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Viessmann KOB PYROTEC, Technical Manual

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Viessmann KOB PYROTEC Technical Manual Download Page 45

■ Control of spur geared motor 3 x 400 V according to boiler control

unit

■ Inspection cover with safety limit switch and sealed outlet

6.12 Fuel discharge by means of agitators

Spring core discharge AF

Part no. 7387 964

for spring core discharge 3.5 m

Part no. 7387 977

for spring core discharge 4.5 m

Silo or bunker discharge with bottom agitator in lightweight version,
especially for smaller bunker volumes and/or lower boiler outputs. The
fuel supply is carried out via a bottom agitator with two leaf spring arms,
which fills a screw channel let into the floor (or intermediate floor). If
the silo is full, the leaf spring arms move to the cover disk. Drive is via
a geared conveyor motor to the discharge screw and via an angular
gear to the agitator. The spring core discharge is suitable for round,
square and rectangular rooms.

Standard delivery:

Spring core discharge according to the project drawing
■ Bottom agitator with two leaf spring arms
■ Drive unit with geared conveyor motor 3 x 400 V
■ Control according to boiler control unit with enabling by the following

conveyor device; speed/output:
Project-related and subject to boiler output and fuel

■ Light barrier for monitoring the fill level at the end of the sealed screw

channel

■ Outlet with inspection cover and safety limit switch

To be carried out on the customer side:

■ Installation of an intermediate floor required (preferably wooden

boards)

Note
1. Discharge screw must be ordered for this!
2. Speed/output of the drives: Sizing by KÖB design department.

Specification
Spring core discharge AF

 

AF 3.5 m

AF 4.5 m

Part no.

 

7387 964

7387 977

a

Max. length of discharge screw 

m

6

6

b

Discharge circuit

m

3.5

4.5

c

Boiler output at angle of inclination

0°

15°

Torque at shaft

Nm

450

450

Pellets S 650

kW

540

540

Woodchips from forest S 200

kW

300

220

Shavings

kW

220

150

Maximum fill level

 

 

 

Pellets S 650

m

2.7

2.7

Woodchips from forest S 200

m

5.0

5.0

Design information

 (cont.)

PYROTEC

45

5822 511 GB

6

 

Summary of Contents for KOB PYROTEC

Page 1: ...PYROTEC Grate combustion 390 to 1250 kW PYROTEC GRATE COMBUSTION Fully automatic wood boiler for the combustion of woodchips pellets shavings and mixed wood 5822 511 GB 05 2010 Technical guide ...

Page 2: ...te transfer 18 Fault message device analogue with battery 18 Export of operating data 18 Visualisation externally via modem connected with cable 18 Visualisation internal 18 Data line to internal visualisation 18 3 5 Mastercontrol for two boiler systems 19 Information on the Mastercontrol 19 3 6 Accessories for Mastercontrol 21 Heat meter signal 21 Requirement additional heat source KP0 21 Require...

Page 3: ...f gate valve 41 Rotary lock valve 41 Dual rotary lock valve with pressure compensation 41 Low water indicator 41 Maximum pressure limiter 41 Minimum pressure limiter 42 Safety valve 42 Expansion vessel 42 6 8 Fire protection 42 Fire protection fuel store 42 6 9 Commissioning 42 Fuel for commissioning 42 Filling the heating system 42 6 10 Fuel 43 Suitable fuels 43 6 11 Fuel discharge by means of sc...

Page 4: ...flector 1 42 x 1 25 m 71 Blast pipe straight 71 Blast pipe with 45 bend 71 Extension blast pipe straight 72 45 bend for blow line 72 6 19 Fuel storage in on site bunker accessories 72 Silo cover manual FDM 2 9 1 3 m 72 Bunker cover hydraulic FDH 73 Fall protection grille 120 for FDH 75 Fall protection grille 200 for FDH 75 Bunker cover movable FDB 75 Fall protection grille 120 for FDB 77 Fall prot...

Page 5: ...pellets enables a low proportion of dust perfect boiler charging and a constant wood boiler output 1 2 Principles of woodchip combustion for generating heat What are woodchips Woodchips are made from 100 natural wood from forests and plan tations This raw material comes in the form of trunks or branches The wood is then processed with high speed cutting tools in accordance with ÖNORM M 7133 The ra...

Page 6: ...he maintenance work is increased and the servicing intervals are short ened The proportion of dust like and fine grain materials should also be minimised in accordance with ÖNORM M 7133 Non wood biomass fuels Non wood biomass fuels such as needles leaves grain straw husks fruit kernels etc are generally unsuitable as a fuel for trouble free operation and therefore not permissible In some cases the...

