VOKERA Linea Max HE Installation & Servicing Instructions Manual
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VOKERA Linea Max HE Installation & Servicing Instructions Manual

VOKERA Linea Max HE Installation & Servicing Instructions Manual

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Linea Max HE
Floor standing high efficiency
combi boiler
Supplied By www.heating spares.co Tel. 0161 620 6677
Installation
& Servicing
Instructions
THESE INSTRUCTIONS
TO BE RETAINED
BY USER
Vokèra 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.

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Summary of Contents for VOKERA Linea Max HE

  • Page 1 Linea Max HE Floor standing high efficiency combi boiler Installation & Servicing Instructions THESE INSTRUCTIONS TO BE RETAINED BY USER Vokèra 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.
  • Page 2 Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 3: Table Of Contents

    Checking The Flue System Checking The Heating Thermistor Section 12 Spare Parts Regulating The C/H System Final Flushing The C/H System Filling & Testing H/W System Final Checks For Operation Concluding Operations LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 4 Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 5: General Layout

    Front Door Panel Pressure Gauge Status LED Central Heating Temperature Control Mode Selector Switch Hot Water Temperature Control Temperature Indicator Combustion Switch Latent heat collector Condensate trap Trap safety pressure switch LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 6: Schematic Diagram

    & dhw modes. The fan overruns until the boi- ler water cools to approximately 80°C (176°F). KEY: Hot Water Outlet Cold Water Inlet Central Heating Flow Central Heating Return LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 7: Section 3 Technical Data

    3.10 Flue details (twin pipe) Maximum horizontal flue length (80mm + 80mm) 12 m + 12 m Maximum vertical flue length (80mm + 80mm) contact Vokera technical for advice 3.11 Efficiency SEDBUK 87.1 Band “B” Ref. Condition 15 °C , 1013,25 mbar, dry gas. - NOTE: L.P.G.
  • Page 8 3.11 Central Heating Pump Duty Water pressure mbar X 100 Water flow Fig. 3 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 9: General Requirements

    BS 6798:1987 gives detailed gui- dance on this aspect. A compartment used to enclose the boiler must be designed and constructed specifically for this LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 10: Air Supply

    15mm nominal size and manu- NOTE: The flue must be terminated in a place not likely factured in accordance with BS 2879:1980. to cause a nuisance. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 11: Introduction 1 Section

    Control Valve Connection 4.11 Inhibitors Vokera recommend that an inhibitor - suitable for use with copper and aluminium heat exchangers - is used to protect the boiler and system from the effects of corrosion and/or electrolytic action. The Flow/Return Pipe...

  • Page 12: General Requirements (Eire)

    The guard must be fitted centrally over the terminal. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 13: Electrical Supply

    4A.11 Inhibitors Vokera recommend that an inhibitor - suitable for use with copper and aluminium heat exchangers - is used to protect the boiler and system from the effects of corrosion and/or electrolytic action. The inhibitor must be administered in strict accordan- ce with the manufacturers’...

  • Page 14: Installation

    Filling loop hose (1) Various washers Base plate screws (2) Spare front panel door tool (1) Restrictor ring (1) Flue kit supplied in separate carton. Fig. 10 Fig. 9 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 15: Siting The Appliance

    If the hot water system does not include a tap Base tray securing screws below the hot water outlet connection, provide a suitable drain tap to permit draining of the appliance hot water side during servicing. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 16: Checking The Heating Thermistor 23 Section

    Please contact Vokera technical for specific advice. IMPORTANT The condensate pipework must be installed in accordance with local Building regulations and/or other rules in force.
  • Page 17 Intakes for flue gas analysis Fig. 13 Fig. 14 Fig. 15 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 18: Installing The Flue System

