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- 28 - 

WOOD MODALITY 

 
RUN MODE: 

If the exhaust temperature is lower than 

Th13 

thermostat, starts the 

T21 

timer: if the temperature rises above this thermostat, 

the timer is reset, otherwise the system returns to Off state. 
 

 

 
MODULATION: 

 

 

 
STANDBY: 

Setting the 

A27 

parameter it is to get the brazier in Maintenance or in Extinguishing. 

 

 

SAFETY: 

 

 
EXTINGUISHING: 

 

Summary of Contents for Devron Series

Page 1: ...DEVRON SERIES MULTI FUEL FIRED GASIFICATION HOT WATER BOILERS DEVRON 30 DEVRON 40 OPERATION USE AND MAINTENANCE MANUAL Rev A JUNE 2017 ...

Page 2: ...0 BOILER CONTROL PANEL 14 11 OPERATION AND SHUT DOWN FOR WOOD GASIFICATION BURNING 15 11 1 CONTROLS BEFORE OPERATING 15 11 2 HEATING UP AND START 16 11 3 SHUT DOWN 16 11 4 BOILER CONTROL PANEL FOR WOOD GASIFICATION BURNING 18 12 OPERATION AND SHUT DOWN FOR PELLET BURNING 21 12 1 PELLET SCREW FILLING PELLET QTY CALIBRATION PARAMETER SETTINGS 21 12 2 START UP 26 12 3 OPERATION and SHUT DOWN 28 13 MA...

Page 3: ... operation only max 90 C and the system pressure must be according to the limited operating pressure specified on the boiler name plate and in this booklet Heat transfer medium is water Boilers must be fired by fuels specified in this manual 8 2 This is a B23 appliance so the flue gases must be connected to an adequate draught chimney without any flue gas leakage to the boiler room It is essential...

Page 4: ... your DEVRON boiler A good chimney will provide a continuous and reliable draft to pull the exhaust gases out of your boiler when the fan is not running The boiler must be connected to an approved chimney by local authorities No other appliance should be connected to this chimney The boiler should be connected to the chimney with the shortest minimum 60cm and maximum 200cm with maximum 2x45 degree...

Page 5: ...ulator be modified Keep the regulator out of reach of children Incorrect selection of the parameters can cause malfunction and serious problems of the boiler e g overheating of the boiler etc The programmed parameters should only be altered by an authorized service The electric system in which the regulator operates must be protected by means of a fuse selected appropriately to the applied loads D...

Page 6: ... 6 3 DECLERATION OF CONFORMITY ...

Page 7: ...service and spare parts to the boilers during said period The guarantee does not apply for the boiler if it is operated with wood exceeding 25 moisture content or with fuel not prescribed by the manufacturer 5 GENERAL SPECIFICATIONS DEVRON boilers are a complete unit with hot water boiler control regulator unit flue gas aspirator Do not attempt to change any of these items DEVRON boilers are gasif...

Page 8: ...anger must be provided in the system These boilers are suitable for fuels described in this manual 8 2 This boiler is suitable for use in open vented expansion vessel heating systems The system must have a matching expansion system Be sure that open vented expansion vessel and pipes are protected against frost and has no manual valves between boiler and expansion tank If you will use this boiler w...

Page 9: ...ame Monitoring 5 Feet 19 Safety Cooling Heat Exchanger 6 Rear Plate 20 Cover Plates 7 Smoke Box Door 21 Water Inlet Outlet 8 Smoke Box 22 Door Isolation 9 Tube Plate 23 Boiler Body Isolation 10 Boiler Tubes 24 Ventilation Vacuum Fan 11 Tube Cleaning Mechanism 25 Chimney Connection 12 Top Refractory 26 Back Door 13 Fan Box 27 Pellet Burner 14 Control Panel ...

Page 10: ...s are created and this process is much worse if the return water the boiler temperature is less than 55 C Feed water temperature of the boiler must be adjusted to minimum 75 80 C The boiler must not be operated lower than 60 output for a long time We recommend installing the boiler with hot water storage tanks buffer tank and load valve group which guarantees economy in fuel and longer service lif...

