Installation and Operating Instructions - Antti
Contents
1. a 14 Annual Serice e de attente enaar reeden anda 14 Maintenance during the operation nnee eite ere e eene dieen doe ede ene p teas e node Leeda ede eb da dated de eden 14 GUARANTEE eet de oet e ve onto ae pe eee Ee tu etu e co ae ve cadet ete aed adve vun nee 14 POSSIBLE MALFUNCTIONS IN THE GAS BURNER ener ennneereenennenervenenneervenenneeren veen 15 EU Declaration of Conformity 2 2 2 nocte deere e e Ea reed tee rk ur ee tb de ei a ie e d Do e d e get 18 Y Dryer Heater Vacboost WMO9 Dryer heater type This book deals with the Antti A1500 range of gas fuelled direct driven dryer heaters Channel burners are avail able for two different gases liquid gas and natural gas The basic components of the two burners are similar Refer to the nameplate affixed to the side of the machine for detailed information about the type of your heater Always notify the seller and the service personnel of the information in the nameplate to ensure quick assistance in case of malfunction and when ordering spare parts To have this data available whenever required write it down in the corresponding place on this page ANTTI TEOLLISUUS OY Koskentie 89 FIN 25340 KANUNKI KUIVURIUUNI C C A 1500 DIRECT move A70283 0 MAX NESTEKAASU LPG 58 4 mn vean OF MANUFAC 20 max MAAKAASU NG 150 m h rorat OUTPUT 1500 kw VOLUME FLOW Tmax 120 C 60 000 mh Antti Teollisuus Oy 3 408102 06 2010 Dryer Heater Vacboost2. been reached for example as a result of fire inside the dryer The fire thermostat is included in the axial blower delivery A fire thermostat shall be installed in every outlet pipe of the blower Normally the thermostat is adjusted to 60 C The thermostat comes with a 2m long capillary pipe that makes it possible to install the thermostat box in a location with easy access The manually operated reset button at the side of the thermostat box must always be reset after the temperature has risen to the switch off limit During normal operation the temperature never rises to such a high value This may occur exceptionally for example when the dryer is being test run empty whereupon the temperature may easily rise to its pre set switch off value Location of the thermostats in the grain dryer Sensor PTC for the drying air temperature sensor Outlet air thermostat PTC for the 2nd flame Fire thermostat LTM thermostat not to be installed if the dryer is equipped with Logicontrol Pressure difference sensor Constant temperature sensor optional If there are two blowers the sensors on the outlet side shall be installed in the lower air pipe if necessary the On the inlet side the sensors shall be installed in the air upper blower can be disabled pipe inside the building in a straight part of the pipe not near curves Also ensure that there is no direct line of vision from the sensors to the rear part of the combustion chamb
3. dition the front wall must be located in a dust free area There must be an even dust free area in front of the heater room s air intake door this area should preferably be concreted and be as wide as the heater room The doors to the heater room must be open during operation The heater room s door opening must be located at a distance of at least 3 metres from any flammable wall of the dryer and at least 1 5 metres from any non flammable wall of the dryer The above mentioned distances also apply if an existing dryer is converted to a vacuum dryer Primarily the same regulations apply to insulated and sheet metal clad StandAlone dryers that are installed out of doors than to silo element dryers that are constructed of steel Antti Teollisuus Oy 7 408102 06 2010 Dryer Heater Vacboost WMO9 INSTALLATION Safety instructions and regulations The installation of the dryer heater must be carried out by a skilled electrician and a gas appliance fitter with relevant authorisations in the presence of a person who is familiar with the installation procedure of the dryer machinery The permissions required for the building work and connecting the gas appliances need to be applied from for example the gas supplier Contact the local building authorities for additional information Selecting the installation location The distance to the other buildings and location of the debris pipe in the dryer restrict the selection of the locatio
4. UPPER PL A70333 1 18 2 A70334 DR HEATER A1500 OUTER JACKET ZN LOWER PL A70334 1 17 3 A70240 DR HEATER A1500 FURNACE ASSEMBLY A70240 1 128 1 A70251 DR HEATER A1500 BASE A70251 2 23 2 A70597 DR HEATER A1500 NAMEPL ANTTI A70597 5 4 A71290 DR HEATER A1500 SUCTION CONE A71290 1 66 8 w N ola gt oo N oO 10 800074 GAS BURNER A1500 OILON GP 90H 1 63 11 A70238 RAIN COVER BURNER ASSEMBLED A 500 A 1500 A70238 1 14 12 A70244 OUTLET CONE A1500 FOR D1250 HEATER accessory A70244 1 54 4 Suitable gases Natural gas for gases of H and E subgroups in the 2nd family equipment categories I2H and I2E supply pressure inlet pressure to the burner is 20 150 360 mbar see table temperature of gas when arriving to the gas valve 15 40 C Liquid gas for gases of subgroup P in the 3rd family equipment category I3P supply pressure inlet pressure to the burner is 30 150 360 mbar see table temperature of gas when arriving to the gas valve 0 40 C The suitability of the burner for other gases or supply pressures than the above mentioned must be checked with the manufacturer of the burner The influence of the inlet pressure of the gas on the capacity range of the burner Burner Gas valve Capacity range of the burner kW Max supply pressure mbar Supply pressure of the gas Size of the connection Type 20 mbar 30 mbar 5