    Fitting the flue The top flue outlet permits both horizontal and vertical flue applications to be considered. Alternatively, the Vokera twin flue system can be utilised if longer flue runs are required. 5.5.1 Concentric horizontal flue (For concentric vertical flue, see 5.5.2)
  • Page 19 (see fig. 16a) (see fig. 16b) Additional bends & extensions have push-fit con- The appliance can be used with either the Vokera nections, care should be taken to ensure that the condensing 60/100mm concentric flue system or correct seal is made when assembling the flue the optional 80/125mm concentric flue system.
  • Page 20 (see fig. 16a). Ensure that any horizontal sections of the flue system have a minimum 1º fall back to the boiler (17mm per 1000mm) LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 21 Twin flue system 5.5.3.1 Installation of twin adaptor kit (See fig. 17) The Vokera twin flue system enables greater flue Insert the exhaust connection manifold (A) onto distances to be achieved than that of the stan- the appliance flue outlet.
  • Page 22 The interior and exterior trim can now be fitted. 5.5.3.3 Vertical termination Contact Vokera technical help-line for specific guidance. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 23: Electrical Connections 19 Section

    0.75mm˝ (24 x 0.2mm) to table 15-16, BS6500. Wiring to the appliance should be rated for ope- ration in contact with surfaces up to 90°C. Locating hook Locating hook Fig. 20 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 24 Point Fig. 21 the current carrying conductors become taut before the earthing conductor. C/H Filling Cock Normal Operating Position Closed Position Filling Position Fig. 22 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 25: Commissioning

    (For access procedure turn off electricity and both cold and later hot as detailed in 6.11.1. refer to 5.6.2 for instructions). Open all radiator or heating valves and the appliance central heating valves. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 26: Checking Burner Pressures

    (see fig. 23). Main burner test point U Gauge Tube Gas Valve Manometer Fig. 23 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 27: Checking The Flue System

    (horizontally to the right) and the dhw control 6.13.4 Re-check the flue system for soundness and ade- knob is set at maximum. quacy of supports. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 28: Concluding Operations

    When replacing any part or component of this 3. Replace fuse if previously removed (8.2. appliance, use genuine Vokera parts only. above) and turn on electricity. Run the boiler for a few minutes in the domestic hot water mode to Important Notes permit inspection of its operation.

  • Page 29: To Gain General Access

    Where gas control components are replaced, certain conditions become partially blocked by check the burner pressures and adjust if neces- scale deposits. Evidence of this will be deteriora- sary (See 8.25). tion in performance. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 30: Room Sealed Chamber

    Fig. 25c 8.5.7 Replace in the reverse order. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 31: Remove Front Combustion Cover

    2 at the bottom (1), 2 at the rear (2), and one at the top of the panel (3). The right side panel can now be removed from the boiler (see fig. 28a). Fig. 29 Fig. 28a LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 32: Main Heat Exchanger

    Remove front combustion cover as 8.6. 8.9.4 Remove the air chamber right side panel as 8.7. 8.9.5 Disconnect the flow and return connections (4,5, fig. 31) on the heat exchanger. Fig. 31 Fig. 32 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 33: Flue Pressure Differential Switch

    8.14.10 Reassemble in reverse order. 8.14.11 Test all joints for gas soundness. Fig. 33 8.14.12 Check burner pressures. As 6.7. If incorrect adjust as instructed in 8.25. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 34: Pump

    Motorised Valve Exchanger Water Flow Switch & Ignition Control Box Fig. 36 Diverter Valve Heating flow and return valves Cold Water - Inlet Stopcock/filling valve & Flow Switch Assembly LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 35: Diverter Valve & Flow Switch Manifold

    (handle across valve body) Pull lever on head of safety valve to drain primary this isolates the primary store thus preventing circuit to boiler. unnecessary draining. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 36: Diverter Valve

    Reassemble in reverse order, using new fibre washer. Flow Switch Diaphragm Diverter Valve and Safety Valve Flow Switch Manifold Motorised Valve Diverter Valve Bobbin Diverter Valve Cover Fig. 40 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 37: Safety Valve

