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This Manual has all the information concerning the USE and MAINTENANCE of any ALM light-oil 
burner produced by ALARKO.  

Please read this Manual carefully. This will then allow the burner to operate economically with high 
efficiency and be problem free. This manual should always be kept available as a source of 
reference.    

Our Authorized Dealers and Services will be happy to install the burner at its place of operation, and 
after making the necessary connections, they will provide you with necessary information 
concerning the use and maintenance of your equipment.   

4

 

INTRODUCTION 

DECLARATION OF CONFORMITY 

for the Alarko ALM 125/2 and ALM 174/2 light oil burners;

 

The materials used in these products have been selected so that their safe and proper performance 
are ensured. The materials and construction of these burners are resistant to all chemical, 
mechanical and thermal influences to which they may be exposed during their expected service life.

 

 

No asbestos or asbestos containing materials have been used in the construction of these burners.  

The installation and user instructions, data plate, packaging and other labels have been translated 
into the official language of the country of destination, and take into account the national installation 
regulations of the country concerned.

 

 

All electrical equipment complies with the requirements of the Low Voltage Directive (73/23/EEC).

 

 

These burners comply with the requirements of the EMC Directive (89/336/EEC) and Machinery 
Directive (89/37/EC)

 

 

Sharp borders and edges, which could give rise to injury, have been avoided.

 

 

The sealing compounds used in the construction of these burners are suitable for contact with oil 
and for the mechanical and thermal conditions to which they may be subjected. They will remain 
effective under normal conditions of appliance use. 

The mains supply voltage can be either 230V or 400V. All electrical accessories and their 
assemblies correspond to the relevant EN standards.

 

 

 

  

Provided that the principles, warnings and standards as set out in this Operation Manual are 
complied with, the burner is under the warranty of ALARKO CARRIER against any faults of 
materials and workmanship for a period of not less than 3 (three) years starting from the date of 
sale. 

The Certificate of Warranty must be filled out and forwarded to ALARKO CARRIER by the Dealer 
who sold you the burner. Please ensure that this Dealer has completed and sent off the Certificate 
of warranty to ALARKO CARRIER. 

 

 

GUARANTEE AND SERVICE

  

Summary of Contents for CARRIER ALM 125/2

Page 1: ...ALG SERIES GAS BURNERS ALG 50 2 ALG 70 2 INSTALLATION OPERATION MAINTENANCE ALM SERIES LIGHT OIL BURNERS INSTALLATION ASSEMBLY OPERATION MAINTENANCE...

Page 2: ...Rev No 0 Book Revision Date 140606 Book Edition Date...

Page 3: ...OF BURNER TO BOILER 8 PUSHING FORWARD AND PULLING BACK 10 ELECTRODE ADJUSTMENTS 11 COMBUSTION HEAD DIFFUSER ADJUSTMENT 12 COMBUSTION AIRFLOW ADJUSTMENT WITH AIR DAMPER LKS 160 15 AIRFLOW ADJUSTMENT 16...

Page 4: ...nslated into the official language of the country of destination and take into account the national installation regulations of the country concerned All electrical equipment complies with the require...

Page 5: ...pipes The best method of carrying the burner is to lift from the bottom of its casing using the combustion head as a point of support When selecting the burner you require please choose a nozzle suite...

Page 6: ...5 Hinge 6 Burner Motor 7 Fuel Pump 8 1st Nozzle Button 9 Photocell 10 Operation Failure Reset 11 Control Unit 12 Fuse 13 Cable Gland 14 Combustion Head 15 2nd Solenoid Valve 16 Air Damper Motor 17 Sig...

Page 7: ...ACITY kg h HEAT OUTPUT MOTOR WEIGHT kg POWER SUPPLY kW Kcal h Min Max Min Max Min Max Speed rpm Power kW ALM 125 2 53 4 125 632 8 1482 544 680 1 275 000 2850 2 2 66 3 380 400V 50Hz ALM 174 2 60 5 174...

Page 8: ...6 1007 895 Y1 X 375 525 398 746 976 152 300 R756 230 45 M N P S M1 Z T Y H J K L D E F G BURNER TYPE B C A Warning The space between boiler door insulation and combustion chamber must be filled with a...

Page 9: ...n remove the hinge rod 3 and detach boiler connection flange 4 from hinge 2 See figure 4 The boiler connection flange 4 is installed on the boiler 7 with its hinge on the right hand side when viewed f...

