BENSON BSHH 055 Installation, Commissioning, Servicing Download | Manualshive

Page: 22 / 29

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1210SHH_AMEN,page 22/29

Figure 21

Figure 22

Remove 2 screws of the burner slider

Disconnect wire of the ignition electrode at the
burner controller

Figure 23

Figure 24

Disconnect flame sensor wire at the burner controller

Remove burner box (together with flame sensor
and ignition electrode

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Summary of Contents for BSHH 055

Page 1: ...attached to the appliance or gas service meter after installation WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death All work must be...

Page 2: ...tomer order The installation manual is shipped with the heater Verify that the literature is correct for the heater being installed If the manual is incorrect for the heater contact the supplier befor...

Page 3: ...put is not adjusted within the range specified on the rating plate MOVING and UNCRATING This unit was test operated and inspected at the factory prior to packaging and was in proper operating conditio...

Page 4: ...e G30 kg h 4 17 6 23 7 65 NOX emission 100 G20 mg kWh 127 32 128 48 129 79 NOX emission 50 G20 mg kWh 78 48 97 81 112 22 Gas service connection BSP Flue Combustion air connection collars mm 100 130 13...

Page 5: ...500 684 988 100 47 G 458 940 D 1 2 5 7 B C 47 684 A min 150 min 730 min 2500 min 200 Type A B C D E F G J K 055 840 29 581 100 120 600 140 806 157 083 1468 236 899 130 134 1200 225 1434 301 102 1468 2...

Page 6: ...ind when determining installation location of the heater in relation to building exhaust systems Where chlorine vapours are prevalent heaters with special grade 316 AISI stainless steel heat exchanger...

Page 7: ...gnment and joint worthiness 5 Applying gasket seals to prevent air leakage 6 Sectional view of completed joint COMBUSTION AIR SUPPLY FLUE SYSTEM 6 1 General 6 1 1 Flue requirements IMPORTANT The flue...

Page 8: ...55 083 102 Use only one type of flue pipe dia recommended minimum flue length 1m IMPORTANT CONDENSE DRAIN A condense drain with trap must be fitted to the unit to properly drain all condensation The f...

Page 9: ...is optional Ensure that dimensioning of condensate drain can handle condense rates as indicated below Condense drain rates of flow BSHH 055 083 102 Nat gas l h 22 33 41 Propane l h 13 19 24 REMARK Fi...

Page 10: ...ter flue connection socket Follow the flue pipe manufacturer s installation instructions for making joints including connections to the air heater for passing through a building element and for suppor...

Page 11: ...ed areas should be insulated Where condensation is unavoidable provision must be made for the condensation to flow freely to a point to which it can be released i e a drain or gully The condensation d...

Page 12: ...stat It is essential that the main input line and neutral to terminals L and N remain live at all times even when the heater is switched off to ensure correct operation of the unit and to let the fan...

Page 13: ...ply External Controls Energymizor Mk3 Permanent Mains Supply Other Controls 230V J1 5 Controls cables 0 75 mm for up to 200 metre run Fuse rating must be sufficiently sized to handle heater motor load...

Page 14: ...control o When overheating occurs or when gas supply is not turned off shut the manual gas tap before turning off the electric power o In addition to the above requirements checks to ensure that the f...

Page 15: ...he air circulation fan will start after about 20 60 seconds In the event of the combustion air volume falling below a safe level the burner will be extinguished a re start cycle will commence after ad...

Page 16: ...is the time of 10 seconds between burner shutdown and the moment the combustion fan venter is de energized Start pre purge Energisation of venter motor If the differential pressure switch is in normal...

Page 17: ...rner gas pressure Remove the cover screw Turn the regulator screw anti clockwise to decrease pressure or clockwise to increase pressure see figure 13 Adjusting the burner pressure may only be carried...

Page 18: ...to turn adjustment screw for maximum pressure setting clockwise to increase and counter clockwise to decrease pressure until desired maximum pressure is obtained c Check maximum pressure setting seve...

Page 19: ...2 20 Injector dia 1x mm 4 50 4 50 5 60 burner pressure 100 mbar 15 70 34 36 23 50 burner pressure 50 mbar 3 92 8 59 5 87 Natural gas G20 Type Propane gas G31 MAINTENANCE SERVICE 12 1 Maintenance sched...

Page 20: ...s extraction fan with motor 7 Blower 8 Motor 9 Drain 10 Combustion air inlet 11 Flue gas outlet 12 Burner box assembly 13 Gas manifold injector test point Components 14 Electronic burner controller 15...

Page 21: ...removed as a unit for inspection or service see below for removal instructions Inspect the burner control compartment annually to determine if cleaning is necessary If there is an accumulation of dirt...

Page 22: ...emove 2 screws of the burner slider Disconnect wire of the ignition electrode at the burner controller Figure 23 Figure 24 Disconnect flame sensor wire at the burner controller Remove burner box toget...

Page 23: ...heating value and specific gravity of gas as well as the model and serial number of the unit When removing or replacing the burner orifice be careful not to damage the venturi tube and or the bracket...

Page 24: ...gas flow and is adjusted at the factory The gas valve requires no field maintenance except careful removal of external dirt accumulation and checking of wiring connections Instructions for testing pr...

Page 25: ...acility for air intake filters Standard racks are provided to accommodate 50mm nominal thickness filter elements Unless otherwise specified filters supplied will be expendable type synthetic pleated e...

Page 26: ...heck burner relay ground wire f Unit not properly grounded f Make certain unit is properly field grounded earthed and properly phased L1 to hot lead L2 to neutral g Faulty burner relay g If voltage is...

Page 27: ...sition flame sensor Is gas flowing Is the igniter position correct in the gas flow Check gas pressure and supply voltage If either are low correct and repeat startup Reposition spark igniter Is there...

Page 28: ...05 25159 All Flame sensor 05 25140 All Fan control time delay relay 03 25167 All Limit control LC3 03 24959 01 083 102 Limit control LC3 03 24959 02 055 Pressure switch 30 60618 420 055 102 Pressure s...

Page 29: ...ntrol does not require resetting An indicator light glows at the front panel of the appliance and on a remote control if fitted Reset by pushing light button on appliance or the remote control b check...

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