eta eHACK 60 Installation Manual

eta eHACK 60 Installation Manual

Wood chip boiler
Hide thumbs Also See for eHACK 60:

Advertisement

Quick Links

2022-01-25
EN
0000000351
V.014
3.54.0
5111
93084-005
Wood chip boiler
eHACK 60-80 kW
Installation

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the eHACK 60 and is the answer not in the manual?

Questions and answers

Summary of Contents for eta eHACK 60

  • Page 1 2022-01-25 0000000351 V.014 3.54.0 5111 93084-005 Wood chip boiler eHACK 60-80 kW Installation...
  • 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 ................5 Preface.
  • Page 4 13.6 Technical data ..............83 www.eta.co.at...
  • Page 5: General

    ETAtouch control system of your ETA boiler. A LAN cable is required for the connection Types of safety instruction from the ETAtouch control system to the internet modem.
  • Page 6: Warranty, Guarantee And Liability

    Use adhesive to affix, e.g. seals. Observe local building and fire safety regulations Only blow out the components with your Local building and fire safety regulations must be mouth. observed. www.eta.co.at...
  • Page 7 "Water hardness". For repairs of defects carried out by the customer or by a third party, ETA shall only bear the costs or remain pH value between 8 and 9 obligated by warranty if this work was approved in writing in advance by the customer service of ETA The pH value of water used to fill the heating system must be between 8 and 9.
  • Page 8: Dismantling, Disposal

    Clean the parts and remove them in accordance with the local regulations for workplace safety and environmental protection. Disposal Disposal including all components must be done in an environmentally friendly manner according to waste disposal laws. Recycle any materials that can be recycled. www.eta.co.at...
  • Page 9 General Dismantling, disposal...
  • Page 10: Technical Data

    Technical data Technical data eHACK 60-80 kW wood chip boiler The boiler can optionally be supplied with the stoker on either the right or the left side. The illustration shows a boiler with the stoker on the left side. Connection for safety valve, pressure gauge and bleed valve R3/4" internal thread Flow, R 6/4“...
  • Page 11 Technical data The flue gas connection on the boiler does not yet give any indication of the required chimney diameter. Information on the required chimney diameter can be found in the installation instructions for the boiler in the chimney chapter. The emission values refer to a residual oxygen content of 13% O Wood chip boiler Unit 17.9 -...
  • Page 12: Energy Labelling

    "package-system" (boiler with temperature controller). The emission values refer to a residual oxygen content of 10% O Manufacturer: ETA Heiztechnik GmbH, Gewerbepark 1, A-4716 Hofkirchen an der Trattnach eHACK 60-80 kW wood chip boiler Unit...
  • Page 13 Technical data Energy Labelling eHACK 60-80 kW wood chip boiler Unit 60EP 70EP 80EP Preferred fuel Wood chips (water content 15-35%) Maximum load 59.9 59.9 69.9 69.9 79.9 79.9 Partial load 17.9 17.9 20.9 20.9 23.2 23.2 Efficiency (in terms of gross calorific value) at maxi- 85.7...
  • Page 14: Regulations, Standards And Guidelines

    • EN 13384 "Flue systems - thermal and fluid- dynamic calculation methods" • In Germany, DIN 18160 "Flue systems – planning and design" • In Austria, ÖNORM H 5170 "Heating systems – construction and fire safety requirements" www.eta.co.at...
  • Page 15: Ce-Conformity

    We hereby declare that the product in its standard design as stated here corresponds to the above provisions. The sole responsibility for issuing this declaration of conformity lies with the manufacturer. The technical documentation for this product is administered by ETA Heiztechnik GmbH. Signed for and on behalf of: Hofkirchen, 16/12/2020 Ing.
  • Page 16: Boiler Room

    [kW] tion from land Requirements for the boiler room ETA) Boiler rooms must be built with fire-resistant F90 (EI90) walls and ceilings; in Switzerland El30 up to 70 kW and EI60 over 70 kW. An escape door to a corridor or to the outside is required.
  • Page 17: Safety

    Safety General information Safety General information Storage of ash The ash must be kept in non-flammable containers with covers for cooling. Never put hot ash into the Operation only by trained personnel waste bin! The product may be operated by trained adults only. Training may be provided by the heating technician or our customer service.
  • Page 18: Emergency Stop Switch

    The valve size is determined by the size of the inlet way of satisfying this requirement is to design the connection. usual emergency stop switch as a key switch. This must be located immediately outside the access door, www.eta.co.at...
  • Page 19: Safety Devices In The Fuel Path

