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OPTIMAX HE PLUS 38 C

Cod. 3540I892 - 02/2009 (Rev. 00)

Fault

Possible cause

Cure

F12

DHW sensor fault

Sensor damaged

Check the wiring or replace the sensor

Wiring shorted

Wiring disconnected

F13

Flue sensor fault

Sensor damaged or wiring shorted

Check the wiring or change the sensor

Sensor damaged or wiring broken

Check the wiring or change the
sensor

F14

Flow sensor fault

Sensor damaged or short circuited

Check the wiring or change the sensor

Sensor damaged or wiring broken

Check the wiring or change the sensor

F15

Fan problem

Tachometer signal interrupted, fan
connection

Check the wiring and fan

Fan damaged, debris in fan

Check the fan, clean debris

F34

Supply voltage under 170V.

Electric supply problem

Check the electrical system

F35

Irregular mains frequency

Electric supply problem

Check the electrical system

F37

Incorrect system water pressure

Pressure too low

Fill the system

Sensor damaged

Check the sensor

F39

External probe fault

Sensor damaged or short-circuited

Check the wiring or change the sensor

F42

Flow sensor fault

Sensor damaged

Change the sensor

Содержание Optimax HE Plus 38 C

Страница 1: ...AX HE PLUS 38 C wall mounted gas fired pre mix condensing combination boiler cod 3540I892 02 2009 Rev 00 G C n 47 267 45 INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE Seasonal Efficiency SED BU K band A ...

Страница 2: ...red engi neer The appliance may not be used for purposes other than those for which it was explicitly designed Any other use is considered improper and therefore dan gerous Incorrect installation and use or failure to follow the instructions provided by the manufacturer absolve the manufacturer from all liability for damage Afterunpacking checkthatthecontentsarecomplete and undamaged Keep the pack...

Страница 3: ... water connections 14 2 4 Connection to the gas system 16 2 5 Electrical Connections 16 2 6 Flue system 18 2 7 Condensate outlet connection 23 3 SERVICE AND MAINTENANCE 25 3 1 Adjustments 25 3 2 System start up 26 3 3 Maintenance 27 3 4 Troubleshooting 29 4 TECHNICAL CHARACTERISTICS AND DATA 31 4 1 Dimensions and connections 31 4 2 General view and main components 32 4 3 Hydraulic diagram 33 4 4 T...

Страница 4: ...n The boiler is totally room sealed from the installation room the air needed for combustion is drawn from outside The boiler also includes a modulating speed fan modulating gas valve pump expansion vessel safety valve flow sensor temperature sensors a safety thermostat and a low water pressure switch Thanks to the twin microprocessor control and adjustment system with advanced self diagnosis unit...

Страница 5: ...ol 9 Domestic Hot Water mode operation 11 Multi function indication Flashing during heat exchanger protection 12 Economy symbol 13 Central Heating mode operation 14 Central Heating symbol 15 Burner on and actual load indication Flashing during flame current supervision Indication during boiler operation Central Heating mode The Central Heating heat demand generated by the OpenTherm Remote Control ...

Страница 6: ...reezing during long shutdowns in winter it is advisable to drain all water from the system Ignition Ensure the power is on to the appliance For the firsts 120 seconds the display shows FH that identifies the Air purge function During the first 5 seconds the display shows the software version of the pcb Open the gas cock on the boiler and purge the air from the pipework upstream of the gas valve Wh...

Страница 7: ...rost protection will still be active To totally isolate close the gas cock ahead of the boiler and disconnect electrical power To avoid damage caused by freezing during long shutdowns in winter it is advisable to drain all water from the system To turn boiler on again press part 7 fig 1 for 5 seconds The boiler is ready to function automatically whenever the external controls are calling for heat ...

Страница 8: ...a room thermostat Using the room thermostat set the temperature desired Controlled by the room thermostat the boiler lights and heats the system water to the system delivery setpoint temperature The burner shuts down when the desired temperature in the room is reached A room thermostat and programmer are a mandatory requirement Building regulations Doc L 2002 Room temperature adjustment using an o...

