FULTON Electropack Series User manual

This manual must be available to the boiler operator at all times. EP18-72-IOMM-2015-7
INSTALLATION, OPERATIONAND MAINTENANCE MANUAL
Electropack 18 kW - 72 kW
Electric Steam Boiler

EP18-72-IOMM-2015-7
Fulton Ltd
Page II

EP18-72-IOMM-2015-7
Fulton Ltd
Page III
TABLE OF CONTENTS
SECTION 1 - INTRODUCTION
1.1 General 1
1.2 Product Overview 1
1.3 Technical Data 1
SECTION 2 - INSTALLATION
2.1 General 3
2.2 Pre-Installation 3
2.2.1 Siting 3
2.3 Major Components 4
2.3.1 Steam Safety Valves 4
2.4 Boiler Connections 6
2.5 Water Supply 8
2.6 Electrical Requirements 8
2.7 Steam Pressure Control 10
2.8 Commissioning the Boiler 11
2.9 Cleaning Steam Lines and Pressure Vessels 14
SECTION 3 - OPERATION
3.1 General 15
3.2 Controls and Indicators 15
3.3 Filling The Feedwater Tank 17
3.4 Filling The Boiler 18
3.5 Draining the Boiler 19
3.6 Draining the Feedwater Tank 20
3.7 Boiler Start-Up 20
3.7.1 Boiler Start-Up Following short term Shut-Down 20
3.8 Boiler Shut-Down 21
3.8.1 Short Term Shut-Down (hours) 21
3.8.2 Long Term Shut-Down (weeks) 21 Electrical diagrams supplied separately
SECTION 4 - MAINTENANCE
4.1 Visual Checks 23
4.2 Water Level and Low Water Safety Controls 24
4.2.1 Feedwater Pump Test 24
4.2.2 Low Water Level Checks 25
4.2.3 Evaporation Check 25
4.3 Blowdown Procedures 26
4.3.1 Main Boiler Blowdown 26
4.3.2 Water Level Gauge (Sight Glass) Blowdown 27
4.4 Element Care and Protection 28
4.4.1 Element Removal 29
4.5 Boiler Internal Inspection 30
4.5.1 Feedwater Tank Internal Inspection 30
4.6 Cleaning Water Level Probes 31
4.7 Schedule of Operator Tests and Checks 32
4.7.1 Daily 33
4.7.2 Weekly in addition 33
4.7.3 Monthly in addition 33
4.7.4 Three Monthly in addition 34
4.8.1 Troubleshooting boiler 35
4.8.2 Troubleshooting feedwater pump 36
4.8.2 Troubleshooting feedwater pump 37
APPENDIX A - TI SHEETS
 EP18-72Dimensions&Specication 42
EP Probe Lengths 44
Recommended Water Conditions 46
Water Level Probes 47

EP18-72-IOMM-2015-7
Fulton Ltd
Page IV
WARNINGS
The Pressure System Safety Regulations 2000
Fulton boilers fall within the scope of the Pressure Systems Examination Scheme.
Regular inspections are therefore required by a competent person.
The scope of the examination and the actual intervals between examinations is at the discretion of the competent
person.
It is the responsibility of the user to provide a written scheme of examination for those parts of the system in which
a defect may give rise to danger.
Instructions in this manual are provided for the safe operation and maintenance of the boiler and do not cover
periodic statutory inspections.
For further information contact:
(a) SAFed
SAFETYASSESSMENT FEDERATION Limited.
Nutmeg House,
60 Gainsford Street,
Butlers Wharf,
London, SE1 2NY.
(b) HealthandSafetyExecutivelocalofce.
(c) Your Competent Person.
For your safety!
The following WARNINGS, CAUTIONS and NOTES appear in various sections of this manual.
• WARNINGS must be observed to prevent serious
injury or death to personnel.
• CAUTIONS must be observed to prevent damage
or destruction of equipment or loss of operating
effectiveness.
• Notes: must be observed for essential and
effective operating procedures, conditions and as
a statement to be highlighted.
It is the responsibility and duty of all personnel involved
in the operation and maintenance of this equipment
to fully understand the WARNINGS, CAUTIONS and
NOTES by which hazards are to be eliminated or
reduced.
Personnel must become familiar with all aspects of
safety and equipment prior to operation or
maintenance of the equipment.
CAUTION
In case of emergency
This boiler has been designed and constructed to meet all of the essential requirements 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 subsequent operation of this product,
regardless of the cause, then the electrical supply to the boiler should be isolated immediately, until the fault
hasbeeninvestigatedbyacompetentpersonandrectied.
!
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 strictly adhered to. Failure to carry
out the routine maintenance checks could result in a drastic reduction in the life expectancy of the
systemandincreasethepossibilityofre,explosion,propertydamage,personalinjuryorlossoflife.
!
!

