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HDG M299 Operation Manual

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Operation Manual
HDG M299/300/350/400
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Summary of Contents for HDG M299

  • Page 1 Operation Manual HDG M299/300/350/400 hdg-bavaria.com...

  • Page 3: Table Of Contents

    HDG M299/300/350/400 back side ........18 Cross section of HDG M299/300/350/400 ........19 3.2 Functional description.
  • Page 4 Control unit for HDG Control ........
  • Page 5 Operation Manual HDG M299/300/350/400 - Content Changing the cleaning system setting ........90 Modifying the extraction setting .
  • Page 6 Operation Manual HDG M299/300/350/400 - Content Setting the boiler overheating temperature or hysteresis, minimum return temperature and combustion chamber stop temperature ....111 Setting reverse feeding and ignition temperature ......112 Modifying the dosage pause min.
  • Page 7 Operation Manual HDG M299/300/350/400 - Content Cleaning the vacuum pressure pipe for the pressure switches ... . 144 Cleaning the vacuum pressure pipe for the differential pressure transmitters ........... 145 Cleaning the control unit.

  • Page 8: Notes On This Manual

    We reserve the right to make changes which may then differ from the technical details and illustrations in this operating manual. Written permission is required from HDG Bavaria GmbH for OPYRIGHT reprinting, storage in a data-processing system or transmission by electronic, mechanical, photographic or any other means, and for copies or translations of this publication, in whole or in part.

  • Page 9: Structure Of The Operating Manual

    ... what has to be considered when dismantling and disposing of disposal the heating system. 10 Warranty ... the terms and conditions of the warranty. Table 1/1 - Structure of the operating manual © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - de...

  • Page 10: Glossary

    Fuel transport system - carries fuel from the storage to the dosing unit or to the intermediate container. Display Display of the HDG Control unit in the refrigerator. Emergency stop Must be used in an emergency - interrupts all actuators; does not switch off the mains supply to the entire heating system.

  • Page 11: Safety Instructions

    Any further implementation of applicable standards, for example with regard to the installation of the heating system (pipework, etc.) is not part of this operating manual. HDG Bavaria does not assume any liability for this. ROPER AND IMPROPER MANNER OF OPERATION...

  • Page 12: Residual Risks

    Each of the boiler units weight more than 2500 kg. If the boiler is dropped during transport, persons can be seriously injured and the boiler can be damaged. Make sure that you use appropriate lifting gear when placing the boiler. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 13 The circuit boards and electrical components carry current. Have work on electrical components performed only by a qualified electrician and turn the main switch off. Warning! The boiler is under pressure. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 14: Warnings And Safety Symbols Used

    Danger of asphyxiation due to lack of oxygen When working in areas marked with this symbol, there is a danger of asphyxiation due to high concentrations of carbon monoxide. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 15: Duty Of Information

    The Operating Manual must always be kept readily accessible at the place where heating system is installed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 16: Mode Of Operation

    Automatic cleaning of the heat exchanger surfaces The HDG M299/300/350/400 heating system is equipped with the HDG TBZ 200 for loading wood chips and shavings or with the HDG TBZ 150 for loading pellets. The HDG M299/300/350/400 heating system can also be equipped with the following delivery systems: •...

  • Page 17: Hdg M299/300/350/400 Front Side

    3 Mode of operation – Overview HDG M299/300/350/400 FRONT SIDE Figure 3/1 - HDG M299/300/350/400 front side 1 Flue gas fan 2 Flue pipe connection 3 Boiler supply connection (DN 100 flange) 4 Boiler return connection (DN 100 flange) 5 Secondary air fan...

  • Page 18: Hdg M299/300/350/400 Back Side

    3 Mode of operation – Overview HDG M299/300/350/400 BACK SIDE Figure 3/2 - HDG M299/300/350/400 back side 1 Cleaning shaft lid of combustion unit 2 Cleaning shaft lid of heat exchanger 3 Cleaning system drive motor 4 Lambda sensor 5 Tubular heat exchanger...

  • Page 19: Cross Section Of Hdg M299/300/350/400

    3 Mode of operation – Overview HDG M299/300/350/400 ROSS SECTION OF Figure 3/3 - Cross section of HDG M299/300/350/400 1 Secondary air openings 2 Safety heat exchanger, combustion unit 3 Tertiary air openings 4 Combustion chamber 5 Ash removal auger for fly ash 1...

  • Page 20: Functional Description

    5 HDG M299/300/350/400 boiler 6 Accumulator OMBUSTION PROCESS With the HDG M299/300/350/400 heating system, the fuel is automatically fed from the storage room into the combustion chamber of the boiler via the delivery and feeding systems. The combustion fan is already activated here in order to eliminate any possible residual combustion gases or negative flue pressure conditions along the combustion path.

  • Page 21: Delivery System

    The HDG Control boiler controller in the control cabinet represents the electronic hub. This is a freely programmable PLC control. Using the control unit, you can adjust the HDG M299/300/350/400 heating system and obtain information on the current process status.

