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VMP-IOMM-2018-2

Fulton Ltd

Page 51

MAINTENANCE - 5

5.7

FITTING NEW GASKETS TO BOILER INSPECTION HOLES

5.7.1

IMPORTANT INFORMATION

The VMP boilers are fitted with TOPOG-E gaskets in all the inspection holes of the boiler. These

gaskets work very well and millions have been safely used over the last 30 years, however, it is

absolutely essential to observe a few simple rules in order to get the best performance from your

installation.

Elastomeric Vulcanizates, which form the basis of TOPOG-E gaskets, undergo degradation

from many sources including heat, oxygen, stress, and overdosing from certain types of water

treatment. This takes the form of material oxidation, hardening/embrittlement and cracking which

may result in gasket failure. Steps must be taken to minimise the effects of such attacks.

Water treatment and oxygen attack can be minimised by ensuring that the gasket is aligned

correctly so that only the extreme edges of the gasket are exposed. If a new gasket leaks after

fitting this is almost certainly due to incorrect seating or alignment. As such gaskets are very

flexible it is possible to cure the leak by excessive tightening, but such an action will seriously

reduce the life of the gasket and cause problems later.

Undue stress can be avoided by tightening just sufficiently to stop any leakage when fitting cold

and before firing the boiler. Start the boiler and gradually bring it up to working temperature,

allowing the increasing steam pressure to take over and complete the seal. This will allow the

gasket material to contract naturally and follow the topography of the mating surfaces. The

securing nut can then be tightened gently by approximately a quarter of a turn, to ensure a ‘snug’

fit and prevent the seal from being broken when the boiler is cold and under negative pressure.

Gentle warming of the boiler on initial firing after maintenance will also help to ensure that the

rubber ‘cures to shape’. If the rubber post-cures, the elastic memory will be destroyed and any

initial over tightening will cause the gasket to become hardened and embrittled, leading to cracks

and eventual failure.

CAUTION

TOPOG-E gasket have a finite life after installation and must be renewed annually.

It is important that the instructions given in this section are adhered to.

Содержание VMP Series

Страница 1: ...This manual must be available to the boiler operator at all times VMP IOMM 2018 2 INSTALLATION OPERATION AND MAINTENANCE MANUAL VMP vertical multi port Fuel Fired Steam Boiler...

Страница 2: ...fully modulating 28 3 3 Gas Monoblocs Non Modulating Burner 28 3 3 1 Multi Bloc Gas Valves 29 3 4 Cleaning Steam Lines and Pressure Vessels 32 SECTION 4 OPERATION 4 1 General 33 4 2 Controls 33 4 2 1...

Страница 3: ...oting Oil boiler 63 6 3 Troubleshooting feedwater pump 68 6 4 Troubleshooting Siemens LMV 70 APPENDIX A TI SHEETS VMP Dimensions Specification 84 Water Level Probes 86 Auto TDS Blowdown Systems 88 Rec...

Страница 4: ...n or maintenance of the equipment WARNING Steam boilers are a potential hazard possibly fatal if not properly maintained CAUTION It is vitally important that the instructions given in this manual are...

Страница 5: ...er cannot be over emphasised see the relevant section in this manual WARNING DANGER FROM INCOMPLETE COMBUSTION The importance of correct burner adjustment to achieve low emissions safe clean and effic...

Страница 6: ...t consult Fulton Ltd CAUTION WATER SOFTENER and CHEMICAL TREATMENT The chemicals required to operate the water softeners and chemical treatment plants CAN BE SUPPLIED by Fulton Ltd It is the responsib...

Страница 7: ...uirements of the applicable European Directives and subject to proper maintenance should not give occasion to any hazardous conditions If such a condition should occur during commissioning or during s...

Страница 8: ...VMP IOMM 2018 2 Fulton Ltd Page VIII...

Страница 9: ...and maintenance of your Fulton equipment and should be read in its entirety and be made permanently available to the staff responsible for the operation of the boiler It should not however be conside...

