35 °C) for ultimate use in commercial warewashers. The 
RoMatik XS reduces the overall salt content of the raw water. The treated water is 
comparable to the purity of distilled water. 

  The quality of the raw water must conform to the requirements of the German potable 

water ordinance. In addition, limits must be respected (

 9). 

  The device may only be used in connection with a commercial warewasher. 

  The device is a technical device for commercial use and is not intended for private 

use. 

 

1.3 Improper 

use 

  The raw water treated with the RoMatik XS may not be utilized as drinking water. 

  This device is not intended for use by persons (including children) with limited 

physical, sensory or mental capabilities or who do not have the required experience 
with and knowledge of this device. Such persons must either be instructed by a 
supervisor who is responsible for their safety or must be supervised during the 
operation of the device. 

  Winterhalter Gastronom GmbH does not assume liability or warranty in the event that 

the device is used improperly. 

 

1.4  Requirements for the warewasher connected to the device 

  The RoMatik XS may only be used in connection with a commercial warewasher with 

a pressure independent boiler. Operation on warewashers with pressure boilers in 
conjunction with a diaphragm pressurised boiler is possible (see Connection 
diagram). The yield is reduced, however, and the fill time of the warewasher is 
extended. 

  All components of the warewasher which come into contact with water must be 

suitable for osmosis water. Use of non-ferrous metals is not permitted. Only synthetic 
components and stainless steel components may be utilized. 

 

1.5 General safety notes 

  Carefully read the safety notes and operating instructions. Winterhalter Gastronom 

GmbH does not assume liability or warranty in case of non-adherence to these safety 
notes. 

  Use the device only after you have read and understood the operating instructions. 

Allow the Winterhalter Customer Service Department to provide information about the 
operation and function. Always operate the RoMatik XS as described in these 
operating instructions. 

  Train the operating personnel as regards handling the RoMatik XS and inform them 

about the safety notes. Repeat the training sessions at regular intervals to prevent 
accidents. 

  Keep the operating instructions accessible. 

  Do not make changes, additions or reconstructions without the approval of the 

manufacturer. 

  Danger of electric shock: Do not open any covers if it requires tools. Do not 

manipulate the electrical components of the device yourself, always call a 
professional (electrical technician). 

  Disconnect the water supply immediately if the device becomes leaky at any location. 

Pull the mains plug in order to disconnect the power to the device and close the water 
stop cock. 

  In case of danger and/or defects, switch off the device immediately. Pull the plug. 

Only then is the device without power. 

  Do not insert the plug or pull it out with wet hands. 

  Pull the plug from the outlet only by the plug, not using the cord. 

  Contact the Winterhalter Customer Service in case of defects that are not caused due 

to the on-site water or electricity supply. Switch on the RoMatik XS again when the 
defect has been resolved 

  For your safety, test the on-site residual-current circuit breaker (FI) regularly by 

pressing the test button. 

2  Before working with the RoMatik XS 

  Have the device connected to water supply and the sewer as per the locally 

applicable standards and the regulations of the authorised mechanics. For more 
information, please see page 8. 

  Have the device installed and commissioned by an authorised service technician. 

Have yourself and your operating personnel trained in the operation of the device. 

 
 

3 Product 

description 

The water treatment of this device is based on the principle of reverse osmosis 
(mechanical filtration). First, the water passes through an active charcoal filter that filters 
out chlorine and sediment. The water is then forced at high pressure through two 
membranes, so that about 98 % of the content is removed. The treated water is 
comparable to distilled water. 
 
 

4 Device 

overview 

 

 

 

1 Operating 

panel 

Active charcoal filter 

3 Capillary 

 

4.1 Operating panel 

 

(1) Display 
(2) Entry 

key 

(3) 

Keys for navigation within the 
menus 

(4) 
(5) On/off 

key 

 

 

 

 

 
 

5 Operation 

Switching on the device 

Press the 

button 

 

 The device is automatically in stand-by mode, if the connected warewasher does not 

require any water. 

 
 

5.1  Normal operation (water treatment) 

As soon as the connected warewasher requests water, the device treats water. 
 

Displaying the conductivity of the treated water 

 

 Keep 

the 

button 

pressed. 

 

 The conductivity of the treated water in µS/cm appears in the display. 

 

English 

Translation of the original operating instructions 
Subject to technical alterations 
89013023-05/2013-09 

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