Installation manual. ROTEX HPSU low temperature Bi bloc RHBH04CB RHBH08CB RHBH11CB RHBH16CB RHBX04CB RHBX08CB RHBX11CB RHBX16CB

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1 RHBH0CB RHBH08CB RHBHCB RHBHCB RHBX0CB RHBX08CB RHBXCB RHBXCB 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 ROTEX declres under its sole responsiility tht the equipment to which this declrtion reltes: erklärt uf seine lleinige Verntwortung dß die Ausrüstung für die diese Erklärung estimmt ist: déclre sous s seule responsilité que l'équipement visé pr l présente déclrtion: verklrt hierij op eigen exclusieve verntwoordelijkheid dt de pprtuur wrop deze verklring etrekking heeft: declr jo su únic responsilidd que el equipo l que hce referenci l declrción: dichir sotto l propri responsilità che gli pprecchi cui è riferit quest dichirzione: δηλώνει με αποκλειστική της ευθύνη ότι ο εξοπλισμός στον οποίο αναφέρεται η παρούσα δήλωση: declr so su exclusiv responsilidde que os equipmentos que est declrção se refere: RHBH0CBV, RHBH08CB9W, RHBHCB9W, RHBHCB9W, RHBX0CBV, RHBX08CB9W, RHBXCB9W, RHBXCB9W, 09 0 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: 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: 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: EN0 0, 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: 0 Note* 0 Hinweis* 0 Remrque* 0 Bemerk* 0 Not* 0 s set out in <A> nd judged positively y ccording to the Certificte <C>. wie in <A> ufgeführt und von positiv eurteilt gemäß Zertifikt <C>. tel que défini dns <A> et évlué positivement pr conformément u Certifict <C>. zols vermeld in <A> en positief eoordeeld door overeenkomstig Certifict <C>. como se estlece en <A> y es vlordo positivmente por de cuerdo con el Certificdo <C>. 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: 0 Not* 0 Σημείωση* 08 Not* 09 Примечание* 0 Bemærk* în urm prevederilor: o upoštevnju določ: vstvlt nõuetele: следвайки клаузите на: likntis nuosttų, pteikimų: ievērojot prsīs, ks noteikts: održivjúc ustnoveni: unun koşullrın uygun olrk: delineto nel <A> e giudicto positivmente d secondo il Certificto <C>. όπως καθορίζεται στο <A> και κρίνεται θετικά από το σύμφωνα με το Πιστοποιητικό <C>. tl como estelecido em <A> e com o precer positivo de de cordo com o Certificdo <C>. как указано в <A> и в соответствии с положительным решением согласно Свидетельству <C>. som nført i <A> og positivt vurderet f i henhold til Certifikt <C> 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: Low Voltge 00/9/EC Electromgnetic Comptiility 00/08/EC * Informtion* Merk* Huom* Poznámk* enligt <A> och godkänts v enligt Certifiktet <C>. som det fremkommer i <A> og gjennom positiv edømmelse v ifølge Sertifikt <C>. jotk on esitetty sikirjss <A> j jotk on hyväksynyt Sertifiktin <C> mukisesti. jk ylo uvedeno v <A> pozitivně zjištěno v souldu s osvědčením <C>. Megjegyzés* Uwg* 8 Notă* 9 Opom* Npomen* kko je izloženo u <A> i pozitivno ocijenjeno od strne 0 Märkus* prem Certifiktu <C>. (z) <A> lpján, (z) igzolt megfelelést, (z) <C> tnúsítvány szerint. zgodnie z dokumentcją <A>, pozytywną opinią i Świdectwem <C>. ş cum este stilit în <A> şi precit pozitiv de în conformitte cu Certifictul <C>. kot je določeno v <A> in odoreno s strni v skldu s certifiktom <C>. ngu on näidtud dokumendis <A> j heks kiidetud järgi vstvlt sertifikdile <C> 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: 0 Directives, s mended. 0 Direktiven, gemäß Änderung. 0 Directives, telles que modifiées. 0 Richtlijnen, zols gemendeerd. 0 Directivs, según lo enmenddo. 0 Direttive, come d modific. 0 Οδηγιών, όπως έχουν τροποποιηθεί. 08 Directivs, conforme lterção em. 09 Директив со всеми поправками. Забележка* Pst* Piezīmes* Poznámk* Not* 0 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. както е изложено в <A> и оценено положително от съгласно Сертификата <C>. kip nusttyt <A> ir kip teigimi nuspręst pgl Sertifiktą <C>. kā norādīts <A> un tilstoši pozitīvjm vērtējumm sskņā r sertifikātu <C>. ko olo uvedené v <A> pozitívne zistené v súlde s osvedčením <C>. <A> d elirtildiği gii ve <C> Sertifiksın göre trfındn olumlu olrk değerlendirildiği gii. <A> <C> 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. TCF.0H/08 0 DEKRA (NB0) 08.0 QUA/EMC P898 B Dr. Ing. Georg Blümel Mnging Director nd of Mrch 0

