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Baxi Potterton Solar Thermal Domestic Hot Water System Solar manual

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  • Page 1

    Commissioning, Maintenance & Ser vicing Guide P otter ton Solar - Solar Thermal Domestic Hot W ater System © Baxi Heating UK Ltd 2007. Please read these instructions bef ore installing or commissioning. Potterton Solar - Solar Thermal Domestic Hot W ater System should only be installed by a competent person. Please lea ve these instructions wi[...]

  • Page 2

    Potterton Solar - Solar Thermal Domestic Hot W ater System 2 I ndex © BAXI Heating UK Ltd 2007. All rights reserved. No part of this publication ma y be reproduced or transmitted in any form or b y any means, or stored in an y retrieval system of any natur e (including in any database), in each case whether electronic, mechanical, recording or oth[...]

  • Page 3

    Potterton Solar - Solar Thermal Domestic Hot W ater System 3 1 .0 Commissioning of system 1.1 Commissioning - General The Potterton Solar system uses a sealed system indirect solar primar y cir cuit which must be filled with the solar heat transfer fluid pr ovided. This is pr e-diluted to the appr opriate strength (40% glycol/60%water) and should n[...]

  • Page 4

    Potterton Solar - Solar Thermal Domestic Hot W ater System 4 1 .0 Commissioning of system 1.2 Flushing the pipew ork Befor e the system is commissioned the pipework must be fl ushed to r emo ve an y conta minant s. It is r ecomm ended that this is done using the solar heat transfer fluid as it will be impossible to fully drain all parts of the syst[...]

  • Page 5

    Potterton Solar - Solar Thermal Domestic Hot W ater System 5 2.0 Commissioning of h ydraulic station 2.1 Check pressur e in the solar primar y pipew ork After flushing and filling the solar primar y system with h eat transfer fluid the pr essure must be check ed. Pressur e test the system (6 bar). Observe the maximum pressur e ratings of all compon[...]

  • Page 6

    Potterton Solar - Solar Thermal Domestic Hot W ater System 6 2 .0 Commissioning of h ydraulic station 2.4 Checking and adjusting the flow rate Adjust the flow rate when the system is cold (20°C) (see Fig. 5). The flow rate should be adjusted to giv e the optimum flow rate depending on the number and type of collector panels connected. T urn the sl[...]

  • Page 7

    Potterton Solar - Solar Thermal Domestic Hot W ater System 7 G ra p h i c sy m b ol D e s c r i p t i on I n d i c a t i o n in o p e r a t i on I n d i c a t o r v a l u e s d T T emperature differ ence m i n Min value Appears when minimum values ar e indicated m a x Max value Appears when maximum values ar e indicated m i n Timeframe 1 start Appe[...]

  • Page 8

    Potterton Solar - Solar Thermal Domestic Hot W ater System 8 3 .0 Commissioning of solar contr oller G ra p h i c sy m b ol D e s c r i p t i on I n d i c a t i o n in o p e r a t io n M e a su r i n g p o i n t s a ss i g n m e n t T emperatur e measuring point collector array 1 T emperatur e measuring point collector array 2 T emperatur e measuri[...]

  • Page 9

    Potterton Solar - Solar Thermal Domestic Hot W ater System 9 B u t t o n F u n c t i on I c on a f t e r op e r a t i on s t e p D e s c r i p t i on " Exit" Exit menu's "Info" "Scroll right" Choosing menu "Pr ogramming" "Call" Call up menu "Pr ogramming", the first menu point appears[...]

  • Page 10

    Potterton Solar - Solar Thermal Domestic Hot W ater System 10 3 .0 Commissioning of solar contr oller 3 . 1 . 3 O p e ra t i n g m e n u T o mak e the operation of the controller clear , operating a nd displa y functions are divided into 4 main menus. These are • Info • Programming • Manual operation • Basic adjustment Each active men u is [...]

  • Page 11

    Potterton Solar - Solar Thermal Domestic Hot W ater System 11 3 . 1 . 4 O v e r v i e w : C o n s t r u c t i o n o f m e n u s t r u c t u r e The ov er view shows the whole menu structur e . A ccording to basic adjustment and system type some menu points ma y not be displa yed. I n f o P r og r a m M a n u a l op e ra t i o n B a s i c se t t i n[...]

