Vokera Hydra user instructions
Contents
1. Hydra HOW TO 3 1 3 2 3 3 3 4 3 5 HOW TO TOP UP THE SYSTEM PRESSURE fig 4 The system pressure mustbe checked periodically to ensure the correct operation of the boiler The needle on the gauge should be reading between 1 and 1 5 bar when the boiler is in an off position and has cooled to room temperature If the pressure requires topping up use the following instructions as a guide e Locate the filling inlet valve found at base of the boiler see fig 4 amp fig 5 e The fillig loop fig 4 may have been disconnected from the filling inlet valve and heating flow valve If so reconnect unscrewing the caps as necessary The filling valve has 3 positions see fig 5 i Vertically up normal operating position ii Turn to the left to horizontal closed position iii Vertically down filling position To fill slowly turn the handle of the filling inlet valve towards the filling position Mains water will be heard to enter the system boiler As the water enters the system boiler the pressure gauge will be seen to rise Pressurise to be tween 1bar amp 1 5 bar when the system is cold DO NOT OVERPRESSURISE Once the desired pressure is achieved turn the filling inlet valve into the normal position HOW TO RESET THE APPLIANCE When the status light is illuminated red the appliance will require to be reset manually Before resetting the boiler ensure that the pressure gauge is indicating the2. 1 6 DIMENSIONS HEIGHT WIDTH DEPTH 820 mm 450 mm 355 mm 1 7 CLEARANCES REQUIRED ABOVE BELOW SIDES FRONT 150 mm 120 mm 25 mm 600 mm 1 8 1 9 FROST PROTECTION SYSTEM The Hydra is equipped with a built in frost protection system this enables the boiler to over ride the time controls if switched off and operate the burner and or pump should the temperature drop below 7 C Please note that the frost protection system is designed to protect the appliance only should frost protection be required for the central heating system additional controls may be required NOTE The frost protection system is reliant on the appliance having a permanent electrical supply and being in a non fault condition ADDITIONAL CONTROLS Additional controls such as an external tempera ture sensor kit or under floor heating safety thermostat are available as optional accessories for this appliance You should consult your installer and or the supplementary instructions supplied on their use if installed GETTING STARTED 2 1 2 2 BEFORE SWITCHING ON Before switching the appliance on please familiarise yourself with e how to isolate the appliance from the gas water and electricity supplies e how to check and top up if necessary the system water pressure e the time clock e any external thermostats and their functions e the appliance controls APPLIANCE CO
3. 5 1 VOKERA MECHANICAL CLOCK Setting the time The time of day can be set by grasping the outer edge of the black dial and turning it in a clockwise direction until the correct time is in line with the white pointer Seiting the switching times The ON periods are set by sliding the black tappets adjacent to the time periods required to the outer edge of the dial The tappets that remain at the centre of the dial will be the OFF periods The smallest switching time ON or OFF is 15 minutes To select Timed mode move the selector switch in the middle of the clock face to the position To select Constant mode move the selector switch in the middle of the clock face to the T position To select Off mode move the selector switch in the middle of the clock face to the O position ON period OFF period Selector switch Fig 5 VOKERA DIGITAL TIME CLOCK Select button British summertime Reset button button Programme Hour button button Minute button Clock button Display Day button 5 2 VOKERA DIGITAL CLOCK The Vokera digital time clock will automatically switch your boiler on and off It has a total of twenty different switching commands consisting of ten on commands and ten off commands Each on or off command can be used to switch the boiler on or off at the same time e Every day of the week e Mo
