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Ideal Boilers

, P.O. Box 103, National Ave, Kingston upon Hull, HU5

4JN. Telephone:  01482 492 251 Fax: 01482 448 858. Registration
No. London 322 137.

Technical Training

Ideal Stelrad Group

 pursues a policy of continuing improvement

in the design and performance of its products. The right is
therefore reserved to vary specification without notice.

The Ideal Boilers Technical Training Centre offers a series of first class training courses for domestic, commercial and
industrial heating installers, engineers and system specifiers.  For details of courses please ring: .......... 01482 498 432

Ideal Installer/Technical Helpline: 01482 498 376

www.idealboilers.com

Summary of Contents for F400

Page 1: ...lacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not...

Page 2: ...as MJ m3 b For ft h3 divide the gross heat input Btu h by the gross C V of the gas Btu ft3 HEALTH SAFETY DOCUMENT NO 635 The electricity at work regulations 1989 The manufacturer s notes must NOT be t...

Page 3: ...es GB IE Key to symbols IE Ireland GB United Kingdom Countries of destination PMS Maximum operating pressure of water C53 A room sealed appliance which is connected via its separate ducts to two termi...

Page 4: ...recommendations are contained in the following Standards and Codes of Practice BS 5854 Flue and flue Structures in Buildings BS 6644 Installation of gas fired hot water boilers of rated inputs between...

Page 5: ...9 235 162 116 Length m If the high level air inlet kit supplied with this appliance is to be utilised the following table shows the approximate maximum straight flue lengths and pressures available Bo...

Page 6: ...ock out of the boiler The lower the return temperature to the boiler the higher the efficiency At return temperatures of 55o C and below the difference becomes marked because the water in the flue gas...

Page 7: ...ECTION KIT FITTED All dimensions shown in mm im9615 Boiler Size SIDE VIEW FRONT VIEW PLAN VIEW REAR VIEW G Flow Return 17 Condensate Drain 110 91 Gas 113 Air Inlet Flow Connections R2 Return Connectio...

Page 8: ...AND CONNECTIONS VERTICAL FLUE CONNECTION KIT FITTED All dimensions shown in mm 110 High Level Air Inlet Kit If Fitted Boiler Size REAR VIEW Return Connection R2 Air Inlet Ducts O110 Slave Module Cond...

Page 9: ...00 mm of the ceiling Open Flued Installations If ventilation is to be provided by means of permanent high and low vents communicating direct with outside air then reference can be made to the sizes be...

Page 10: ...6 SEALED SYSTEM REQUIREMENTS Open Vent Pipe Sizes Rated output Minimum bore Nominal Size DN kW m m in 301 to 600 38 1 1 2 Steel pipe sizes complying with medium or heavy quality or BS 1387 Cold Feed...

Page 11: ...i 12 Control Module 14 Damper Relay Board 19 Union Gas cock 20 Levelling feet 22 Heat exchanger 24 Sightglass 27 Burner manifold 31 Thermistor flow 33 Air pressure switch 37 Relay 38 Cable conduit 47...

Page 12: ...OM PALLET To unpack the modules Carefully remove the straps and lift off the casing assembly pack master only Open Master Module box and remove literature pack Remove the protective cardboard fittings...

Page 13: ...e hinge lugs 6 Remove and discard fascia retaining bracket x 4 from Slave and Master modules 9 ASSEMBLING THE MODULES 4 Control Fascia Panel Slave Module Remove 2 screws securing the outer fascia pane...

Page 14: ...eet using a 13mm spanner Check module with spirit level IMPORTANT ENSURE MODULE IS LEVEL IN BOTH DIRECTIONS TO ENSURE SATISFACTORYASSEMBLY 9 Remove 4 screws on each control box support channel and dis...

Page 15: ...cated in casing assembly pack 15 Fit master fascia panel securing with 2 x M4 screws Ensure ribbon cable is re fitted 14 Place top panel onto both modules and secure at rear with 2 x M5 screws supplie...

Page 16: ...Flue Tube E Connector C Bend x 87o F Adaptor REAR VIEW Flue Sampling Point A D B C im9161 Air inlet duct O110 AIRDUCT Combustion air can be drawn directly from the boiler room using the high level air...

Page 17: ...inlet grille to 110 dia tube and fix with the 3 off self tapping screws provided 5 Using the existing screws holding the upper or centre back panel to the boiler fit the support bracket assembly and r...

Page 18: ...pendently supported Plastic plugs fitted on the open ends of the flow and return pipes must be removed before connecting the system pipework An air vent must be provided immediately after the flow con...

