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5.2 Fuel extraction with screw conveyor

Pellet extraction screw conveyor, D = 120 mm

For part no., see pricelist

The discharge screw conveyor is used to transport wood pellets from
a rectangular fuel store. The wood pellets trickle via a tilted inter-
mediate floor into the screw conveyor channel. The screw conveyor
located in this channel transports the wood pellets to the outlet.

Standard delivery:

■ Pellet discharge screw conveyor as per project drawing

To be carried out by the customer:

Delivery and installation of the intermediate floor (preferably made of
wood) incl. static calculation and design. The forces resulting from
the weight of the combustion material (approx. 650 kg/m³) should be
transferred through the floor of the fuel store and not through the dis-
charge screw conveyor. Observe this when designing the intermedi-
ate floor.

Note

Article price per m
Total length in m = length of conveyor channel (a + b)
Max. conveyor channel length = 10 m

Note

For inclines of 0° to 8°
Exclusively for wood pellets
Boiler output up to 1250 kW

Specification

Pellet discharge screw conveyor

D = 120 mm

a

mm

< 9250

b

mm

> 750

c

mm

< 10,000

d

mm

approx. 500

e

mm

166

b

> 200

>

100

180 x 180

a

C

C

> 250

d

e

500

540

260

130

c

>

30

250

0-8°

50

A

B

B

A

Possible outlet in the fuel store

B

Drive, either on the left or right

Fuel discharge

(cont.)

VITOFLEX 300-UF

Viesmann

43

5682428

5

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Содержание VITOFLEX 300-RF

Страница 1: ...EX 300 UF Solid fuel boiler 390 to 1250 kW VITOFLEX 300 UF Fully automatic solid fuel boiler with grate combustion for the combustion of woodchips wood pellets shavings and mixed wood 5682428 GB 5 2019 Technical guide ...

Страница 2: ...ng without light barrier 20 External drive switching with light barrier 20 3 3 Accessories for Ecocontrol output management 21 Additional heat generator demand peak load heat generator 21 Cylinder management with 5 sensors QM 21 External demand ON OFF 21 Output signal 0 10 V 21 3 4 Accessories for Ecocontrol remote transfer remote monitoring 22 Analogue fault message device with battery 22 Exporti...

Страница 3: ...ontal discharge AH 45 Specification 45 Discharge screw conveyor AH to horizontal discharge AH 48 Additional discharge screw conveyor AH per m 48 Substructure AH 50 Protective panel AH for the fuel store wall 51 Cover panel AH for wood pellets 51 5 4 Fuel extraction with funnel discharge 52 Funnel discharge AP 52 Specification 52 Additional outlet flange AP 53 Funnel large 53 5 5 Fuel extraction wi...

Страница 4: ...the rated heating output 84 Safety temperatures 84 9 2 Delivery 84 Lifting the solid fuel boiler 84 9 3 Positioning 84 Handling 84 Boiler room requirements 85 Boiler room floor requirements 85 Requirements of the Muster Feuerungsverordnung M FeuVo Sample Combus tion Ordinance Germany 86 Combustion air supply 86 Safety precautions 87 Minimum clearances 87 9 4 Water connection 88 Heating connections...

Страница 5: ...sure hot water boilers with safety temperatures of up to 110 C 97 10 2 Pipe connections 98 10 3 Electrical installation 98 10 4 Operating instructions 98 10 5 Checks as part of the Building Regulations approval procedure 98 11 Keyword index 99 Index cont VITOFLEX 300 UF Viesmann 5 5682428 ...

Страница 6: ...t a moisture content of 5 and 1 5 kWh kg 5 4 MJ kg at a mois ture content of 60 This net calorific value depends on the type of wood and more importantly on the moisture content or moisture level in the wood The moisture content is crucial for controllability at partial load and the emissions performance of the system Determining the moisture content The moisture content is determined with the dry...

Страница 7: ... 1283 kWh tcm 1375 1269 1166 1138 1099 1045 Relation of moisture content w to moisture level in fuel u The proportion of water in woodchips and wood pellets is given as either the moisture content or the fuel moisture level The moisture content in is relative to the moist fuel mass or the fresh sub stance FS the fuel moisture level is relative to the absolutely dry fuel mass TS Example If 100 kg o...

Страница 8: ... raw material is stored and transported under completely dry conditions System users should also ensure completely dry storage condi tions This is the only way to guarantee optimum and effective combustion Pellet requirements For heat generation use wood pellets that have the following proper ties Diameter of 6 mm Length of 3 15 to 40 mm 1 up to 45 mm Max moisture content of 10 The wood pellets us...

Страница 9: ...g tools in accord ance with EN ISO 17225 Definition of woodchip size classes according to EN ISO 17225 4 Size class Main percentage at least 60 of the mass a Fine fraction 3 15 mm Coarse fraction in brackets particle length Maximum particle length b Maximum cross sec tion area of the coarse fraction b c Size in mm In of the mass In of the mass in mm In cm2 P16S 3 15 to 16 15 6 31 5 mm 45 2 P31S 3 ...

