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Servicing Manual

Version with heated filter and nozzle pre-heater

Fuel solenoid valve

High voltage transformer

Motor

Warning lamp

Overheat thermostat

Fuse

Flame sensor

Reset pushbutton

Switch

Remote (room) thermostat

Heated filter (optional)

Содержание MIRAGE 37 H

Страница 1: ...in any form or processed by means of electronic systems copied or distributed without written permission by SIAL S p A The translation into other languages is also allowed only under written permissi...

Страница 2: ...tance The SIAL MIRAGE TORNADO heaters are especially intended for the professional heating of civil industrial and agricultural premises Read and follow carefully the instructions contained in this ma...

Страница 3: ...ing replacing the fuel nozzle 3 9 Checking cleaning replacing the burner head and the whirl disc 3 10 Cleaning the combustion chamber 3 11 Replacing the motor pump joint 3 12 Checking adjusting replac...

Страница 4: ...Servicing Manual 4 1 OPERATIONAL DIAGRAMS AND SEQUENCES 1 1 INDIRECT FIRED HEATERS WITH FLUE Combustion chamber closed Fuel tank Flue Burner head Motor Fan Fuel pump...

Страница 5: ...Servicing Manual 5 1 2 DIRECT FIRED HEATERS WITHOUT FLUE Combustion chamber open Fuel tank Burner head Motor Fuel pump Fan...

Страница 6: ...control unit checks for presence of flame or spurious light inside the combustion chamber should this occur the ignition sequence is interrupted and the heater locks out that is all the electrical com...

Страница 7: ...quence During this time the heater is subjected to a cooling cycle to avoid excessive overheating of materials and components that could occur if the motor fan suddenly stopped This sequence is also v...

Страница 8: ...rheat thermostat activation In the event of combustion chamber overheating the overhat thermostat interrupts the electrical supply to the flame control unit and to all components The heater is immedia...

Страница 9: ...the combustion the remaining part flows along the surfaces of the combustion chamber and of the heat exchanger and it is consequently heated The fan is connected to the motor shaft by means of a threa...

Страница 10: ...valve is open and the pressurized fuel flows to the nozzle where it is atomized mixed with primary combustion air and ignited by the electrode spark The flow of primary air to the burner is adjusted b...

Страница 11: ...mized and mixed with primary air Additional circumferential openings on the burner head allow another amount of air called secondary air to flow into the chamber That is an additional air delivery tha...

Страница 12: ...or flame and to ensure safe operation of the heater during all its operational sequences The electrical board consists of the following parts Control panel Protecting cover against water dust Power ca...

Страница 13: ...al ratings Check connections Set a temperature value higher than room temperature Check that the remote thermostat is properly connected and adjusted Check the metal bridge inside the cover Reinsert a...

Страница 14: ...cloth and ethylic alcohol Replace the flame sensor if damaged or burnt Check that the oil tank is full Check for air bubbles in the oil filter Check that the nozzle is clean See chapter Cleaning the c...

Страница 15: ...eck that there are no air bubbles in the fuel line Fuel is of incorrect type dirty polluted or contains water Empty the tank and refill with clean fuel of correct type Measure and adjust the pressure...

Страница 16: ...lure Blockage of airways due to dirt or foreign objects Exhaust pipe partially obstructed Combustion chamber clogged by soot see chapter 3 10 Wrong location of overheat thermostat after incorrect serv...

Страница 17: ...electrical system fuse s and the main distribution board Check the electrical socket Note Only carry out maintenance repairs on the heater and not on the electrical system for which servicing by auth...

Страница 18: ...for proper operation Reassemble the electrical panel 3 3 CHECKING AND REPLACING THE MOTOR Extract the electrical board see picture Check voltage at the motor terminals using a multimeter Ill 10 Check...

Страница 19: ...he inspection cover Extract the capacitor from its support Disconnect leads on the capacitor Ill 14 Replace the capacitor with one with same capacity F rating Connect check operation and reassemble 3...

Страница 20: ...n for exhaust gas analysis to the flue adapter Insert the pump end into the flue extension Ill 18 With the heater operating in normal conditions draw in the exhaust gases for 10 times IMPORTANT 10 TIM...

Страница 21: ...om without openings towards outside AIR LOCK ADJUSTMENT Remove the inspection cover Unscrew the fin screw on the combustion head Move the air lock in the axial direction to reach the position shown on...

Страница 22: ...ter cartridge using a soft brush and then blow compressed air To replace the complete filter Loosen the filter fittings and unscrew the filter bracket fixing nut Reassemble and connect fuel hoses 3 8...

Страница 23: ...e setting chart Reassemble the nozzle Reassemble the burner head and the inspection cover 3 9 CHECKING CLEANING REPLACING THE BURNER HEAD AND THE WHIRL DISC Remove the inspection cover Loosen do not u...

