Installation manual. Daikin Altherma Low temperature split EHVZ04S18CB EHVZ08S18CB EHVZ16S18CB

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1 EHVZ04S18CB EHVZ08S18CB EHVZ16S18CB English

2 CE - DECLARATION-OF-CONFORMITY CE - DECLARACION-DE-CONFORMIDAD CE - DECLARAÇÃO-DE-CONFORMIDADE CE - ERKLÆRING OM-SAMSVAR CE - IZJAVA-O-USKLAĐENOSTI CE - IZJAVA O SKLADNOSTI CE - ATITIKTIES-DEKLARACIJA CE - KONFORMITÄTSERKLÄRUNG CE - DICHIARAZIONE-DI-CONFORMITA CE - ЗАЯВЛЕНИЕ-О-СООТВЕТСТВИИ CE - ILMOITUS-YHDENMUKAISUUDESTA CE - MEGFELELŐSÉGI-NYILATKOZAT CE - VASTAVUSDEKLARATSIOON CE - ATBILSTĪBAS-DEKLARĀCIJA CE - DECLARATION-DE-CONFORMITE CE - ΔHΛΩΣΗ ΣΥΜΜΟΡΦΩΣΗΣ CE - OVERENSSTEMMELSESERKLÆRING CE - PROHLÁŠENÍ-O-SHODĚ CE - DEKLARACJA-ZGODNOŚCI CE - ДЕКЛАРАЦИЯ-ЗА-СЪОТВЕТСТВИЕ CE - VYHLÁSENIE-ZHODY CE - CONFORMITEITSVERKLARING CE - FÖRSÄKRAN-OM-ÖVERENSTÄMMELSE CE - DECLARAŢIE-DE-CONFORMITATE CE - UYGUNLUK-BEYANI deklruje n włsną i wyłączną odpowiedzilność, że urządzeni, których t deklrcj dotyczy: declră pe proprie răspundere că echipmentele l cre se referă cestă declrţie: z vso odgovornostjo izjvlj, d je oprem nprv, n ktero se izjv nnš: kinnit om täielikul vstutusel, et käesolev deklrtsiooni ll kuuluv vrustus: декларира на своя отговорност, че оборудването, за коeто се отнася тази декларация: visišk svo tskomye skeli, kd įrng, kurii tikom ši deklrcij: r pilnu tildīu pliecin, k tālāk prkstītās iekārts, uz kurām ttiecs šī deklrācij: vyhlsuje n vlstnú zodpovednosť, že zridenie, n ktoré s vzťhuje toto vyhlásenie: tmmen kendi sorumluluǧund olmk üzere u ildirinin ilgili olduǧu donnımının şǧıdki gii olduǧunu eyn eder: заявляет, исключительно под свою ответственность, что оборудование, к которому относится настоящее заявление: erklærer under enensvrlig, t udstyret, som er omfttet f denne erklæring: deklrerr i egenskp v huvudnsvrig, tt utrustningen som erörs v denn deklrtion inneär tt: erklærer et fullstendig nsvr for t det utstyr som erøres v denne deklrsjon inneærer t: ilmoitt yksinomn omll vstuulln, että tämän ilmoituksen trkoittmt litteet: prohlšuje ve své plné odpovědnosti, že zřízení, k němuž se toto prohlášení vzthuje: izjvljuje pod isključivo vlstitom odgovornošću d oprem n koju se ov izjv odnosi: teljes felelőssége tudtán kijelenti, hogy erendezések, melyekre e nyiltkozt vontkozik: Dikin Europe N.V. 01 declres under its sole responsiility tht the equipment to which this declrtion reltes: 0 erklärt uf seine lleinige Verntwortung dß die Ausrüstung für die diese Erklärung estimmt ist: 03 déclre sous s seule responsilité que l'équipement visé pr l présente déclrtion: 04 verklrt hierij op eigen exclusieve verntwoordelijkheid dt de pprtuur wrop deze verklring etrekking heeft: 05 declr jo su únic responsilidd que el equipo l que hce referenci l declrción: 06 dichir sotto l propri responsilità che gli pprecchi cui è riferit quest dichirzione: 07 δηλώνει με αποκλειστική της ευθύνη ότι ο εξοπλισμός στον οποίο αναφέρεται η παρούσα δήλωση: 08 declr so su exclusiv responsilidde que os equipmentos que est declrção se refere: EHVZ04S18CB3V, EHVZ08S18CB3V, EHVZ16S18CB3V, megfelelnek z lái szvány(ok)nk vgy egyé iránydó dokumentum(ok)nk, h zokt előírás szerint hsználják: spełniją wymogi nstępujących norm i innych dokumentów normlizcyjnych, pod wrunkiem że używne są zgodnie z nszymi instrukcjmi: sunt în conformitte cu următorul (următorele) stndrd(e) su lt(e) document(e) normtiv(e), cu condiţi c ceste să fie utilizte în conformitte cu instrucţiunile nostre: skldni z nslednjimi stndrdi in drugimi normtivi, pod pogojem, d se uporljjo v skldu z nšimi nvodili: on vstvuses järgmis(t)e stndrdi(te)g või teiste normtiivsete dokumentideg, kui neid ksuttkse vstvlt meie juhenditele: съответстват на следните стандарти или други нормативни документи, при условие, че се използват съгласно нашите инструкции: titink žemiu nurodytus stndrtus ir (r) kitus norminius dokumentus su sąlyg, kd yr nudojmi pgl mūsų nurodymus: td, j lietoti tilstoši ržotāj norādījumiem, tilst sekojošiem stndrtiem un citiem normtīviem dokumentiem: sú v zhode s nsledovnou(ými) normou(mi) leo iným(i) normtívnym(i) dokumentom(mi), z predpokldu, že s používjú v súlde s nšim návodom: ürünün, tlimtlrımız göre kullnılmsı koşuluyl şğıdki stndrtlr ve norm elirten elgelerle uyumludur: estão em conformidde com (s) seguinte(s) norm(s) ou outro(s) documento(s) normtivo(s), desde que estes sejm utilizdos de cordo com s nosss instruções: соответствуют следующим стандартам или другим нормативным документам, при условии их использования согласно нашим инструкциям: overholder følgende stndrd(er) eller ndet/ndre retningsgivende dokument(er), forudst t disse nvendes i henhold til vore instrukser: respektive utrustning är utförd i överensstämmelse med och följer följnde stndrd(er) eller ndr normgivnde dokument, under förutsättning tt nvändning sker i överensstämmelse med vår instruktioner: respektive utstyr er i overensstemmelse med følgende stndrd(er) eller ndre normgivende dokument(er), under forutssetning v t disse rukes i henhold til våre instrukser: vstvt seurvien stndrdien j muiden ohjeellisten dokumenttien