Страница 10: ...1000 130 Ash content total g kg Max 15 0 5 0 Sum of alkali oxides in the ash K2O and Na2O g kg Max 1 0 0 35 Start of ash sintering SB C min 1000 approx 1200 Note Avoid foreign matter such as nails and iron particles as such foreign bodies increase the wear of system parts It is imperative that light metals are avoided as these will melt in the combustion chamber and lead to faults in the grate are...

Страница 11: ...o 300 H Vitoflex 300 RF Vitoflex 300 UF Natural non bulky pieces of wood saw dust shavings sand ing dust wood bri quettes From 1 January 2015 4 to 1000 20 400 Vitoligno 250 S Vitoligno 300 S Vitoflex 300 RF Vitoflex 300 UF Logs From 1 January 2017 4 to 1000 20 400 Vitoligno 150 S Vitoligno 200 S Vitoligno 250 S Vitoligno 300 S Note on dust emission limits Depending on both the type of fuel used e ...

Страница 12: ...ion technology three pass heat exchanger modulating output control and regulated pri mary and secondary air supply Easy servicing thanks to fully automatic ash removal and optional pneumatic cleaning system Highly developed safety equipment ensures safe and reliable operation Optimum system output results from the design and delivery of all system components from a single source Automatic ignition...

Страница 13: ...yer for the feed screw conveyor Safety limit switch on inspection cover of feed screw conveyor Pt1000 contact temperature sensor on the feed screw conveyor Sensor in the low loss header installation on site Pt1000 system sensor with sensor well 1 2 x 280 mm B28 1 Vitoflex 300 UF cont VITOFLEX 300 UF Viesmann 13 5682428 2 ...

Страница 14: ...069 1972 1461 2529 Heating surface m2 25 44 33 88 49 47 66 75 79 04 Total dimensions Total length mm 4370 4870 5257 5447 5992 Total width boiler mm 1274 1247 1380 1612 1612 Total width boiler with feed screw conveyor mm 2382 2382 2488 2852 2852 Total height boiler mm 2378 2536 2834 3035 3230 Total height boiler with flue gas fan mm 3186 3186 3378 3452 3717 Weight Boiler kg 1680 2707 3291 4874 5563...

Страница 15: ...erage flue gas temperature at Qmin C 120 120 120 120 120 Mass flow rate QN M5 O2 6 g s 289 4 393 2 534 2 704 8 927 4 QN M45 O2 8 g s 348 1 473 1 642 7 848 0 1115 8 Flow rate QN M5 O2 6 150 C m3 s 0 32 0 43 0 59 0 78 1 02 QN M45 O2 8 150 C m3 s 0 40 0 54 0 74 0 98 1 29 Flue outlet 7 mm 350 350 350 400 450 Required draught Required at full load Pa 5 5 5 5 5 mbar 0 05 0 05 0 05 0 05 0 05 Max permissi...

Страница 16: ...0 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 q mm 2077 2220 2491 2444 2639 Vitoflex 300 UF cont 16 Viesmann VITOF...

Страница 17: ...nsor D Drive ash removal E High limit safety cut out F Safety heat exchanger G Primary air fan 1 H Boiler water temperature sensor K Boiler flow L Secondary air fan M Feed screw conveyor Dimensions for boiler length Rated heating output kW 390 530 720 950 1250 a mm 3282 3782 3877 3835 4380 b mm 3800 4300 4434 4392 4937 Vitoflex 300 UF cont VITOFLEX 300 UF Viesmann 17 5682428 2 ...

Страница 18: ...r combustion retort H Cleaning cover external grate K Light barrier ash removal L Boiler 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 temperature sensor feed screw conveyor S Limit switch maintenance cover T Light barrier feed screw conveyor U Extinguishing water connection V Boiler drain valve Vitofle...

Страница 19: ...nctions for Excess temperature Burn back Opening of a fuel charging cover Forced heat transfer Input terminals in the control panel for 2 high limit safety cut outs STB 2 low water indicators 2 positive pressure limiters water Emergency stop external to TRVB H118 CO CO2 monitoring external Floating contacts Operating message Fault message important Fault message warning Transfer excess heat Servic...

Страница 20: ...stream screw con veyor External drive switching with light barrier For part no see pricelist Activation of an external conveyor drive without reversing changing the rotational direction If there is a risk of overfilling in the charging system the integral light barrier interrupts the upstream charging The motors are protected against overload Standard delivery Hybrid motor starter for the drive mo...

Страница 21: ... temperature sensor The combustion heating output is matched to the average heating water buffer cylin der temperature Standard delivery 5 Pt1000 sensors with connecting cable 5 sensor wells R1 2 x 280 mm 1 Pt1000 outside temperature sensor Note No 0 10 V output signals possible External demand ON OFF For part no see pricelist A potential free input is provided in the control panel for external ON...

Страница 22: ...ends on the supplied system Standard delivery Ethernet interface on touchscreen Software module Modbus TCP IP Data point list on request External visualisation hardwired For part no see pricelist Pack for the transmission of relevant data to an EDP workstation internal and or external for visualisation remote maintenance and operating data archiving of the boiler system Hardware and soft ware are ...