4. correct level Allow a period of two minutes to elapse before pressing the reset button IMPORTANT If the appliance requires to be reset frequently it may be indicative of a fault please contact your installer or Vokera Customer Services for further advice HOW TO SHUT DOWN THE SYSTEM FOR SHORT PERIODS Turn the time clock to the off position Switch the boiler to OFF mode see section 2 3 1 amp 2 3 2 It is also advisable to turn off the main water supply to the house HOW TO SHUT DOWN THE SYSTEM FOR LONG PERIODS If the house is to be left unoccupied for any length of time especially during the winter the system should be thoroughly drained of all water The gas water and electricity supply to the house should also be turned off For more detailed advice contact your installer HOW TO CARE FOR THE APPLIANCE To clean the outer casing use only a clean damp cloth Do not use any scourers or abrasive cleaners Gas cock Filling inlet valve Heating valves normal operating position closed position filling Fig 5 j position 3 6 HOW TO REGULATE THE HOT WATER TEM PERATURE Usually your installer will have adjusted the hot water output to suit your requirements however if you would like to adjust the outlet temperature please follow the instructions in section 2 4 NOTE If you find that the hot water temperature is still insufficient try reducing the flow of water through th
5. fig 1 If the heating LED is illuminated this indicates that the heating mode is enabled and is controlled via the time clock and any external controls such as a room thermostat If the heating LED is unlit the boiler will not respond to any heat requests from the time clock or room thermostat etc To switch the heating mode ON or OFF press and hold the ff button fig 2 whilst looking at the digital display e C OF indicates the heating mode is switched OFF e C55 orany other number indicating the central heating operating temperature indicates the heating mode is switched ON ON OFF MODES hot water The hot water mode can be switched ON or OFF at the boiler This is indicated by the hot water LED see fig 1 If the hot water LED is illuminated this indicates that the hot water mode is enabled If the hot water LED is unlit the boiler will not respond to any hot water requests whenever a hot water outlet tap is opened To switch the hot water mode ON or OFF press and hold the 7 button fig 3 whilst looking at the digital display e d OF indicates the hot water mode is switched OFF e d 40 or any other number indicating the domestic hot water operating temperature indicates the hot water mode is switched ON The boiler will pre heat the DHW heat exchanger if itis below 55 C however should a hot water outlet be opened the boiler will operate in the domestic hot water mode to supply hot
6. NTROLS fig 1 The appliance controls are concealed behind the front cover To gain access to the controls simply press the cover inwards to release the catch The appliance is equipped with a simple keypad that can be used to alter the following function e the outlet flow temperature to the central heating system e the outlet flow temperature for domestic hot water The pressure gauge shows the current pressure of the system the gauge should be set between 1 and 1 5 bar When the appliance is operating the gauge may rise or fall slightly this is quite normal The minimum permissible level for the safe andefficient operation of the appliance is 0 5 bar Should the pressure fall below 0 5 bar the boiler may lockout Depending on the type of controls specified by your installer you may have an integral Vokera time clock fitted to the appliance if so instructions can be found on page 8 9 If an external time 2 3 2 3 1 2 3 2 2 3 3 2 3 4 clock or programmer has been fitted please refer to the instructions supplied with such LIGHTING THE BOILER Ensure the gas and electrical supply to the boiler are turned on The boiler will now go through a self test and purge sequence indicated by the letter A shown on the left side of the digital display ON OFF MODES heating The heating mode can be switched ON or OFF at the boiler irrespective of the current time clock setting This is indicated by the heating LED
7. Users Instructions Ce THESE INSTRUCTIONS TO BE RETAINED BY USER ES Ob enchmark The code of practice for the installation commissioning amp servicing of central heating systems Contents Introduction Page How to Page Dear customer 2 3 1 Top up the system pressure 6 Do s and don ts 2 3 2 Reset the appliance 6 3 3 Shut down the system for short periods 6 Things you should know Page 3 4 Shut down the system for long periods 6 1 1 Gas appliances 3 3 5 Care for the appliance 6 1 2 Electrical supply 3 3 6 Regulate the hot water temperature 6 1 3 Guarantee registration card 3 1 4 Benchmark log book 3 What if Page 1 5 How does it work 3 4 1 suspect a gas leak 7 1 6 Dimensions 3 4 2 frequently have to top up the system 7 1 7 Clearances required 3 4 3 The status led is red 7 1 8 Frost protection system 3 4 4 The appliance is due its annual service 7 1 9 Additional controls 3 4 5 need to call an engineer 7 Getting started Page Setting the Vokera Page 2 1 Before switching on 3 5 1 Mechanical clock 8 2 2 Appliance controls 3 5 2 Digital clock 8 2 3 Lighting the boiler 4 2 4 Adjusting the operating temperature 4 2 5 Digital display 5 2 6 Fault code table 5 INTRODUCTION Dear Customer Your Vokera Hydra boiler has been designed to meet and exceed the very latest standards in gas central heating technology and if car