5. WMO9 PRESENTATION OF THE MACHINE The Vacuum Heater A1500 is intended for heating the drying air in a grain dryer The blower unit or units generate s an airflow through the heater and the dryer The maximum temperature of the drying air can be as high as 120 C n the basic set up the grain dryer is placed between the heater and the blower and an air duct is conducted from the heater to the dryer s inlet air channel end The air flows through the drying sections and via the suction fan in the outlet air channel end into the air duct and further out of the building Thedryer heater is delivered in several parts which comprise the heat exchanger the outlet cone can be bought separately the oil burner the rain cover for the oil burner and the accessories required for the assembly In addition the air pipe must be fixed the heater must be connected to the dryer The electric installations of the grain dryer s control centre must be carried out by an electrician In addition is required a supply reservoir of gas and a pipeline from it to the burner installed in accordance with the regulations Antti Teollisuus Oy 4 408102 06 2010 Vacboost WMO9 Dryer Heater Part Item Denomination Dwg no Pcs Weight 1 A70232 DR HEATER A1500 RADIATION SHIELD A70232 17 1 8 A70700 STRIP FOR DR HEATER A1500 RADIATION SHIELD A70700 8 1 5 A70233 DR HEATER A1500 OUTER JACKET ZN A70233 6 17 8 A70333 DR HEATER A1500 OUTER JACKET ZN
6. program indicator of the control unit is an indication of the possible fault type see Indication of malfunction and control programme You can use measuring instruments for fault finding Symptoms 1 Motor Possible cause Remedy The motor of the burner does not start symbol 2 Low air pressure Current circuit broken Thermal relay has tripped or is faulty Fuse has tripped Motor contact faulty Motor faulty Break in the motor s control circuit faulty control unit faulty setting of the cam wheel for the adjustment motor s air adjustment plate faulty adjustment motor Clear up the break Check the setting reset or replace Reset or replace Replace Replace the motor Replace the relay Fix the setting Replace the motor The burner motor starts but stops abruptly during pre ventilation or after that symbol P Antti Teollisuus Oy Faulty setting of the air differential pres sure switch The impulse hose s for the air differential pressure switch dirty Faulty air differential pressure switch Soiled blower 15 Check the setting repair as required Clean the hose s Replace Clean 408102 06 2010 Dryer Heater Symptoms 3 Ignition fault The burner motor starts the control volt age supply from the control unit to the ignition transformer has been switched on No ignition occurs and after a short while a rapid shut off takes place
7. switch in the door Gas reservoir connection Consult the local municipal authorities for valid regulations for the gas reservoir and the gas connection Turn to the supplier of gas for more information Antti Teollisuus Oy 8 408102 06 2010 Dryer Heater Vacboost WMO9 Lifting the dryer heater in place When lifting the heater observe the following use all the lifting lugs provided ensure that the lifting gear stays in position in the lugs only use hoists with sufficient lifting capacity never go under or too near the unit to be lifted Liftthe heater without the burner in the place presented in the installation drawing or plan Because the founda tion must be level and steady by default there is no need to attach the heater specifically to its bed Installing the air ducts The air ducts between the dryer heater and the dryer shall be assembled of air duct parts D1250 or the heater shall be connected to the dryer as shown in the picture above Normally the inlet air duct from the heater will be routed to the lowermost drying sections The blower unit or units shall be installed so that even small batches can be dried The air ducts shall be installed so that neither loose grain nor debris can slide directly into the heater from the air channel end of the drying section Before installing the ducts make sure that no foreign objects have ended up inside the heater WARNING Foreign particles inside the heat
