January 2010 UIN 205403 A01
Contents
1. istor User s POINTS FOR THE BOILER USER Note n 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 TYPICAL NON PRODUCT FAULTS rr JO 7 Boiler is not working for central heating or hot water Boiler is not working for centra heating or hot water but attempts to fire by going through 3 ignition attempts Display shows L F flashing Boiler is not working for central heating or hot water and the display shows L A Boiler is not working for central heating or hot water and the display shows AA flashing Boiler will not fire for central heating Boiler comes on for domestic hot water without a tap being opened the display shows 2 Boiler fires occasionally for approx 2 minutes the display shows Domestic hot water is not to the required temperature istor User s Check there is power to the boiler switch A to the ON position and the time of day is displayed on the controls Ensure that the programmer is in an ON period if turned or set to ON If the time of day is not displayed then not a boiler fault contact your2. but not firing at the time The spanner symbol is shown when an engineer may be needed See Frame 7
3. PROGRAMMER 3 PROGRAMMING THE HEATING OR HOT WATER PERIODS DISPLAY SHOWS time day P ee eee and backlight is OFF i O s is the SELECT button P Press PROG button briefly E are the UP and DOWN buttons DISPLAY SHOWS time day and backlight is ON P Press PROG button briefly The left hand Timed is flashing together For Hot Water with the Radiator symbol and the word 4 Press down arrow twice or PROG is showing up arrow twice until For Heating The right hand Timed is flashing together with the Tap symbol and the word PROG is showing Radiator or Tap symbol is steady The seven days of the week are flashing Use Up and Down Buttons to set chosen day You can also select groups Mon Fri Sat Sun Mon Sun 1 flashes indicating that you have selected period 1 on the day s shown Select period 2 or 3 if required ON flashes and a time is showing Select ON or OFF as required You can also select DELETE to exclude this time period altogether The hours figure flashes Set Hour The minutes figure flashes Set minute 12 hr mode only The am or pm symbol flashes Set as appropriate oY M O M O MO OM o o Now repeat for the OFF time Display returns to flashing ON etc Next do the same for period 2 and 3 P s Then repeat for other days as required P P 10 is
4. Tap symbol is flashing Oo Not applicable to istor together with C Display shows Clock setting and a flashing clock symbol Go to Frame 2 Note Using the down arrow key will navigate the structure in reverse order 8 istor User s ITIME PROGRAMMER 2 SETTING THE DAY AND TIME DISPLAY SHOWS time day P ss and backlight is OFF l S is the SELECT button P Press PROG button briefly E are the UP and DOWN buttons DISPLAY SHOWS time day and backlight is ON P Press PROG button briefly The left hand Timed is flashing together with the Radiator symbol and the word PROG is showing Press down arrow once or up arrow four times until Display shows and a flashing clock symbol The clock symbol becomes steady and one of the days is flashing Use Up and Down buttons to reset to current day The day symbol becomes steady and the 12 24 hr symbol flashes Use Up and Down buttons to select 12 or 24hr mode for display The hours digits flash Use Up and Down buttons to reset to current hour Use Up and Down buttons to reset to current minute The hours digits become steady and the minutes digits flash The am or pm symbol flashes in 12 hr mode only Use Up and Down buttons to set am or pm as appropriate oO MM OM O O The clock now displays the current day and time in 12 or 24 hr mode istor User s 9 ITIME
5. days of the week are flashing Use Up and Down Buttons to set chosen day Select MON SUN 1 flashes indicating that you have lected period 1 the d h ee A SAYS SANN Select period 2 or 3 as required Select DEL This will exclude this time ON flashes and a time is showing h period altogether 14 istor User s istor User s 15 Ideal Stelrad Group pursues a policy of continuing improvement in the design and performance Ideal Consumer Helpline of its products The right is therefore reserved to vary specification without notice a BOILERS J Id al Tel 01482 498660 Ideal Boilers P O Box 103 National Ave Kingston Upon Hull HU5 4JN Tel The High Efficiency Pioneers 7 d www idealboilers com 01482492251 Fax 01482448858 Registration No London 322 137 ITIME PROGRAMMER CONTROLS AND DISPLAY Heating Press this button to cycle a from TIMED to ADVANCE then ON and OFF ADVANCE indicates an early change to the next program selection ON and OFF are indefinite prog i e the boiler will remain so The Prog button is used to change into Programming mode in order to check programs and to reset the clock See Frame 2 to 9 NB The Prog button also functions in program mode as a back key and an abort key press and hold PM 1hr time PROGRAMMER A sele t The Select button is normally used to make choices w