8. al time can be changed to account for British summertime by simply pressing then re leasing the 1h button HELPFUL HINTS e You can check and or alter the programme settings at any time by pressing the Prog button e The number of unused commands can be checked by pressing the Prog button until FR is displayed alongside the number of unused commands e In the event of a power failure the clock has a battery back up The programme will be held in the memory for approximately 2 weeks Charging time is 70 hours e Take a note of the settings you have pro grammed as local power surges can some times reset the memory of the clock Hydra NOTE energizing home heating Vok ra Ltd 4 Floor Catherine House Boundary Way Hemel Hempstead Herts HP2 7RP Email enquiries vokera co uk Web www vokera co uk Sales Technical Advice General Enquiries Tel 0870 333 0520 Fax 01442 281403 After Sales Service Tel 0870 333 0220 Vok ra Ireland West Court Callan Co Kilkenny Tel 05677 55057 Fax 05677 55060 Vokera Ltd reserve the right to change the specifications without prior notice Consumers statutory rights are not affected A Riello Group Company a benchmark gt COLLECTIVE MARK Vok ra supports Benchmark Cod 10023776 49 03 Ed 2
9. ance is ON mode with heating or hot water or both activated Status LED permanently Red This indicates that the appliance is in a permanent fault condition and may require to be reset indicated by the relevant fault code displayed see 2 6 Also illuminated during a temporary fault condition ADJUSTING THE OPERATING PARAMETERS Usually your installer will have adjusted the operating temperatures to suit your requirements however should you wish to view or alter them please use the following procedure Central heating temperature e to view or alter the heating operating temperature briefly press the ff button e the central heating LED will now flash and the operating temperature will be shown on the right side of the display see fig 2 e usethe button to adjust the operating temperature if required e press the ff button to save the new setting Hot water temperature eto view or alter the hot water operating tempe rature briefly press the mn button ethe hot water LED will now flash and the operating temperature will be shown on the right side of the display see fig 3 euse the or button to adjust the operating temperature if required epress the pX button to save the new setting Hydra Displays during normal operation Left display shows Current status Stand by mode Purging Ignition Heating mode Hot water mode Fan operation T
10. e tap WHAT IF 4 1 4 2 4 3 4 4 WHAT IF I SUSPECT A GAS LEAK If you Suspect a gas leak turn off the gas supply at the gas meter and contact your installer or local gas supplier If you require further advice please contact your nearest Vokera office WHAT IF HAVE FREQUENTLY TO TOP UP THE SYSTEM Ifthe system regularly requires topping up it may be indicative ofa leak Please contact your installer and ask him to inspect the system WHAT IF THE STATUS LED IS RED If the status led is illuminated red it indicates that the boiler has failed to ignite or has overheated when this happens the boiler automatically shuts down and requires to be reset manually see 3 2 WHAT IF THE APPLIANCE IS DUE ITS ANNUAL SERVICE Advice for tenants only Your landlord should arrange for servicing Advice for homeowners Please contact Vokera Customer Services 0870 333 0220 UK or 05655057 ROI if you would prefer a Vokera service engineer or agent to service your appliance Alternatively your local 4 5 CORGI registered engineer may be able to service the appliance for you WHAT IF NEED TO CALL AN ENGINEER If you think your boiler may have developed a fault please contact your installer or Vokera Customer Services 0870 333 0220 UK or 05655057 ROI have all your details to hand including full address and postcode relevant contact numbers and your completed appliance log book VOKERA TIMECLOCKS