Страница 23: ...lation pump ZP 1 Solar circuit SOL On request Heat pipeline WFL On request Heating water buffer cylinder as substation satellite buffer SAT On request Note Accessories required for function extension not in standard delivery Contact temperature sensors 7528121 required for heating cir cuits Immersion temperature sensors 7528122 and R 1 2 200 mm sensor wells 7819693 required for DHW heating Room te...

Страница 24: ...n sensors Temperature sensor for heating circuit For part no see pricelist For recording the flow temperature of a heating circuit Standard delivery Pt1000 contact temperature sensor Control unit cont 24 Viesmann VITOFLEX 300 UF 3 5682428 ...

Страница 25: ... switching with or without light barrier Charging control panel with boiler sequence control For part no see pricelist This charging control panel is used to activate the shared discharg ing and conveying equipment of a twin boiler system with boiler sequence control incl buffer controller Note Required for each drive e g discharge screw conveyors External drive switching with or without light bar...

Страница 26: ...Length mm 335 Width mm 85 Height mm 85 Flame tube diameter mm 31 5 Max temperature C 650 Length of power cable mm 2000 Connected load kW 1 4 Note Automatic ignition only functions up to a max fuel moisture content of M40 Pneumatic cleaning For part no see pricelist The whole tubular heat exchanger is cleaned with periodic blasts of compressed air during operation The process of cleaning itself is ...

Страница 27: ...pricelist Feed screw conveyor 2 stage For part no see pricelist The version with two stage feed screw conveyor enables operation to be matched to the fuel being used It is optimised for shavings woodchips high level on the one side and for wood pellets low level on the other Standard delivery Feed screw conveyor geared motor pole changing drive speed of the geared motor 750 3000 rpm Motor starter ...

Страница 28: ...eating water must be drained off safely The outlet point of the discharge pipe must be arranged in such a way that any water expelled from the safety valve can be drained off safely and visibly Available safety valves Safety valve 3 bar 0 3 MPa Safety valve 4 bar 0 4 MPa Safety valve 6 bar 0 6 MPa Water level limiter For part no see pricelist For use as a low water indicator With valid component i...

Страница 29: ...ia infrared interface IR module IR monitor Energy efficiency class A ErP ready System temperature from 10 to 110 C no icing up 1 230 V 50 60 Hz IP rating IP 44 Rated heating output kW Designation DN mm Installed length mm Nominal pressure 390 Wilo Stratos 65 1 12 65 360 PN 6 10 530 and 720 Wilo Stratos 80 1 12 80 360 PN 6 10 Wilo Stratos IL inline circulation pump For part no see pricelist Wilo IL...

Страница 30: ...an gas space is cleaned via the upper or back cleaning cover unused fan connection Ash container The ash container is equipped with rollers and connected to the dust extractor with quick action fasteners It can be pulled out for empty ing The fan can be installed either on the side or the top Standard delivery 1 flue gas dust extractor 240 or 800 l 1 ash container with a volume of 240 or 800 l Not...

Страница 31: ...ossible ash container removal A Flue gas fan with variable rotation Either at the top or side Unused connection as cleaning cover clean gas space B Cleaning cover raw gas space C Dust extractor axial cyclone D Ash station E Lambda probe with transducer F Flue gas temperature sensor G Flue gas fan Installation accessories cont VITOFLEX 300 UF Viesmann 31 5682428 4 ...

Страница 32: ...nsions of flue gas dust extractor with 800 l ash container Rated heating output kW 390 530 720 950 1250 Volume l 800 Weight with flue gas fan kg 641 641 691 709 749 Dimensions a mm 350 350 350 400 450 b mm 447 447 461 579 579 c mm 2359 2359 2491 2444 2639 d mm 3186 3186 3378 3452 3717 e mm 1330 1330 1462 1462 1657 f mm 1256 1256 1256 1300 1300 g mm 600 600 660 690 760 h mm 2080 2080 2491 2446 2641...

Страница 33: ...st Version Black without thermal insulation Available flue bends 250 mm diameter 300 mm diameter 350 mm diameter 400 mm diameter 450 mm diameter Flue pipe L 1000 mm For part no see pricelist Version Black without thermal insulation Available flue pipes 250 mm diameter 300 mm diameter 350 mm diameter 400 mm diameter 450 mm diameter Installation accessories cont VITOFLEX 300 UF Viesmann 33 5682428 4...

Страница 34: ... for the supports of the respective equipment Available supports for Discharge screw conveyor Screw conveyor Feed Flexible agitator discharge Horizontal discharge Ash removal Flue gas dust extractor Note One anti vibration fitting should be used for each means of fuel transport e g 1 pce AH 1 pce anti vibration fitting AH AS Installation room characteristics relating to the physical building struc...

Страница 35: ...hamber screw conveyor made from heat resistant steel Steeply inclined screw conveyor as a pipe conveyor with direct transfer from the ash removal screw conveyor Drive via geared screw conveyor motor Docking point with mobile ash container Activation of the screw conveyor drives Infrared light barrier for monitoring the level of ash in the combus tion chamber Available ash removal systems with ash ...

