Fulton E.F.S. User manual

Type
User manual
Fulton Ltd
INSTALLATION, OPERATION & MAINTENANCE
MANUAL
EFS OptiOnal hEatEd tank Manual 05 2014 iSSuE 1
EFS
Electric Flash Steam Boiler
(Optional 9 Kw Heated Tank)
This Manual must be available to the boiler operator at all times.
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
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
SAFETY ASSESSMENT 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, whatever
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 boiler.
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EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
LIST OF CONTENTS
INTRODUCTION 1
General 1.1
Technical Data 1.2
INSTALLATION 2
General 2.1
Siting 2.2
Water Supply (see also section 5.3) 2.3
Connections (no tank) 2.4.1
Connections (optional tank tted) 2.4.2
Electrical Requirements 2.5
Steam Pressure Control 2.6
Commissioning 2.7
Electrical 2.7.1
General 2.7.2
OPERATION 3
Control Panel 3.1
Controls and Fault Indicators 3.1.1
Feedwater Tank Controls 3.1.2
Starting the Boiler 3.2
MAINTENANCE 4
Visual Checks 4.1
Water Level and Safety Controls 4.2
Pump Test 4.2.1
1st Low Water Level Check 4.2.2
2nd Low Water Level Check 4.2.3
Blowdown Procedure 4.3
Element Care and Protection 4.4
Internal Inspection 4.5
Removal 4.5.1
Replacement 4.5.2
Schedule of Operator Tests and Checks 4.6
Daily 4.6.1
Weekly 4.6.2
Three Monthly 4.6.3
Troubleshooting 4.7
Boiler Controls Test Log 4.8
GENERAL DATA 5
Boiler Dimensions 5.1
Boiler Specication 5.2
Recommended Water Conditions 5.3
Gloassary of Terms 5.4
Electrical Diagrams (Supplied Separately)
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
WARNING
DANGER FROM HOT SURFACES
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.
WARNING
The importance of correct boiler water and feedwater cannot
be over emphasised, see the relevant section in this manual.
CAUTION
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.
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 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.
CAUTION
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.
WARNING
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.
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.
WARNING
It is the responsibility of the installer to ensure all parts
supplied with the boiler are tted in a correct and safe manner.
WARNING
Understand the electrical circuit before connecting or
disconnecting an electrical component. A wrong connection
can cause injury and or damage.
WARNING
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.
CAUTION
Obey all laws and local regulations which affect you and
your boiler.
WARNING
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.
WARNING
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.
WARNING
Non-approved modications can cause injury and damage.
Contact your Fulton dealer before modifying the boiler.
WARNING
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.
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 boiler and serious personal injury.
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EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
LIST OF ILLUSTRATIONS
TITLE FIG. NO.
EFS Boiler 1
General Arrangment (Heated Tank) 2
Boiler Connection Points (No Tank) 3a
Boiler Connection Points (Optional Tank Fitted) 3b
Electrical Connections (Unheated/No Tank) 4a
Electrical Connections (Heated Tank) 4b
Pressure Controllers 5
Feedwater Pump 6
Control Panel 7
Heating Elements 8
Hand Hole Assembly 9
Boiler Dimensions 10
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
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FIG. 1 EFS BOILER
Electrical
Control Panel
Pressure Gauge
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 1
1
The Fulton EFS Electric Flash Steam Boiler is a compact, fully automatic, self-contained steam
raising unit, specically designed to meet the requirements of applications requiring a short period
high demand steam supply.
A heated feedwater tank is available as an option, the purpose of which is to reduce the level of
non-condensable gases (NCG’s) in the steam as required by HTM* 2010 and to limit the
temperature and pressure drop within the boiler when feedwater is introduced.
SECTION 1 - INTRODUCTION
1.1 GENERAL
1.2 TECHNICAL DATA
For a full specication refer to Section 5.
Note: *Glossary of Terms Section 5.4
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
Page 2
FIG. 2 GENERAL ARRANGMENT (Heated Tank)
Delay Timer
Audible
Alarm
Boiler
Feedwater
Heating Elements
Feedwater Pump
Cooling Fan
Electrical
Control Panel
Door Isolator
Switch
Pressure
Controllers
Feedwater
Isolation Valve
Pump
Contactor
Chemical Dosing
Point
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 3
2
SECTION 2 - INSTALLATION
2.1 GENERAL
2.2 SITING
2.3 WATER SUPPLY
The installation of the Fulton EFS Electric Flash 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.