Страница 10: ...VMP IOMM 2018 2 Fulton Ltd Page 2 INTRODUCTION 1 Figure 1 General Arrangement 13 14 18 19 2 4 5 12 11 15 1 3 7 9 10 8 16 17 6 16...

Страница 11: ...itch 8 Main boiler blowdown front 9 Air pressure switch 10 Boiler name plate 11 Main steam stop valve 12 Water level gauges sight glass 13 Water level gauges blowdown valves 14 Boiler control panel 15...

Страница 12: ...in the design calculations K Design pressure The pressure used in the design calculations L Safety valve set pressure Pre set lift pressure of the fitted safety valve set to prevent boiler steam overl...

Страница 13: ...Local regulations for discharge into existing drains G Suitable access for delivery and off loading H Safe access to the plant when installation is complete 2 1 General The installation of a VMP fuel...

Страница 14: ...rdous conditions Particulate matter like lint combustible volatiles dust smog or chemicals example perchlorethlylene halogenated compounds in the combustion air supply to the equipment will cause dama...

Страница 15: ...ve TYPICAL BOILER INSTALLATION Design and Layout will change with Boiler Specification Vent Cold Water Supply Sight Glass Vent Condensate Return Tank Discharge To Drain Blowdown Separator Shut Off Val...

Страница 16: ...ere are six blowdown valves on the boiler two main boiler blowdown valves at the bottom of the boiler two water bottle blowdown valves and two water level gauge sight glass blowdown valves All of thes...

Страница 17: ...s The water bottle blowdown cock should be connected to the auxiliary blowdown line 1st Low water probe blue Pump off grey Pump on black 2nd Low water probe brown 2 4 2 1 Main Boiler Blowdown Valve Th...

Страница 18: ...e lift pressure is indicated on the safety valve do not adjust b The safety valve fitted to the boiler is designed to prevent the boiler exceeding its design pressure c Any system connected to the boi...

Страница 19: ...e nipple provided on the assembly Test Point Steam Pressure Gauge Steam Cock Syphon Plugged Figure 8 Steam Pressure Gauge Distribution pipework should be run from the main steam valve on the boiler to...

Страница 20: ...L P gas installations If the gas supply is in excess of 150 mbar for Natural gas a suitable regulator is required before the main gas valve Burners arranged for operation on L P gas are supplied with...

Страница 21: ...s control valve on the Fulton burner An intermediate or Service Governor is therefore required to reduce the pressure further to below 80 mbar The siting of the LPG storage tank can be crucial particu...

Страница 22: ...he oil storage tank will be dependent on site conditions and local regulations The burner fuel pump is of the bypass type requiring the installation of feed and return lines between the oil storage ta...

Страница 23: ...nnect power to the terminal strip as supplied on the inside of the panel box Note Single skid systems are generally shipped completely pre wired Note The power ratings and requirements are given in Ap...

Страница 24: ...to occur as required by monitoring the TDS in the boiler Valve supply Max rating 250V 3A resistive 250V 1A inductive Blowdown Alarm The blow down alarm is triggered if a high TDS value is measured or...

Страница 25: ...VMP IOMM 2018 2 Fulton Ltd Page 17 INSTALLATION 2 Figure 10 Electrical Customer Terminal Connections...

Страница 26: ...charge to the check valve inlet with 25 mm bore pipe this may be reduced to 15 mm where the discharge pipework is shorter than 4 m in total The pump suction pipework must remain at 25 mm minimum diame...

Страница 27: ...in the boiler Chlorides If chloride levels are high enough to cause severe corrosion they can be controlled by limiting the cycles of concentration and increasing boiler blowdowns Corrosion from chlor...

Страница 28: ...and or damage as a result of expansion contraction vibration or other movements must be factored 2 Valves are used in piping systems to stop and start the flow of fluids to regulate flow to prevent b...