vtimuksi edellyttäen, että niitä käytetään ohjeidemme mukisesti: z předpokldu, že jsou využívány v souldu s nšimi pokyny, odpovídjí následujícím normám neo normtivním dokumentům: u skldu s slijedećim stndrdom(im) ili drugim normtivnim dokumentom(im), uz uvjet d se oni koriste u skldu s nšim uputm: re in conformity with the following stndrd(s) or other normtive document(s), provided tht these re used in ccordnce with our instructions: der/den folgenden Norm(en) oder einem nderen Normdokument oder -dokumenten entspricht/entsprechen, unter der Vorussetzung, dß sie gemäß unseren Anweisungen eingesetzt werden: sont conformes à l/ux norme(s) ou utre(s) document(s) normtif(s), pour utnt qu'ils soient utilisés conformément à nos instructions: conform de volgende norm(en) of één of meer ndere indende documenten zijn, op voorwrde dt ze worden geruikt overeenkomstig onze instructies: están en conformidd con l(s) siguiente(s) norm(s) u otro(s) documento(s) normtivo(s), siempre que sen utilizdos de cuerdo con nuestrs instrucciones: sono conformi l(i) seguente(i) stndrd(s) o ltro(i) documento(i) crttere normtivo, ptto che vengno usti in conformità lle nostre istruzioni: είναι σύμφωνα με το(α) ακόλουθο(α) πρότυπο(α) ή άλλο έγγραφο(α) κανονισμών, υπό την προϋπόθεση ότι χρησιμοποιούνται σύμφωνα με τις οδηγίες μας: EN , Directivelor, cu mendmentele respective. Direktive z vsemi sprememmi. Direktiivid koos muudtusteg. Директиви, с техните изменения. Direktyvose su ppildymis. Direktīvās un to ppildinājumos. Smernice, v pltnom znení. Değiştirilmiş hlleriyle Yönetmelikler Direktiver, med senere ændringer. Direktiv, med företgn ändringr. Direktiver, med forettte endringer. Direktiivejä, sellisin kuin ne ovt muutettuin. v pltném znění. Smjernice, kko je izmijenjeno. irányelv(ek) és módosításik rendelkezéseit. z późniejszymi poprwkmi Directives, s mended. Direktiven, gemäß Änderung. Directives, telles que modifiées. Richtlijnen, zols gemendeerd. Directivs, según lo enmenddo. Direttive, come d modific. Οδηγιών, όπως έχουν τροποποιηθεί. Directivs, conforme lterção em. Директив со всеми поправками Low Voltge 014/35/EU Electromgnetic Comptiility 014/30/EU * o upoštevnju določ: vstvlt nõuetele: следвайки клаузите на: likntis nuosttų, pteikimų: ievērojot prsīs, ks noteikts: održivjúc ustnoveni: unun koşullrın uygun olrk: under igttgelse f estemmelserne i: enligt villkoren i: gitt i henhold til estemmelsene i: noudtten määräyksiä: z dodržení ustnovení předpisu: prem odredm: követi (z): zgodnie z postnowienimi Dyrektyw: în urm prevederilor: following the provisions of: gemäß den Vorschriften der: conformément ux stipultions des: overeenkomstig de eplingen vn: siguiendo ls disposiciones de: secondo le prescrizioni per: με τήρηση των διατάξεων των: de cordo com o previsto em: в соответствии с положениями: Забележка* 16 Megjegyzés* 11 Informtion* 06 Not* 01 Note* Pst* 17 Uwg* 1 Merk* 07 Σημείωση* s set out in <A> nd judged positively y <B> ccording to the Certificte <C>. wie in <A> ufgeführt und von <B> positiv eurteilt gemäß Zertifikt <C>. tel que défini dns <A> et évlué positivement pr <B> conformément u Certifict <C>. zols vermeld in <A> en positief eoordeeld door <B> overeenkomstig Certifict <C>. como se estlece en <A> y es vlordo positivmente por <B> de cuerdo con el Certificdo <C>. 0 Hinweis* DAIKIN.TCF.05H4/ <A> 3 Piezīmes* 18 Notă* enligt <A> och godkänts v <B> enligt Certifiktet <C>. som det fremkommer i <A> og gjennom positiv edømmelse v <B> ifølge Sertifikt <C>. jotk on esitetty sikirjss <A> j jotk <B> on hyväksynyt Sertifiktin <C> mukisesti. jk ylo uvedeno v <A> pozitivně zjištěno <B> v souldu s osvědčením <C>. kko je izloženo u <A> i pozitivno ocijenjeno od strne <B> prem Certifiktu <C>. 13 Huom* delineto nel <A> e giudicto positivmente d <B> secondo il Certificto <C>. όπως καθορίζεται στο <A> και κρίνεται θετικά από το <B> σύμφωνα με το Πιστοποιητικό <C>. tl como estelecido em <A> e com o precer positivo de <B> de cordo com o Certificdo <C>. как указано в <A> и в соответствии с положительным решением <B> согласно Свидетельству <C>. som nført i <A> og positivt vurderet f <B> i henhold til Certifikt <C>. 08 Not* 03 Remrque* DEKRA (NB0344) <B> 4 Poznámk* (z) <A> lpján, (z) <B> igzolt megfelelést, (z) <C> tnúsítvány szerint. zgodnie z dokumentcją <A>, pozytywną opinią <B> i Świdectwem <C>. ş cum este stilit în <A> şi precit pozitiv de <B> în conformitte cu Certifictul <C>. kot je določeno v <A> in odoreno s strni <B> v skldu s certifiktom <C>. ngu on näidtud dokumendis <A> j heks kiidetud <B> järgi vstvlt sertifikdile <C>. 19 Opom* 14 Poznámk* 09 Примечание* 04 Bemerk* QUA/EMC <C> както е изложено в <A> и оценено положително от <B> съгласно Сертификата <C>. kip nusttyt <A> ir kip teigimi nuspręst <B> pgl Sertifiktą <C>. kā norādīts <A> un tilstoši <B> pozitīvjm vērtējumm sskņā r sertifikātu <C>. ko olo uvedené v <A> pozitívne zistené <B> v súlde s osvedčením <C>. <A> d elirtildiği gii ve <C> Sertifiksın göre <B> trfındn olumlu olrk değerlendirildiği gii. 5 Not* 0 Märkus* 15 Npomen* 10 Bemærk* 05 Not* Shigeki Morit Director Ostend, 1st of April 016 3P F

