![Daikin EKHBRD011ADY17 [11/48] Functional diagram](/img/pdf.png)
Daikin EKHBRD011ADY17 [11/48] Functional diagram
![Daikin EKHBRD011ADY17 [11/48] Functional diagram](/views2/1797318/page11/bgb.png)
EKHBRD011~016ADV17+Y17
Indoor unit for air to water heat pump system
4P402191-1B – 2017.09
Installation manual
8
Switch box main components
V17 unit types (1-phase)
Y17 unit types (3-phase)
1. Main PCB
The main PCB (Printed Circuit Board) controls the functioning of
the unit.
2. Control PCB
3. Inverter PCB
4. Inverter control PCB (only Y17)
5. QA PCB (only V17)
6. Filter PCB
7. Digital I/O PCB (optional)
8. Demand PCB (optional)
9. Terminal block X1M
Main terminal block which allows easy connection of field wiring
for power supply.
10. Terminal block X3M
Field wiring terminal block for low voltage connections.
11. Terminal block X2M
Field wiring terminal block for high voltage connections.
12. Low voltage connector X1Y
13. Pump connector X2Y
14. High voltage connector X3Y
15. Cable tie mountings
The cable tie mountings allow to fix the field wiring with cable
ties to the switch box to ensure strain relief.
16. Power wiring entry
17. High voltage field wiring entry
18. Low voltage field wiring entry
19. Compressor cable entry
20. Interface relay K1A
21. Wiring bridges
22. Fuse F1 (only Y17)
23. Fuse F2 (only Y17)
Functional diagram
8
12
20
19
14
13
1
3
5
9
16171810 11
6
721 2
8
12
20
19
14
13
1
2
3
4
6
16171810 911
23
21 227
NOTE
The electrical connection diagram can be found on the
inside of the switch box cover.
1 Outdoor unit 16 Fill valve (field supply)
2 Indoor unit 17 Shut-off valve water inlet
3 Refrigerant-refrigerant
heat exchanger
18 Shut-off valve water outlet
19 Domestic hot water tank
(optional)4 Accumulator
5 Compressor 20 Motorized 3-way valve
(optional)
6 Service port
7 Refrigerant-water heat
exchanger
21 Thermal cut-out (Q2L)
22 High pressure switch (S1PH)
8 Drain valve 23 High pressure sensor (B1PH)
9 Electronic expansion
valve
24 Low pressure sensor (B1PL)
25 Discharge thermistor (R6T)
10 Pressure relief valve 26 Leaving water thermistor (R5T)
11 Pump 27 Returning water thermistor
(R4T)
12 Air purge valve
13 Manometer 28 Liquid thermistor R134a (R7T)
14 Expansion vessel 29 Liquid thermistor R410A (R3T)
15 Water filter
M
1
2
3
89
2829
12
27
11
21
6
4
7
14
15 17
19
16
25
5
6
22
23
24
26 20 18
13
10
4PEN402191-1B_2017_09.book Page 8 Friday, October 6, 2017 7:03 PM
Содержание
- Indoor unit for air to water heat pump system 1
- Installation manual 1
- A daikin europe n v está autorizada a compilar a documentação técnica de fabrico 3
- A daikin europe n v jogosult a műszaki konstrukciós dokumentáció összeállítására 3
- A pozitivně zjištěno 3
- A pozitívne zistené 3
- According to the according to the 3
- Ako bolo uvedené v 3
- Alapján a z 3
- And judged positively by 3
- Ar pilnu atbildību apliecina ka tālāk aprakstītās iekārtas uz kurām attiecas šī deklarācija 3
- Are in conformity with the following standard s or other normative document s provided that these are used in accordance with our instructions 3
- As set out in 3
- Atitinka žemiau nurodytus standartus ir arba kitus norminius dokumentus su sąlyga kad yra naudojami pagal mūsų nurodymus 3
- Aufgeführt und von 3
- Aşa cum este stabilit în 3
- Bemerk 3
- Bemærk 3
- Bunun koşullarına uygun olarak 3
- Certificate 3
- Como se establece en 3
- Conform de volgende norm en of één of meer andere bindende documenten zijn op voorwaarde dat ze worden gebruikt overeenkomstig onze instructies 3
- Conformément au 3
- Conformément aux stipulations des 3
- Da belirtildiği gibi ve 3
- Daikin europe n v 3
- Daikin europe n v er autoriseret til at udarbejde de tekniske konstruktionsdata 3
- Daikin europe n v est autorisé à compiler le dossier de construction technique 3
- Daikin europe n v este autorizat să compileze dosarul tehnic de construcţie 3
