VOKERA AquaNova Installation & Servicing Instructions Manual Download | Manualshive

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FUNCTIONAL DIAGRAM

NOTE: L-N connection is advisable

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Summary of Contents for AquaNova

Page 1: ...ions THESE INSTRUCTIONS TO BE RETAINED 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 i...

Page 2: ...ner pressure 11 5 6 Setting the outlet temperature 11 5 7 Final checks 11 5 8 Instructing the user 11 Servicing Page 6 1 General 12 6 2 Routine annual servicing 12 6 3 Replacement of components 12 6 4...

Page 3: ...which by design incorporates electronic ignition NTC temperature control continuous gas modulation and status fault indicators Itisproducedasaroomsealed categoryII2H3 appliance suitable for wall moun...

Page 4: ...uitthesetrequirement When the appliance reaches the desired temperature the burner will modulate to maintain thedesiredtemperature Shouldthetemperature continue to increase the burner will shut off wh...

Page 5: ...tric 2 4 metres Minimum horizontal flue length concentric 0 4 metres Maximum vertical flue length concentric 3 6 metres Minimum vertical flue length concentric 1 0 metres Maximum twin flue length hori...

Page 6: ...ith the maximum rated input of all the appliances that it serves Installation pipes must be fitted in accordance with BS 6891 Pipe work from the meter to the appliance must be of adequate size Pipes o...

Page 7: ...bracket template an accessories pack containing the appliance service valves and washers the instruction pack containing the installation servicing instructions user instructions and a 3 amp fuse 4 3...

Page 8: ...m extension 45 bend pair 90 bend Wall bracket 5 380mm 600mm dimension X 600mm 920mm dimension X 833mm dimension X 750mm 1500mm N A N A N A IMPORTANT The flue restrictor ring must be inserted into the...

Page 9: ...exceeds 1 0m NOTE When cutting the horizontal flue terminal or an extensiontotherequiredlength youmustensure that the excess is cut from the plain end of the terminal or extension and that the inner...

Page 10: ...m enables greater flue distances to be achieved see 4 4 2 than that of the standard concentric flue system It can be used for horizontal or vertical applications however the twin flue system must be c...

Page 11: ...twin flue pipes to allow connection to the concentric to twin converter NOTE Before cutting twin flue pipes ensure allowances have been made for connection onto the previous piece and onto the concent...

Page 12: ...ATER OUTLET see fig 4 The appliance is supplied with 15mm connector for the hot water outlet connection connect a 15mm pipe to the outlet of the connector and tighten the nut 4 7 ELECTRICAL CONNECTION...

Page 13: ...meter to the gas valve outlet test nipple see fig 15 Light the appliance as described in 5 4 and compare the reading on the manometer with the values described in 2 2 If adjustement is required follow...

Page 14: ...s such as operating conditions and usage Should the appliance develop a fault the fault finding sectionwillassistindeterminingwhichcomponent is malfunctioning 6 4 COMPONENT REMOVAL PROCEDURE To remove...

Page 15: ...6 9 BURNER INJECTORS AND SPARK SENSE ELECTRODE see fig 18a b c Carry out component removal procedure as de scribed in 6 4 Remove the appliance casing as described in 4 7 1 Locate and remove the ten sc...

Page 16: ...cessary to check it during servicing or if the gas valve has been removed Isolate the appliance from the electrical supply and attach a suitable manometer to the gas valve outlet test nipple Remove th...

Page 17: ...5 3 POLARITY CHECK With the appliance connected to the electrical supply and using a suitable multi meter carry out the following voltage tests connect test leads between the Live Neutral connectionsa...

Page 18: ...very 0 5 seconds Red LED Action required Status Off Off On Flashing on off every 0 5 seconds Off Flashing on off every 0 5 seconds Switched off or at stand by DHW request Flame lockout Overheating Air...

Page 19: ...ECK WIRING AND CONNECTIONS OR SAFETY THERMOSTAT MAINS PRESENT BETWEEN TERMINALS X1 1 X1 2 ON DRIVER BOARD NO REPLACE DRIVER BOARD FUSES OK CHECK FUSES F1 F2 ON DRIVER BOARD RESTART THE TEST REPLACE FU...

Page 20: ...ELECTRODE AND LEAD IS THERE MECHANICAL OPENING OF GAS VALVE SOLENOIDS NO REPLACE A C F BOARD NO DO THE AIR FLOW SWTCH TURN ON CHECK WIRING AND CONNECTIONS AND AIR FLOW SWITCH YES NO ARE THE VENTURI TU...

Page 21: ...2 Vdc IS VOLTAGE ACROSS TERMINALS OF MODULATOR COIL 1 2 Vdc IS WATER TEMPERATURE 60 C WAIT WATER TEMPERATURE 60 C SWITCH WATER THERMOSTAT AT MIN DO BURNER AND FAN SWITCH OFF IS WATER TEMPERATURE 40 C...

Page 22: ...WIRE ON AIR FLOW SWITCH AND PIN 11 ON ACF CHECK OR REPLACE WIRING AND CONNECTIONS A1 YES MAINS PRESENT BETWEEN RED WIRE ON AIR FLOW SWITCH AND PIN 11 ON ACF CHECK OR REPLACE WIRING AND CONNECTIONS IS...

Page 23: ...or further advice on the electrical connection please contact Vokera technical on 0870 333 0520 TR1 DHW temperature control TR2 Selector ON OFF JP1 Natural gas or LPG selector jumper P F Air pressure...

Page 24: ...22 FUNCTIONAL DIAGRAM NOTE L N connection is advisable brown blue purple purple red red grey grey black black white white blue brown pink...

Page 25: ...Lower panel 10020663 16 Cable entry socket 5371 17 Rivet 5037 18 PCB cover 10021120 19 Control panel 10021127 20 Led lens 10020676 21 Selector thermostat knob 10020674 22 Adhesive logo 1471 23 Air cha...

Page 26: ...20668 23 Flow restrictor 9430 24 Inlet pipe 10020666 25 DHW flow switch 10020330 26 Gas valve 10021021 27 Gas valve outlet pipe 10020667 28 Outlet pipe 10020664 29 High limit thermostat 10021235 30 1...

Page 27: ...uring the above procedure This will ensure that the output of the appliance burner pressure is not compromised due to a high outlet temperature For details of converting an appliance to LPG please ref...

Page 28: ...quiries vokera co uk www vokera co uk www vokera ie Sales General Enquires T 0844 391 0999 F 0844 391 0998 Vok ra Ireland West Court Callan Co Kilkenny T 056 7755057 F 056 7755060 Vok ra Limited reser...

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