Page 11: ...ection point 20x20 cm min height 7m Ø20 cm min height 8m 15x15 cm min height 11m Ø16 cm min height 12m Exact dimensions of flue must be calculated according to local codes Flue draught is specified in technical parameters Exhaust pipe must have the outlet into the chimney If the boiler can not be attached to the chimney directly the exhaust pipe must be without heating surface and it must rise to ...

Page 12: ...enerally a mixture of several different compounds The composition of such mixtures and the behavior of their individual components under the conditions of boiler operation are difficult to predict Organic substances may be decomposed to form carbonic acid or other acidic decomposition products which increase the acid conductivity and cause corrosion or deposits They also may lead to foaming and or...

Page 13: ...he heating system with water water specifications shall be according to boiler manuals very slowly according to the air bleeding capacity of the components In open vented systems fill the system up expansion cistern s proper level Bleed all the air in the water side Any air pockets have been eliminated Run the circulating pumps and control that they are working properly Control all the possible wa...

Page 14: ... of the boiler probe and the value set for the boiler thermostat respectively on the other hand if the keyboard is set as the remote one they are to be considered the temperature of the room probe in the keyboard itself and the value set for the room thermostat Operating states shown Check Up Ignition Stabilization Modulation Standby Normal Safety Extinguishing Recover Ignition Block Off ...

Page 15: ...resent and operating in a correct and sufficient way Check all the sensors have in their correct position Check the circulation pumps functioning and the direction of rotation Check the presence of any kind of inflammable substance in boiler room The boiler can be operated only in accordance with these instructions in order to work properly It can be operated only by an adult Browsing Menu Push P3...

Page 16: ...lity The Menu is visible only if P11 2 3 4 It is possible to change the functioning modality only if From the state of OFF you can select any one of the three options With System On and P11 2 the operation can not be changed With System On and P11 3 from the function only Wood you can move on to the Combi With System On and P11 4 from the function only Wood Pellet you can move on to the Combi ...

Page 17: ...The system has 10 calibration s steps 0 value is set by the factory The calibration s effect is valid only in Run Mode and Modulation for the current recipe For each step the value is increased or decreased of a per cent value P15 set in the Default Settings Menu This menu is visible only if P11 is different from 1 Feed screw will start to work continuously After 6 7 minutes later pellet feeding s...

Page 18: ...Compare your result with the table below Assign values P05 and T03 of the closest corresponding value to the table as new values for gain Do this only after replacing the pellet you used after the first servicing and if you notice a performance drop You can make the relevant changes by following the steps below To change the P05 parameter Press and hold the Set key for 3 seconds From the resulting...

Page 19: ...00 6 4 91 3400 6 6 88 3500 6 8 86 3600 7 0 83 3700 7 0 81 3800 7 3 79 3900 7 5 77 4000 7 7 75 4100 7 9 73 4200 8 1 71 4300 8 3 70 4400 8 5 68 4500 8 7 67 4600 8 9 65 4700 9 1 64 4800 9 3 63 4900 9 5 61 5000 9 7 60 5100 10 0 59 5200 10 0 58 5300 10 2 57 5400 10 5 56 5500 10 5 55 ...

Page 20: ...the Domestic Puffer Thermostat value This Menu is visible only setting the parameter P26 10 and P76 9 The maximum value can be programmed by setting Th83 Thermostat Flow Thermostat Menu which allows to modify the Flow thermostat s value This Menu is visible only if P75 8 and setting a plumbing plant with Flow Probe parameter P26 9 It is possible to program the minimum and the maximum value of the ...

Page 21: ... of a day at 23 59 and set the hour of ignition for the next day at 00 00 Weekly Using this program the 3 switch on and switch off times are the same for all days of the week Week end It is possible to select the periods Monday Friday or Saturday Sunday For each period there are 3 switch on and switch off times LOAD MENU This menu allows loading manually the Auger For the touch screen keyboard sel...

Page 22: ...erature security intervention and operating errors occurring Functioning states in Pellet Modality Off Check Up Ignition Stabilization Recover Ignition Run Mode Modulation Standby Extinguishing or Maintenance Safety Extinguishing Block Functioning states in Wood Modality Off Run Mode Modulation Standby Extinguishing or Maintenance Safety Extinguishing Block Note The system guarantees the security ...