11. ed for will give years of reliable use and efficiency Please therefore take some time to read these instructions carefully Do s and don t s e Do ensure that the system pressure is periodically checked e Do ensure that you know how to isolate the appliance in an emergency e Do ensure that you are familiar with the appliance controls e Do ensure that your installer has completed the appliance log book e Do not attempt to remove the appliance casing or gain internal access e Do not hang clothes etc over the appliance e Do not forget to have the appliance serviced annually 6 5 7 4 Gon B y B C 8 9 Oo Y 10 4 1 hot water selection 2 increase button t 3 mode button 4 digital display 12 5 hot water LED 6 status LED 7 heating LED 8 reset button 9 decrease button 10 heating selector 11 clock aperture 12 pressure gauge Fig 1 THINGS YOU SHOULD KNOW 1 1 1 2 1 3 1 4 1 5 GAS APPLIANCE Gas Safety Installations and Use Regulations In the interests of your safety and that of others it is alegal requirement that all gas appliances are installed and correctly maintained by acompetent person and in accordance with the latest regulations ELECTRICAL SUPPLY Please ensure that this appliance has been properly connected to the electrical supply by means of a double pole i
12. imer delay Pump over run CH Pump over run HW gt o JJOO A oln H oO Self check 2 5 DIGITAL DISPLAY f The digital display shows the current mode of Should a fault occur the left side of the display will show whether the fault is temporary or operation and or status of the boiler permanent indicated by b or E whilstthe right Should a fault develop the display will show a side of the display indicates the unique fault unique fault code that can be used to help rectify code eos the left side of the houda fault code be displayed ERBEN tha ane j fault code table to identify the cause and display indicates the current mode of operation f action to take whilst the right side will show the current u F z temperature Always wait 2 minutes before pressing the reset button 2 6 FAULT CODE TABLE Code Reason Action required E 00 Ignition anomaly Reset appliance if fault continues call engineer E 02 No flame detected Check gas is on reset appliance if fault continues call engineer E 03 Internal fault Call engineer E 04 Power failure Reset appliance if fault continues call engineer E05 Internal fault Call engineer E 06 Internal fault Call engineer E07 Internal fault Call engineer E11 Internal fault Call engineer E12 Appliance overheat Reset appliance if fault conti
13. isplay see fig 9 e Press the Day button until the desired group of days or desired day is shown e Press the h button until the desired hour for switching the boiler on is shown Hydra e Press the m button until the desired minutes are shown e Press the Select button until the symbol is shown see fig 10 e Press the button Fig 9 Fig 10 5 2 4 ENTERING off COMMANDS e Repeatedly press the Prog Button until the symbol appears in the clock display fig 5 e Press the Day button until the desired group of days or desired day is shown e Press the h button until the desired hour for switching the boiler off is shown e Press the m button until the desired minutes are shown e Press the Select button until the C symbol is shown see fig 11 e Press the 6 button Once the programming has been completed you will have to press the Select button once only to the e on position if the boiler has been programmed to be on at that particular time Fig 11 5 2 5 ADVANCING OR LOCKING PROGRAMME COMMANDS By pressing the Select button you can advance the time clock to the next command setting from on to off or off to on or lock the time clock to a particular command on continuously or off continuously ON e O OFF ON CONTINUOUSLY e O OFF CONTINUOUSLY NOTE The actu
14. nday to Saturday e Monday to Friday e Saturday and Sunday e Any particular day Example Group of days On Off Commands used Mon to Fri 06 00 09 00 2 Mon to Fri 16 00 21 00 2 Sat amp Sun 08 30 10 30 2 Sat amp Sun 17 00 23 00 2 Total 8 used Commands free 12 unused 8 Fig 6 5 2 1 BEFORE PROGRAMMING Gently press and release the Res button with a pencil or similar this will clear the memory of all information This should only be done when you want to change or insert a complete new programme SETTING THE TIME OF DAY The real time clock has to be set to the actual day of the week and time of day to do this e Press and hold the button see fig 7 e Press the Day button until the actual day shows in the display 1 Monday 2 Tuesday 3 Wednesday etc If setting the clock during British summertime press the 1h button once use a pencil or similar Press the h button until the actual hour is shown in the display Press the m button until the actual minutes are showing in the display Now release the button The symbol between the hours and minutes display will start to flash this indicates that the clock is now keeping time see fig 8 5 2 2 Fig 7 5 2 3 Fig 8 ENTERING 2 on COMMANDS e Repeatedly press the Prog Button until the symbol appears in the clock d
