KOB PYROMAT ECO 35 Technical Manual
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KOB PYROMAT ECO 35 Technical Manual

Wood gasification boiler, 40 to 170 kw
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PYROMAT ECO
Wood gasification boiler, 40 to 170 kW
Technical guide
PYROMAT ECO
Wood gasification boiler for logs up to 100 cm in length and
residual wood, with a connection option for an oil burner
5822 508 GB
5/2010

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  • Page 1 PYROMAT ECO Wood gasification boiler, 40 to 170 kW Technical guide PYROMAT ECO Wood gasification boiler for logs up to 100 cm in length and residual wood, with a connection option for an oil burner 5822 508 GB 5/2010...

  • Page 2: Table Of Contents

    Index Index Principles of wood combustion for 1.1 Principles of log combustion for generating heat ............generating heat ■ Units of measurement for wood fuel ................. ■ Calorific and emission values ................... ■ Influence of moisture on the net calorific value ............1.2 Minimum wood fuel requirements .................
  • Page 3 Index (cont.) Design information 7.1 Positioning ........................37 7.2 Connection on the flue gas side ................... 37 7.3 Water connection ......................38 ■ Sizing of the heating water buffer cylinder to EN 303-5 ..........38 ■ Safety equipment to DIN EN 12828 ................38 Application examples 8.1 Sample application ......................

  • Page 4: Principles Of Wood Combustion For

    Principles of wood combustion for generating heat 1.1 Principles of log combustion for generating heat Units of measurement for wood fuel The units of measurement commonly used in forestry and the timber The stacked cubic metre (stcm) is a measure for stacked or tipped industry for wood fuel are solid measures of timber (smt) and stacked wood, measuring a total volume of 1 m , including air gaps.

  • Page 5: Minimum Wood Fuel Requirements

    Principles of wood combustion for generating heat (cont.) The graph shows the dependency of the net calorific value on the water ■ Stack the logs with generous air gaps to enable the flowing air to content, using spruce as an example. With a water content of 20 % carry off the dissipating moisture.

  • Page 6: Further Information

    Principles of wood combustion for generating heat (cont.) Further information Ash and cleaning Changing fuels Natural wood without bark has a percentage of ash less than 0.5 % of Frequent and intensive changes in fuel quality, e.g. bulk density, water the supplied fuel mass.

  • Page 7: Pyromat Eco 2.1 Product Description

    Pyromat Eco 2.1 Product description Benefits A Upper charging door with a large hopper, with an extended down- ward taper B Secondary combustion chamber for complete burnout C Maintenance cover for secondary combustion chamber with trol- ley for burner support D Vertical tubular heat exchanger for optimum heat transfer E Flue gas fan, solid version for long service life;...

  • Page 8: Delivered Condition

    Pyromat Eco (cont.) Delivered condition Boiler with the following components: ■ 13 buttons for operating external controllers ■ Fully wired flue gas fan with flue gas temperature sensor and ■ 3 sensors KTY incl. sensor well (R ½, 280 mm long) wired jointly to Lambda probe connector ■...

  • Page 9: Specification

    Pyromat Eco (cont.) 2.2 Specification Specification Pyromat Eco... Rated output Min. heat consumption, wood Max. log length Hopper capacity Boiler water content Boiler weight (dry) 1040 1065 1300 1320 1680 1720 Test pressure Max. operating pressure Max. boiler water temperature, wood °C Min.
  • Page 10 Pyromat Eco (cont.) d 183 ≥100 ≥800 AGA Flue gas connection Sockets for electrical connection Drain Boiler control valve with servomotor Boiler return Cleaning door, top Boiler flow Flow temperature sensor Safety connection for thermally activated safety valve Flange for fitting the burner trolley, maintenance cover, com- Sight glass (transportation hook) bustion chamber (on both sides) Temperature sensor for thermally activated safety valve...
  • Page 11 Pyromat Eco (cont.) Dimensions Pyromat Eco ... 1433 1433 1490 1490 1490 1490 1433 1433 1490 1490 1324 1324 1324 1324 b without thermal 1246 1246 1246 1246 insulation 1080 1080 1080 1080 1331 1331 1389 1389 1386 1386 1328 1328 1386 1386...