Page 19: ...gulations and any local regulations For Ireland reference should be made to the current ETCI rules for electrical installations Connection should be made in a way that allows complete isolation of the...

Page 20: ...see Frame 31 Connect switched live to Master Module terminal marked CH CALL 2 Programmable Room Thermostat Kit The programmable room thermostat kit incorporates a room temperature sensor and a progra...

Page 21: ...80o C 21 DHW CONTROLS CONNECTIONS DHW heat demand can be controlled by 1 ON OFF using a 230V switched to live DHW call terminal e g a cylinder thermostat and or programmer A call for heat will cause t...

Page 22: ...10V INPUT BS RY1 RY2 Note For BS open circuit is on closed circuit is off TTL DISPLAY TB2 FUSE LEGEND NTC1 NTC2 NTC5 NTC7 PW R1 R2 RY1 RY2 GV BS APS1 KEY Flow thermistor Return thermistor Flue thermi...

Page 23: ...re 1 TTL g GV PWM E L N TACH APS1 NTC5 NTC7 NTC1 NTC2 PW b b br bk bk w w g v bk bk b r pk y w v r pk w br br b br br 3 2 1 y g y g y g LEGEND NTC1 NTC2 NTC5 NTC7 PW R1 R2 RY1 RY2 GV BS APS1 KEY Flow...

Page 24: ...raulic bypass will be required to allow pump overrun See pages 6 and 10 for details Frost Stat if required 230 VAC Permanent mains supply Switched live 230 VAC from external controls generating call f...

Page 25: ...ponding with a set flow temperature set by parameter 4 see Frame 31 If all zones are fitted with individual zone valves a hydraulic bypass will be required to allow pump overrun See page 6 and 10 for...

Page 26: ...h to have a 3 way valve normally open towards the storage tank DHW circuit from AB to B Upon CH request terminal L on DHW PUMP OR VALVE is energised which through a relay powers the 3 way valve thus c...

Page 27: ...erforms a selfcheck i e the DHW valve is energised and the CH pump is switched on for 10 seconds This cycle repeats itself every 24hrs as long as no heat request is given in 24hrs Burner on off switch...

Page 28: ...ve when the parameter mode is left 31 STANDARD CONTROLS ACCESS Modes of Operation The standby parameter and information modes are accessible without the service code Standby Mode P A R A Press Display...

Page 29: ...r kit not fitted 4 3 6 N A FLUE GAS Temperature T5 o C Set Flow Temperature o C 5 7 0 6 8 2 7 0 0 Rate of Return Temperature Rise o C s 8 0 0 Rate of Flow Temperature Rise o C s 9 0 0 N A A 3 6 N A Fl...

Page 30: ...00 thousands 10 thousands I 0 0 Boiler Control Module Internal Temperature o C Number of Ignitions CH tens units Number of Ignitions CH thousands hundreds Info mode cont d continued Burner Run Hours C...

Page 31: ...iption Min Load Run for 15 mins Press the mode and button simultaneously for 3 seconds H 8 0 Press Display Description Max Load Run for 15 mins OR Last 3 digits are actual flow temperature This mode w...

Page 32: ...of access MUST NOT be entered by the user Code Mode By entering the service code the following additional features are accessible Parameters 5 to 53 Fan Speed Mode Communication Mode Error Mode Code M...

Page 33: ...for 1 second then 10 Minimum outside temperature o C 20 10 05 Coldest outside temp the system is designed to work against 11 P11 Maximum outside temperature o C 15 25 20 Warmest outside temp the syst...

Page 34: ...F400 25 F480 Do not Do not 25 F560 adjust adjust 25 3 5 28 P28 P23 Maximum fan speed CH units F320 00 F400 00 F480 Do not Do not 00 F560 adjust adjust 00 P24 Maximum fan speed DHW hundreds F320 52 F4...

Page 35: ...35 DHW modulation hysteresis on o C Do not Do not 03 Master adjust adjust 02 Slave 0 5 36 P36 DHW modulation hysteresis off o C Do not Do not 03 Master adjust adjust 10 Slave 0 5 37 P37 0 3 0 3 0 0 0...

Page 36: ...rvice use 01 100 01 Note 1 off 00 min fan speed 50 mid rate 100 max fan speed 48 49 50 51 N A 53 Low Off cycle 00 x0 off x1 on Special pump function CH DHW 0x CH normal pump function DHW normal pump f...

Page 37: ...st error is shown and the boiler status and readings at that time are available The 1st digit flashes and shows the current step The last two digits show the error code Error code see Table on pages 5...

