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Viessmann VITOFLEX 300-UF, Installation And Operating Instructions Manual

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Viessmann VITOFLEX 300-UF Installation And Operating Instructions Manual Download Page 61

61

5797 344 - 01  

Vitoflex 300-UF Installation & Operating

Additional Settings

 Shutting Down the Heating System for an Extended Period

1.  Switch off the system with the   key.

 

The controller switches the system off automatically.

2. 

Allow the existing firebed to burn out completely.

3.  Open the combustion chamber door.

4.  Allow the combustion chamber time to cool down.

5.  Switch off the system at the control panel using the

 mains 

isolator.

Cleaning and checking the combustion chamber
Note:

  Always clean and check the entire combustion  

 

   chamber at the end of the heating season.

Pay particular attention to the following combustion

chamber components and parts:
1.  Clean off any slag deposits, etc. from the secondary

 air 

apertures.

2.  Check the ash removal zones under the grate

 

through the maintenance cover. Remove all ash.

3.  Clean the grate elements and check for damage.

4.  Have damaged grate elements replaced by the

 

Technical Services department.

5.  Check the flanged connections of the fuel supply

 system.

6.  Tighten any slack screws.

7.  Replace damaged gaskets.

Restarting the system

1.  Switch ON the mains isolator on the control panel.

2.  Switch ON the system, see page 43.

WARNING

There is a risk of deflagration when the combustion

chamber door is opened. Poking around in the firebed 

leads to oxygenation, which can produce a flash. Both 

can result in severe burns.

Never open the combustion chamber door while the 

system is in operation.

Before opening the combustion chamber door, ensure 

that you are standing in a safe place.

Never poke around in the firebed.

Summary of Contents for VITOFLEX 300-UF

Page 1: ...efore commencing installation and start up Failure to comply with these Installation Instructions will render all warranties null and void Working on the equipment The installation adjustment service and maintenance of this product must be performed by a licensed professional heating contractor who is qualified and experienced in the installation service and maintenance of hot water heating boiler...

Page 2: ...tant Regulatory and Installation Requirements Contaminated air Air contaminated by chemicals can cause by products in the combustion process which are poisonous to inhabitants and destructive to Viessmann equipment For a listing of chemicals which cannot be stored in or near the boiler room please see subsection entitled Mechanical Room Advice to owner Once the installation work is complete the he...

Page 3: ...Indicates an imminently hazardous situation which if not avoided could result in death serious injury or substantial product property damage Indicates an imminently hazardous situation which if not avoided may result in minor injury or product property damage Helpful hints for installation operation or maintenance which pertain to the product This symbol indicates to note additional information Th...

Page 4: ...nd ceramic fiber materials 15 First aid measures 15 Power Failure Provision 16 Venting Requirements 16 Mechanical Room 17 Mechanical room conditions 18 Sources of combustion and ventilation contaminants 18 Combustion Air Supply 19 Codes 19 General 19 Confined spaces 19 Unconfined spaces 19 Louvers and grilles 19 Negative pressure 19 Technical Data 20 Boiler Dimensions 21 Boiler Components 22 Flue ...

Page 5: ...p 43 Shutting Down 43 Parameter Level 44 Fuel 44 Secondary Air 49 Flame 50 Flow 52 Flue Gas Fan 54 Cleaning the Touchscreen 55 Setting the Language 55 Parameter Set Management 56 IP Settings 57 User Administration 58 Charts 59 Shutting Down the Heating System for an Extended Period 61 What to do in the Event of a Fault Message 62 What to do in the Event of a Warning Message 62 Table of Fault Messa...

Page 6: ...ure main power supply to equipment the heating system and all external controls have been deactivated Take precautions to avoid accidental activation of power during service work Technical literature Literature applicable to all aspects of the Vitoflex 300 UF wood fired boiler Installation and Operating Instructions Service and Maintenance Instructions Field Wiring Diagram Please carefully read th...