Page 7: ...rol and regulated primary and secondary air supply Easy service thanks to fully automatic ash removal and optional pneumatic cleaning system Highly developed safety devices ensure a safe and reliable opera tion Optimum system output is the result of manufacture and delivery of all system components from a single source Automatic ignition device prevents having to maintain the incandes cent bed and...

Page 8: ...induced draught fan mm 3186 3186 3378 3452 3717 Weight Boiler kg 1680 2707 3291 4874 5563 Combustion block kg 2970 4238 4953 5779 6520 Displacer rods kg 394 394 394 538 538 Flue gas fan kg 60 62 78 82 107 Supply screw conveyor kg 153 153 153 190 190 Total dry weight kg 5230 7554 8869 11463 12919 Total wet weight kg 6380 8998 10730 13406 15400 Max power consumption Ignition unit W 1600 1600 1600 16...

Page 9: ...3 s 0 37 0 50 0 67 0 88 1 15 CO2 content in the flue gas 14 7 14 7 14 7 14 7 14 7 Flue outlet 7 mm 350 350 350 400 450 Required draught at full load Pa 0 0 0 0 0 Efficiency At full load 7 91 91 91 91 91 At partial load 90 90 90 90 90 4 Values for calculating the size of the flue system to DIN EN 13384 based on 12 0 CO2 5 Actual flue gas temperature as average gross value as per EN 304 at 20 C comb...

Page 10: ...81 3176 c mm 4370 4870 5257 5447 5992 d mm 2060 2560 2562 2562 3107 e mm 577 577 577 657 657 f mm 1200 1200 1200 1275 1275 g mm 2405 2905 2993 2861 3406 h mm 1086 1086 1380 1612 1612 k mm 803 803 803 929 929 l mm 453 453 453 479 479 m mm 2077 2331 2491 2444 2639 n mm 308 308 308 440 440 o mm 1274 1274 1380 1612 1612 p mm 1263 1417 1413 1317 1566 PYROTEC cont 10 PYROTEC 2 5822 511 GB ...

Page 11: ...r temperature sensor K Boiler flow L Secondary air fan M Supply screw conveyor Dimensions Rated output kW 390 530 720 950 1250 a mm 3282 3782 3877 3835 4380 b mm 3800 4300 4434 4392 4937 KR KV B D C E F G H K A M L N O V P Q R S T U KV Boiler flow KR Boiler return A Removal of ash B Cleaning cover heat exchanger C Combustion chamber temperature sensor D Overpressure limiter PYROTEC cont PYROTEC 11...

Page 12: ...iler door M Cleaning pneumatic N Combustion chamber door O Limit switch combustion chamber door P Primary air fan 2 Q Drive infeed grate R Contact sensor supply screw conveyor S Limit switch maintenance cover T Light barrier supply screw conveyor U Extinguishing water connection V Boiler drain and fill valve PYROTEC cont 12 PYROTEC 2 5822 511 GB ...

Page 13: ...g the Lambda probe The pressure control unit ensures a constant underpressure in the combustion chamber Limitation of the combustion chamber temperature with correspond ing variation of air ratio for protection of the fireproof lining Keeping up the return temperature through the boiler ensures a long boiler service life Protection to avoid Excessive temperature Burn back Opening of the combustion...

Page 14: ...witches installed at the supply screw conveyor Infrared light barrier level monitoring separating barrier supply screw conveyor Safety limit switch on inspection cover of supply screw conveyor Contact sensor PT 100 at the supply screw conveyor Sensors and switches at the combustion block and in the flue outlet installation on site Combustion chamber temperature sensor NiCrNi Infrared light barrier...

Page 15: ...or device kW Ampere Volts must be given Control of external drive with light barrier Part no 7387 816 Control of an external conveyor drive without reversing with interrup tion of the upstream charging where there is a risk of overfilling in the inlet by means of an integral light barrier The motors are protected against overload and switched off early in the case of a pressing risk Standard deliv...

Page 16: ...output included in standard deliv ery Issue of the output signals Receipt and processing of an external output restriction Receipt and processing of an external output restriction Incandescent bed Output operation Note Note The installation of Output signals 0 10 V downstream of QM wood heating plants is possible irrespective of additional control mod ules to be used Requirement additional heat so...

Page 17: ...dditional heat source the boiler pump is operating and the control unit of the boiler mixer is enabled Standard delivery Sub menu on touch screen Motor protection boiler circuit pump additional heat source Control of motor shut off device Zero volt contact for the control of the burner Sensor PT 1000 incl sensor well x 280 mm installation return of additional heat source Sensor PT 1000 incl sensor...

