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Viessmann Vitoflex 1250-UF, Технические данные инструкция, Страница: 16 / 32

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16

5797 137 - 01

Vitoflex 300-UF Technical Data

G

Top

Top

from the 

furnace

to the 

chimney

from the 

furnace

to the 

chimney

E

F

D

G

Top

 Flue Gas Cyclone

Boiler Model 

UF 390

UF 530

UF 720

UF 950

UF 1250

A

in. (mm)

13¾ (350)

13¾ (350)

13¾ (350)

15¾ (400)

17

11/16

 (450)

a

in. (mm)

81

7/8

 (2080)

92

7/8

 (2359)

98

1/16

 (2491)

96¼ (2444)

103

7/8

 (2639)

c

in. (mm)

92

7/8

 (2359)

92

7/8

 (2359)

98

1/16

 (2491)

96¼ (2444)

103

7/8

 (2639)

j

in. (mm)

125½ (3186)

125½ (3186)

133 (3378)

135

7/8

 (3452)

146

3/8

 (3717)

k

in. (mm)

52

3/8

 (1330)

52

3/8

 (1330)

57

9/16

 (1462)

57

9/16

 (1462)

65¼ (1657)

l

in. (mm)

49½ (1256)

49½ (1256)

49½ (1256)

51

3/16

 (1300)

51

3/16

 (1300)

m

in. (mm)

23

5/8

 (600)

23

5/8

 (600)

26 (660)

27

1/8

 (690)

30 (760)

n

in. (mm)

17

5/8

 (447)

17

5/8

 (447)

18

1/8

 (461)

22

7/8

 (579)

22

7/8

 (579)

q

in. (mm)

49

5/8

 (1260)

49

5/8

 (1260)

49

5/8

 (1260)

40

1/8

 (1020)

40

1/8

 (1020)

r

in. (mm)

24½ (620)

24½ (620)

24½ (620)

37½ (950)

37½ (950)

t

in. (mm)

65¾ (1670)

65¾ (1670)

68 (1730)

82 (2083)

84¾ (2153)

The flue gas cyclone minimizes dust emissions and is 

designed as a multi cyclone with axial function. 

The de-duster is fully insulated and has three covers for 

cleaning. The crude gas chamber is cleaned via the side 

cleaning cover. 

The clean gas chamber is cleaned via the upper  or back 

cleaning cover (unused blower connection). The ash box 

has a carriage and is connected to the  de-duster with 

quick-action fasteners. It can easily be pulled out for 

emptying. The blower can be installed either on the side 

or the top.

CAUTION

The effects of heat can create dangerous conditions.

Supplied with:

-  1 flue gas cyclone

-  1 ash container 63 USG (240 L) or 211 USG (800 L)

Ash container support frame: positioning is possible in 4 x 

90º (extraction, ash container) Drawn with extraction to the 

right

Legend

A

 Flue gas exhaust blower (with variable rotation)

  - Either top or side

  - Unused connection as cleaning cover

  - Alternate mounting of the flue gas exhaust blower 

    (shown in dark grey)

B

 Flue gas temperature sensor

C

 Oxygen sensor

D

 Flue gas exhaust blower - choice of top or side -  

    unused connection as cleaning lid, variable rotation, 

   clean gas chamber

E

 Cleaning lid crude gas chamber

F

 Cyclone (axial cyclone)

G

 Ash container support frame 63 USG (240 L) or 211 USG  

  

(800 

L)

Mechanical

Содержание Vitoflex 1250-UF

Страница 1: ...usly moves the wood fuel onto the burner trough where gasification takes place The combustible gases blend with precisely controlled secondary air resulting in a complete combustion and the thermal energy is released into the boiler s triple pass heat exchanger Output range UF 390 334 to 1331 MBH 98 to 390 kW UF 530 450 to 1808 MBH 132 to 530 kW UF 720 614 to 2457 MBH 180 to 720 kW UF 950 812 to 3...

Страница 2: ... boiler water temperatures in closed loop forced circulation hot water heating systems Under certain conditions open loop systems may also be considered Contact Viessmann for details Specifications Fully automatic underfeed combustion wood fired boiler 5 models from 1331 to 4265 MBH For wood fuels with max water content of 50 Efficiency 85 Available for 30 or 60 psi max operating pressure Benefits...

Страница 3: ...d to the water in the horizontal heat exchanger The boiler is well insulated and highly accessible through the heat exchanger door on the front A pneumatic cleaning system optional can be installed at the insulated heat exchanger door The flue gas exhaust blower has been specially designed for wood burning boilers and quiet operation The spring suspended motor has a solid heat resistant design wit...

Страница 4: ... be attached A special crane provided by the customer on site is required to lift the fire box and the pressure vessel Recommended minimum clearances to walls for installation and maintenance work must be observed An anti vibration boiler support should be provided if anti vibration measures are required IMPORTANT A Lifting lugs screw in before lifting B Lifting lugs pressure vessel WARNING Follow...

Страница 5: ...ion chamber door is mounted to the combustion chamber Flue gas collector is attached to the heat exchanger Pneumatic cleaning system optional is attached to the heat exchanger door Components that are not attached or installed to the boiler at time of delivery scope of the contractor The pressure vessel is not mounted to the combustion chamber Brickwork to connect the combustion chamber bricks and...