EP18-72-IOMM-2015-7
Fulton Ltd
Page V
WARNINGS
SAFETY
The instructions provided for the operation and maintenance of the boiler MUST be observed. Failure to do so could result in
damage to the heater and serious personal injury.
WARNING
Do not try to do repairs or any other maintenance work
you do not understand. Obtain a service manual from
Fulton Ltd or call a Fulton service engineer.
It is the responsibility of the installer to ensure all parts
suppliedwiththeboilerarettedinacorrectandsafe
manner.
Understand the electrical circuit before connecting
or disconnecting an electrical component. A wrong
connection can cause injury and or damage.
A defective boiler can injure you or others. Do not
operate a boiler which is defective or has missing
parts. Make sure that all maintenance procedures are
completed before using the boiler.
LIFTING EQUIPMENT
Make sure that lifting equipment complies with all local
regulations and is suitable for the job. You can be injured
if you use faulty lifting equipment. Make sure the lifting
equipment is in good condition.
Operating the boiler beyond its design limits can damage
the boiler, it can also be dangerous. Do not operate the
boiler outside its limits. Do not try to upgrade the boiler
performancebyunapprovedmodications.
Non-approvedmodicationscancauseinjuryand
damage. Contact your Fulton dealer before modifying
the boiler.
Onlyqualiedpersonsshouldbeallowedto
operate and maintain the boiler and its equipment.
Boilers should always be drained through an approved
blowdown vessel.
Prior to the commencement of any work requiring the
removal of cover plates and the opening of control panel
box, the electrical supply to the boiler must be isolated.
Steam boilers have high temperature surfaces, that if
touched may cause serious burns. Only competent and
qualiedpersonnelshouldworkonorinthelocalityof
a steam boiler and ancillary equipment. Always ensure
theworkingareaandoorareclearofpotentialhazards,
work slowly and methodically.
DoNOTstoreinammablematerialsneartheboiler.
The importance of correct boiler water and feedwater
cannot be over emphasised, see the relevant section in
this manual.
!
CAUTION
Obey all laws and local regulations which affect you and
your boiler.
LOW FEEDWATER TEMPERATURE
Low feedwater temperature can result in thermal shock
to the boiler pressure vessel. Return the maximum
amount of condensate and if necessary preheat the
feedwater. If in doubt consult Fulton Ltd.
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 responsibility of the operator to ensure adequate
supplies of chemical are available at all times
(including commissioning). Costly repairs could be
required should the plant operate without chemicals or
the wrong dosage of chemicals.
HYDRAULIC TEST - RISK OF BRITTLE FRACTURE
Hydraulic testing requires specialist equipment and
is normally only required by engineering surveyors /
inspectors. In order to ensure the material/ pressure
vessel does not suffer from brittle fracture, hydraulic
testing should not be carried out below 7 °C.
!

EP18-72-IOMM-2015-7
Fulton Ltd
Page VI
Figure. 1 - Electropack Electric Steam Boiler
Pressure gauge
Boiler control
panel
Boiler isolator
switch
Front access
panel
Top access
panel

EP18-72-IOMM-2015-7
Fulton Ltd
Page 1
INTRODUCTION - 1
SECTION 1 - INTRODUCTION
1.1 GENERAL
1.3 TECHNICAL DATA
ForafullspecicationrefertoAppendixA-TI-115-EP-18-72Dimensions&Specication.
The Fulton Electropack electric steam boiler service manual is a generic publication, providing
information on standard boiler operation and maintenance.
Every care has been taken in the manufacture of the boiler to ensure that quality and reliability
standards are maintained. Satisfactory performance can only be ensured if the installation
recommendations, operating routines and maintenance schedules laid out in this manual are
adhered to.
Particular attention should be paid to electrical installation and water treatment.
1.2 PRODUCT OVERVIEW
TheElectropackelectricsteamboilerisacompactandhighlyefcientunitdesignedtomeetthe
requirements of the lower demand steam user.
The Electropack 18-72 contains a feedwater tank, pressure vessel, feedwater pump and system
controls to create a fully contained steam raising unit with easy access removable cabinet panels
There is the option to heat the feedwater tank with the purpose of reducing the level of
Non-Condensable Gases (NCG’s) in the steam as required by HTM2010 and to limit the
temperature and pressure drop within the boiler when feedwater is introduced.