15. nues call engineer E 13 Internal fault Call engineer E 14 Internal fault Call engineer E15 Internal fault Call engineer E 16 Internal fault Call engineer E17 Internal fault Call engineer B18 Appliance overheat Ensure radiators are on E18 Appliance overheat Reset appliance if fault continues call engineer B19 Appliance overheat Ensure radiators are on E19 Appliance overheat Reset appliance if fault continues call engineer B 24 Temperature anomaly If fault continues call engineer B25 Temperature anomaly Check pressure gauge E 25 Temperature anomaly Check pressure gauge reset appliance if fault continues call engineer B 26 Condensate pipe blocked Check outlet of condense pipe if problem persists call engineer B 28 Insufficient fan speed If fault continues call engineer E 28 Fan problem Reset appliance if fault continues call engineer B 29 Fan speed problem If fault continues call engineer E 29 Fan problem Reset appliance if fault continues call engineer B 30 Temperature anomaly Check pressure gauge E 30 Temperature anomaly Check pressure gauge reset appliance if fault continues call engineer E 31 Internal fault Call engineer E 32 Internal fault Call engineer E 33 Internal fault Call engineer E 36 Internal fault Call engineer E 37 Internal fault Call engineer E 38 Internal fault Call engineer E 44 Internal fault Call engineer E 60 Programming fault Call engineer B 65 Insufficient fan speed If fault continues call engineer
16. solator or un switched socket and that the correct size of fuse 3 amp has been fitted Warning this appliance must be earthed GUARANTEE REGISTRATION CARD Please take the time to fill out your guarantee registration card The completed warranty card should be posted within 30 days of installation BENCHMARK LOG BOOK The Benchmark Log Book is supplied with your boiler This important document must be completed during the installation commissioning of your boiler All CORGI Registered Installers carry a CORGI ID card and have a registration number Both should be recorded in your Benchmark Log Book You can check your installer by calling CORGI direct on 01256 372300 Failure to install and commision the appliance in accordance with the manufacturers instructions may invalidate the warranty This does not affect your statutory rights HOW DOES IT WORK Your Hydra boiler is a high efficiency combination boiler which supplies heated water to your radiators and hot water to your taps The central heating is controlled via a time clock and or any thermostats that your installer may have fitted The boiler will light when a hot water outlet a tap is opened The boiler also functions periodically to pre heat the hot water heat exchanger The Hydra boiler lights electronically and does not have a pilot light In the unlikely event of a fault developing with your boiler the supply of gas to the burner will be terminated automatically
17. water to the tap On completion of the pre heat function the boiler will revert to the stand by mode indicated by 0 shown in the left side of the digital display HEATING REQUEST When there is a demand for heating via the time clock the boiler will go through an ignition sequence whereby the burner will light When the appliance reaches the set temperature the burner will go off for minimum period of approximately 90 seconds When the programmer time clock or external thermostats heating request has been satisfied the appliance will switch off automatically HOT WATER REQUEST When a hot water outlet or tap is opened the boiler senses a change of inlet temperature and initiates an ignition sequence The boiler will modulate the output according to the temperatu 2 3 5 2 4 re required when the hot water request has been satisfied the boiler may continue to operate if the pre heat function is required NOTE If the appliance fails to ignite during the ignition sequence it will re attempt ignition several times before going to a lockout condition Should this occur please allow a period of two minutes before re setting STATUS LED fig 1 The appliance status LED indicates whether the boiler is in OFF mode ON mode or fault condition Status LED flashing Green Indicates the appliance is in the OFF mode with electrical supply and frost protection active Status LED permanently Green Indicates the appli
Download Pdf Manuals
Related Search