Page 7: ...pressures and temperatures in excess of those listed will result in damages and will render the warranty null and void Maximum allowable working pressure water 30 or 60 psi Maximum water temperature 250 F 120 C closed loop Maximum boiler temperature 210 F 99 C open loop This boiler does not require a flow switch Codes CSA B366 1 M91 Solid Fuel Fired Central Heating Appliances CSA C22 2 NO 3 M1988 ...

Page 8: ...ater 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 with a heat d...

Page 9: ...ich lifting gear may be attached A special crane provided by the customer on site is required to lift the combustion chamber 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 ...

Page 10: ...er Combustion 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 ...

Page 11: ...re 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 General Information If different fuels are used Viessmann will not assume any...

Page 12: ...nts dry mixed Pellets and briquettes Fuel code Bulk Density kg m lb ft Water content Fuel Size Description j S350 21 8 Less than W15 P4 Briquettes from wood remnants c in 20 mm to max 2 in 60 mm k1 S650 40 6 Less than W10 P1 untreated up to e in 10 mm k2 S650 40 6 Less than W10 P2 untreated e in to c in 11 mm to 20 mm Maximum water content The maximum allowable water content of the fuel for Vitofl...

Page 13: ...cifications regarding cleaning are based on untreated wood with bark attached with an ash amount of 0 8 of the fuel mass If the ash content is higher and or the ash melting point is lower increased maintenance and or cleaning are required Changing fuels A substantial change in fuel quality such as bulk density water content dust proportion or ash content might require a manual correction of the fi...

Page 14: ...ressure gauge for correct system water pressure Check for water on the floor from the discharge pipe of the pressure relief valve or any other pipe pipe joint valve or air vent Check for moisture water or appearance of rust on the flue gas pipes their joints as well as vent dampers or side wall vent terminals if so equipped Ensure that nothing is obstructing the flow of combustion and ventilation ...

Page 15: ...s gently with soap and warm water after handling Suppliers of ceramic fiber products recommend the following first aid measures Respiratory tract nose and throat irritation If respiratory tract irritation develops move the person to a dust free location Eye irritation If eyes become irritated flush immediately with large amounts of lukewarm water for at least 15 minutes Eyelids should be held away...

Page 16: ...ures 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 ...

Page 17: ...le 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 most ...

Page 18: ...c manufacturing plants Photo processing plants Beauty salons Products containing contaminants Chlorine type bleaches detergents and cleaning solvents found in household laundry rooms Paint and varnish removers Hydrochloric acid muriatic acid Chlorine based swimming pool chemicals Spray cans containing chlorofluorocarbons Chlorinated waxes and cleaners Cements and glues Refrigerant leaks Calcium ch...

Page 19: ...tor 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 f...

Page 20: ... 23 383 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 combustion chamber 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 auge...

Page 21: ...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 121 ...

Page 22: ...ombustion chamber F Igniter optional G Cleaning cover trough H Cleaning cover external grate K Light barrier de ashing system 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 ...

Page 23: ...e 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 cyclone with quick action fasteners It can easily be pulled out for emptying The flue gas exhaust blower can be installed either on the si...

Page 24: ...24 5797 344 01 Vitoflex 300 UF Installation Operating Recirculation System Mechanical ...

Page 25: ...d 130 with gasket 18 18 18 19 20 9 Distributor 1 1 1 1 1 10 Fan DMVL 1 1 1 1 1 11 Intake cone 1 1 1 1 1 12 Recirculation bracket 1 1 1 1 1 13 Threaded rod M12 L 7b in 190 mm 2 1 2 2 2 14 Threaded rod M12 L 97 8 in 250 mm 1 15 Pipe clamp 125 130 M12 2 2 2 2 2 16 Fan bracket 1 1 1 1 1 17 Mesh 8 x 8 1 1 1 1 1 18 Pipe insulation L 39e in 1000 mm 4 5 5 6 6 19 Bolt M12 x 1 in 25 mm 4 4 4 4 4 20 Nut M12 ...

Page 26: ...n is performed by means of an extinguishing valve which is not dependent on an electric current A float type switch monitors the water level and should be electrically connected see field wiring diagram Safety Devices IMPORTANT IMPORTANT WARNING Do not install an isolation valve between the boiler and the pressure relief valve The discharge pipe for the pressure relief valve must be oriented to pr...