  • Page 22: Control Modes

    – Preferred method of operation with accumulator • Control of combustion and output: – Output supplied is adjusted to heat used with optimised combustion – Operation without accumulator © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 23: Technical Data

    Connection for safety heat exchanger (bushing) DN 20, outside thread Connection for drain (bushing) DN 30, inside thread Recommended pipe dimensions (minimum) DN 100 Table 3/1 - Technical data © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 24: Fuel Quality Requirements

    3.4 Fuel quality requirements ERMISSIBLE FUEL The HDG M299/300/350/400 heating system is designed for the standard use of burning untreated wood in the form of wood chips, shavings and wood pellets. In accordance with German law (§3 (1) 1. BlmSchV), the fuel classes 4, 5, 5a, 6, and 7 may be used in this heating system.
  • Page 25 With an increasing ratio of inert components, the calorific value drops considerably, the combustion quality deteriorates, and the CO emission and the amount of ash and cinder dirt on the heating surfaces is increased. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 26: Wood Chips

    Higher proportions of finer content (dust) can lead to high emissions and ejection of glowing particles. Wood chips from category P31.5 can be used as fuel in all HDG wood chip boilers. For P31.5 wood chips, at least 75% of the wood chips (by weight) must be between 8 mm and 31.5 mm.

  • Page 27: Wood Pellets

    3 Mode of operation – Fuel quality requirements Wood chips from category P45 can be used as fuel in all HDG HDG M299/300/350/400 wood chip boilers. For P45 wood chips, at least 75% of the wood chips (by weight) must be between 8 mm and 45 mm.
  • Page 28 Nitrogen content max. 0.3 % max. 0.5% Chlorine content max. 0.02 % max. 0.02% Additive max. 2.0 % max. 2.0 % Table 3/4 - Burning characteristics of wood pellets © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 29: Recommended Fuel

    The optimal ash content is 1% by weight (A1.0). For HDG M299/300/350/400 heating systems, it is possible to use wood fuel products of grain size P45 with a maximum water content of up to 30%.
  • Page 30 The following table indicates the maximum nominal thermal power OMINAL THERMAL VALUE depending on water content, in reference to the fuels approved for DEPENDING ON WATER the HDG M299/300/350/400 in accordance with DIN EN 14961 “Solid CONTENT biofuels - fuel specifications and classes”. Wood chips...

  • Page 31: Planning And Installation

    4 Planning and installation – Planning the heating system 4 Planning and installation 4.1 Planning the heating system PACE REQUIREMENTS Figure 4/1 - Space requirements HDG M299/300/350/400 4400 4250 1400 2000 Table 4/1 - Minimum size (mm) * The automatic de-ashing for fly ash 1 or 2 can also be installed in such a way that both fly ash containers are on the opposite side.

  • Page 32: Room Height Requirements

    4 Planning and installation – Planning the heating system OOM HEIGHT REQUIREMENTS Figure 4/2 - Room height requirements • Minimum ceiling height: 3200 mm / optimal ceiling height: 3500 mm • Minimum insertion height: 2500 mm NSTALLATION DIMENSIONS Combustion unit Heat exchanger Length* 2070 mm / 1900 mm*...

  • Page 33: Minimum Clearances

    4 Planning and installation – Planning the heating system INIMUM CLEARANCES Figure 4/3 - Minimum clearances HDG M299/300/350/400 1400 Table 4/3 - Minimum clearances (mm) OILER ROOM Furnaces for solid fuels with a nominal thermal power of more than 50 kW may only be installed in special boiler rooms.

  • Page 34: Fuel Storage

    4 Planning and installation – Planning the heating system Make sure there is an adequate supply of fresh air to the boiler room so that there is enough air available for the combustion process and to protect the operator from the hazards of insufficient oxygen. The floor of the boiler room must be of a fireproof design.

  • Page 35: Connections

    The required flue gas values are listed in chapter “3 Mode of operation”, section “3.3 Technical data”. The benefits of the HDG M299/300/350/400 can only be reaped if all of the factors necessary for good combustion are carefully adjusted. The heating system and chimney form a single functional unit and must be adapted to one another in order to guarantee fault-free and economical operation.
  • Page 36 4 Planning and installation – Connections • Chimney well-sealed to avoid outside air leaking in. Air penetrating from the outside speeds up the cooling of the flue gases. These requirements correspond to chimneys of the type conforming to DIN EN 13384-1: 2003-03 “Thermal and fluid dynamic calculation methods”.

  • Page 37: Electrical System

    4 Planning and installation – Connections To compensate for irregularities in the flue draught of the chimney, HDG Bavaria recommends installing an auxiliary air unit in the flue pipe, or even better, in the chimney itself as shown in Figure 4/4 - Connection to the chimney.

  • Page 38: Water

    For this reason, the HDG M299/300/350/400 is fitted as standard with power control and automatic ignition. It is, however, highly recommended to use an accumulator even with automatic boiler systems.
  • Page 39 The minimum return temperature is listed in chapter “3 Mode of operation”, section “3.3 Technical data”. The return temperature is regulated by the HDG control unit. The return temperature control consists of a 3-way mixing valve with a 230 V servo drive (running time 120-240 s) and a circulation pump.

  • Page 40: Water-Side Connections For Hdg M299/300/350/400

    4 Planning and installation – Connections HDG M299/300/350/400 ATER SIDE CONNECTIONS FOR Figure 4/5 - Water-side connections for HDG M299/300/350/400 1 Boiler supply connection (DN 100 flange) 2 Connection (DN 50 bushing) of heat exchanger to combustion unit 3 Connection (DN 50 bushing) of combustion unit to heat...

  • Page 41: Sensors And Connections Of The Hdg M299/300/350/400

    4 Planning and installation – Connections HDG M299/300/350/400 ENSORS AND CONNECTIONS OF THE RONT SIDE Figure 4/6 - Sensors and connections on the front side of the HDG M299/300/350/ 1 Flue gas temperature sensor 2 Pressure capsule connection for vacuum pressure control of heat exchanger...
  • Page 42 10 Filling / draining connection (DN 25 inside thread) for combustion unit ACK SIDE Figure 4/7 - Sensors and connections on rear side of HDG Compact 150/200 1 Immersion sleeve connection for thermal safety device (DN 15 inside thread) of heat exchanger...