Страница 6: ...of untreated and treated wood in the form of shavings from processing machinery and chips from choppers Used wood This is untreated wood that has been used prior to its energetic utilization e g pallets It is reduced in size by shredders for thermal utilization The metal parts have to be removed by magnetic separators If different fuels are used Viessmann will not assume any liability for the func...

Страница 7: ...t Fuel Size Description a S130 8 1 W10 to W20 C1 Sawdust untreated planing shop b1 S200 12 5 W20 to W35 C1 Sawdust untreated sawmill c2 S250 15 6 W35 to W50 C1 Sawdust untreated sawmill Wood chips Fuel code Bulk Density kg m lb ft Water content Fuel Size Description b2 S200 12 5 W20 C7 Forest wood chips soft untreated c1 S250 15 6 W20 to W35 C7 Forest wood chips soft untreated d1 S300 18 7 W20 to ...

Страница 8: ...emnants or plastics Substance Limit Comparative value untreated forest wood Chlorine Cl max 300 ppm 300 mg kg 10 ppm 10 mg kg Sulphur S max 1000 ppm 1000 mg kg 120 ppm 120 mg kg Total Cl S max 1000 ppm 1000 mg kg 130 ppm 130 mg kg Ash content total max 0 25 oz lb 15 0 g kg 0 08 oz lb 5 0 g kg Alkali oxides in the ash K2O and Na2O max 0 016 oz lb 1 0 g kg 0 006 oz lb 0 35 g kg Sintering point of th...

Страница 9: ... that in case of a power failure the boiler will be reliably cooled by the thermal safety flush valve Power Failure Provision For installations in Canada The boiler venting system must be tested and listed by a Nationally Recognized Testing Lab such as ULC CSA for solid fuel burning appliances The Vitoflex 300 UF Grate Firing System is output controlled within a range from 30 100 of the rated boil...

Страница 10: ...stible materials may be stored in the heating room The heating boiler may only be set up on a fire and temperature resistant floor The load bearing capacity of the heating room floor must be designed for the weight of the system plus filling with water and fuel The load bearing capacity of the floor in the area of the boiler bearing surface must be 512 lb ft 2500 kg m IMPORTANT Always follow the m...

Страница 11: ...r ultimate owner accordingly Confined spaces When a furnace or boiler is enclosed in a space that has a volume less than 20 of that to be heated by the appliance the space shall a have a permanent opening or openings for natural air circulation with a minimum net free area of 1 5 in 1000 Btu h 3300 mm kW input and b connect to another space or spaces such that the total volume of air available for...

Страница 12: ... 383 1450 457 5 42 5 602 2280 17 26 43 488 1850 597 4 55 5 774 2830 10 5 26 515 1950 805 2 74 8 1070 4050 18 45 660 2500 979 6 91 0 1367 5210 63 221 240 800 63 221 240 800 113 7 8 30 or 60 2 or 4 250 120 149 65 Weight Weight of fire box Weight of pressure vessel 30 psi Weight of pressure vessel 60 psi Weight of displacement rods Weight of flue gas exhaust blower Weight of in feed auger Total weigh...

Страница 13: ... 8 3107 e in mm 22 577 22 577 22 577 257 8 657 257 8 657 f in mm 47 1200 47 1200 47 1200 50 1275 50 1275 g in mm 94 2405 1143 8 2905 1177 8 2993 1125 8 2861 1341 8 3406 h in mm 42 1086 42 1086 543 8 1380 63 1612 63 1612 k in mm 315 8 803 315 8 803 315 8 803 365 8 929 365 8 929 l in mm 177 8 453 177 8 453 177 8 453 187 8 479 187 8 479 m in mm 81 2077 91 2331 981 8 2491 96 2444 1037 8 2639 n in mm 1...

Страница 14: ...r fire box F Igniter optional G Cleaning cover trough H Cleaning cover external grate K Light barrier de ashing assembly L Heat exchanger door M Pneumatic cleaning system N Combustion chamber door O Limit switch combustion chamber door P Primary air blower 2 Q Drive in feed grate R Temperature sensor in feed auger S Limit switch maintenance cover T Light barrier in feed auger U Extinguishing water...

Страница 15: ...UF 1250 The complete heat exchanger is cleaned off by periodic blasts of compressed air while the system is in regular operation During the cleaning process the individual sections are blasted clean one after another The ash on the heat exchanger tubes is detached by very short but strong blasts of air The particles detached are conducted by the flow of gas to the cyclone where most are filtered o...

Страница 16: ...s fully insulated and has three covers for cleaning The crude gas chamber is cleaned via the side cleaning cover The clean gas chamber is cleaned via the upper or back cleaning cover unused blower connection The ash box has a carriage and is connected to the de duster with quick action fasteners It can easily be pulled out for emptying The blower can be installed either on the side or the top CAUT...