3 Tle of Contents Tle of Contents 1 Aout the documenttion Aout this document... 3 Aout the ox 3.1 Indoor unit To remove the ccessories from the indoor unit Preprtion Prepring the instlltion site Instlltion site requirements of the indoor unit Prepring wter piping To check the wter volume nd flow rte Prepring electricl wiring Overview of electricl connections for externl nd internl ctutors Instlltion Opening the units To open the indoor unit To open the switch ox cover of the indoor unit Mounting the indoor unit To instll the indoor unit Connecting the refrigernt piping To connect the refrigernt piping to the indoor unit Connecting the wter piping To connect the wter piping To connect the recircultion piping To fill the wter circuit To fill the domestic hot wter tnk To insulte the wter piping Connecting the electricl wiring Aout electricl complince To connect the electricl wiring on the indoor unit To connect the min power supply To connect the ckup heter power supply To connect the user interfce To connect the shut-off vlve To connect the electricl meters To connect the domestic hot wter pump To connect the lrm output To connect the chngeover to externl het source To connect the power consumption digitl inputs To connect the sfety thermostt (norml closed contct) Finishing the indoor unit instlltion To fix the user interfce cover to the indoor unit To close the indoor unit Configurtion Overview: Configurtion To ccess the most used commnds Bsic configurtion Quick wizrd: Lnguge / time nd dte Quick wizrd: Stndrd Quick wizrd: Options Quick wizrd: Cpcities (energy metering) Spce heting control Domestic hot wter control Contct/helpdesk numer Menu structure: Overview instller settings Commissioning Checklist efore commissioning Checklist during commissioning To check the minimum flow rte To perform n ir purge To perform test run To perform n ctutor test run To perform n underfloor heting screed dryout Hnd-over to the user 1 8 Technicl dt Piping digrm: Indoor unit Wiring digrm: Indoor unit Aout the documenttion 1.1 Aout this document Trget udience Authorised instllers Documenttion set This document is prt of documenttion set. The complete set consists of: Generl sfety precutions: Sfety instructions tht you must red efore instlling Formt: Pper (in the ox of the indoor unit) Indoor unit instlltion mnul: Instlltion instructions Formt: Pper (in the ox of the indoor unit) Outdoor unit instlltion mnul: Instlltion instructions Formt: Pper (in the ox of the outdoor unit) Instller reference guide: Preprtion of the instlltion, good prctices, reference dt, Formt: Digitl files on Addendum ook for optionl equipment: Additionl info out how to instll optionl equipment Formt: Pper (in the ox of the indoor unit) + Digitl files on Ltest revisions of the supplied documenttion my e ville on the regionl Dikin wesite or vi your deler. The originl documenttion is written in English. All other lnguges re trnsltions. Technicl engineering dt A suset of the ltest technicl dt is ville on the regionl Dikin wesite (pulicly ccessile). The full set of ltest technicl dt is ville on the Dikin extrnet (uthentiction required). Aout the ox.1 Indoor unit.1.1 To remove the ccessories from the indoor unit 1 Remove the screws t the top of the unit. Remove the top pnel. 3

4 3 Preprtion 3 Remove the screws t the front of the unit. 4 Push on the utton on the ottom of the front plte. 5 Remove the front plte. 3 Preprtion 3.1 Prepring the instlltion site WARNING: Shrp edges Tke the front plte on the upper prt insted of the lower prt. Wtch your fingers, there re shrp edges on the lower prt of the front plte. 1 ~e+i This unit is designed for opertion on temperture zones: underfloor heting in the min zone, this is the zone with the lowest wter temperture, rditors in the dditionl zone, this is the zone with the highest wter temperture Instlltion site requirements of the indoor unit h 4 The indoor unit is designed for indoor instlltion only nd for mient tempertures rnging from 5~35 C. Mind the following spcing instlltion guidelines: 5 >10 >10 >500 f+g 4 (mm) 3 6 When the temperture in multiple rooms is controlled y 1 thermostt, do NOT plce thermosttic vlve on the emitter in the room where the thermostt is instlled. Remove the ccessories. 1 c 1 d Prepring wter piping e 4 f g h 1 i In cse of plstic pipes, mke sure they re fully oxygen diffusion tight ccording to DIN 476. The diffusion of oxygen into the piping cn led to excessive corrosion c d e f g h i 7 Generl sfety precutions Addendum ook for optionl equipment Indoor unit instlltion mnul Opertion mnul Seling ring for shut-off vlve Shut-off vlve with drin/fill point Shut-off vlve User interfce cover screws for fixing the user interfce. Reinstll the top pnel nd the front plte. To check the wter volume nd flow rte Minimum wter volume Check tht the totl wter volume in the instlltion is minimum 10 litre for EHVZ04+08 nd 0 litre for EHVZ16, the internl wter volume of the indoor unit NOT included. Do NOT split up the minimum wter volume over the temperture zones. It is sufficient to foresee the minimum wter volume on the min zone. In cse of underfloor heting, this is esily done y 1 floor heting loop tht never will e closed y (remotely) controlled vlve. It is NOT required to foresee the minimum wter volume on the dditionl zone. When circultion in ech spce heting/cooling loop is controlled y remotely controlled vlves, it is importnt tht the minimum wter volume is gurnteed, even if ll of the vlves re closed. 4

5 4 Instlltion Minimum flow rte Check tht the minimum flow rte (required during defrost/ckup heter opertion) in the instlltion is gurnteed in ll conditions on ech zone seprtely. When circultion in ech or certin spce heting loops is controlled y remotely controlled vlves, it is importnt tht the minimum flow rte is gurnteed, even if ll vlves re closed. In cse the minimum flow rte cnnot e reched, flow error 7H will e generted (no heting or opertion). See the instller reference guide for more informtion. Minimum required flow rte during defrost/ckup heter opertion models 1 l/min 16 model 15 l/min See the recommended procedure s descried in "6. Checklist during commissioning" on pge Prepring electricl wiring Overview of electricl connections for externl nd internl ctutors Item Description Wires Mximum running current Outdoor unit nd indoor unit power supply 1 Power supply for outdoor unit +GND or 3+GND Power supply nd 3 (c) interconnection cle to indoor unit 3 Power supply for ckup heter 4 Preferentil kwh rte power supply (voltge free contct) 5 Norml kwh rte power supply User interfce () See tle elow. (d) 6.3 A 6 User interfce (e) Optionl equipment 11 Power supply for ottom plte heter () 1 Room thermostt or ma () 13 Outdoor mient temperture sensor 14 Indoor mient temperture sensor () () 15 Het pump convector 100 ma () Field supplied components 16 Shut-off vlve 100 ma () 17 Electricity meter (per meter) () 18 Domestic hot wter pump () 19 Alrm output () 0 Chngeover to externl het source control 1 Spce heting opertion control () () Item Description Wires Mximum running current Power consumption digitl inputs 3 Sfety thermostt for the min zone 4 Sfety thermostt for the dditionl zone () () (c) (d) (e) (per input signl) () () (d) Refer to nme plte on outdoor unit. Minimum cle section 0.75 mm². Cle section.5 mm². Cle section 0.75 mm² till 1.5 mm²; mximum length: 50 m. Voltge-free contct shll ensure the minimum pplicle lod of 15 V DC, 10 ma. Cle section 0.75 mm² till 1.5 mm²; mximum length: 500 m. Applicle for oth single user interfce nd dul user interfce connection. More technicl specifictions of the different connections re indicted on the inside of the indoor unit. A sfety thermostt (norml closed contct) MUST e instlled for the min zone. See "4.5.1 To connect the sfety thermostt (norml closed contct)" on pge 11. Bckup heter type Power supply *3V 1 30 V +GND 4 Instlltion 4.1 Opening the units To open the indoor unit Required numer of conductors 1 Loosen nd remove the screws t the ottom of the unit. Push on the utton t the ottom of the front plte. WARNING: Shrp edges Tke the front plte on the upper prt insted of the lower prt. Wtch your fingers, there re shrp edges on the lower prt of the front plte. 3 Slide the front pnel of the unit downwrds nd remove it. CAUTION The front pnel is hevy. Be creful NOT to jm your fingers when opening or closing the unit. 4 Loosen nd remove the 4 screws tht fix the top pnel. 5 Remove the top pnel from the unit. 5