  • Page 43: Hydraulic Connection Of Combustion Unit To Heat Exchanger

    4 Planning and installation – Connections YDRAULIC CONNECTION OF COMBUSTION UNIT TO HEAT EXCHANGER Figure 4/8 - Hydraulic connection 1 Return mixing valve (3-way mixer DN 100) 2 Boiler supply connection (DN 100 flange) 3 Connection (DN 50 bushing) of heat exchanger to combustion unit 4 Connection (DN 50 bushing) of combustion unit to heat exchanger...

  • Page 44: Scope Of Delivery

    4.4 Installing the heating system EQUIREMENTS The heating system will initially be commissioned by specialists from HDG Bavaria or from an authorised HDG partner and a qualified electrician. Danger! Risk of material damage and injury due to incorrect installation Installing the system requires comprehensive specialist knowledge.
  • Page 45 4 Planning and installation – Installing the heating system Caution! Danger due to explosive atmospheres The heating system is not equipped with explosion-proof components. If parts of the system are installed in areas where there is a risk of an explosive atmosphere forming, they could explode. No part of the system should be installed or operated in an area where there is a risk of an explosive atmosphere.

  • Page 46: Installing The Boiler

    Ensure that the chain hoist is correctly secured to the eyebolt of the boiler during crane transport of the heating system. There are several options for transporting the HDG M299/300/350/ 400 boiler. You can use a crane, forklift or a lifting truck.
  • Page 47 4 Planning and installation – Installing the heating system ONNECTING MODULES Figure 4/10 - Connecting modules 2. Place the heat exchanger (1) and the combustion unit (2) next to each other. 3. Align the two units with plastic plates or flat steel strips (not included in the scope of delivery) so they are in a horizontal plane.

  • Page 48: Installing The Central Ash Removal System

    4. Insert the downpipe (2) in the opening of the lid of the ash bin (3). ✓ The central ash removal system is now installed. NSTALLING THE FEEDING SYSTEM HDG TBZ 200 Figure 4/12 - Installing the feeding system TBZ 200...
  • Page 49 6. Mount the rotary wheel (1) on the stoker pipe connection with the M12 screws (19 mm spanner). ✓ The HDG feeding system TBZ 200 is installed. HDG TBZ 150 Figure 4/13 - Installing the feeding system TBZ 150 1. Place the seal (13) on the insertion flange (15).
  • Page 50 15.Mount the pressure equalisation hose (14) with the aid of the union nut (DN 32) on the connection (5) of the feeding system (1). 16.Insert the dummy plug in the connection on the opposite-lying side of the feeding system. ✓ The HDG feeding system TBZ 150 is installed.

  • Page 51: Installing The Housing Of The Flue Gas Fan

    4 Planning and installation – Installing the heating system NSTALLING THE HOUSING OF THE FLUE GAS FAN Figure 4/14 - Installing the housing of the flue gas fan Warning! Danger of injury The housing for the flue gas fan is very heavy. Hands and feet could be crushed when installing it.

  • Page 52: Installing The Cladding

    4 Planning and installation – Installing the heating system NSTALLING THE CLADDING When installing the cladding, there are differences depending on whether the HDG M299/300/350/400 heating system is equipped with TBZ 150 or TBZ 200. The procedure described is for installation with equipment version TBZ 200.
  • Page 53 4 Planning and installation – Installing the heating system fl_t left front fl_b Figure 4/16 - Installing the cladding brackets 3. Install the cladding brackets with the M10 screws (17 mm spanner) according to the inscription “fl” on the corner of the boiler.
  • Page 54 4 Planning and installation – Installing the heating system NSTALLING THE CORNER SUPPORTS Figure 4/18 - Installing the corner supports 5. On each of the corners “fr”, “br” and “bl”, install the corner supports (C) with the M8 hexagon socket screws (6 mm spanner) with intermediate washers on the cladding brackets, but do not tighten the screws.
  • Page 55 4 Planning and installation – Installing the heating system NSTALLING THE SUSPENSION RAILS Figure 4/19 - Installing the suspension rails 7. Insert suspension rail (D) with the right end in the corner support and fasten it with the M6 hexagon socket screws (5 mm spanner) and intermediate washer.
  • Page 56 15.Set the vertical rail (L) in the suspension rails. Important! The description in the following section applies only to systems with an HDG TBZ 200. Figure 4/20 - Installing the suspension rails (TBZ 200) 16.Insert suspension rail (D) with the right end in the corner support and fasten it with the M6 hexagon socket screws (5 mm spanner) and intermediate washer.
  • Page 57 (N). 23.Set the vertical rail (Q) in the suspension rails. 24.Set the vertical rail (R) in the suspension rails. Important! The description in the following section applies only to systems with an HDG TBZ 150.
  • Page 58 4 Planning and installation – Installing the heating system Figure 4/21 - Installing the suspension rails (TBZ 150) 25.Insert suspension rail (D) with the right end in the corner support and fasten it with the M6 hexagon socket screws (5 mm spanner) and intermediate washer.
  • Page 59 39.Proceed with the alignment of the suspension rails in the same manner as described above for the remaining three sides of the boiler. NSTALLING THE BASE CLADDING HDG TBZ 200 Important! Adhere to the specified sequence when installing the base cladding. The sequence is indicated by the numbers with asterisk...
  • Page 60 4 Planning and installation – Installing the heating system Important! The description in the following section applies only to systems with an HDG TBZ 200. Figure 4/23 - Installing the base cladding (TBZ 200) 40.Insert the base cladding (1* - 7*) in the suspension rails in the...
  • Page 61 HDG TBZ 150 Important! The description in the following section applies only to systems with an HDG TBZ 150. Figure 4/24 - Installing the base cladding (TBZ 150) 41.Insert the base cladding (1* - 7*) in the suspension rails in the...
  • Page 62 4 Planning and installation – Installing the heating system NSTALLING THE ASSEMBLY PLATES Figure 4/25 - Installing the assembly plates Individual steps for installing the assembly plates (2): – Push the assembly plate through the recess from below (1*). – Turn the assembly plate 90° anticlockwise (2*). –...
  • Page 63 HDG TBZ 200 Important! The description in the following section applies only to systems with an HDG TBZ 200. Figure 4/26 - Installing the side cladding (TBZ 200) 43.Install the side cladding “S”, “T” and “U” in the insertion plates.
  • Page 64 HDG TBZ 150 Important! The description in the following section applies only to systems with an HDG TBZ 150. Figure 4/27 - Installing the side cladding (TBZ 150) 45.Install the side cladding “S”, “T” and “U” in the insertion plates.

