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Baxi MULTIFIT Evacuated Tube Collector Kit Instructions

Evacuated tube collector 10 tube additional pitched roof kit
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Evacuated Tube Collector
10 Tube Additional Pitched Roof Kit
Kit Part No. 5130243
THESE INSTRUCTIONS CONTAIN INFORMATION FROM THE FOLLOWING BOOKLETS:
Baxi Solarflo
Installation Guide (Part No. 5130226), Commissioning Guide (Part No. 5130227) and
TM
Pitched Roof Kit Instructions (Part No. 5130229).
Window
K I T I N S T R U C T I O N S
The User Guide Booklet
(Part No. 5130228) shoud be read
in conjunction with these
instructions.
Please leave these instructions with the
User for Safe Keeping

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Summary of Contents for Baxi MULTIFIT Evacuated Tube Collector

  • Page 1 10 Tube Additional Pitched Roof Kit Kit Part No. 5130243 THESE INSTRUCTIONS CONTAIN INFORMATION FROM THE FOLLOWING BOOKLETS: Baxi Solarflo Installation Guide (Part No. 5130226), Commissioning Guide (Part No. 5130227) and Pitched Roof Kit Instructions (Part No. 5130229). The User Guide Booklet (Part No.

  • Page 2: Table Of Contents

    19.0 Warranty © Baxi Heating UK Ltd 2011. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, or stored in any retrieval system of any nature (including in any database), in each case whether electronic, mechanical, recording or otherwise, without prior written permission of the copyright owner, except for permitted fair dealing under Copyrights, Designs and Patents Act 1988.

  • Page 3: Introduction To Solar

    Introduction to Solar Description Thank you for purchasing a high quality Baxi Solarflo Solar Thermal Domestic Hot Water System. The sun is the ultimate source of most of our renewable energy supplies. Energy from the sun is clean and abundant.

  • Page 4: Solar Collector Specifications

    20 tube 10 tube a 1 = 1.43 W/m 1.53 W/m 1418 1209 a 2 = 0.0059 W/m 0.0063 W/m 1996 1996 1475 737.5 All dimensions shown in mm Fig. 3 Flow Rate (l/min) © Baxi Heating UK Ltd 2011...

  • Page 5: Pump Station Specifications

    Setting 3: Maximum Pump Head: 6 metres Maximum Pump Capacity: 4.5 m3/h / 3.5 m3/h Flow meter scale: 2 to 15 l/min Features Air Separator Adjustable Control Valves Drain Point Temperature Gauges Flow Gauge © Baxi Heating UK Ltd 2011...

  • Page 6: Solar Controller

    However, in the event of an installation having a ‘Y’ plan boiler system that is to be controlled by the solar controller, a relay is required (not supplied). This is available as a Baxi Spares Item, Code No. 5122765. © Baxi Heating UK Ltd 2011...

  • Page 7: Ancillary Components

    0.4 0.5 NOTE: For optimum operation the cold connection must be Flow l/s taken from a balanced cold water feed. For details of balanced cold water feed please refer to the cylinder manufacturer’s instructions. © Baxi Heating UK Ltd 2011...

  • Page 8: General

    © Baxi Heating UK Ltd 2011...
  • Page 9 This is not an exclusive list and so you should consider all aspects of the proposed installation to assess whether there are additional risks that need to be taken into account. © Baxi Heating UK Ltd 2011...

  • Page 10: Installation Of Collector Sensor

    (up to 200°C). Solar Collector sensor may be extended (using the 13m extension cable supplied). The sensor may be extended up to 50m but 0.75mm screened flex must be used. © Baxi Heating UK Ltd 2011...

  • Page 11: Installation Of Pump Station

    30 metres of pipework when connected to a capacity of 30 tubes. The pump station has a solar controller (Fig. 11 Item 6) integrated into the front insulation moulding. This is pre-wired to the solar pump. © Baxi Heating UK Ltd 2011...
  • Page 12 0.7 bar above the static system head (the height of the top of the collector panels above the hydraulic station). A one metre head represents 0.1 bar. However, the charge pressure should be at least 1.5 bar. The maximum static system head is 15m (1.5 bar). © Baxi Heating UK Ltd 2011...

  • Page 13: Installation Of Solar Controller

    However, in the event of an installation having a ‘Y’ 230V/240V~ Mains supply plan boiler system that is to be controlled by the solar controller, a relay is required (not supplied). This is available as a Baxi Spares Item, Code No. 5122765. © Baxi Heating UK Ltd 2011...
  • Page 14 Type 2: The function must be switched “on” when commissioning 1 collector, 2 storage tanks the Solar Controller. Refer to the Baxi Solarflo with 2 pumps “Commissioning, Maintenance & Servicing Guide” for further details. Tcoll...
  • Page 15 C. Solar Cylinder with auxiliary heating by immersion heater. Boiler Immersion 3 Amp Fused Supply 13 Amp Fused Supply Terminal Box (Not supplied) Relay See Fig.13 Solar Differential Controller Solar Pump Solar O/Temp Cutout Auxiliary Immersion Heater Relay Immersion Heater © Baxi Heating UK Ltd 2011...
  • Page 16 Programmable Room Stat Terminal Box (Not supplied) NOT USED Solar Cylinder Auxiliary Controls Cylinder Safety Valve 3 Port Mid Position Valve CH Pump Relay See Fig. 13 Solar Differential Controller Solar Pump Solar O/Temp Cutout Relay © Baxi Heating UK Ltd 2011...