EP18-72-IOMM-2015-7
Fulton Ltd
Page 2

EP18-72-IOMM-2015-7
Fulton Ltd
Page 3
INSTALLATION - 2
2.1 GENERAL
2.2.1 SITING
Theboilerhouseshouldbesufcientlysizedtoalloweasyandsafeaccesstoallpartsofthe
boiler for operational and maintenance purposes.
Reference should be made to AppendixA-TI-115-EP-18-72Dimensions&Specication
to ascertain the relevant dimensions and weights, special note should be taken of the required
vertical clearance required for maintenance.
Theooringmustbelevel,laidinanon-combustiblematerialandbeofsufcientstrengthto
support the boiler.
SECTION 2 - INSTALLATION
The installation of the Fulton Electropack electric steam boiler should be carried out by competent
personnel in accordance with all relevant safety regulations. It is the responsibility of the installer
to ensure that these regulations are complied with.
2.2 PRE-INSTALLATION
Prior to delivery of the boiler, consideration should be given to the following:
(Planning regulations may call for more consents than those listed below, always check with your
Local Planning Authority).
A. Local Planning consents where appropriate.
B. Consideration given to access for delivery and positioning of the boiler.
C. Preparation of a suitable base, which must be able to support the total weight of the system
under operating conditions.
The locations of services to the site required for the system, under operating conditions.
D. Electricity supply, check the loading required/available.
E. Drainage system, check the suitability of the drainage system.
F. 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.

EP18-72-IOMM-2015-7
Fulton Ltd
Page 4
INSTALLATION - 2
2.3 MAJOR COMPONENTS
Boiler/Pressure vessel. Mounted inside the cabinet in the lower half.
Feedwater and condensate return tank. Mounted inside the cabinet in the upper half.
Operator control panel. Mounted inside the cabinet behind the front access panel and
accessible with the access panel attached..
Electrical control panel. Mounted inside the cabinet in the upper half behind the front access
panel. Panel must be removed for access.
Operating pressure controls
Boiler feedwater pump (Grundfos). 1 x Grundfos feedwater pump is provided for the boiler
feedwater mounted to the base of the cabinet.
For more information on the feedwater pump, please refer to the Grundfos OEM literature.
Steam pressure gauge. Fitted to the cabinet frame and visible from the front with the access
panel attached.
Steam outlet valve.Steamoutletstopvalvettedcentrallytotherearofthecabinet.
Safety valve. Fitted to the rear of the cabinet.
Main boiler blowdown valve. Fitted centrally to the rear of the cabinet at the bottom.
Water level gauge set (sight glasses) (optional). Fitted to the side of the cabinet.
2.3.1 STEAM SAFETY VALVES
Safetyvalvesarefactoryttedandpre-set,theyMUSTNOTbeadjusted.Thedischargeoutlet
should be piped to a safe discharge point and the piping so arranged that any condensate
trapped in the pipework will drain away from the valve.
Note: It is recommended that the safety valve discharge pipework is installed to the requirements of BS806
clause 4.9.7. / BSEN 134801-1:2002
a) The lift pressure is indicated on the safety valve (donotadjust).
b) Thesafetyvalvettedtotheboilerisdesignedtopreventtheboilerexceedingitsdesign
pressure.
c) Any system connected to the boiler not capable of accepting boiler pressure must be protected
by a separate safety valve set to the required pressure.
WARNING
Factoryttedsafetyvalvesarepre-settoprotecttheboileronlyandmustnotbeusedtoprotectany
other items not capable of accepting boiler pressure.
!

