Keston System s30 Installation And Servicing Instructions Download

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User’s

YES

NO CENTRAL HEATING

Check the mains power is turned on

and ensure mode control knob (B) is

in the ON position

Does the boiler operate and provide

central heating?

Check the time settings on the

programmer are as you require and

adjust if necessary

Check the programmer (external to

the boiler) is in an “ON” position and

the room thermostat is turned up

See boiler “Operation Modes” and

“Fault Codes” section. If “

0 0

” is

displayed then contact a Gas Safe

Registered Engineer or in IE a

Registered Gas Installer (RGII)

YES

NO HOT WATER

Check the mains power is turned on

and ensure mode control knob (B) is in

the ON position

Does the boiler operate and provide

hot water?

Check the time settings on the

programmer are as you require and

adjust if necessary

Check the programmer (external to the

boiler) is in an “ON” position and the hot

water cylinder thermostat is turned up

See boiler “Operation Modes” and

“Fault Codes” section. If “

0 0

” is

displayed then contact a Gas Safe

Registered Engineer or in IE a

Registered Gas Installer (RGII)

6. POINTS FOR THE BOILER USER

Note.

In line with our current warranty policy we would ask that you check through the following guide to identify any

problems external to the boiler prior to requesting a service engineers visit. Should the problem be found to be other

than with the appliance we reserve the right to levy a charge for the visit, or for any pre-arranged visit where access is

not gained by the engineer.

TROUBLESHOOTING

FOR ANY QUERIES PLEASE RING THE

KESTON CONSUMER HELPLINE : 01482 498660

NOTE. BOILER RESTART PROCEDURE -

To restart boiler, press the “RESTART” button.

Summary of Contents for System s30

Page 1: ...t use reconditioned or copy parts that have not been clearly authorised by Keston For the very latest copy of literature for specification and maintenance practices visit our website www keston co uk where you can download the relevant information in PDF format System s30 Installation and Servicing Instructions FAN POWERED HIGH EFFICIENCY MODULATING DOMESTIC CONDENSING GAS SYSTEM BOILER ...

Page 2: ...on Heater n a n a no Nominal Heat Output for Space Heating Full Load P4 kW 30 Part Load P1 kW 9 8 Auxiliary Electricity Consumption Full Load elmax kW 0 048 Part Load elmin kW 0 013 Standby PSB kW 0 005 Seasonal Space Heating Energy Efficiency Full Load ƞ4 89 8 Part Load ƞ1 98 2 Standby Loss Pstby kW 0 055 Ignition Pign kW 0 Emissions NOx mg kWh 29 Annual Energy Consumption QHE GJ 93 Sound Power L...

Page 3: ...1 5 2 3 4 3 5 5 PRODUCT FICHE The energy efficiency of the package of products provided for in this document may not correspond to its actual energy efficiency once installed in a building as the efficiency is influenced by further factors such as heat loss in the products in relation to the building size and its characteristics Collector Size in m2 Tank Volume in m3 Collector Efficiency in Tank r...

Page 4: ...4 Installation and Servicing ...

Page 5: ...ented in this book from Mod Level A01 Aug 16 DOCUMENT AMENDMENTS FOR ANY TECHNICAL QUERIES PLEASE RING THE KESTON INSTALLER TECHNICAL HELPLINE 01482 443005 NOTE BOILER RESTART PROCEDURE To restart the boiler press the RESTART button The boiler will repeat the ignition sequence if a heat demand is present NOTES FOR THE INSTALLER ...

Page 6: ...6 Installation and Servicing ...

Page 7: ... 36 2 25 Accessing The Installer Mode 37 2 26 Handing Over 37 3 SERVICING 3 1 Servicing Schedule 38 3 2 Boiler Front Panel Removal Replacement 39 3 3 Fan and Venturi Assembly Removal and Cleaning 39 3 4 Burner Removal and Cleaning 40 3 5 Cleaning the Condensate Trap Siphon 40 3 6 Cleaning the Heat Exchanger 41 3 7 Reassembly 41 3 8 Replacement of Components 42 3 9 Fan Replacement 42 3 10 Burner In...