Страница 29: ...for safety Adhere to the following 1 Return tanks surge tanks and deaerators should be insulated Insulation should be chosen with care such that the fluid in the tanks does not exceed the maximum oper...

Страница 30: ...VMP IOMM 2018 2 Fulton Ltd Page 22...

Страница 31: ...ection Check joints between all flue sections for quality of seals Where the flue passes through the structure of the building use your judgement as to the integrity of this section of the flue b Smok...

Страница 32: ...k that the burner is the correct type for use with the gas being supplied 4 Replace the burner and reconnect the gas connection ensuring these connections are tight Reconnect the ignition leads and re...

Страница 33: ...t gas line see Section 3 2 Setting the burner controls 13 After the burner has been firing for approximately five minutes adjust the gas and main air control gate located on the burner scroll to obtai...

Страница 34: ...t all terminal screws are tight 7 A barometric type draught stabiliser if fitted in the flue should be set for a draught of 0 025 mbar to 0 05 mbar of water bottle pressure with the burner off 8 Open...

Страница 35: ...ucing set 3 2 1 Low High Fire The correct setting for low fire high fire operation is made by making adjustments to the two stage solenoid valve and the low fire steam pressure switch 1 Isolate the ma...

Страница 36: ...ng Setting the pressure regulator 1 Remove the regulator cover 2 Using a screwdriver set the regulator to the desired pressure Clockwise to increase pressure Anticlockwise to decrease pressure Gas pre...

Страница 37: ...governor Gas actuator Figure 12 Gas Valve non modulating burner Figure 13 Gas Valve fully modulating burner 3 3 1 Multi Bloc Gas Valves Main gas valve assembly Main gas line isolating valve Pilot lin...

Страница 38: ...onnection upstream of Valve 1 Gas input filter cover Test point connection downstream of Valve 1 Adjustable pressure switch Operating indicator Output pressure controller adjusting screw Output pressu...

Страница 39: ...rnal leak test Test point 2 downstream Test point 1upstream Output pressure controller adjusting screw Operating pressure indicators Figure 15 Gas Valve non modulating burner Major Components Gas Actu...

Страница 40: ...condensate return pipe adjacent to the condensate return tank 2 Direct the returns to a floor drain or other safe discharge point and make safe 3 Leave in this position for one week to allow all impur...

Страница 41: ...steam boiler and to provide adequate information to ensure that when the boiler is put into use it will be done safely and without risk to health Where original equipment service manuals are supplied...

Страница 42: ...rner Programmer This is the main control in the panel box The programmer in conjunction with a sensing device supervises the ignition sequence proves the flame is satisfactory and finally monitors the...

Страница 43: ...iate Low Water Limiter 2 This light will energise when the boiler water is below low limiter 2 The light will illuminate a continuous alarm will sound and the burner will go to lockout Once the water...

Страница 44: ...isual indication that the magnetic oil valve for operating oil supply has been energised TDS Alarm This light will illuminate when a high level of TDS is detected in the boiler A boiler blowdown may b...

Страница 45: ...n Ltd Page 37 OPERATION 4 Remote Panel Disable inside boiler panel Pressing this button will disarm the remote alarm panel to avoid nuisance remote alarms whilst maintenance is undertaken Figure 17 Co...

Страница 46: ...essure Switch Sends a signal to the load controller to control the operating pressure in the boiler by modulating the burner output and turning the burner off when max operating pressure is achieved H...

Страница 47: ...re to rise until the high limit pressure switch trips On the steam pressure gauge check that the pressure is not less than 0 5 barg below the safety valve lift pressure If the pressure is incorrect re...

Страница 48: ...air damper until tunnelling stops The primary air adjustment or main air control is located at the fan housing face This control is used to supply the burner with excess air needed to facilitate good...

Страница 49: ...ed pump seals are water cooled The pump must never be allowed to run whilst dry irreparable damage may result Ensure the pump is fully primed before energising the motor 6 Vent the pump 7 Turn the doo...

