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PAW GmbH & Co. KG 

Böcklerstr. 11, 31789 Hameln, Germany 

Phone: +49-5151-9856-0, Fax: +49-5151-9856-98 

E-mail: [email protected], Web: www.paw.eu 

 

2020/09 

9976x0210x-mub-en – V01 

 

   

 

 

 

Installation and Commissioning Instructions 

Solar return stations 

SolarBloC

®

 midi Basic - DN 20 

SolarBloC

®

 maxi Basic - DN 25 

SolarBloC

®

 midi 

DN 20 

SolarBloC

®

 maxi 

DN 25 

Summary of Contents for SolarBloC maxi Basic DN 25

Page 1: ... 5151 9856 0 Fax 49 5151 9856 98 E mail info paw eu Web www paw eu 2020 09 9976x0210x mub en V01 1 Installation and Commissioning Instructions Solar return stations SolarBloC midi Basic DN 20 SolarBloC maxi Basic DN 25 SolarBloC midi DN 20 SolarBloC maxi DN 25 ...

Page 2: ...Deinstallation 14 6 Spare parts specialist 15 6 1 SolarBloC midi Basic DN 20 15 6 2 SolarBloC maxi Basic DN 25 17 7 Technical data and pressure drop characteristic curve 19 7 1 Pressure drop and pump characteristic curve SolarBloC midi Basic DN 20 21 7 2 Pressure drop and pump characteristic curve SolarBloC maxi Basic DN 25 21 8 Commissioning report 22 9 Disposal 23 Item no 9976x0210x mub en Versi...

Page 3: ...r installation such as collectors storage tanks expansion tanks and controllers please observe the instructions of the corresponding manufacturer 1 2 About this product The station is a premounted group of fittings checked for tightness and used to circulate the solar fluid in the solar circuit It is mounted on a wall bracket and fixed with a clip The station contains important components and safe...

Page 4: ...nstructions Due to its design the station may only be installed and operated as described in this manual Only use PAW accessories with the solar station Improper usage excludes any liability claims Under the influence of solar radiation the collectors will heat up considerably The solar fluid in the solar circuit may heat up to more than 100 C Only flush and fill the solar circuit when the collect...

Page 5: ...of scalding due to the escape of hot fluids With pressure relief valves there is a risk of scalding due to the escape of vapour or hot fluid Please ensure for each pressure relief valve that no personal injury or material damage may occur due to possibly escaping medium Install a discharge line Observe the instructions regarding the pressure relief valve The pressures calculated by the installatio...

Page 6: ...ive to prevent the EPDM sealing elements from making contact with substances containing mineral oils Use a silicone or polyalkylene based lubricant free of mineral oil such as Unisilikon L250L and Syntheso Glep 1 from Klüber or a silicone spray ATTENTION Material damage due to high temperatures Since the solar fluid near the collector can be very hot the group of fittings must be installed at a su...

Page 7: ...ng in order to ensure the force transmission and the sealing 2 Insert the support sleeve into the copper pipe 3 Insert the copper pipe with the plugged on individual parts and as far as possible into the body of the compression fitting 4 First screw the union nut manually 5 Tighten the union nut by rotating one full turn Secure the body of the compression fitting against distort in order to avoid ...

Page 8: ...hread connections have internal threads 6 In order to prevent unwanted circulation it is mandatory to mount an additional check valve in the flow on site Optionally available 7 Connect the pipe for the expansion tank below the pressure gauge 1 5 and fix the bracket for the expansion tank 8 Adapt the initial pressure of the expansion tank to the installation and connect the expansion tank Observe t...

Page 9: ...vapour and result in scalding Flush and fill the system only when the collector temperatures are below 70 C ATTENTION Risk of frost It often happens that solar systems cannot be completely drained after flushing Thus there is a risk of frost damage later on when flushing with water Therefore only use the solar fluid used later on for flushing and filling the solar installation Use a water propylen...

Page 10: ...ed in the solar station To flush the dirt particles out of the installation only use flush and fill stations with fine filters Ball valve with integrated check valve Flow direction in the figure upwards 0 45 90 Check valve is operating flow only in flow direction Check valve is not operating flow in both directions Ball valve closed no flow 14 ...

Page 11: ...the return ball valve 1 2 90 see page 10 3 The ball valve 3 1 at the flow meter must be open 4 Connect the fill station to the solar station Pressure hose to the fill valve 1 4 Flush hose to the drain valve 3 2 4 2 Flushing and filling 1 Open the fill and drain valves 1 4 3 2 2 Put the flush and fill station into operation and flush the installation until the solar fluid exits without bubbles 3 Du...