Page 8: ...r Btu h multiply the gross heat input kW by 26 8 c For ft3 h divide the gross heat input Btu h by the gross C V of the gas Btu ft3 d For m3 h multiply l s by 3 6 Key to symbols GB United Kingdom IE Ireland Countries of destination PMS Maximum operating pressure of water C13 C53 Aroom sealed appliance designed for connection via ducts to a horizontal terminal which admits fresh air to the burner an...

Page 9: ...ducer 15 Hot water mode Heat input to be calculated Max operating burner pressure n a Max operating water pressure measure record Cold water inlet temp measure record Hot water outlet temp measure record Water flow rate at max setting measure record For condensing boilers only Condensate drain 26 35 For all boilers complete sign hand over to customer For GB to comply with Building Regulations Part...

Page 10: ...he boiler casing shown in Section 1 13 Water Gas Connection Diagram 1 2 OPERATION When there is a demand for CH the heating system is supplied at the selected temperature of between 30o C and 80o C The boiler features a comprehensive diagnostic system which gives detailed information on the boiler status when operating and performance of key components to aid commissioning and fault finding 1 3 SA...

Page 11: ...re Any direct connection of a control device not approved by Keston could invalidate the certification and the normal appliance warranty It could also infringe the Gas Safety Regulations and the above regulations 1 6 SAFE HANDLING OF SUBSTANCES No asbestos mercury or CFCs are included in any part of the boiler or its manufacture 1 7 LOCATION OF BOILER The boiler must be installed on a flat and ver...

Page 12: ... from the boiler before connection to any plastic piping The central heating system should be in accordance with BS 6798 and in addition for smallbore and microbore systems BS 5449 WATER TREATMENT see Section 1 16 1 10 BOILER CONTROL INTERLOCKS Central heating systems controls should be installed to ensure the boiler is switched off when there is no demand for heating in compliance with Building R...

Page 13: ... than the length of flue required the flue must be fitted from the outside Installation from inside ONLY b If a core boring tool is to be used inside the building the space in which the boiler is to be installed must be at least wide enough to accommodate the tool 395 100 400 700 2 5 2 5 from case Air Flue 198 62 89 155 30mm Minimum Top Clearance DATA PLATE Underside View Pipe Dimensions to Wall W...

Page 14: ...iven in table opposite 5 Filling The system may be filled by the following method Through a temporary hose connection from a draw off tap supplied from a service pipe under mains pressure Where the mains pressure is excessive a pressure reducing valve must be used to facilitate filling When installing the filling device it must be connected as below to fully comply with the water regulations This ...

Page 15: ...CALMAG CM100 inhibitors and associated water treatment products which must be used in accordance with the manufacturers instructions Notes 1 It is most important that the correct concentration of the water treatment products is maintained in accordance with the manufacturers instructions 2 If the boiler is installed in an existing system any unsuitable additives MUST be removed by thorough cleansi...

Page 16: ...NER 219 SUMP CLEAN OUT COVER 223 FLUE MANIFOLD 224 FLUE MANIFOLD TOP 227 CLAMP RETAINING FLUE TURRET 228 HOSE CONDENSATE INTERNAL 229 SIPHON TRAP 231 CONDENSATE OUTLET CONNECTION 302 PCB 304 CONTROL THERMISTOR RETURN 306 ELECTRODE IGNITION 307 ELECTRODE DETECTION 308 IGNITER UNIT 309 THERMISTOR CONTROL NO FLOW 313 IGNITION LEAD 324 CONTROLS BOX LID 325 CONTROL BOX FRONT 401 HEAT ENGINE 503 WALL MO...

Page 17: ...Cock Return Valve Pack 1 Pipe CH Return 2 Washer CH 3 Valve Return Accessory Pack 1 Screw x2 2 Wallplug x2 3 Turret Clamp Screw spare x1 Flow Valve Pack 1 Pipe CH Flow 2 Washer CH 3 Valve Flow Gas Valve Pack Accessory Pack Flow Valve Pack Return Valve Pack 1 1 1 1 2 3 3 2 2 2 3 3 A Flue Adaptor B Air Spigot C Terminals 2 off D Flue Sleeve E Wall Plate F Wall Seal G Outside Sensor H Screws 4 off J ...