EP18-72-IOMM-2015-7
Fulton Ltd
Page 5
INSTALLATION - 2
Note: For connection points at rear of the boiler, see Figure. 3.
Operator control panel
Electrical control panel
Pressure gauge
Operating pressure
controls
Boiler elements
Feedwater pump
Boiler/Pressure vessel
Feedwater tank
Data plate (at rear)
Figure. 2 - General Arrangement

EP18-72-IOMM-2015-7
Fulton Ltd
Page 6
INSTALLATION - 2
All connections for services are mounted at the rear of the boiler.
For connection sizes, refer to AppendixA-TI-115-EP-18-72Dimensions&Specication.
Feedwater Inlet (Solenoid Valve)
Itisadvisabletotastopvalveascloseaspossibletothisconnectionpoint.LocalWater
Authoritybylawsmayrequirethettingofabreak(interpose)tankbetweenthemainswater
supply and the cold water inlet connection on the boiler.
Safety Valve Discharge
The outlet from this valve should be piped to a safe discharge point and the piping should be
so arranged that condensate trapped in the discharge pipe is drained away from the valve.
Steam Outlet Valve
Boiler Blowdown Valve
Connection must be made from the Blowdown valve to a blowdown receptacle of approved
design. Regulations exist covering such items and care must be taken to ensure compliance with
these regulations. If in any doubt regarding blowdown arrangements consult Fulton Ltd.
Water Sample Outlet
Ifthewatersampleoutletisused,thevalveshouldbettedascloseaspossibletotheboiler.
Chemical Dosing Inlet point (inside the cabinet on all models)
CombinedOverowandVent(HeatedTanksOnly)
Condensate Return
Feedwater Tank Vent
This should be piped to a safe discharge point to avoid any possibility of condensation problems.
FeedwaterTankOverow
Theoverowshouldbepipedtoasuitabledrainagepoint.
Feedwater Tank Drain
CAUTION
Unlessotherwisespeciedthesteamsafetyvalvesuppliedwiththeboilerispre-setat162p.s.i.g.
(11.2 bar). This valve is provided as a safety device for the boiler and should not be used as the sole
protection for other equipment using steam from the boiler.
!
2.4 BOILER CONNECTIONS

EP18-72-IOMM-2015-7
Fulton Ltd
Page 7
INSTALLATION - 2
Strainer
Pump inlet isolating
valve
Chemical dosing point
Feedwater inlet
Condensate return
Steam outlet valve
Boiler blowdown valve
Feedwater tank vent
Feedwatertankoverow
Safety valve
Water sample outlet
Feedwater tank drain
Recommended
entry area for mains
electrical cable
Figure. 3 - Boiler Connection Points

EP18-72-IOMM-2015-7
Fulton Ltd
Page 8
INSTALLATION - 2
2.6 ELECTRICAL REQUIREMENTS
An individual wiring diagram for the boiler is located with the control panel. When referring to the
electricalspecicationoftheboiler,thewiringdiagramnumbershouldbequoted.
The power ratings and requirements are given in Appendix A - TI-115-EP-18-72 Dimensions &
Specication. The boiler contains all necessary electrical protection.
Anelectricalisolatorshouldbettedonawallascloseaspossibletotheboiler.
It is recommended that the electrical supply to the boiler is located through the rear of the unit
below the boiler blowdown valve as shown in Figure. 3 (ensure the cable is not rubbing against
areas capable of damaging it). The cable should be routed from this point and secured in a gland
nut(notsupplied)ttedinthebulkheadatthebaseoftheelectricalpanel.
Care should be taken to ensure the supply cable is the correct size and installed in accordance
with local regulations.
WARNING
The control circuit live light is derived from a single phase.
It is possible that with the control phase down or a defective bulb the other phase could be live.
Always isolate the supply before investigating any fault.
!
The quality of the water used in the boiler will affect the life and performance of the boiler and
elements.
Feedwater contains solids and dissolved gases, these may promote encrustations of scale;
foaming, priming, surging; corrosion and pitting; or caustic embrittlement. To prevent this
happening it is strongly recommended that a reputable water treatment concern is consulted prior
to commissioning the boiler.
Note: See Appendix A - TI-139-Recommended Water Conditions.
Note: Elements damaged due to adverse water conditions cannot be replaced under guarantee. Should chemical
dosage of the boiler feedwater be required a connection point and a water sampling point are provided at the rear
of the boiler.
2.5 WATER SUPPLY
CAUTION
WATER SOFTENER and CHEMICAL TREATMENT
The chemicals required to operate the water softeners and chemical treatment plants
CAN BE SUPPLIED by Fulton.
It is the responsibility of the operator to ensure adequate supplies of chemical are available
at all times (including commissioning).
Costly repairs could be required should the plant operate without chemicals or the wrong
dosage of chemicals.
!