- Daikin europe n v está autorizado a compilar el archivo de construcción técnica 3
- Daikin europe n v har tillatelse til å kompilere den tekniske konstruksjonsfilen 3
- Daikin europe n v hat die berechtigung die technische konstruktionsakte zusammenzustellen 3
- Daikin europe n v ir autorizēts sastādīt tehnisko dokumentāciju 3
- Daikin europe n v is authorised to compile the technical construction file 3
- Daikin europe n v is bevoegd om het technisch constructiedossier samen te stellen 3
- Daikin europe n v je ovlašten za izradu datoteke o tehničkoj konstrukciji 3
- Daikin europe n v je pooblaščen za sestavo datoteke s tehnično mapo 3
- Daikin europe n v ma upoważnienie do zbierania i opracowywania dokumentacji konstrukcyjnej 3
- Daikin europe n v on valtuutettu laatimaan teknisen asiakirjan 3
- Daikin europe n v on volitatud koostama tehnilist dokumentatsiooni 3
- Daikin europe n v teknik yapı dosyasını derlemeye yetkilidir 3
- Daikin europe n v yra įgaliota sudaryti šį techninės konstrukcijos failą 3
- Daikin europe n v â ó è âíô ûèô ôùëì óë ó û óù íâè ùôó â óèîfi ê îâïô î ù ûîâ 3
- Daikin europe n v är bemyndigade att sammanställa den tekniska konstruktionsfilen 3
- Daikin europe n v è autorizzata a redigere il file tecnico di costruzione 3
- Daikin europe n v е оторизирана да състави акта за техническа конструкция 3
- De acordo com o 3
- De acordo com o previsto em 3
- De acuerdo con el 3
- Declara bajo su única responsabilidad que el equipo al que hace 3
- Declară pe proprie răspundere că echipamentele la care se referă această declaraţie 3
- Deklarerar i egenskap av huvudansvarig att utrustningen som berörs av denna deklaration innebär att 3
- Deklaruje na własną wyłączną odpowiedzialność że urządzenia których ta deklaracja dotyczy 3
- Delineato nel 3
- Der den folgenden norm en oder einem anderen normdokument oder dokumenten entspricht entsprechen unter der voraussetzung daß sie gemäß unseren anweisungen eingesetzt werden 3
- Değiştirilmiş halleriyle yönetmelikler 3
- Dichiara sotto la propria responsabilità che gli apparecchi a cui è riferita questa dichiarazione 3
- Directivas conforme alteração em 3
- Directivas según lo enmendado 3
- Directivelor cu amendamentele respective 3
- Directives as amended 3
- Directives telles que modifiées 3
- Direktiivejä sellaisina kuin ne ovat muutettuina 3
- Direktiivid koos muudatustega 3
- Direktiv med företagna ändringar 3
- Direktive z vsemi spremembami 3
- Direktiven gemäß änderung 3
- Direktiver med foretatte endringer 3
- Direktiver med senere ændringer 3
- Direktyvose su papildymais 3
- Direktīvās un to papildinājumos 3
- Direttive come da modifica 3
- E com o parecer positivo de 3
- E giudicato positivamente da 3
- Ekhbrd011adv1 ekhbrd014adv1 ekhbrd016adv1 ekhbrd011ady1 ekhbrd014ady1 ekhbrd016ady1 3
- En positief beoordeeld door 3
- En60335 2 40 3
- Enligt 3
- Enligt villkoren i 3
- Erklärt auf seine alleinige verantwortung dass die ausrüstung für die diese erklärung bestimmt ist 3
- Erklærer et fullstendig ansvar for at det utstyr som berøres av denne deklarasjon innebærer at 3
- Erklærer som eneansvarlig at udstyret som er omfattet af denne erklæring 3
- Están en conformidad con la s siguiente s norma s u otro s documento s normativo s siempre que sean utilizados de acuerdo con nuestras instrucciones 3
- Estão em conformidade com a s seguinte s norma s ou outro s documento s normativo s desde que estes sejam utilizados de acordo com as nossas instruções 3
- Et évalué positivement par 3
- F ˆ î ıôú âù è ûùô 3
- Following the provisions of 3
- Gemäß den vorschriften der 3
- Gitt i henhold til bestemmelsene i 3
- Hinweis 3
- I henhold til 3
- I pozitivno ocijenjeno od strane 3
- Ievērojot prasības kas noteiktas 3
- Ifølge 3
- Igazolta a megfelelést a z 3
- Ilmoittaa yksinomaan omalla vastuullaan että tämän ilmoituksen tarkoittamat laitteet 3