Page 18: ... Marley muPVC PVC C Solvent Weld Waste System 50mm and Polypipe System 2000 muPVC PVC C solvent weld waste 50mm are the only systems approved for this application The following pipes and fittings are approved Polypipe System 2000 muPVC solvent Weld Waste System 50mm Poly Pipe Code MU 301 4m length muPVC wastepipe 5 225 MU 313 50mm x 45 deg muPVC obtuse bend MU 314 50mm x 92 5 deg muPVC swept bend ...

Page 19: ...from the flue terminal this is normal It is the responsibility of the installer to judiciously select a terminal location that does not cause a nuisance If either the flue or air terminal is below a height of 2m from ground level a terminal guard must be fitted TERMINAL POSITIONS Flue Pipe Elbow Minimum Separation 140mm Acceptable range of air pipe siting Terminal Air Pipe 150mm MAXIMUM LENGTHS Du...

Page 20: ... 1 5m 2m 4m 4m 3 5m 3 5m 1 5º back to boiler Air Sleeve 1 5º back to boiler Bracket every 1 metre Flue 3 x 90º elbows 3 Straight lengths 2 5 1 5 3 5 4 14 5 Overall Flue Air 30 15m Air 4 x 90º elbows 4 Straight lengths 2 2 3 5 4 0 15 15 65 Calculations 0 15m 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 2 6 10 14 18 22 26 30 34 38 Acceptable Operating Area Keston System30 Flue Air Pipe Length Flue Pipe ...

Page 21: ... be nearer than 150mm fanned draught to an opening into the building fabric formed for the purpose of accommodating a built in element such as a window frame The dimensions given in the table above may need to be increased to avoid wall staining and nuisance depending on site conditions boundary boundary J H L F I G I A B C D E F F K M N GENERAL INSTALLATIONS All parts of the system must be constr...

Page 22: ...LING THE BOILER Installation of the boiler is straightforward but consideration must be given to access to allow flue and air pipes to be pushed through walls and ceilings The order in which the components are installed will depend upon particular site conditions but in general it will be easiest and most accurate to install the boiler and then build up the flue outlet and air inlet pipes to the t...

Page 23: ... 2 Lift the boiler onto the wall mounting plate refer to the Introduction section for safe handling advice locating it over the two tabs 2 8 FITTING THE WALL MOUNTING PLATE Screw the wall mounting plate to the wall using 2 wall plugs previously fitted with the 2 screws provided Choose one of the 2 sets of slots in left and right bank Ensuring that at least one of the screws is fitted into a top sl...

Page 24: ...check the air and flue pipes to pass to the exit from the wall s or ceiling Always thoroughly deburr all pipes and most important remove shavings from within the pipe Assemble using solvent weld cement the pipework from the boiler connections to the exit from the first wall ceiling remount the boiler if removed When pushing pipe through walls ensure grit and dust is not allowed to enter the pipe E...

Page 25: ...tch wall thickness remove burrs 4 Grout sleeve into wall with flange on external face 5 Slide flue pipe into sleeve checking it is free to slide 6 Slide Flexible wall seal over flue pipe and push centre ring up to sleeve flange when cold 7 Locate wall plate over flexible wall seal and clamp in place using the raw plug pack 8 Affix flue terminal 9 During boiler test check that the flue end is free ...

Page 26: ...rnal Drain Connections The use of an externally run condensate drainage pipe should only be considered after exhausting all internal termination options as described previously An external system must terminate at a suitable foul water discharge point or purpose designed soak away If an external system is chosen then the following measures must be adopted The external pipe run should be kept to a ...

Page 27: ...nection height up to 3 storeys Soil vent stack 450 Boiler with 75mm sealed condensate trap Min Ø 19mm Internal pipe Min Ø 30mm Internal pipe Water weather proof insulation 75 Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break Visible air break at plug hole Min Ø 19mm Internal pipe Sink basin bath or shower with integral overflow and 75mm trap Minimum ...

Page 28: ...nection For additional gas supply information refer to Gas Supply on page 12 SAFETY VALVE DRAIN The safety valve connection located at the bottom right hand side of the boiler comprises a 15mm diameter stub pipe The discharge pipe should be positioned so that the discharge of water or steam cannot create a hazard to the occupants of the premises or damage the electrical components and wiring A pur...

Page 29: ...f mains cable This must be connected to a permanent live supply and NOT switched by thermostats programmers If the supply cord is damaged it must be replaced by the manufacturer service agent or similarly qualified persons in order to avoid hazard Connecting the Switched Live to the Boiler 1 Consult the Plan diagrams overleaf 2 Isolate the mains supply to the boiler 3 Remove the front panel Refer ...