Страница 17: ... valve 30 psi or 60 psi UF 1250 30 psi only Q 4 in or 6 in Boiler supply flange 3 R Supply sensor well sensor supplied S 4 in or 6 in Boiler return flange 3 T Return sensor well sensor supplied U Sensor wells for thermal safety flush valve Rb in sensor supplied 1 See section Piping and Installation of Safety Devices 2 Two PRVs must be installed on the UF 1250 30 psi boiler One PRV must be installe...

Страница 18: ... line Bypass line Boiler return line Blocked port Valve adjustment must be facing forward Adjustment 1 2 and 3 indicates system connections Piping and Installation of Safety Devices Legend A Additional heat source B Thermal storage tank as low loss header option A 5 sensors C Distributor heat consumer D Thermal storage tank 1 E Thermal storage tank 2 F Two thermal storage tanks as low loss header ...

Страница 19: ...ef valve Conbraco 1 Drain pipe PDP 2 30 psi 60 psi 30 psi 60 psi UF 390 1a in 1 in 1b in 1a in UF 530 1b in 1a in 2 in 1b in UF 720 2 in 1a in 2b in 1b in UF 950 2 in 1b in 2b in 2 in UF 1250 2 in 2 in 2b in 2 in Note To reliably prevent boiler corrosion caused by condensation of flue gases the boiler return temperature must not under any circumstances be below 150 F 65 C A Viessmann sized boiler ...

Страница 20: ...e speed into the combustion chamber Back flash safeguard The Vitoflex 300 UF Grate Firing System is operated with continuous negative pressure and is equipped with a back flash prevention device This device prevents back flashes caused by flying embers or combustible gases that may ignite the fuel system Automatic in feed auger extinguishing system The supplied fire extinguishing system is necessa...

Страница 21: ... a suitable safeguard against back burn Max overpressure allowed in fuel storage unit 500 Pa 2 00 inch wc Max negative pressure allowed in fuel storage unit 0 Pa 0 inch wc Fire Protection continued IMPORTANT IMPORTANT IMPORTANT Double rotary valve with pressure compensation system If due to special circumstances any mechanically produced negative pressures or extraordinarily high overpressures are...

Страница 22: ...uger Note The fire extinguishing system for the in feed auger is part of the boiler Line from the extinguishing water container to the b in valve as short as possible Valve thermostatic Danfoss AVTA 15 122 194 F 50 90 C position 3 equals approximately 176 F 80 C The lines must be executed as hard piping in metal b in It must not be possible to shut off the cold water inlet without the aid of tools...

Страница 23: ...ating circuits a controller module 7453165 and one Pt1000 contact temperature sensor per circuit 7528121 are required Electrical Ecocontrol Controller for the wood combustion system incl activation of equipment for fuel charging according to the articles listed separately The heating output is modulated to match the heat consumption The control circuit for combustion optimisation with a Lambda pro...

Страница 24: ...ch on maintenance cover Output in control panel for external conveyor drive Note The customer is responsible for delivery and installation of the safety switches of the external conveyor drive Note Only with a defined limited material supply upstream screw conveyor The electrical output data of the existing conveyor device kW amps volts must be stated External drive switching with light barrier Ac...

Страница 25: ...torage tank Standard delivery 5 Pt1000 sensors with sensor well b in x 12 in 280 mm 1 Pt1000 outside temperature sensor Note Controller module and data cable required External demand ON OFF Input for automatically switching the system on off via an external floating N O contact Output signal 0 10 V Issuing of boiler output as voltage signal and a connection to receive a maximum boiler output limit...

Страница 26: ...visualization remote maintenance and operating data archiving of the Vitoflex 300 RF boiler system Hardware and software are integrated into the Ecocontrol control unit All adjustable parameters can be changed from the IT workstation Standard delivery Industrial PC with interfaces for screen keyboard and PC mouse for IT workstation close to boiler room Windows operating system remote maintenance s...

Страница 27: ...gniter 4 Controlled combustion air supply system 5 Moving grate 6 Drive for automatic de ashing assembly with ash container optional 7 Combustion chamber 8 Combustion chamber door 9 Pneumatic cleaning system optional qP Heat exchanger door qQ Safety heat exchanger for thermal safety flush valve qW Heat exchanger qE Frequency controlled flue gas exhaust blower ...

Страница 28: ...28 5797 137 01 Vitoflex 300 UF Technical Data Additional Information Rotary Valve Fuel Transport and Extraction Systems Accessories In feed auger Pipe trough conveyor auger ...

Страница 29: ... 5797 137 01 Vitoflex 300 UF Technical Data Fuel Transport and Extraction Systems Accessories continued Additional Information Pellet extraction auger Spring extraction system Horizontal extraction system ...

Страница 30: ...30 5797 137 01 Vitoflex 300 UF Technical Data Fuel Transport and Extraction Systems Accessories continued Walking floor auger Hydraulic unit Additional Information ...

Страница 31: ...water should be considered in areas with known problems such as where a high mineral content and hardness exist In areas where freezing might occur it recommended that an antifreeze be added to the system water for protection against freezing Please adhere to the specifications given by the antifreeze manufacturer Do not use automotive silicate based antifreeze Please observe that an antifreeze wa...

Страница 32: ...5797 137 01 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper Vitoflex 300 UF Technical Data ...

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