Page 27: ...l other models have only one PRV connection 3 4 in boiler flange for Vitoflex 300 UF 390 720 6 in boiler flange for Vitoflex 300 UF 950 1250 Legend A Nipple c in x 1b in B Reducing coupling c in x b in C Boiler water temperature gauge D Bushing c in x a in E Nipple a in x 2b in F Ball valve a in G Pressure gauge H Sensor well fixed high limit sensor supplied I Safety heat exchanger connections NPT...

Page 28: ...turn line Bypass line Boiler return line Blocked port Valve adjustment must be facing forward Adjustment 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 option B 5 sensors 1 2 and 3 indica...

Page 29: ...sure relief 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 size...

Page 30: ...el conveyance speed into the combustion chamber door 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 ...

Page 31: ...red 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 ...

Page 32: ...auger 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 F 194 F 50 C 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 ...

Page 33: ...ket 7 1 Plastic container 6 6 USG 25 L 8 2 Clamping band 9 1 Duct b in 10 1 90 street elbow b in 11 1 Strainer b in Item No Quantity Description 12 1 Connector b in 13 1 Danfoss AVTA 14 1 Reducer c in b in 15 1 Union c in 16 1 Gasket c in 17 1 90 street elbow c in 18 1 Weld on nipple c in 19 1 Clamp 20 3 Bracket 21 3 Strain washer 22 3 Hex nut 23 1 Sensor Connection to the extinguishing water cont...

Page 34: ... Weld on nipple 18 is pre installed at the metering container The Weld on nipple 18 needs to be welded on for the fire extinguishing system for the conveyor auger and the fire extinguishing system for the down pipe 18 The fire extinguishing system for the conveyor auger and the fire extinguishing system for the down pipe are optional Install a in line from the 90 street elbow 10 to the strainer 11...

Page 35: ... UF fuels as defined in chapter Ordering fuel can be combusted in an automatic process Legend A Boiler supply B Boiler water temperature sensor C Safety heat exchanger D Temperature sensor high limit safety cut out E Boiler return F Sensor well for thermally activated safety valve G Heat exchanger door H Pneumatic cleaning system optional K Combustion chamber door L Connection ash removal screw co...

Page 36: ...provided either by a shut off gate valve or a rotary lock valve The type of locking device used depends on the position and size of the fuel store and the pressure conditions in the fuel transport system An extinguishing device is also installed which floods the feed screw conveyor with water when a selectable response temperature is reached Operating instructions The operating instructions form p...

Page 37: ... if the supply temperature drops below the Standby OFF value Burnout Operating state after the system has been switched off via the programming unit or as a result of a fault A controlled system shutdown is performed To do this the feed is run to empty with the selected Cycle maintaining parameter Exception The system switches to the Emergency burnout operating state if the following faults occur ...

Page 38: ... the heating room door Electrical connection Install the control panel according to the field wiring diagram The field wiring diagram is supplied with the control panel In the area of hot parts flue gas exhaust blower flue gas pipe the lines should be installed in steel pipes at an appropriate distance so as to be protected from excessive temperatures See section Boiler Wiring The cable bushings t...

Page 39: ...allow you to enter text and values Tap an entry field and a keyboard or number pad will appear on the touchscreen Keyboard Legend A ESC key The keyboard is closed and no data is saved B Entry field Contents can be changed by typing into the box by means of the keyboard C Enter key Saves the entered data and closes the keyboard Number pad Legend A ESC key The number pad is closed and no data is sav...

Page 40: ...ameter of each sub area Legend A Fuel Displays the fuel supply in B Secondary air Primary air Displays the flue gas oxygen content in C Flame Displays the combustion chamber temperature in C D Flow Displays the supply temperature in C E Flue gas fan Displays flue gas fan utilisation level in F Flue gas temperature no key Flue gas temperature display in C G Boiler animated flame The flame is depict...