Page 30: ...D SPUR TIMER CH ON L N HW ON HW OFF Y PLAN VALVE KESTON SYSTEM S BOILER WITH Y PLAN SYSTEM br br o g y b b g y g g L N E L N E CH ON R S ON HW ON HW OFF C S ON FUSED SPUR TIMER CH ON L N HW ON HW S PLAN VALVE CH S PLAN VALVE R S C S o BOILER L N MAINS IN SL 1 SL 2 E IN L IN L L1 L2 KESTON SYSTEM S BOILER WITH S PLAN SYSTEM KESTON SYSTEM S BOILER WITH Y PLAN SYSTEM OUTSIDE SENSOR KIT INSTALLER WIRI...

Page 31: ...ctor Strain Relief 6 4 FITTING THE KIT Fitting the sensor The air sensor should be located on an external wall of the building to be heated Fix the sensor to a north north east facing wall to avoid direct radiation from the sun The air sensor should be located to avoid any heating effect from the boiler flue To fix the air sensor to the wall unscrew the sensor box plastic cover and screw plug the ...

Page 32: ...perature but is the Desirable Room Temperature during a programmed CH period This can be adjusted between 5 and 30 degrees by the CH Potentiometer Knob on the Boiler when the Outside Temperature Sensor is connected The graph only shows temperatures between 12 and 30 degrees for clarity Examples 1 If the CH Potentiometer Knob is set to display 22ºC on the Boiler Display the Room Temperature Setpoin...

Page 33: ...URBINE 5V CH LIVE IGNITION LIVE PE X2 PUMP LIVE DHW LIVE X3 PUMP GND X9 X8 OWC OWC OPENTHERM OPENTHERM OPENTHERM 5V CHIP COM BUS TX CHIP COM BUS 24V CHIP COM BUS GND CHIP COM BUS 5V CHIP COM BUS RX MAINS LIVE MAINS NEUTRAL AUXILIARY LIVE IONISATION 2 2 FLOW DHW DHW X7 1 3 2 1 1 2 WPS SIGNAL WPS GND FLUE FLUE RETURN RETURN 1 black grey red green blue brown green yellow orange pink violet yellow bk ...

Page 34: ... has been checked adjusted and preset at the factory for operation on the gas type defined on the appliance data plate DO NOT adjust the air gas ratio valve Having checked That the boiler has been installed in accordance with these instructions The integrity of the flue system and the flue seals as described in the Flue Installation section Proceed to put the boiler into operation as follows CHECK...

Page 35: ...ve L is closed and that the CH isolating valve F and K are OPEN 4 Check that the electrical supply is OFF 5 Check that the boiler mode control knob B is OFF 6 Check that the gas service cock J is OPEN 7 Slacken the screw in the inlet pressure test point H and connect a gas pressure gauge via a flexible tube 8 Switch the electricity supply ON and check all external controls are calling for heat CEN...

Page 36: ...all other system controls Operate each control separately and check that the main burner responds WATER CIRCULATION SYSTEM 1 With the system COLD check that the initial pressure is correct to the system design requirements For pre pressurised systems this should be 1 0 bar 2 With the system HOT examine all water connections for soundness The system pressure will increase with temperature rise but ...

Page 37: ...rocedure 10 After installation and commissioning please complete the Benchmark Commissioning Checklist before handover to the customer For IE its is necessary to complete a Declaration of Conformity to indicate compliance to I S 813 2002 IMPORTANT 11 A comprehensive service should be carried out ANNUALLY Stress the importance of regular servicing by a Gas Safe Registered Engineer In IE servicing w...

Page 38: ... more fully in Sections 3 3 3 7 and MUST be carried out in sequence IMPORTANT 5 After completing the servicing or exchange of components always test for gas tightness 6 When work is complete the front panel MUST be correctly refitted ensuring that a good seal is made Do NOT OPERATE the boiler if the front panel is not fitted 7 If for any reason the condensate trap siphon has been removed ensure th...

