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2020-09-16
EN
0000000311
V.005
X.50.0
93123-001
Twin Screw
Agitator
Operating Instructions

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Summary of Contents for eta Twin Screw Agitator

  • Page 1 2020-09-16 0000000311 V.005 X.50.0 93123-001 Twin Screw Agitator Operating Instructions...
  • Page 2 ETA Heiztechnik Gewerbepark 1 A-4716 Hofkirchen an der Trattnach Tel: +43 (0) 7734 / 22 88 -0 Fax: +43 (0) 7734 / 22 88 -22 info@eta.co.at www.eta.co.at...
  • Page 3: Table Of Contents

    Contents General ................4 General information .
  • Page 4: General

    Copyright Mount the components (e.g., screws or nuts) All contents of this document are property of ETA by hand only, without tools. Heiztechnik GmbH and are protected by copyright. Any reproduction, transfer to third parties or use for Tighten the components (e.g., screws or...
  • Page 5: Warranty, Guarantee And Liability

    For repairs of defects carried out by the customer or by complied with. a third party, ETA shall only bear the costs or remain obligated by warranty if this work was approved in writing in advance by the customer service of ETA Observe local building and fire safety regulations Heiztechnik GmbH.
  • Page 6: Technical Data

    Technical data Technical data Fig. 2-1: Side view Fig. 2-2: Top view www.eta.co.at...
  • Page 7 2 x 1.1 Number of spring arms Fill height H < 5 Inclination α < 15° Deviations from these specifications are only possible in consultation with ETA Heiztechnik GmbH. Agitator for pellets Discharge Unit BG 1 BG 2 BG 2.5 closed trough - total length L <...
  • Page 8: Overview

    Overview Overview Twin screw agitator with articulated arm Spring arms Agitator with articulated arm (variants with leaf spring or double articulated arm are also possible) Open trough Closed trough Safety switch (detects whether the maintenance cover is open or closed)
  • Page 9: Installation

    The following description depicts the installation of a The drive shaft is located in the guide pipe from twin screw agitator with articulated arm. The illustra- factory. Affix seals to the flanges. tions are representative of all versions of this discharge.
  • Page 10 Adjust the inclination of the gear unit using the support stands and tighten the screws hand-tight at first. Fig. 4-7: Support stands Fig. 4-10: Closed part of the trough www.eta.co.at...
  • Page 11 Installation Grease the drive stub of the conveyor screw with Mount the screw and slowly pull the conveyor Stauffer grease. screw into the bearing. Never force the conveyor screw into the bearing. Then tighten the screw. Fig. 4-11: Drive stub The grease protects the connection against moisture and thus prevents rust.
  • Page 12 Fig. 4-17: Seal Installing the drop chute Grease both drive stubs of the conveyor screw with Stauffer grease and connect them. Make sure that the winding is continuous. Make sure that the winding is continuous. Fig. 4-18: Start screw www.eta.co.at...
  • Page 13 Installation Install the drop chute on the trough. Fasten the ball joint connection on the drop chute with the threaded rods. Only hand-tighten the nuts initially. Fig. 4-19: Drop chute Attach a seal to the flange. Repeat installation for the second discharge Mount the troughs and conveyor screws for the second boiler in the same way.
  • Page 14 If multi-part spring arms are fixed, the elements cannot move when they meet resistance. The spring arms thus cannot compensate for such stresses and break off.  The spring arms are pre-assembled at the factory. Fig. 4-24: Cover plate Do not tighten or loosen the connecting screws. www.eta.co.at...
  • Page 15 Installation Checking the floor distance Turn the discharge by hand until the end of the leaf spring reaches the lowest point in the storeroom. The clearance between the spring arm and the floor must be a minimum of 10 mm. Fig.
  • Page 16 Mounting the fastening for the guide pipe At first, mount the fastening only hand-tight on the guide pipe. Fig. 4-32: Support stands Installing the agitator drive Align the drive shaft with the drive using the feather key. Fig. 4-31: Fastening Fig. 4-33: Drive www.eta.co.at...
  • Page 17 Installation Slide the drive onto the drive shaft and fasten it. Installing the bleed screw Tighten the screws alternately and evenly. The gearbox is already filled with oil from factory and closed with a plug screw. Remove this plug screw and keep it with the gearbox in event of a return, so that oil does not run out.
  • Page 18: Electrical Connections

     Only flexible stranded conductors may be used for the wiring. Safety devices Observe the necessary safety devices for the heating system. Further information about this can be found in the boiler's installation instructions. www.eta.co.at...
  • Page 19: Configuration

    The extension circuit board [HE-C] is located in the wall housing of the control extension. The power supply must be provided according to the circuit diagram supplied. In the same way all safety devices must be integrated into the safety chain of the boiler, they are also listed in the circuit diagram. Fig. 6-1: Twin screw agitator...
  • Page 20 Set the fuel type used Conveyor type Special conveyor Circuit Function blocks Description board HE-C 0 Agitator Floor agitator [Agitator drive] with 3-phase motor Connections Producers Consumers HE-C 0: Agitator: Woodchips HA-C 0: Boiler: Fuel HA-C 1: Boiler1.1: Fuel www.eta.co.at...
  • Page 21: Concluding Activities

    Concluding activities Concluding activities In the function block of the boiler, switch to the inputs Checking the drive connection data in the control and outputs menu. Select the stoker unit [Stoker unit] system and press the button for manual operation. Only Check the connection data of the drive based on the start the discharge drive with the [Fwd] button.
  • Page 22 In the function block of the agitator, switch to the inputs and outputs menu. Select the drive [Agitator drive] and Fig. 7-6: Correct direction of rotation press the button for manual operation. Only start the discharge drive with the [Fwd] button. Fig. 7-5: Menu for manual operation www.eta.co.at...
  • Page 23 Circuit diagram Circuit diagram...
  • Page 24 Twin screw agitator Two wood chip boiler with a common agitator (ETAtouch) Datum 31.08.2016 Cover sheet Kommision Auftrags / Artikel-Nr.: Dateiname: 'RSSHOVFKQHFNHQ5KUZHUNB(1 Bearb. 15.09.2020 93521-001 Gepr. Ersteller Version Zeichnungs-Pfad Blatt bQGHUXQJ 1?5HJHOXQJ?:DQGNlVWHQ?'RSSHOVFKQHFNHQ5KUZHUN Datum Name Norm Urspr.: Ers. f. Ers. d.
  • Page 25 On site Emergency stop switch provided by customer : [PPð : [PPð On site On site Emergency stop switch boiler 1 Emergency stop switch boiler 2 HA-C HA-C Emergency stop contact for boiler have to wire from K1 on site! HE-C CAN bus boiler 1 CAN bus boiler 2...
  • Page 26 www.eta.co.at...
  • Page 28 DOWNLOAD www.eta.co.at...

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