  • Page 17: Site Requirements

    Site Requirements 10.1 General assembly notes These instructions relate to the installation of the Baxi Solarflo Evacuated Tube Collector Pitched Roof Mounting. Parts are provided for fixing to slate or tile roofs. Refer to the parts list to ensure the correct components are in the pack. All other equipment must be installed as detailed in the Baxi Solarflo Installation Guide.
  • Page 18 Under no circumstances should the collector be fitted where it overhangs any part of the roof structure. Minimum clearances must also be adhered to for servicing and or replacement of parts (see Fig. 20). 120mm Fig. 20 © Baxi Heating UK Ltd 2011...

  • Page 19: Installation Of Solar Collector

    800 - 1400mm (30 tubes) Tile Shape Installation (Portrait) Fig. 21 700 - 1400mm Form by hand to suit Tile Shape 900 - 1100mm (20 tubes) 1200 - 1400mmb (30 tubes) Installation (Landscape) Fig. 22 © Baxi Heating UK Ltd 2011...
  • Page 20 (portrait) Landscape Roof Installation Angle Bracket Form mounting bracket by hand to suit Tile Shape Rubber Cover Example on how the side rails will fix to the mounting brackets (Landscape) Side Rail Fig. 24 © Baxi Heating UK Ltd 2011...
  • Page 21 (Figs. 25 & 26). Form mounting bracket by hand to suit Tile Fig. 26 9. Replace roof tiles/slates. Shape and Noggin 10. Secure side rails to upper mounting brackets. Side Rail Fig. 27 © Baxi Heating UK Ltd 2011...
  • Page 22 Fit the locking pins and ensure full engagement into the drilled holes (Figs. 29 & 30). 19. Tighten the top clamps fully and check the manifold is secure. Manifold Clamp Mark and Drill hole for Locking Pin Fig. 30 (Landscape) © Baxi Heating UK Ltd 2011...
  • Page 23 7. Close manifold lid ensuring proper engagement of front seal strip over whole length and on end caps. Tube Retaining Clip Tube Retaining Clip Fig. 32 Front Seal Strip Tube Clip Manifold Support Rail Tube Fig. 31 © Baxi Heating UK Ltd 2011...
  • Page 24 9. Fit the air bleed fitting to the compression elbow. 10. Fit compression elbow and tighten the union nut. Compression Elbow Copper Tail Fig. 32 Brass Adaptor Compression Elbow with Sensor Pocket © Baxi Heating UK Ltd 2011...

  • Page 25: Commissioning Of System

    Consideration should be made to the condition of the solar fluid and it should be changed completely if tested and found to be degraded. A Baxi test kit (Part No. 5119559) is available for this purpose. h) A 2 metre pipe kit (Part No. 5131036) is supplied with the 10...
  • Page 26 18. After venting the pump and checking that the system pressure is 2 bar, close the fill and drain valve on the safety group (Fig. 33 Item 1). © Baxi Heating UK Ltd 2011...
  • Page 27 29. Remove all tubing from the fill and drain valve on the safety group (Fig 33 item 1) and the drain valve on the flow meter. (Fig 33 item 2) and replace both the sealing caps securely, ensuring that the rubber seals are fitted. © Baxi Heating UK Ltd 2011...

  • Page 28: Commissioning Of Hydraulic Station

    1. Refit the controller mounting moulding (Fig. 38 item 1) onto the rear moulding. 2. Push the front thermal insulation (Fig. 38 item 2) against the rear thermal insulation section (Fig. 38 item 3) until it clips into place. © Baxi Heating UK Ltd 2011...

