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PAUL

®

station

manual

page 19

PAUL Station Manual 2019-08-02

www.waterbackpack.org

4.5 Overfill Protection Switch (OPS) for the Raw Water Tank

The

O

verfill

P

rotection

S

witch (

OPS

) is to be installed in the RWT. This switch

determines the maximum water level at which the feed pump must be switched
off. By this, overfilling of the RWT will be prevented.

Concerning the necessary connections, please refer to the instructions provided
with the OPS. The black wire is the zero connector. We recommend to test
whether the blue or the brown wire is to be used besides the black wire.

4.6 Run-Dry Protection Switch (RPS)

It is highly recommended to prevent the feed pump that is used for raw water
pumping from running dry. This can be done by using a

R

un-dry

P

rotection

S

witch (

RPS

) and realize the wiring according to this task, which means that the

black wire is used and the second wire to be used is the opposite one com-
pared with the wiring needed for overfill prevention at the OPS. We recommend
to test whether the blue or the brown wire is to be used besides the black wire.

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Содержание PAUL

Страница 1: ...The WaterBackpack Company GmbH PAUL Station Manual 2019 08 02 www waterbackpack org 02 08 2019 PAUL Station Manual assembly start up operation and maintenance last modified 02 08 2019...

Страница 2: ...PAUL station manual PAUL Station Manual 2019 08 02 www waterbackpack org 02 08 2019...

Страница 3: ...tive to the PAUL unit 8 4 Assembly 9 4 1 Set 1 to connect the Raw Water Tank with PAUL 9 4 1 1 Overview 9 4 1 2 Mounting the tank connector on the Raw Water Tank 9 4 1 3 Connecting the Raw Water Tank...

Страница 4: ...n capacity 24 6 3 Monthly 25 6 3 1 Cleaning of the FWT 25 6 4 Undefined frequency 26 6 4 1 Cleaning the RWT 26 6 4 2 Cleaning the membrane module 26 7 Troubleshooting 27 7 1 Waterlevel in PAUL is too...

Страница 5: ...n the RWT 11 Figure 7 LWS box 13 Figure 8 All parts that come with set 2 including water meter left and float valve for the FWT right and how to connect 14 Figure 9 Connection between PAUL and the Fil...

Страница 6: ...on between RWT and PAUL RWT connection with diameter 34 Table 2 List of parts included in set 1 connection between RWT and PAUL RWT connection with 1 diameter 35 Table 3 List of parts included in set...

Страница 7: ...essential to be able to tap large amounts of water in a short time As the filtration process in PAUL is steady but slow two additional tank are necessary a Raw Water Tank RWT that stores the raw water...

Страница 8: ...ollowing tools see also Figure 1 in the RWT the OPS i e Overfill Protection Switch an electrical switch in a float is used that switches off the electrical raw water pump if the water level exceeds an...

Страница 9: ...to this minimum scope of delivery the following items are available and recommended depending upon the local circumstances set 1 connecting the RWT to PAUL set 2 connecting PAUL to the FWT set 3 outle...

Страница 10: ...ker Although we recommend to solve the issue of water supply locally see chapter 3 2 on special request we can also provide 12 V DC pump and the matching solar panel Please note If you ordered PAUL to...

Страница 11: ...ood quality However it is a mini mum requirement to check concerning heavy metals arsenic and fluoride at least as a grab sample Also the concentration on iron and manganese should be analyzed Advice...

Страница 12: ...l ac cessories mentioned in chapter 2 Also important hints are given Of course except PAUL and the OPV everything can also be purchased locally provided it has the same functionality However we assess...

Страница 13: ...8 2019 3 5 Scope of delivery This varies of course depending upon order However in chapter 9 all single parts are listed an specified so it is a good idea to first check the delivery for completeness...

Страница 14: ...om of PAUL and the inlet into the FWT will increase the transmembrane pressure TMP This results in higher flow but it also might speed up pore blocking in the membrane so please do not use this simple...

Страница 15: ...re the filter is easily accessible see also chapter 4 1 3 The valve is necessary to stop the water flow during filter cleaning so the valve should be mounted close to the fil ter Connect the RWT conne...

Страница 16: ...even if filterd at the pump inlet there will be settleable solids They will accumulate at the bottom of the RWT Thus it is recommended to place the RWT connector a little higher above the bottom of th...

Страница 17: ...he threaded pipe with external thread as can be seen from the left side of Figure 5 From inside the tank push this left part of the connector together with the seal on the threaded pipe with external...

Страница 18: ...with the PAUL unit and thus carefully decide where to cut the hose regarding the following issues the water filter has to be placed horizontal with the sieve facing downward see Figure 3 please regard...