- In odobreno s strani 3
- Information 3
- Ir kaip teigiamai nuspręsta 3
- Irányelv ek és módosításaik rendelkezéseit 3
- Izjavljuje pod isključivo vlastitom odgovornošću da oprema na koju se ova izjava odnosi 3
- Ja heaks kiidetud 3
- Ja jotka 3
- Jak bylo uvedeno v 3
- Jotka on esitetty asiakirjassa 3
- Järgi vastavalt 3
- Kaip nustatyta 3
- Kako je izloženo u 3
- Kinnitab oma täielikul vastutusel et käesoleva deklaratsiooni alla kuuluv varustus 3
- Kot je določeno v 3
- Követi a z 3
- Kā norādīts 3
- La declaración 3
- Laikantis nuostatų pateikiamų 3
- Low voltage 2014 35 eu machinery 2006 42 ec electromagnetic compatibility 2014 30 eu 3
- Megfelelnek az alábbi szabvány ok nak vagy egyéb irányadó dokumentum ok nak ha azokat előírás szerint használják 3
- Megjegyzés 3
- Mukaisesti 3
- Märkus 3
- Nagu on näidatud dokumendis 3
- Napomena 3
- Noudattaen määräyksiä 3
- Ob upoštevanju določb 3
- Och godkänts av 3
- Održiavajúc ustanovenia 3
- Og gjennom positiv bedømmelse av 3
- Og positivt vurderet af 3
- On hyväksynyt 3
- On vastavuses järgmis t e standardi te ga või teiste normatiivsete dokumentidega kui neid kasutatakse vastavalt meie juhenditele 3
- Opomba 3
- Overeenkomstig 3
- Overeenkomstig de bepalingen van 3
- Overholder følgende standard er eller andet andre retningsgivende dokument er forudsat at disse anvendes i henhold til vore instrukser 3
- P402254 7b 3
- Pagal pagal 3
- Pastaba 3
- Pen402191 1b_2017_09 book page 1 friday october 6 2017 7 03 pm 3
- Piezīmes 3
- Positiv beurteilt gemäß 3
- Pozitīvajam vērtējumam saskaņā ar 3
- Poznámka 3
- Pozytywną opinią 3
- Prema odredbama 3
- Prohlašuje ve své plné odpovědnosti že zařízení k němuž se toto prohlášení vztahuje 3
- Remarque 3
- Respektive utrustning är utförd i överensstämmelse med och följer följande standard er eller andra normgivande dokument under förutsättning att användning sker i överensstämmelse med våra instruktioner 3
- Respektive utstyr er i overensstemmelse med følgende standard er eller andre normgivende dokument er under forutssetning av at disse brukes i henhold til våre instrukser 3
- Richtlijnen zoals geamendeerd 3
- Secondo il 3
- Secondo le prescrizioni per 3
- Sertifikasına 3
- Shigeki morita director ostend 1st of december 2016 3
- Siguiendo las disposiciones de 3
- Skladni z naslednjimi standardi in drugimi normativi pod pogojem da se uporabljajo v skladu z našimi navodili 3
- Smernice v platnom znení 3
- Smjernice kako je izmijenjeno 3
- Som anført i 3
- Som det fremkommer i 3
- Sono conformi al i seguente i standard s o altro i documento i a carattere normativo a patto che vengano usati in conformità alle nostre istruzioni 3
- Sont conformes à la aux norme s ou autre s document s normatif s pour autant qu ils soient utilisés conformément à nos instructions 3
- Spełniają wymogi następujących norm i innych dokumentów normalizacyjnych pod warunkiem że używane są zgodnie z naszymi instrukcjami 3
- Společnost daikin europe n v má oprávnění ke kompilaci souboru technické konstrukce 3
- Spoločnosť daikin europe n v je oprávnená vytvoriť súbor technickej konštrukcie 3
- Sunt în conformitate cu următorul următoarele standard e sau alt e document e normativ e cu condiţia ca acestea să fie utilizate în conformitate cu instrucţiunile noastre 3
- Szerint 3
- Sú v zhode s nasledovnou ými normou ami alebo iným i normatívnym i dokumentom ami za predpokladu že sa používajú v súlade s našim návodom 3
- Tad ja lietoti atbilstoši ražotāja norādījumiem atbilst sekojošiem standartiem un citiem normatīviem dokumentiem 3
- Tal como estabelecido em 3
- Tamamen kendi sorumluluğunda olmak üzere bu bildirinin ilgili olduğu donanımının aşağıdaki gibi olduğunu beyan eder 3
- Tanúsítvány 3
- Tarafından tarafından olumlu olarak değerlendirildiği gibi 3
- Tel que défini dans 3
- Teljes felelőssége tudatában kijelenti hogy a berendezések melyekre e nyilatkozat vonatkozik 3