3 Tle of Contents Tle of Contents Aout the documenttion. Aout this document... Aout the ox. Indoor unit..... To remove the ccessories from the indoor unit... Preprtion. 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..... To instll the drin pn kit.... Connecting the refrigernt piping..... To connect the refrigernt piping to the indoor unit.... Connecting the wter piping..... To connect the wter 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 spce cooling/heting ON/OFF output..... To connect the chngeover to externl het source..... To connect the power consumption digitl inputs.... 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/cooling control..... Domestic hot wter control..... Contct/helpdesk numer.... Menu structure: Overview instller settings... Commissioning 8. Checklist efore test run To perform n ir purge To perform test run To perform n ctutor test run Possile ctutor test runs Checklist efore leving the instlltion site To perform n underfloor heting screed dryout... 9 Hnd over to the user 9 8 Technicl dt 0 8. Wiring digrm Wiring digrm: Indoor unit... 0 Aout the documenttion. Aout this document Trget udience Authorised instllers Documenttion set This document is prt of documenttion set. The complete set consists of: Document Contins Formt Generl sfety precutions Indoor unit instlltion mnul Outdoor unit instlltion mnul Instller reference guide Addendum ook for optionl equipment Sfety instructions tht you must red efore instlling Instlltion instructions Instlltion instructions Preprtion of the instlltion, technicl specifictions, good prctices, reference dt, Additionl info out how to instll optionl equipment Pper (in the ox of the indoor unit) Pper (in the ox of the outdoor unit) Digitl files on the ROTEX homepge. Pper (in the ox of the indoor unit) Digitl files on the ROTEX homepge. Ltest revisions of the supplied documenttion my e ville on the regionl ROTEX wesite or vi your deler. The originl documenttion is written in English. All other lnguges re trnsltions. Aout the ox. Indoor unit.. To remove the ccessories from the indoor unit The generl sfety precutions, the indoor unit instlltion mnul, the opertion mnul nd the ddendum ook for optionl equipment re locted in the upper prt of the ox. Follow the procedure elow to remove the other ccessories. Remove the tpe.

4 Preprtion Preprtion. Prepring wter piping.. To check the wter volume nd flow rte Minimum wter volume Check tht the totl wter volume in the instlltion is minimum 0 litre for RHBH/X0+08 nd 0 litre for RHBH/X+, the internl wter volume of the indoor unit NOT included. NOTICE Tilt the ottom side of the front pnel upwrds nd remove it. When circultion in ech spce heting 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. Minimum flow rte Check tht the minimum flow rte (required during defrost/ckup heter opertion) in the instlltion is gurnteed in ll conditions. NOTICE When circultion in ech or certin spce heting loop 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 H will e generted (no heting/opertion). Remove the ccessories. g h See the instller reference guide for more informtion. Minimum required flow rte during defrost/ckup heter opertion e+f 0+08 models l/min + models l/min See the recommended procedure s descried in ". Checklist efore leving the instlltion site" on pge 9. c d. Prepring electricl wiring.. Overview of electricl connections for externl nd internl ctutors Item e f c d e f g h g Generl sfety precutions Addendum ook for optionl equipment Indoor unit instlltion mnul Opertion mnul Seling ring for shut off vlve Shut off vlve User interfce cover Top plte of indoor unit h Wires Mximum running current Outdoor unit nd indoor unit power supply +GND or +GND () Power supply for outdoor unit Power supply nd interconnection cle to indoor unit Power supply for ckup heter See tle elow. Preferentil kwh rte power supply (voltge free contct) Norml kwh rte power supply (c) (e). A User interfce User interfce (f) 00 ma() Optionl equipment wy vlve

5 Instlltion Item Wires Mximum running current 8 Power supply for ooster heter nd therml protection (from indoor unit) +GND (c) 9 Power supply for ooster heter (to indoor unit) +GND A 0 Domestic hot wter tnk thermistor (d) Power supply for ottom plte heter () Room thermostt or 00 ma() Outdoor mient temperture sensor () Indoor mient temperture sensor () Het pump convector 00 ma Tilt the front pnel towrds you nd remove the front pnel... () To open the switch ox cover of the indoor unit Field supplied components Shut off vlve 00 ma() Electricity meter (per meter) () 8 Domestic hot wter pump () 9 Alrm output () 0 Chngeover to externl het source control () Spce cool/het opertion control () Power consumption digitl inputs (per input signl) () () () (c) (d) (e) (f) Refer to nme plte on outdoor unit. Minimum cle section 0. mm². Cle section. mm². The thermistor nd connection wire ( m) re delivered with the domestic hot wter tnk. Cle section 0. mm² till. mm² mximum length: 0 m. Voltge free contct shll ensure the minimum pplicle lod of V DC, 0 ma. Cle section 0. mm² till. mm² mximum length: 00 m. Applicle for oth single user interfce nd dul use interfce connection. NOTICE. Mounting the indoor unit.. To instll the indoor unit CAUTION Do NOT grsp the piping to lift the indoor unit. Lift the unit from the pckge. More technicl specifictions of the different connections re indicted on the inside of the indoor unit. Bckup heter type *V *9W Power supply Required numer of conductors 0 V +GND 0 V +GND + ridges 0 V +GND + ridge 00 V +GND Instlltion. Opening the units.. To open the indoor unit 0kg Remove the screws from the ottom of the unit. Unhook nd remove the side pltes. Loosen nd remove the screws tht fix the front pnel.

