BENSON MH300 Скачать руководство пользователя страница 19

Страница: 19 / 26

Burner
fails to
Run

No Power

Demand

Check Isolator

Check Fuses

Check

Controls

Burner Lockout

Fan / Limit

Thermostat

Room

Thermostat

Timer

Heat / Ventilate

Switch

On / Off Switch

Burner
starts
Ignition
sequence
but fails to
light and
Lockout
Occurs

Fuel Feed

Incorrect

Check that the

Oil Pressure is

correct

Check that Head
of Gravity is
Sufficient

Check that the

suction Lift is not

too great (two

pipe system)

Check that the

Bypass Plug is

Present

Fuel / Air

Problem

Check Burner

Air Setting

Bleed System

Air in System

Restricted Fuel

Feed

No Spark

Check

Electrode

Possible Fuel

Contamination

Check Valves,
Fuel Feed, Filter
Nozzle for
Blockages or
Restrictions

Check Control

Содержание MH300

Страница 1: ...BENSON MH300 OIL FIRED MARQUEE HEATER I N S T A L L A T I O N C O M M I S S I O N I N G S E R V I C I N G U S E R I N S T R U C T I O N S...

Страница 2: ......

Страница 3: ...work Fittings 8 2 7 Oil installation and Connection 8 2 8 Electrical Supply 8 2 9 Air Supply 9 2 10 Air Distribution 10 2 11 Flue System 11 3 0 Installation 11 3 1 Electrical installation Connection...

Страница 4: ...on Heating to ensure that they are familiar with the appropriate information manuals supplied by the manufacturer and that they are suitably aware of the purpose of the manuals and the safety instruct...

Страница 5: ...Warning Unauthorised modifications to the appliance or departure from the manufacturers guidance on intended use or installation contrary to the manufacturers recommendations may constitute a hazard N...

Страница 6: ...n to enable processing to take place 1 Heater model 2 Heater serial number 3 Order reference date of order together with full installation details name and address 4 Details or symptoms of fault Fault...

Страница 7: ...ll below the cold filter plugging point cfpp in this country and with class D fuel also referred to as gas oil The critical temperature is 4oC for this summer grade The cfpp critical temperature for t...

Страница 8: ...let and towards the sludge drain valve which must be sited at the lowest point in the tank If the tank is positioned on supports then there must be an adequate protective layer between tank and suppor...

Страница 9: ...space being heated And The building design air change rate is less than 0 5 air changes per hour and the volume of the space is greater than 4 7m3 per kilowatt then low level ventilation is required...

Страница 10: ...06m3 h per kW of rated heat input Mechanical ventilation systems where fitted must be provided with safety interlocks to prevent heater operation in case of air flow failure 2 9 3 Ventilation Openings...

Страница 11: ...stant to internal and external corrosion and be capable of withstanding the stresses and loadings associated with normal use 3 0 Installation 3 1 Electrical Installation Connection Benson MH 300 cabin...

Страница 12: ...rs undergo a rigorous test programme prior to being dispatched whilst such a programme does involve pre commissioning and setting up the heater to operate efficiently and well within its designed oper...

Страница 13: ...position for heater on off switch f Check for the following burner sequence Interval Operand 1 5s Combustion air damper actuated burner fan motor initiates purge cycle 2 15s Solenoid valve opens ignit...

Страница 14: ...settings should be only very finely adjusted to achieve a CO2 reading of 12 5 0 5 Note ii The gross efficiency must be approximately 80 Note iii All Heaters are test fired and pre commissioned as par...

Страница 15: ...ding environment and the need for regular servicing carried out by competent and qualified persons Caution After approximately 100 hours of running the tension of the fan belts must be checked to ensu...

Страница 16: ...Fan Motor Remove access panel Dust and other foreign matter should be cleaned by blowing over with compressed air and through the use of a soft bristle brush and cloth Solvent wipes may be used to re...

Страница 17: ...ne belt contains more slack than its accompanying belts then all the belts on the unit must be replaced again using a common batch code Replacement and tensioning is carried out as follows Note The ma...

Страница 18: ...ecked to ensure that they are secure and free from corrosion Terminals and connections should also be checked to ensure that no stray strands are bridging terminals Electrical continuity should also b...

Страница 19: ...out Occurs Fuel Feed Incorrect Check that the Oil Pressure is correct Check that Head of Gravity is Sufficient Check that the suction Lift is not too great two pipe system Check that the Bypass Plug i...

Страница 20: ...Line Check Fuel Pressure Check Nozzle Check Filter Check Fuel Lines Check Valves Burner gives a smokey flame Poor Combustion Insufficient Combustion Air Inadequate Flue Draught Check Oil Pressure Che...

Страница 21: ...ockout Warm Air Short Circuit Adjust Warm Air Discharge and Cool Air Inlet Accordingly Check for High Resistance Check Outlet Grilles are not shut or Check Filter is Clear Insufficient Air Flow over t...

Страница 22: ...Wiring Diagram 20 49 146...

Страница 23: ...tic pressure full load pa 750 Discharge velocity full load M s 19 5 Noise level full load Dba 1 m 90 Heat Input part load kW 225 Heat output part load kW 180 Nett efficiency part load 90 5 Gross effic...

Страница 24: ...nnection size Bsp 1 4 Fuel specification 35 sec Head setting 5 Air shutter Hi Lo 70 28 Electrical supply V Hz Ph 415 50 3 Fuse Size Amps 6 Maximum running current Amps 16 Flue diameter mm 225 Overheat...

Страница 25: ...magnetic Compatibility BS EN 50165 1995 Safety of Electrical Equipment BS 5854 1980 Code of Practice Flues Flue Structures BS 799 Part 5 1987 Oil Burning Equipment oil tanks OFTEC OFS T 100 Polyethyle...

Страница 26: ...Benson Heating Ludlow Road Knighton Powys LD7 1LP Telephone 44 0 1547 528534 Facsimile 44 0 1547 520399 Email information bensonheating co uk www bensonheating com...

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