Страница 50: ...d Units Plant Rooms have internal drainage systems which require the same procedures Boilers with automatic blowdown systems 1 The boiler should not be under pressure The boiler should be cold 2 Open...

Страница 51: ...set button for two seconds maximum The alarms will stop and the alarm lights will extinguish Reset high pressure switch The burner start sequence will commence 7 After a maximum of two minutes the bur...

Страница 52: ...ion heating to the gas oil and water side A very effective solution is to install a small heater If the boiler has been shut down short term see Section 4 8 1 Short Term Shut Down the large thermal ma...

Страница 53: ...are designed to allow easy maintenance access to the components at the top of the boiler i e the water level probes main steam valve vent and safety valves It is the responsibility of the user to ensu...

Страница 54: ...o exclude all light 4 The burner control should go to a lockout flame failure condition 2 3 sec gas 34 sec oil and will require manual resetting Note The fan will run on for a short time but the flame...

Страница 55: ...rts to run when the water level reaches the Pump On level 4 Close the main boiler blowdown valve 5 Continue to observe the water level in the water level gauge and verify that the pump continues to ru...

Страница 56: ...t allow the water level to drop below the bottom of the water level gauge sight glass 4 Check a Low Water limiter lights illuminate b Low Water audible alarm sounds c Burner stops firing d Feedwater p...

Страница 57: ...le and interconnecting pipework free from sludge and scale build up by blowing down in the following manner Note Where a boiler is operating continuously at steam pressure advice should be sought from...

Страница 58: ...he appropriate blowdown procedure WORKING POSITION STEAM BLOWDOWN WATER BLOWDOWN A A A B B B C C C Operating Positions Figure 26 Water Level Gauge Operating Positions 5 6 Boiler Internal Inspection Th...

Страница 59: ...alignment As such gaskets are very flexible it is possible to cure the leak by excessive tightening but such an action will seriously reduce the life of the gasket and cause problems later Undue stre...

Страница 60: ...Ensure the gasket is aligned correctly so that only the extreme edges are exposed to water treatment or oxygen attack If the gasket is misaligned over tightening to seal a leak will not prevent subseq...

Страница 61: ...ediately and consult Fulton Ltd 5 8 Schedule of Operator Tests and Checks The following schedule is the advice of Fulton Ltd The frequency of tests and checks may vary according to site risk assessmen...

Страница 62: ...ater Level Check see Section 5 4 2 Note Where high integrity level controls are fitted please refer to Appendix D Spirax High Integrity Level Controls 3 Blowdown the Boiler see Section 5 5 1 Note If t...

Страница 63: ...inspect feedwater pipe into the boiler Ensure the pipe is not blocked clean as required 2 Clean the ignition electrode 3 Clean out the flue passes 4 Apply a small quantity of oil to the bearings of th...

Страница 64: ...ng connections for conditions and tightness 5 Refill boiler with water checking for leaks 6 Test for gas safety 7 Check oil pressure or gas flow rate and combustion parameters Re commissioning 8 Refil...

Страница 65: ...er Concentration datum value reading 9 Brine level correct Y N Y N Y N Y N Y N Y N Y N WEEKLY TESTS 7 10 Flame Sensor Test Y N 11 Feedwater Pump Test Feedwater pump start stop Y N 12 Safety valve outl...

Страница 66: ...VMP IOMM 2018 2 Fulton Ltd Page 58...

Страница 67: ...faulty air switch 9 Gas Valve Check filters in the valve block Clean as required 10 Loose wire connections Check connections to all components 2 Flame Failure During Start up 1 Gas supply Check for ga...

Страница 68: ...Ignition Electrodes Check for cracks in porcelain if found replace the electrode Check electrodes for carbon build up Clean as required Check settings adjust if required 4 UV Detector Check the detect...