Страница 9: ... tem perature compensation mode In O T C mode the temperature of the heating system is controlled according to the external climate conditions this will guarantee a high degree of comfort and energy saving all year round By the CH push buttons Part 3 and 4 fig 1 is possible to set the maximum flow temperature for the installation O T C setting To enter the OTC mode press reset Part 6 fig 1 for 5 s...

Страница 10: ...2009 Rev 00 To exit the OTC mode press reset Part 6 fig 1 for 5 seconds fig 13 fig 14 Maximum boiler flow temperature Outside temperature Outside temperature Outside temperature Maximum boiler flow temperature Maximum boiler flow temperature ...

Страница 11: ...eration must be reset manually by pressing the reset Part 6 fig 1 for 1 second Other faults F indication cause temporary shutdowns that are automatically reset as soon as the value causing the fault comes back within the boiler s normal working range Listed below are some anomalies that can be caused by simple user solvable problems If the problem remains after two attempts at resetting contact th...

Страница 12: ...lation can cause damage or physical injury for which the manufacturer declines any responsibility This appliance must be installed strictly in accordance with these instructions and regulations The Gas Safety Regulations Installations Use The Local Building Regulations The Building Regulations Part L The Buildings Standards Scotland Consolidated Regulations British Standards Codes of Practice B S ...

Страница 13: ...wall The wall fixing must ensure a stable and effective support for the appliance using the bracket and fixings supplied If the unit is enclosed in a cupboard or moun ted alongside there must be space for normal maintenance work Fig 15 and tab 1 gives the minimum clearances to leave around the unit Safe Handling of Substances Care should be taken when handling the boiler insulation panels which ca...

Страница 14: ...he pipes of the heating system to remove residues or impurities that could affect the unit s operation BS 7593 Building regs Doc L Make the connections to the appliance as shown in fig 16 Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm 3 Gas inlet 22 mm with isolation valve fitted 4 Cold main inlet 15 mm with isolation valve fitted 5 System return 22 mm with isolation valve ...

Страница 15: ...se of mains water to charge and pressurise the system directly is conditional upon the Local Water Byelaws Again any such connection must be disconnected after use A filling connection is supplied with the valve set in the boiler box Attention is drawn to the Model Water Byelaws Key A Cold water inlet valve B Double check valve C Blanking cap D Removable connection E Blanking plug F Isolation valv...

Страница 16: ...ipework must be adquately supported An isolating gas valve is provided and should be fitted on the boiler gas inlet Please wait 10 minutes when lighting from cold before checking Gas pressures should be checked after the boiler has operated for 10 minutes to reach thermal equilibrium This appliance has no facility to check the burner pressure however if the inlet pressure and the gas rate are corr...

Страница 17: ...ctric power cable use only HAR H05 VV F 3x0 75 mm2 cable with a maximum outside diameter of 8 mm Access to the electrical terminal block Follow the instructions given in fig 20 to access the electrical connection terminal board The layout of the terminals for the various connections is given in the wiring diagram in the Technical Data chapter Key 72 Room thermostat Volt Free 138 Outside temperatur...

Страница 18: ...nstallation it is first necessary to check that the flue system does not exceed the maximum permissible length The current standards and local regulations must be observed It should be noted that only Ferroli flue system and accessories should be used on this appliance as per BS 5440 2000 and C E test certification Room thermostat CAUTION THE ROOM THERMOSTAT MUST HAVE VOLTAGE FREE CONTACTS CONNECT...

Страница 19: ...and causing dripping Starting accessory for coaxial ducts Before proceeding with installation check with table 2 that the maximum permissible length is not exceeded bearing in mind that every coaxial bend gives rise to the reduction indicated in the table For example a Ø 60 100 duct compris ing a 90 bend 1 horizontal metre has a total equivalent length of 2 metres Table 2 Max length coaxial ducts ...