Страница 36: ...Ash removal to 800 l ash container For part no see pricelist 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 into an ash container with a volume of 800 l Combustion chamber screw conveyor extension For part no see pricelist Note Per metre Up to 2 extensions are permissible Installation accessories cont 36 Viesma...

Страница 37: ...Extension for steeply inclined screw conveyor For part no see pricelist Note Per metre Up to 2 extensions are permissible Installation accessories cont VITOFLEX 300 UF Viesmann 37 5682428 4 ...

Страница 38: ... Ash bin 90 l reserve Ash container 240 l reserve 800 l ash container with cover See page 39 Ash vacuum cleaner WS ash vacuum cleaner For part no see pricelist Ash vacuum cleaner with body made from GRP and with low filter loading on the cell filter Motors are cooled separately DS ash vacuum cleaner For part no see pricelist Ash vacuum cleaner with body made from GRP and with low filter loading on...

Страница 39: ...ose plastic DN 50 3 m including connection Bent mouth piece DN 50 Hand held pipe 1 m Terminal piece for industrial floors 500 mm with rubber strip Coarse suction nozzle Crevice nozzle 500 mm metal Circular brush 100 mm V2A Pipe DN 76 for permanent installation of the flue gas extraction system For part no see pricelist Pack for permanently installed pipework 9 m for the flue gas extraction system ...

Страница 40: ... Directly at the discharge Application MZ 260 Use only with fuels up to max P16S to EN ISO 17225 4 and a conveyor device with a diameter of 150 mm or 190 mm MZ 340 Use only with fuels up to max P31S to EN ISO 17225 4 and a conveyor device with a diameter of 190 mm or 250 mm Dimensions of rotary lock valve 10 67 mm 13 24 mm 27 93 mm 7 86 mm 7 86 mm 14 00 mm d e f c øb a Trade name Rotary lock valve...

Страница 41: ... design diameter profile of the drop chute is matched to the rel evant project at the factory Special adaptor For part no see pricelist Connection of a drop section between the external discharge system and an onward conveyor device by means of a special adaptor Note The design diameter profile of the special adaptor is matched to the relevant project at the factory Note The existing on site flang...

Страница 42: ...ÖNORM M 7133 Woodchips according to EN ISO 17225 4 G 30 G 50 P16S P31S P45S 11 Pellet extraction screw conveyor From p 43 X Horizontal discharge AH From p 45 X X X X X X Funnel discharge From p 52 X X X X X X Pushrod discharge From p 54 X X X X X X 11 With coarse fraction limitation 1 to 125 mm Fuel discharge 42 Viesmann VITOFLEX 300 UF 5 5682428 ...

Страница 43: ...atic calculation and design The forces resulting from the weight of the combustion material approx 650 kg m should be transferred through the floor of the fuel store and not through the dis charge screw conveyor Observe this when designing the intermedi ate floor Note Article price per m Total length in m length of conveyor channel a b Max conveyor channel length 10 m Note For inclines of 0 to 8 E...

Страница 44: ... see pricelist The system is driven by a spur geared motor and a chain with a dust proof chain guard The geared motors are sized at the factory Standard delivery Drive unit Spur geared motor matched to boiler size and pump rate Switching the spur geared motor 3 x 400 V Discharge with inspection cover safety limit switch and drop chute adaptor for the following conveyor device Fuel discharge cont 4...

Страница 45: ...ith enabling of the dis charge screw conveyor Drive unit for discharge screw conveyor with spur geared motor 3 x 400 V and chain drive Switching by the boiler control unit with enabling of the follow ing conveyor device Speed output project related and subject to boiler output and fuel Light barrier for monitoring the fill level in the sealed screw con veyor channel Outlet with inspection cover an...

Страница 46: ...nveyor channel downstream of agitator centre d Open conveyor channel upstream of agitator centre max 2 8 m e Wall clearance to centre f Discharge circle from 3 9 to 6 1 m subject to situation of fuel store g Effective scope 0 8 to 0 95 x f h Max discharge screw conveyor length 10 m Note Sizing is influenced by several factors Fuel Installation position Compression etc Sizing is determined individu...

Страница 47: ...or axis 330 725 A E D C B A A Finished floor B Substructure C Building floor D Screw conveyor axis E Agitator axis Installation position angled B A C a 200 10000 A Finished floor B Installation opening seal with fire blocking fire retardant panel C Height adjustable base Max angle of inclination a subject to fuel BD650 wood pellets 6 BD350 briquettes 8 BD350 woodchips 15 Fuel discharge cont VITOFL...

Страница 48: ...required for maintenance and inspection Discharge screw conveyor AH to horizontal discharge AH For part no see pricelist The arms of the horizontal discharge move the fuel into the conveyor channel inside the fuel store The conveyor channel is open inside the fuel store and sealed outside the fuel store Standard delivery Conveyor channel running through the entire system with specially adapted dis...