Страница 69: ...heck fan for obstructions clean as required 7 Burner Back Fires 1 Refractory Bricks Check the bricks are not plugged with soot or broken into pieces Clean and replace as required 2 Ignition Electrodes...

Страница 70: ...eplace as required 2 Contamination in boiler Empty boiler and feed tank Flush out and refill if system operates but progressively deteriorates there is probably a leak somewhere in the system 3 Scale...

Страница 71: ...k must be made before control locks out on safety If no power replace control 8 Oil nozzle clogging Check oil nozzle s clean or replace as necessary 9 Faulty Oil Pump Check to see if oil is being pump...

Страница 72: ...etector clean as required Check for proper location of detector 5 Faulty Air Switch Check for faulty air switch by jumpering the two air switch leads at the terminal block If the boiler starts and run...

Страница 73: ...Burner back fires 1 Refractory bricks Check the bricks are not plugged with soot or broken into pieces Clean and replace as required 2 Ignition electrodes Check electrodes for carbon build up clean i...

Страница 74: ...or the application Consult Fulton 8 Boiler is surging 1 Steam traps blowing through Check traps clean or replace as required 2 Scale build up or lime deposits Call water treatment company and consult...

Страница 75: ...opening and closing 15 Oil fumes coming out around the oil pump housing 1 Bad draft condition Check the draft with a gauge should read neutral May need to install a barometric damper 2 Venting of room...

Страница 76: ...tant 1 Pump inlet pressure is too low cavitation Check the suction conditions 2 Suction pipe pump partly blocked Clean the pump or suction pipe 3 Pump draws in air Check the suction conditions 5 Pump...

Страница 77: ...1 Scale on probes Check and clean probes replace as necessary 2 Faulty pump contactor Check the contactor has power Check the contactor is pulling in Replace if necessary 3 Faulty pump motor Check the...

Страница 78: ...xtraneous light during startup 1 Extraneous light during shutdown 2 Extraneous light during startup prevention of startup 6 Extraneous light during startup air pressure start prevention 18 Extraneous...

Страница 79: ...e is leaking Check to see if the pressure switch for the leakage test is closed when gas pressure is present Check wiring for short circuit 14 POC 0 POC open Check to see if the valve s closing contac...

Страница 80: ...n circuit X5 01 1 Gas shortage start prevention Check wiring to see if there is an open circuit X5 01 2 Heavy oil direct start Check wiring to see if there is an open circuit X9 04 Check that the oil...

Страница 81: ...Position calculation multistep 23 Output invalid No valid output 26 Curvepoints undefined Adjust the curvepoints for all actuators 75 Internal error fuel air ratio control Data clocking check 1 Curre...

Страница 82: ...the VSD is not linear Configuration of the voltage input at the VSD must accord with that of the basic unit parameter 645 3 VSD does not follow quickly enough the changes of the basic unit Check setti...

Страница 83: ...Motor turns but is not standardized make standardization 83 Speed error VSD Required speed has not been reached Bit 0 Valency 1 Lower control range limitation of control Speed has not been reached be...

Страница 84: ...seconds 20 for 20 seconds or 40 for 10 seconds Between the ignition point P0 and the low fire point P1 the speed change in modulating mode may be a maximum of 40 independent of the LMV2 ramp 2 Setting...

Страница 85: ...across pin 5 or 6 and pin 2 0 5 V Bit 3 Valency 8 Curve too steep in terms of ramp rate Check position differential between the curvepoints and the modulating operating ramp setting parameter 544 1 M...

Страница 86: ...95 Error relay supervision 3 Ignition transformer 4 Fuel valve 1 5 Fuel valve 2 6 Fuel valve 3 External power supply NO contact Check wiring 96 Error relay supervision 3 Ignition transformer 4 Fuel va...

Страница 87: ...12 Fuel valve 3 13 Fuel selection Fuel 1 Reset Stuck At failure Can be caused by capacitive loads or supply of DC voltage to the mains voltage inputs The diagnostic code indicates the input where the...