  • Page 65: Installing Ash Containers

    4 Planning and installation – Installing the heating system NSTALLING ASH CONTAINERS 1. Remove the ash containers from the packaging. Figure 4/28 - Installing ash containers 2. Mount the two clamp handles (1 + 4) with the M8 hexagon socket screws (6 mm spanner) and the M8 nuts (13 mm spanner).

  • Page 66: Fitting The Accumulator Sensors

    • Prevent the control cabinet from tipping by fixing it to the wall securely. • If possible, install the control cabinet in such a way that you can see the boiler when operating the control panel of HDG Control. • Install the control cabinet at a height comfortable for you to operate.

  • Page 67: Vacuum Pressure Control

    4 Planning and installation – Vacuum pressure control 4.6 Vacuum pressure control Optionally available is an HDG vacuum pressure control with frequency converter and differential pressure transmitter for adapting to changing chimney conditions. It creates an automatic adjustment to the underpressure required for output and combustion control and thereby improves the partial load capacity of the system.

  • Page 68: Thermal Safety Device

    In order to prevent leaks, avoid turning the connections of the safety heat exchanger anticlockwise when installing the thermal safety device. Important! The HDG M299/300/350/400 heating system is equipped with two safety heat exchangers. One is located in the combustion unit and one in the regular heat exchanger.
  • Page 69 4 Planning and installation – Thermal safety device Figure 4/30 - Installing the thermal safety device 1 Connection of immersion sleeve for thermal safety device (DN 15 inside thread) 2 Safety heat exchanger inlet (DN 20 male) 3 Safety heat exchanger outlet (DN 20 male) 4 Thermal safety device (TAS) 5 Runoff connection to drainage system Figure 4/31 - Thermal safety device pipework...

  • Page 70: Hydraulic System

    4 Planning and installation – Hydraulic system 4.10 Hydraulic system +HDWLQJ FLUFXLW GLVWULEXWRU Figure 4/32 - Hydraulic system (accumulator 1) +HDWLQJ FLUFXLW GLVWULEXWRU Figure 4/33 - Hydraulic system (accumulator 2) 1 Accumulator sensor, top 2 Accumulator sensor, middle 3 Accumulator sensor, (optional) 4 Accumulator sensor, (optional) 5 Accumulator sensor, bottom These hydraulic systems are only suitable for use in the specified...

  • Page 71: Commissioning The System

    5 Commissioning the system – Requirements 5 Commissioning the system The heating system is initially commissioned by specialists from HDG Bavaria or from an authorised HDG partner. The commissioning includes an introduction to the operation and maintenance of the heating system as well as performing measurements on the system to determine exhaust emissions and firing performance.

  • Page 72: Procedure

    ETTING THE DISPLAY LANGUAGE Different languages can be set for the display texts. ✎ See chapter “6 Using the heating system”, section “6.5 Calling up information, selecting and modifying parameters”. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 73: Checking The Actuators In Manual Operation

    AND INTERMEDIATE PUMP ✎ See chapter “6 Using the heating system”, section “6.9 MANUAL menu”, paragraph “Return pump, return mixer and intermediate pump”. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 74: Filling The Transfer Station Of The Central Ash Removal System

    In this submenu, the feed system, auger trough 2 and dosage can be EED SYSTEM AUGER TROUGH activated manually in connection with the HDG feeding system TBZ AND DOSAGE 150. ✎ See chapter “6 Using the heating system”, section “6.9 MANUAL menu”, paragraph “Feed system, auger trough 2 and dosage”.

  • Page 75: Filling The Fuel Storage

    Fill the fuel storage. ✎ See chapter “6 Using the heating system”, section “6.13 Filling the fuel storage”. ✓ The fuel storage is filled. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 76: Adapting Parameters

    Only allow authorised specialists to make adjustments to the parameters. The parameters of the HDG Control unit are programmed with the predefined factory settings upon delivery. The predefined values of the factory settings are intended for operation with wood chips.

