About these instructions These instructions describe the installation, commissioning, function and operation of the separation system M DN 20. The chapters called [specialist] are intended for specialists only. For other components of the solar installation, such as pumps, collectors, storage tanks or expansion tanks, please observe the instructions of the corresponding manufacturer.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de About this product The station is a premounted group of fittings checked for tightness and used to transfer the heat from the primary or solar circuit to the secondary or storage tank circuit.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Designated use The station may only be used as a separation system between the solar and the heating circuit in solar thermal systems taking into consideration the technical limit values indicated in these instructions.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 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].
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de CAUTION Personal injury and damage to property due to overpressure! By closing the two ball valves in the primary circuit, the safety group is separated from the heat exchanger.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 3 Assembly and installation [specialist] The location of installation must be dry, load-carrying, frost-proof and protected against ultraviolet radiation. Furthermore, the access to the control and safety equipment must...
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 6. Connect the station to the installation by using the piping: ① Solar flow from the collector ② Solar return to the collector ③...
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Controller connection WARNING Risk to life and limb due to electric shock! Prior to commencing electrical work on the controller, pull the mains plug! ...
There is thus a risk of late frost damage when flushing with water. Therefore, flush and fill the solar installation only with the solar fluid used later. Only use the original HT fluid from CitrinSolar as solar fluid. NOTICE...
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Preparations before flushing and filling NOTICE Note regarding the expansion tank To prevent that dirt particles of the solar system are washed into the expansion tank, some manufacturers recommend to disconnect the expansion tank from the solar circuit during flushing and filling.
Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Flushing and filling the solar circuit The fill and drain valves necessary to flush and fill the installation are integrated in the station.
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Airstop The Airstop with manual vent valve is used to vent the solar installation. To ensure a perfect venting of the solar circuit, the flow velocity in the flow line must be at least 0.3 m/s.
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 1. Disconnect the expansion tank from the solar installation. This avoids that dirt particles still present in the pipes are washed into the expansion tank.
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 11. If necessary, reduce the pressure at the drain valve [h] to the system-specific pressure. 12. Connect the expansion tank to the solar circuit...
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CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 18. Remove the hoses of the flush and fill station and screw the sealing caps onto the fill and drain valves.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 5 Maintenance [specialist] Depressurise the installation for service and maintenance work on the station. WARNING Risk of burning and scalding! The valves, fittings and the solar fluid can heat up to more than 100 °C.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Draining the solar system 1. Switch off the controller and make sure that a restart is not possible.
CitrinSolar GmbH Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 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 in the upper right corner of the support sheet of the station.
Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de 8 Function of the check valves [Expert] Within their application range, the check valves of this station prevent unwanted gravity circulation.
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Böhmerwaldstr. 32; D-85368 Moosburg Phone: +49 (0) 87 61 – 33 40 0; Fax: 33 40 40 www.citrinsolar.de / info@citrinsolar.de Do you need to know it exactly? The density of the solar fluid decreases considerably with rising temperature. In the case of high installations and large temperature differences, the difference in density causes gravity circulation.
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