8. 0 mbar 100 mbar 172 MB ZRDLE 415 B01 S20 350 600 350 650 350 870 350 1200 2 MB ZRDLE 415 B01 S20 tai 350 680 350 780 350 1160 350 1500 5 ZRDLE 420 5 GS 2011 6210 350 1000 350 1200 350 1500 350 1500 The maximum capacities according to the table are achieved when the counter pressure of the boiler is 0 and the air pressure is1013 mbar or equivalent type Antti Teollisuus Oy 408102 06 2010 Dryer Heater Vacboost WMO9 PURSUED CONFIGURATION The normal operating environment of the unit is an element silo dryer made from steel with a vacuum heater for generation of heat A grain dryer of section type is located inside the building and the inlet and outlet air ducts are located on the opposite sides of the dryer building The heater can be placed in such a manner that the air will be conducted through the air duct into the dryer s air channel Alternatively the air duct can be extended down to the ground which makes it possible to connect the heater directly to the dryer Installing the heater The debris pipe from the pre cleaner must be equipped with a cyclone or equivalent for separation of debris The separator must be located on the same side with the outlet air duct or entering of dust or debris into the suction opening of the heater must be prevented by some other means The inlet air is heated by means of a positive
9. 6 2010 Dryer Heater Vacboost WMO9 SERVICING Annual service To ensure reliable operation clean the ignition points and check the adjustment Checkthe position condition and cleanliness of the flame detector Clean the filters Checkthe gas piping appliances for tightness Remove any dust or damp and keep the burner clean Itis advisable to service the burner once a year and check its burning characteristics using a flue gas analyser Check using a flash light before every drying season that there are no nests of mice rats or birds inside the heater between the surfaces of the heat exchanger which might constitute a fire hazard Ensure that the inlet air piping of the dryer is clean Some runoff of grain may have occurred from the dryer during the filling phase Always test the operation of the limit switch on the heater room door before the start of the drying season Maintenance during the operation Ifall the annual services have been carried out carefully the dryer heater will only require a visual check daily during the operating season Even if the operation of the heater is controlled via the electric centre of the dryer itis advisable to go look and listen a few times a day that the operation of the heater is normal GUARANTEE The guarantee period for the Antti heaters runs for one 1 operating season A five year guarantee is granted to the fire surfaces of the heater The guarantee covers de
10. Ag di ANTTI TEOLLISUUS OY Koskentie 89 Fl 25340 Kanunki Salo Tel 358 2 774 4700 Fax 358 2 774 4777 E mail antti anitti teollisuus fi www agrosec com 06 2010 CONTENTS Dryer heater YPE conien EE 3 PRESENTATION OF THE MAGHINE min 2 1 EIE mE ep eee lined mts 4 Suitable gases xiu ce ier petite ede bte dare ade el e eV ee hl p e e t det 5 PURSUED CONFIGURATIGON eel eee dete e eee eet Wa e Ea edie a tke dee la e damen c V d enel p dan 6 INSTALLATION E 8 Safety instructions and regulations ciii eterne cedes ducere ehe eaae kac eos aed deden venne 8 Selecting the installation location eccle en denwerdendennnederddennned den de treat de tend ven dn teure d nda de dne ende 8 Components to be installed in front of the gas burner eene emere 8 Gas reservolr Connection oie cete ek e Ep v it e Hie d Pe o pene de te re v Hig t Pee Lee od Pre v b dad pev Dp ped ut 8 Lifting the dryer heater In plaee eee re esee ent nta ipee bebe et ena Ee a e aude dende 9 Installing theair d cts 1 colto coni titi ct git eed dei aeei de Dengue eed e e dade e eget de dd gd dts 9 Electric installation 4 rt nre eene a re re edes d tat excite VOR eee nea 10 OPERATING INSTRUCTIONS FOR THE DRYER HEATER sssssseeenee eene ennemi enne nnns 13 Adjusting the output tur Ui eL ceteri diede dn ced Ue e tdv edi neue ended e edes dte eren does 13 SERVICING ertegen E
11. e of them to the other side of the duct may help Hot and cool air have probably not yet mixed completely at this stage Another option is to measure the true temperature of the drying air and raise the setting of the thermostats from their rated values by the difference between the true and the wrong measurement results applies to the LTM thermostat If there are more than just one blower the thermostats and the sensors on the outlet side shall be installed in the lower air duct as required the upper blower can be disabled If the heater is located in a heater room the door to the room must be equipped with a limit switch The purpose of the limit switch is to ensure sufficient airflow through the heater The electric conductors must be at a distance of at least 50 mm from the surface of the heating pipe so as to avoid risk of overheating Carry out the electric installations of the heater in accordance with the wiring diagrams for the electric centre Thermostats and their initial settings Temperature regulator LTM thermostat If you are using the Logic Control Centre there is no need for a sepa rate LTM thermostat If the maximum drying temperature of 120 C is applied the limit value for the thermostat must be raised to 150 C so that the burner will switch off if this temperature for any reason would be attained in case of malfunction The standard setting is 110 C and it is intended for standard positive pressure heaters Th