  • Page 77: Using The Heating System

    Acknowledge fault button • flashes when there is a fault. • lights up when a fault is eliminated. • must be pressed after rectifying a fault. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 78: Control Cabinet Model Emd-C 215 Exclusiv

    1 Lock mechanism of control cabinet 2 Main switch 3 Emergency stop 4 Acknowledge fault button with fault light 5 “System operation” indicator light 6 Engage switch 7 Control unit HDG Control © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 79: Control Unit For Hdg Control

    10 Enter or Input button 11 Function buttons (F1 to F6) 12 CE button The control unit of the HDG Control is located in the front plate of the control cabinet. Through the control unit, you can adjust the HDG Control and obtain information on current processes.

  • Page 80: Switching On The Heating System

    One step forwards. Configuration button • If the HDG Control is traded, the configuration key is used to confirm adoption of the previous hours of operation. 6.2 Switching on the heating system Before the heating system is switched on, the following...

  • Page 81: Switching Off The Heating System

    Allow the heating system to burn out until the combustion air fan switches off. Turn the heating system main switch off. ✓ No operating mode is displayed on the control unit of the HDG Control. ✓ The heating system has been de-energised.
  • Page 82 The residual oxygen value for combustion has fallen below the Lambda stop minimum. • The heating system waits until the minimum residual oxygen value has been reached again. Table 6/1 - Operating statuses (continuation) © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 83: Calling Up Information, Selecting And Modifying Parameters

    6.5 Calling up information, selecting and modi- fying parameters On the display of the control panel for the HDG Control, you can call up various information as well as select and modify parameters. Due the freely programmable design and the numerous options in heating system combinations, especially in regard to the extraction technology, the number of parameters can vary greatly.
  • Page 84 If the parameters are changed by untrained individuals, the heating system can be damaged and dangerous operating conditions can arise. Have changes to the following parameters made only by authorised specialists. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 85: On/Off Menu

    CTIVATING OILER parameter 1-05 . Boiler 2 is activated by a relay (K21) of Boiler 1. A normally-open contact of K21 is wired to the outgoing terminals 68/ © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 86: Setting Operating Times

    If you want the heating system to be ready for operation 24 hours a day, the first switch-on time must be set to ON: 00:00 and the first switch-off time to OFF: 24:00! Set the times using the numerical keypad. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 87: Setting The Control, Boiler Activation And Lambda Stop

    See “Procedure” in this section. Setting 1-02 Control : Combustion control Activate boiler : Accumulator sensor Lambda stop : On FIELD CHOOSE The standard setting for systems with accumulators is Combustion control. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 88 If the specified minimum residual oxygen value is not met, the fuel CTIVATING THE FUNCTION “L ” feeding is interrupted until the residual oxygen values are again AMBDA within the acceptable range. ✎ See “Procedure” in this section. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 89: Modifying Fan Settings

    The movement of the stepped grate and the ash removal system can be switched off. ✎ See “Procedure” in this section. Setting 1-04 De-ashing : Automatic CHOOSE The standard setting is Automatic. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 90: Changing The Cleaning System Setting

    In this version, the extraction runs continuously upon demand. ✎ See “Procedure” in this section. Setting 1-06 Delivery system : Continuous running CHOOSE The standard setting is Continuous. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 91: Modifying The Walking Floor Setting

    Scroll with the F1 or F2 key to the previous or next submenu. ✓ The first resettable parameter is shown in black. Enter the desired value using the numerical keypad. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 92: Defining The Switch On/Off Times For The Boiler

    The standard setting for the boiler switch-on temperature for acc. top below is 70 °C. The standard setting for the boiler switch-off temperature for acc. bottom above is 70 °C. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 93: Integrating The Peak Load Boiler

    Combustion unit 80 / 64 °C The Boiler temperature must not fall below 70°C and must not exceed 85°C. The Return temperature target value must not fall below 60°C. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 94: Pressure In The Combustion Chamber

    The varying quality of the heating material can also be taken into account. All parameters can be newly defined and reset for each type of material. The current return temperature can also be read here. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 95: Fixed Value - Setting The Fuel And Air Quantity

    In this menu, the settings of the fuel and air quantities are fixed value presets for “Fixed value” operation only. ✎ See section “6.6 ON/OFF menu”, under “Setting the control, boiler activation and Lambda Stop”. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 96: Setting The Return Pump

    Press the F3 key under the standard display screen. ✓ You are in the Time menu. Scroll with the F1 or F2 key to the previous or next submenu. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 97: Setting The Filling, Ignition And Fan Activation

    ✎ See “Procedure” in this section. Time 3-02 © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 98: Setting The Grate Times

    ✎ See “Procedure” in this section. Time 3-04 Ash auger. Grate runtime 30/0 sAsh auger. Grate pause time : 13.0/0.0 m Ascending auger lag time 30/0 s © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 99: Cleaning System

    In this submenu you can set up to two times for the main cleaning Cleaning and ash removal are activated at the preset time. ✎ See “Procedure” in this section. Cleaning 3-06 On: 00:00 On: 00:00 Time 11:50 © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 100: Stoker Auger Delay

    This is an optional submenu and only available with walking floor delivery systems and double heating systems. ✎ See “Procedure” in this section. Agitator 3-14 Agitator lag time : 2.0 / 0.0 s © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 101: Setting The Walking Floor Delivery System

    Change the setting with the numerical keypad. The day setting can be set to any day of the week; for Monday the setting is Day 01. Press the Enter button. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 102: Manual Menu

    The fans can be activated manually in this submenu. ✎ See “Procedure” in this section. Manual mode 4-01 Flue gas fan Primary air fan Secondary air fan Ignition fan FIELD © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 103: Primary And Secondary Air Flaps

    Ash auger. heat exchanger Cleaning system FIELD ETURN PUMP RETURN MIXER AND INTERMEDIATE PUMP This submenu is used to manually activate the return pump and return mixing valve. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 104: Feed System, Rotary Wheel And Material Conveying Auger

    FIELD EED SYSTEM ROTARY WHEEL AND MATERIAL CONVEYING AUGER The following actuators are only available when using the HDG feeding system TBZ 200. This submenu is used to manually activate the feed system, the rotary wheel and the material conveying auger from the fuel storage.