Page 39: ...he two M4 screws and release the nozzle assembly 6 Inspect the injector for blockage or damage 7 Inspect fan outlet sealing gasket and replace if necessary 1 2 3 5 Injector REMOVAL 1 Loosen the two screws retaining the front panel 2 Pull the two clips down to disengage and pull panel forward and upward and remove REPLACEMENT 3 Hook the panel onto the top retaining clips 4 Push the panel until the ...

Page 40: ... IMPORTANT The burner head is a ceramic plaque construction Care must be taken to ensure that the burner is not placed down upon its face as this may cause damage to the ceramic 6 Brush off any deposits that may be on the ceramic with a SOFT brush 7 Inspect the sealing gasket around the burner for any signs of damage Replace as necessary 3 5 CLEANING THE CONDENSATE TRAP SIPHON 3 2 2 4 4 5 1 Pull o...

Page 41: ...ection gaps are correct Refer to Sections 3 13 3 14 1 Ignition Electrode Flame Detection Reassemble the boiler in the following order 1 Ensure that the condensate trap siphon is full of water 2 Refit the burner ensuring the sealing gasket is correctly positioned and free from damage tighten the 4 fixing screws in the sequence shown below 3 Refit the fan venturi assembly ensuring the retaining tabs...

Page 42: ...emble the boiler in reverse order taking care not to overtighten the screw on the fan mounting bracket and ensure all gas o rings are in place 10 Check the operation of the boiler Refer to Sections 2 22 2 23 2 4 6 8 Retaining Tabs 3 GENERAL When replacing ANY component 1 Isolate the electricity supply 2 Turn off the gas supply 3 Remove the boiler front panel Refer to Section 3 2 4 Swing the contro...

Page 43: ...nsuring that the new gas seal supplied is located correctly in the injector housing 10 Check operation of the boiler Refer to Sections 2 22 2 23 3 11 BURNER REPLACEMENT 5 5 6 1 See Section 3 4 2 Refer to Section 3 8 3 Undo the two screws and remove the sump cover 4 Lift the manifold to clear the bottom sealing gasket and remove manifold 5 Remove the 2 front fixing screws and loosen the 2 rear exte...

Page 44: ...eration of the boiler Refer to Sections 2 22 2 23 Thermistor Locator Tab with thermistor fitted 2 4 3mm Straight edge 3 13 IGNITION ELECTRODE REPLACEMENT 1 Refer to Section 3 8 2 Remove the burner Refer to Section 3 11 3 Unplug the ignition lead from the electrode 4 Remove the earth lead from the ignition electrode 5 Remove the 2 screws holding the ignition electrode to the combustion chamber 6 Re...

Page 45: ...Reassemble in reverse order 8 Check the operation of the boiler Refer to Sections 2 22 2 23 Flame Detection Electrode 3 15 SPARK GENERATOR REPLACEMENT 1 Refer to Section 3 8 2 Disconnect the leads from the spark generator 3 Gently push down the generator to release the top clip from the gas valve mounting bracket 4 Lift the spark generator up and out of the bottom retaining moulding 5 Fit the new ...

Page 46: ... gas control valve ensuring that the O ring and sealing washer are in place and reconnect gas and electrical connections 7 Check operation of the boiler Refer to Sections 2 22 2 23 4 5 3 2 1 Refer to Section 3 8 Note Ensure condensate trap is fully drained before removal 2 Pull off the rubber pipe at the sump drain 3 Disconnect the condensate drain pipe 4 Turn the siphon clockwise to disengage and...

Page 47: ... connections to the PCB also where applicable push the small plastic clip with an electrical screwdriver to facilitate plug removal 5 Spring out the four side retaining clips and pull the PCB upwards to clear the 4 corner retaining posts 6 Take the new PCB 7 Re connect all plug connections 8 Reassemble in reverse order 9 a Turn power on display shows uP Rotate both dials fully anti clockwise b Pre...

Page 48: ...ver 4 Ensuring there is no pressure in the system unclip the C clip from the flow manifold port and remove the capillary connection together with o ring 5 Releasing the two retaining clips on the pressure gauge ease the pressure gauge through the front of the control panel 6 Fit the new pressure gauge from the front of the control panel ensuring correct orientation Locate push fit connection into ...