  • Page 12

    Potterton Solar - Solar Thermal Domestic Hot W ater System 12 3 .0 Commissioning of solar contr oller 3 . 1 . 5 M e n u “ I n f o ” In this menu mode all measur ed values and operating s tates are sho wn. If the values are mark ed as “resettable”, they may be reset in the f ollowing way: Choose the value with buttons and Reset value by mean[...]

  • Page 13

    Potterton Solar - Solar Thermal Domestic Hot W ater System 13 3 .0 Commissioning of solar contr oller 3 . 1 . 6 M e n u “ P r og r a m m in g ” All adjustable parameters can be check ed in this menu and, if necessar y , changed. The default factor y set values will usually giv e efficient, problem fr ee operation. The number of indicated values[...]

  • Page 14

    Potterton Solar - Solar Thermal Domestic Hot W ater System 14 3 .0 Commissioning of solar contr oller 3 . 1 . 7 M e n u “ M a n u a l op e r a t i o n ” For commissioning, ser vice and test purposes the solar pri mary system c an be man ually o perate d. For t his purp ose t he switch outputs ma y be disconnected or connected. During manual ope[...]

  • Page 15

    Potterton Solar - Solar Thermal Domestic Hot W ater System 15 3 . 1 . 8 M e n u “ B a s ic a d j u s t m e n t ” Adjustments and changes in this menu must be car ried out only by a competent installer or service engineer . I n c o r r e c t a d j u st m e n t s m a y a d v e r se l y a f f e c t t h e fu n c t i o n o f c o n t r o ll e r a n d[...]

  • Page 16

    Potterton Solar - Solar Thermal Domestic Hot W ater System 16 3 .0 Commissioning of solar contr oller 3 . 1 . 9 C on t r o l le r f u n c t i on s The Potterton Solar differ ential temperature controller contains many functions to r egulate and monitor the s olar primar y system. Including - controller functions f or heating the solar cylinder - fu[...]

  • Page 17

    Potterton Solar - Solar Thermal Domestic Hot W ater System 17 “ B a s i c a d j u st m e n t ” “ P r o g r a m m i n g ” 14 -- 1 Start temperature max ºC 15 -- 5 Hysteresis Td in K Timeframe (1…3) Start: min time Timeframe (1…3) Stop: max time C o r r e s p o n d in g v a l u e s in m e n u “ B a s i c a d j u st m e n t ” “ P r [...]

  • Page 18

    Potterton Solar - Solar Thermal Domestic Hot W ater System 18 3 . 1 . 16 T e m p e r a t u r e d i f f e r e n c e c on t r o l The t empera ture d iffer ence c ontr ol mana ges an out put acc ordin g to adjus table t empera ture d iffer enti al crite ria. The f unctio n is indep endent f rom a ll the oth er funct ions. TDi ff1 is the t empera ture[...]

  • Page 19

    Potterton Solar - Solar Thermal Domestic Hot W ater System 19 3 . 2 . 2 F lo w m on it o r in g If th e energ y produ ctivi ty meas uremen t optio n is deactivated, the temperature difference betw een collector and storage tank is check ed. If it e xceed s the amo unt of (6 0K + dTm ax), it i s then int erprete d as an error be cause i n the cas e [...]

  • Page 20

    Potterton Solar - Solar Thermal Domestic Hot W ater System 20 3 . 2 . 5 F r o st p r ot e c t i on Th is fun ctio n can be s wit ched o n/of f in the “Ba sic s etti ngs” me nu, poi nt 11 an d the st art tem pera tur e can be a dju sted in p oint 1 3. Furt herm or e , a fr ost p ro tect ion se nsor c an be se lect ed (T1 -T6, poi nt 12) . F or s[...]

  • Page 21

    Potterton Solar - Solar Thermal Domestic Hot W ater System 21 Commissioning recor d T he following chart should be completed during Commissioning of the system. Installer : _______________________________ Contact details: _______________________________ Original installation date: _______________________________ G e n e r a l C o m m i ss i o n i n[...]