  • Page 105: Material Conveying Auger And Agitator

    3 seconds. OVING FLOOR TRANSVERSE AUGER The following actuators are only available when using the HDG walking floor feeding system. In this submenu the transverse auger can be activated manually.

  • Page 106: Moving Floor - Hydraulic System

    4-08 Transverse auger FIELD OVING FLOOR HYDRAULIC SYSTEM The following actuators are only available when using the HDG walking floor feeding system. In this submenu the drive of the walking floor can be activated manually. ✎ See “Procedure” in this section.

  • Page 107: Chimney Sweep Test

    When operating the heating system without an accumulator, the chimney sweep test can also be carried out in partial load operation with 30% of the nominal thermal power. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 108: Operating Hours Counter

    See “Procedure” in this section. Using the F1 key, select service hour counter 11-01in the submenu. Counter operating hours 11-01 Boiler 0:00:00 Dosage 0:00:00 Feeding 0:00:00 Ash removal 0:00:00 RESET © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 109: Service Messages 1 - Setting Reminder Time

    When the preset runtime of the ash removal auger is exceeded, the warning “Please empty ash box” appears. The heating system does not shut off at the appearance of this warning. The “0” setting deactivates this function. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 110: Service Messages 3 - Setting Reminder Time

    “Perform service soon” appears. The heating system does not shut off at the appearance of this warning. The “0” setting deactivates this function. • Perform WA_2 Service © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 111: Setting The Boiler Overheating Temperature Or Hysteresis, Minimum Return Temperature And Combustion Chamber Stop Temperature

    Combustion chamber temperature stop After the set temperature is exceeded, the heating system switches to the operating state Comb.chamber temp. stop. ✎ See “Procedure” in this section. Service 5-03 © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 112: Setting Reverse Feeding And Ignition Temperature

    Setting the maximum number of reverse moving attempts. • Ignition temperature If the temperature in the hot combustion chamber exceeds this value, the HDG Control does not switch on the ignition fan for starting the heating system. ✎ See “Procedure” in this section.

  • Page 113: Fuel Quantity 1St Modifying Filling And Air Start Setting

    Three settings are available in each phase: – Off: The ignition fan is not yet activated in this phase. – Fan: Only the fan of the ignition fan is activated. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 114: Setting Vacuum Pressure Controller

    The calibration of the lambda sensor can only be performed when the heating system is in a cooled state and should be performed once yearly. The voltage of the lambda sensor must reach -7.0 mV within 15 minutes. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 115: Chimney Sweep Test

    • Boiler set temperature 30/100% The boiler set temperature for the chimney sweep test in partial load (30%) and nominal load (100%) can be set. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 116: Peak Load Boiler Monitoring

    Temp. rise less than 70°C Delay time 30 / LUE GAS TEMPERATURE • Cleaning system start When this set temperature is exceeded, the cleaning system starts • Max. flue gas temperature © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 117: Setting Interface Rs485

    Interface parameters 5-17 Function RS485-1 :without interface EDIT RTU - W ETTING ODBUS EB SERVER The address of the controller can be set here (especially with multiple systems). © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 118: Setting Modbus Rtu - Ddc

    Profibus network ✎ See “Procedure” in this section. Setting Profibus DP - DDC 10-04 Profibus address : Address = 1 Profibus rights : 3-HDG FIELD © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 119: Entering Passwords

    Press the F4 and F5 keys to adopt the factory settings. ✓ The factory settings are adopted. Press the F6 key under the END command to exit the Service 5-20 submenu. ✓ The standard display is restored. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 120: Setting Output Control

    Press the F4 key under the CHOOSE command in the display and enter the desired value. Press the F6 key under the END command to exit the Preset value output control 6-11 submenu. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 121: Entering Fuel And Temperature Settings

    Lambda Stop”. ✎ See “Procedure” in this section. Primary air fan 6-04 Air_Max : 35% Fuel_SET : 50.0% Air_MIN : 25% Air_SET : 30 % © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 122: Setting Preset Values For Primary Air Flaps

    See “Procedure” in this section. O2 preset value 6-06 O2_MAX : 7.0 % CCT_SOLL: 650°C O2_MIN : 7.0 % CCT_IST : 50°C O2_SET : 7.0 % O2_ACT : 12.8 © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 123: Entering The Secondary Air Setting

    Combustion and output control. ✎ See section “6.6 ON/OFF menu”, under “Setting the control, boiler activation and Lambda Stop”. ✎ See “Procedure” in this section. Preset value secondary air flaps 6-08 © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 124: Adapting The Fuel Quantity/O2

    The standard setting is -10% for Delta FUE_MIN and 10% for Delta FUE_MAX. ETTING VACUUM PRESSURE CONTROL VALUES This menu is used to define the settings for fan speed with the HDG cyclone dust extractor and the vacuum pressure value for the vacuum pressure control.