Страница 88: ...or occurs repeatedly replace the unit 132 Internal error EEPROM register initialization Make a reset if error occurs repeatedly replace the unit 133 Internal error EEPROM access Request synchronizatio...

Страница 89: ...est timeout No loss of flame after shutdown of fuel valves 1 Check to see if there is extraneous light 2 Check wiring to see if there is a short circuit 3 Check to see if valve is leaking 165 Internal...

Страница 90: ...error occurs repeatedly replace the unit 204 Phase number Program stop Program stop is active no error 205 Internal error Make a reset if error occurs repeatedly replace the unit 206 0 Inadmissible co...

Страница 91: ...TI sheets These TI sheets can be found in this Appendix Note The TI sheets in this appendix can be updated replaced without revising the manuals issue number To check you have the most up to date TI...

Страница 92: ...MODEL VMP 60 80 100 A Minimum Clearance 3175 3302 3353 B Overall Width 1575 1727 1880 C Overall Depth 2540 2896 3022 D Overall Height 2984 3150 3200 E Boiler Height 2464 2540 2540 F Boiler Diameter 1...

Страница 93: ...L h 64 3 87 106 LPG Propane m3 h 27 36 45 Ventilation Requirements for Consumption Purposes Free Area Low Level inlet cm2 4030 5250 6520 High Level Outlet cm2 2015 2625 3260 Electrical Requirements F...

Страница 94: ...igure 2 N B The Probe Rod Grub Screw and Lock Nut are suitably tightened during manufacture meaning the probe is ready to be installed without any adjustment The ONLY instance a spanner should be used...

Страница 95: ...rts the head and the tip The tip should be screwed onto the head aligning the slot in the top of the tip with the hole in the screwed shaft of the head Locate the pin provided into the slot hole and s...

Страница 96: ...own solenoid valve opens in a series of pulses until the measured value corresponds to or is lower than the set value When this is achieved blowdown finishes until the next timed sample is taken when...

Страница 97: ...TDS Control Blowdown System from Fulton the equipment would normally be supplied with the controller wired and fitted to the boiler control panel with all the other parts supplied loose for piping an...

Страница 98: ...ess than 5 ppm Oil None Minimum Temperature 85 C BOILER WATER water inside boiler pH Value 10 0 to 12 0 tested at room temperature Hardness Not detectable Suspended Solids Less than 100 ppm Chloride L...

Страница 99: ...PENDIX B 1 1 General APPENDIX B WIRING DIAGRAMS Wiring diagrams are available from Fulton Ltd on request Boiler Fuel Controls Arrangement 1 Arrangement 2 Arrangement 3 80 150 GAS Modulating OIL Modula...

Страница 100: ...VMP IOMM 2018 2 Fulton Ltd Page 92...

Страница 101: ...ate 7 Make and type eg fig no of safety valve fitted Note Spare and wearing parts which have not been tested together with the system can compromise its function Installing non authorised components a...

Страница 102: ...VMP IOMM 2018 2 Fulton Ltd Page 94 APPENDIX C...

Страница 103: ...dant but may be supervised during the silent hours and weekends by a competent person trained to respond to an alarm Daily testing of the controls is required which can be by simulation with a weekly...

Страница 104: ...until the Low Water alarm sounds the Low Water Reset buttons illuminate and the burner shuts down 3 Switch the Pump switch to the ON position 4 The pump will start and restore the water level to the n...

Страница 105: ...you In all cases at the termination of such 12 months all liability on our part will cease No liability whatsoever is to be incurred by us in respect of gauge or sight glasses packing glands or elect...

Страница 106: ...uk VMP IOMM 2018 2 Fulton Ltd 5 Fernhurst Road Fishponds Bristol BS5 7FG England Telephone 44 0 117 972 3322 Fax 44 0 117 972 3358 Email sales fulton co uk BS EN ISO 9001 2015 Company Registration 85...

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