- U skladu sa slijedećim standardom ima ili drugim normativnim dokumentom ima uz uvjet da se oni koriste u skladu s našim uputama 3
- Un atbilstoši 3
- Under iagttagelse af bestemmelserne i 3
- V platném znění 3
- V skladu s 3
- V souladu s 3
- V súlade s 3
- Vastaavat seuraavien standardien ja muiden ohjeellisten dokumenttien vaatimuksia edellyttäen että niitä käytetään ohjeidemme mukaisesti 3
- Vastavalt nõuetele 3
- Verklaart hierbij op eigen exclusieve verantwoordelijkheid dat de apparatuur waarop deze verklaring betrekking heeft 3
- Visiška savo atsakomybe skelbia kad įranga kuriai taikoma ši deklaracija 3
- Vyhlasuje na vlastnú zodpovednosť že zariadenie na ktoré sa vzťahuje toto vyhlásenie 3
- Wie in der 3
- Y es valorado positivamente por 3
- Z późniejszymi poprawkami 3
- Z vso odgovornostjo izjavlja da je oprema naprav na katero se izjava nanaša 3
- Za dodržení ustanovení předpisu 3
- Za předpokladu že jsou využívány v souladu s našimi pokyny odpovídají následujícím normám nebo normativním dokumentům 3
- Zertifikat 3
- Zgodnie z dokumentacją 3
- Zgodnie z postanowieniami dyrektyw 3
- Zoals vermeld in 3
-  ó è û ìêˆó ìâ ùô îfiïô ıô úfiù ô ïïô ááú êô î óôóèûìòó fi ùëó úô fiıâûë fiùè úëûèìô ôèô óù è û ìêˆó ìâ ùè ô ëá â ì 3
- Ëáèòv fi ˆ ô ó ùúô ô ôèëıâ 3
- Ëìâ ˆûë 3
- Ëïòóâè ìâ ôîïâèûùèî ùë â ı óë fiùè ô âíô ïèûìfi ûùôó ô ô ô ó ê úâù è ë úô û ïˆûë 3
- Ìâ ù úëûë ùˆv è ù íâˆv ùˆv 3
- Î è îú óâù è ıâùèî fi ùô 3
- În conformitate cu 3
- În urma prevederilor 3
- Û ìêˆó ìâ ùô 3
- Ürünün talimatlarımıza göre kullanılması koşuluyla aşağıdaki standartlar ve norm belirten belgelerle uyumludur 3
- Şi apreciat pozitiv de 3
- В соответствии с положениями 3
- Декларира на своя отговорност че оборудването за което се отнася тази декларация 3
- Директив со всеми поправками 3
- Директиви с техните изменения 3
- Забележка 3
- Заявляет исключительно под свою ответственность что оборудование к которому относится настоящее заявление 3
- И в соответствии с положительным решением 3
- И оценено положително от 3
- Как указано в 3
- Както е изложено в 3
- Компания daikin europe n v уполномочена составить комплект технической документации 3
- Примечание 3
- Следвайки клаузите на 3
- Согласно 3
- Соответствуют следующим стандартам или другим нормативным документам при условии их использования согласно нашим инструкциям 3
- Съгласно 3
- Съответстват на следните стандарти или други нормативни документи при условие че се използват съгласно нашите инструкции 3
- Installation manual 4
- An optional ekbuh heater kit can be combined with the indoor unit purpose is to provide an additional heating capacity during cold outdoor temperatures the heater kit has a heating capacity of 6 kw and available for both 1 phase and 3 phase power supply specifications when using this heater kit installation of the optional demand pcb is required as well 5
- An optional ekrp1ahta demand pcb can be connected to the indoor unit this pcb is needed when the optional heater kit ekbuh or daikin room thermostat ekrtr or ekrtw is installed or when multiple set point control is used and provides the communication with the indoor unit 5
- An optional ekrp1hba digital i o pcb can be connected to the indoor unit and be used to remotely monitor your system this address card offers 3 voltage free outputs 5
- An optional room thermostat ekrtr or ekrtw can be connected to the indoor unit 5
- An optional secondary ekruahta remote controller with room thermostat functionality can be connected to the indoor unit purpose is to provide the possibility to install the standard remote controller near the unit for service reasons and install another remote controller in another place e g living room to operate your installation 5
- Application examples with only 1 heat emitter and 1 heat source ekhbrd unit 5
- Demand pcb option 5
- Digital i o pcb option 5