  • Page 125: Setting Air Flap Delay

    In the fault archive, press the F5 key under the RESET command to delete the fault. Press the F6 key under the END command to exit the Fault information menu. ✓ The standard display is restored. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 126: Maintenance Function

    The message Waiting for enabling appears in the display. ✓ The boiler switches to the burning out phase. ✓ When burn-out time complete, message Maintenance enabled appears in the display. Function 1-10 © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 127: Filling The Fuel Storage

    See section “6.2 Switching on the heating system” in this chapter. Check whether the delivery system is running. Fill the fuel storage. ✓ The filling of the fuel storage is completed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 128: Procedure For Filling With Pellets

    EST EVERY TWO YEARS in accordance with the requirements of the federal emission limits (1. BImschV). EFORE THE TEST Clean the heating system completely about 2-3 days prior to the test. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 129: During The Test

    (It is absolutely essential to avoid the heating up and burning out phases.) Having the test repeated by the combustion engineer or by HDG specialists will incur charges. Please observe the following when carrying out the chimney sweep test: •...
  • Page 130 Press the F6 key under the End command to cancel the chimney sweep test. The chimney sweep test is also cancelled if the specified measurement duration is exceeded. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 131: Cleaning And Servicing The Heating System

    The cleaning and maintenance work can also be performed by an authorised specialist heating company through a servicing contract. PARE PARTS Only use genuine HDG spare parts. You can obtain HDG replacement parts from your specialist heating company. 7.1 Cleaning and maintenance schedule The specified maintenance intervals are guidelines.

  • Page 132: Procedure

    The display changes to the Function 1-10 submenu. Function 5-22 Maintenance FIELD Press the F3 key under the FIELD command. ✓ The Maintenance function is selected. Function 5-22 Maintenance : On Waiting for enabling FIELD © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 133: Generally Applicable Safety Instructions

    Switch the heating system off and only start with the cleaning and maintenance work when the surfaces have cooled down. Ensure that the main switch is secured against being switched back on. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 134: Cleaning Tools

    When applying lubricants, oils and grease, observe the specifications of the respective manufacturer. LEANING TOOLS Figure 7/1 - Cleaning tools 1 Scraper, angled 2 Scraper, straight 3 Wall holder 4 Scraper, short © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 135: Removing The Cladding

    Pry the mounting plate (2) upward with the screwdriver (4). Unhook the cladding section (1). Proceed in the same manner with the other cladding sections. ✓ The cladding is removed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 136: Lubricating The Feeding System

    ✎ Observe the “Generally applicable safety instructions” in this section. HDG TBZ 150 The HDG feeding system TBZ 150 must be lubricated every 150 operating hours. Place the grease gun on the lubricating nipple (1). Press three strokes of grease into the feeding system.

  • Page 137: Cleaning The Stepping Grate

    Allow the fire in the heating system to burn out and cool down. Figure 7/6 - Removing the cladding Remove the three cladding sections (1). ✎ See “Removing the cladding” in this section. Figure 7/7 - Cleaning the stepping grate © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 138: Cleaning The Combustion Chamber

    Allow the ash to cool and place it only in a suitable fireproof container. Activate the maintenance function. ✎ See section “Maintenance function” in this chapter. Allow the fire in the heating system to burn out and cool down. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 139 Close the boiler in the reverse order. 10.Deactivate the maintenance function. ✎ See section “Maintenance function” in this chapter. ✓ The cleaning of the combustion chamber is completed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 140: Checking And Emptying The Ash Container

    Activate the maintenance function. ✎ See section “Maintenance function” in this chapter. Allow the fire in the heating system to burn out and cool down. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 141 Activate the maintenance function. LY ASH CONTAINER ✎ See section “Maintenance function” in this chapter. Allow the fire in the heating system to burn out and cool down. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 142: Cleaning The Cleaning Shaft

    The cleaning shaft lid is very heavy and can fall shut. Hands and arms could thereby be crushed. Take care not to bump into the opened cleaning shaft lid and cause it to fall shut. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 143 Allow the fire in the heating system to burn out and cool down. Figure 7/12 - Cleaning the cleaning shaft Release the two M16 screws (2) (24 mm spanner). Fold open the cleaning shaft lid (1) towards the back. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 144: Cleaning The Vacuum Pressure Pipe For The Pressure Switches

    Inspect the vacuum pressure pipe (2) for dirt and dislodge it if nec- essary with a wire or a compressor. Attach the hose to the vacuum pressure pipe (2). © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 145: Cleaning The Vacuum Pressure Pipe For The Differential

    Mount the cladding (2) in the reverse sequence. Deactivate the maintenance function. ✎ See section “Maintenance function” in this chapter. ✓ The cleaning of the vacuum pressure pipe for the differential pressure transmitters is completed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 146: Cleaning The Control Unit

    7 Cleaning and servicing the heating system – Procedure LEANING THE CONTROL UNIT Figure 7/15 - Control unit for HDG Control Clean the control unit with a moist, lint-free cloth. For stubborn dirt, use a mild detergent. Wipe the control unit dry with a soft cloth.
  • Page 147 Mount the cladding on the boiler in the reverse sequence. Deactivate the maintenance function. ✎ See section “Maintenance function” in this chapter. ✓ The check of the drive chain of the ash removal system is completed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 148 Replace the cover (3) on the feeding system. Deactivate the maintenance function. ✎ See section “Maintenance function” in this chapter. ✓ The check of the drive chain of the feeding system is completed. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 149: Cleaning The Ignition Fan

    (5). Pull off the hot air nozzle (5). Remove the insulating tube (6) and the seal (3). Pull the heating element (2) out of the plug contacts (7). © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 150: Cleaning And Calibrating The Lambda Sensor

