Viadrus G 90 Operation And Installation
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Viadrus G 90 Operation And Installation

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VIADRUS G 90
Hercules U26
MANUAL FOR BOILER OPERATION
Návod k obsluze
AND INSTALLATION

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  • Page 1 VIADRUS G 90 Hercules U26 MANUAL FOR BOILER OPERATION Návod k obsluze AND INSTALLATION...

  • Page 2: Table Of Contents

    Table of contents: page Purchase order and accessories .......................3 Purchase order ..........................3 Delivery a accessories ........................3 Boiler usage and advantages ........................4 Boiler technical data ...........................4 Description ..............................6 Boiler construction ..........................6 The boiler assembly ..........................6 Regulation ..............................9 Control, security and regulating elements..................9 Electrical diagrams .........................

  • Page 3: Purchase Order And Accessories

    Delivery a accessories Delivery VIADRUS G 90 boiler is delivered on a pallet equipped with a cardboard package and as a standard in a composed state equipped only with a network module. At request a delivery in a decomposed state is possible.

  • Page 4: Boiler Usage And Advantages

    Boiler usage and advantages Cast-iron sectional gas boiler VIADRUS G 90 is equipped with law-emission atmospheric burner and is intended for burning pf low-pressure natural gas. The boiler is made in B design it means it is equipped 11BS with combustion gases reflux fuse. It is suitable first of all for heating the middle–sized and bigger premises.
  • Page 5 Tab. no. 2 Thermal parameters of boiler (heating value 33,99 MJ. m , gas temperature 15°C and bar. air pressure 1013,25 mbar) Number of sections Rated thermal output max. Rated thermal output min. Rated thermal output max Rated thermal output min Volume gas flow at the maximum thermal output 7,16 9,25...

  • Page 6: Description

    Description Boiler construction The main boiler segment is the iron-cast sectional boiler drum made of grey cast-iron in compliance with: EN 1561 cast-iron 200 The pressure segments of the boiler conform to the strength requirements in compliance with: EN 656 Gas –...
  • Page 7 Gas inlet Number of sections L [mm] 1155 1315 1555 L1 [mm] 1135 1375 A [mm] 878,5 D [mm] Fig. no. 2 The main dimensions of the boiler...
  • Page 8 1 – boiler drum 2 – boiler shell 3 – regulation and safety elements 4 – gas fitting 5 – horizontal draught diverter 6 – atmospheric burner Fig. no. 3 Boiler assembly...

  • Page 9: Regulation

    Regulation Control, security and regulating elements. As a standard the boiler is delivered without the supreme regulation and is equipped with a control panel incl. a network module. The manufacturer doesn’t recommend to operate the boilers without the supreme regulation. The standard version (without the regulation) is designed for the customers who have their own boiler control system.
  • Page 10 A1 – RVA 43. 222 EQUITHERM REGULATOR is a boiler and heating circuit regulator for a double stage burner incl. the possibility to prepare HWS (hot supply water), with a pump heating circuit (without the mixing valve). Other regulator characteristics are as follows: •...
  • Page 11 The boiler by customer´s request can be equipped with the security gas fitting: 1. VALVES FOR BOILER with 8-sections - HONEYWELL VR 4601 QB 2001 WITH HIGH – LOW REEL (COIL) and a smooth start with an output at the pilot burner 2.
  • Page 12 3. DUNGS MB-ZRDLE 412, A TWO-STAGE ELECTROMAGNETIC VALVE FOR BOILER WITH 10,12 and 15 SECTIONS The main security is Dungs MB-ZRDLE 412, a two-stage electromagnetic valve which works in the regime of a nominal/ reduced heat output and enables to mount a watcher of gas fitting tightness that watches the tightness of gas valve seats.

  • Page 13: Electrical Diagrams

    Electrical diagrams Fig. no. 7 Elementary wiring diagram of VIADRUS G 90 – 8 sectional boiler for Honeywell version At VIADRUS G 90 version – 8 sections there isn’t used the tightness watching system at SP2 gas fitting...
  • Page 14 Burner Fig. no. 8a) Wiring diagram of 8 sectional VIADRUS G 90 boiler for Honeywell version...
  • Page 15 Panel console Fig. no. 8b) Wiring diagram of 8 sectional VIADRUS G 90 boiler for Honeywell version...
  • Page 16 Fig. no. 9 Elementary wiring diagram of VIADRUS G 90 – 10, 12, 15 sectional boiler for Honeywell version...
  • Page 17 Burner Fig. no. 10a) Wiring diagram of 10, 12, 15 sectional VIADRUS G 90 boiler for Honeywell version...
  • Page 18 Panel console Fig. no. 10b) Wiring diagram of 10, 12, 15 sectional VIADRUS G 90 boiler for Honeywell version...
  • Page 19 Fig. no. 11 Elementary wiring diagram of VIADRUS G 90 – 10, 12, 15 sectional boiler for DUNGS version...
  • Page 20 Terminal plate console Burner Fig. no. 12a) Wiring diagram of 10, 12, 15 sectional VIADRUS G 90 boiler for DUNGS version...
  • Page 21 Panel console Fig. no. 12b) Wiring diagram of 10, 12, 15 sectional VIADRUS G 90 boiler for DUNGS version...