The Fulton Electric Flash Steam Boilers are designed to provide short term peak steam loads up to
three times the boiler steady state output.
This is achieved by providing the boiler with a very large pressure vessel, which acts as a combined
boiler and steam accumulator. As is the case with all accumulator applications the peak load must be
followed by a dwell/low load period to allow the accumulator to recharge back up to full pressure.
When a peak load which exceeds the normal output occurs, the boiler pressure falls releasing
energy in the form of ash steam to satisfy the peak load.
Note: To enable this to happen it is essential that a steam pressure reducing valve is installed in the system, and
that the boiler steam pressure control is set at the boiler maximum operating pressure of 10.34 barg.
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WARNING
At all stages of operation the boiler will generate high temperatures,
which will be transferred to the boiler and the boiler ttings. Great
care must be taken to avoid any chance of receiving burns when
working on or near the boiler.
The boiler should be sited in dry surroundings on a level base as close as possible to the steam
using equipment.
Take note of the dimensions given in Section 5 and ensure there is sufcient room around the boiler
to allow for the connection of all services and to enable the maintenance engineer to gain access to
all parts of the boiler.
The quality of the water used in the boiler will affect the life of the elements and it is strongly
recommended that a competent water treatment supplier be consulted prior to the installation of the
boiler. Water should be treated to obtain the values quoted in Section 5.3 Recommended Water
Conditions.
Note: Elements damaged due to adverse water conditions cannot be replaced under guarantee. In order to
take a boiler water sample safely it is advisable to t a Water Sample Cooler which is not supplied as standard.
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 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.
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EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
Page 4
2
FIG. 3A BOILER CONNECTION POINTS (No Tank)
Safety valve
Steam stop
valve
Boiler blowdown
Water sample
point
(valve not tted
as standard)
Water feed
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 5
2
2.4.1 CONNECTIONS (NO TANK)
All connections for services are located at the rear of the boiler, and should be made as follows:
a) Feedwater Inlet, DN20 (3/4 in. BSP)
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.
The feedwater tank is not suitable for condensate return.
b) Safety Valve DN25 (1 in. BSP)
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 safety valve
and contains a weep/tell-tale leakage pipe.
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CAUTION
Unless otherwise specied the steam safety valve supplied
with the boiler is preset and must not be adjusted. 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.
c) Main Steam Valve DN40 (1 1/2 in. BSP)
It is essential that a steam pressure reducing valve is installed in the system, and that the boiler
steam pressure control is set at the boiler maximum operating pressure of 10.34 barg.
d) Boiler Blowdown Connection DN20 (3/4 in. BSP)
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 After
Sales Department.
e) Water Sample Outlet DN15 (1/2 in. BSP)
If the water sample point is used the valve should be tted as close as possible to the boiler.
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1
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2
FIG. 3B BOILER CONNECTION POINTS (Optional Tank Fitted)
Feedwater Inlet
DN20 (3/4in.BSP)
Feed Tank
Overow and Vent
DN25 (1in.BSP)
Steam Stop Valve
DN40 (1 1/2in.BSP)
Condensate Return
DN15 (1/2in. BSP)
Boiler Water
Sample Point
DN15 (1/2in.BSP)
Boiler Blowdown
DN20 (3/4in.BSP)
Safety Valve
DN25 (1in.BSP)
Boiler layout may vary from the photograph.
Tank Drain
DN15 (1/2in.BSP)
Feed Water
Check Valve
Feedwater
Isolation Valve
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 7
2
All connections for services are located at the rear of the boiler, and should be made as follows:
a) Combined Overow and Vent pipe DN25 (1 in. BSP)
The overow should be piped to a suitable drainage point.
The vent should be piped to a safe discharge point, avoiding any possibility of condensation
problems.
b) Feedwater Inlet (Solenoid Valve) DN20 (3/4 in. BSP)
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.
c) Connection for Condensate Return Line DN15 (1/2 in. BSP)
d) Safety Valve Outlet DN32 (1 1/4 in. BSP)
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 safety valve
and contains a weep/tell-tale leakage pipe.
CAUTION
Unless otherwise specied the steam safety valve supplied with the boiler
is preset and must not be adjusted. 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.