Page 18: ...iler room Analogue modem in control panel Windows operating system remote maintenance software pcAny where and visualisation archiving software installed and tested on the industrial PC Images on the screen Cross section image of boiler 3D with display fields Installation scheme for heat source with display fields Table of parameters with change option To be carried out by customer It is the respo...

Page 19: ...een Operation Operation is carried out via a 10 touch screen integrated in the control panel Standard delivery Control panel Surface powder coated in RAL 7035 grey texture Version as per ÖVE VDE directives fully wired to terminal strips fed 3 x 400 V 50 Hz control voltage 230 V or 24 V Freely programmable control unit CE tested program and real time clock are battery backed Contactor overload rela...

Page 20: ...CONTROL 1 1 2 2 MASTER CONTROL ECOTRONIC E F G PYRO CONTROL A Additional heat source B Flow consumers C Cylinder as low loss header D Return consumers E Charging exclusively boiler 1 in control unit boiler 1 F Charging exclusively boiler 2 in control unit boiler 2 G Common charging control unit modules Control unit cont 20 PYROTEC 3 5822 511 GB ...

Page 21: ...ncl sensor well x 280 mm installation in low loss header system sensor Note The electrical output data of the on site boiler pump kW Ampere Volts must be given Requirement additional heat source KP1 Part no 7387 905 Function The additional heat source supplies individually or jointly with the boiler heat to the cylinder This is designed as a low loss header Taking into consideration the inertia of...

Page 22: ... accordance with the documentation Export of operating data Part no 7387 890 Issue of relevant operating data and fault messages of the boiler sys tem via MOD BUS as ASCII dataset via a serial interface to higher control technology on the customer side All selectable parameters can be changed by higher control technology if this is planned by control technology Standard delivery Interface at the c...

Page 23: ...4 1 Specification buffer cylinder Note Specification and information on request Heating water buffer cylinder PYROTEC 23 5822 511 GB 4 ...

Page 24: ...used as a base load boiler Rated output kW 390 530 720 950 1250 Part no 7387 419 7387 921 Note In the boilers Pyrotec 390 and Pyrotec 530 boiler pipes NW40 are used For this reason the flow velocity of the flue gas in these boilers is higher No displacer rods are therefore provided for these boilers Automatic ignition system Part no 7387 420 The heating element is electronically protected against ...

Page 25: ... TS 131 only use with manufacturer dec laration Thermally activated extinguishing valve 50 90 C Part no 7387 521 Thermally opening extinguishing valve with adjustable opening tem perature for on site connection to a pressurised water line or an extin guishing water container Standard delivery Extinguishing valve Danfoss AVTA adjustable 50 90 C with dirt trap Supply screw conveyor two level Part no...

Page 26: ... an overall system Pumps Rated output Designation Part no DN mm Voltage V Output W Output m3 h mWS Incl complete fitting 390 kW Wilo TOP S 50 7 DM ZPS 506 4 7338 271 50 400 245 625 28 0 7 0 Mating flanges gaskets 530 kW Wilo TOP S 65 10 DM ZPS 656 4 7388 221 65 400 400 960 42 0 9 0 Mating flanges gaskets 720 kW Wilo TOP S 80 7 DM ZPS 806 4 7388 224 80 400 320 880 30 4 5 Mating flanges gaskets 950 ...

Page 27: ...r on the side or top Note The flue gas dust extractor is required for fuels with an increased fine percentage Fine percentage 4 Standard delivery 1 flue gas dust extractor 240 or 800 1 ash container with a hopper volume of 240 or 800 litres Note Additional ash containers must be ordered separately Flue gas dust extractor 240 Rated output kW 390 530 720 950 1250 Volume of ash box 240 240 240 240 24...

Page 28: ...0 1200 Positioning in 4x 90 possible Removal ash container A Flue gas fan with variable rotation Either top or side Unused connection as cleaning cover clean gas space B Cleaning cover crude gas space C Dust extractor axial cyclone D Ash station Installation accessories cont 28 PYROTEC 5 5822 511 GB ...

Page 29: ...xtremely short but strong pressure pulse The loosened particles are carried in the gas flow to the dust extractor where they are largely separated out The device is integrated in the boiler door The compressor should preferably be installed where possible in a cool place in the boiler room Function of the control unit The number of cleaning processes within a unit of time e g per hour is matched a...