  • Page 22

    Potterton Solar - Solar Thermal Domestic Hot W ater System 22 D a t e Da t e D a t e Da t e D a t e Da t e D a t e D a t e D a t e D a t e Da t e D a t e Da t e / / / / / / / / / / / / / / / / / / / / / / / / / / Check condition of all pipew ork ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Check condition of insulation ❑ ❑ ❑ ❑ ❑ ?[...]

  • Page 23

    Potterton Solar - Solar Thermal Domestic Hot W ater System 23 D a t e Da t e D a t e Da t e D a t e Da t e D a t e D a t e D a t e D a t e Da t e D a t e Da t e / / / / / / / / / / / / / / / / / / / / / / / / / / Check condition of all pipew ork ❑❑❑❑❑❑❑❑❑❑❑❑❑ Check condition of insulation ❑❑❑❑❑❑❑❑❑❑❑?[...]

  • Page 24

    Potterton Solar - Solar Thermal Domestic Hot W ater System 24 4 .0 Maintenance 4.1 Check heat transfer fluid The heat transfer fluid must be check ed every two y ears with regar d to its antifreeze and pH value. - Check antifreeze using antifr eeze tester . T arget value is appr oximately -21 deg C (40% concentration). Do not allow to fall below 30[...]

  • Page 25

    Potterton Solar - Solar Thermal Domestic Hot W ater System 25 5 .0 Fault finding 5.1 Failures with er ror message Some system failure modes can be r ecognised by the solar differ ential temperature controller and will be indicated by an err or message on the controller displa y . Refer to the table below f or details of possible errors and suggeste[...]

  • Page 26

    Potterton Solar - Solar Thermal Domestic Hot W ater System 26 Resistance table PT1000. The corr ect function of temperature sensors can be c heck ed on the basis of the following temperature resistance table with a r esistance measuring instrument: 5 .0 Fault finding T e m p e r a t u r e i n º C R e s i s t a n c e i n O h m -30 8 82 -20 9 21 -10[...]

  • Page 27

    Potterton Solar - Solar Thermal Domestic Hot W ater System 27 5.0 Fault finding Y ES Pump symbol on controller r otates b ut pump does not operate P ump fault Replace pump Is controller to pump connection correct a nd secure YES Is the pump siezed NO NO N O Y ES C an the impeller be r evol ved using a screwdriv er after removing the air bleed sc re[...]

  • Page 28

    Potterton Solar - Solar Thermal Domestic Hot W ater System 28 6 .0 Spares A B C D E F G H I J K L Diagrams not to scale 10 / 20 LITRE O M/N PQ R[...]

  • Page 29

    Potterton Solar - Solar Thermal Domestic Hot W ater System 29 6.0 Spares 6.1 Spare parts A number of Spar e Par ts are a vailable should any part of t he Potterton Solar system requir e replacement. Use only genuine parts obtained from P otter ton, use of other non Potterton parts may cause system malfunctions and will invalidate the warranty . Fit[...]

  • Page 30

    Potterton Solar - Solar Thermal Domestic Hot W ater System 30 7.0 W arranty 7.1 Standard W arranty T erms & Conditions S olar Collectors 10 Y ears Solar Control Station 2 Y ears T o r eceive your fr ee warranty please complete the form s upplied with the Potterton Solar system within 30 da ys of installation, or simply call heateam, the service[...]

  • Page 31

    Potterton Solar - Solar Thermal Domestic Hot W ater System 31 W h a t t h is w a r r a n t y c o v e r s – Free of charge r epair or replacement of components found to be faulty fr om manufacture. – Free of charge r eplacement of the complete assemblies pro vided always that the failur e is related to a manufacturing fault that cannot be r epai[...]

  • Page 32

    Comp No 3600 5983 - Issue 1 - 5/07 All descriptions and illustr ations provided in this leaflet ha ve been carefully prepared but w e reser ve the right to make changes and improv ements in our products which may affect the accuracy of the information contained in this leaflet. All goods are sold subject to our standard Conditions of Sale which are[...]