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ZUWA-Zumpe GmbH • Franz-Fuchs-Str. 13-17 • 83410 Laufen • Tel.: +49 (0) 8682 – 89340 • E-Mail: info@zuwa.de

DESCAL 

 

2.2 Legend

 

 

Immediate danger of death and severe injury 

 

Danger of death from electric shock 

 

Danger of scald burn 

 

Danger of chemical burn 

 

Danger of environmental and material damage 

 

Information, note 

 

3. Safety 

3.1  General safety instructions 

Store these instructions in such a way that they are accessible at all times for 
operating personnel! 
In addition to these operating instructions the following documents of related 
components and of the pumping media should be applicated: 

 

technical specifications  

 

material safety data sheets  

 

operating instructions  

 

 

Danger 

Danger of death due to electric shock 

>  Prior to work on the pump, always disconnect the drive from the power 

supply. 

 

 

The manufacturer shall not be held liable for damage resulting from non-
adherence to the operating instructions. 

Summary of Contents for DESCAL NIROSTAR 2000-A

Page 1: ... Str 13 17 83410 Laufen Tel 49 0 8682 89340 E Mail info zuwa de Operating Instructions Antikalk Mobilcenter ZUWA Zumpe GmbH Franz Fuchs Str 13 17 83410 Laufen Tel 49 8682 8934 0 Fax 49 8682 8934 34 E Mail info zuwa de QUALITY SINCE 1946 ...

Page 2: ...end 4 3 Safety 4 3 1 General safety instructions 4 3 2 Safety instructions for potentially hazardous liquids 6 4 Technical Data 7 5 Transportation and unpacking 7 6 Mounting and commissioning 8 6 1 Cleaning the filter during application 9 7 End of operation 10 8 Warehousing 11 9 Maintenance 11 9 1 Connections 11 9 2 Cleaning the filter 11 9 3 Disassembling the pump 11 9 4 Replacing components 12 9...

Page 3: ... approved for using Manufacturer SANIT product name KalkLöser and CitroPlus KalkLöser Manufacturer SOTIN product name Entkalker 212 212 W and 212 TW ZUIWA can not be held liable for damages on the device caused by the use of agents not listed herein Notes on the documentation This manual provides important information for a safe and correct operation of the DESCAL NIROSTAR 2000 A The manual is des...

Page 4: ...Store these instructions in such a way that they are accessible at all times for operating personnel In addition to these operating instructions the following documents of related components and of the pumping media should be applicated technical specifications material safety data sheets operating instructions Danger Danger of death due to electric shock Prior to work on the pump always disconnec...

Page 5: ...vents Warning Danger of burn due to hot motor casing Do not block neither suction nor pressure hose more than 1 minute to avoid overheating of the motor Warning Danger of chemical burn at contact with descaling agent Wear acid proof gloves when working with descaling agent Connect hose couplings tight and check for tightness regularly Collect spills and dispose off in accordance with manufacturers...

Page 6: ... water for 15 minutes Medical care is obligatory After swallowing Clean mouth with plenty of water Sip lots of water to dilute the acid Do NOT vomit Call a doctor immediately 3 2 2 Measures after accidental release of descaling agent Personal precautions Care for sufficient ventilation Avoid contact with skin or eyes Keep away unauthorised personnel Environmental protection Avoid agent from gettin...

Page 7: ...aximum operating pressure 5 bar 3 bar Maximum flow rate with water heat transfer medium 30 27 Ltr Min 30 27 Ltr Min Diameter return hose pressure hose Zoll Zoll Tank content 30 Ltr 30 Ltr Motor protection class IP 55 IP 55 Dimensions height width depth 985 495 555 mm 985 495 555 mm Weight without packaging empty tank 28 kg 28 kg 5 Transportation and unpacking After unpacking immediately check the ...

Page 8: ...e on a flat spot to avoid the device from tilting over 2 Connect filling hose to pump outlet 3 Connect return hose to tank 4 Fill tank Caution danger of chemical burn from leaking liquid Do not fill the tank with more than 50 with descaling agent The chemical reaction between agent and scale cause heavy foaming 5 Open tank lid to ensure the circulation of the air When working with heavily stained ...

Page 9: ...on panel for sedimentations In case the fine filter is clogged with stains stop working and clean the filter sieve as follows 6 1 Cleaning the filter during application Warning Danger of chemical burn through leaking liquid Collect agent with an appropriate cup and refill into tank Close ball valve beneath tank Turn on pump for 2 3 seconds Place cup beneath pressure relief valve and open the valve...

Page 10: ... the pump outlet you can release the pressure that is generated between pump outlet and fittings when flushing the pipe 2 Flush the pump with water Close ball valve at tank Connect a water hose with the rinsing device 1 and flush with working pump thoroughly Dispose off wash water and leftovers of the agent in accordance with the manufacturers instructions 3 Unscrew filling hose and return hose fr...

Page 11: ...Cleaning the filter There is a built in fine filter on the suction side of the pump to filter out sold and welder residues Check the vision panel at the filter regularly and clean the filter when you see dirt deposits on the strainer Screw off the filter casing remove the strainer and clean both with rinsing water or compressed air 9 3 Disassembling the pump 1 Disconnect line connections 2 Unscrew...

Page 12: ... bearing Remove old bearing and press in the new one Seals Replace O rings and push firmly into the recesses Replacing shaft gasket Remove retaining ring with suitable pliers Push out bearing and shaft gasket Push in new shaft gasket and bearing Insert retaining rings 9 5 Assembling the pump Assembly of the pump is the reverse of disassembly see exploded drawing Connect lateral disc with hole to t...

Page 13: ...ank outlet closed or tank empty Open ball valve or fill tank Impeller or lateral discs are worn Replace impeller or lateral discs Filter clogged Clean filter see chapter 9 2 Maintenance Pump does not build up pressure Ball valve at the tank outlet closed Open ball valve Liquid escapes from the pump Shaft gasket or O ring is missing or defective Check whether part is in place and insert or replace ...

Page 14: ...zuwa de DESCAL 11 Accessories Filter bags of nonwoven fabrics and lid with integrated hose connector Article code fleece filter set 132003 Article code Lid complete for filter bags 805531 Tool for changing the impeller Article code 11012400 Remote control with 10 metre cable Article code 80283 ...

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