    Pull out 9 multi plug connectors and one earth lead from the printed circuit board. 8.23.17 Remove 2 screws securing circuit board to front Safety Thermostat panel and remove board. Fig. 42 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 38: Pressure Gauge

    Squeeze plastic locking lugs behind fascia and press gauge from aperture. 8.24.9 Reassemble in reverse order following original route for capillary tubes and ensuring locking lugs are located in the grooves. Fig. 45 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 39: Setting Gas Pressures

    Jumper plug position JP9 Minimum Adjustment Button Maximum pressure Gas pressure adjustment adjustment screw (a) protective cover Minimum Adjustment Minimum pressure Potentiometer adjustment screw (b) Fig. 46 Fig. 47 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 40: Latent Heat Collector

    The display will revert to showing applian- ce temperature on the digital display. NOTE: The combustion switch can also be used when Fig. 49 gas rating the appliance. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 41: Cleaning The Drain Trap And The Condensate Drain

    8.27.4 Remove the float (4) and clean all the compo- nents. 8.27.5 Once the cleaning operations have been comple- ted, reassemble the components in the reverse order. Fig. 51 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 42: Operational Checks & Wiring

    DHW Flow Switch is Closed Water Pressure Switch is Closed APS in ‘open’ position Pump & Fan Running APS Contacts in ‘closed’ position Ignition Sequence Begins LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 43 28kW output (11.4l/min at 36°C rise). DHW PARAMETERS RANGE MINIMUM MAXIMUM Temperature (°C) 37,5 ON at 50 °C OFF at 55 °C DHW NTC fault LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 44 Should there be a restriction in the heating circuit reducing the flow rate to below 360 l/hour (1.28 gpm) the flow switch could deactivate and de- energise the gas valve. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 45: Diagnostic Error Codes

    2 & 3 (labelling them in the process to ensure correct reconnection) and provide a solid link between 2 & 3. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 46 M3.5 & M5.3 on board 230 V Replace control on pump board pressure switch Replace pump Replace wiring or connections Replace wiring or connections Replace air pressure switch LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 47 Check the fan and /or flue gas tube Check wiring Replace the control board connections Green led alight Check wiring and connections, high limit thermostat or Restart the test LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 48 Restart the test Ignition Green box OK led alight Replace the Restart the control board test Check wiring and Replace Ignition connections high limit thermostat and control board LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 49 Wait for water flow temperature to be< 60 °C Replace control board Do the burner and fan switch on Is water flow temperatu- re > 60 °C Replace control board LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 50 Is the modulator coil and resistence of control board the modulator coil about 80 Replace control board Replace wire Replace modulator connections coil Replace Replace contol modulator board coil LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 51 M3.5 & M5.4 on Condense Replace trap OK Check wiring ingition box connections Check condense drain. Check and/or replace Check and/or condense trap replace pressure switch LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 52 Digital display showing Digital display showing Check DHW NTC sensor or connection Digital display showing Check Flow NTC sensor or connection Replace control board LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 53 NTC OK Replace DHW pressure water flow switch Replace Replace temperature DHW NTC control board <78°C Does the fan switch Is DHW NTC OK Replace Replace DHW control board LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 54 Is flow state NTC OK Does the pump Replace switch OFF control board Replace Replace flow NTC Switch OFF control boiler. Wait board about 10 secs. then restart test LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 55 >40 °C Switch C/H thermostat to max Replace control board Do the burner and fan switch ON timer jumper Remove Wait 3 min. jumper Replace control board Restart the test LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 56: Appendix

    2 & 3. ROOM THERMOSTAT (With clock) Remove the loop between terminals 2 & 3 and connect Room room thermostat between 1 & 2. thermostat Fig. 3 Fig. 3 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 57 Should the room thermostat require a neutral or earth, con- nect neutral to the terminals marked N, and the earth to the earth terminal. Note: Room thermostat contact rated at 230v. Internal time clock LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 58: Abling & Disabling Controls