Страница 49: ...screw conveyors to fit the support feet Ensure there is enough space between the additional discharge screw conveyor and the angular gear of the agitator as well as between the profiled channels to fit the support feet Max boiler output for agitator 1440 kW for woodchips Max boiler output for additional discharge screw conveyor 720 kW for woodchips In two boiler systems where the boilers have diff...

Страница 50: ...ontal discharge for installation in a fuel store with no concrete plinth Dimensions 800 1200 350 510 340 520 25 245 220 12 Substructure AH installation position A B A Horizontal discharge AH B Substructure AH Fuel discharge cont 50 Viesmann VITOFLEX 300 UF 5 5682428 ...

Страница 51: ...icelist Metal cover of the open screw conveyor area to reduce the inlet cross section Note When changing the fuel observe the following Changeover from wood pellets to woodchips remove the cover panels above the discharge screw conveyor before filling the fuel store with woodchips Changeover from woodchips to pellets install the cover panels above the discharge screw conveyor before filling the fu...

Страница 52: ...eases the compression prevent ing a fault Standard delivery Funnel discharge with drive unit 3 x 400 V Automatic switching of the drive for the spur geared screw con veyor motor for both rotational directions Safety limit switch installed on inspection cover of discharge cas ing Specification Funnel discharge AP up to 6 m AP up to 7 5 m Max diameter of discharge circle m 6 0 7 5 13 Max possible fi...

Страница 53: ...charge cas ing for two boiler systems Funnel large For part no see pricelist The standard delivery of the funnel discharge includes a funnel with a diameter of 2200 mm For fuel store diameters 6 m the large funnel must be ordered for the funnel discharge Fuel discharge cont VITOFLEX 300 UF Viesmann 53 5682428 5 ...

Страница 54: ...th and the fuel A distinction is made between the following fuels With a poured weight 200 kg m BD200 With a poured weight 350 kg m BD350 With a poured weight 450 kg m BD450 With a poured weight 650 kg m BD650 Max permissible dumping height for BD200 fuel Width m 2 5 2 25 2 0 1 75 1 5 1 25 1 0 Length 12 m m 3 1 3 6 4 0 4 6 5 4 6 4 8 0 Length 10 m m 3 9 4 3 4 9 5 6 6 5 7 8 9 8 Length 8 m m 5 0 5 5 ...

Страница 55: ...otal normal forces on the front panel slot discharge FR Total normal forces on the back panel FR1 Normal force of a pushrod on the back panel FS1 Normal force of a pushrod on the front panel FZD Maximum pressure force on the weld base for the pushrod drive FZZ Maximum tensile force on the weld base for the pushrod drive FM1 Normal force of a pushrod on the centre discharge cover Number of pushrods...

Страница 56: ...14 e mm 1200 1200 f mm 1500 1500 g mm 1750 2050 300 F E 100 100 150 D 50 150 600 A 125 c B a 500 50 1230 b g 4000 10000 d A A C f A A 1500 2500 e 1500 2500 FZZ FS1 FZD C A K G H D Note For a drive over system a minimum material cover of 40 cm is required 14 See chapter Maximum dumping heights Fuel discharge cont 56 Viesmann VITOFLEX 300 UF 5 5682428 ...

Страница 57: ...ve AQ standard K 1 pce Hydraulic drive ASH single Centre discharge The drawing below is a schematic diagram A project specific draw ing must be produced for construction design Note Only original Viessmann weld bases are permitted for the pushrod drive Specification Centre discharge Screw conveyor D 190 mm Screw conveyor D 250 mm a mm 350 400 b mm 270 360 c Max dumping height 15 d In the middle th...

Страница 58: ...ntity Unit Description A 2 pce AS single pushrod drive with hydraulic cylinder type K B 2 pce Weld base bunker C Centre discharge cover on site D 1 pce Push floor screw conveyor E 4 pce Pushrod incl stop wedges F Version and drive AQ standard G Hydraulic compartment H 1 pce Hydraulic drive ASH single K 2 pce Weld base AS single Fuel discharge cont 58 Viesmann VITOFLEX 300 UF 5 5682428 ...

Страница 59: ... original Viessmann weld bases are permitted for the pushrod drive Specification Slot discharge with fill function Screw conveyor D 190 mm Screw conveyor D 250 mm a mm 700 800 b mm 380 430 c mm 350 400 d Charging chute e Max dumping height 16 f mm 1200 1200 16 See chapter Maximum dumping heights Fuel discharge cont VITOFLEX 300 UF Viesmann 59 5682428 5 ...

Страница 60: ...000 5 44 mm 2 04 mm 3 57 mm 230 125 c B A A A 46 60 mm 46 60 mm 93 20 mm 0 50 mm 8000 12000 20000 50 150 C 1 90 mm 15 53 mm 15 53 mm d e 230 FR1 FS1 FZZ FZD 390 50 150 100 1500 2500 1500 2500 150 f 100 A A g F E H G C D 300 Fuel discharge cont 60 Viesmann VITOFLEX 300 UF 5 5682428 ...

Страница 61: ...ndividual For part no see pricelist The weld base is for securing the pushrod drive The solid steel structure has been structurally tested It permanently withstands the dynamic stress This is conditional on the structure being embedded in concrete as prescribed Standard delivery 1 weld base per pushrod drive To be carried out by the customer Location positioning and connecting of the weld base wit...