  • Page 12: Control Unit 3.1 Specification For Ecotronic

    Control unit 3.1 Specification for Ecotronic Structure and function Modular structure Functions The Ecotronic system control unit is a decentralised microprocessor ■ Output and cylinder control is carried out by constantly regulating air system (CAN BUS). To control the boiler system, the Ecotronic com- dampers with heat-up and burnout optimisation prises a module (PCB) integrated into the boiler, and the programming Rated load: during cylinder heating...

  • Page 13: Controller, Heat Source, Single

    Control unit (cont.) Optional combinations Additional controller modules (ECO-RM-00) for an additional charge 1 controller module 2 controller modules 3 controller modules Programming module Max. 4 controllers and 7 sensors Max. 8 controllers and 14 sensors Max. 13 controllers and 21 sensors 13 controller keys possible possible...

  • Page 14: Controller, Heat Source, Single, Modulating

    Control unit (cont.) Controller, heat source, single, modulating Part no. 7387 859 The additional heat source is automatically switched on after heat is drawn from the buffer cylinder to cover the heat demand (single oper- ation). Heating of the buffer cylinder is only possible with the Pyro- mat Eco.

  • Page 15: Controller, Adjacent Building

    Control unit (cont.) Controller, adjacent building Heating circuit with mixer and DHW pipe Part no. 7387 865 The cable to the adjacent building is controlled with weather compen- sation via the heating circuit control unit. The DHW cylinder is heated with the selected maximum flow temperature.

  • Page 16: Controller, Long-Distance Line

    Control unit (cont.) Controller, long-distance line Part no. 7379 401 A building is supplied with separate heat distribution via a long-dis- tance line. The long-distance line is controlled upstream according to the demand of the heating circuits. The heating circuits of the separate heat distri- bution must be controlled via the Ecotronic.

  • Page 17: Controller, Dhw Cylinder B1

    Control unit (cont.) Controller, DHW cylinder B1 Part no. 7387 853 When the temperature of the DHW falls, the DHW is reheated via the internal indirect coil by the boiler or the buffer cylinder. This is depend- ent on a corresponding difference in temperature (either differential temperature or fixed temperature control unit).

  • Page 18: Controller, Dhw Circulation

    Control unit (cont.) Controller, DHW circulation Part no. 7387 849 The DHW circulation periods (individual day and seven-day program) can be adjusted via the integral time switch. The start-up duration of the DHW circulation pump can be adjusted via timed cycling. Standard delivery: ■...

  • Page 19: Controller, Solar/Dhw And Central Heating

    Control unit (cont.) Controller, solar/DHW and central heating Part no. 7387 786 Optimised DHW priority (either absolute or no DHW priority). Use for a larger solar thermal system for heating the DHW in the solar Cylinder heating with stratification in accordance with the cylinder tem- DHW cylinder and for heat supply to the heating cylinder as a three- peratures via a charging valve for the cylinder front/back.
  • Page 20 Control unit (cont.) PYROMAT ECO...
  • Page 21 Control unit (cont.) PYROMAT ECO...

  • Page 22: Visualisation

    Control unit (cont.) Visualisation Part no. 7387 780 Standard delivery: With a data cable (max. 30 m) to the PC, all data is fed via the serial ■ Visualisation software and installation instructions interface RS 232 from the programming module to the PC. The current operating data for the boiler system is displayed visually on a function Note screen.
  • Page 23 Control unit (cont.) --Y20-- --Y28-- --M20-- --B20-- --B20.1-- --N21.1-- --M1-- A Pyromat Eco D Heat consumer (heating circuits) B Programming module F Buffer cylinder 1 C Controller module (1 to 3 controller modules possible) G Buffer cylinder 2 Heating water buffer cylinder, see page 24 and 38. Visualisation with PC (additional charge), see page 22.