Page 10: ...ee figure 7 PUSHING FORWARD AND PULLING BACK The pulling operation is performed until the burner rest on the hinge protrusion smoothly See figure 8 By this way the burner can be adjusted to a maximum...

Page 11: ...ing with nozzle selection These burners have the following Advantages 1 The combustion head and diffuser are easily accessible during all service and maintenance operations 2 The nozzle and ignition e...

Page 12: ...ance between the nozzle tip and diffuser disc top surface and the distance between the combustion head edge and diffuser disc top surface respectively They should be adjusted according to the followin...

Page 13: ...y Remove the diffuser group 10 of burner See figure 13 from the boiler See figure 14 with the help of the hinges 2 Unscrew the two M6 bolts 11 and remove the combustion head from the boiler connection...

Page 14: ...ustion head together with the connecting piece again on the diffuser group and check the adjusted distance with calilipers See figure 16 Continue adjusting the combustion head 14 and checking the dist...

Page 15: ...er via air suction chamber A flap in the air suction chamber adjusts this airflow The air damper actuator in two stage burners operates this air flap The system consists of a 1st stage airflow adjustm...

Page 16: ...made at the start of combustion airflow trial Check the burner for correct operation at this time The curves below show the air flap adjustment points as a function of boiler capacity ALM 174 2 0 1 2...

Page 17: ...he following picture shows the suction and return sides of the oil pump where the oil hoses are connected Figure 20 PRINCIPLE OF OPERATION The gear set draws oil from the tank through the built in fil...

Page 18: ...pump in two pipe lift system with lift height 1 5 m altitude 700 m pipe diameter 8 mm Equivalent lift height 1 5 700 200 1000 2 m Maximum pipe length 13 m Pressure correction only for one pipe system...

Page 19: ...5 92 79 66 46 53 38 20 54 16 60 31 16 35 18 14 12 4 H m 2 3 1 4 6 d mm 0 0 5 8 7 6 5 4 5 4 8 12 34 14 19 8 48 20 20 11 29 13 15 8 63 26 56 23 10 8 38 33 10 14 5 3 8 8 20 3 30 17 43 5 27 11 9 23 8 10 7...

Page 20: ...allon per hour at 7 bar and the spray angles are stamped on the nozzles by the manufacturer together with the spray pattern indicated by a symbol See figure 22 SPRAY PATTERN semi solid cone SPRAY ANGL...

Page 21: ...zles supplied by Steinen Monarch and Hago are best The Steinen nozzles with a spray angle of 60o should be used RECOMMENDED NOZZLES ACCORDING TO BURNER CAPACITY Viscosity 3 4 0 04 cSt Density 0 84 0 0...

Page 22: ...L SEQUENCE OPERATION AND TIMING tw Waiting time 5 sec t1 Prepurge time 25 sec t1 Purge time 26 sec t3 Pre ignition time 25 sec t3n Post ignition time 5 sec t4 Interval from flame signal to release BV2...

Page 23: ...the burner can be re activated by pressing the lockout reset button for more than 3 seconds Pressing the reset button again for at least 3 seconds the interface diagnostics will be activated Error cod...

Page 24: ...t Control Unit LMO24 255B2 or LMO44 255B2 may be used M 3 96 95 C1 Air Damper Motor LKS 160 2 3 1 R 6 Nozzle 2 Burner SV SV IT 2 1 31 F 12 11 10 9 8 7 6 5 4 3 2 1 CONTROL UNIT Phase Neutral Motor Sole...

Page 25: ...es are easily accessible after the diffuser and electrode group are removed from the boiler with the help of the hinges The nozzle is removed as follows a Unscrew the bolt 1 and take the diffuser grou...

Page 26: ...26 The control unit contactor fuse and the LED button may easily be reached See figure 5 by removing three M5 bolts on the electric panel cover See figure 6 Figure 5 Figure 6...

Page 27: ...smoke pipes and combustion chamber during the monthly maintenance Check the condition of boiler combustion chamber once a month and clean at yearly maintenance Have your chimney cleaned and make the...

Page 28: ...Clean g Replace h Replace i Replace Fuel is available but no ignition a Dirty nozzle b Ignition spark or flame fails due to the high velocity of air flow c Ignition transformer is faulty d Loose conne...

Page 29: ...k Burner emits an undesirable odor soot or fuel a Fuel leaks from pipes or tank b Dirty or defective nozzle c Insufficient combustion air supply d Poor chimney draught e Accumulation of excessive soot...

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