PAW SolarBloC midi 2D Installation And Commissioning Instructions
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PAW SolarBloC midi 2D Installation And Commissioning Instructions

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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: info@paw.eu, Web: www.paw.eu
Installation and Commissioning
Instructions
SolarBloC midi 2D – DN 20
2020/10
997655910x-mub-en – V09
1

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Summary of Contents for PAW SolarBloC midi 2D

  • Page 1 PAW GmbH & Co. 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 Installation and Commissioning Instructions SolarBloC midi 2D – DN 20 2020/10 997655910x-mub-en – V09...
  • Page 2 Translation of the original instructions PAW GmbH & Co. KG We reserve the right to make technical changes without notice! Böcklerstraße 11 Printed in Germany – Copyright by PAW GmbH & Co. KG 31789 Hameln, Germany 997655910x-mub-en – V09 2020/10...

  • Page 3: Table Of Contents

    1 General Information Contents General Information ......................4 About these instructions ....................4 About this product ......................4 Designated use ......................5 Safety instructions ......................6 Mounting and installation [specialist]] ................8 Commissioning [specialist] ..................... 11 Flushing and filling the solar circuit ................12 Preparations before flushing ..................

  • Page 4: General Information

    About these instructions These instructions describe the installation, commissioning, function and operation of the 3-line solar stations SolarBloC midi 2D (DN 20) for installations with 2 roofs. The chapters called [specialist] are intended for specialists only. For other components of the solar installation, such as collectors, storage tanks, expansion tanks and controllers, please observe the instructions of the corresponding manufacturer.

  • Page 5: Designated Use

    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.

  • Page 6: Safety Instructions

    2 Safety instructions 2 Safety instructions The installation and commissioning as well as the connection of electrical components require technical knowledge commensurate with a recognised vocational qualification as a fitter for plumbing, heating and air conditioning technology, or a profession requiring a comparable level of knowledge [specialist].
  • Page 7 2 Safety instructions CAUTION Personal injury and material damage due to overpressure! Closing both ball valves in the primary circuit will separate the safety group from the heat exchanger. A rise in temperature in the storage tank may result in high pressures, which may lead to personal injury and material damage! ...

  • Page 8: Mounting And Installation [Specialist]]

    3 Mounting and installation [specialist]] 3 Mounting and installation [specialist]] 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 sufficient distance from the collector field. It may be necessary to install an intermediate tank in order to protect the expansion tank.
  • Page 9 3 Mounting and installation [specialist]] 1. Remove the station from the packaging. 2. Take off the insulating front shells. 3. Screw the connecting piece [6] onto the return connections of the 2-line station and the 1-line station (see figure). 4. Copy the mounting holes of the solar station besides the thermometers to the mounting surface.
  • Page 10 3 Mounting and installation [specialist]] 7. Connect the pipe for the expansion tank below the pressure gauge [7.5] and fix the bracket for the expansion tank. 8. Adapt the initial pressure of the expansion tank to the system and connect the expansion tank.

  • Page 11: Commissioning [Specialist]

    4 Commissioning [specialist] 4 Commissioning [specialist] Please observe the following safety instructions regarding the commissioning of the station: WARNING Risk of burning and scalding! The valves and fittings may heat up to more than 100 °C. Therefore, do not clean or fill the system when the collectors are hot (intense sunshine).

  • Page 12: Flushing And Filling The Solar Circuit

    4 Commissioning [specialist] Flushing and filling the solar circuit The fill and drain valves necessary to flush and fill the installation are 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°...
  • Page 13 4 Commissioning [specialist] Airstop The Airstop with manual vent valve is used to vent the solar system. To ensure a perfect venting of the solar circuit, the flow velocity must be at least 0.3 m/s in the flow line. Pipe diameter [mm] Flow rate at 0.3 m/s ∅...

  • Page 14: Preparations Before Flushing

    4 Commissioning [specialist] Preparations before flushing The solar circuit is flushed in the direction of flow. 1. Disconnect the expansion tank from the solar system. Observe the separate instructions for the expansion tank! 2. Close the return ball valves [1.2ￜ7.2] (90°, see page 12). 3.