Page 49: ...R REPLACEMENT 4 3 1 Refer to Section 3 8 2 Drain the boiler Refer to Section 3 19 3 Disconnect the two electrical leads from the pump 4 Remove the 4 Allen screws retaining the pump head 5 Remove the pump head 6 Fit the new pump head 7 Reassemble in reverse order 8 Refill the boiler Refer to Section 2 13 9 Check operation of the boiler Refer to Sections 2 22 2 23 3 4 1 Refer to Section 3 8 2 Drain ...

Page 50: ... heat exchanger and replacing gaskets or seals if any sign of damage is evident When replacing the spring clips located on the return pipe connection ensure clip is oriented to correctly match connecting pipe diameters 18 Ensure the trap siphon is filled with water Refer to Secion 3 17 19 Refill the boiler Refer to Section 2 13 20 Check operation of the boiler Refer to Section 2 22 2 23 1 Refer to...

Page 51: ...CH circuit Refer to Section 3 19 7 Remove the retaining clip on the vessel water connection pipe 8 Support the expansion vessel and unscrew the 2 screws from the securing clamp located on the top of the boiler and remove Note the position of the bracket on the vessel 9 Remove the expansion vessel 10 Fit the new expansion vessel 11 Reassemble in reverse order ensuring the o ring is in place 12 Refi...

Page 52: ...4 FALSE FLAME LOCKOUT GO TO SECTION 4 5 LOW WATER PRESSURE GO TO SECTION 4 6 FLAME LOSS GO TO SECTION 4 7 FAN FAULT GO TO SECTION 4 8 CONTROL NO FLOW THERMISTOR FAULT GO TO SECTION 4 9 RETURN THERMISTOR FAULT GO TO SECTION 4 10 OUTSIDE SENSOR FAULT LOW MAINS VOLTAGE CONTACT ELECTRICITY PROVIDER PCB UNCONFIGURED OR FAULT SEE SECTION 3 18 IF FAUL PERSISTS REPLACE PCB NO CH NO HW GO TO SECTION 4 11 G...

Page 53: ...Refer to Section 3 14 Check if the condensate pipe is blocked Check flue is installed correctly Replace as necessary NO Check gas supply and rectify fault NO YES Is 24Vdc supply available at the Gas Valve YES Check spark generator and associated harness for continuity and visual condition Refer to Section 3 15 Are these functioning correctly YES Check ignition electrode and associated harness for ...

Page 54: ... is blocked Check if flue is blocked Replace as necessary NO Check gas supply and rectify fault NO YES Is 24Vdc supply available at the Gas Valve while the flame is on YES Check spark generator and associated harness for continuity and visual condition Refer to Section 3 15 Are these functioning correctly YES Check ignition electrode and associated harness for continuity visual condition and posit...

Page 55: ...Ohms Is the Thermistor value correct YES YES NO NO Replace PCB Replace PCB Fit a new Thermistor Fit a new Thermistor Is there continuity between the PCB and Thermistor Is there continuity between the PCB and Thermistor NO NO YES YES Check and replace wiring as necessary Check and replace wiring as necessary 4 10 F6 OUTSIDE SENSOR FAULT Disconnect the wires to the outside sensor Check the resistanc...

Page 56: ...the Timer Room Stat This is not boiler fault Ensure Voltage is supplied to boiler by rectifying external wiring 4 12 NO DISPLAY Is there 230Vac to the boiler at L and N see Section 4 11 NO Supply power to the boiler Is the wiring from the terminal block to the Main PCB connected securely NO Connect the wiring from the terminal block to the Main PCB securely Replace the PCB YES YES 4 13 NO HW Is th...

Page 57: ...ditioned or copy parts that have not been clearly authorised by Keston Failure to do so could affect safety or performance of this appliance Our Parts team are also available to help with your Keston Spare Parts enquiries on 01482 498665 When calling and to ensure we can provide you with the most accurate parts information please ensure you have the following to hand Boiler Model Appliance GC Numb...

Page 58: ......

Page 59: ...commissioning checklist completed in full To instigate the boiler guarantee the boiler needs to be registered with the manufacturer within one month of the installation To maintain the boiler guarantee it is essential that the boiler is serviced annually by a Gas Safe registered engineer who has been trained on the boiler installed The service details should be recorded on the Benchmark Service In...

Page 60: ...opriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Programmable room thermostat Optimum start control Combination Boiler Fitted Fitted Fitted Automatic bypass to system Fitted Boiler interlock ALL SYSTEMS Yes Yes CENTRAL HEATING MODE OR mbar OR mbar Central heating return temperature COMBINATION BOILERS ONLY ...