6 4 Instlltion 3 4 Adjust the height of the leveling feet to compenste for floor irregulrities. The mximum llowed devition is Do NOT tilt the unit ckwrds: To open the switch ox cover of the indoor unit Connecting the refrigernt piping See the outdoor unit instlltion mnul for ll guidelines, specifictions nd instlltion instructions To connect the refrigernt piping to the indoor unit Connect the liquid stop vlve from the outdoor unit to the refrigernt liquid connection of the indoor unit. 4. Mounting the indoor unit 4..1 To instll the indoor unit 1 Lift the indoor unit from the pllet nd plce it on the floor kg Refrigernt liquid connection Refrigernt gs connection Connect the gs stop vlve from the outdoor unit to the refrigernt gs connection of the indoor unit. 4.4 Connecting the wter piping To connect the wter piping Do NOT use excessive force when connecting the piping. Deformtion of the piping cn cuse mlfunctioning of the unit. Slide the indoor unit into position. 6 To fcilitte service nd mintennce, 4 shut-off vlves re provided. Mount the vlves on the spce heting wter inlet nd spce heting wter outlet. Mind their position: the integrted drin vlves will only

7 4 Instlltion drin the side of the circuit on which they re locted. To e le to only drin the unit, mke sure the drin vlves re positioned etween the shut off vlves nd the unit. This unit is designed for opertion on temperture zones: underfloor heting in the min zone, this is the zone with the lowest wter temperture, rditors in the dditionl zone, this is the zone with the highest wter temperture. 1 Instll the shut-off vlves on the spce heting wter pipes. Screw the indoor unit nuts on the shut-off vlve. 3 Connect the domestic hot wter in nd out pipes to the indoor unit. c e f d 5 Cut out prt (c) on the left or right side from the top insultion. Tnk cpcity Cut out position 180 l Left OR right c 6 Connect the recircultion piping to the recircultion connection () nd route the piping through the hole t the ckside of the unit (). c d e f Spce heting dditionl zone wter out Spce heting dditionl zone wter in Domestic hot wter out Domestic cold wter in (cold wter supply) Spce heting min zone wter out Spce heting min zone wter in It is recommended to instll shut-off vlves to domestic cold wter in nd domestic hot wter out connections. These shut-off vlves re field supplied. Piping intke hole Recircultion connection c Cut-out loction 7 Rettch the top insultion, expnsion vessel, nd csing To fill the wter circuit 1 Connect the wter supply hose to the fill vlve. Instll ir purge vlves t ll locl high points. A pressure relief vlve (field supply) with n opening pressure of mximum 10 r must e instlled on the domestic cold wter inlet connection in ccordnce with the pplicle legisltion To connect the recircultion piping Prerequisite: Only required if you need recircultion in your system. 1 Loosen nd remove the 4 screws tht fix the top pnel. Remove the top pnel from the unit. 4 Plese fill with wter through connection OR. Both circuits (min nd dditionl) will e filled. Open the fill vlve. 3 Mke sure tht the utomtic ir purge vlve is open (t lest turns). 4 Fill the circuit with wter until the mnometer indictes pressure of ±.0 r. 5 Purge s much ir s possile from the wter circuit. 6 Close the fill vlve. 7 Disconnect the wter supply hose from the fill vlve To fill the domestic hot wter tnk 3 Disconnect nd remove the expnsion vessel of the top insultion. 4 Remove the top insultion. 1 Open every hot wter tp in turn to purge ir from the system pipe work. Open the cold wter supply vlve. 3 Close ll wter tps fter ll ir is purged. 4 Check for wter leks. 7

8 4 Instlltion 5 Mnully operte the field-instlled pressure relief vlve to ensure free wter flow through the dischrge pipe To ccess the domestic hot wter temperture sensor, the switch ox cn e tilted. The switch ox should NOT e removed from the unit. To insulte the wter piping The piping in the complete wter circuit MUST e insulted to prevent condenstion during defrost opertion nd reduction of the heting cpcity. If the temperture is higher thn 30 C nd the humidity is higher thn RH 80%, the thickness of the insultion mterils should e t lest 0 mm to prevent condenstion on the surfce of the insultion. Routing Possile cles (depending on unit type nd instlled options) Preferentil power supply contct Low voltge User interfce Power consumption digitl inputs (field supply) Outdoor (option) Connecting the electricl wiring 4.5 Indoor mient (option) DANGER: RISK OF ELECTROCUTION To connect the electricl wiring on the indoor unit To open the indoor unit, see "4.1.1 To open the indoor unit" on pge 5 nd "4.1. To open the switch ox cover of the indoor unit" on pge 6. Wiring should enter the unit from the top: temperture sensor Sfety thermostt for the dditionl zone (field supply) Aout electricl complince See "4.5.4 To connect the ckup heter power supply" on pge 9. 1 sensor Sfety thermostt for the min zone (field supply) ALWAYS use multicore cle for power supply cles temperture Electricl meters (field supply) WARNING mient +c Interconnection cle High voltge power supply Norml kwh rte power supply Preferentil kwh rte power supply Power supply for ckup heter Power supply for ottom plte heter (option) c Het pump convector (option) High voltge control signl Room thermostt (option) Shut-off vlve (field supply) Domestic hot wter pump (field supply) Alrm output Chngeover control to externl het source Spce heting opertion control CAUTION 3 Do NOT push or plce redundnt cle length in the unit. Routing of the wiring inside the unit should e s follows: +c To connect the min power supply Connect the min power supply. In cse of norml kwh rte power supply X1A X19A X5M X6YB XM KM A5P K3M X6Y X6YA X1M 4 Fix the cle with cle ties to the cle tie mountings to ensure strin relief nd to mke sure tht it does NOT come in contct with the piping nd shrp edges