    Jumpers JP1, JP2, JP3, JP5 and JP7 also exist on the printed circuit board DO NOT under any circumstances add or remove jumpers at these points. Spare jumpers are available from Vokera stocki- sts. Part no. 7232. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 59: Illustrated Wiring Diagram

    Relay D/H/W Temperature Control CO10 Time Clock Connector Pump Mode Selector Switch High Limit Thermostat Digital Display Motorised Valve Combustion Switch Primary Store Safety Thermostat Solenoid Operators Pressure switch LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 60: Preliminary Electrical System Checks

    - if the fault also occurs at this stage then there is a house system fault which requires attention by the ELECTRICITY AUTHORITY. The customer should be warned not to use the appliance until this examination has been carried out. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 61: Lpg Instructions

    Gain access to the electrical terminals as 5.6.2. not be established in this way, turn off the electri- Ensure the Jumper at point JP8 is removed. city supply, and disconnect a grey wire from the LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 62 & anti-clockwise to decrease the gas pressure. When all is adjusted, press the minimum adjust- ment button once (the appliance will return to normal operation). Turn the appliance off. LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...

  • Page 63: Spare Parts

    SECTION 12 SPARE PARTS DESCRIPTION 612102280 50-37685-12890-8 Cover R102796 Left side R102915 Door R102785 Right side R102914 Complete electrical panel R106326 Closing pin R100940 Spring R100939 Spring R101821 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 64 Clock holder cap R102399 Instrument holder panel R102392 Management board R102405 Fairing R102934 Complete electrical panel wiring R106328 Hook with nut R102401 Hydrometer R102938 PUSH-PUSH closure R102254 Two-colour LED R100057 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 65 Combustion wiring harness R10027898 Burner head pipe R106368 Gas solenoid valve R106332 Burner head pipe R102930 Flame control unit R102411 Condensate drain trap R106325 Condensate drain pipe R106324 Pressure switch R106323 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 66 Front panel R5315 Hood assembly R10024125 R10024035 Venturi and pressure tube kit R01005405 Clamp R10024126 Tube R10024137 Block with combustion analysis check point R10026933 Brass cap R8086 Pressure switch R10020889 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 67 Pipe R10027896 Washer R5023 Washer R5041 O ring R6898 Washer R10023699 O-ring R10024141 O-ring R10024142 O-ring R10024143 Connections kit R01005292 High limit thermostat R10024710 Ntc sensor R10027352 Washer R10027540 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 68 Storage outflow pipe R102931 DHW exchanger R103328 NTC probe R100030 Flow switch connection pipe R102955 Flow switch R102956 Flow switch connection fitting R102330 Exchanger inlet pipe R102954 DHW outlet pipe R102953 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 69 DESCRIPTION 612102280 50-37685-12890-8 Insulation R104198 Storage heater body 60 l R102799 Automatic vent valve R100618 Safety thermostat R104199 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 70 DESCRIPTION 612102280 50-37685-12890-8 Complete template R106340 Water cock R106329 Water cock R103317 Water outlet fitting R103325 Water cock R106330 Water cock R103327 3-position water cock R103319 Spring R102950 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 71 DESCRIPTION 612102280 50-37685-12890-8 Fuse 100MA-T R102936 Fuse 2A-T R102937 Timer wiring R106335 Condensate drain pipe R106336 R103539 Hose R103318 Safety valve connection pipe R102946 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 72 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 73 LINEA MAX HE Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 74 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 75 Supplied By www.heating spares.co Tel. 0161 620 6677...
  • Page 76 Registered address: Vokèra Ltd Borderlake House Unit 7 Riverside Industrial Estate London Colney Herts AL2 1HG enquiries@vokera.co.uk www.vokera.co.uk www.vokera.ie Sales, General Enquires T 0844 391 099 F 0844 391 0998 Vokèra Ireland West Court, Callan Co Kilkenny T 056 7755057 F 056 7755060 Vokèra Limited reserve the right to change...

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