Page 23: ... 23 PELLET MODALITY OFF CHECK UP IGNITION ...

Page 24: ... 24 STABILIZATION IGNITION RECOVERY ...

Page 25: ... 25 RUN MODE MODULATION ...

Page 26: ...ust Room Thermostat Hysteresis and Boiler Thermostat Hysteresis Anyway Standby lasts at least 10 seconds Setting the A27 parameter it is to get the brazier in Maintenance or in Extinguishing Standby Extinguishing A27 0 When the conditions that led to the system in Standby aren t valid the T11 timer starts if A26 1 from Wait phase if A26 0 from any phase At the end the system goes in Check Up Extin...

Page 27: ... 27 SAFETY EXTINGUISHING BLOCK ...

Page 28: ...Th13 thermostat starts the T21 timer if the temperature rises above this thermostat the timer is reset otherwise the system returns to Off state MODULATION STANDBY Setting the A27 parameter it is to get the brazier in Maintenance or in Extinguishing SAFETY EXTINGUISHING ...

Page 29: ...h03 Th06 Th09 P71 4 or P74 P75 P76 18 is considered thermostat L01 If the system passes the phases of Ignition and Stabilization comes up to speed and starts the timer T71 During the time T71 the system can only go in Safety or Modulation Standby for Boiler Temperature according to the parameter A13 At the exit from Standby the system resumes from Ignition phase restarting the Ignition of Wood wit...

Page 30: ...rono sends the system in Standby outside the programmed time on bracket A32 3 the chrono blocks the plant pump outside the programmed time on bracket if the water temperature in the boiler exceeds the Th19 thermostat If the temperature exceeds the Th21 thermostat the pump turn on A32 4 the chrono works as in the cases 2 and 3 NOTE If there is a sanitary water demand the pump system isn t blocked a...

Page 31: ...checking procedure similar to that of Wood transition described in section 6 3 In this case the system can switch to Wood extinguishing Furthermore in this case if exhaust temp Th68 the extinguishing switches to Wood modality If it occurs any error the system goes immediately in Extinguishing with error If the P2 button is pressed it is possible to get immediately the system in Extinguishing or in...

Page 32: ...he Auger feeding in Wood modality will only start if the timer T40 expires State System Safety Valve Check Up Ignition Stabilisation Run Mode Modulation Standby Maintenance work phase Safety Extinguishing Advancement Auger phase On Other States Off Load Pellet Engine When the Pellet Level Sensor signals the absence of pellet the output is activated to do the loading of the tank If in a time T24 is...

Page 33: ... manuals very slowly according to the air bleeding capacity of the components In open vented systems fill the system up to expansion cistern s proper level In sealed systems fill the system up to the predefined pressure In sealed systems there must be an additional safety system for overheating approved by local authorities Bleed all the air in the water side Be sure that any air blockage have bee...

Page 34: ...ter will be free for bleeding Control all the security and operation devices for proper operation and set values are according to system needs again Call the owner or operator of the boiler house and give the necessary information for proper operation of the system and warn them about the possible dangers and limitations and what will they do in case of emergency ...

Page 35: ...AULT INDICATION Both the keyboard touch screen and LCD you can view the messages on the main screen such as error messages Errors All errors make the security system block except errors Er04 and Er05 to wood ...

Page 36: ... ash door and control the ash box If needed clean manually Put back all the dismantled part in its proper place in reverse order Connect the main power And run the system Again once a year call your authorized service for checking the combustion parameters security and operational devices Do not alter the security devices preset values Reset the burner fault maximum 3 times and still not firing ca...

Page 37: ...e any problem please buy the rest of the pellets you will need for that heating season Small changes in the pellet specifications can affect your system parameters Chimney is also very important part of the heating system You must have always negative pressure 1 8 Pa when the boiler fan is not running Positive pressure can carry back the hot poisonous flue gases to boiler house Too much negative p...

Page 38: ... 38 13 BOILER NAME PLATE COMMISIONING DATE COMMISIONED BY NAME TEL INTIAL SET VALUES Fuel type System pressure mbar ...

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