9 Legend: see illustrtion elow. In cse of preferentil kwh rte power supply Connect X6Y to X6YB. 3 4 X5M X1A X19A Bckup heter type 3 kw 1~ 30 V (*3V) 4 Instlltion Connections to ckup heter power supply F1B XM X6Y X6YB L N K3M KM XM A5P X1M X1M c c S1S L N L N Interconnection cle (=min power supply) Norml kwh rte power supply Preferentil power supply contct Fix the cles with cle ties to the cle tie mountings. In cse of preferentil kwh rte power supply, connect X6Y to X6YB. The necessity of seprte norml kwh rte power supply to indoor unit () XM/30+31 depends on the type of preferentil kwh rte power supply. Seprte connection to the indoor unit is required: if preferentil kwh rte power supply is interrupted when ctive, OR if no power consumption of the indoor unit is llowed t the preferentil kwh rte power supply when ctive. The preferentil kwh rte power supply contct is connected to the sme terminls (X5M/3+4) s the sfety thermostt for the dditionl zone. It is only possile for the system to hve EITHER preferentil kwh rte power supply OR sfety thermostt for the dditionl zone. Fix the cle with cle ties to the cle tie mountings To connect the user interfce If you use 1 user interfce, you cn instll it t the indoor unit (for control close to the indoor unit), or in the room (when used s room thermostt). If you use user interfces, you cn instll 1 user interfce t the indoor unit (for control close to the indoor unit) + 1 user interfce in the room (used s room thermostt). The user interfce cn only e used s room thermostt of the min zone. The procedure differs slightly depending on where you instll the user interfce To connect the ckup heter power supply CAUTION To gurntee the unit is completely erthed, lwys connect the ckup heter power supply nd the erth cle. Mke sure tht the power supply is in ccordnce with the ckup heter cpcity, s listed in the tle elow. Bckup heter type Bckup heter cpcity Power supply Mximum running current Z mx (Ω) *3V 3 kw 1~ 30 V 13 A 1 Connect the ckup heter power supply. A doule pole fuse is used for F1B. 9

10 4 Instlltion # 1 At the indoor unit In the room 4A From the rer 4B From the left Connect the user interfce cle to the indoor unit. Fix the cle with cle ties to the cle tie mountings. 1 X5M PCB PCB 1 1 4C From the top 4D From the top centre A5P AP PCB PCB AP 1 1 Min user interfce () Optionl user interfce Insert screwdriver into the slots underneth the user interfce nd crefully seprte the fceplte from the wllplte The PCB is mounted in the fceplte of the user interfce. Be creful NOT to dmge it. Notch this prt for the wiring to pss through with nippers etc. Secure the wiring to the front prt of the csing using the wiring retiner nd clmp. To connect the shut-off vlve Connect the vlve control cle to the pproprite terminls s shown in the illustrtion elow. Wiring is different for NC (norml closed) vlve nd NO (norml open) vlve. 3 Use the screws in the ccessory g to fix the wllplte of the user interfce to the sheet metl of the unit. NO Fix the wllplte of the user interfce to the wll. 5 Be creful NOT to distort the shpe of the ckside of the user interfce y overtightening the mounting screws. 67 NC K3M X1M KM MS MS Fix the cle with cle ties to the cle tie mountings. 4 Connect s shown in 4A. 5 Reinstll the fceplte onto the wllplte. Be creful NOT to pinch the wiring when ttching the frontplte to the unit. In cse of n electricl meter with trnsistor output, check the polrity. The positive polrity MUST e connected to X5M/7 nd X5M/9; the negtive polrity to X5M/8 nd X5M/10. () Connect s shown in 4A, 4B, 4C or 4D. XM K3M X1M KM 567 XM The min user interfce is required for opertion, ut hs to e ordered seprtely (mndtory option) To connect the electricl meters Connect the electricl meters cle to the pproprite terminls s shown in the illustrtion elow.

11 4 Instlltion X5M To connect the chngeover to externl het source 1 Connect the chngeover to externl het source cle to the pproprite terminls s shown in the illustrtion elow. X5M A5P A4P XM X1 X X3 X4 A5P SS S3S Fix the cle with cle ties to the cle tie mountings To connect the domestic hot wter pump 1 Connect the domestic hot wter pump cle to the pproprite terminls s shown in the illustrtion elow. XM L N Instlltion of EKRP1HB is required. Fix the cle with cle ties to the cle tie mountings. K3M KM X1M To connect the power consumption digitl inputs 1 Connect the power consumption digitl inputs cle to the pproprite terminls s shown in the illustrtion elow. X5M MP 1~ M Fix the cle with cle ties to the cle tie mountings. X801M A8P To connect the lrm output A5P 1 Connect the lrm output cle to the pproprite terminls s shown in the illustrtion elow. X5M XM 9 S6S S7S S8S S9S Instlltion of EKRP1AHTA is required. Fix the cle with cle ties to the cle tie mountings. A4P X1M YC Y1 Y Y3 Y4 A5P K3M KM X1M To connect the sfety thermostt (norml closed contct) Min zone 1 Connect the sfety thermostt (norml closed) cle to the pproprite terminls s shown in the illustrtion elow. Instlltion of EKRP1HB is required. Fix the cle with cle ties to the cle tie mountings. 11