    ✎ See section “Maintenance function” in this chapter. Allow the fire in the heating system to burn out and cool down. Figure 7/20 - Cleaning the lambda sensor © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 151: Cleaning The Flue Gas Temperature Sensor

    LEANING THE FLUE GAS TEMPERATURE SENSOR Important! ✎ Observe the “Generally applicable safety instructions” in this section. Activate the maintenance function. ✎ See section “Maintenance function” in this chapter. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 152: Cleaning The Flue Gas Pipe

    Observe the “Generally applicable safety instructions” in this section. Activate the maintenance function. ✎ See section “Maintenance function” in this chapter. Allow the fire in the heating system to burn out and cool down. © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 153: Cleaning The Pressure Equalisation Hose

    HDG feeding system TBZ 150. Important! ✎ Observe the “Generally applicable safety instructions” in this section. Activate the maintenance function. ✎ See section “Maintenance function” in this chapter. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 154: Cleaning Fly Ash Section

    Allow the fire in the heating system to burn out and cool down. Figure 7/24 - Remove fly ash container Do this by lifting up the clamp handle (4) and releasing the stop on the ash container (5). © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...

  • Page 155: Inspecting The Fuel Storage

    Close the access hatch. Deactivate the maintenance function. ✎ See section “Maintenance function” in this chapter. ✓ The inspection of the fuel storage is completed. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 156: Troubleshooting

    Check the electrical not connected connection • Overpressure in combustion • Clean heat exchanger ES017 Overpressure in chamber combustion • Heat exchanger dirty chamber Table 8/1 - Faults © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 157 Bus cable disconnected or not connected properly • • Overpressure in combustion Clean heat exchanger ST039 Overpressure in chamber combustion • Heat exchanger dirty chamber Table 8/1 - Faults (continuation) © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 158 • Line from combustion sensor/line and replace if is faulty chamber temperature sensor necessary faulty Table 8/1 - Faults (continuation) © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 159 Check limit switch overfilling • Faulty limit switch • Check the electrical • Connection cable faulty connection • Material blockage • Eliminate material blockage Table 8/1 - Faults (continuation) © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 160 • Faulty limit switch Check the electrical tube converter • Connection cable faulty connection position 2 • • Material blockage Eliminate material blockage Table 8/1 - Faults (continuation) © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 161 • Check the relay defective • Relay in control cabinet • Check plug contact faulty • Plug contacts on the fan are faulty Table 8/1 - Faults (continuation) © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 162 Check accumulator sensor WA196 Accumulator top • • Line faulty Check the electrical temperature • Analogue module faulty connection sensor faulty • Replace analogue module Table 8/1 - Faults (continuation) © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 163 Motor is faulty Check the motor • • Motor cable faulty Check the motor cable • • Faulty limit switch Check limit switch Table 8/1 - Faults (continuation) © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...
  • Page 164 Set monitoring time for ash Empty ash box WA225 Please empty ash • removal augers exceeded Reset time in the parameter box! 11-04 with RESET Table 8/1 - Faults (continuation) © HDG M299/300/350/400 - Version 1 - en HDG Bavaria GmbH 07/2008...
  • Page 165 WA247 Traverse auger • Traverse auger overfull • Check traverse auger container 2 full • Traverse auger motor faulty • Check the motor Table 8/1 - Faults (continuation) © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en...

  • Page 166: Notes On Dismantling And Disposal

    Once it has cooled down, drain the heating water from the system. Observe the safety regulations for personnel when disconnecting the boiler from the heating system. Dismantle the individual components of the boiler. ✓ The boiler has been dismantled. © HDG M299/300/350/400 - Version 1 - de HDG Bavaria GmbH 07/2008...

  • Page 167: Disposal

    The geared motor should be dismantled into its separate components and cleaned if necessary. Metal parts should be recycled. Oily or greasy components and condensers may only be disposed of through a specialist waste disposal centre. © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - de...

  • Page 168: Warranty

    Damage caused by external influences (such as fire, water, lightning, excess voltage) and normal wear and tear (such as seals, etc). • Damage due to an excessively high number of hours of boiler operation. © HDG M299/300/350/400 - Version 1 - de HDG Bavaria GmbH 07/2008...

  • Page 169: Appendix

    Part 5: Heating boilers for solid fuels, hand and automatically fired, nominal heat output of up to 300 kW. Terminology, requirements, testing and marking Massing, 17.05.2013 -------------------------------------------------------------------------------------------------------------------------------------------- Place, date Signature Martin Ecker © HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - de...

  • Page 170: Index

    Feeding system ......10, 17 © HDG M299/300/350/400 - Version 1 - de HDG Bavaria GmbH Juli 2005...
  • Page 171 12 Index Fixed value ......22, 87, 95 Flue draught requirement ....23, 37 Residual risks .
  • Page 172 OTICE © HDG M299/300/350/400 - Version 1 - de HDG Bavaria GmbH Juli 2005...
  • Page 173 OTICE...
  • Page 174 OTICE © HDG M299/300/350/400 - Version 1 - de HDG Bavaria GmbH Juli 2005...
  • Page 176 HDG Bavaria GmbH Heizsysteme für Holz Siemensstraße 22 D-84323 Massing Tel. +49(0)8724/ 897-0 info@hdg-bavaria.com www.hdg-bavaria.com Art.Nr: 9980001542 - V 03 - en - 03/2014 - Translation of the original operating instructions...

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