    European standard EN 303-5 In Austria, a capillary thermostat is supplied With EN 303-5 "Heating boilers for solid fuels... up to with all ETA wood chip boilers for this 500 kW" safety requirements have now been purpose. harmonised across Europe.
  • Page 20 This safety device floods the fuel store with water in the event of a fire. This system consists of non-flammable empty piping with a minimum nominal diameter of 20 mm and must be installed in the fuel store directly above the conveying system. The empty piping must www.eta.co.at...
  • Page 21 Safety Safety devices in the fuel path automatically stop burn-back inside the conveying openings, and so is not truly safe. An automatic system by flooding both screws. It works without sprinkler and a fire alarm (temperature-monitoring electricity. The activation temperature is 97 °C. system) with lower activation threshold than the sprinkler, installed in the wall opening, provides a considerable increase in safety.
  • Page 22: Information For Installation

    These values are listed in brackets. The "X" marks any diameters which may not be used. Example: eHACK 60 with 10 m chimney height and DN150 flue pipe => a chimney with 16 cm diameter is required. Alternatively, a chimney with 15 cm diameter can be used.
  • Page 23 Information for installation Chimney operating condition, the flue gas is safely conveyed chimney resistant to soot fires in compliance with the outside and cannot enter the living space, for example, law must then look on helplessly as the condensate via the flue pipe of another boiler. destroys the chimney wall.
  • Page 24 Chimney: dia. 220 mm chamber. An overly strong flue draught prevents the Connection pipe to chimney: dia. 180 mm recirculation to the boiler and the flue gas reaches the => a draught limiter of at least 220 mm diameter is required. www.eta.co.at...
  • Page 25 Information for installation Chimney Connection to the sewage system for the chimney Cleaning opening in flue pipe For the condensate in the chimney, a connection to the Easily accessible cleaning openings must be available sewage system (e.g. duct) with at least DN25 via a for cleaning the flue pipe.
  • Page 26: Renovation

    The moisture All heating systems require approval. Enquire at your contained in the flue gas condenses in the chimney, building authority and ask your chimney sweep. resulting in the very slow but inexorable destruction of old masonry chimneys. www.eta.co.at...
  • Page 27 Information for installation General information Antifreeze If the building is unoccupied for longer intervals in winter, up to 30% antifreeze can be added to the heating water. To compensate for the disadvantage of reduced heat capacity and increased flow resistance, only slightly higher flow temperatures are needed.
  • Page 28: Water Hardness

    This and is dispersed evenly throughout the system without method does not remove salt from the water. It localised corrosion. replaces the calcium in the lime with sodium from the salt, and has considerable advantages. It is cheap and www.eta.co.at...
  • Page 29: Corrosion

    Information for installation Corrosion dimensioned the same as the boiler connection. Also Complete desalination not required place a bleed valve at the highest point in the flow of If there is no aluminium (heat exchanger in the gas the overall system. boiler or aluminium radiator) in the system, then costly complete desalination with ion exchange cartridges or osmosis is not required.
  • Page 30: Pressure Equalisation

    A system separation nitrogen so that it is 0.3 bar higher than the static module with these specifications is available from ETA. pressure at the installation location, but make sure the pressure does not fall below 0.9 bar.
  • Page 31: Noise Emission

    In normal operation, the airborne noise emissions from ETA sound-insulation set. Design the rigidly a pellet or wood chip boiler is between 40 and 50 dB(a) connected installation (flow and return, thermal...
  • Page 32: Buffer Storage Tank

    Whereby "first", the morning (=150x12). A SH60 (223 l filling chamber, peaks themselves should be minimised with staggered 223x12=2676 l) requires at least 3300 litres starting times for the heating circuits as well as (=60x55) buffer volume. reasonable set-back temperatures. www.eta.co.at...
  • Page 33: Hydraulic Integration

    Buffer storage tank Hydraulic integration Hydraulic integration • An automatic heating boiler up to 500 kW rated capacity requires a minimum buffer volume of 25 litres per kW rated capacity. Hydraulic integration of a buffer Hence, a wood chip boiler with 100 kW needs a For the largest possible buffer storage capacity and for minimum buffer volume of 2500 l (=100x25).
  • Page 34 12 Temperature sensor [Sensor 4] for the differential be positioned just above the lowest return temperature control between the solar heating connection. system and the buffer This is also important for buffers from third parties, so that they are not positioned beneath the lowest return connection. www.eta.co.at...
  • Page 35: Connection Between Multiple Buffer Storage Tanks