Страница 24: ...rner head see chapter 3 8 Disassemble the combustion head see chapter 3 9 Unscrew the fixing screws on the combustion head Ill 34 Extract the combustion chamber and if required clean using Diesel oil...

Страница 25: ...ose the inspection panel and start a short ignition cycle 10 s prepurge followed by 3 s first ignition Shut down the heater turning the ON OFF switch to 0 so that the aftercooling cycle starts and the...

Страница 26: ...Ill 40 Extract the valve casing Unscrew the fixing nut of the inner cylinder Ill 41 Extract the inner cylinder and clean it with Diesel oil Ill 42 Check that the inner cylinder can slide freely If re...

Страница 27: ...F switch to I ON Visually check that the ignition electrodes produce a regular spark Warning At ignition an 11 kW high voltage is produced between the electrode tips Carefully follow the electrical sa...

Страница 28: ...er and burner control unit following the wiring diagram shown on the label placed on the electrical board cover 3 17 REPLACING THE FUSE Open the electrical board Extract the fuse from the fuse holder...

Страница 29: ...sconnect the flame sensor leads from the burner control unit see wiring diagram Ill 51 Replace the faulty sensor Reconnect reassmble and check operation 3 19 CHECKING REPLACING THE OVERHEAT THERMOSTAT...

Страница 30: ...rn switch to I ON Set the room thermostat in a operating closed position Using a multimeter check that the burner control unit is powered Ill 53 Check voltage on the transformer motor and solenoid val...

Страница 31: ...Servicing Manual 31 Reset must be possible only after at least 30 seconds...

Страница 32: ...a 76mm in dia 27mm 10 blades DANFOSS R3 12 bar DANFOSS 0 65 60 H 3 mm lock position 1 170 C red markings MIRAGE 55 H USA 8 holes 6 mm dia dia 350mm 3 blades 18 out dia 76mm in dia 27mm 10 blades DANFO...

Страница 33: ...OVERHEAT THERMOSTAT TORNADO 67 USA 8 holes dia 6 mm dia 350mm 3 blades 18 out dia 76mm in dia 27mm 10 blades DANFOSS R3 12 bar DANFOSS 1 25 60 H 4 mm lock position 1 5 100 C black markings TORNADO 11...

Страница 34: ...Rotational Speed Smoke Index with original hood rpm 3400 1 00 Air Lock Adjustment Nozzle Type Fuse mm 3 0 Manufacturer DANFOSS A 15 slow blow Type 60 H Maximum Thermal Power Kerosene Flow Rate GPH 0...

Страница 35: ...ational Speed Smoke Index with original hood rpm 3400 1 00 Air Lock Adjustment Nozzle Type Fuse mm 4 0 Manufacturer DANFOSS A 15 slow blow Type 60 H Maximum Thermal Power Kerosene Flow Rate GPH 1 00 S...

Страница 36: ...tational Speed Smoke Index with original hood rpm 1700 1 00 Air Lock Adjustment Nozzle Type Fuse mm 14 0 Manufacturer DELAVAN A 20 slow blow Type 80 W Maximum Thermal Power Kerosene Flow Rate GPH 1 50...

Страница 37: ...A average 75 73 Rotational Speed Smoke Index rpm 3400 1 00 Air Lock Adjustment Nozzle Type Fuse mm 4 0 Manufacturer DELAVAN A 10 slow blow Type 60 S Maximum Thermal Power Kerosene Flow Rate GPH 1 25 S...

Страница 38: ...average 75 73 Rotational Speed Smoke Index rpm 1760 1 00 Air Lock Adjustment Nozzle Type Fuse mm 13 0 Manufacturer DANFOSS A 20 slow blow Type 80 W Maximum Thermal Power Kerosene Flow Rate GPH 2 25 Si...

Страница 39: ...NG DIAGRAM Basic version EV TR M SL TS FS FC PL IN TH FR Fuel solenoid valve High voltage transformer Motor Warning lamp Overheat thermostat Fuse Flame sensor Reset pushbutton Switch Remote room therm...

Страница 40: ...ted filter and nozzle pre heater EV TR M SL TS FS FC PL IN TH FR Fuel solenoid valve High voltage transformer Motor Warning lamp Overheat thermostat Fuse Flame sensor Reset pushbutton Switch Remote ro...

Страница 41: ...ing Manual 41 4 3 SPECIAL SERVICING TOOLS 1 Smokemeter 2 Strips for smokemeter 3 Shell Bacharach reference scale 4 Pressure gauge for oil pressure measurement 5 Electrical multimeter Ill 55 Ill 56 2 3...

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