  • Page 24: Heating Water Buffer Cylinder 4.1 Specification, Buffer Cylinder

    Heating water buffer cylinder 4.1 Specification, buffer cylinder Buffer cylinder HPM Buffer cylinder without thermal insulation for a wood combustion sys- Flexible foam insulation to buffer cylinder HPM tem with a maximum boiler output of up to 150 kW. The insulation is made from 100 mm thick flexible PUR foam elements with polystyrene casing.
  • Page 25 Heating water buffer cylinder (cont.) Part no. buffer cylinder (HPM-) 7424 130 7424 131 7424 132 7424 133 7424 134 7424 135 Part no. flexible foam insulation 7424 136 7424 137 7424 138 7424 139 7424 140 7424 141 (HPM-) Connections 50°...

  • Page 26: Dhw Cylinder 5.1 Specification, Dhw Cylinder

    DHW cylinder 5.1 Specification, DHW cylinder DHW cylinder, enamel Combi cylinder with smooth tube internal indirect coils for connecting to the central heating. The inside has a double enamel coating and a magnesium anode offers additional corrosion protection. On the outside, the DHW cylinder is insulated with 50 mm rigid PUR foam, and has optimum thermal insulation through a plastic jacket.

  • Page 27: Dhw Cylinder V4A

    DHW cylinder (cont.) DHW cylinder V4A Combi cylinder with seamless stainless steel internal indirect coils for connecting to the central heating. The inside is made of stainless steel V4A. On the outside, the DHW cylinder is insulated with 50 mm rigid PUR foam, and has optimum thermal insulation through a plastic jacket. The DHW cylinders, type WSF-C800/1000, are thermally insulated with 90 mm rigid PUR foam shells with a polystyrene panel (Lambda value 0.0237).

  • Page 28: Specification, Solar Dhw Cylinder

    DHW cylinder (cont.) 5.2 Specification, solar DHW cylinder Solar DHW cylinder, enamel Combi cylinder with two smooth tube internal indirect coils for connecting to the central heating and the solar collector. The inside has a double enamel coating and a magnesium anode offers additional corrosion protection. On the outside, the DHW cylinder is encased in 50 mm of rigid PUR foam, with a plastic jacket providing optimum thermal insulation.

  • Page 29: Solar Dhw Cylinder V4A

    DHW cylinder (cont.) Dimensions Type WSS-E300 WSS-E400 WSS-E500 WSS-E600 WSS-E800 WSS-E1000 — — — — 1645 1275 1615 1925 1820/1730 2150/2060 1020 1020 1045 1195 1000 1000 1150 1150 1195 1350 1200 1150 1400 1550 1400 1600 1330 1235 1525 1670 1580 1845...
  • Page 30 DHW cylinder (cont.) Immersion heater Boiler return Boiler flow Cold water SPR1 Temperature sensor, differential to boiler/cylinder SPR2 Temperature sensor, differential to collector Heating water return, solar thermal system Heating water flow, solar thermal system Thermometer Domestic hot water SPR1 DHW circulation SPR2 Dimensions...

  • Page 31: Accessories, Dhw Cylinder

    DHW cylinder (cont.) 5.3 Accessories, DHW cylinder Intermediate flange D = 290/180 mm Description Part no. Note Intermediate flange required for installing an immersion heater in 800 Intermediate flange D 290/180 mm, enamel 7388 149 litre and 1000 litre DHW cylinders. Intermediate flange D 290/180 mm, V4A 7388 275...

  • Page 32: Installation Accessories 6.1 Boiler Accessories

    Installation accessories 6.1 Boiler accessories Boiler safety equipment Thermally activated safety valve 100 °C Note Part no. 7387 405 Even if this safety equipment is not stipulated in local safety regula- Standard version for response temperature fixed approx. 100 °C, con- tions, its use is still recommended.

  • Page 33: Accessories, Heat Distribution

    Installation accessories (cont.) 6.2 Accessories, heat distribution Motorised three-way valve Description Type Part no. Motorised three-way valve, VXG 48.25/SSY 319 ZV-3-25 7387 484 Motorised three-way valve, VXG 48.32/SQS 35.0 ZV-3-32 7388 049 Motorised three-way valve, VXG 48.40/SQS 35.0 ZV-3-40 7388 204 Precise control characteristics and an airtight seal without leaks.