6. dribbling taps or showers turn fully off Check for leaks from the domestic hot water pipework and if found contact your installer This is a normal function of the boiler during an ON period to periodically pre heat the plate heat exchanger to optimise delivery time for domestic hot water to taps or showers Adjust the mixing valve to the required output temperature see user instructions for temperature settings In order to access the mixing valve it will be necessary to remove the lower front panel refer to installation instructions istor User s PROGRAMMER ISTOR ITIME PROGRAMMER USER REFERENCE GUIDE TIMED OFF E E a a PM TIMED ADVANCE DEL m a aw a a a a GY a Hhr ADVANCE PROG aD Fe Pa MON TUE WED THU FRI SUN ON A023 gt E FE C ON I OFF ON I I I AM OFF O O a D time 7 5 prog select PROGRAMMER INTRODUCTION The istor programmer allows the user to set the times at which they want the boiler to run for Central Heating CH and Domestic Hot Water DHW It is a full 7 day programmer allowing setting of 3 ON OFF periods per day on MON FRI SAT SUN MON SUN or individual days It also has a built in 12 24 Hr clock and allows adjustment of the set point for CH radiator temperature The user interface Ul consists of 6 buttons and a backlit Liquid Crystal Display LCD The buttons are broken down into two function categories The first is that of changing the operating mode o
7. by a Gas Safe Registered Engineer Under NO circumstances should any of the sealed components on this appliance be used incorrectly or tampered with e This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instructions concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance In cases of repeated or continuous shutdown a Gas Safe Registered Engineer should be called to investigate and rectify the condition causing this and carry out an operational test Only the manufacturers original parts should be used for replacement Minimum Clearances Clearances of 165mm 6 1 2 above 5mm 1 4 at the sides and 450mm 17 3 4 at the front of the boiler casing must be allowed for servicing The minimum front clearance allowed when built into a cupboard is 5mm All Gas Safe Registered Installers carry a Gas Safe Register ID card and have a registration number Both should be recorded in the Benchmark Commissioning Checklist You can check your installer by calling Gas Safe Register direct on 0800 4085500 Ideal Stelrad Group is a member of the Benchmark scheme and fully supports the aims of the programme Benchmark has been introduced to improve the standards of installation and commission
8. f the boiler or programmer and the second is in the setting of parameters time time periods temperatures etc GMT BST ADJUSTMENT The clock can be easily adjusted between GMT and BST by pressing the UP A button for 3 seconds NOTE The time is pre set before leaving the factory If on receipt of the boiler the time shown is incorrect by 1 hour due to difference between GMT and BST simply press the UP A button for 3 seconds ADVANCE FUNCTION A programme start or end can be brought forward by pressing either the heating or DHW buttons HOT WATER CYLINDER RE HEAT Hot water cylinder re heat will be disabled during DHW off periods BATTERY BACKUP If there is a power failure to the boiler all programme times are stored and the real time clock is maintained using battery back up NOTE Pages 7 to 17 are the itime Programmer Instructions SEE PULL OUT SHEET AT REAR OF THIS BOOKLET FOR EASE OF USE istor User s 7 ITIME PROGRAMMER 1 PROGRAMMING MODE STRUCTURE Once the programming mode is entered the structure is as shown E are the UP and DOWN buttons The left hand Timed is flashing Central heating times setting delete together with the radiator symbol Go to Frame 3 The Radiator symbol is flashing Radiator temperature setting together with C Go to Frame 4 The right hand Timed is flashing Hot water times setting delete together with the Tap symbol Go to Frame 3 The