Page 38: ...measure the CO2 values at maximum and minimum rates whilst adjusting the gas valves if necessary Refer to Frame 51 9 Operate the boiler for 10 minutes and check the gas rate Table 1 You should obtain...

Page 39: ...and measure the combustion CO CO2 content Refer to Frame 51 for reference on how to force the burner to maximum and minimum gas rates The CO CO2 ratio of the flue gas on each module should not be gre...

Page 40: ...operates at minimum rate without modulating set the fan speeds to minimum 10 To set the fan speed to minimum Press and hold in the mode and buttons simultaneously on the Master Module The display wil...

Page 41: ...screws from the other side The panel will now slide to one side for removal REPEAT PROCEDURE FOR SLAVE MODULE 4 To remove completely release the ribbon cable from the display board raise slightly and...

Page 42: ...Frame 49 2 Remove the jacket front inner front jacket right jacket top and controls fascia panels Refer to Frame 52 3 Disconnect the electrical connections from the fan 4 Remove 4 bolts securing inle...

Page 43: ...ls gaskets which show signs of wear When re fitting the burner there are 2 small lugs cast into the end of the combustion chamber which support the end of the burner REPEAT PROCEDURE FOR SLAVE MODULE...

Page 44: ...front controls fascia top and side panels Refer to Frame 52 3 Place a container beneath the condensate trap to collect the condensate contained within 4 Remove bottom nut plug from the condensate tra...

Page 45: ...he clip over the pressure sensing tube using pliers to apply the grip Replace gas valve inlet outlet O rings if showing signs of wear 10 Refer to instruction sheet with spare gas valve for correct set...

Page 46: ...e HT and earth leads from the spark detection electrode 7 Remove the 2 nuts and washers 8 Check the electrode gap is 4 0mm 9 Replace the electrode using the new gasket provided 10 Re assemble in rever...

Page 47: ...he air in the heat exchanger is vented 9 Refer to Frame 49 for final safety checks 4 A 64 FLOW RETURN HEAT EXCHANGER FLUE THERMISTOR REPLACEMENT 1 Refer to Frame 49 2 Remove the jacket panels as appro...

Page 48: ...to the left Remove from boiler 6 Re assemble in reverse order 7 Refer to Frame 49 for final safety checks 65 TRANSFORMER REPLACEMENT 4 66 CONTROL MODULE REPLACEMENT 1 Refer to Frame 49 2 Remove the fr...

Page 49: ...n reverse order 7 Refer to Frame 49 for final safety checks 4 3 68 DISPLAY BOARD REPLACEMENT 1 Refer to Frame 49 2 Remove the front and inner front panels Refer to Frame 52 3 Squeeze tab and pull to r...

Page 50: ...the module that the air damper is to be removed 5 Remove 2 x M5 nuts retaining air duct lower support bracket on module that the air damper is to be removed Remove bracket 6 Pull air duct assembly for...

Page 51: ...n ALSO CHECK BOTH OT CENTERS ARE CORRECTLYCONFIGURED SEEFRAME22 The boiler control module has replaceable fuses protecting the 230V and 24V circuits A common reason for the 230V fuse to blow would be...

Page 52: ...r damper is opening Check flue for blockage Check clean burner Check Air Pressure Switch sensing pipes condition Check fan speed Check air Pressure Switch replace if necessary 11 EPROM read write erro...

Page 53: ...Failure Check wiring harness connections If wiring OK replace control module 52 Flue gas temperature too high Check no air in system or boiler Check adequate flow of water through boiler 60 Error rea...

Page 54: ...ort circuit Check wiring Disconnect terminals from thermistor confirm short circuit using meter Replace thermistor 38 Tank sensor open circuit Not fitted check parameter 46 settings 40 Flue thermistor...

Page 55: ...ave 1 174 668 F400 Master 1 174 669 F400 Slave 1 174 670 F480 Master 1 174 671 F480 Slave 1 174 672 F560 Master 1 174 673 F560 Slave 1 174 674 13 Display Board 1 172 660 14 Alarm Boiler Run Relays Boa...

Page 56: ...56 xtra Installation Servicing SHORT LIST OF PARTS 72 SHORT LIST 21 37 31 im8475b 47 51 52 54 59 36 12 3 13 14 9 33 8 28 29 26...

Page 57: ...57 xtra Installation Servicing NOTES...

Page 58: ...58 xtra Installation Servicing NOTES...

Page 59: ...59 xtra Installation Servicing NOTES...

Page 60: ...nt in the design and performance of its products The right is therefore reserved to vary specification without notice The Ideal Boilers Technical Training Centre offers a series of first class trainin...

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