Page 30: ...the air and has an adjustable pressure regulator and protection against the hose breaking e g run time limiter The compressor must meet the following minimum requirements Compressor rotation compressor for utility applications Supply output 160 l min Container 90 l Pressure max 10 bar Motor 1 5 kW 1450 rpm 3 x 400 V incl pressure regulator and pressure switch Sound power level 68 dBA Installation ...

Page 31: ...urposes the ash removal can be switched to continuous operation in the event of a boiler standstill Standard delivery Combustion chamber conveyor made from heat resistant steel Ascending ash conveyor as a pipe conveyor with direct transfer from the ash removal conveyor Drive via geared conveyor motor Connection station with mobile ash container Control of the conveyor drives Infrared light barrier...

Page 32: ...r hopper volume l 240 Part no 7387 415 22 07 mm 28 77 mm 21 03 mm 16 00 mm 14 89 mm 1 17 mm 16 37 mm 30 27 mm 14 77 mm 1793 1200 1330 2459 2337 1299 1708 1210 95 Ash removal in external container 800 l Ash box hopper volume l 800 Part no 7387 953 Extension of ascending screw conveyor Part no 7387 826 Note Per metre Max 2 m permissible Installation accessories cont 32 PYROTEC 5 5822 511 GB ...

Page 33: ...To EN 12953 up to 120 ºC Max possible flow temperature Approx 15 K below the safety temperature High limit safety cut out of the boiler control unit Delivered condition 110 ºC Adjustable to 100 ºC 6 2 Delivery KÖB delivers to the site The system is unloaded on site A special crane is required on site for unloading The personnel carrying out transportation must be aware of any acci dent hazards The...

Page 34: ...into the boiler room must be ensured If a boiler room is narrow and or internal forced ventilation is required The temperature in the boiler room when operating the system must not exceed 40 C measurement point in boiler proximity approx 1 m away from boiler The temperature in the boiler room when operating the system must not fall below 10 C measurement point inner side of external wall Avoid air...

Page 35: ...nt and the burner control units must be able to be switched OFF at any time by an emergency stop switch installed outside the installation room Provide a sign adjacent to the emergency stop switch with the inscrip tion EMERGENCY STOP SWITCH COMBUSTION Combustion air supply For open flue combustion equipment with a total rated output in excess of 35 kW the fresh ventilation is deemed to have been v...

Page 36: ...the heating system thoroughly before connecting the boiler to an existing heating system to remove dirt and sludge residues Otherwise these dirt and sludge residues would be deposited in the boiler and could lead to local overheating noise and corrosion Boiler damage caused by such deposits is excluded from our warranty Where necessary install dirt traps Connections on the heating water side it is...

Page 37: ...of the heating system should be carried out by the authorised heating installer EN 12828 applies to the design of DHW heating systems with safety temperatures up to max 110 ºC This standard contains safety requirements laid down for boilers and boiler systems Sealed expansion vessel A safety valve at the highest point of the boiler or a pipe connected to the boiler The pipework between the boiler ...

Page 38: ...ired C L 3 2 2 3 1 E F G 2 3 1 B D 2 3 H M 1 P 1 KW WW A B28 1 B28 4 B28 5 B28 2 B28 3 B28 2 B28 5 B28 3 B28 1 B28 5 Y20 M20 B28 1 Example A Additional heat source B 1 cylinder as low loss header 5 sensors C Distributor heat consumer Design information cont 38 PYROTEC 6 5822 511 GB ...

Page 39: ...and therefore reduce costs The location of the programming module and control panel should be selected so that negative influence caused by thermal radiation boiler front panel boiler back panel with flue gas collector and flue gas fan as well as flue pipe and exposure to dust during cleaning is minimised The ambient temperature of the control panel approx 10 cm away from the control panel when op...

Page 40: ... A Combustion B Dosing container with separating barrier KW Cold water supply DN 15 min 2 0 bar max 3 0 bar Note Lines should be secured in metal pipes The cold water supply must not be able to be isolated without the aid of a tool Note Alternative or additional safety equipment A shut off gate valve is required as standard for an unpressurised material store or a rotary lock valve for a material ...

Page 41: ...introduced with fans in fuel storage rooms due to the pressure load at least one rotary lock valve is required to reduce pressure between the fuel store and the boiler The rotary lock valve is suitable for reducing pressure and at the same time is con sidered suitable back burning protection in accordance with TRVB 118 test certificate BV 2979 89 Max permissible overpressure in the fuel store 500 ...