EP18-72-IOMM-2015-7
Fulton Ltd
Page 9
INSTALLATION - 2
Supply cable access hole
(twithaglandnutsuitablefor
the electrical supply cable used)
Door electrical isolator
(supply cable connection point)
Figure. 4 - Electrical Supply Cable Location
Fuse holders / MCB’s
Electrical supply
access hole
Element contactors
Door electrical
isolator switch
Circuit breakers
LC relays
Miniature relays
Pump overload
Cooling fan
Transformer
Pump contactor
N.B. Control Panel frame is
unbolted on right hand side to
allow complete access to the
main electrical panel
Figure. 5 - Electrical Connections

EP18-72-IOMM-2015-7
Fulton Ltd
Page 10
INSTALLATION - 2
Adjust the steam pressure controls to suit the boiler application.
Itshouldbenotedthatboilersaredesignedtooperatemostefcientlyattheirmaximumoperating
pressure.
Where steam is required below a pressure of 60 psi (4 bar), consideration should be given to the
ttingofapressurereducingset.
Setting the pressure controllers
High Limit Controller
1. Set the controller range scale to 5 psi below the safety valve setting.
2. Set the differential scale to zero.
On/Off Controller
1. Set the Range Scale Ato the maximum pressure required.
2. Set the Differential Scale Bto give the required pressure differential between the boiler
heating elements being de-energised (switched off) and energised (switched on).
Valve Cisttedinthepressuresupplylinetoallowthetestingoftheboilerpressuresandthe
controllers.
2.7 STEAM PRESSURE CONTROL
High limit controller
On/Off controller
A B
C
Figure.6-Pressure Controllers

EP18-72-IOMM-2015-7
Fulton Ltd
Page 11
INSTALLATION - 2
2.8 COMMISSIONING THE BOILER
These procedures should be carried out by a competent person.
Although every care is taken to ensure that the boiler has been despatched from the factory
fully tested, it is possible that during transportation and installation, pipework and electrical
connections may be loosened or broken. On completion of the installation and prior to switching
on the boiler it is advisable to carry out the following checks:
1. Remove cabinet access panels.
2. Check all electrical connections for tightness.
3. Insulation test the elements (see Section 4.4 - Element Care and Protection).
4. Set the steam pressure controllers (High Limit and On/Off) to the pressures required (see
Section 2.7 - Steam Pressure Control).
5. Setthetankthermostatto85°C(whenheatedtanktted).
6. Ensure all element switches are in the OFF position, and connect to the mains electrical
supply.
7. Switch the supply main isolator and door isolator to the ON position.
Switch the 2A MCB’s to the ON position. The circuit live indicator will illuminate.
Override the door micro switches. The fan should run.
8. Fill the Feedwater Tank
Turn the water supply ON.
Switch the pump switch ON, the Tank Low Water indicator will illuminate.
Thetankwillll.WhenworkinglevelisreachedtheTankLowWaterlampwillde-energise.
9. Feedwater Pump checks
Bleed the Pump (see Figure. 7).
Remove the feedwater pump cover to expose the pump drive shaft coupling (see Figure. 7).
CONTINUED ON NEXT PAGE
WARNING
The boiler electrical circuit must be isolated prior to doing the following tests.
!
WARNING
Do not make contact or place anything in touch with the moving parts of the pump drive. The cover is
removed for a visual inspection of the pump rotation. Stop the pump to replace the cover.
!