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e) Main Steam Valve DN40 (1 1/2 in. BSP)
It is essential that a steam pressure reducing valve is installed in the system, and that the boiler
steam pressure control is set at the boiler maximum operating pressure of 10.34 barg.
f) Boiler Blowdown Connection DN20 (3/4 in. BSP)
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.
g) Water Sample Outlet DN15 (1/2 in. BSP)
If the water sample point is used the valve should be tted as close as possible to the boiler.
h) Chemical Dosage Point
(If required) is provided in the feedwater pump pipework. (See Fig 2)
2.4.2 CONNECTIONS (OPTIONAL TANK FITTED)
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2
FIG. 4b ELECTRICAL CONNECTIONS (Heated Tank)
Note: Water level relays are behind the facial panel.
Element MCBs
Door
isolation
switch
Element
contactors
Pump
overload
protection
Controls
MCB
Pump
contactor
FIG. 4a ELECTRICAL CONNECTIONS (Unheated/No Tank)
Element MCBs
Door
isolation
switch
Element
contactors
Pump
overload
protection
Controls
MCB
Pump
contactor
Tank
Element
Tank
Element
Contactor
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 9
2
2.5 ELECTRICAL REQUIREMENTS
Power ratings are given in Section 5.2, EFS Specication.
The boiler contains all necessary electrical protection.
An electrical isolator should be tted on the wall as close as possible to the boiler, and connections
made to the terminals on the Residual Current Device mounted on the electrical panel inside the
boiler.
A Three Phase and Neutral supply is required and care should be taken to ensure that the wire used
is the size given in Section 5.2, EFS Specication.
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.
WARNING
Isolate the electrical supply before removing the feedwater tank heating element cover.
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Adjust the steam pressure controls to 10.34 barg. (see Section 2.1).
Setting the pressure controllers
High Limit Controller
1. Set the controller range scale to 5 psi below the safety valve setting.
Set the differential scale to zero.
Operating (On/Off) Controller
1. Set the Range Scale A to the maximum pressure required.
2. Set the Differential Scale B to give the required pressure differential between the boiler heating
elements being de-energised (switched off) and energised (switched on).
A valve is tted in the pressure supply line to allow the testing of the boiler pressures and the
controllers.
FIG. 5 PRESSURE CONTROLLERS
2.6 STEAM PRESSURE CONTROL
A B
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2
2.7 COMMISSIONING
2.7.1 ELECTRICAL
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.
WARNING
The boiler electrical circuit must be isolated prior to doing the
following tests.
1. Remove the front and right hand access panels.
2. Check that all electrical connections are tight.
3. Megger* test the elements in accordance with the notes in Section 4.3 - Element Care and
Protection. (Including heated tank element if tted)
4. Set the High Limit and Operating (On/Off) steam pressure controllers to the pressures required.
5. Set the tank thermostat to 85°C. (Heated tank only)
6. Ensure that the element switches are in the OFF position, and that the Pump On/Off switch is in
the PUMP OFF position. Turn the Boiler On/Off switch to the ON position.
7. Open all the valves in the water feed line and allow the water storage tank to ll.
Check for leaks. The water level controls will close the solenoid when the water level reaches
the normal working level.
FIG. 6 FEEDWATER PUMP
Feedwater Pump
Bleed Nipple
2.7.2 GENERAL IN ADDITION
8. Open the feedwater pump inlet isolating
valve, prime/bleed the pump by
releasing air from the bleed nipple.
9. Close the boiler blowdown valve and the
main steam valve.
10. Ensure that the Boiler On/Off switch
mounted on the boiler control panel
is switched to the OFF position.
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Note: *Glossary of Terms Section 5.4
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 11
2
13. Check for correct rotation of the feedwater pump by removing the cover to expose the pump
drive shaft coupling. 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. Check that the pump rotation is now correct.
14. Turn the Boiler and Pump selector switches to the OFF position.
Release the front panel interlock microswitch.
15. Replace the front panel.
11. Switch on the electrical supply at the isolator.
Manually override the front panel interlock microswitch.
12. Turn the Boiler On/Off switch ON. The boiler Low Water alarm light should light up. If it does
not do so, refer to the list of fault indications. Turn the feedwater Pump On/Off switch to ON.
WARNING
Use extreme caution. Live element terminals.
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WARNING
Do not make contact or place anything in touch with the moving parts
of the pump drive. The cover is removed only for the visual
checking of the pump rotation.
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WARNING
The front panel must be replaced when the elements are live.
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16. Switch the element switches to the ON position.