Страница 20: ... sure the maximum permissible length has not been exceeded by means of a simple calculation 1 Establish the layout of the system of split flues including accessories and outlet terminals 2 Consult the table 4 and identify the losses in meq equivalent metres of every element according to the installation position 3 Check that the sum total of losses is less than or equal to the maximum permissible ...

Страница 21: ...ble 4 Accessories Losses in meq Air inlet Fume exhaust Vertical Horizontal Ø 80 PIPE 1 m M F 1KWMA83W 1 0 1 6 2 0 BEND 45 M F 1KWMA65W 1 2 1 8 90 M F 1KWMA01W 1 5 2 0 PIPE SECTION with test point 1KWMA70W 0 3 0 3 TERMINAL air wall 1KWMA85A 2 0 fumes wall with antiwind 1KWMA86A 5 0 FLUE Split air fumes 80 80 1KWMA84U 12 0 ...

Страница 22: ...rminal on the same wall Vertically from a terminal on the same wall From an opening in the car port e g door window into the dwelling Above ground roof or balcony level 300mm 300mm 300mm 200mm 75mm 200mm 150mm 100mm 300mm 600mm 300mm 300mm 150mm 1200mm 1200mm 1500mm N A A B C D E F G H I J K L M N O P Q NOTE N A Not applicable In addition the terminal should not be nearer than 150mm fanned draught...

Страница 23: ...ermissible with a vertical progression and with no constrictions Have the flue conveying the hot fumes adequately distanced or isolated from combustible mate rials Be connected to just one unit per floor for at most 6 units in all 8 if there is a compensation duct or opening Have no mechanical suction devices in the main ducts Be at a lower pressure all along their length under conditions of stati...

Страница 24: ...stic not copper as the condensate has a ph value of 4 slightly acidic Where it is not possible to terminate internally the condensate discharge pipe may be run outside see below drawing Any external run is subject to freezing in severe weather conditions To avoid this the pipework should be installed to dispose of the condensate quickly with as much as possible run internally before passing throug...

Страница 25: ...lip C and remove gas pipe A from the fan venturi assembly 4 Replace nozzle B inserted in the gas pipe with that contained in the conversion kit 5 Reassemble gas pipe A with the clip and check the seal of the connection 6 Apply the label contained in the conversion kit near the dataplate 7 Refit the sealed chamber and casing 8 Modify the parameter for the type of gas put the boiler in standby mode ...

Страница 26: ...oiler Vent and spin the pump Ensure the flue system is correctly fitted including terminal locations Ignition Open the gas valve upstream of the boiler Purge the air from the installation pipework to the appliance Switch on the boiler electrical supply Press the key on the boiler for 5 seconds part 7 fig 1 The boiler is now ready to function automatically whenever there is a demand on the boiler I...

Страница 27: ...lue terminal and ducts must be free of obstructions and leaks The gas and water systems must be sound The burner and exchanger must be clean The electrodes must be free of deposits and correctly positioned The system pressure when cold must be approx 1 bar otherwise bring it to that value The expansion vessel must be filled to 1 bar cold with zero system pressure The gas flow and pressure must cor...

Страница 28: ...ing to the sealed chamber gaskets cable clamps etc In addition it is necessary to pay attention after performing all these operations to check and carry out all the phases of ignition and thermostat operation the gas valve and circulation pump After these checks make sure there are no gas leaks Combustion analysis Itispossibletoanalysethecombustionthrough the air and flue sampling points shown in ...

Страница 29: ...n board defective Check the PCB A03 High limit protection Flow temperature sensor not active or correctly located Check the correct positioning and operation of the flow sensor No system circulation Check the pump and radiator valves present in the system Check operation of the internal by pass A04 Flue gas fault Fault F07 happened 3 times in the last 24 hours Check the flue A05 Fan problem Tachom...

Страница 30: ...the sensor Sensor damaged or wiring broken Check the wiring or change the sensor F15 Fan problem Tachometer signal interrupted fan connection Check the wiring and fan Fan damaged debris in fan Check the fan clean debris F34 Supply voltage under 170V Electric supply problem Check the electrical system F35 Irregular mains frequency Electric supply problem Check the electrical system F37 Incorrect sy...