EP18-72-IOMM-2015-7
Fulton Ltd
Page 12
INSTALLATION - 2
Switch the pump MCB ON.
Check the rotation of the feedwater pump. Correct rotation is anti-clockwise when viewed from
the top of the pump.
Switch the pump OFF and wait until the drive shaft stops rotating before replacing the cover.
Note: The pump impeller blades can be damaged by incorrect rotation. If the rotation is incorrect turn the selector
switch to the OFF position. Isolate the boiler and alter the phase connections between the pump contactor
overload and the pump. Re-check the pump rotation.
With the pump running (pump switch ON), turn the water supply OFF and OPEN the boiler
blowdown valve.
Check the Tank Low Water indicator, when the indicator illuminates the feedwater should stop.
10.RelltheFeedwaterTankandBoiler
CLOSE the blowdown valve.
Switch the boiler ON, the Boiler Low Water indicator will illuminate and the alarm will sound.
WiththemainswaterON,thetankwillllandtheTankLowWaterindicatorwillextinguish,the
feedwaterpumpwillrestartandlltheboilertonormalworkinglevel(NWL).
11.Fault indicators and switches checks (see Figure. 8)
When the Boiler Low Water Level indicator extinguishes, press the Low Water reset button.
Switch OFF the pump MCB, the Pump and Element Fault indicators illuminate,
Switch ON the Element Switches.
Check Element Fault indicators stay illuminated.
Switch ON the element MCB’s, the Element Fault indicators will de-energise and the element
switches illuminate.
12.Elements automatic on/off check
OPEN the blowdown valve and allow water to drain from the boiler, the Low Water Reset will
illuminate and an audible alarm sound, the elements will switch OFF.
CLOSEtheblowdownvalveandswitchthePumpMCBtoON,thepumpwillstarttollthe
boiler.
Withthepumpllingtheboiler,theLowWaterindicatorwillextinguish(whenNWLisreached).
Press the Low Water Reset switch in order to silence the alarm.
When NWL is restored the Element Switches will illuminate.
Checktheelementswitchdelayissetat5seconds(iftted).
Figure. 7 - Feedwater Pump
Feedwater pump bleed nipple
Removable cover to check
pump rotation
CONTINUED ON NEXT PAGE

EP18-72-IOMM-2015-7
Fulton Ltd
Page 13
INSTALLATION - 2
13.Pump on/off check
When the pump switches OFF, the boiler is at NWL, OPEN the blowdown valve until the pump
switches ON, CLOSE the blowdown valve the pump will start to replace the blowdown losses
and then stop, SHUT the steam valve.
14.On/off pressure controller check
Allow the boiler to gain working pressure, when normal working pressure is reached the boiler
will switch off. SLOWLY OPEN the main steam valve and allow the steam pressure to fall until
the lower limit on the on/off pressure controller is reached, the boiler should restart.
Re-adjust this control as necessary.
15.High limit controller check
Test the high limit controller by changing the high limit on the on/off controller to a value above
the value set on the high limit controller, allow the boiler to build-up steam pressure until the
high limit controller value is reached, the boiler should cut out.
Reset the On/Off controller to its original setting.
Allow the steam pressure to fall below the set point of the high limit pressure controller. The
elements should not energise until the High Pressure Reset is pressed.
16.Check boiler interior for signs of leakage
Turn the boiler and feedwater pump switches to the OFF position. Isolate the boiler at the door
isolator and check inside the cabinet for steam or water leakage.
17.Check boiler external pipework for signs of leakage
Replace the cabinet access panels, SLOWLY OPEN the steam valve to release the pressure
in the boiler. Check for steam leaks in all new pipework. Press the High Pressure Reset
button.
The boiler is now ready for placing into full operation.
1. 5. 6. 8. 10. 11.
2. 4. 3. 7. 9. 12.
13. 14.
Key
1. High pressure reset button
2. Low water reset button
3. Element fault indicator
4. Pump fault indicator
5. Boiler low water indicator
6. Circuit live Indicator
7. Boiler indicator
8. Boiler element switches
9. Boiler on/off switch
10.Pump on/off switch
11.Audible alarm
12.Feedwater tank low water indicator
Heated tanks only
13.Tank element On/Off
14.Tank element fault indicator
Figure. 8 - Control Panel Indicators and Switches

EP18-72-IOMM-2015-7
Fulton Ltd
Page 14
2.9 CLEANING STEAM LINES AND PRESSURE VESSELS
Duringtherstweekofboileroperation,cleanalloilanddirtfromtheboiler,thesteamlineand
condensate return line.
1. Disconnect the condensate return pipe adjacent to the condensate return tank.
2. Directthereturnstoaoordrainorothersafedischargepointandmakesafe.
3. Leaveinthispositionforoneweektoallowallimpuritiestoushthrough.
4. Drain the boiler completely each day.
5. Aftertheweekiscompleted,drainandushthecondensatereturntank,removingall
installation sediment. Reconnect the condensate return pipe to the condensate return tank.