    Buffer storage tank Connection between multiple buffer storage tanks Connection between multiple Stratified charging module and fresh water module buffer storage tanks Parallel connection When there are several buffers, parallel connection (top with top and bottom with bottom) is usually the better solution.
  • Page 36 > 130 kW er output boiler output maximum 2 maximum 2 buffers buffers external piping with > 80 kW boil- > 130 kW Tichelmann connection er output, boiler output, and/or more and/or more than 2 buf- than 2 buf- fers fers www.eta.co.at...
  • Page 37 Buffer storage tank Connection between multiple buffer storage tanks...
  • Page 38: Parallel Buffer Connection

    The basic principle of the internal Tichelmann is diagonal flow. Two buffers are connected together at the top and bottom (= parallel connection). For output up to 90 kW, a connection with DN 32 (ETA buffer connection set) is sufficient, for 30 kW use at least R1" or 28 mm copper. On one tank, the boiler outlet is connected at the top; on the other the boiler return is connected at the bottom.
  • Page 39 Buffer storage tank Parallel buffer connection...
  • Page 40: External Tichelmann

    11 Hot water 12 Cold water Connecting ball valves on buf- maximum total output Collector line at least 30 kW DN 20 DN 25 R 1" 28 x 1.5 60 kW DN 25 DN32 R 1¼" 35 x 1.5 www.eta.co.at...
  • Page 41 Buffer storage tank External Tichelmann Connecting ball valves on buf- maximum total output Collector line at least 90 kW DN 32 DN 40 R 1½" 42 x 1.5 160 kW DN 32 DN 50 R 2" 54 x 1.5 300 kW DN 40 DN 65 R 2½"...
  • Page 42: Serial Buffer Connection

    Number of buffers Connecting line, minimum 30 kW DN 25 R 1" 28 x 1.5 50 kW DN32 R 1¼" 35 x 1.5 65 kW DN32 R1¼" 35 x 1.5 80 kW DN 40 R1½" 42 x 1.5 www.eta.co.at...
  • Page 43 Buffer storage tank Serial buffer connection maximum total output Number of buffers Connecting line, minimum 100 kW DN 40 R1½" 42 x 1.5 140 kW DN 50 R2" 54 x 1.5 170 kW DN 50 R2" 54 x 1.5 With fresh water module and stratified charging module Fresh water module flow Temperature sensor [Sensor 1 (top)] Boiler, heating circuits, oil/gas boiler flow...
  • Page 44: Installation

    An optional sound-insulation set is available An optional sound-insulation set is available for Fig. 9-2: Seal the boiler. If you use this, insert the sound- insulation strips longitudinally under the boiler's base frame and also under the stoker's levelling screws. www.eta.co.at...
  • Page 45 Installation Stoker Mount the levelling screws on the underside of the Fasten the rotary valve on the stoker. Tighten the stoker. Fasten the stoker to the boiler. Tighten the screws alternately and evenly. screws alternately and evenly. Fig. 9-4: Rotary valve Attaching the stoker drive First insert the lowest screw on the stoker and only hand-tighten the nut.
  • Page 46: Assembling The Conveyor

    Check whether the conveyor screw is correctly repair, for example. inserted in the open trough. Attach the open trough to the gearbox. Fig. 9-7: Conveyor screw for the open trough Fig. 9-10: Gearbox www.eta.co.at...
  • Page 47 Installation Assembling the conveyor Carefully insert the conveyor screw into the gearbox. Mount the support stand on the trough. Fig. 9-11: Conveyor screw Thread the open trough through the wall opening from Fig. 9-13: Support stand the storeroom into the boiler room. Place a square Adjust the height of the support stand.
  • Page 48 Stauffer grease and connect them. Make sure that the winding is continuous. Make sure that the winding is continuous. Fig. 9-16: Start screw Mount the closed trough on the open trough. Install the drop chute on the trough. Fig. 9-14: Closed trough Fig. 9-17: Drop chute www.eta.co.at...
  • Page 49 Installation Assembling the conveyor Attach a seal to the flange. Installing the discharge drive Align the screw conveyor with the drive using the feather key. Fig. 9-18: Seal Lift the discharge and carefully insert the ball joint connection into the opening of the rotary valve. Fig.
  • Page 50 Install the bleed screw in place of the plug screw. rotary plate. The rotary plate always rotates anti- clockwise. Note the correct alignment of the claws on the spring arms, see figure below. Fig. 9-22: Bleed screw Fig. 9-24: Spring arms www.eta.co.at...
  • Page 51 Installation Assembling the conveyor Adjusting the spring arms Check the alignment of all spring arms. They must be aligned parallel to the trough and may not touch either the trough nor the rotary plate. Turn the rotary plate manually and check all spring arms. Fig.
  • Page 52 10 mm. Fig. 9-31: Support stands Tightening the screws Tighten all the screws alternately and evenly. Fig. 9-29: Floor distance If you install a slanted floor, also take the thickness of the boards into account. www.eta.co.at...
  • Page 53: Installing The Drive Chain