17. Turn the Boiler and Pump switches to the ON position.
18. Allow steam pressure to build up, check the reading on the steam pressure gauge, until it
reaches the high limit cut-off point as set on the on/off steam pressure control.
Re-adjust this control as necessary.
19. 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.
20. Test the high limit contoller by changing the high limit on the On/Off contoller to a value above
the value set on the high limit contoller, allow the boiler to build-up steam pressure until the high
limit controller value is reached, the boiler should cutout.
Reset the On/Off controller to its original setting.
21. Turn the Boiler and Pump switches to the OFF position. Isolate the boiler at the main isolator
and remove the front and right hand panels to check for steam or water leakage.
22. Replace the panels and slowly open the steam valve to release the pressure in the boiler.
Check for steam leaks in all new pipework. Reset the High Pressure Reset button.
23. The boiler is now ready for placing into full operation.
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FIG. 7 CONTROL PANEL
Element
switches
Pump
On/Off
Boiler On/Off
Circuit
Live
Low
Water
Pump
Fault
Element
Fault
Low Water
Reset
High
Pressure
Reset
Audible
alarm
Tank Low Water
If Fitted
EFS OPTIONAL hEATEd TANk MANuAL 05 2014 ISSuE 1 Page 13
3
SECTION 3 - OPERATION
WARNING
The following instructions are given for the
guidance of the operator in the use of the Fulton
electric steam boiler. No responsibility can be
accepted by Fulton Ltd if these instructions are ignored.
CAUTION
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.
Circuit Live
Indicates that power is being supplied to the boiler control circuit and that the control panel is live.
This light should be illuminated immediately the main isolator is switched on and should remain on
until the main isolator is switched OFF.
Low Water
Indicates that a low water condition exists in the boiler and that the boiler has shut down
Operates in conjunction with an audible alarm. The alarm will cancel and the boiler will restart when
the normal working water level is restored.
Low Water Reset
Indicates that a 2nd low water condition exists and the boiler has shut down. An audible alarm will
continue to sound and the elements will remain de-energised until the normal working water level is
restored and the Reset button is depresseed.
Pump Fault
This light will illuminate if there is an electrical fault with the feedwater pump.
Boiler Indicator/ Boiler On/Off Switch
Indicates that the selector switch has been switched to the ON position and that the boiler is in a fully
operational position. This light should remain on until the selector switch is turned to the OFF
position.
Element Switches and Element Indicators
The switches are illuminated in the ON position and the elements are energised. The switches are not
illuminated when elements are de-energised during normal on/off cycle of operation.Each element
has its own M.C.B.* which will activate the indicator and shut down the electrical supply to the
element. It is safe to operate the boiler with the faulty element switched off providing the faulty
element is not allowing steam or water to escape.
3.1.1 CONTROLS AND FAULT INDICATORS
3.1 CONTROL PANEL
The control panel contains a range of indicator lights to assist with the starting and testing
procedures described in Sections 3.2 and 4.2, in addition the panel contains warning and
fault indicators.
Should a warning or fault be indicated the boiler must be isolated and the cause investigated by a
competent person.
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Page 14
3
Tank Low Water
This light will illuminate if there is a low water condition in the feedwater tank. The boiler feed pump
will be inhibited until the water level in the tank is restored.
Element On/Off
If tted. The switches are illuminated in the ON position and the elements are energised.
The switches are not illuminated when elements are de-energised.
Element Fault
If tted. The feedwater tank element has its own M.C.B.* which will activate the indicator and shut
down the electrical supply to the element. It is safe to operate the boiler with the faulty element
switched off providing the faulty element is not allowing water to escape.
Tank Thermostat
The tank thermostat will allow the tank heating element to heat the water in the tank to the set
temperature, normally 85°C, and maintain that temperature. Should the Element On/Off indicator not
illuminate on start up from cold it may indicate a fault in the thermostat.
WARNING
Isolate the electrical supply before removing the
feedwater tank heating element cover.
3.1.2 FEEDWATER TANK CONTROLS
High Pressure Reset
The High Pressure Reset button will illuminate when the steam high limit controller is tripped. Reset
the control by depressing the push button, having rst ascertained the reason for the high pressure
condition.
Pump On/Off
In the OFF position the feedwater pump control circuits are isolated.
In the ON position the On/Off switch will illuminate and the feedwater pump will be controlled by the
boiler water level controls.
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Fulton E.F.S. User manual

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