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Baxi Solarflo Commissioning, Maintenance & Servicing Manual
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Baxi Solarflo Commissioning, Maintenance & Servicing Manual

Baxi Solarflo Commissioning, Maintenance & Servicing Manual

Solar thermal domestic hot water system
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Download this manual See also: User Manual, Installation Manual
Please read these instructions before installing or commissioning.
The Solarflo - Solar Thermal Domestic Hot Water System should
only be installed by a competent person.
Please leave these instructions with the user for safe keeping.
Commissioning, Maintenance & Servicing Guide
Solarflo - Solar Thermal Domestic Hot Water System
© Baxi Heating UK Ltd 2007.

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Summary of Contents for Baxi Solarflo

  • Page 1 Please read these instructions before installing or commissioning. The Solarflo - Solar Thermal Domestic Hot Water System should only be installed by a competent person. Please leave these instructions with the user for safe keeping. Commissioning, Maintenance & Servicing Guide Solarflo - Solar Thermal Domestic Hot Water System ©...
  • Page 2 28 Spares 30 Warranty © BAXI Heating UK Ltd 2007. 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: Commissioning Of System

    Commissioning of system Commissioning - General The Baxi Solarflo system uses a sealed system indirect solar primary circuit which must be filled with the solar heat transfer fluid provided. This is pre-diluted to the appropriate strength (40% glycol/60%water) and should not be diluted further.
  • Page 4 Fill the solar primary system by pumping in fluid until the system pressure reads 1.5 to 2.0 bar. Close the fill and drain valve (Fig. 3. Item 3) on the safety group. Solarflo - Solar Thermal Domestic Hot Water System...

  • Page 5: Commissioning Of Hydraulic Station

    (Fig. 4 Item 2) needs to be opened for this purpose.When system pressure is correctly set, ensure the fill and drain valve is closed and remove filling hose from safety group. Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 6 Refit the controller mounting moulding (Fig. 6 Item 1) onto the rear moulding. Push the front thermal insulation (Fig. 6 Item 2) against the rear thermal insulation section (Fig. 6 Item 3) until it clips into place. Solarflo - Solar Thermal Domestic Hot Water System...

  • Page 7: Commissioning Of Solar Controller

    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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 8 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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 9 When stored, icon will stop flashing Exit menu "Programming" "Exit" Currently selected menu icon will flash Choosing menu "Info" "Scroll left" Chosen menu icon will flash Call up menu "Info" 60°C "Call" Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 10 Switching on and off connected pumps / valves by hand. Overrides automatic regulation. Basic adjustment Information about basic adjustment for system function Important Adjustments and changes in this menu must be carried out only by a competent installer or service engineer. Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 11 Timeframe 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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 12 Sensor T1...T6 35ºC Temperature differential controller heat target 1234 h Operating hours for charging storage tank Resettable to 0 h 927 kWh Energy productivity for storage tank Resettable to 0 kWh Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 13 23:59 23:59 for the independent controller 23:59 1(2,3) Timeframe 1(2,3): Start 0:00... 6:00 6:00 for the tube collector function 23:59 Timeframe 1(2,3): Stop 0:00... 20:00 20:00 for the tube collector function 23:59 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 14 Switching on / off switch output A2 (pump2 / valve1) by hand 0 = off 1 = on Switching on / off switch output A3 (cooling, thermostat or 2nd temperature 0 = off difference controller function) by hand 1 = on Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 15 16 – System configuration 0...4 Glycol types (point 6): Anro Tyfocor L5.5 - supplied IIexan E, Glythermin Dowcal 10 Antifrogen L Dowcal 20 Antifrogen N Dowcal N IIexan E Tyfocor LS IIexan P Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 16 The higher priority cylinder can be selected in the “Basic Settings” menu point no. 10. Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 17 Corresponding values in menu “Basic adjustment” “Programming” 14 -- 1 Start temperature max ºC 15 -- 5 Hysteresis Td in K Timeframe (1…3) Start: min time Timeframe (1…3) Stop: max time Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 18 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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 19 As soon as the temperature drops below the “maximum collector temperature”, the system is started up again.This function has higher priority and is always active, regardless of whether the collector protection is on or off. Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 20 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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 21 0 = none thermostat function or the 2nd temperature differential controller Solar Cylinder System type type 0 ❑ Time control in secs Cylinder installed and commissioned in accordance with cylinder installation instructions Storage priority Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 22 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 23 Solarflo - Solar Thermal Domestic Hot Water System...

  • Page 24: Maintenance

    Cylinder Refer to manufacturers documentation. Solar fluid concentrations % volume Density at 20°C g/cu.cm Refractive Index nD20 Frost protection °C 1.023 1.3627 1.029 1.3690 1.033 1.3747 1.037 1.3801 1.042 1.3855 1.045 1.3910 Solarflo - Solar Thermal Domestic Hot Water System...

  • Page 25: Fault Finding

    • 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 Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 26 1347 1385 1461 1535 Is the 230/240V~ 1758 power supply at the controller Check wiring and rectify terminal block Is internal Replace internal fuse fuse operational Controller fault Replace controller Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 27 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 sensor Replace controller Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 28 Spares Diagrams not to scale M / N 10 / 20 LITRE Solarflo - Solar Thermal Domestic Hot Water System...
  • Page 29 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 30: Warranty

    Solarflo system. You should always contact your installer first because the fault may not be related to the Solarflo system. If your installer confirms that the fault is within the Solarflo system itself and he/she decides they cannot repair it our friendly customer service team is on hand to help.
  • Page 31 – The installation must be in an appropriate location and its use is restricted to potable water. – Due to the varied locations Solarflo collector/s can be installed Baxi Heating UK Ltd will only carry out warranty repair/replacement to Solarflo collector which have safe access provided that meets current Health &...
  • Page 32 Conditions of Sale which are available on request. B AX I A Trading Division of Baxi Heating UK Ltd, a division of Baxi Group. Brooks House, Coventry Road,Warwick. CV34 4LL After Sales Service and Technical Enquiries 08700 603261 Our contact centre is open Monday to Friday 8am to 6pm, Weekends and Bank Holidays 8.30am to 2pm.