Page 42: ... be carried out by KÖB Holzheizsyteme GmbH or another contractor trained and authorised by KÖB Prior to commissioning the system must be filled with water fuel must be stored for the commissioning and the instal lation must be monitored Fuel for commissioning As the boiler system is cold and residual moisture is also extracted from the refractory concrete during commissioning the fuel for com miss...

Page 43: ...tural woodchips from forest thinnings S 130 W15 G30 50 Dry mixed shavings chippings from waste wood S 200 W15 G30 50 Dry mixed shavings chippings from waste wood S 250 W15 G30 50 Dry mixed shavings chippings from waste wood S 350 W15 G30 50 Briquettes from waste wood D 40 to 60 mm S 650 W10 Standardised natural pellets D 6 to 10 mm S 650 W10 Standardised natural pellets D 11 to 15 mm 6 11 Fuel dis...

Page 44: ...28 mm 8 0 2 180x180 110 250 b a 200 30 c c 0 8 A A Possible outlet into a bunker B Optional drive left or right C Intermediate floor D Intermediate floor with anti vibration measure Drive discharge conveyor pellets Part no 7387 998 The system is driven via a spur geared motor and chain in a dust proof chain guard The geared motors are sized at the factory Standard delivery Drive unit Spur geared m...

Page 45: ...ording to the project drawing Bottom agitator with two leaf spring arms Drive unit with geared conveyor motor 3 x 400 V Control according to boiler control unit with enabling by the following conveyor device speed output Project related and subject to boiler output and fuel Light barrier for monitoring the fill level at the end of the sealed screw channel Outlet with inspection cover and safety li...

Page 46: ... a 80 361 205 140 500 250 ø 110 300 480 320 800 275 385 700 C 4 14 mm 4 40 mm 11 89 mm 72 64 mm 52 24 mm 8 25 mm 1 16 mm 11 00 mm 4 40 mm 160 ø 150 170 440 6000 b 400 42 250 B ø a A A Second leaf spring B Installation opening seal with fire retardant panel C Rotational direction D Shavings E Remainder F Pellets G Base height adjustable Design information cont 46 PYROTEC 6 5822 511 GB ...

Page 47: ...ll level of the discharge screw control via light barrier The discharge screw itself is enabled independently of the agitator by a separate drive unit according to the boiler requirement The result is trouble free operation and a long service life When using pellets a cover panel is required over the screw channel Maximum fill level and maximum slope must be observed Standard delivery Horizontal d...

Page 48: ...with agitator and discharge screw a Min length of protective panel for bunker walls b Sealed channel c Open conveyor channel downstream of agitator centre d Open conveyor channel upstream of agitator centre max 2 8 m e Wall clearance to centre f Discharge circuit from 3 9 to 6 1 m depending on bunker situation g Effective scope 0 8 to 0 95 x f Depending on fuel installation position compression et...

Page 49: ... mm 4 06 330 200 361 10000 170 287 46 600 300 D E 13 59 mm 14 67 mm 33 67 mm 1360 1260 L1 200 C C K 0 96 mm 1 52 mm 50 30 330 630 630 1260 H H 200 10000 a C B A A 330 725 E D F A A G A B C A A B B C C Design information cont PYROTEC 49 5822 511 GB 6 ...

Page 50: ...r length Out side the bunker the screw channel is sealed Standard delivery Conveyor channel running through the entire system with specially matched discharge screw Note Article price per m The max length is 10 m Total price Total length L in m max 10 x individual price Protective panel AH for bunker Part no 7387 985 Metal cover to protect against damage to the bunker wall caused by the agitator a...

Page 51: ... is changed automati cally for a period set at the factory This releases the compression preventing a fault Standard delivery Funnel discharge as per order data with drive unit 3 x 400 V Automatic control of the drive for the spur geared conveyor motor for both rotational directions Safety limit switch installed on inspection cover of discharge casing Version and drives Funnel discharge AP 11 AP 1...

Page 52: ...l rod with a width of up to 3 00 m possible on request Max permissible dumping height and length of the pushrods in S200 Trade name Pushrod Type AS 2 50 AS 2 25 AS 2 0 AS 1 75 AS 1 5 Part no 7387 992 7387 995 7387 836 7387 956 7387 989 Dumping height with length 12 m 3 1 3 6 4 1 4 9 5 8 10 m 3 9 4 6 5 3 6 3 7 4 8 m 5 3 6 1 7 0 8 4 9 8 6 m 7 5 8 6 9 8 12 3 14 9 Max permissible dumping height and le...

