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PAW DN 20, Инструкции по установке и вводу в эксплуатацию

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1 General Information 

 

 

 

2020/10 

997655810x-mub-en – V08

 

5 

1.3

 

Designated use 

The solar station may only be used in solar thermal systems as a pump station in the solar 
circuit, taking into consideration the technical limit values indicated in these instructions.  
Due to its design, the station may only be installed and operated as described in this manual!  
Improper usage excludes any liability claims. 
Only use PAW accessories with the solar station. 

 

 

 

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 collector 
temperatures are below 70 °C. 

Содержание DN 20

Страница 1: ... KG Böcklerstr 11 31789 Hameln Germany Phone 49 5151 9856 0 Fax 49 5151 9856 98 E Mail info paw eu Web www paw eu 2020 10 997655810x mub en V08 1 Installation and Commissioning Instructions SolarBloC midi 2S DN 20 ...

Страница 2: ...Item no 997655810x mub en Version V08 Issued 2020 10 Translation of the original instructions We reserve the right to make technical changes without notice Printed in Germany Copyright by PAW GmbH Co KG PAW GmbH Co KG Böcklerstraße 11 31789 Hameln Germany ...

Страница 3: ...alist 11 4 1 Flushing and filling the solar circuit 12 4 2 Preparations before flushing 14 4 3 Flushing and filling 15 4 4 Setting the solar installation 18 5 Maintenance specialist 19 5 1 Draining the solar system 19 5 2 Deinstallation 20 6 Spare parts specialist 21 6 1 2 line station 21 6 2 1 line station 23 7 Technical data and pressure drop characteristic curve 25 8 Function of the check valve...

Страница 4: ...xpansion 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 two wall brackets and fixed with clips The station contains important components and safety devices for the operation of the installatio...

Страница 5: ... these instructions Due to its design the station may only be installed and operated as described in this manual Improper usage excludes any liability claims Only use PAW accessories with the solar station 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...

Страница 6: ...n instructions and safety instructions mentioned in these instructions WARNING Danger 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 instru...

Страница 7: ...ball valves for service and maintenance ATTENTION Material damage due to mineral oils Mineral oil products cause lasting damage to seals made of EPDM whereby the sealant properties are lost We do not assume liability nor provide warranty for damage to property resulting from sealants damaged in this way It is imperative to prevent the EPDM sealing elements from making contact with substances conta...

Страница 8: ...luded in the scope of delivery Accessories compression fitting 1 Push the union nut and the cutting ring onto the copper pipe The pipe must protrude at least 3 mm from the cutting ring 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 co...

Страница 9: ...figure 4 Copy the mounting holes next to the thermometers of the solar station to the mounting surface 5 Drill the holes and mount the solar station to the wall with appropriate wall plugs and screws 6 Connect the solar station to the installation by using the pipes return to the collector field return from storage tank 2 return from storage tank 1 flow towards storage tank 1 and 2 flow from the c...

Страница 10: ...he expansion tank 9 Check all thread connections and tighten them if necessary WARNING Risk to life and limb due to electric shock Prior to commencing electrical work on the controller pull the mains plug Only after completing all installation work as well as the flushing and filling the mains plug of the controller can be plugged into a socket This avoids an unintentional start of the motors 10 C...

Страница 11: ...lar 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 propylene glycol mixture with max 50 of propylene glycol as solar fluid ATTENTION Note regarding the commissioning sequence During commissioning fill the heating ci...

Страница 12: ...e integrated 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 flow check valve normal flow direction in the figure downwards 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 through flow 14 ...

Страница 13: ...upper part of the Airstop and can be released at the vent plug 4 2 WARNING Danger of scalding due to escaping vapour The escaping medium can have a temperature of more than 100 C and cause scalding Carefully open the vent plug and close it again as soon as medium escapes Venting the solar installation after commissioning At the beginning vent the solar installation daily and then weekly or monthly...

Страница 14: ... expansion tank from the solar system Observe the separate instructions for the expansion tank 2 Close the return ball valves 1 2 7 1 90 see page 12 3 The ball valve in the flow line 5 2 and the ball valves in the flow meters 3 1ￜ9 1 must be open 4 Connect the fill station to the solar station Pressure hose to the fill valve 7 3 Flush hose to the drain valve 9 2 ...