9. gs are setting Central Heating Min CHFlow Temp C F Max 82 180 Min 30 86 CAUTION To avoid the possibility of injury during the installation servicing or cleaning of this appliance care should be taken when handling edges of sheet steel components istor User s To shut down the boiler 1 Forshort periods Set the mains ON OFF switch A to OFF 2 Forlonger periods Set the mains ON OFF switch A to OFF and switch the electricity supply to OFF For longer periods the entire system should be drained To relight the boiler Repeat the procedure detailed in To light the boiler Frost protection If frost protection is required then the boiler should be left powered The boiler has built in boiler frost protection to ensure that the water in the heat exchanger does not drop below 4 C Boiler overheat thermostat This thermostat will shut down the boiler in the event of overheating Should this occur a fault code LA will be displayed Press the select button C for greater than 3 seconds and the boiler will relight If the fault recurs turn off the boiler and consult a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGI Flame failure Should this occur a fault code LP will be displayed Press the select button C for greater than 3 seconds and the boiler will relight If the fault recurs turn off the boiler and con
10. ing of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency benchmark V THE BENCHMARK SERVICE INTERVAL RECORD MUST BE COMPLETED AFTER EACH SERVICE istor User s To Light the Boiler Refer to Frame 1 The boiler incorporates a factory fitted programmer refer to page 5 onwards of these instructions for setting the programmer before continuing 1 CHECK THAT THE ELECTRICITY SUPPLY TO THE BOILER IS OFF 2 Set the mains ON OFF switch A to OFF 3 Ensure that all DHW taps are turned off 4 Switch ON the electricity supply to the boiler and check that the room thermostat is set to call for heat 5 Set the mains ON OFF switch to ON The boiler will commence the ignition sequence first supplying heat to pre heat the domestic hot water and then to the central heating if required Note In normal operation the itime programmer display B will show the time of day Standby no demand for heat CH being supplied amp DHW being supplied During normal running the flame symbol will remain illuminated Note f the boiler fails to light after 3 attempts the fault code LF will be displayed Press the select button C for greater than 3 seconds then release The boiler will repeat the ignition sequence If the boiler still fails to light consult a Gas Safe Registered Engineer or in IE a Registered Gas Insta
11. installer service company Press select reset button C for greater than 3 seconds to repeat ignition sequence Check gas supply try another appliance cooker fire etc If no gas supply then not a boiler fault contact gas supplier Check condensate pipe is not blocked or frozen If blocked clear blockage if not possible to check contact your installer Press select reset button C for greater than 3 seconds the boiler should then re light If fault recurs this indicates an overheat condition The boiler should be turned off and your installer contacted Check if ALL radiators have thermostatic radiator valves fitted If they have contact your installer Check pressure gauge on boiler shows a minimum of 1 bar If not re pressurise via the filling loop to 1 bar if unsure contact your installer turn off the tap on the filling loop and turn the on off switch A off and then back on again to reset the boiler If unable to do so or if the pressure continues to drop after filling then contact your installer Check if ALL radiators have thermostatic radiator valves fitted If they have contact your installer If already set to an ON period then check the programmer by setting to permanent ON if boiler then fires Contact your installer to rectify the programmer Check room thermostat by turning fully up If dm is not displayed on the user controls then contact your installer Check for dripping
12. istor Your Ideal users guide MN BOILER When replacing any part on this appliance use only spare parts that you can be a assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal A A The High Efficiency Pioneers istor Natural Gas only Destination Countries UK IE G C Appliance No G C Appliance No HE260 HE325 ansia 41 394 13 saute 41 394 14 Introduction The istor HE260 amp HE325 are fully automatically controlled condensing system store fan flued boilers Due to the high efficiency of the boiler condensate is produced from the flue gases and this is drained to a suitable disposal point through the plastic waste pipe at the lower rear of the boiler A condensate plume will also be visible at the flue terminal The istor is a system store boiler providing both central heating and domestic hot water Safety Current Gas Safety Installation amp Use Regulations or rules in force In your own interest and that of safety it is the law that this boiler must be installed by a Gas Safe Registered Engineer in accordance with the above regulations It is essential that the instructions in this booklet are strictly followed for safe and economical operation of the boiler Electricity Supply boiler This appliance must be earthed Supply 230 V 50 Hz The fusing should be 3A C