Страница 62: ...al price is calculated as follows For pushrod drive single Pushrod drives in pce x length of fuel store in m 1 x width of fuel store in m x article price For pushrod drive twin Pushrod drives in pce x length of fuel store in m 2 x width of fuel store in m x article price Hydraulic unit AS single For part no see pricelist Hydraulic unit for actuating single pushrod drives with discharge function Wh...

Страница 63: ...hes in the oil container Activation of fill function by activation of the light barrier in the fuel store Use of the hydraulic units drives plus rods Hydraulic drive AS twin V18 V40 Rated heating output of the boiler s kW 100 1250 1250 2500 Gear pump rating kW 4 7 5 Supply volume Stage 1 l min 9 20 Draught Stage 1 bar MPa 200 20 200 20 Supply volume Stage 2 l min 18 40 Draught Stage 2 bar MPa 100 ...

Страница 64: ...loor screw conveyor for more difficult applications high pump rate and or pushing function The following are reinforced Spur geared motor Bearings Chain with dust proof chain guard Standard delivery Drive unit in a robust design with additional axial bearing for push ing function with spur geared motor 400 V and chain drive Matching and switching on a project specific basis Light barrier across th...

Страница 65: ...31S P45S 19 Trough screw conveyors From p 66 Trough screw conveyor D 150 mm X X X X Trough screw conveyor D 190 mm X X X X X X Trough screw conveyor D 250 mm X X X X X X Pipe screw conveyors From p 67 Pipe screw conveyor D 120 mm X Pipe screw conveyor D 190 mm X X X X X X Pipe screw conveyor D 250 mm X X X X X X 19 With coarse fraction limitation 1 to 125 mm Fuel transport VITOFLEX 300 UF Viesmann...

Страница 66: ...m 7 54 mm 500 166 500 l k h e A A B A Drive optionally left or right B Inspection clearance Trade name Trough screw conveyor Type MF 150 MF 190 MF 250 a mm 180 x 180 220 x 220 280 x 280 b transition diameter mm 180 200 200 c woodchips 45 45 45 c wood pellets 20 20 20 d mm 140 280 380 e mm 220 260 352 f mm 216 256 317 g mm 150 190 250 h mm 130 130 154 k mm 260 260 350 l mm 540 540 665 Standard trou...

Страница 67: ...onveying pourable fuel and or in the case of steep inclines Standard delivery Pipe screw conveyor as per project drawing Note Article price per m Total price Length L in m x article price The pipe screw conveyor with 120 mm diameter is only suitable for wood pellets Trade name Pipe screw conveyor Max screw conveyor diameter mm 120 190 250 a mm 140 280 380 b mm 150 x 150 220 x 220 280 x 280 c mm 14...

Страница 68: ...conveyor drive pellets For part no see pricelist Simple design pipe screw conveyor with 120 mm diameter with pull ing or pushing drive It is only approved for wood pellets The system is driven by a spur geared motor and a chain with a dust proof chain guard Standard delivery Drive unit with spur geared motor 3 x 400 V and chain drive Inlet discharge in simple design for wood pellets Incl drop chut...

Страница 69: ...oodchips kW 1250 Pipe screw conveyor drive high power For part no see pricelist Special powerful version of the pipe screw conveyor for more diffi cult applications high pump rate and or pushing function The following are reinforced Spur geared motor Bearings Chain with dust proof chain guard Note This drive is required for a direct transition forced transfer Standard delivery Drive unit in a robu...

Страница 70: ...annual fuel demand m3 Storage rooms with sloping floor Empty space must also be taken into account to ensure that the volume for the annual fuel demand m3 is covered About 1 3 of the volume is lost due to the sloping floor Volume of a storage room with sloping floor m3 volume for annual fuel demand m3 x factor 1 5 Converting storage room volume into the amount of pellets Amount of pellets t storag...

Страница 71: ...cm plaster block 12 cm If the stored amount of pellets exceeds 6 5 t surrounding walls and intermediate ceilings must comply with fire resistance cate gory F90 Doors or access hatches into the pellet storage room must open outwards and must be dust tight with an all round gasket With a stored amount of pellets in excess of 6 5 t doors must be self closing and have a fire resistance rating of T30 F...

Страница 72: ...place keep door open while inside Entry is only permitted under the supervision of a person standing outside the storage room Risk of injury caused by moving parts Ensure filling is carried out under the conditions stipulated by the heating system installer and pellet supplier Protect the wood pellets from moisture Protective boards with Z brackets A B A C A Z bracket length 2000 mm B Protective b...

Страница 73: ...ctors have to be located on the long side of the storage room we recommend alternating filling between both connectors This ensures more efficient filling of the storage room Both connec tors must always be earthed Install a baffle mat opposite both con nectors Internal pellet storage room If the fill and return air connectors have to be routed through an adja cent room clad them with a material w...