12. e thermostat in question also prevents the blowers from stopping until the drying air temperature has dropped to 45 C i e to the fan value of the thermostat There are two discs inside the thermostat for adjusting the fan and limit settings The sticker under the screwed lock shows that the terminal block of system 1 are for setting of limit etc Drill a D19 mm hole in the air inlet pipe for the capillary pipe of the thermostat and insert this pipe inside the air duct and fix it by its holder on the pipe using for example self tapping screws Sensor for drying air temperature sensor for the 2nd flame Drill a 10 5 mm hole in the inlet air pipe Thread in the thermostat sensor into the D8x1 nylon pipe L 150 mm so that about half of the sensor s tip remains visible Place a lead through rubber ring on the nylon pipe and fix the assembly to the pipe by means of the lead through rubber ring The sensor must be inserted about 100 mm into the air pipe See picture on the next page The purpose of the pressure difference sensor is to monitor that the air flows through the heater and does not take any other route of lower resistance Therefore it must not be installed anywhere else than in the inlet air pipe after the heater Antti Teollisuus Oy 10 408102 06 2010 Dryer Heater Vacboost WMO9 Installing the pressure difference sensor Fix the pressure difference gauge and the control unit clock on the wall Ensure that t
13. er The heat radiation from the chamber transmits wrong measurement results to the thermostats Antti Teollisuus Oy 12 408102 06 2010 Dryer Heater Vacboost WMO9 To be observed before starting the operation The oil burner fitter and the electrician have completed the test run The operation of the safety devices needs to be tested in practice to ensure their proper operation Gas is being supplied to the burner There are no objects in the heater room that do not belong there That exclusively clean air is sucked through the heater The shut off valves in the oil pipes are in the open position Check once more that the main switches and possible safety switches are in the operating position Thatthere is a fire extinguisher outside the heater room during the drying process Make sure that the slab in front and at both sides of the suction nets of the heater is clean and for example the wind cannot blow debris or withered plants near to the suction cone opening of the heater OPERATING INSTRUCTIONS FOR THE DRYER HEATER Adjusting the output In dryers equipped with axial blowers the drying air flow is restricted as necessary by means of the adjuster in the outlet air channel which provides the blower with replacement air In dryers equipped with radial blowers the drying air flow is restricted as necessary by means of the adjust ment flap in the outlet air pipes The flap shall be located between the dryer and
14. er are a fire hazard The maximum effect allowed for the heater is 1 500 kW which must not be exceeded The given maximum gas volumes are indicative only The required volume is affected by the energy content of the gas Turn to your gas supplier for more detailed information Liquid gas 58 4 m h Naturalgas 150 0 m h If you know the energy content of the gas you will be able to calculate exactly the maximum allowed gas volume NOTE The maximum allowed output of the heater must not be exceeded Antti Teollisuus Oy 9 408102 06 2010 Dryer Heater Vacboost WMO9 Electric installation Assign an authorised electrician to all electrical installation work including installation of thermostats and connec tions to the control centre of the dryer The electrician shall issue a certificate of the installation work in writing Installation instructions of the thermostats and sensors for the electrician see also Fig Location of the thermo stats in the dryer On the inlet side the thermostats and the sensor shall be installed in the air duct inside the building if there is a building in a straight part of the duct not near the curves where the airflow is smooth Furthermore there must not be a direct line of vision from the sensors to the rear part of the combustion chamber so that the red glow from the combustion chamber could interfere with the values measured by the thermostats If the sensors transmit wrong information moving on