  • Page 29: Commissioning Of Solar Controller

    - select to edit the function displayed. The selected function will flash if it is available for editing. Use 2 to increase the required value and 4 to reduce it. Use 5 to OK. © Baxi Heating UK Ltd 2011...
  • Page 30 Time period stop 1,2,3 for the Independent controller independent controller, 4 for the assignment: Cooling, heating, tube collector function temperature differential controller Yield storage2 Set time Sensor assignment for the independent controller Select basic configuration © Baxi Heating UK Ltd 2011...
  • Page 31 60ºC Indication of current temperature collector return 60ºC Heating, Sensor T1...T6 1234 h Operating hours for charging storage tank Resettable to 0 h 927 kWh Energy productivity for storage tank Resettable to 0 kWh © Baxi Heating UK Ltd 2011...
  • Page 32 The default factory setting will usually give appears, efficient and problem free operation. However Baxi recommend the following parameters marked * must be left at the default settings. Any change to the Baxi recommended settings will press to confirm and invalidate the warranty.
  • Page 33 0 = off 1 = on Switching on / off switch output A2 (pump2) 0 = off 1 = on Switching on / off switch output A3 (heating) 0 = off 1 = on © Baxi Heating UK Ltd 2011...
  • Page 34 15 – Auxiliary heating sensor assignment 1...6 16 – System configuration 0...4 Glycol types (point 6): For correct operation of the system, Baxi Anro Tyfocor L5.5 - supplied recommend the settings shown above. IIexan E, Glythermin Dowcal 10 Antifrogen L...
  • Page 35 Appears when switch output 3 is active (on) Reference to system fault Display flashes when a fault occurs in the system Input value can be either Safety query for value changes which are to be stored rejected or accepted © Baxi Heating UK Ltd 2011...
  • Page 36 5 x 7 segment display. Display of all values, display flashes when Presentation of figures 00000 to 99999 a value is changed ºC Temperature in Celsius Temperature difference in Kelvin Operating hours Productivity indication in kWh © Baxi Heating UK Ltd 2011...
  • Page 37 14.0 Commissioning of solar controller 14.9 Controller functions The Baxi Solarflo differential temperature controller contains many functions to regulate and monitor the solar primary system. Including - controller functions for heating the solar cylinder - functions for system protection and system monitoring - additional functions (other accessories may be required to achieve these functions).
  • Page 38 Corresponding values in menu “Basic adjustment” “Programming” 14 -- 1 Start temperature max ºC 15 -- 5 Hysteresis dT in K Time period (1…3) Start: min time Time period (1…3) Stop: max time © Baxi Heating UK Ltd 2011...
  • Page 39 Indication Meaning Short circuit on temperature sensor of the current measuring point Break on temperature sensor of the current measuring point, circulation error at activated energy productivity measurement © Baxi Heating UK Ltd 2011...
  • Page 40 +5K is reached. The minimum runtime of the pump is 5 minutes. For security reasons the function is deactivated if the temperature of the priority storage falls below 5ºC. © Baxi Heating UK Ltd 2011...
  • Page 41 The number of operating hours can be read in menu “info” and for each pump separately reset to 0. Corresponding values in menu “Programming” “info” XXXX h © Baxi Heating UK Ltd 2011...

  • Page 42: Commissioning Record

    System type type 0 Solar Cylinder Time control in secs Cylinder installed and commissioned in Storage priority accordance with cylinder installation instructions * Baxi recommends these settings are left at the default value. © Baxi Heating UK Ltd 2011...
  • Page 43 © Baxi Heating UK Ltd 2011...
  • Page 44 © Baxi Heating UK Ltd 2011...

  • Page 45: Maintenance

    -21 deg C (40% concentration). 16.2 Maintenance of the collector The collector or the collector array must be checked/serviced annually to check for any damage, leaks and contamination. 16.3 Cylinder Refer to manufacturers documentation. © Baxi Heating UK Ltd 2011...

  • Page 46: Fault Finding

    (if visible) • Connection with flow • Check wire Additionally at energy meter defect productivity measurement: • Sensor wire broken • Check wire • Sensor defect • Check sensor resistance, if necessary exchange sensor © Baxi Heating UK Ltd 2011...
  • Page 47 1347 1385 1461 1535 Is the 230/240V~ power supply at the controller Check wiring and rectify 1758 terminal block Is internal Replace internal fuse fuse operational Controller fault Replace controller © Baxi Heating UK Ltd 2011...
  • Page 48 Use shielded cable to extend been lengthened with sensor cable lengths unshielded cable Do sensors give Are sensor correct temperature Rectify sensor connections connections correctly made resistance readings Sensor fault Controller fault Replace controller Replace sensor © Baxi Heating UK Ltd 2011...

  • Page 49: Spares

    5130645 O-ring Evac Tube 5130646 Clamp Rubber Evac Tube 5130647 DF100 Evac Tube 1off 5130648 Tee Piece Manifold 5132722 Fluid Tyfocor LS Solar 20Ltr 5130225 (Not Illustrated) Bracket Roof 5130639 Sensor Pocket Manifold 5132723 © Baxi Heating UK Ltd 2011...
  • Page 50 A number of Spare Parts are available should any part of the Solarflo system require replacement. Use only genuine parts obtained from Baxi, use of other non Baxi parts may cause system malfunctions and will invalidate the warranty. Fitting of any spare parts must be carried out by a competent installer or authorised service engineer or agent.

  • Page 51: Warranty

    – Baxi Solarflo system serial numbers – Baxi Solarflo system model number – Your installer name, address details and contact details – Proof of purchase (if you do not have the Baxi Solarflo serial number) © Baxi Heating UK Ltd 2011...
  • Page 52 All goods are sold subject to our standard Conditions of Sale which are available on request. MULT IF I T A Registered Trademark of Baxi Heating UK Ltd (3879156) Brooks House, Coventry Road, Warwick. CV34 4LL Technical Enquiries 0844 871 1568 Our contact centre is open Monday to Friday 8am to 6pm, Weekends and Bank Holidays 8.30am to 2pm.

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