6 Instlltion Put the instlltion pttern (see pcking) on the wll nd follow the steps s shown elow. Lift the unit... To instll the drin pn kit If drin pn kit (EKHBDPCA) is required, instll it efore connecting the refrigernt nd wter pipes nd the electricl wiring. To instll, see the instlltion mnul of the drin pn kit. Tilt the top of the unit ginst the wll t the position of the inserted screws. Hook the unit ginst the wll.. 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. Assemle the unit. Refrigernt liquid connection

7 Instlltion Refrigernt gs connection Connect the gs stop vlve from the outdoor unit to the refrigernt gs connection of the indoor unit.. Connecting the wter piping.. To connect the wter piping NOTICE Do NOT use excessive force when connecting the piping. Deformtion of the piping cn cuse mlfunctioning of the unit. To fcilitte service nd mintennce, shut off vlves re provided. Mount the vlves on the wter inlet nd on the wter outlet. Mind their position. Orienttion of the integrted drin vlves is importnt for servicing. Instll the shut off vlves on the wter pipes. Fill the circuit with wter until the mnometer indictes pressure of ±.0 r. Purge s much ir s possile from the wter circuit. Close the drin nd fill vlve. Disconnect the wter supply hose from the drin nd fill vlve... To fill the domestic hot wter tnk For instlltion instructions, see the instlltion mnul of the domestic hot wter tnk... To insulte the wter piping The piping in the complete wter circuit MUST e insulted to prevent condenstion during cooling opertion nd reduction of the heting nd cooling cpcity. If the temperture is higher thn 0 C nd the humidity is higher thn RH 80%, the thickness of the seling mterils should e t lest 0 mm to prevent condenstion on the surfce of the seling.. Connecting the electricl wiring DANGER: RISK OF ELECTROCUTION WARNING ALWAYS use multicore cle for power supply cles. Wter inlet Wter outlet Screw the indoor unit nuts on the shut off vlves. Connect the field piping on the shut off vlves. In cse of connection with the optionl domestic hot wter tnk, see the instlltion mnul of the domestic hot wter tnk... To fill the wter circuit Connect the wter supply hose to the drin nd fill vlve... Aout electricl complince See ".. To connect the ckup heter power supply" on pge 9... To connect the electricl wiring on the indoor unit To open the indoor unit, see ".. To open the indoor unit" on pge. Wiring should enter the unit from the ottom. Routing of the wiring inside the unit should e s follows: Open the drin nd fill vlve. Mke sure tht the utomtic ir purge vlve is open (t lest turns). INFORMATION For loction of the ir purge vlve, see "Components: Indoor unit" in the instller reference guide. c INFORMATION When instlling field supply or option cles, foresee sufficient cle length. This will mke it possile to remove/ reposition the switch ox nd gin cces to other components during service.

8 Instlltion Routing Possile cles (depending on unit type nd instlled options) User interfce Low voltge Domestic hot wter tnk thermistor (option) Power consumption digitl inputs (field supply) Outdoor mient temperture sensor (option) Indoor mient temperture sensor (option) Electricl meters (field supply) 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) Power supply for ooster heter (to indoor unit) Power supply for ooster heter nd therml protection (from indoor unit) c Preferentil power supply contct High voltge control signl Het pump convector (option) Room thermostt (option) wy vlve Shut off vlve (field supply) Domestic hot wter pump (field supply) Alrm output Chngeover to externl het source control Spce het/cool opertion control XA 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. XM XY XYB XM CAUTION 0 Do NOT push or plce redundnt cle length in the unit... X9A XYA To connect the min power supply XM Connect the min power supply. In cse of norml kwh rte power supply XA X9A XM c XYB XM 0 SS XY XYA c XM LN LN Interconnection cle (=min power supply) Norml kwh rte power supply Preferentil power supply contct Fix the cle with cle ties to the cle tie mountings. INFORMATION In cse of preferentil kwh rte power supply, the necessity of seprte norml kwh rte power supply to indoor unit () XM0/ depends on the type of preferentil kwh rte power supply. Seprte connection to the indoor unit is required: Legend: see illustrtion elow. if preferentil kwh rte power supply is interrupted when ctive, OR In cse of preferentil kwh rte power supply if no power consumption of the indoor unit is llowed t the preferentil kwh rte power supply when ctive. 8

