Reznor LCSBD-4 Installation Commissioning Servicing & User Instructions Download Page 28 | Manualshive

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28

5.0 Fault finding

Gas Supply ON

Burner fails

to light

Turn on Gas

Supply

Electric Supply

ON

Turn on Electric

Supply

Air in Gas

Supply

Purge Gas Line

Thermostat

calling for heat

Limit thermostat

operated

Reset Limit

thermostat

Air pressure

switch made

Check flue fan

connections

Flue fan running

Replace flue fan

Check flue is

clear

Change air

pressure switch

Spark ignition

on

Check HT leads

& connections

No flame

Faulty control

box

Change gas

valve

Faulty Gas

valve

Yes

Check fuse.

Replace if required

Yes

No

No

No

Yes

Yes

Yes

No

Yes

Yes

Yes

Yes

No

Yes

Yes

No

No

Yes

Yes

Yes

Yes

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Summary of Contents for LCSBD-4

Page 1: ...tus and or environment in which the unit is installed LCSBD 4 Nortek Global HVAC UK Ltd Park Farm Road Folkestone Kent CT19 5DR Subject to modiﬁcation 1611LCSBD 4 GBEN Gas Fired Balanced Flue or Power Vented Unit Heater Bi Directional Axial Fans Installation Commissioning Servicing User Instructions These appliances meet the following EC Directives DIR 2009 142 EC GAD DIR 2004 108 EC EMC DIR 2006 ...

Page 2: ...2 2 Heater Mounting 8 2 3 Warm Air Circulation 9 2 4 Air Supply 9 2 5 Flue Installation 13 2 6 Electrical Installation 17 2 7 Gas Installation 18 3 0 Commissioning 19 3 1 Electrical Pre tests 19 3 2 Gas pre tests 19 3 3 Ignition Sequence 20 3 4 Hand Over 25 4 0 Servicing 26 4 1 Servicing Procedure 26 5 0 Fault Diagnosis 28 6 0 Wiring Diagrams 30 7 0 Technical Data 33 7 1 Technical Data Common Info...

Page 3: ...nal connections then we advise that installers consult with gas supplier or provider and satisfy themselves what additional precautions may be necessary Any reference made to Laws Standards Directives Codes of Practice or other recommendations governing the application and installation of heating appliances and which may be referred to in Brochures Specifications Quotations and Installation Operat...

Page 4: ...rmation pack this clearly defines mandatory instructions for the safe installation use and maintenance of the appliance s Where proprietary items are incorporated into Reznor products detailed information and instructions are also provided as part of the information pack It is the responsibility of the installer owner user or hirer of such products supplied by Nortek to ensure that they are famili...

Page 5: ...ble stove enamelled polyester powder paint Heat Exchanger Manufactured from aluminised stainless dimpled steel tube specified at time of ordering Flue Combustion Air Spigot Each heater is fitted with two spigots both of which are located to the rear of the appliance One of the pair is for connection for the flue whilst the other is a screened combustion air intake WARNING SEE FLUE INSTALLATION 2 5...

Page 6: ...lative to the electrical services wiring routes and if appropriate any additional controls e The position of the heater relative to the supply of fresh air f The position of the heater relative to potential stratification circulation problems which generally occur at higher levels and which may be overcome through the provision of a suitable de stratification unit g The position of the heater rela...

Page 7: ...nstallation details name and address 4 Details or symptoms of fault 5 Installers name and address Faulty parts must be returned to the Spares Department the address of which is provided on the cover of this manual Any such parts will undergo inspection to verify the claim Replacement parts supplied prior to this may be charged and a credit supplied upon subsequent validation of the warranty claim ...

Page 8: ...lls heaters should be positioned so as to discharge towards or along the length of the exposed wall In areas where it is proposed that more than one heater is to be installed a general scheme of circulation should be drawn up and maintained thereby offering the best heat distribution Air pressure within the area heated and the outside air pressure must remain the same factors influencing this woul...

Page 9: ...uired if The heaters are installed in room sealed mode ie with a positive connection to atmosphere of both flue and combustion air OR If the design air change rate of the heated space is 0 5 air changes per hour or greater The design air change rate may be satisfied by natural infiltration or by mechanical ventilation Combustion air ventilation will be required if The heater s are installed with f...

Page 10: ...sure is where the heater is installed within a compartment or confined area where space is limited Where heaters are installed within a plant room or enclosure then provision for both combustion air and or air for general ventilation will be required by means of high and low level ventilation openings sections 2 4 2 1 and 2 4 2 2 refer to plant room applications and sections 2 4 2 3 and 2 4 2 4 re...

Page 11: ...tions but in any event no higher than 250 mm 2 4 2 3 Natural Ventilation Openings to Enclosures for Room Sealed Heaters The table below provides specific data for each heater model as For enclosure applications the minimum free area of ventilation opening will also depend upon whether the heater s is installed in room sealed mode ie with a positive connection to atmosphere of both flue and combust...