  • Page 22: Positioning And Installation

    Positioning and installation Regulations and guidelines The boiler can only be installed by a firm holding the valid licence that applies to the installation and a maintenance of gas appliances. A project according to the valid regulations must be elaborated for the installation.

  • Page 23: Positioning Possibilities

    EN 60 335 – 1 ed. 2 Art. 7.12.4 positioned in a way making sure that the plug is accessible. The installation of the boiler must comply with all requirements of ČSN 06 1008 When positioning the boiler it is necessary to keep „VIADRUS G 90 boiler installation manual (delivered in a decomposed state) Boiler positioning with regard to the fire regulations: 1.

  • Page 24: Connection To The Hydraulic System

    Fig. no. 13 Position in a boiler room. Connection to the hydraulic system We recommend to design the boilers together with expansion tanks incl. a membrane and the heating system must be equipped with safety valves. The expansion tank volume calculation based on the water volume in the system and the conditions for their use are stated in ČSN 06 0830.

  • Page 25: Commissioning - Instructions For A Contracting Service Organization

    Commissioning – instructions for a contracting service organization The boiler commissioning, setting the heat output, any interference with the boiler electric part or connection of further control elements can only be done by a contracting service organization authorized to do this activity. Checking activity before commissioning Before the boiler commissioning there must first of all be checked: heating system replenishment with water (pressure gauge check)

  • Page 26: Heat Output Setting And Adjusting At The Boiler Equipped With Honeywell Electromagnetic Gas Valves For The Sizes With 10, 12 And 15 Sections

    Setting the nominal output: 1. Put the boiler into operation. 2. For orientation measure the gas pressure on the gas distributor by using the digital manometer or the U-tube. 3. Before the setting procedure itself let for a while stabilize the operation pressure conditions at the burner. 4.

  • Page 27: Heat Output Setting And Adjusting At The Boiler Equipped With Honeywell Electromagnetic Gas Valves For The Sizes With 10, 12 And 15 Sections

    Nominal output setting: 1. Put the boiler into operation 2. For orientation measure the gas pressure on the gas distributor by using the digital manometer or the U-tube. 3. Before the setting procedure itself let for a while stabilize the operation pressure conditions at the burner. 4.
  • Page 28 7. 7.1. without the supreme regulation Switch off the boiler, disconnect the connector 2° on the diaphragm. Switch on again. 7.2. with the supreme regulation Switch over the boiler to the reduced output through the supreme regulation. 8. Release the locking screw. 9.

  • Page 29: Boiler Service By User

    4. fuse case 11. fuse 2,5 A 5. boiler thermostat 12. main switch 6. switch nominal/reduced output I/II 13. combustion gases reflux fuse unblocking 7. reset pushbutton 14. safety thermostat unblocking Fig. no. 18 Standard control panel of VIADRUS G 90 BOILER...

  • Page 30: Important Warnings

    VIADRUS a.s., the boiler manufacturer, otherwise the guarantee for a proper boiler function becomes void. „The certificate of VIADRUS G 90 boiler quality and completeness“ serves as the “Certificate of warranty“ after having been filed in by the contracting service organization.

  • Page 31: Maintenance

    Maintenance Any interventions are only allowed to be done by contracting service organization that was trained by the manufacturer. 1. Disconnect the boiler from the electricity network. 2. Close the gas inlet to the boiler. 3. Disconnect the burner from the gas inlet (disconnect the flange from Honeywell electromagnetic valves or the gas Dungs multiblock and disconnect the screwing on the valve for gas inlet to the pilot burner).

  • Page 32: Defects And Their Elimination

    Defects and their elimination The defects elimination is only allowed to be done by a trained contracting service organization which also is obliged to make an entry in the enclosure to the certificate of warranty. Defects elimination marked with symbol “∗ ∗ ∗ ∗ „ is allowed to be done by the user. If there occurs repeatedly the blockage of the safety thermostat or the combustion gases reflux fuse it is also necessary to call a contracting service worker.

  • Page 33: Instructions For Product Disposal After Its Service Life

    – be documented in the supplement to the certificate of VIADRUS G 90 boiler quality and completeness. The guarantee does not apply to: Faults caused by improper assembly and improper attendance of the product and faults caused by improper maintenance see chap.
  • Page 34 Information for customer Packaging edentification Assessment reference PE Plastic sacks, folie, corrugaled board, iron and plastic fix line Identification od principál materials used. Paper, Polyethylene, iron, wood Part 1: Summary of assessment Standard/Report Assessment requirement Claim Note 1.1 Prevention by source reduction 1.2 Heavy metals and ensure below maximum permitted...
  • Page 36 Date of revision 45/2012 ND – GB...

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