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Vokèra Warranty Terms and Conditions 

Vokèra Ltd offer customers the comfort of a parts and labour warranty repair service subject to the following terms 

and conditions.
Vokèra Ltd only obligation under the guarantee shall be to repair or replace the faulty appliance at Vokèra Ltd 

discretion. This will be carried out where a fault arises from defects within the appliance, caused by either material 

or workmanship of the manufacturer.
1.  The boiler must have been installed and commissioned within 12 months of manufacture by a registered Gas 

Safe (RGII ROI) installer in accordance with the guidelines in the installation and servicing booklet provided 

with the boiler.

2.  This guarantee does not protect malfunction or damage arising from incorrect installation, commissioning or 

maintenance procedures, as laid out in the installation handbook, inefficient flue system, poor or incorrect 

electricity, wrong gas supply or pressure, tampering by inexperienced persons and any other cause not directly 

due to manufacture.

3.  Vokèra Ltd cannot accept responsibility for any costs arising from repair or maintenance carried out by any third 

party.

4.  The “Benchmark” commissioning sheet must be completed by the installer and left with the boiler for reference 

purpose.

5.  The warranty will commence from the date of installation. Without proof of purchase ie an invoice or completed 

“Benchmark” commissioning sheet, the warranty will commence from the date of manufacture as detailed on 

the appliance data plate.

6.  To qualify for the full term of warranty, the boiler must be serviced once annually by a Gas Safe Registered 

Engineer (RGII ROI). Proof of annual service in accordance with the manufacturer’s instructions must 

be provided (e.g. Benchmark Service Record). If this condition is not met the period of warranty will 

extend to only 12 months from date of installation.

By registering your appliance, you will be helping us provide you with the best after sales service in the unlikely 

event that your boiler requires attention during the guarantee period. 

Register online: www.vokera.co.uk (UK) or www.vokera.ie (ROI) 

If the boiler suffers a mechanical or an electrical breakdown or you require an annual service, please contact our  

Customer Care Centre on: 

UK: 01274 866100
ROI: 056 7755057 
Our normal working hours, excluding Bank holidays are: 
8.15am - 5.00pm Monday to Friday
8.00am - 12.00pm Saturday (UK only) 

We will arrange for an engineer or appointed agent, to inspect and repair, or where in our sole opinion repair is not 

economic, arrange to replace the boiler. 

7.  Health & Safety:

a.  Engineers will only attend to boiler products where it is considered by the engineer that the installation does not 

pose a risk to health and safety.

b.  A permanently fixed access ladder must service installations in lofts or attics. Adequate lighting and permanently 

fixed flooring must also be available.

c.  Cupboard installations must provide minimum working clearances as detailed in the installation instructions. 

Vokèra will not accept responsibility for the removal of cupboards, kitchen units or trims in order to gain access 

for repairs.

8.  Warranty does not apply:

a.  If the boiler is removed from its place of installation without our prior consent.

b.  To any defect, damage or breakdown caused by inadequate servicing of the boiler or by deliberate action, 

accident, misuse or third party interference including modification or an attempted repair which does not fully 

comply with industry standards.

c.  To any defect, damage or breakdown caused by the design, installation and maintenance of the central heating 

system.

Summary of Contents for 47-364-52

Page 1: ...AINED BY USER Vok ra is a licensed member of the Benchmark scheme which aims to improve the standards of installation and commissioning of domestic hot water systems in the UK VISION PLUS High efficie...

Page 2: ...22 5 OPERATION 23 5 1 ACCESS TO THE PARAMETERS 23 5 2 CONTROL PANEL 23 5 3 SETTINGS MENU TREE STRUCTURE 24 5 4 STARTING THE BOILER 25 5 5 BOILER CONFIGURATION 26 5 6 FIRST COMMISSIONING 28 5 7 VENT CY...

Page 3: ...inated automatically 1 6a DIMENSIONS VISION PLUS 25C 30C HEIGHT 715 mm WIDTH 405 mm DEPTH 248mm Dear Customer Your Vok ra VISION PLUS boiler has been designed to meet and exceed the very latest standa...

Page 4: ...indicator Indicates the presence of a flame in the event of a flame lockout the icon looks like Reset It comes on when there are alarms that require a manual reset by the user Enter It comes on when...

Page 5: ...ns and the segments come on for 1sec and in sequence the firmware revision is displayed for 3sec Then the interface displays the status active at that moment If necessary the interface automatically g...

Page 6: ...and the burner is lit the icon appears on the display Heating REQUEST the radiator icon blinks Bar 2 3 2a SUMMER MODE Set the boiler to the SUMMER status by pressing key 1 until the domestic hot water...

Page 7: ...On the 4 digits a message scrolls containing the error code and its description DAY 2 3 8a RESET FUNCTION The RESET icon comes on when there is an alarm that requires a manual reset by the user for e...

Page 8: ...ngineer 2 6a INFO MENU Pressing key 3 on the display screen displays a list of informa tion regarding the operation of the boiler listed by parameter name and value Passing from the display of one par...