    Installation Installing the drive chain Installing the drive chain Adjust the chain tension with the turnbuckle. Fixing the ball joint connection Secure the ball joint connection with the two threaded rods and nuts. Tighten the nuts alternately and evenly. Fig. 9-34: Turnbuckle Then tighten the three M16 x 45 screws.
  • Page 54: Align Boiler Horizontally

    Aligning the boiler horizontally Fig. 9-37: Flap Check the horizontal alignment of the boiler covers and adjust them by placing metal plates underneath. Fold the locking lever on the boiler forwards. Fig. 9-38: Locking lever Fig. 9-36: Checking the alignment www.eta.co.at...
  • Page 55: Cables

    Installation Cables Cables Push the ash box over the connection on the boiler and connect it to the boiler with the locking lever. Routing the lines to the circuit boards Route the lines (ignition, discharge...) to the circuit boards using the cable ducts. Set the height of the attached ash box with the adjustable feet on the underside, so that the ash box lies evenly on the floor.
  • Page 56: Bottom Insulation

    Filling and draining valve dispose of them. Installing the safety valve, pressure gauge and bleed valve A safety valve, pressure gauge and bleed valve must be installed on the boiler. They are not included in the delivery scope. Fig. 9-43: Metal strips www.eta.co.at...
  • Page 57: Filling The Heating System

    Installation Filling the heating system Bleeding the heating system DANGER! Open the ball valves on the heating circuits and bleed Safety valve outlet the heating system completely. After bleeding, check The safety valve outlet must be directed to the ground the water pressure and adjust if necessary.
  • Page 58: Network Connection

    Fig. 9-48: Network cable If the network cable is long enough, connect the plug directly into the router or the ETA PowerLine. If it is not long enough, use a network extension (1x plug / 1x socket) to connect to the router or ETA PowerLine.
  • Page 59: 10 Electrical Connections

    Electrical connections Requirements 10 Electrical connections 10.1 Requirements Electrical connection must only be made by qualified specialist personnel The electrical installation must only be performed by specialist personnel with the corresponding qualifications. Requirements Observe the regulations and special regulations of local energy utilities.
  • Page 60 If flexible stranded conductors are not used for the wiring, the contacts in the plug connections will be subjected to excessive mechanical strain. In this case, Fig. 10-7: Digital switch the warranty for the electronics would be invalidated.  Only use flexible stranded conductors for the wiring. www.eta.co.at...
  • Page 61 Electrical connections Requirements Fig. 10-8: Speed-controlled pump Fig. 10-9: Special function - pump (with supply extension 230 Fig. 10-10: Special function - changeover valve with three- point control Fig. 10-11: Special function - burner Fig. 10-12: Switch...
  • Page 62: Overview Of Circuit Boards

    Overview of circuit boards Electrical connections 10.2 Overview of circuit boards Overview of boiler circuit boards The [HE-C] circuit board is an extension board and is required for special conveyors, intermediate conveyor screws, etc . www.eta.co.at...
  • Page 63 Electrical connections Overview of circuit boards...
  • Page 64: Circuit Board Ha-C6

    Conveying system (intermediate conveyor 400 V output screw) 400 V output Stoker screw 400 V supply Mains power input 230 V input 3 x 1 mm² Water shortage switch 230 V input 3 x 1 mm² Emergency stop switch www.eta.co.at...
  • Page 65 Electrical connections Circuit board HA-C6 These terminals can be used (depending on the configuration): Minimum Terminal Function cross-sec- Standard assignment tion Safety switch for rotary valve maintenance 230 V input cover Safety switch at drop chute of intermediate 230 V input conveyor screw 230 V input Safety switch drop chute conveying system...
  • Page 66 Lambda probe RS-485 bus terminal resistor for analogue input to terminal [S555] Jumper (without jumper: 0-10 V; with jumper: 0-20 mA) for analogue input to terminal [S556] Jumper (without jumper: 0-10 V; with jumper: 0-20 mA) CAN-Bus terminal resistor www.eta.co.at...
  • Page 67 Electrical connections Circuit board HA-C6...
  • Page 68: Circuit Board Gm-C3