Page 41: ...ters Observer As an observer you can only view the controller screens and activate automatic mode from the default display A component is currently in manual mode You can switch manual mode off When you do so all components which are in manual mode are switched back to automatic mode simultaneously System is currently in automatic mode Color of symbol Green Time e g 10 39 Set the date and time via...

Page 42: ...ic mode keys enable you to operate components manually or automatically See page 49 On each sub area screen the key gives you access to the sub area s parameter level The parameters may be assigned to several tabs See page 56 Menu The Menu screen gives you access to further screens with a variety of functions Tapping the key opens the associated screen The functions are described in various sectio...

Page 43: ...Fuel supply Default display Fuel see page 44 The controller then switches to the Ignition operating state Fuel with moisture content above W 40 If the fuel moisture content is above W 40 the combustion chamber must first be heated Even if an ignition system is installed you will still need to perform steps 2 to 5 described in the above table To keep the fire lit add more kindling if necessary Afte...

Page 44: ... triggered Note For ignition to be successful there must be an adequate amount of fuel level with the ignition system after the combustion chamber fill time has elapsed Setting in seconds 10 to 1200 80 Screw conveyor fill time Length of time that the feed system is filled on system start up Applies only to warm starts i e when the combustion chamber temperature is sufficiently high Setting in seco...

Page 45: ...cycle Setting is a of the system s inherent maximum cycle time for fuel feed 0 to 99 20 Maximum cycle feed screw conveyor Right entry field Upper cycle time limit in the Load and Burnout operating states Setting is a of the system s inherent maximum cycle time for fuel feed 1 to 100 100 Limit temperature feed pipe Feed temperature at which safety measures are initiated If the temperature at the fe...

Page 46: ...10 to 1000 80 Container or Hydraulics Delay ON Start delay Setting in seconds 0 to 200 2 Emergency mode If the runtime monitoring function for the transverse screw conveyor is triggered it is assumed that bridging has occurred in the trough The discharge will then run using the times specified here until the container is empty See above for a definition of pulse pause Pulse 0 to 200 5 Pause 0 to 6...

Page 47: ...ew conveyor 1 Fill level indicator for the screw conveyor If the light barrier is triggered the message Full is displayed and the status display illuminates green Container Fill level indicator for the transverse screw conveyor for the respective container If the light barrier is triggered the message Full is displayed and the status display illuminates green Push floor status Displays the push fl...

Page 48: ...m enter 00 00 to 00 00 Times are in the hh mm format hh hours mm minutes 00 00 to 23 59 h 00 00 Run on ascending ash screw Run on time of the ascending ash screw If the light barrier for the ash level no longer detects any ash the ash removal screw conveyor stops and the ascending ash screw runs on for the period of time set with this parameter Setting in seconds 10 to 60 20 Ash removal tab Note T...

Page 49: ...s the current set value for the secondary air fan Sliding value between the set value for the secondary air fan at full load and the set value at partial load Residual O2 Set value for the residual oxygen content control variable for secondary air control Setting in 4 to 18 7 Residual O2 partial load offset Sliding increase in the residual oxygen content at partial load Full load 0 increase minimu...

Page 50: ...per limit for the control range of the recirculation fan Setting in 11 to 100 80 Recirculation fan partial load Lower limit for the control range of the recirculation fan Setting in 10 to Recirculation fan full load 20 Current set value Displays the current set value for the recirculation fan Sliding value between set value for recirculation fan at full load and set value at partial load Combustio...

Page 51: ...ximum opening of the recirculation damper upper control limit Setting is a of the maximum opening 11 to 100 80 Controller fresh air damper Parameter Description Setting range Standard value P factor 1 to 100 10 D factor 1 to 100 10 Min max opening Parameter Description Setting range Standard value Min opening Minimum opening of the fresh air damper lower control limit Setting is a of the maximum o...

Page 52: ... in minutes 1 to 30 10 Firebed maintenance ON If the supply temperature rises above this value the boiler switches to the Maintaining operating state Setting in C Flow temperature 3 to 100 90 Firebed maintenance OFF If the supply temperature drops below this value the boiler switches to the Load operating state The value for Firebed maintenance OFF must not be greater than or equal to the value fo...