Страница 15: ...econd storage tank circuit 3 2 6 Open the fill and drain valves 7 3 3 2 7 Put the flush and fill station into operation and flush the installation until clear solar fluid exits Vent the solar installation several times at the vent plug of the Airstop 4 2 until the solar fluid exits without bubbles see page 13 8 Slowly open the return ball valve 1 2 to vent the pump section see page 12 Consider the...

Страница 16: ... and set the operating pressure of the solar installation by means of the flush and fill station for the required operating pressure see instructions of the expansion tank 13 Close the fill and drain valves 7 3 9 2 3 2 14 Turn the check valves in the ball valves 1 2 5 2 7 1 into operating position 0 see page 12 ...

Страница 17: ... mode to Max according to the controller instructions Let the pump of the solar circuit run at maximum revolution speed for at least 15 minutes 16 Meanwhile vent the solar installation several times at the vent plug of the Airstop until the solar fluid exits without bubbles see page 13 If necessary increase the system pressure to the operating pressure 17 Remove the hoses of the flush and fill sta...

Страница 18: ...ry if the pump is not speed controlled Please observe the specifications of the collector manufacturer for the correct adjustment of the flow rate 2 Mount the insulating front shells of the solar station 3 Set the automatic mode on the controller see controller manual The commissioning of the solar installation is now completed Please fill in completely the commissioning log on page 29 Scale 3 22 ...

Страница 19: ... drain valves 3 2ￜ9 2 Make sure that the solar fluid is collected in a heat resistant container 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 To a...

Страница 20: ...n 1 Drain the solar thermal installation as described on page 19 2 Disconnect the pipe connections to the solar installation 3 To remove the solar station from the mounting plate pull out the clip springs laterally with a screwdriver 4 Remove the station by pulling it forward ...

Страница 21: ...E Complaints 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 29 6 1 2 line station ...

Страница 22: ...cale d 50 mm 0 160 C N00194 6 Union nut G 1 passage 28 1 mm wrench size 37 octagonal N00302 7 Sealing kit consisting of 10 pieces for thread connection 1 N00024 8 Alternative pumps Wilo Para ST 15 7 N00150 Wilo Para ST 15 13 N00299 Grundfos UPM3 Solar 15 75 N00025 Grundfos UPM3 Solar 15 145 N00215 9 Flow meter 3 22 l min DN 20 1 M x int thread x int thread with fill and drain valve N00225 Not show...

Страница 23: ...6 Spare parts specialist 2020 10 997655810x mub en V08 23 6 2 1 line station ...

Страница 24: ...0 Wilo Para ST 15 13 N00299 Grundfos 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 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 connection cable for Wilo Para ST 2 m U 24...

Страница 25: ...onnection for expansion vessel external thread flat sealing Outlet of pressure relief valve internal thread Operating data Max admissible pressure PN 10 Max operating temperature 120 C Max short time temperature 160 C 15 minutes Max propylene glycol content 50 Equipment Safety valve 6 bars Pressure gauge 0 6 bars Check valves 3 x 200 mm wc can be opened Flow meters 3 22 l min Materials Valves and ...

Страница 26: ...7 Technical data and pressure drop characteristic curve 26 997655810x mub en V08 2020 10 ...

Страница 27: ... prevent gravity circulation You can install for example syphons heat traps 2 way valves zone valves or additional check valves Example The station is equipped with two check valves per storage tank circuit 2 x 200 mm wc 400 mm wc You use a mixture of water and 40 strength propylene glyclol as solar fluid The installation height between collector and storage tank is 10 m Installation height in m T...

Страница 28: ...on This circulation can result in the storage tank cooling down Calculation example Δp Δρ g h Collector temperature 5 C Solar fluid density ρ1 1042 kg m Storage tank temperature 67 C Density of the solar fluid ρ2 1002 5 kg m Δρ ρ1 ρ2 39 5 kg m g 9 81 m s Installation height h 10 m Δp 3875 Pa 395 mm wc The two check valves per storage tank circuit in the station 2 x 200 mm wc are sufficient for an ...

Страница 29: ...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 Pumps 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 Check...

Страница 30: ... in your area The addresses can be obtained from your city 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 single components can also...

Страница 31: ...10 Disposal 2020 10 997655810x mub en V08 31 ...

Страница 32: ...PAW GmbH Co KG Böcklerstraße 11 31789 Hameln Germany www paw eu Phone 49 5151 9856 0 Fax 49 5151 9856 98 997655810x mub en V08 2020 10 ...

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