    2 x 0.5 mm² S500 T4 Temperature input 2 x 0.5 mm² S500 T5 Temperature input 2 x 0.5 mm² Outside temperature sensor S500 T6 Temperature input 2 x 0.5 mm² Collector S501 T7 Temperature input 2 x 0.5 mm² Hot water www.eta.co.at...
  • Page 69 Electrical connections Circuit board GM-C3 These terminals can be used (depending on the configuration): Minimum Terminal Function cross-sec- Standard assignment tion Buffer temperature sensor 1 (top) This temperature sensor is always mounted at the top of the buffer. If, for S501 T8 Temperature input 2 x 0.5 mm²...
  • Page 70 Circuit board GM-C3 Electrical connections These terminals are already wired at the factory: Terminal Function Standard assignment Terminal for plug-in circuit board Terminal for plug-in circuit board CAN-Bus supply +24 V (for standalone mode) www.eta.co.at...
  • Page 71: 11 Commissioning

    Commissioning 11 Commissioning Maintenance openings and components The illustration shows a boiler with its fuel conveying on the left side. The fuel conveying depicted here is the standard configuration. Combustion chamber door 14 Drop chute maintenance cover Firebed switch (safety switch) Firebed level sensor Vacuum sensor Grate position switch...
  • Page 72 Retaining tube of the lambda probe Heat exchanger cleaner maintenance cover Safety switch for the maintenance cover De-ashing drive Flue gas temperature sensor in heat exchanger Water pressure sensor 10 Draught fan 11 Flue gas temperature sensor on flue gas connector www.eta.co.at...
  • Page 73 Commissioning Actuator of flue gas recirculation (optional) Precipitator maintenance cover Heat exchanger cover Release button for safety temperature limiter (STB) Mains switch (symbol Maintenance switch (symbol Door contact switch...
  • Page 74: Checklist

    2) Check the alignment of the discharge electrodes. This must hang down vertically and must not touch any other components. Configuration 1) Configure the heating system and the environment with the configuration wizard. www.eta.co.at...
  • Page 75 Commissioning Checklist Tasks Notes Fuel conveying system 1) On the floor agitator, check that the screw windings of the conveyor screw are continuous. 2) Check that the flat springs are correctly mounted and that there is the required distance to the troughs.
  • Page 76 4) Save the configuration of the heating system in the ETAtouch control. 5) Inform the customer about the remote control option by registering on www.meinETA.at. This means that the customer can also operate their boiler remotely. www.eta.co.at...
  • Page 77: 12 Concluding Activities

    Concluding activities 12 Concluding activities Check the direction of rotation of the drive with the aid Reinstall boiler casing of the marking. The correct rotation direction is shown Reinstall the parts of the boiler casing that were in the following diagram. removed during the assembly.
  • Page 78: 13 Fuel Store

    Once the filling method has been clarified, determine the storeroom dimensions. In principle, this should be dimensioned as large as possible, so that less frequent filling is required. www.eta.co.at...
  • Page 79 Plans Determining the number of refills for this are available from ETA. With an agitator with a diameter of 4 m and a maximum filling height of 5 m, a storage volume of...
  • Page 80: Tilted Floor

    Benefits of the slanted floor: • The flat spring arms move along the floor and cannot "float" over the fuel. • The fuel is not compacted in the outer area of the floor. Fig. 13-4: 45° chamfer floor agitator size 2 www.eta.co.at...
  • Page 81: Pellet Operation

    For the fuel discharge, either an agitator or a pellet discharge screw can be used. Special requirements apply to pellet storage rooms. For more information, please contact ETA. Floor agitator for pellets For pellet operation with a floor agitator, the following points must be observed: Fig.
  • Page 82: Heating Value

    A cubic metre (rm) corresponds to 1 m³ layered logs (1 m length) with air gaps. b. A loose cubic metre (srm) corresponds to 1 m³ of loosely dumped wood chips. c. A solid cubic metre (fm) corresponds to 1 m³ wood without air gaps. www.eta.co.at...
  • Page 83: Technical Data

    Maximum lengths and inclines Below you will find the information on the maximum lengths and inclinations for conveying systems of different sizes. If deviations from the stated values are necessary, please consult ETA Heiztechnik GmbH. Fig. 13-8: Side view Fig. 13-9: Top view...
  • Page 84 Total length L < 6 Inclination α < 15° Fill height H < 5 Number of spring arms 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...
  • Page 86 www.eta.co.at...
  • Page 88 DOWNLOAD www.eta.co.at...

This manual is also suitable for:

Ehack 60epEhack 70Ehack 70epEhack 80Ehack 80ep

Table of Contents