users guide - Ideal Boilers
Contents
1. pen ChINGN THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS isar User s back Summer conditions i e DHW only required Set the CH external controls to OFF or turn the CH thermostat knob F to minimum The boiler will fire periodically for a few seconds to maintain the DHW calorifier in a preheated condition 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 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 temperature is limited by the boiler controls to 65 C maximum at low draw off rate adjustable via the DHW thermostat knob J Due to system variations and seasonal temperature fluctuations DHW flow rates temperature rise will vary requiring adjustment at the draw off tap the lower the rate the higher the temperature and vice versa Central Heating The boiler controls the central heating radiator temperature to a maximum of 82 C adjustable via the CH thermostat knob F Approx flow temperatures for the boiler thermostat settings are Knob Setting Flow Temperature C F Minimum 30 86 Maximum 82 180 To shut down the boiler 1 For short periods Set the2. back isar Your Ideal users guide HE24 HE30 HE35 For installation guide see reverse of book When replacing any part on this appliance use only spare parts that you can be 7 4 BOILERS use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers J C assured conform to the safety and performance specification that we require Do not The High Efficiency Pioneers back isar HE24 HE30 HE35 Natural Gas Only Destination Countries GB IE HE24 G C Appliance No 47 348 31 HE30 G C Appliance No 47 348 30 HE35 G C Appliance No 47 348 29 Introduction The isar is a wall mounted room sealed condensing combination boiler featuring full sequence automatic spark ignition and fan assisted combustion 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 isar is a combination boiler providing both central heating and instantaneous 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 CORGI registered installer in accordance with the above regulations In IE the installtion must be carried out by a Competent Person and ins
3. Note n normal operation the control unit display C will show codes O Standby no demand for heat CH being supplied DHW being supplied DHW preheat During ignition the LED E will flash During normal running the LED E will remain illuminated Note f the boiler fails to light after 3 attempts the fault code L F will be displayed Press the reset button D for 2 seconds then release The boiler will repeat the ignition sequence If the boiler still fails to light consult a CORGI registered installer or in IE a competent person 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 The DHW preheat will operate as described under Summer conditions during periods when there is no call for CH All CORGI registered installers carry a CORGI ID card and have a registration number Both should be recorded in the Benchmark Commissioning Checklist You can check your installer by calling CORGI direct on 01256 372300 Ideal Stelrad Group is a member of the Benchmark initiative and fully supports the aims of the programme Benchmark has been introduced to improve the standards of installation and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency THE BENCHMARK SERVICE INTERVAL RECORD MUST BE COMPLETED AFTER EACH SERVICE
4. The High Efficiency Pioneers Ideal Boilers P O Box 103 National Ave Kingston Upon Hull HU5 4JN Tel 01482 492251 Fax 01482 448858 Registration No London 322 137
5. d installer or in IE a competent person Loss of system water pressure The gauge H indicates the central heating system pressure If the pressure is seen to fall below the original installation pressure of 1 2 bar over a period of time then a water leak may be indicated In this event conduct the re pressurising procedure see Trouble Shooting Problem 4 If unable to do so or if the pressure continues to drop a CORGI registered installer or in IE a competent person should be consulted DO NOT FIRE THE BOILER IF THE PRESSURE HAS REDUCED TO ZERO FROM THE ORIGINAL SETTING Condensate Drain The condensate drain G 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 CORGI registered installer or in IE a competent person 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 T
6. e 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 CORGI registered installer or in IE a competent person 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 100mm 4 below 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 and bottom clearance allowed when built into a cupboard is 5mm To light the boiler Refer to Frame 1 If a programmer is fitted refer to separate instructions for 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 and the DHW thermostat knob J and CH thermostat knob F to maximum 3 Ensure that all DHW taps are turned off 4 Switch ON the electricity supply to the boiler and check that all external controls e g programmer room thermostat etc are ON 5 Set the mains ON OFF switch to ON The boiler will commence the ignition sequence first supplying heat to preheat the domestic hot water and then to the central heating if required
7. er fires occasionally for approx 2 minutes the Check there is power to the boiler switch A in the ON position and displayed on the controls If Z not displayed then not a boiler fault contact your installer service company Press reset button D for 2 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 reset button D for 2 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 Check external programmer is set to an ON period If already set to an ON period then check the programmer by setting t
8. he appliance should be serviced at least once a year by a CORGI registered installer or in IE a competent person 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 isar User s back 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 raion Solution Boiler is not working for central heating or hot water Boiler is not working for central heating or hot water but attempts to fire by going through 3 ignition attempts Display shows Z F flashing Boiler is not working for central heating or hot water and the display shows L A flashing Boiler is not working for central heating or hot water and the display shows 4A flashing Boiler will not fire for central heating Boiler comes on for domestic hot water without a tap being opened the display shows 2 Boil
9. mains ON OFF switch A to OFF 2 For longer 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 no frost protection is provided and frost is likely during a short absence from home leave the heating controls if fitted at a reduced temperature setting For longer periods the entire system should be drained If the system includes a frost thermostat then during cold weather the boiler should be turned OFF at the time switch if BOILER CONTROLS Legend A Boiler ON OFF switch C Display D Reset button E LED F CH thermostat knob G Condensate drain H Pressure gauge J DHW thermostat knob fitted ONLY The mains supply should be left switched ON with the boiler thermostat left in the normal running position Boiler overheat thermostat This thermostat will shut down the boiler in the event of overheating Should this occur a fault code A will be displayed Press the reset button D and the boiler will relight If the fault recurs turn off the boiler and consult a CORGI registered installer or in IE a competent person Flame failure Should this occur a fault code L F will be displayed Press the rest button D and the boiler will relight If the fault recurs turns off the boiler and consult a CORGI registere
10. o continuous if boiler then fires Contact your installer to rectify the programmer Check room thermostat by turning fully up If 0 is not displayed on the user controls then contact your installer Check for dripping 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 to periodically pre heat the plate heat exchanger to optimise delivery time for domestic hot water to taps or showers display shows t The nature of all combination boilers is to heat up water directly from the incoming mains water supply directly through the boiler to supply domestic hot water at the stated flow rates as shown in the boiler installation instructions to achieve a 35 C temperature rise As the ambient temperature of the cold main varies during the summer and winter months it is likely in the colder winter months that the flow rate will need to be reduced at the outlet taps to achieve the same temperatures achieved in the warmer summer months This is not a fault with the appliance but is relevant to the varying temperature of the incoming cold mains water supply r 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 Tel 01482 498660 www idealboilers com i Ideal
11. talled in accordance with the current edition of I S 813 Domestic Gas Installations the current Building Regulations and reference 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 Connection 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 Important Notes This appliance must not be operated without the casing correctly fitted and forming an adequate seal If the boiler is installed in a compartment then the compartment MUST NOT be used for storage purposes If it is known or suspected that a fault exists on the boiler then it MUST NOT BE USED until the fault has been corrected by a CORGI registered installer or in IE a competent person Under NO circumstances should any of the sealed components on this appliance be used incorrectly or tampered with This appliance is not intended for use by persons including chilcren with reduced physical sensory or mental capabilities or lack of experienc
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