Page 53: ...080 Type L 1230 1575 Forces on the building In the case of pushrod drives for discharge push floors with several pushrods the hydraulic cylinders have pipes laid in opposite flow directions i e the first cylinder pulls the second cylinder pushes the third cylinder pulls etc The cylinder with the lowest pressure drops generally moves first into the end position then the next one When all cylinders ...

Page 54: ...722 kN 15 kN 150 kN 150 mm Slot discharge for pulling The drawing below is a general arrangement and should not be used for construction design A project related drawing must be produced for construction design Note Only KÖB original weld bases are permissible for the pushrod drive Specification Slot discharge for pulling Screw D 190 mm Screw D 250 mm a mm 650 700 b mm 380 430 c mm 350 400 d For m...

Page 55: ...or push floor screw conveyor optional C 7387 952 2 pce Weld base AS individual D 7387 830 2 pce Weld base bunker E Hydraulic compartment F Corresp to length See pricelist 2 pce Pushrod incl stop wedges G Corresp to dimensions See pricelist 1 pce Push floor screw conveyor H 7387 904 1 pce Version and drive AQ standard K Corresponding boiler output See pricelist 1 pce Hydraulic drive ASH individual ...

Page 56: ... the middle third of the silo length e mm 3200 3200 A A 3 96 mm 9 50 mm 17 10 mm 0 84 mm 33 26 mm 2 09 mm 250 600 1080 50 125 2100 8 07 mm 12 67 mm 5 54 mm 4 28 mm 500 800 a b 10 0 FM1 95 02 mm 5000 12000 15 84 mm 0 43 mm c 50 150 A A A 46 86 mm 0 51 mm 19 69 mm 1 30 mm 19 73 mm 0 79 mm 1 58 mm 43 16 mm e 1500 2500 150 1500 2500 d 50 150 E D K H F C B G Design information cont 56 PYROTEC 6 5822 51...

Page 57: ...c drive ASH individual K 2 pce Weld base AS individual Slot discharge with fill function The drawing below is a general arrangement and should not be used for construction design A project related drawing must be produced for construction design Note Use only KÖB original weld bases for the pushrod drive Specification Slot discharge with fill function Screw D 190 mm Screw D 250 mm a mm 650 700 b m...

Page 58: ...125 c B A A A 46 60 mm 46 60 mm 93 20 mm 0 50 mm 8000 12000 20000 50 150 1 90 mm 15 53 mm 15 53 mm d e 230 FR1 FS1 FZZ FZD 3 03 mm 0 54 mm 19 42 mm 0 78 mm 1 16 mm 1 9 42 mm 0 78 mm 41 55 mm 49 60 mm 390 50 150 100 1500 2500 1500 2500 150 f 100 A A g F E C C D H G Design information cont 58 PYROTEC 6 5822 511 GB ...

Page 59: ...orwards and backwards Stop wedges are fixed to the floor between the transport wedges In the case of a twin pushrod drive each longitudinal section of the bunker is moved with two pushrods working independently of one another Charging pushrod for quick removal of the fuel filled at the bunker end in the direction of the bunker centre Discharge pushrod for the dispensed discharge of the wood fuel i...

Page 60: ...ill level of the push floor screw conveyor is reached the discharge function is switched off Hydraulic drive comprising Gear pump 3 x 400 V Oil container Non return valve Pressure limit valve Pressure diverter valve Return filter Oil level indicator Pressure gauge Shut off valve Oil filling Hydraulic hoses Wall mounting brackets Control According to the boiler control unit fuse protected with temp...

Page 61: ...0 Draught Stage 2 bar 100 100 Oil content l 55 80 Max number of pushrods 14 pce 3 4 3 4 Push floor screw conveyor D 190 mm Part no 7387 811 In order to transport the discharged fuel away from the pushrods the push floor screw conveyor extends over the entire push floor width as an open trough screw conveyor For further transportation the push floor screw conveyor depending on the transfer situatio...

Page 62: ...vel overfill protection Discharge with inspection cover safety limit switch and downpipe adaptor for the following conveyor device not required in pushing version Drive push floor screw conveyor higher power Part no 7837 880 Torque at screw conveyor Nm 1200 1200 1200 Push floor screw conveyor Type AQ L190 AQ L250 AQ L250 Function push floor screw conveyor Pulling Pushing Pulling Max length push fl...

Page 63: ...rough screw conveyor with pulling drive and discharge into a drop section The system is driven via a spur geared motor and chain in a dust proof chain guard Standard delivery Drive unit with spur geared motor 3 x 400 V and chain drive Inlet with light barrier for monitoring the fill level overfill protection Discharge with inspection cover safety limit switch and downpipe adaptor for the following...