Page 53: ...Flow controller Parameter Setting range Standard value P factor 1 to 100 50 I factor 0 to 100 0 D factor 1 to 100 50 Cycle time 1000 to 15000 5000 Return controller Parameter Setting range Standard value P factor 1 to 100 20 I factor 0 to 100 0 D factor 1 to 100 30 Cycle time 1000 to 15000 5000 ...

Page 54: ...rameter Setting range Standard value P factor 1 to 100 50 I factor 0 to 100 0 D factor 1 to 100 50 Cycle time 1000 to 15000 5000 Parameter Description Setting range Standard value Flue gas temperature burnout OFF A low flue gas temperature is a clear sign for there being no longer any firebed in the combustion chamber If the flue gas temperature drops below this value the control system switches f...

Page 55: ...wing keys 1 Menu 2 Panel 3 Cleaning screen The touchscreen is inactive for 15 seconds and can be touched without effect 4 Clean the touchscreen Setting the Language Tap the following keys 1 Menu 2 Panel 3 Flag Symbol for the available languages The text in the user interfaces is changed to the selected language ...

Page 56: ...ntry field for parameter name Here you can enter the name of a new parameter set or change an existing parameter set B Parameter selection field Tap to select a parameter set The selected parameter set is highlighted against a grey background C Save Saves the currently set parameters to the selected parameter set D Load Loads the selected parameter set E Create Creates a new parameter set F Delete...

Page 57: ...current IP address subnet mask and default gateway are displayed under Ethernet adapter Local Area connection 6 Note down the IP address subnet mask and default gateway for subsequent configuration Configuring the controller network Ensure that the following requirements are met Controller and computer are connected to the network Controller is switched on 1 On the programming unit tap on IP setti...

Page 58: ...anage users Creating users 1 Tap an empty Name field The Change user window is displayed 2 Enter the name and the password 3 To save the changes Tap OK or To reject the changes Tap Cancel Changing user and or password 1 Tap the name or password field you wish to change The Enter password prompt is displayed 2 If you have entered the correct password change the name or password by tapping the appro...

Page 59: ... the current cursor position Tap in this area to display the chart settings screen see page 60 Legend B Chart with the selected variables Tap the chart to zoom into the time axis C Zoom Shows the time axis in a higher resolution in the chart Sets the time range to 30 minutes Shows a greater time range D Current cursor position Moves the cursor to the left Moves the cursor to the right Positions th...

Page 60: ...4 parameters can be displayed Tap a parameter The parameter is highlighted with a blue background and is selected Configure the selected parameter in the chart with Color Limit max and Limit min Delete the selected parameter from the current chart with Trend C Color drop down menu Sets the color of the selected parameter in the chart D Limit max Sets the upper scale value along the Y axis for the ...

Page 61: ... deposits etc from the secondary air apertures 2 Check the ash removal zones under the grate through the maintenance cover Remove all ash 3 Clean the grate elements and check for damage 4 Have damaged grate elements replaced by the Technical Services department 5 Check the flanged connections of the fuel supply system 6 Tighten any slack screws 7 Replace damaged gaskets Restarting the system 1 Swi...

Page 62: ...fault message on the programming unit WARNING Risk of injury due to faults in the heating system that have not been rectified In the event of faults shut down the heating system and safeguard against reconnection Immediately notify faults to the responsible body or individual Rectify faults immediately When rectifying a fault no one else should be present in the danger zone around the heating syst...

Page 63: ...trician Fault feed sensor faulty Temperature sensor or lead faulty Consult a qualified electrician Fault flue gas temperature sensor Temperature sensor or lead faulty Consult a qualified electrician Fault material shortage Fuel store empty Fill fuel store Material blockage Switch OFF mains isolator and remove material blockage Shut off gate valve jammed Check shut off gate valve for ease of operat...

Page 64: ...hat emission values are observed WARNING Risk of poisoning from carbon monoxide and carbonization gas as a result of incomplete combustion caused by overfilling with fuel Ensure that the fuel supply and air supply are adjusted correctly When changing to a different fuel adjust the parameters to suit the new fuel Adjusting the Ash Removal The amount of ash in the combustion chamber depends on the a...