Page 12: ...oor level for l p g gas installations but in any event no higher than 250 mm 2 4 2 5 Mechanical Ventilation to a Plant Room or Enclosure The table below provides specific data for each heater model as In the event that the installer prefers to mechanically ventilate the plant room or enclosure rather than provide ventilation openings then The plant room or enclosure needs to be mechanically ventil...

Page 13: ...ion Air Plate is supplied as standard this MUST be fitted in place of the combustion air spigot if the heater is to be installed in the flue only option The flue assembly must comply with all the relevant regulations regarding height and materials and must terminate with an approved flue terminal Care should be taken to ensure that the flue terminal is not situated in a high pressure area the prox...

Page 14: ...ll 1200 from a facing surface 1500 from another terminal vertically on the same wall 2000 from ground level The heaters must be connected to the flue system supplied by Nortek Global HVAC and be capable of withstanding the stresses and loadings associated with normal use When designing the flue system the prevention of the formation and entrapment of condensation must be a key consideration Horizo...

Page 15: ... 33 54 202 33 54 203 33 54 204 33 54 205 Option C12 Not Illustrated Contact Technical Dept In this configuration the heater is connected to a horizontal flue system discharging the products of combustion and bringing in the combustion air from outside the building in which the heater is located The outlet inlet must be through the wall and may be made with two separate pipes or with a horizontal c...

Page 16: ...he building L1 maximum flue length 10 metres Universal Terminal Extra pipes to extend the flue are available as an option Pipe Ø 130 x 1000 mm Pipe Ø 130 x 500 mm Pipe Ø 130 x 250 mm Bend Ø 130 x 450 Bend Ø 130 x 900 Part No 33 54 207 33 54 201 33 54 202 33 54 203 33 54 204 33 54 205 Heater Unit Flue Exit HORIZONTAL Flue Exit VERTICAL MIN MAX MIN MAX 95 m 1 00 8 00 1 00 10 00 120 m 1 00 8 00 1 00 ...

Page 17: ...to the air heater in an easily accessible position to allow for servicing isolation or emergency shut off Electrical panel Warning Ensure that the mains isolator is turned OFF before undertaking any electrical work on the heater Access to the electrical panel is gained by opening the right hand heater side panel Warning Ensure that all connections are secure and that there are no loose strands whi...

Page 18: ...valves and orifices of gas appliances as a direct result of a reaction between the hydrogen sulphide contained in some natural gasses and copper pipe we recommend that the heater s should not be connected to any natural gas pipe distribution system which utilizes copper pipework including final connections Instead steel pipework should be used throughout In the event that it is impractical to use ...

Page 19: ...that prior to commissioning the engineers familiarises themselves with the heater the specific requirements of the installation application and the information contained within the manual Warning All heaters are subject to a rigorous test programme prior to despatch whilst such a programme does involve pre commissioning and the setting of the heater to operate efficiently and within its designed o...

Page 20: ...led control system On start the signal will activate the flue venter for a pre purge period and in turn will make the air proving switch once made the air proving switch will complete the circuit to the control box and after a 30 second Delay the automatic control should attempt light the burner because the gas is turned off and flame cannot be established the control box will go to LOCKOUT k Rese...

Page 21: ...be as near to burner as possible Energize High Low regulator set gas control in operation and wait until an outlet pressure is recorded on pressure gauge Use a 8 mm wrench to turn adjustment screw for maximum pressure setting clockwise to increase or counter clockwise to decrease pressure until desired maximum burner pressure is obtained Check maximum pressure setting after several times Adjusting...

Page 22: ...e feedback connection if applicable Connect a suitable pressure gauge to pipe line or to outlet pressure tap of gas control concerned to measure burner pressure measuring point must be as near to burner as possible Disconnect electrical connection to Modureg Energize operator set control in operation and wait until an outlet pressure is recorded on pressure gauge If minimum pressure setting needs ...

Page 23: ...Remark Please ensure that the polarisation and of the control signal is done correctly otherwise the PCB will in case of a 0 5 V DC control signal not modulate and will even in case of a 0 10 V DC control signal refuse to operate Output signal The required output signal can be obtained by adjusting the selector switches on the printed circuit board For output control signal of one modulation coil ...

Page 24: ...l modulation coils GM44 is controlled by the potentiometer PI varying between 50 and 100 of the input control signal Example Maximum power 165 mADC at 22V DC is provided to the modulation coil with a 10V DC input control signal and P1 set at 100 Maximum power 165mA DC at 22V DC is provided to the modulation coil with a 5V DC input control signal and potentiometer PI set at 50 High fire start signa...

Page 25: ... Turn off the electrical supply w Close the side panel x Set thermostat to desired setting y Ensure that the user is familiar with the heater and its controls and that the user is satisfied with the commissioning and testing and that he is aware of the instructions within the manual It is strongly advised that the commissioning engineer runs through the lighting shutdown and general safe and effic...