Страница 74: ...out thermal insulation A Fill connector B Wall duct Ø 150 mm Wall installation with screws The connector is secured to the outside wall with screws and earthed with a pipe clip B D C A A Fill connector B Screws C Pipe clip for earthing D Wall duct Ø 110 mm Fuel storage cont 74 Viesmann VITOFLEX 300 UF 7 5682428 ...

Страница 75: ... A Fill connector B Pipe clip for earthing C Extension pipe D Wall duct Ø 110 mm Or Outlet Ø 110 mm E 45 bend Accessories for the on site pellet store Baffle mat 1 42 x 1 25 m For part no see pricelist The baffle mat consists of a 4 0 mm thick pressed rubber mat with fibre reinforcement for high strength Install baffle mat B with a clearance of at least 200 mm from the wall opposite the fill conne...

Страница 76: ...ll connector and return air connector For part no see pricelist Standard delivery Extension DN 100 1000 mm long Connecting aluminium pipe Clip for fastening Extension 45 bend For part no see pricelist Standard delivery Bend DN 100 Connecting aluminium pipe Fill level meter for wood pellets For part no see pricelist Stationary ultrasound measuring system to capture the fill levels in the pellet sto...

Страница 77: ...eel supporting structure Permissible load 250 kg m2 Sand blasted Primed with zinc dust and painted Welded fall protection grille with 150 mm bar spacing Cover Aluminium button plate surface Welded watertight Leg springs as opening aid To be carried out by the customer Preparation of the ceiling recess with concrete collar Seal between cover frame and concrete collar bearing surface Padlock to prot...

Страница 78: ...must not be opened in windy conditions 10 m s Standard delivery Steel supporting structure Permissible load 250 kg m2 Sand blasted Primed with zinc dust and painted Cover Aluminium button plate surface Welded watertight Hydraulic cylinder With hinge lug connection pipe break protection bearing block Hydraulic hoses 1 m long Rubber apron to deflect woodchips on the hinge side To be carried out by t...

Страница 79: ...width a mm 4020 5520 7020 8520 c mm 2400 2400 2400 2400 Concrete collar dimensions b mm 4420 5920 7420 8920 d mm 2800 2800 2800 2800 e mm 250 250 250 250 External cover dimensions 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 Cover weights kg 1029 1231 1516 1823 20 Type 7 0 2 4 and 8 5 2 4 with covered expansion joint for therm...

Страница 80: ... 7 0 2 4 FDH 8 5 2 4 Number of elements pce 2 2 3 4 Weight per pce kg 104 143 118 125 110 106 FDB drive over bunker cover For part no see pricelist Cover that can be driven over for secure sealing of openings for fuel delivery to the fuel store The cover closes flush with the road sur face The substructure is equipped with a drain channel The cover is actuated by means of a hydraulic cylinder A st...

Страница 81: ...68 mm 8 6 0 8 8 6 b 120 1730 c E F G 6 78 mm 120 A Filling on site concrete or asphalt B Channel for rainwater C Rainwater drain on site D Fitting E Filling level F Fall protection grille optional G All round seal required Not included in the standard delivery H Drain channel running water on site Fuel storage cont VITOFLEX 300 UF Viesmann 81 5682428 7 ...

Страница 82: ...llation of a shaker motor shaker motor at an additional charge Max load 200 kg m2 Standard delivery Support profile for installation in ceiling recess Fall protection grille in several elements Mesh size 200 x 200 mm Specification Fall protection grille type 200 for FDB 3 0 2 0 FDB 3 8 2 4 FDB 3 2 3 2 Number of elements pce 2 2 2 Weight per pce kg 120 180 210 Shaker motor for fall protection grill...

Страница 83: ...ation Flexible agitator discharge AF Horizontal discharge AH Funnel discharge AP External discharge system Cover drive for hydraulic unit For part no see pricelist Use the cover drive if there is an existing hydraulic unit for the push rod discharge The cover drive is used for a hydraulic bunker cover FDH FDB The cover is opened by the hydraulic cylinder when the key switch is actuated The load ho...

Страница 84: ...d DIN 4702 They can be used in accordance with EN 12828 in sealed unvented heating systems Permissible flow temperatures safety temperatures Up to 110 C Max possible flow temperature Approx 15 K below the safety temperature High limit safety cut out of the boiler control unit Delivered condition 100 C 9 2 Delivery Viessmann delivers to the site The system is unloaded on site A special crane is req...

Страница 85: ...ained in sprays paints solvents and cleaning agents For rooms where air contamination through halogenated hydro carbons is expected Boilers and flue gas water heat exchangers may only be installed if adequate measures are taken to provide a supply of uncontamina ted combustion air Prevent very dusty conditions Prevent high levels of humidity Prevent frost and ensure good ventilation Note If these ...

Страница 86: ...witch On combustion equipment for solid fuels with a rated heating output above 50 kW it must be possible to switch off the burner fuel supply equipment and burner control units at any time by means of an emergency stop switch located outside the installation room Provide a sign adjacent to the emergency stop switch that reads EMER GENCY STOP SWITCH COMBUSTION EQUIPMENT Combustion air supply For o...