15. fects in material and workmanship Separate guarantee terms issued by the manufacturer apply to the oil burner A prerequisite for validity of the guarantee is that the instructions issued by the manufacturer and the valid regula tions have been followed during installation use and service of the dryer heater All matters related to the guarantee shall be agreed upon with the manufacturer before any action is taken Antti Teollisuus Oy 14 408102 06 2010 Dryer Heater POSSIBLE MALFUNCTIONS IN THE GAS BURNER In case of malfunction check first the following o BON Is the supply of control and mains voltage to the burner OK Is the possible leak tester in working order is the yellow signal light illuminated Are the settings of the adjustment and operating controls OK Are the safety devices in normal working mode Is the fuel supply to the burner OK Are the valves in the gas pipeline open Is the pressure in the gas pipeline sufficient Vacboost WMO9 If the cause of the malfunction is none of the above mentioned check the functions related to the burner If the control unit is locked resulting from a malfunction the signal light is illuminated reset the locking The burner starts as soon as the step switch of the control unit has been turned into its initial position and all the other prerequisites for a successful start are met Burner automation description of operation Follow the operation of the burner The symbol of the
16. he cover plug has been removed from the pipe sleeve closest to the wall Connect the PVC hose to the outlet sleeve for the pipe farther away from the wall see picture You can cut the hose to a suitable length fix it to the lead through sleeve and fix the sleeve to the air pipe using self tapping screws see the picture below Do not forget to place a neoprene washer between the pipe and the lead through sleeve Insulated Abico connectors for electric connection to the poles 2 and 3 are included in the delivery Adjust the pressure by turning the disc in the middle of the clock Adjust the pressure to a value where the change over switch will operate at the smallest possible airflow If the change over switch does not operate the oil burner will not start The purpose of the outlet air thermostat is to interrupt the drying process as soon as the outlet air temperature reaches the desired value The sensor shall be installed in the lower outlet air pipe Normally 35 50 C depend ing on the variety being dried and the drying temperature applied If you apply drying temperatures higher than normally the cut off temperature will also be higher than normally Install the sensor inside the pipe in the same manner as the drying air sensor mentioned above in this manual Antti Teollisuus Oy 11 408102 06 2010 Dryer Heater Vacboost WMO9 The fire thermostat shuts down all the operations of the dryer immediately after the pre set temperature has
17. lace Replace 408102 06 2010 yY Dryer Heater Vacboost WMO9 EU Declaration of Conformity ANTTI TEOLLISUUS OY Koskentie 89 FI 25340 KANUNKI Tel 358 0 2 7744700 Fax 358 0 2 7744777 declares that ANTTI VACBOOST M09 A1500 DRYER HEATER Gas fuelled heater direct driven conforms with the provisions of the following directives Machine Directive 2006 42 EC Low Voltage Directive 2006 95 EC Electro Magnetic Compatibility Directive EMC 2004 108 EC Kuusioki 11 05 2009 b a NEST Ann Kalle Isotalo Managing Director Antti Teollisuus Oy 18 408102 06 2010
18. n The outlet air pipe must be located on the opposite side of the burner and access of any debris or dust into the suction net must be prevented Components to be installed in front of the gas burner Depending on the requirements and conditions either all or only part of the following components will be needed pressure gauge before the pressure reducer gas meter The electric and gas installations shall be exclusively assigned to persons with sufficient skills and valid authorisation The permissions required for the building work and connecting the gas appliances need to be obtained for example from the gas supplier Contact the local building authorities for additional information A diagram for connecting the actuators of the burner is delivered with the gas burner The instructions for connect ing them to the control centre of the dryer are delivered with the centre NOTE DEBRIS IN THE SUCTION AIR OF THE HEATER CONSTITUTES A FIRE HAZARD THE HEATER MUST BE LOCATED IN A PLACE WHERE ENTERING OF DEBRIS IS PREVENTED THE BURNER OF THE HEATER MUST ABSOLUTELY BE PROTECTED AGAINST THE RAIN IF THE BURNER IS NOT PROTECTED ANTTI TEOLLISUUS OY WILL NOT ASSUME ANY LIABILITY FOR THE CONSEQUENCES Inlet air for the dryer heater must not be routed from inside the heater room but the room must be equipped with openable doors for this purpose These doors shall be locked in the open position during the operation This is ensured by a limit