13. ithin menus It selects whichever option on the display is flashing NB The Select button also functions as a Reset button for fault conditions See Frame 7 These symbols relate to the times being programmed 1 2 and 3 are the daily periods ON and OFF are the functions DEL is used to clear a programmed period ON TIMED OFF ADVANCE DEL PROG PROG is shown during program amendment Heating demand also shown during programming Hot Water demand also shown during programming This symbol is shown when the clock is being set Hot Water Press this button to cycle from TIMED to ADVANCE then ON and OFF ADVANCE indicates an early change to the next program selection ON and OFF are indefinite i e the boiler will remain so The Up and Down buttons are used to amend values and move around within menus NB The Up button also makes the change to and from Summer time For this function press for 3 seconds ON OFF TIMED ADVANCE indicate the current selected mode for each channel In TIMED mode ON will be shown within a timed ON period ADVANCE is shown when the channel is moved on to the next programmed event Once the event has finished ADVANCE will no longer be shown Summertime indicator To set or reset this press the UP button and hold for 3 seconds A steady flame symbol indicates that the boiler is on If flashing the boiler is active
14. ller RGI Operation Winter conditions i e CH and DHW required The boiler will fire and supply heat to the radiators but will give priority to DHW on demand during timed on periods The DHW pre heat will operate as described under Summer conditions during periods when there is no call for CH Summer conditions i e DHW only required Set the CH mode to OFF The boiler will fire periodically for a short period to maintain the DHW storage tank in a pre heated condition during a timed on period The average time period between firing is 90 minutes This may vary considerably due to the surrounding ambient temperature of the boiler The boiler will fire whenever there is a demand for DHW during a timed on period Note The pump will operate briefly as a self check once every 24 hours regardless of system demand Control of water temperature Domestic Hot Water The DHW delivery temperature is controlled by thermostatic mixer within the tank module see illustration below Pull off the lower door from its locating pegs and adjust the mixer valve to the required DHW delivery temperature IMPORTANT 60 C is the recommended maximum temperature Central Heating The boiler controls the central heating radiator temperature to a maximum of 82 C adjustable via the CH temperature set point adjustment within the programmer Approx flow temperatures for the boiler thermostat settin
15. mbol Fault Code then the boiler is being prevented from running because of adverse conditions Those Codes beginning with H are temporary and will reset when the fault condition has been cleared Those Codes beginning with L are permanent causing a Lockout situation When one of these faults has been cleared the boiler should be reset by pressing the Select button for greater than 3 seconds The Select button is the equivalent of the small Reset button on boilers without programmers Further details of the Lockout Codes are in the main boiler instruction book Fault Finding section istor User s 13 8 CLEARING THE PRESET TIMES The programmer comes with preset time periods for Central Heating and Hot Water These can be individually cleared prior to user programming using the following sequence Ra 3 3 ii P is the PROG button s is the SELECT button DISPLAY SHOWS time day and backlightis OFF E are the UP and DOWN buttons P Press PROG button briefly DISPLAY SHOWS time day and backlight is ON P Press PROG button briefly The left hand Timed is flashing together For Hot Water with the Radiator symbol and the word Press up arrow twice or down PROG is showing arrow three times until The left hand Timed is flashing together with the Tap symbol and the word PROG For Heating is showing Radiator or Tap symbol is steady The seven
16. ng or Hot Water times Checking the Hot Water Temperature The left or right hand Timed is flashing C is flashing together with the Tap together with the Radiator or Tap Symbol symbol Radiator or Tap symbol is steady The Tap symbol is steady The first ON time for Monday is shown Temperature is displayed Monday s first OFF time is sh N an Return to time date display For systems with underfloor heating or other systems requiring a maximum flow temperature different to 82 C the maximum radiator temperature can be set in a similar manner to Setting the HW Temperature The last OFF time for Sunday is shown Return to Monday 12 istor User s 6 PRESET PROGRAM TIMES AND TEMPERATURES The programmer comes with preset Central Heating and Hot Water times and temperatures These can be amended using the appropriate procedures The times can be deleted if they are not required refer to Frame 8 Central Heating Periods Hot Water Periods MON FRI Period 1 ON Period 1 OFF Period 2 ON Period 2 OFF Period 3 ON Period 3 OFF MON SUN Period 1 ON Period 1 OFF Period 2 ON Period 2 OFF Period 3 ON Period 3 OFF SAT SUN Period 1 ON Period 1 OFF Period 2 ON Period 2 OFF Period 3 ON Period 3 OFF Radiator Temperature Hot Water Temperature 7 FAULT FINDING If the display shows a spanner symbol and the time or temperature indication is replaced by a 2 sy