Page 12: ...e pressure relief valve 6 bars 6 Check the pressure gauge to see whether the system pressure reduces and eliminate leaks where necessary 7 Reduce the pressure at the drain valve 3 2 to the operating pressure 8 Connect the expansion tank to the solar circuit and set the operating pressure of the solar installation by means of the flush and fill station for the required operating pressure see instru...

Page 13: ... Their tightness is ensured by the closed ball valves 4 3 Setting the solar installation 1 Set the desired revolution speed of the solar pump depending on the required flow rate If necessary the flow rate can be reduced by the ball valve 3 1 only necessary if the pump is not speed controlled Please observe the specifications of the collector manufacturer for the correct adjustment of the flow rate...

Page 14: ...ner WARNING Danger of scalding due to hot solar fluid The escaping solar fluid can be very hot Position and secure the heat resistant collecting container such that persons nearby are not put at risk when the solar system is drained 4 Open the drain valve at the lowest point of the solar installation 5 Open the vent valve possibly present at the highest point of the solar installation 6 Dispose of...

Page 15: ...laints and requests orders of spare parts will only be processed with information on the serial number The serial number is placed on the safety group of the solar station In case of a complaint please send us the entirely completed commissioning report on page 22 6 1 SolarBloC midi Basic DN 20 ...

Page 16: ...rundfos UPM3 Solar 15 75 N00025 Grundfos UPM3 Solar 15 145 N00215 6 Flow meter 3 22 l min DN 20 1 M x int thread x int thread with fill and drain valve N00225 7 Sealing kit consisting of 10 pieces for thread connection 1 N00024 8 Union nut G 1 passage 28 1 mm wrench size 37 octagonal N00302 Not shown in drawing Pump cable for Wilo Para ST 2 m N00152 Pump cable for Grundfos UPM3 Solar N00199 PWM co...

Page 17: ...6 Spare parts specialist 2020 09 9976x0210x mub en V01 17 6 2 SolarBloC maxi Basic DN 25 ...

Page 18: ...lar 25 145 N00304 Grundfos Solar PML 25 145 N00226 6 Flow meter 1 5 40 l min DN 25 1 union nut x 1 int thread x int thread with fill and drain valve N00227 7 Union nut G 1 passage 42 mm wrench size 52 octagonal N00269 8 Sealing kit consisting of 10 pieces 1 for thread connection 1 N00036 Not shown in drawing Pump cable for Wilo Para ST and Grundfos Solar PML 2 m N00152 Pump cable for Grundfos UPM3...

Page 19: ...connections internal thread 1 internal thread Connection for expansion tank external thread flat sealing Outlet of pressure relief valve internal thread Operating data Max admissible pressure 6 bars Max operating temperature 120 C Max short time temperature 160 C 15 minutes Max propylene glycol content 50 Equipment Pressure relief valve 6 bars Pressure gauge 0 6 bars Check valve 200 mm wc can be o...

Page 20: ...7 Technical data and pressure drop characteristic curve 20 9976x0210x mub en V01 2020 09 SolarBloC midi Basic DN 20 SolarBloC maxi Basic DN 25 ...

Page 21: ...0 09 9976x0210x mub en V01 21 7 1 Pressure drop and pump characteristic curve SolarBloC midi Basic DN 20 Pressure m wc Pressure kPa Flow rate l h 7 2 Pressure drop and pump characteristic curve SolarBloC maxi Basic DN 25 Pressure m wc Pressure kPa Flow rate l h ...

Page 22: ...ield Pipeline mm l m Venting collector field Manual vent valve Automatic vent valve No Vented Bleeding device station Vented Solar fluid type glycol Antifreeze checked up to C Serial numbers Flow rate l m Station Pump type Controller Pump speed level I II III System pressure mbar Software version Expansion tank type Initial pressure mbar Restrictor position Safety valve Checked Check valves Checke...

Page 23: ... the devices The addresses can be obtained from your municipal or communal administration If the old electrical or electronic device contains personal data you are responsible for deleting it before returning the device Batteries and rechargeable batteries must be removed prior to the disposal of the product Depending on the product equipment partly with optional accessories individual components ...

Page 24: ...9976x0210x mub en V01 2020 09 PAW GmbH Co KG Böcklerstraße 11 D 31789 Hameln Germany www paw eu Phone 49 5151 9856 0 Fax 49 5151 9856 98 ...

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