Страница 31: ...on valve fitted c w filter 6 Pressure Relief Valve 7 Condense outlet Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm 3 Gas inlet 22 mm with isolation valve fitted 4 Cold main inlet 15 mm with isolation valve fitted 1 2 3 4 6 5 7 76 120 120 134 194 330 450 700 97 94 54 51 80 5 73 5 179 2 231 2 eco comfort reset 1 2 3 4 0 BAR fig 31 ...

Страница 32: ...t 22 Main burner 29 Internal flue collar 32 Heating pump 36 Automatic air vent 37 Cold water inlet filter 39 Cold water flow limiter 42 D h w temperature sensor 44 Gas valve 56 Expansion vessel 82 Ionisation electrode 95 Motorised Diverting valve 114 Water pressure switch 136 Flow meter 145 C h pressure gauge 154 Condensate outlet pipe 161 Heat exchanger 186 Return temperature sensor 188 Spark Ele...

Страница 33: ...eturn 14 Heating Pressure Relief safety valve 16 Premix fan assembly 32 Heating pump 36 Automatic air vent 42 D h w temperature sensor 44 Gas valve 56 Expansion vessel 95 Motorised Diverting valve 114 Water pressure switch 136 Flow meter 154 Condensate outlet pipe 161 Heat exchanger 186 Return temperature sensor 193 Siphon 194 Domestic plate Heat exchanger 241 Automatic by pass valve 278 Double se...

Страница 34: ...rate flues D 80 meq Measurement given in equivalent linear metres cfr FERROLI calculation system Electrical power supply Max electrical power absorbed W Electric power drawn by the circulator Speed I II III W 20 90 95 3 0 8 10 1 2 21 6 18 0 12 6 40 55 9 0 25 700 450 330 42 Ø22 Ø22 Ø15 55 140 60 65 70 Powers Hi Heating power Natural Gas delivery G20 Natural Gas supply pressure G20 LPG flow rate G31...

Страница 35: ...0 4 5 Diagrams Head available for the system fig 34 Key 1 2 3 Pump selector positions In order to obtain maximum hot water output the pump must be left in position 3 A Boiler losses of head 0 1 2 3 4 5 6 7 0 500 1 000 1 500 2 000 Q l h H m H2O A 3 1 2 ...

Страница 36: ...alve 62 Time clock optional 72 Room thermostat 81 Spark Electrode 82 Ionisation electrode 95 Diverting valve 101 Main p c b 104 Fuse 114 Water pressure switch 136 Flowmeter 138 Outside temperature sensor 139 Room unit 186 Return temperature sensor 191 Flue temperature sensor 202 Transformer 230V 24V 203 230v A C switched supply 278 Double sensor Safety Heating ...

Страница 37: ......

Страница 38: ...TED FOR THE DOMESTIC HOT WATER MODE MEASURE RECORD GAS RATE ft3 hr MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE mbar COLD WATER INLET TEMPERATURE C HOT WATER OUTLET TEMPERATURE C WATER FLOW RATE lts min FOR CONDENSING BOILERS ONLY CONFIRM THE FOLLOWING THE CONDENSATE DRAIN HAS BEEN INSTALLED IN ACCORDANCE WITH THE MANUFACTURER S INSTRUCTIONS YES FOR ALL INSTALLATIONS CONFIRM THE FOLLOWING THE H...

Страница 39: ...NTS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 5 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 6 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 7 DATE ENG...

Страница 40: ...t down check this is not caused by lack of electricity supply gas supply or low water pressure before calling our Customer Service Helpline Lichfield Road Branston Industrial Estate Burton Upon Trent Staffordshire DE14 3HD Tel 08707 282 885 Fax 08707 282 886 Should you require any assistance during the installation call our Technical Service Helpline on 08707 282 885 option 1 Should you require a ...

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