  • Page 34: Heating Distributor Connection

    Installation accessories (cont.) 260 57 80 130 A LVW-65-3 C LVW-65-V B LVW-65-2 D Bracket Connections Boiler: Flow/return, R 1½ , on l.h. or r.h. side Cylinder: Flow/return, R 1½ , on l.h. or r.h. side Consumer: Flow/return, R 1 , at top with bypass, for 2 or 3 groups, incl.

  • Page 35: Accessories For The Flue System

    Installation accessories (cont.) 6.3 Accessories for the flue system Reduction, flue gas connection Description Part no. Note Only for boiler systems Pyromat 35, 45, 55, 65 Reduction, flue gas connection DN 160 7387 961 Reduction, flue gas connection DN 180 7387 892 Reduction of flue gas connection from DN 200 to DN 160 or DN 180 (plug-in, extension by 110 mm)

  • Page 36: Flue Gas Dust Extractor

    Installation accessories (cont.) Flue gas dust extractor Description Part no. Flue gas dust extractor, Pyromat 35-65 7423 647 Flue gas dust extractor, Pyromat 75-151 7423 648 Axial cyclone dust extractor for fitting at the flue outlet of the boiler. Ash removal is carried out at the bottom from the side. The dust extractor is insulated and encased in powder coated sheet steel.

  • Page 37: Design Information 7.1 Positioning

    Design information 7.1 Positioning The specified wall clearances are required for installation and main- Pyromat 35 – 75 tenance work, and must therefore be observed. Eco... Minimum clearances given given given given given given ≥ 100 ≥ 100 ≥ 100 ≥...

  • Page 38: Water Connection

    Design information (cont.) 7.3 Water connection Sizing of the heating water buffer cylinder to EN 303-5 Minimum cylinder volume for assumed Q with T × Q for beech Burnout time in h (dry). Heat load of the building in kW Buffer cylinder capacity in litres Lowest output in kW cyl.

  • Page 39: Application Examples 8.1 Sample Application

    Application examples 8.1 Sample application Sealed system with diaphragm expansion vessel (boiler with heating water buffer cylinders, two heating circuits with mixers and an additional heat source (optional)) Applications Diaphragm expansion vessel Heating through log boiler The diaphragm expansion vessel must be connected to the boiler, without shut-off devices, via the boiler flow.
  • Page 40 Application examples (cont.) Hydraulic installation scheme WW DHW drain KW Cold water supply, on site, 2.5 to 3.5 bar For sizing of the heating water buffer cylinder, see page 38. Connections ECO 33 to 55 and 65 ECO 61 and 75 to 151 Flow Return Cold water inlet...

  • Page 41: Appendix 9.1 Sizing The Expansion Vessel

    Application examples (cont.) Pos. Description Motor, secondary air damper 2 Flue gas temperature sensor PT-100 Flue gas fan Lambda probe Return temperature sensor KTY Thermally activated safety valve TS, R ¾, individually tested, opening temperature 95-100 °C (safety heat exchanger integrated into the boiler) Boiler water temperature sensor KTY Temperature indicator (thermometer)

  • Page 42: Keyword Index

    Keyword index Accessories Installation scheme (example)............40 ■ For heat distribution..............33 ■ For the boiler.................32 ■ For the control unit................12 Logs....................4 ■ For the DHW cylinder..............31 ■ For the flue system...............35 Minimum clearances................37 Minimum wood fuel requirements............5 Boiler ■ Delivered condition.................8 Buffer cylinder Safety equipment................38 ■...
  • Page 43 PYROMAT ECO...

  • Page 44: Pyromat Eco

    Subject to technical modifications. Viessmann Werke GmbH&Co KG Köb Holzheizsysteme GmbH D-35107 Allendorf Flotzbachstrasse 33 Telephone: +49 6452 70-0 A-6922 Wolfurt Fax: +49 6452 70-2780 Telefon: +43 (0)5574 6770-0 www.viessmann.com Telefax: +43 (0)5574 65707 www.koeb-holzfeuerungen.com PYROMAT ECO...

This manual is also suitable for:

Pyromat eco 81Pyromat eco 75Pyromat eco 85Pyromat eco 45Pyromat eco 55Pyromat eco 65 ... Show all

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