9 Instlltion.. To connect the ckup heter power supply Bckup heter type CAUTION To gurntee the unit is completely erthed, lwys connect the ckup heter power supply nd the erth cle. Connections to ckup heter power supply FB kw ~ 0 V (*9W) L If the indoor unit hs tnk with uilt in electricl ooster heter, use dedicted power circuit for the ckup heter nd ooster heter. NEVER use power circuit shred y nother pplince. This power circuit MUST e protected with the required sfety devices ccording to the pplicle legisltion. FB kw ~ 0 V (*9W) XM XM 8 XM XM 8 XM XM 8 N kw ~ 0 V (*9W) CAUTION Connections to terminls L L L CAUTION To gurntee the unit is completely erthed, lwys connect the ckup heter power supply nd the erth cle. The ckup heter cpcity cn vry, depending on the indoor unit model. 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 Zmx(Ω) *V kw ~ 0 V A *9W kw ~ 0 V A kw ~ 0 V A()() kw ~ 0 V A kw N~ 00 V 8. A 9 kw N~ 00 V A () () Equipment complying with EN/IEC 000 (Europen/ Interntionl Technicl Stndrd setting the limits for hrmonic currents produced y equipment connected to pulic low voltge systems with input current > A nd A per phse.). This equipment complies with EN/IEC 000 (Europen/Interntionl Technicl Stndrd setting the limits for voltge chnges, voltge fluctutions nd flicker in pulic low voltge supply systems for equipment with rted current A) provided tht the system impednce Zsys is less thn or equl to Zmx t the interfce point etween the user's supply nd the pulic system. It is the responsiility of the instller or user of the equipment to ensure, y consulttion with the distriution network opertor if necessry, tht the equipment is connected only to supply with system impednce Zsys less thn or equl to Zmx. Fix the cle with cle ties to the cle tie mountings. Configure the user interfce for the respective power supply. See ".. Quick wizrd: Stndrd" on pge. During connection of the ckup heter, miswiring is possile. To detect possile miswiring, it is highly recommended to mesure the resistnce vlue of the heter elements. Depending on the different ckup heter types, following resistnce vlues (see tle elow) should e mesured. ALWAYS mesure the resistnce on the contctor clmps KM, KM, nd KM. KM/ KM/ If required, modify the connections on terminls XM nd XM. KM/ kw ~ 0 V (*V) Connections to ckup heter power supply FB Connections to terminls XM 8 L L L 9 kw N~ 00 V (*9W) Connect the ckup heter power supply. For *V models, doule pole fuse is used for FB. For *9W models, pole fuse is used for FB. Bckup heter type XM FB kw N~ 00 V (*9W) kw kw kw kw 9 kw ~ 0 V ~ 0 V ~ 0 V N~ 00 V N~ 00 V KM/.9Ω.9Ω.9Ω KM/ 0.8Ω 0.8Ω KM/ 0.8Ω 0.8Ω KM/.Ω.Ω.Ω 0.8Ω 0.8Ω KM/.Ω.Ω KM/.9Ω.9Ω KM/.9Ω.9Ω KM/ KM/.9Ω.9Ω.9Ω.9Ω.9Ω KM/ KM/ L N Exmple mesure resistnce etween KM/ nd KM/: 9

10 Instlltion Ω Ω KM KM At the indoor unit In the room Fix the wllplte of the user interfce Fix the wllplte of the user interfce to to the frontplte of the unit. the wll. Be creful NOT to distort the shpe of the ckside of the user interfce y overtightening the mounting screws. Connect s shown in A. Reinstll the fceplte onto the wllplte. KM.. To connect the user interfce If you use 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 user interfce t the indoor unit (for control close to the indoor unit) + user interfce in the room (used s room thermostt). Be creful NOT to pinch the wiring when ttching the frontplte to the unit. The procedure differs slightly depending on where you instll the user interfce. At the indoor unit () In the room Connect the user interfce cle to the indoor unit. Connect s shown in A, B, C or D. The min user interfce is required for opertion, ut hs to e ordered seprtely (mndtory option). B From the left A From the rer Fix the cle with cle ties to the cle tie mountings. XM PCB PCB XM C From the top AP D From the top centre AP PCB PCB 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. NOTICE Wiring is different for NC (norml closed) vlve nd NO (norml open) vlve. 0