  • Page 15: Flushing And Filling

    4 Commissioning [specialist] Flushing and filling 1. Open the fill and drain valves [7.4|9.2]. 2. 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).
  • Page 16 4 Commissioning [specialist] 9. Close the drain valve [9.2] while the filling pump is running and increase the system pressure to about 5 bars. The system pressure is displayed on the pressure gauge. 10. Check the pressure gauge to see whether the system pressure reduces and eliminate leaks where necessary.
  • Page 17 4 Commissioning [specialist] WARNING Risk to life and limb due to electric shock!  Check whether the sensors and pumps have been connected to the controller and the controller housing is closed. Only then, the mains plug of the controller can be plugged into a socket. 15.

  • Page 18: Setting The Solar Installation

    4 Commissioning [specialist] 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).

  • Page 19: Maintenance [Specialist]

    5 Maintenance [specialist] 5 Maintenance [specialist] Draining the solar system 1. Switch off the controller and secure it against being switched on again. 2. Open the check valves in the return ball valves [1.2I7.2], by turning them to 45° position (45°, see page 12). 3.

  • Page 20: Spare Parts [Specialist]

    6 Spare parts [specialist] 6 Spare parts [specialist] NOTICE 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 28.
  • Page 21 6 Spare parts [specialist] Position Spare part Item number Flow ball valve DN 20, ¾" int. thread x ¾" int. thread, N00291 solar check valve Dial thermometer, red scale, d = 50 mm, 0-160 °C N00193 Return ball valve DN 20, ¾" int. thread x F ¾" x ¾" ext. thread N00290 on the right, solar check valve Dial thermometer, blue scale, d = 50 mm, 0-160 °C...

  • Page 22: 1-Line Station

    6 Spare parts [specialist] 1-line station 997655910x-mub-en – V09 2020/10...
  • Page 23 6 Spare parts [specialist] Position Spare part Item number Solar pressure relief valve ½" x ¾", MSV 6 bars N00300 Dial thermometer, blue scale, d = 50 mm, 0-160 °C N00194 Pressure gauge 0-6 bars / 0-90 psi, with automatic isolation ⅜" N00301 ext.

  • Page 24: Technical Data And Pressure Drop Curve

    7 Technical data and pressure drop curve 7 Technical data and pressure drop curve Dimensions Total height 493 mm Total width 584 mm Depth 152 mm Centre distance, flow / return 100 mm Centre distance, return / return 250 mm Pipe connections ¾”...
  • Page 25 7 Technical data and pressure drop curve 2020/10 997655910x-mub-en – V09...

  • Page 26: Function Of The Check Valves [Expert]

    8 Function of the check valves [Expert] 8 Function of the check valves [Expert] The check valves in this station prevent unwanted gravity circulation within their range of use. The functioning of the check valves depends: on the system height •...
  • Page 27 8 Function of the check valves [Expert] Do you need to know it exactly? The density of the solar fluid strongly decreases with increasing temperature. In systems of high system heights and with large temperature differences, the difference in density causes gravity circulation.

  • Page 28: Commissioning Report

    9 Commissioning report 9 Commissioning report System operator Location of installation Collectors (number / type) Collector surface m² (Height difference between System height the station and the collector field) Pipeline ⌀ Venting (collector field) ⃞ Manual vent valve ⃞ Automatic vent valve ⃞...

  • Page 29: Disposal

    10 Disposal 10 Disposal NOTICE Electrical and electronic devices must not be disposed of in the household waste. For your return, there are free collection points for electrical appliances and, if necessary, additional points of acceptance for the reuse of the devices in your area.
  • Page 30 10 Disposal 997655910x-mub-en – V09 2020/10...
  • Page 31 10 Disposal 2020/10 997655910x-mub-en – V09...
  • Page 32 PAW GmbH & Co. KG www.paw.eu Böcklerstraße 11 Phone: +49 5151 9856 - 0 31789 Hameln, Germany Fax: +49 5151 9856 - 98 997655910x-mub-en – V09 2020/10...

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Dn 20

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