12 5 Configurtion X5M 11 1 After it is instlled, do NOT forget to configure the sfety thermostt for the dditionl zone. Without configurtion, the indoor unit will ignore the sfety thermostt contct. A5P The preferentil kwh rte power supply contct is connected to the sme terminls (X5M/3+4) s the sfety thermostt for the dditionl zone. It is only possile for the system to hve EITHER preferentil kwh rte power supply OR sfety thermostt for the dditionl zone. 4.6 Finishing the indoor unit instlltion Fix the cle with cle ties to the cle tie mountings. Instlltion of sfety thermostt (field supply) is required for the min zone, otherwise the unit will NOT operte To fix the user interfce cover to the indoor unit 1 Mke sure tht the front pnel is removed from the indoor unit. See "4.1.1 To open the indoor unit" on pge 5. Plug the user interfce cover into the hinges. A sfety thermostt MUST e instlled on the min zone to void too high wter tempertures in this zone. The sfety thermostt is typiclly thermostticlly controlled vlve with norml closed contct. When the wter temperture in the min zone is too high, the contct will open nd the user interfce will show 8H 0 error. ONLY the min pump will stop. Additionl zone 3 Connect the sfety thermostt (norml closed) cle to the pproprite terminls s shown in the illustrtion elow. 3 4 X5M 3 Mount the front pnel to the indoor unit To close the indoor unit 1 Close the switch ox cover. Reinstll the top plte. 3 Reinstll the front pnel. When closing the indoor unit cover, mke sure tht the tightening torque does NOT exceed 4.1 N m. 4 Fix the cle with cle ties to the cle tie mountings. Mke sure to select nd instll the sfety thermostt for the dditionl zone ccording to the pplicle legisltion. In ny cse, to prevent unnecessry tripping of the sfety thermostt, it is recommended tht the sfety thermostt is utomticlly resettle. the sfety thermostt hs mximum temperture vrition rte of C/min. there is minimum distnce of m etween the sfety thermostt nd the 3 wy vlve. 5 Configurtion 5.1 Overview: Configurtion This chpter descries wht you hve to do nd know to configure the system fter it is instlled. The explntion out the configurtion in this chpter gives you ONLY sic explntions. For more detiled explntion nd ckground informtion, see the instller reference guide. 1

13 5 Configurtion Why If you do NOT configure the system correctly, it might NOT work s expected. The configurtion influences the following: The clcultions of the softwre Wht you cn see on nd do with the user interfce How You cn configure the system vi the user interfce. First time Quick wizrd. When you turn ON the user interfce for the first time (vi the indoor unit), quick wizrd strts to help you configure the system. Afterwrds. If necessry, you cn mke chnges to the configurtion fterwrds. When the instller settings re chnged, the user interfce will request to confirm. When confirmed, the screen will shortly turn OFF nd "usy" will e displyed for severl seconds. Accessing settings Legend for tles You cn ccess the instller settings using two different methods. However, NOT ll settings re ccessile vi oth methods. If so, the corresponding tle columns in this chpter re set to N/A (not pplicle). Method Accessing settings vi the redcrum in the menu structure. Accessing settings vi the code in the overview settings. See lso: "To ccess the instller settings" on pge 13 Column in tles # Code "5.3 Menu structure: Overview instller settings" on pge To ccess the most used commnds To ccess the instller settings 1 Set the user permission level to Instller. Go to [A]: > Instller settings. To ccess the overview settings 1 Set the user permission level to Instller. Go to [A.8]: > Instller settings > Overview settings. To set the user permission level to Instller 1 Set the user permission level to Adv. end user. Go to [6.4]: > Informtion > User permission level. 3 Press for more thn 4 seconds. Result: is displyed on the home pges. 4 If you do NOT press ny utton for more thn 1 hour or press gin for more thn 4 seconds, the instller permission level switches ck to End user. To set the user permission level to Advnced end user 1 Go to the min menu or ny of its sumenus:. Press for more thn 4 seconds. Result: The user permission level switches to Adv. end user. Additionl informtion is displyed nd "+" is dded to the menu title. The user permission level will sty in Adv. end user until set otherwise. To set the user permission level to End user 1 Press for more thn 4 seconds. Result: The user permission level switches to End user. The user interfce will return to the defult home screen. To modify n overview setting Exmple: Modify [1 01] from 15 to 0. 1 Go to [A.8]: > Instller settings > Overview settings. Go to the corresponding screen of the first prt of the setting y using the nd utton c An dditionl 0-digit is dded to the first prt of the setting when you ccess the codes in the overview settings. Exmple: [1 01]: "1" will result in "01" Overview settings d 0e f Confirm Adjust Scroll 3 Go to the corresponding second prt of the setting y using the nd utton c Overview settings d 0e f Confirm Adjust Scroll Result: The vlue to e modified is now highlighted. 4 Modify the vlue y using the nd utton c d Overview settings e f Confirm Adjust Scroll 5 Repet previous steps if you hve to modify other settings. 6 Push to confirm the modifiction of the prmeter. 7 At instller settings menu, press to confirm the settings. Instller settings The system will restrt. OK Confirm Adjust Result: The system will restrt. Cncel Bsic configurtion 5..1 Quick wizrd: Lnguge / time nd dte # Code Description [A.1] N/A Lnguge [1] N/A Time nd dte 13

14 5 Configurtion 5.. Quick wizrd: Stndrd Bckup heter configurtion (only for *9W model) # Code Description [A..1.5] [5-0D] BUH type: Bckup heter rely setting Rely setting 1 (1P,(1/1+)): 6 kw 1~ 30 V (*9W) 3 (3P,(1/1+)): 6 kw 3~ 30 V (*9W) 4 (3PN,(1/)): 6 kw 3N~ 400 V (*9W) 5 (3PN,(1/1+)): 9 kw 3N~ 400 V (*9W) If ckup heter step 1 is ctive: Bckup heter opertion If ckup heter step is ctive: 1/1+ Rely 1 ON Relys 1+ ON 1/ Rely 1 ON Rely ON Spce heting settings # Code Description [A..1.7] [C-07] Unit temperture control: 0 (LWT control): Unit opertion is decided sed on the leving wter temperture. This pplies to oth temperture zones. 1 (Ext RT control): Unit opertion is decided y the externl thermostt. This pplies to oth temperture zones. (RT control): Unit opertion for the min temperture zone is decided sed on the mient temperture of the user interfce. The dditionl temperture zone is controlled y the externl thermostt. [A..1.B] N/A Only if there re user interfces: User interfce loction: At unit In room (controlling the min zone) [A..1.8] [7-0] Numer of wter temperture zones: 0 (1 LWT zone): Min [A..1.9] [F-0D] Pump opertion: 1 ( LWT zones): Min + dditionl This is pplicle for oth zones 0 (Continuous): Continuous pump opertion, regrdless of thermo ON or OFF condition. 1 (Smple): When thermo OFF condition occurs, the pump runs every 5 minutes nd the wter temperture is checked. If the wter temperture is elow trget, unit opertion cn strt. (Request): Pump opertion sed on request. Exmple: Using room thermostt nd thermostt cretes thermo ON/OFF condition Quick wizrd: Options Domestic hot wter settings # Code Description [A...1] [E-05] DHW opertion: Cn the system prepre domestic hot wter? 0 (No): NOT instlled 1 (Yes): Instlled [A...3] [E-07] DHW tnk type: 0 (Type 1): N/A. 1 (Type )(defult). The ckup heter will lso e used for domestic hot wter heting. Rnge: 0~6. However, vlues ~6 re not pplicle for this setting. If the setting is set to 6, n error code will pper nd the system will NOT operte. [A...A] [D-0] Domestic hot wter pump: 0 (No): NOT instlled 1 (Secondry rtrn): Instlled for instnt hot wter (Disinf. shunt): Instlled for disinfection See lso illustrtions elow. Domestic hot wter pump instlled for Instnt hot wter c d e f g c f g Indoor unit Tnk Domestic hot wter pump Heter element Non return vlve Shower Cold wter Thermostts nd externl sensors Disinfection Following comintions re possile to control the unit (not pplicle when [C 07]=0): When [C 07]= (RT control) User interfce t indoor unit (1) When [C 07]=1 (Ext RT control) User interfce t indoor unit User interfce t min zone Externl room thermostt t min zone c d e Externl room thermostt t dditionl zone Externl room thermostt t dditionl zone f g (1) Not mndtory. 14