11 Instlltion XM XM 9 XM XM XM XM NC YC Y Y Y Y NO XM AP XM MS Fix the cle with cle ties to the cle tie mountings In cse of n electricl meter with trnsistor output, check the polrity. The positive polrity MUST e connected to XM/ nd XM/9 the negtive polrity to XM/8 nd XM/0. To connect the spce cooling/heting ON/ OFF output Connect the spce cooling/heting ON/OFF output cle to the pproprite terminls s shown in the illustrtion elow. 9 XM Connect the electricl meters cle to the pproprite terminls s shown in the illustrtion elow. XM XM 8 90 XM AP XM XM SS SS.. To connect the domestic hot wter pump Connect the domestic hot wter pump cle to the pproprite terminls s shown in the illustrtion elow. To connect the chngeover to externl het source Connect the chngeover to externl het source cle to the pproprite terminls s shown in the illustrtion elow. XM XM XM Instlltion of EKRPHB is required. Fix the cle with cle ties to the cle tie mountings. Fix the cle with cle ties to the cle tie mountings...8 Instlltion of EKRPHB is required. Fix the cle with cle ties to the cle tie mountings. To connect the electricl meters INFORMATION YC Y Y Y Y MS AP XM X X X X MP Fix the cle with cle ties to the cle tie mountings...9 M ~ To connect the lrm output Connect the lrm output cle to the pproprite terminls s shown in the illustrtion elow. LN.. Instlltion of EKRPHB is required. Fix the cle with cle ties to the cle tie mountings. To connect the power consumption digitl inputs Connect the power consumption digitl inputs cle to the pproprite terminls s shown in the illustrtion elow.

12 Configurtion 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. XM X80M NOTICE A8P Why XM 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 SS SS S8S S9S You cn configure the system vi the user interfce. Fix the cle with cle ties to the cle tie mountings.. 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. Finishing the indoor unit instlltion.. Instlltion of EKRPAHTA is required. INFORMATION 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. To fix the user interfce cover to the indoor unit Mke sure tht the front pnel is removed from the indoor unit. See ".. To open the indoor unit" on pge. 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). Plug the user interfce cover into the hinges. Method Column in tles Accessing settings vi the redcrum in the menu structure. Accessing settings vi the code in the overview settings. Code See lso: "To ccess the instller settings" on pge ". Menu structure: Overview instller settings" on pge.. Mount the front pnel to the indoor unit... To close the indoor unit Close the switch ox cover. Reinstll the front pnel. NOTICE When closing the indoor unit cover, mke sure tht the tightening torque does NOT exceed. N m. To ccess the instller settings Set the user permission level to Instller. Go to [A]: Set the user permission level to Instller. Go to [A.8]: Set the user permission level to Adv. end user. Go to [.]: Press Result: Overview: Configurtion > Instller settings > Overview settings. To set the user permission level to Instller Configurtion This chpter descries wht you hve to do nd know to configure the system fter it is instlled. > Instller settings. To ccess the overview settings. To ccess the most used commnds > Informtion > User permission level. for more thn seconds. is displyed on the home pges. If you do NOT press ny utton for more thn hour or press gin for more thn seconds, the instller permission level switches ck to End user. To set the user permission level to Advnced end user Go to the min menu or ny of its sumenus: Press. for more thn seconds.

13 Configurtion 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 Press for more thn 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 [ 0] from to 0. 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 INFORMATION An dditionl 0 digit is dded to the first prt of the setting when you ccess the codes in the overview settings. Exmple: [ 0]: "" will result in "0" Overview settings d 0e f Confirm Adjust Scroll 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. Modify the vlue y using the nd utton c d Overview settings e f Confirm Adjust Scroll Repet previous steps if you hve to modify other settings. Push to confirm the modifiction of the prmeter. At instller settings menu, press to confirm the settings. Instller settings The system will restrt. OK Confirm Adjust Result: The system will restrt. Cncel 00. Bsic configurtion.. Quick wizrd: Lnguge / time nd dte Code [A.] N/A Lnguge [] N/A Time nd dte.. Quick wizrd: Stndrd Bckup heter configurtion (only for *9W model) Code [A...] [ 0D] BUH type: Bckup heter rely setting Rely setting (P,(/+)): kw ~ 0 V (*9W) (P,(/+)): kw ~ 0 V (*9W) (PN,(/)): kw N~ 00 V (*9W) (PN,(/+)): 9 kw N~ 00 V (*9W) If ckup heter step is ctive: Bckup heter opertion If ckup heter step is ctive: /+ Rely ON Relys + ON / Rely ON Rely ON Spce heting/cooling settings Code [A...] [C 0] Unit temperture control: 0 (LWT control): Unit opertion is decided sed on the leving wter temperture. (Ext RT control): Unit opertion is decided y the externl thermostt. (RT control): Unit opertion is decided sed on the mient temperture of the user interfce. [A...B] N/A Only if there re user interfces: User interfce loction: At unit In room [A...8] [ 0] Numer of wter temperture zones: 0 ( LWT zone): Min [A...9] [F 0D] Pump opertion: ( LWT zones): Min + dditionl 0 (Continuous): Continuous pump opertion, regrdless of thermo ON or OFF condition. (Smple): When thermo OFF condition occurs, the pump runs every 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.