Page 26: ...ers are present and secure Visually check all electrical wiring for signs of damage possibly through contact with hot surfaces check conduit for signs of chaffing and for security Check all terminals are secure and free from escaped stray conductor strands 4 1 Servicing procedure major component parts Heat exchanger Remove louvres and fan assembly and carry out visual inspection of the tubular hea...

Page 27: ...strictions Check that any joints are properly sealed preventing an escape of products of combustion Check condensate drain if fitted Check for signs of water ingress and any resultant damage Flue Venter Check that the flue fan is clean and free from any dust deposits Differential Air Pressure Switch Check that the tubes are connected and clear and free from dust Check that they are not kinked or d...

Page 28: ...rmostat operated Reset Limit thermostat Air pressure switch made Check flue fan connections Flue fan running Replace flue fan Check flue is clear Change air pressure switch Spark ignition on Check HT leads connections No flame Faulty control box Change gas valve Faulty Gas valve Yes Check fuse Replace if required Yes No No No Yes Yes Yes No Yes Yes Yes Yes No Yes Yes No No Yes Yes Yes Yes ...

Page 29: ...it Bad electrical connection Check wiring connection Faulty fan motor or capacitor Change fan motor or capacitor Fan runs in manual mode Reset fan control settings Fan control Settings incorrect Faulty fan control Change fan control Yes Yes Yes No No Yes Yes No Yes ...

Page 30: ...30 Wiring Diagram LCSBD 95 120 145 Auto ignition On Off ...

Page 31: ...31 Wiring Diagram LCSBD 95 120 145 Auto ignition Hi Low ...

Page 32: ...32 Wiring Diagram LCSBD 95 120 145 Auto ignition Modulation ...

Page 33: ...Limit Settings Fan On 50ºC Fan Off 30ºC Limit 100ºC Country Approved Gas Category AT BG CH CY CZ DK EE ES FI GB GR HR IE IT IS LT LV NO PT RO SE SI SK TR I2H BE CZ NL FR DE IE IT ES CH PT GB SE SK SL PT PL TR I3P PL LU DE RO I2E PL I2LS PL I2LW 7 0 Technical Data 7 1 Technical Data Common Information ...

Page 34: ... GAS CONSUMPTION m3 h 10 39 13 80 15 77 MIN INLET PRESS LPG Mbar 37 0 37 0 37 0 BURNER PRESSURE LPG Mbar 34 1 30 7 30 6 LPG PROPANE CONSUMPTION m3 h 4 02 5 33 6 17 MAIN INJECTOR PROPANE GAS Mm No Off 1 85 8 1 95 10 1 90 12 TEMPERATURE RISE ºC 34 32 32 AIR FLOW m3 h 4800 6500 8000 LCSBD THROW m 64 76 78 SOUND PRESSURE at 5m with A 160M2 and Q 2 dB A 62 63 68 FLUE DIAMETER mm 130 130 130 COMBUSTION ...

Page 35: ...5144P Modulating valve G20 natural gas 03 35145 03 25144M Modulating valve G31 propane gas 03 25136 M337 03 35136 M337 GM44 modulation inter face board 30 61511 330 01 BMBC control box 03 25324 DM32 control box 03 25322 Pressure switch 03 60617 185 Fan control thermostat 03 25167 Limit stat overheat stat 03 24959 03 Injector natural gas 07 25800 340 ...

Page 36: ...25801 185 07 25801 195 07 25801 190 Ignition electrode 05 25186 Ionisation probe 03 401US 195292 Burner on neon 60 61996 Reset Relay 230V 30 61742 240V Lockout reset switch 60 61988 Burner 03 400US 1020 Flue fan 20 25751 20 25749 Axial fan 01 27011 01 X 2 01 26063 X 2 01 27015 X 4 ...

Page 37: ...37 MODEL A B C D E 95 800 256 267 95 167 120 980 256 267 95 175 145 1150 259 272 95 177 9 0 Dimensions LCSBD ...

Page 38: ...38 Heater A B C D E F G H J K 95 145 225 85 330 900 1630 1860 210 200 130 130 Dimensions in mm AIR FLUE Dimensions Vertical Co Axial Terminal ...

Page 39: ...9 Heater A B C D E F G B C 95 145 180 420 340 225 200 130 130 750 Ensure Terminal is located on the wall in this configuration TOP BOTTOM Dimensions in mm AIR FLUE Dimensions Horizontal Co Axial Terminal ...

Page 40: ...9 141 Fax 01303 850 002 technicalsupport hvac nortek com Registered in England N 1390934 Registered office 10 Norwich Street London EC4A 18D Nortek Global HVAC is a registered trademark of Nortek Reznor is a registered trademark of Nortek Global HVAC LLC Because of continuous product innovation Nortek Global HVAC reserves the right to change product specification without due notice ...

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