15 5 Configurtion If n externl room thermostt is used, the externl room thermostt will control the room frost protection. However, the room frost protection is only possile if the leving wter temperture control on the unit's user interfce is turned ON. # Code Description [A...4] [C-05] Externl room thermostt for the min zone: 1 (Thermo ON/OFF): When the used externl room thermostt or het pump convector cn only send thermo ON/OFF condition. (H/C request): Becuse only heting is possile, the used externl room thermostt cn only send thermo ON/OFF condition. [A...5] [C-06] Externl room thermostt for the dditionl zone: 0: N/A [A...B] [C-08] Externl sensor: Digitl I/O PCB 1 (Thermo ON/OFF): When the used externl room thermostt or het pump convector cn only send thermo ON/OFF condition. (H/C request): Becuse only heting is possile, the used externl room thermostt cn only send thermo ON/OFF condition. 0 (No): NOT instlled. 1 (Outdoor sensor): Connected to PCB mesuring the outdoor temperture. (Room sensor): Connected to PCB mesuring the indoor temperture. # Code Description [A...6.1] [C-0] Externl ckup heter source: 0 (No): None 1 (Bivlent): Gs, oil oiler : N/A 3: N/A # Code Description [A...6.3] [C-09] Alrm output on optionl EKRP1HB PCB: 0 (Normlly open): The lrm output will e powered when n lrm occurs. By setting this vlue, distinction is mde etween the detection of n lrm, nd the detection of power filure. 1 (Normlly closed): The lrm output will NOT e powered when n lrm occurs. See lso tle elow (Alrm output logic). [A...6.4] [F-04] Bottom plte heter Alrm output logic 0 (No): NOT instlled 1 (Yes): Instlled [C-09] Alrm No lrm No power supply to unit 0 (defult) Closed output Open output Open output 1 Open output Closed output Demnd PCB # Code Description [A...7] [D-04] Demnd PCB Energy metering Only pplicle for EHVZ Indictes if the optionl demnd PCB is instlled. 0 (No) 1 (Pwr consmp ctrl) # Code Description [A...8] [D 08] Optionl externl kwh meter 1: 0 (No): NOT instlled 1: Instlled (0.1 pulse/kwh) : Instlled (1 pulse/kwh) 3: Instlled (10 pulse/kwh) 4: Instlled (100 pulse/kwh) 5: Instlled (1000 pulse/kwh) [A...9] [D 09] Optionl externl kwh meter : 0 (No): NOT instlled 1: Instlled (0.1 pulse/kwh) : Instlled (1 pulse/kwh) 3: Instlled (10 pulse/kwh) 4: Instlled (100 pulse/kwh) 5: Instlled (1000 pulse/kwh) 5..4 Quick wizrd: Cpcities (energy metering) # Code Description [A..3.1] [6-0] N/A [A..3.6] [6-07] Bottom plte heter cpcity [W] 15

16 5 Configurtion 5..5 Leving wter temperture: Delt T source Spce heting control # Leving wter temperture: Min zone # [A ] Code N/A Code [9-09] [A ] Description Set point mode: dep.): Wether- (Fixed/scheduled): Asolute + scheduled (only for leving wter temperture control) 3 (WD/scheduled): Wetherdependent + scheduled (only for leving wter temperture control) [ ] [1-00] [1-01] Leving wter temperture: Modultion # Code [A ] [8-05] 1 (Yes): Enled. The leving wter temperture is clculted ccording to the difference etween desired nd ctul room temperture. This llows etter mtching of the het pump cpcity to ctul required cpcity nd results in less strt/stop cycles of the het pump nd more economic opertion. Wether-dependent curve: Tt [1-0] [1-03] [1-00] [1-01] T N/A [8-06] # 0 C~10 C (defult: 3 C) T: Outdoor temperture Requires modultion to e enled. Code N/A This is the vlue y which the desired leving wter temperture is incresed or lowered. Description Set point mode: 0 (Fixed): Asolute 1 (Wether dependent dep.): When leving wter temperture modultion is enled, the wether dependent curve needs to e set to higher position thn [8-06] plus the minimum leving wter temperture setpoint required to rech stle condition on the comfort setpoint for the room. To increse efficiency, modultion cn lower the leving wter setpoint. By setting the wether dependent curve to higher position, it cnnot drop elow the minimum setpoint. Refer to the illustrtion elow. Wether- (Fixed/scheduled): Asolute + scheduled (only for leving wter temperture control) 3 (WD/scheduled): Wetherdependent + scheduled (only for leving wter temperture control) [7.7..1] [0-00] [0-01] Leving wter temperture mximum modultion: Tt: Trget leving wter temperture (min) Leving wter temperture: Additionl zone [A ] Description Leving wter temperture modultion: 0 (No): Disled [1-0] [1-03] Required temperture difference etween entering nd leving wter. This pplies to oth temperture zones. In cse minimum temperture difference is required for the good opertion of the het emitters in heting mode. 0 (Fixed): Asolute 1 (Wether dependent Description Wether-dependent curve: Tt +[8-06] Tt [8-06] [0-0] [0-03] [0-01] [0-00] T [0-03] [0-0] T Tt: Trget leving wter temperture (dditionl) Wether-dependent curve Minimum leving wter temperture setpoint required to rech stle condition on the comfort setpoint for the room. T: Outdoor temperture 16