19. pressure heater located in a separate masonry heater room This heater room can be built either right beside the dryer or near it but only if the following requirements are being met Where a wall of the heater room abuts on the dryer building this wall must meet the requirements according to class EI60 Structural details that face outward can be of class El130 and the roof can be of class EI160 fthe wall of the heater room that faces the dryer building is at a distance of at least one 1 metre from this building the wall can be of class EI30 Note Also clarify the prerequisites for the door opening and the sufficient length for the air duct fthe heater is protected against rain it can be installed at a distance of at least three 3 metres from the grain dryer and other buildings The length of the air duct between the glowing parts of the heater and the air channel end must be 6 metres Antti Teollisuus Oy 6 408102 06 2010 Dryer Heater Vacboost WMO9 Structural drawing of a solution with wooden roof truss fire rating REI60 Plasterboard min 12 5 mm the seams of the boards must be lapped Plasterboard min 12 5 mm the seams of the boards must be lapped Studding gt 22x45 Studding gt 22x45 Rockwool at least 200 mm aja ON To ensure sufficient air supply the front wall of the heater room must be provided with a door or doors In ad
20. symbol 1 The burner motor starts the control voltage supply from the control unit to the ignition transformer has not been Switched on No ignition occurs and after a short while a rapid shut off takes place symbol 1 4 No flame is formed Possible cause Soiled or worn ignition points damaged insulation Point clearance too high Damaged ignition cord Faulty ignition transformer Faulty control unit The supply plug of the ignition transform er has come loose or damaged Vacboost WMO9 Remedy Clean or replace Adjust according to the instructions Replace Replace Replace Connect or replace The burner motor starts ignition spark is formed after a short while a rapid shut off takes place symbol 2 5 A break after the flame has formed Gas valve does not open break in the control circuit faulty actuator damaged conductor Faulty gas flow setting Clear up the reason for the break see Circuit diagram Replace the damaged part Flame is formed A shut off occurs gas pressure switch min followed by a restart or when the burner steps up to the 2nd stage the operation stops gas pressure switch min and a restart follows Antti Teollisuus Oy Gas pressure too low pressure regulator not operational Clogged filter Setting of the gas pressure switch min faulty 16 Repair or replace the regulator Clean the filter Adj
21. the blower Adjust the drying air temperature to the desired value by changing the setting of the 2 stage digital thermostat In digital control centres the adjustment is carried out using the set up buttons for the digital thermostat In the Logicontrol centres the adjustment is carried out in the settings menu using the programming terminal for the logic NOTE In the Logicontrol centres the settings of the Eliwell digital displays must not be changed as they can only be used for reading the temperature prevailing inside the channel nthe 2 stage burner the flow of burning air is automatically adjusted so that it corresponds to the consumption of oil in accordance with the linear adjustment carried out during installation of the burner WARNING Before opening the burner make sure that it is tensionless High tension inside the burner Risk of fatal electric shock When passing from the drying stage to the cooling stage after the drying the thermostat of the drying automa tion stops the burner automatically as soon as the pre set outlet temperature i e the cut off point has been reached if the heater is connected to an automatic centre The heater fan cannot be switched off even via its own operating switch before the heater has cooled down below the fan temperature of the LTM thermostat nor shall the heater blower be switched off from the main switch until the heater has cooled down Antti Teollisuus Oy 13 408102 0
22. ust 408102 06 2010 Dryer Heater Symptoms Possible cause 6 Malfunction caused by the flame detection rapid shut off Vacboost WMO9 Remedy The burner motor starts flame is formed then a rapid shut off takes place symbol 1 Rapid shut off during pre ventilation m Rapid shut off during stopping phase lt 4 Faulty position of the flame detector Soiled flame detector Too vague flame light Faulty flame detector Faulty control unit Faulty flame detector Faulty control unit Faulty or outdated flame detector Faulty control unit 7 Rapid shut off during stopping phase Correct the position Clean Check the settings of the burner Replace Replace Replace Replace Replace Replace The flame does not go out 8 Burner head Gas valves are leaking Replace Flame baffle has burned 9 Malfunction of leak tester Distance between the nozzle and the flame baffle wrong Faulty combustion air setting Insufficient air supply into the heater room Output on 1st stage too low Too low flow rate of combustion air faulty adjustment ring position Replace flame baffle as required Readjust Adjust Increase the air supply Adjust Increase the gas flow Burner does not start Red signal light is illuminated Antti Teollisuus Oy See point Leak tester in the burner manual Leak tester is faulty Gas valve is leaking 17 Rep
Download Pdf Manuals
Related Search