Page 64: ... 962 7387 928 Diameter of the screw conveyor max mm 120 190 250 Trade name Pipe screw conveyor Type MR L120 MR L190 MR L250 Part no 7387 990 7387 962 7387 928 a mm 140 280 380 b mm 150x150 220x220 280x280 c mm 140 220 324 d mm 120 190 250 Angle of inclination max with pushing screw conveyor e mm 90 90 Angle of inclination max with pulling screw conveyor e mm 65 65 65 f mm 7150 7200 7200 g mm 140 2...

Page 65: ...Drive pipe screw conveyor pellets Part no 7387 931 Simple version of the pipe screw conveyor MR 120 with pulling drive and only permissible for pellets The system is driven via a spur geared motor and chain in a dust proof chain guard Standard delivery Drive unit with spur geared motor 3 x 400 V and chain drive Inlet discharge in simple version for pellets incl downpipe adaptor for the following c...

Page 66: ...ur geared motor 3 x 400 V and chain drive Inlet with light barrier for monitoring the fill level Discharge with inspection cover safety limit switch and downpipe adaptor for the following conveyor device not required in pushing version Trade name Drive pipe screw conveyor high power Type MR 13 Part no 7387 963 Diameter of the screw conveyor max mm 190 250 250 Torque at screw conveyor Nm 1100 1100 ...

Page 67: ...omponents B D H G K A C F E 9250 10000 100 A Protective boards at the entrance to the storage room B Supply area screw supply system C Deflector D Discharge to supply screw conveyor E Min max length of the discharge area F Max storage room length G Return air connector H Fill connector K Slanted panel to compensate for the lengths of the storage room supply area Design information cont PYROTEC 67 ...

Page 68: ...aled 2 Smoking fires and other sources of ignition are prohibited 3 Risk to life due to odourless carbon monoxide CO and a lack of oxygen 4 Before entering ensure sufficient ventilation is in place keep door open when entering 5 Entry into the storage room is only permitted with the supervision of a person standing outside the storage room 6 Risk of injury caused by moving parts 7 Ensure filling i...

Page 69: ...ust be located on the long side of the storage room we recommend alternating the filling between the connectors This ensures more efficient filling In any case both connectors should be earthed A deflector should be installed opposite both connectors Internal pellet storage room If the fill and return air connectors must be routed through an adjacent room clad both with a fire resistant material c...

Page 70: ...wall with screws and is earthed via a pipe clip B D C A A Fill connector B Screws C Pipe clip for earthing D Wall outlet Ø 110 mm Window installation with screws A plate is set into the window opening The connector is fitted through the plate secured with screws and earthed via a pipe clip B C A D E A Fill connector B Screws C Pipe clip for earthing D Outlet Ø 110 mm E Window aperture Design infor...

Page 71: ...ctor protects the pellets as well as the brickwork or the rendering plaster Pieces of plaster render or wall that have been prised off can hinder the pellet supply and the ash removal from the boiler combustion chamber Standard delivery Deflector 1 4 x 1 25 m Section anchor with snap link for fastening 200 mm A B C A Fill connector B Deflector 1000 x 1200 mm C Fill width approx 4 5 m Blast pipe st...

Page 72: ... grille to prevent anyone falling in when the cover is open Note For the filling process opening filling closing the local regulations on accident prevention must be observed e g enclosure safety of personnel Standard delivery Steel supporting structure Permissible load 250 kg m Sand blasted Primed with zinc dust and painted Welded fall protection grille with rod clearance 150 mm Cover Surface alu...

Page 73: ... observed e g enclosure safety of personnel Where wind is strong greater than 10 m s the cover must not be opened Standard delivery Supporting structure permissible load 250 kg m made from steel sand blasted primed with zinc dust and painted Cover surface Aluminium button plate watertight welded Hydraulic cylinder with hinge lug connection pipe break protection mount hydraulic hoses 1 m long Rubbe...

Page 74: ...7387 884 Opening length x width a mm 4020 5520 7020 8520 c mm 2400 2400 2400 2400 Dimensions concrete collar b mm 4420 5920 7420 8920 d mm 2800 2800 2800 2800 e mm 250 250 250 250 Dimensions cover external f mm 3025 3025 3025 3025 g mm 4500 6000 7500 9000 h mm 2924 2924 2924 2924 Number of hydraulic cylinders pce 1 1 1 2 Weights cover kg 1029 1231 1516 1823 15 Type 7 0 2 4 and 8 5 2 4 with covered...