Page 9: ...DOWN THE SYSTEM FOR SHORT PERIODS The system and boiler can be shut down in the event of temporary absences weekends short breaks etc setting the boiler status to OFF 3a HOW TO While the electrical s...

Page 10: ...secontactyournearestVok raoffice 4 2a WHAT IF I HAVE FREQUENTLY TO TOP UP THE SYSTEM If the system regularly requires topping up it may be indicative of a leak Please contact your installer and ask hi...

Page 11: ...mer services VISION PLUS boiler complies with basic requirements of the following Directives Regulation EU 2016 426 Yield directive Article 7 2 and Annex III of directive 92 42 EEC Electromagnetic com...

Page 12: ...r DHW flow switch Top AAV High limit thermostat Flow temperature sensor Safety valve DHWFilter Automatic by pass Return temperature sensor Water trans ducer Fig 5 2 DESIGN PRINCIPLES AND OPERATING SEQ...

Page 13: ...25C VISION PLUS 30C Capacity 8 litres Maximum system volume 74 litres Pre charge pressure 1 bar Dimensions VISION PLUS 25C VISION PLUS 30C Height mm 715 Width mm 405 Depth mm 248 Dry weight kg 27 29 C...

Page 14: ...ed 24 kW Seasonal space heating energy efficiency s 93 For boiler space heaters and boiler combination heaters useful heat output For boiler space heaters and boiler combination heaters useful efficie...

Page 15: ...of 600 mm T Below an opening or window on a pitched roof 2000 mm V From a vertical terminal to an adjacent opening window air brick etc call Vokera technical for advice W From a vertical terminal to a...

Page 16: ...PIPEWORK It is recommended that copper tubing to BS 2871 Part 1 is used in conjunction with soldered capillary joints Where possible pipes should have a gradient to ensure air is carried naturally to...

Page 17: ...ed socket with a fused 3 pin plug both complying with BS 1363 is acceptable NOTE Note Vokera Ltd cannot guarantee the performance or reliability of the appliance if when it is supplied via an invertor...

Page 18: ...4E AIR RELEASE POINTS These must be positioned at the highest points in the system where air is likely to be trapped They should be used to expel trapped air and allow complete filling of the system...

Page 19: ...20132062 2000mm extension 2000mm 20131979 telescopic extension 372 519mm 522 plume management kit 1370mm 20135587 100mm flue brackets 5 N A Fig 12 Using the template A provided with the kit mark and d...

Page 20: ...ONLY Using the template provided mark and drill a 125mm hole for the passage of the flue pipe The hole should be drilled LEVEL to ensure any condense fluid that forms is allowed to drain back to the a...

Page 21: ...are located in the groove of the vertical flue connector Both screws C should now be tightened NOTE If more convenient the vertical flue connector can be attachedtotheverticalflueterminal extensionbe...

Page 22: ...trical supply Connect the fly lead to a fused plug or fused isolator in the following way brown wire to LIVE supply blue wire to NEUTRAL supply green yellow to EARTH connection Insertthesupplied3 AMPf...

Page 23: ...d it has the back cancel function A B Access to the domestic hot water comfort functions see para graph 5 8 9 Domestic hot water comfort function C It is normally used to raise the heating water tempe...

Page 24: ...P4 05 PUMP CONTROL TYPE NOT USED P4 08 OT CASCADE CONTROL NOT AVAILABLE ON THIS MODEL P4 09 SCREED FUNCTION 0 1 INSTALLER 0 P4 10 ANTI CYCLE FUNCTION 0 20min INSTALLER 3min P4 11 RESET CH TIMERS 0 1 I...

Page 25: ...ITY P8 01 BUS 485 CONFIG 0 1 2 SERVICE 0 P8 03 OT CONFIG 0 1 SERVICE 1 5 4 STARTING THE BOILER Ensure that steps 6 1 through to 6 6 have been completed be fore supplying the gas and electrical supply...

Page 26: ...oard for calculating the ignition delivery temperature of the burner IGNITION TEMPERATURE HEATING SETPOINT P4 04 The factory setting for this parameter is 3 C it can be changed within the 2 10 C range...

Page 27: ...eet of the BE16 accessory board for more information about the use of this parameter P4 25 When P4 12 1 this parameter allows you to set the hydraulic configuration of heating zone 1 The factory setti...

Page 28: ...ntil the icon for the desired function is displayed 5 8 1 WINTER MODE Set the boiler to the WINTER status by pressing key 1 until both the domestic hot water icon and the heating icon are displayed Th...

Page 29: ...in the preset range in steps of 0 5 C The level bars beside the heating icon show the setpoint value set with respect to the operating range four bars on max setpoint one bar on min setpoint 5 8 7 SAF...

Page 30: ...t the P4 menu and then P4 09 with the keys confirming the selection with Note SCREED HEATING is not available if the boiler is a status other than OFF To activate the function set the parameter to 1 t...