Страница 19: ...seen in Figure 7 Figure 7 LWS box If desired which might be the case in many situations the wire can easily be extended to the desired length e g by placing the LWS box in a nearby flat etc The LWS op...

Страница 20: ...reconnect it after PAUL is filled up again 4 2 Set 2 to connect PAUL with the Filtered Water Tank 4 2 1 Overview Figure 8 shows how to connect all parts that come with set 2 Figure 8 All parts that c...

Страница 21: ...Connection between PAUL and the Filtered Water Tank installation scheme Figure 10 Connection between PAUL and the Filtered Water Tank set 2 what comes with PAUL and how to mount the water meter PAUL S...

Страница 22: ...nner diameter of 10 mm This is essential Do not use a hose with a bigger inner diameter because this could affect the flow of water through PAUL Note Observe the height arrangements according to chapt...

Страница 23: ...and or optional also the bottom out let in the bottom of PAUL is used to flush the slurry that PAUL retains and stores inside PAUL This has to be done from time to time depending upon the solids cont...

Страница 24: ...p In standard operation fix the end of the hose higher than PAUL is so no water will flow out of the hose As the hose is transparent you can exactly see and observe the water level inside PAUL This is...

Страница 25: ...with the OPS The black wire is the zero connector We recommend to test whether the blue or the brown wire is to be used besides the black wire 4 6 Run Dry Protection Switch RPS It is highly recommende...

Страница 26: ...w see Figure 13 is not tightened too hard Figure 13 OPV for PAUL If the screw is too tight the arm with the float cannot move freely which results in that it might stay in the open position although w...

Страница 27: ...look like can be seen in Figure 15 Figure 14 OPV with rotated float arm transport position Figure 15 OPV correct adjusted 5 2 Start up of the PAUL station After having assembled everything please cle...

Страница 28: ...it again fill FWT without tapping water and check whether the SV in the FWT inlet closes properly when the FWT is full this will take some time depending upon the volume of the FWT but the PAUL stati...

Страница 29: ...t is mounted between the Raw Water Tank and PAUL should be checked daily If it is obstructed please clean carefully If cleaning of the sieve is frequently necessary due to a high Suspended Solids cont...

Страница 30: ...a FWT is connected the float valve at the FWT inlet must be fully open 3 Note all digits of the water meter including the three red ones see Figure 16 and the exact date and time seconds Figure 16 me...

Страница 31: ...the treatment method and thus has nothing to do with the PAUL waterbackpack However we would like to remind users that it is necessary to clean and disin fect these tanks from time to time We recomme...

Страница 32: ...t need special care or attendance in special situations it might be favourable to also clean the membrane module from time to time This can be done with a chlorine solution of ca 5 ppm available chlor...

Страница 33: ...eck OPV and remove dirt See also chapter 5 1 and Figure 13 If this does not help you might also try the following A larger filter unit or a larger hose diameter in the connection between RWT and PAUL...

Страница 34: ...he mechanism explained in chapter 6 disassembly and re assembly can be con ducted following the steps that are explained hereafter You will need an Inbus 5 tool for the 4 screws that hold the cover St...

Страница 35: ...art which is a horizontalframe see white arrow below the 2 foam plates that were just removed Now it looks like on these photos Please note that the 4th foam holding part also is a horizontalframe tha...

Страница 36: ...e white foam holding on this photo Notethat below the membrane module as the basis for the module there is anotherframe 5th and last part of the white foam holding that is identical with the 4th part...

Страница 37: ...you cannot see through them possible reasons might be Cleaning was not done properly see chapter 6 2 1 Too much transmembrane pressure i e the height difference between PAUL and the FWT massively exce...

Страница 38: ...ation 8 1 Chlorine dosing Please find a sample leaflet from a usual chlorine tablet Please note that with any chlorine you obtain a similar leaflet must be included and always refer to that product sp...

Страница 39: ...with at least 50 Liter of clean water the membrane module must be immersed Use a chlorine concentration in this water at about 1 mg Liter 1 ppm ac tive chlorine Example If PAUL is filled with 50 Liter...

Страница 40: ...standard unit and the OPV which is already mounted on PAUL if ordered together or can easily be mounted onsite there are 4 addi tional sets of accessories whose assembly is described in CHAPTER Pleas...

Страница 41: ...Station Manual 2019 08 02 www waterbackpack org 02 08 2019 Table 2 List of parts included in set 1 connection between RWT and PAUL RWT connection with 1 diameter Table 3 List of parts included in set...

Страница 42: ...in set 3 outlet FWT Table 5 List of parts included in set 4 side outlet with hose In addition there are float switches available that are intended for OPS Overfilling prevention switch of the RWT RPS...

Страница 43: ...___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___...

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