14 Configurtion.. Quick wizrd: Options Domestic hot wter settings Code [A...] [E 0] DHW opertion: Cn the system prepre domestic hot wter? 0 (No): NOT instlled (Yes): Instlled [A...] [E 0] DHW tnk type: 0 (Type ): Tnk with ooster heter instlled t the side of the tnk. Defult for RHBH/X. (Type ): N/A. Rnge: 0~. However, vlues ~ re not pplicle for this setting. If the setting is set to, n error code will pper nd the system will NOT operte. [A...A] [D 0] Domestic hot wter pump: 0 (No): NOT instlled (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 INFORMATION Disinfection The correct domestic hot wter defult settings ecomes only pplicle when domestic hot wter opertion is ctivted ([E 0]=). Thermostts nd externl sensors NOTICE 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. c d e f g Code [A...] [C 0] Externl room thermostt for the min zone: (Thermo ON/OFF): When the used externl room thermostt or het pump convector cn only send thermo ON/OFF condition. No seprtion etween heting or cooling demnd. (H/C request): When the used externl room thermostt cn send seprte heting/cooling thermo ON/ OFF condition. [A...] [C 0] Externl room thermostt for the dditionl zone: 0: N/A [A...B] [C 08] Externl sensor: Digitl I/O PCB (Thermo ON/OFF): When the used externl room thermostt or het pump convector cn only send thermo ON/OFF condition. No seprtion etween heting or cooling demnd. (H/C request): When the used externl room thermostt cn send seprte heting/cooling thermo ON/ OFF condition. 0 (No): NOT instlled. (Outdoor sensor): Connected to PCB mesuring the outdoor temperture. (Room sensor): NOT pplicle. Code [A...] [C 0] Externl ckup heter source: 0 (No): None (Bivlent): Gs, oil oiler : N/A : N/A [A...] [D 0] Solr pump sttion kit: 0 (No): NOT instlled (Yes): Instlled [A...] [C 09] Alrm output on optionl EKRPHB PCB: 0 (Normlly open): The lrm output will e powered when n lrm occurs. (Normlly closed): The lrm output will NOT e powered when n lrm occurs. This instller setting llows distinction etween detection of n lrm nd detection of power filure to the unit. See lso tle elow (Alrm output logic). [A...] [F 0] Bottom plte heter 0 (No): NOT instlled (Yes): Instlled

15 Configurtion Alrm output logic [C 09] Alrm No lrm 0 (defult) Closed output Open output Open output Closed output No power supply to unit [...] Code [ 00] [ 0] Open output [ 0] Code [D 0] Demnd PCB [-00] T Tt: Trget leving wter temperture (min) 0 (No) T: Outdoor temperture [...] [ 0] [ 0] Code [D 08] [-0] Only pplicle for RHBH/X0+08. Indictes if the optionl demnd PCB is instlled. Energy metering [A...8] [-0] [-0] (Pwr consmp ctrl) Tt [ 0] Demnd PCB [A...] Wether dependent curve (heting): Wether dependent curve (cooling): Tt [ 08] [ 09] Optionl externl kwh meter : [-08] [-09] 0 (No): NOT instlled : Instlled (0. pulse/kwh) : Instlled ( pulse/kwh) [-0] : Instlled (0 pulse/kwh) [A...9] [D 09] [-0] T : Instlled (00 pulse/kwh) Tt: Trget leving wter temperture (min) : Instlled (000 pulse/kwh) T: Outdoor temperture Optionl externl kwh meter : Leving wter temperture: Additionl zone 0 (No): NOT instlled : Instlled (0. pulse/kwh) [A...] Code N/A : Instlled ( pulse/kwh) 0 (Fixed): Asolute : Instlled (0 pulse/kwh) (Wether dependent : Instlled (00 pulse/kwh) : Instlled (000 pulse/kwh).. Code [ 0] Booster heter cpcity [kw] [A...] [ 0] Bottom plte heter cpcity [W] [...] [A...] N/A [0 0] [0 0] Leving wter temperture: Min zone Code [0 00] Wether dependent curve (heting): Tt [0 0] Spce heting/cooling control Wether (WD/scheduled): Wether dependent + scheduled (only for leving wter temperture control) [A...].. dep.): (Fixed/scheduled): Asolute + scheduled (only for leving wter temperture control) Quick wizrd: Cpcities (energy metering) Set point mode: [0-0] [0-00] Set point mode: [0-0] 0 (Fixed): Asolute (Wether dependent dep.): Wether (Fixed/scheduled): Asolute + scheduled (only for leving wter temperture control) [0-0] T Tt: Trget leving wter temperture (dditionl) T: Outdoor temperture (WD/scheduled): Wether dependent + scheduled (only for leving wter temperture control)