17. onnection must be made in a way that allows complete isolation of the electrical supply such as a double pole switch having a 3mm 1 8 contact separation in both poles serving only the boiler and system controls Alternatively a 3 pin UNSWITCHED socket may be used The means of isolation must be accessible to the user after installation Electricity Supply immersion heater Supply 230 V 50 Hz The fusing should be 13A The immersion heater is supplied fitted to the cylinder and is intended for use as a back up heat source for DHW should the boiler fail for some reason Optimum DHW performance will not be achieved using the immersion heater only 7 BOILER CONTROLS Legend A Boiler ON OFF switch B Display C Select button Wire the heater through a double pole switch or controller having contact separation of at least 3mm using a cable size of at least 1 5sq mm flexible cable 85 C rubber insulated HOFR Sheathed complying with BS6141 Table 8 It MUST be fully earthed Ensure all terminal connections are securely made Do not however use excessive force when tightening terminals ap Notes This appliance must not be operated without the casing correctly fitted and forming an adequate seal e lf the boiler is installed in a compartment then the compartment MUST NOT be used for storage purposes e lf it is known or suspected that a fault exists on the boiler then it MUST NOT BE USED until the fault has been corrected
18. sult a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGI Loss of system water pressure The gauge see illustration below indicates the central heating system pressure lf the pressure is seen to fall below the original installation pressure of 1 2 bar over a period of time then a water leak is indicated In this event a Gas Safe Registered Engineer should be consulted DO NOT FIRE THE BOILER IF THE PRESSURE HAS REDUCED TO ZERO FROM THE ORIGINAL SETTING Condensate Drain The condensate drain must not be modified or blocked Blockage of the condensate drain caused by debris or freezing can cause automatic shutdown of the boiler If freezing is suspected and the pipe run is accessible an attempt may be made to free the obstruction by pouring hot water over the exposed pipe and clearing any blockage from the end of the pipe If this fails to remedy the problem the assistance of a Gas Safe Registered Engineer should be sought Escape of gas Should a gas leak or fault be suspected contact your local gas supplier without delay Do NOT search for gas leaks with a naked flame Cleaning For normal cleaning simply dust with a dry cloth To remove stubborn marks and stains wipe with a damp cloth and finish off with a dry cloth DO NOT use abrasive cleaning materials Maintenance The appliance should be serviced at least once a year by a Gas Safe Registered Engineer
19. tor User s 4 SETTING THE CH MAXIMUM FLOW TEMPERATURE DISPLAY SHOWS time day and backlight is OFF P Press PROG button briefly DISPLAY SHOWS time day and backlight is ON P Press PROG button briefly The left hand Timed is flashing together with the Radiator symbol and the word PROG is showing Press down arrow 4 times or up arrow once until The Radiator symbol is flashing together with C The Radiator symbol is steady The temperature figure flashes P is the PROG button s is the SELECT button 9 are the UP and DOWN buttons Use Up and Down buttons to set value For systems with underfloor heating or other systems requiring Maximum CH flow temperature a maximum flow temperature different to 82 C the maximum can be set from 30 to 82 C radiator temperature can be set Change accepted Display reverts to normal istor User s 11 5 QUICK REVIEW OF PROGRAMMED TIMES AND TEMPERATURES Note This section cannot be used to amend the settings P is the PROG button s is the SELECT button E are the UP and DOWN buttons see Frames 3 and 4 DISPLAY SHOWS time day and backlight is OFF P Press PROG button briefly DISPLAY SHOWS time day and backlight is ON P Press PROG button and hold until The left hand Timed is flashing together with the Radiator symbol and the word PROG is showing Checking the Heati
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