Страница 87: ...p to a temperature of 650 C and over a period of at least 30 min no more than 30 l h measured as air flow rate must be able to flow through or out of the fuel line Combustion equipment must be installed at a sufficient distance from combustible materials and fitted furniture or be shielded from them to ensure that the temperature on such materials furniture does not exceed 85 C when the combustion...

Страница 88: ...For safety temperatures up to 110 C the boiler requires no inter mediate flow piece for the connection of safety equipment All the necessary connections e g for water level or pressure limit ers are provided on the boiler Boiler circuit and shunt pump In order to reliably prevent boiler corrosion caused by flue gas con densation the boiler return temperature must never fall below 65 C The boiler h...

Страница 89: ...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 generator B 1 heating water buffer cylinder as low loss header 5 sensors C Heat consumer distributor Design information cont VITOFLEX 300 UF Viesmann 89 5682428 9 ...

Страница 90: ...0 1360 820 250 3150 1630 990 300 4200 2180 1320 400 5250 2720 1650 500 6300 3260 1980 600 8400 4350 2640 800 10500 5440 3300 1000 Selection example Conditions psv 3 bar response pressure of the safety valve H 13 m static head of the system Q 18 kW rated heating output of the heat source v 8 5 l kW specific water capacity Panel radiators 90 70 C VPH 1000 l volume of buffer cylinder The specific wat...

Страница 91: ... this must be identified in accordance with TRD 721 with D G H Install the safety valve at an easily accessible location at the highest point of the boiler or in the immediate vicinity of the flow line It must not be possible to shut off the line between the boiler and the safety valve Pumps fittings or constrictions must not be present in the line The discharge pipe must be designed in such a way...

Страница 92: ...and sets a fault message For safety reasons and in order to avoid damage caused by flooding it is not advisable to con nect the extinguishing device directly to the water mains cold water supply Extinguishing device with extinguishing water container For part no see pricelist 500 D A B C A N25 fill level monitoring B 25 l extinguishing water container C Material supply D Water valve Standard deliv...

Страница 93: ...he output increasing the infeed of the material counteracts the risk in good time By combining with the fuel overfill protection activation of any speci fied protection device is prevented and standard mode is maintained to ensure extremely reliable heat supply Reignition protection RZS In accordance with TRVB H 118 and EN 303 5 automatic wood combustion systems in which there is a risk of reignit...

Страница 94: ...e chip extraction system Leaks may occur in the rotary lock valve under the discharge system as a result of wear on the sealing elements or due to larger pieces of wood that cannot be transported Such leaks may allow the back flow of low temperature carbonisation gases from the combustion system into the fuel store A flue gas alarm must be installed between the rotary lock valve and the discharge ...

Страница 95: ...fluenced by the quality of the water The cost of a water treatment facility is always going to be less than that of repairing damage to your heating system Observing the following requirements is necessary to safeguard your warranty rights The manufacturer s warranty excludes damage due to corrosion and scaling The main water quality requirements are summarised below A chemical water treatment can...

Страница 96: ...ected in order to prevent excessive scale build up from reoccurring Filling the heating system The charge pressure of the cold hydraulic seal must be approx 0 1 bar 0 01 MPa higher than the pre charge pressure of the sealed expansion vessel However it must not exceed a maximum of 3 bar 0 3 MPa 9 13 Frost protection Special antifreeze suitable for heating systems can be added to the fill water The ...

Страница 97: ...lue gas silencer will be necessary It is important to ensure there will be sufficient space for the flue gas silencer behind the boiler In accordance with EN 13384 the pressure drop of the flue gas silencer on the flue gas side will be required for calculating the flue system Structure borne noise attenuation Anti vibration supports for the heat generator are an economical and effective measure We...

Страница 98: ...ombustion EN 298 Automatic gas burner control systems for gas burners and gas burning appliances with or without fans EN 676 Gas burners with fans DVGW Code of Practice G 260 I and II Technical rules for gas quality DVGW TRGI 2008 Technical rules for gas installations TRD 412 Gas combustion for steam boilers where applicable TRF 1996 Technical rules liquid gas 10 2 Pipe connections All pipe connec...

Страница 99: ...ontrol unit Accessories 20 21 22 23 24 Controller module 23 Modbus TCP IP 22 Sensors 24 Standard delivery 19 Conveyor systems Application options by fuel 42 D Delivered condition 12 Sensors and switches 12 Delivery 84 Design 84 Design of pellet storage room 71 Design recommendation 90 Diaphragm expansion vessel 90 Discharge Push floor 54 E Ecocontrol Functions 19 Operation 19 Standard delivery 19 ...

Страница 100: ...er 22 Rotary lock valve 94 S Safety equipment 28 91 Expansion 91 High limit safety cut out STB 91 Low water indicator 91 Pressure gauge 91 Safety valve 91 SLE RHE RZS RSE 92 Thermometer 91 Safety precautions 87 Safety temperature 84 Shunt pump 88 Siting 84 Boiler room floor 85 Floor load bearing capacity 85 Foundation properties 85 Minimum clearances 87 Sizing Selecting the rated heating output 84...

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