16 Configurtion [...] Code [0 0] [0 0] Leving wter temperture: Emitter type Wether dependent curve (cooling): Tt [A...] Code [9 0B] [0 0] [0 0] Rection time of the system: [0-0] 0: Quick. Exmple: Smll wter volume nd fn coils. [0-0] : Slow. Exmple: Lrge wter volume, floor heting loops. [0-0] [0-0] Depending on the system wter volume nd the het emitters type, the het up or cool down of spce cn tke longer. This setting cn compenste for slow or quick heting/cooling system y djusting the unit cpcity during the het up/cool down cycle. T Tt: Trget leving wter temperture (dditionl) T: Outdoor temperture Leving wter temperture: Delt T source [A...] Code [9 09] Heting: required temperture difference etween entering nd leving wter... Domestic hot wter control [A..] Code [ 0D] 0 (Rehet only): Only rehet opertion is llowed. In cse minimum temperture difference is required for the good opertion of the het emitters in heting mode. [A...] [9 0A] (Rehet + sched.): Sme s, ut etween the scheduled hetup cycles, rehet opertion is llowed. Cooling: required temperture difference etween entering nd leving wter. In cse minimum temperture difference is required for the good opertion of the het emitters in cooling mode. Domestic hot wter Type: (Scheduled only): The domestic hot wter tnk cn ONLY e heted ccording to schedule. [A..] [ 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. Leving wter temperture: Modultion INFORMATION [A...] Code [8 0] There is risk of spce heting (cooling) cpcity shortge/comfort prolem (in cse of frequent domestic hot wter opertion, frequent nd long spce heting/cooling interruption will hppen) when selecting [ 0D]=0 ([A..] Domestic hot wter Type=Rehet only) in cse of domestic hot wter tnk without n internl ooster heter. Leving wter temperture modultion: 0 (No): Disled (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... [..] Contct/helpdesk numer Code N/A Numer tht users cn cll in cse of prolems.

17 Configurtion. 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..] Stndrd Unit type Compressor type Indoor softwre type Bckup heter steps BUH type Preferentil kwh rte Unit control method Numer of LWT zones Pump opertion mode Power sving possile User interfce loction [A.] Spce opertion LWT settings Room thermostt Opertion rnge [A.] Domestic hot wter Type Disinfection Mximum setpoint SP mode Wether-dependent curve [A.] Het sources Bckup heter [A.] System opertion Auto restrt Preferentil kwh rte Pwr consumpt. control Averging time Ext m. sensor offset Forced defrost [A.] Commissioning Test run UFH screed dryout Air purge Actutor test run [A..] Options DHW opertion DHW tnk Contct type min Contct type dd. Digitl I/O PCB Demnd PCB Externl kwh meter Externl kwh meter DHW pump Externl sensor [A..] Leving wter Min Additionl Delt T source [A..] Room thermostt Room temp. rnge Room temp. offset Ext. room sensor offset Room temp. step [A..] Opertion rnge Spce heting OFF temp Spce cooling On temp [A..] Disinfection Disinfection Opertion dy Strt time Temperture trget Durtion [A..] Bckup heter Opertion mode Emergency Enle BUH step Equilirium temp. [A..] Prefer. kwh rte PS Allowed heters Forced pump OFF [A..] Pwr consmp ctrl Mode Type Amp. vlue kw vlue Amp. limits for DI kw limits for DI Priority [A...] Digitl I/O PCB Ext. ckup het src Solr kit Alrm output Allowed heters [A...] Min LWT setpoint mode Temperture rnge Modulted LWT Shut-off vlve Emitter type [A...] Additionl LWT setpoint mode Temperture rnge [A...] Delt T source Heting Cooling INFORMATION Depending on the selected instller settings, settings will e visile/invisile.