17 5 Configurtion Leving wter temperture: Emitter type # Code Description [A ] [9-0B] Rection time of the system: Set for the min temperture zone 5..6 Domestic hot wter control 0: Quick. Exmple: Smll wter volume nd fn coils. 1: Slow. Exmple: Lrge wter volume, floor heting loops. Depending on the system wter volume nd the het emitters type, the het up of spce cn tke longer. This setting cn compenste for slow or quick heting system y djusting the unit cpcity during the het up cycle. # Code Description [A.4.1] [6-0D] Domestic hot wter Type: 0 (Rehet only): Only rehet opertion is llowed. 1 (Rehet + sched.): Sme s, ut etween the scheduled hetup cycles, rehet opertion is llowed. (Scheduled only): The domestic hot wter tnk cn ONLY e heted ccording to schedule. [A.4.5] [6-0E] The mximum temperture tht users cn select for the domestic hot wter. You cn use this setting to limit the temperture t the hot wter tps. There is risk of spce heting cpcity shortge/comfort prolem (in cse of frequent domestic hot wter opertion, frequent nd long spce heting interruption will hppen) when selecting [6 0D]=0 ([A.4.1] Domestic hot wter Type=Rehet only) Contct/helpdesk numer # Code Description [6.3.] N/A Numer tht users cn cll in cse of prolems. 17

18 5 Configurtion 5.3 Menu structure: Overview instller settings [A] Instller settings Lnguge System lyout Spce opertion Domestic hot wter (DHW) Het sources System opertion Commissioning Overview settings [A.] System lyout Stndrd Options Cpcities Confirm lyout [A..1] Stndrd Unit type Compressor type Indoor softwre type Bckup heter steps BUH type Forced off contct Unit control method Numer of LWT zones Pump opertion mode Power sving possile User interfce loction [A.3] Spce opertion LWT settings Room thermostt Opertion rnge [A.4] Domestic hot wter Type Disinfection Mximum setpoint SP mode Wether-dependent curve [A.5] Het sources Bckup heter [A.6] System opertion Auto restrt Preferentil kwh rte Pwr consumpt. control Averging time Ext m. sensor offset Forced defrost Emergency [A.7] Commissioning Test run UFH screed dryout Air purge Actutor test run [A..] Options DHW opertion DHW tnk type Contct type min Contct type dd. Digitl I/O PCB Demnd PCB Externl kwh meter Externl kwh meter DHW pump Externl sensor LAN dpter [A.3.1] Leving wter Min Additionl Delt T source [A.3.] Room thermostt Room temp. rnge Room temp. offset Ext. room sensor offset Room temp. step [A.3.3] Opertion rnge Spce heting OFF temp [A.4.4] Disinfection Disinfection Opertion dy Strt time Temperture trget Durtion [A.5.1] Bckup heter Opertion mode Enle BUH step Equilirium temp. [A.6.] Prefer. kwh rte PS Allowed heters Forced pump OFF [A.6.3] Pwr consmp ctrl Mode Type Amp. vlue kw vlue Amp. limits for DI kw limits for DI Priority [A...6] Digitl I/O PCB Ext. ckup het src Solr kit Alrm output Bottom plte heter [A.3.1.1] Min LWT setpoint mode Temperture rnge Modulted LWT Shut-off vlve Emitter type [A.3.1.] Additionl LWT setpoint mode Temperture rnge [A.3.1.3] Delt T source Heting Depending on the selected instller settings nd unit type, settings will e visile/invisile. 18

19 6 Commissioning 6 Commissioning NEVER operte the unit without thermistors nd/or pressure sensors/switches. Burning of the compressor might result. 6.1 Checklist efore commissioning Do NOT operte the system efore the following checks re OK: You red the complete instlltion instructions, s descried in the instller reference guide. The indoor unit is properly mounted. The outdoor unit is properly mounted. The following field wiring hs een crried out ccording to this document nd the pplicle legisltion: Between the locl supply pnel nd the outdoor unit Between indoor unit nd outdoor unit Between the locl supply pnel nd the indoor unit Between the indoor unit nd the vlves (if pplicle) Between the indoor unit nd the room thermostt (if pplicle) The system is properly erthed nd the erth terminls re tightened. The fuses or loclly instlled protection devices re instlled ccording to this document, nd hve NOT een ypssed. The power supply voltge mtches the voltge on the identifiction lel of the unit. There re NO loose connections or dmged electricl components in the switch ox. There re NO dmged components or squeezed pipes on the inside of the indoor nd outdoor units. Bckup heter circuit reker F1B on the switch ox is turned ON. There re NO refrigernt leks. The refrigernt pipes (gs nd liquid) re thermlly insulted. The correct pipe size is instlled nd the pipes re properly insulted. There is NO wter lek inside the indoor unit. The shut-off vlves re properly instlled nd fully open. The stop vlves (gs nd liquid) on the outdoor unit re fully open. The ir purge vlve is open (t lest turns). The pressure relief vlve purges wter when opened. The minimum wter volume is gurnteed in ll conditions. See "To check the wter volume" in "3. Prepring wter piping" on pge 4. The sfety thermostt is connected. The softwre is equipped with n "instller-on-site" mode ([4 0E]), tht disles utomtic opertion y the unit. At first instlltion, setting [4 0E] is y defult set to "1", mening utomtic opertion is disled. All protective functions re then disled. If the user interfce home pges re off, the unit will NOT operte utomticlly. To enle utomtic opertion nd the protective functions, set [4 0E] to "0". 36 hours fter the first power-on, the unit will utomticlly set [4 0E] to "0", ending "instller-on-site" mode nd enling the protective functions. If fter first instlltion the instller returns to the site, the instller hs to set [4 0E] to "1" mnully. 6. Checklist during commissioning The minimum flow rte during ckup heter/defrost opertion is gurnteed in ll conditions. See "To check the wter volume nd flow rte" in "3. Prepring wter piping" on pge 4. To perform n ir purge. To perform test run. To perform n ctutor test run. Underfloor screed dryout function The underfloor screed dryout function is strted (if necessry) To check the minimum flow rte Mndtory procedure for the dditionl zone 1 Confirm ccording to the hydrulic configurtion which spce heting loops cn e closed due to mechnicl, electronic, or other vlves. Close ll spce heting loops tht cn e closed (see previous step). 3 Strt the pump test run opertion (see "6..4 To perform n ctutor test run" on pge 0). 4 Go to [6.1.8]: > Informtion > Sensor informtion > Flow rte to check the flow rte. During pump test run opertion, the unit cn operte elow this minimum required flow rte tht is needed during defrost/ckup heter opertion. Yes Modify the ypss vlve setting to rech the minimum required flow rte + l/min Bypss vlve foreseen? No Recommended procedure for the min zone In cse the ctul flow rte is elow the minimum flow rte (required during defrost/ckup heter opertion), modifictions t hydrulic configurtion re required. Increse the spce heting loops tht cn NOT e closed or instll pressure controlled ypss vlve. 5 Confirm ccording to the hydrulic configurtion which spce heting loops cn e closed due to mechnicl, electronic, or other vlves. 6 Close ll spce heting loops tht cn e closed (see previous step). 7 Crete thermo request on the min zone only. 8 Wit 1 minute until the unit is stilized. 19