Page 65: ...emoval screw conveyor 4 Stop the movement of the ash removal screw conveyor The ash removal screw conveyor comes to a halt 5 Remove large bits of slag with a poker or similar 6 Close the combustion chamber door 7 On the programming unit switch back to automatic mode The ash removal screw conveyor is now unjammed CAUTION Risk of crushing by and entanglement in the ash removal screw conveyor Never r...

Page 66: ...acknowledged fault messages Once acknowledged the fault message is then only displayed under History All fault messages All fault messages including those already acknowledged are shown on this screen The latest fault message is always at the top Once the number of fault messages reaches 100 the oldest message is deleted when a new one is generated Note Acknowledged messages are displayed in grey ...

Page 67: ...Hours run standby Displays the number of hours run in the Standby operating state Hours run boiler 2 Displays the number of hours run by boiler 2 external heat generator Tap the following keys 1 Menu 2 I O modules Note The I O modules screen is a display only screen and is used for checking and troubleshooting inputs and outputs Legend A Designation of the input and output module in the controller...

Page 68: ...Manual mode and Automatic mode keys enable you to operate components manually or automatically Switches manual mode for the component on or off Symbol colors Orange active Neutral off Switches automatic mode for the component on or off If automatic mode is switched off this means that the component is in manual mode Symbol colours Green active Neutral off Additional keys in manual mode Symbol Desc...

Page 69: ...ion chamber ash removal Green arrow is animated ash removal active ___ Free Light barrier for ash removal is clear ___ interrupted Light beam of the light barrier for ash removal is interrupted If you tap the Secondary air Primary air key in the default display the following screen is shown Tap on the following key Secondary air The following sub area screen appears Legend A Display of actual and ...

Page 70: ... position is depicted as an animation E Fresh air damper Opening of fresh air damper in The damper s current opening position is depicted as an animation Legend A Display of actual and set return temperature in C B Display of actual and set supply temperature in C C Flow temperature controller key disables flow control key enables flow control D Return mixer Flow Flue Gas Fan Legend A Display of a...

Page 71: ...hannel metal design onto the foot plate on top of the boiler with minimum distance of b in 10 mm Fasten cable channel metal design on casing with minimum distance of c in 20 mm Cable channel metal design over entire width of boiler fastening on the bottom of the boiler jacket it is not water bearing Mount cable channel metal design with minimum distance of 7c in 200 mm to the feed auger no support...

Page 72: ... if this procedure is not followed IMPORTANT IMPORTANT Fuel for the commissioning For the commissioning sufficient dry fuel max W 20 should be stored for approx 10 24 full operating hours Vitoflex 300 UF 390 approx 5100 lb 2313 kg Vitoflex 300 UF 530 approx 6600 lb 2994 kg Vitoflex 300 UF 720 approx 8800 lb 3992 kg Vitoflex 300 UF 950 approx 11660 lb 5289 kg Vitoflex 300 UF 1250 approx 14960 lb 67...

Page 73: ...ly and permanently ventilated Ensure the door or latches are securely locked open during presence in the room No smoking fires or open flames are permitted The fuel storage area room must be designed operated and maintained to national provincial and local codes and requirements CAUTION Risk of fire when fuel is being blown into the fuel store Dangerous pressure changes arise in the combustion cha...

Page 74: ...ng is only possible when the temperature has fallen to approx 158 F 70 C Possible causes for excess temperature Incorrect setting on the control module Defective component of the system pump or valve Sudden drop in output to zero The in feed auger still has to be emptied The heat yet produced by this can result in surplus temperature Activate DISSIPATE SURPLUS HEAT function Excess Conditions Low w...

Page 75: ...75 5797 344 01Vitoflex 300 UF Installation Operating ...

Page 76: ...5797 344 01 Technical information subject to change without notice Printed on environmentally friendly recycled and recyclable paper Vitoflex 300 UF Installation Operating ...

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