Page 61: ...ularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND Where Possible AND Signature SERVICE 02 AND Where Possible AND Signature SERVICE 03 AND Where Possible AND Signature SERVICE 04 AND Where Possible AND Signature SERVICE 05 AND Where Possible AND Signature SERVICE 06 AND Where Possible AND Signature SERVICE 07 AND Where Possible AND S...

Page 62: ...e system to confirm that all components are correctly assembled fixed and supported Check that maximum flue lengths have not been exceeded and all guidance has been followed e g Gas Safe Register Technical Bulletin TB 008 where chimney flues are in voids The ECGA should be of the correct type as specified by BS 7967 Prior to its use the ECGA should have been maintained and calibrated as specified ...

Page 63: ...mbled fixed and supported as per instructions Check that flue and flue terminal are not obstructed Check that no seals e g Those on flue extensions have been displaced during installation Rectify if necessary Turn off appliance and call Ideal Technical Helpline for advice The appliance must not be commissioned until problems are identified and resolved If commissioning cannot be fully completed th...

Page 64: ...d e s i g n a n d p e r f o r m a n c e o f i t s p r o d u c t s The right is therefore reserved to vary specification without notice Keston Heating PO Box 103 National Avenue Kingston Upon Hull HU5 4JN Tel 44 0 1482 443005 Fax 44 0 1482 467133 www keston co uk ...

Page 65: ...ot use reconditioned or copy parts that have not been clearly authorised by Keston For the very latest copy of literature for specification and maintenance practices visit our website www keston co uk where you can download the relevant information in PDF format System s30 User Guide FAN POWERED HIGH EFFICIENCY MODULATING DOMESTIC CONDENSING GAS SYSTEM BOILER ...

Page 66: ...ence should be made to the current ETCI rules for electrical installation It is essential that the instructions in this booklet are strictly followed for safe and economical operation of the boiler ELECTRICITY SUPPLY This appliance must be earthed Supply 230 V 50 Hz The fusing should be 3A IMPORTANT NOTES This appliance must not be operated without the casing correctly fitted and forming an adequa...

Page 67: ...our boiler efficiently using less gas turn the central heating temperature knob A to the position or lower In winter periods it may be necessary to turn the knob towards the MAX position to meet heating requirements This will depend on the house and radiators used Reducing the room thermostat setting by 1ºC can reduce gas consumption by up to 10 WEATHER COMPENSATION When the Weather Compensation o...

Page 68: ...all your Gas Safe Registered engineer Preventative solutions During cold weather set the central heating temperature knob A to maximum Must return to original setting once cold spell is over Place the heating on continuous and turn the room thermostat down to 15ºC overnight or when unoccupied Return to normal after cold spell 4 LOSS OF SYSTEM WATER PRESSURE The gauge G indicates the central heatin...

Page 69: ...programmer are as you require and adjust if necessary Check the programmer external to the boiler is in an ON position and the hot water cylinder thermostat is turned up NO See boiler Operation Modes and Fault Codes section If 00 is displayed then contact a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII 6 POINTS FOR THE BOILER USER Note In line with our current warranty poli...

Page 70: ...r central heating but the appliance has reached the desired temperature set on the boiler The boiler is operating in central heating hot water mode The boiler is operating in frost protection 7 NORMAL OPERATION DISPLAY CODES The boiler mode knob B is in the off position rotate fully clockwise for hot water and central heating operation FP 54 00 54 o C o C ON ON ...

Page 71: ...t If the boiler fails to operate then please contact Keston if under warranty or alternatively a Gas Safe Registered Engineer if outside of the warranty period In IE contact a Registered Gas Installer RGII 1 Check condensate Pipe for blockages refer to Section 3 2 Check other gas appliances in the house are working to confirm a supply is present in the property 3 If other appliances do not work or...

Page 72: ... the warranty period In IE contact a Registered Gas Installer RGII Check system pressure is between 1 1 5bar on the pressure gauge if fitted to a sealed system If the boiler fails to operate then please contact Keston if under warranty or alternatively a Gas Safe Registered Engineer if outside of the warranty period In IE contact a Registered Gas Installer RGII Flame Loss See Action Fault Code L 2...

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