Page 31: ...e Drain the boiler and system from the lowest points Open the drain valve full bore to remove any installation debris from the boiler prior to lighting Refill the boiler and heating system as describe...

Page 32: ...mperature can be adjusted between 37 C 60 C via the buttons A B Fig 1 6 11 SETTING THE SYSTEM DESIGN PRESSURE The design pressure should be a minimum of 0 5 bar and a maximum of 1 5 bar The actual rea...

Page 33: ...m pump base and lift pump assembly clear of the hydraulic manifold The pump assembly can now be removed from the appliance Replace carefully in the reverse order 7 7 SAFETY VALVE FIG 32 Carry out comp...

Page 34: ...front cover Disconnect the electrode leads and ancillary wiring from their respective connectors Re move the retaining screws V for electrode Remove the spark ignition electrode W Remove the flame sen...

Page 35: ...fully withdraw the by pass cartridge S1 and or DHW non return cartridge T1 Ensure all seals are in good condition taking care to ensure they are replaced correctly Replace in the reverse order ensurin...

Page 36: ...component removal procedure as described in 7 4 Disconnect the electrical plug from the actuator H2 Replace in the reverse order 7 21 4 DHW THERMISTOR FIG 33 Carry out component removal procedure as d...

Page 37: ...er Once successful ignition has been achieved the electronic circuitry increases the gas rate to 75 for a period of 15 minutes The speed of the fan and therefore the output of the boiler is determined...

Page 38: ...own on the display IMPORTANT The combustion analysis function is active for a maximum time of 15 minutes the burner shuts down if an outlet temperature of 95 C is reached It will ignite again when the...

Page 39: ...isconnection and re connection of any electrical wiring or component these checks must be repeated 8 7 FAULT FINDING Before attempting any fault finding the electrical checks as detailed in 8 6 must b...

Page 40: ...14 15 16 17 18 19 20 21 22 23 24 25 26 Giri ven latore r p m Portata termica kW Curva portata termica giri ven latore Caldaia Vision PLUS 25C Qm Qn RANGE RATED HTG curve VISION PLUS 25C heat output kW...

Page 41: ...0 15 20 CORREZIONE CURVA CLIMATICA CLIMATE CURVE CORRECTION EXTERNAL TEMPERATURE C DELIVERY TEMPERATURE C NIGHT COMPENSATION PARAMETER P4 20 If a ROOM THERMOSTAT is connected to a programming timer fr...

Page 42: ...his latter is replaced The total hours can be verified in the following way access the INFO menus as indicated in the paragraph 8 15 INFO menu at I0 15 to display the value of the flue gases probe met...

Page 43: ...n P4 12 1 I0 14 ZONE 1 OUTLET Zone 1 ow sensor value when P4 13 1 I0 15 EXHAUST PROBE HOURS Number of hours the heat exchanger has been operating in condensing mode I0 16 MAIN ZONE SET Main zone deliv...

Page 44: ...following figure Using the arrows select the day or the pre selected group of days 1 2 3 4 5 6 7 programming of the individual days 1 5 programming from Monday to Friday 6 7 programming from Saturday...

Page 45: ...er must always be supplied with a permanent 230V electrical supply The room thermostat connection is low voltage 24 Vdc Do not connect any controls or auxiliary equipment to the low voltage terminal s...

Page 46: ...brown blue CN3 1 2 NOTE L N E connection is advisable 7 1 CN9 D H W T D H W F S red red violet violet t 3 CN4 1 brown heat black D H W blue Heat 3 D H W 1 N 2 3W TSC2 S E N F 3 yellow green blue brown...

Page 47: ...he boiler to propane gas G31 use the specific accessory kits For disassembly refer to the instructions below remove the power supply to the boiler and close the gas tap remove the casing as indicated...

Page 48: ...section 7 3 set boiler to operate at minimum rate to minimum load condition Allow sufficient time for combustion to stabilise YES I Is s C CO O 3 35 50 0p pp pm m a an nd d C CO O C CO O2 2 r ra at ti...

Page 49: ...urers recommendations at least annually This must be carried out by a competent Gas Safe registered engineer The service details should be recorded on the Benchmark Service and Interim Boiler Work Rec...

Page 50: ...no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar C Central heating return temperature C System correctly balanced rebalanced Yes COMBINATION BOILERS ONLY Is th...

Page 51: ...er name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions and readings are correct yes Gas r...

Page 52: ...er name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO CO CO undertaken in accordance with manufacturers instructions and readings are correct yes Gas r...

Page 53: ...structions must be provided e g Benchmark Service Record If this condition is not met the period of warranty will extend to only 12 months from date of installation By registering your appliance you w...

Page 54: ...from a Trading Standards Authority or a Citizen Advice Bureaux Your Personal Details Vok ra takes care of your personal details in order to protect your privacy Below we detail how we use any data you...

Page 55: ...Ireland West Court Callan Co Kilkenny T 056 7755057 F 056 7755060 Vok ra Limited reserve the right to change specification without prior notice Consumers statutory rights are not affected Company Reg...

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