18 Commissioning Commissioning NOTICE NEVER operte the unit without thermistors nd/or pressure sensors/switches. Burning of the compressor might result.. Checklist efore test run Do NOT operte the system efore the following checks re OK: You red the complete instlltion instructions, s descried in the instller reference guide. 8 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) Between the indoor unit nd the domestic hot wter tnk (if pplicle) Between the gs oiler nd the locl supply pnel (only pplicle in cse of hyrid system) 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. Depending on the ckup heter type, ckup heter circuit reker FB on the switch ox is turned ON. Only for tnks with uilt in ooster heter: The ooster heter circuit reker FB 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 ". Prepring wter piping" on pge.. To perform n ir purge Prerequisite: Mke sure the user interfce shows the home screens nd tht the spce heting nd domestic hot wter demnds re turned off. Go to [A..]: > Instller settings > Commissioning > Air purge. Set the type. Select Strt ir purge nd press. Select OK nd press. Result: The ir purge strts. It stops utomticlly when done. To stop it mnully, press, select OK nd press.. To perform test run Prerequisite: Mke sure the user interfce shows the home screens nd tht the spce heting nd domestic hot wter demnds re turned off. Set the user permission level to Instller. See "To set the user permission level to Instller" on pge. Go to [A..]: > Instller settings > Commissioning > Test run. Select test nd press. Exmple: Heting. Select OK nd press. Result: The test run strts. It stops utomticlly when done (±0 min). To stop it mnully, press, select OK nd press. INFORMATION If user interfces re present, you cn strt test run from oth user interfces. The user interfce used to strt the test run displys sttus screen. The other user interfce displys "usy" screen. You cnnot use the user interfce s long s the "usy" screen is shown.. To perform n ctutor test run Prerequisite: Mke sure the user interfce shows the home screens nd tht the spce heting nd domestic hot wter demnds re turned off. Set the user permission level to Instller. See "To set the user permission level to Instller" on pge. Mke sure the room temperture control, the leving wter temperture control nd the domestic hot wter control re turned OFF vi the user interfce. Go to [A..]: > Instller settings > Commissioning > Actutor test run. Select n ctutor nd press. Exmple: Pump. Select OK nd press. Result: The ctutor test run strts. It utomticlly stops when finished. To stop it mnully, press, select OK nd press... Possile ctutor test runs Booster heter test Bckup heter (step ) test Bckup heter (step ) test Pump test

19 Hnd over to the user INFORMATION Mke sure tht ll ir is purged efore executing the test run. Also void disturnces in the wter circuit during the test run. Solr pump test wy vlve test wy vlve test Bottom plte heter test Bivlent signl test Alrm output test Cooling/heting signl test Quick het up test Circultion pump test. Checklist efore leving the instlltion site The minimum flow rte during ckup heter/defrost opertion is gurnteed in ll conditions. See "To check the wter volume nd flow rte" in ". Prepring wter piping" on pge. Result: The underfloor heting screed dryout strts. It stops utomticlly when done. To stop it mnully, press, select OK nd press. Hnd over to the user Once the test run is finished nd the unit opertes properly, plese mke sure the following is cler for the user: Fill in the instller setting tle (in the opertion mnul) with the ctul settings. Mke sure tht the user hs the printed documenttion nd sk him/her to keep it for future reference. Inform the user tht he cn find the complete documenttion on the url s erlier descried in this mnul. Explin the user how to properly operte the system nd wht he/ she hs to do in cse of prolems. Show the user wht he/she hs to do in reltion to mintining the unit. Explin the user out energy sving tips s descried in the opertion mnul. Recommended procedure 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). Strt the pump test run opertion (see ". To perform n ctutor test run" on pge 8). Go to [..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 during defrost/ckup heter opertion. Yes Modify the ypss vlve setting to rech the minimum required flow rte + l/min Bypss vlve foreseen? No 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.. To perform n underfloor heting screed dryout Prerequisite: Mke sure there is ONLY user interfce connected to your system to perform n underfloor heting screed dryout. Prerequisite: Mke sure the user interfce shows the home screens nd tht the spce heting nd domestic hot wter demnds re turned off. Go to [A..]: > Instller settings > Commissioning > UFH screed dryout. Set dryout progrm. Select Strt dryout nd press. Select OK nd press. 9

20 8 Technicl dt 8 Technicl dt 8. Wiring digrm 8.. Wiring digrm: Indoor unit See the internl wiring digrm supplied with the unit (on the inside of the indoor unit switch ox cover). The revitions used re listed elow. Position in switch ox QL TR XM XM KM KM AP KM KM XY XM FB FB XM A8P AP XM XM Bckup heter configurtion (only for *9W): V (N~, 0 V, kw) V (N~, 0 V, kw) WN (N~, 00 V, kw) 9WN (N~, 00 V, 9 kw) T (~, 0 V, kw) User instlled options: Bottom plte heter Domestic hot wter tnk Domestic hot wter tnk with solr connection Remote user interfce Externl indoor thermistor Externl outdoor thermistor Digitl I/O PCB Demnd PCB Solr pump nd control sttion Min leving wter temperture: On/OFF thermostt (wired) On/OFF thermostt (wireless) Externl thermistor on On/OFF thermostt (wireless) Het pump convector Additionl leving wter temperture: On/OFF thermostt (wired) On/OFF thermostt (wireless) Externl thermistor on On/OFF thermostt (wireless) Het pump convector 0

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