Page 75: ...910 7387 824 7387 930 7387 983 Number of elements pce 2 2 3 4 Weight per pce kg 104 143 118 125 110 106 Bunker cover movable FDB Cover for secure sealing of openings let into travel planes for wood fuel delivery The surface of the cover is flush with the travel plane The sub structure has a drip channel The cover is controlled manually using a hydraulic cylinder The silo cover is prevented from fa...

Page 76: ...97 mm 37 68 mm 8 6 0 8 8 6 b 120 1730 c E F G 6 78 mm 120 A Filling on customer side concrete or asphalt B Channel for rainwater C Rainwater drain on site D Threaded fitting E Filling level F Fall protection grille optional G All round seal required on site H Drain channel running water on site Design information cont 76 PYROTEC 6 5822 511 GB ...

Page 77: ...ral elements Mesh size 200 x 200 mm Specification Fall protection grille type 200 for FDB 3 0 2 0 m FDH 3 8 2 4 m FDH 3 2 3 2 m Part no 7387 798 7387 801 7388 019 pce 2 2 2 Weight per pce kg 120 180 210 Shaker motor for fall protection grille Part no 7387 810 The shaker motor sets the fall protection grille in an oscillating motion This prevents the delivered fuel from bridging the fall protection...

Page 78: ...ply screw conveyor in open version for filling a fuel store located inside a building from an external tipping trough Generally at least two silo filling screw conveyors are required The silo filling screw con veyors are routed through the fuel store in such a way so as to maxi mise filling Standard delivery Silo filling screw conveyor according to order data Mounting brackets for wall mounting Du...

Page 79: ...he drive device is a spur geared motor with sprung torque support If the woodchips are extremely coarse briefly running the system in reverse avoids jamming Fire protection RSE according to TRVB and VKF Max permissible overpressure in the fuel store 500 Pa Max permissible underpressure in the fuel store 0 Pa Standard delivery Rotary lock valve according to order data Control of spur geared motor f...

Page 80: ...livery Shut off gate valve according to order data Control of shut off gate valve according to boiler control unit Spring return motor torque 30 Nm 34 158 350 12 36 mm 13 91 mm 240 220x220 230 410 605 785 230 1015 287 B A A Shut off gate valve closed B Shut off gate valve open Downpipe L 1 0 m Part no 7387 942 Connection of a drop section between the discharge system or con veyor device and an onw...

Page 81: ...elow 90 ºC may be generated Therefore connect the boiler to a moisture resistant chimney thermal resistance class I to DIN 18160 T1 If the boiler is not being connected to a moisture resistant chimney carry out a chimney calculation or request a chimney assessment values for a chimney calculation see page 9 Flue pipe The induced draught fan may cause vibrations which can lead to excessive noise We...

Page 82: ...oating screeds etc must be coordinated with structural engineers and architects and are not part of standard delivery and therefore not within our area of responsibility Appendix 7 1 Sizing the expansion vessel In accordance with EN 12828 water heating systems must be equip ped with a diaphragm expansion vessel The size of the expansion vessel is subject to the heating system specification and sho...

Page 83: ...flow calculations TRD 702 Equipment level for steam boiler systems with hot water boilers class II Also observe EN 12953 with Low pressure hot water boilers with safety temperatures 110 to 120 ºC EN 12953 1 Boilers with large water chambers General informa tion EN 12953 6 Boilers with large water chambers Equipment requirements EN 12953 7 Boilers with large water chambers Requirements for combusti...

Page 84: ...quipment is tested by the flue gas inspector where appli cable for adherence to Building Regulations and any generally rec ognised technical rules The State Building Regulations their implementation orders and the combustion equipment orders as well as the general building appro vals and permits of the higher supervisory authority in individual cases are part of the Building Regulations requiremen...

Page 85: ... Flue pipe 81 Fuel 5 43 Limits 6 H Halogenated hydrocarbons 34 Handling 33 Heating connections 36 Horizontal discharge AH 47 L Low water indicator 41 M Mastercontrol 19 21 Maximum pressure limiter 41 Minimum pressure limiter 42 Minimum wood fuel requirements 6 O Output management 16 P Pellet storage room design 67 Positioning 33 Pyrocontrol 13 Accessories 15 Functions 13 Operation 13 Standard deli...

Page 86: ...86 PYROTEC ...

Page 87: ...PYROTEC 87 5822 511 GB ...

Page 88: ...paper Subject to technical modifications Köb Holzheizsysteme GmbH Flotzbachstrasse 33 A 6922 Wolfurt Telefon 43 0 5574 6770 0 Telefax 43 0 5574 65707 www koeb holzfeuerungen com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com ...

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