- Heater kit option 5
- I application 1 5
- If only 1 heat emitter all system has 1 water set point it is recommended not to use a balancing bottle 5
- If this option is installed it is not possible to use the remote controller thermostat function 5
- Indoor unit 5
- Installation of the ersq or errq heat pump outdoor is described in the outdoor unit installation manual 5
- Model identification 5
- Operation of the indoor unit is described in the indoor unit operation manual 5
- Refer to the demand pcb installation manual for further details 5
- Refer to the heater kit installation manual for further details 5
- Refer to the installation of the remote controller on page 17 for further details 5
- Refer to the operation manual of the indoor unit and to the digital i o pcb installation manual for more information 5
- Refer to the room thermostat installation manual for further details 5
- Refer to the wiring diagram or connection diagram for connecting this pcb to the unit 5
- Remote controller option 5
- Room thermostat option 5
- Scope of this manual 5
- Space heating and domestic hot water heating with a single remote controller installed in the living room 5
- The application examples given below are for illustration purposes only 5
- This installation manual describes the procedures for handling installing and connecting all ekhbrd indoor unit models 5
- Typical application examples 5
- Using a balancing bottle will affect the optimal pump control of the unit and will increase the cost of the system unnecessarily 5
- I application 2 6
- I application 3 6
- Optionally the daikin room thermostat ekrtr or ekrtw can be connected to the daikin system daikin can not guarantee neither good operation nor reliability of the system if another thermostat is used for those reasons daikin can not give warranty of the system in such case 6
- Refer to the chapter electrical wiring work on page 15 about connecting the master and slave remote controller 6
- Space heating and domestic hot water heating with a single remote controller installed with the unit and the external room thermostat installed in the living room 6
- Space heating and domestic hot water heating with one remote controller installed with the unit and another remote controller installed in the living room 6
- The remote controller gives immediate feedback to the indoor unit and by doing so it matches in a smart way the unit performance to the demanded space heating requirements in this way there is no frequent start stop of the unit or there are no too big temperature fluctuations in the to be heated rooms this remote controller has also a smart logic functionality which controls the combined space heating and domestic hot water demand e g if room temperature drops more than 3 c during domestic hot water operation the unit will automatically switch back to space heating the main remote controller c1 is installed in the living room and can access all settings master the second remote controller c2 can not access schedule and field settings slave 6
- The remote controller gives immediate feedback to the indoor unit and by doing so it matches in a smart way the unit performance to the demanded space heating requirements in this way there is no frequent start stop of the unit or there are no too big temperature fluctuations in the to be heated rooms this remote controller has also a smart logic functionality which controls the combined space heating and domestic hot water demand e g if room temperature drops more than 3 c during domestic hot water operation the unit will automatically switch back to space heating there is no remote controller near the unit during service maintenance an additional remote controller can be connected by a service person 6
- There is only a room thermostat on off control there is no smart logic functionality for space heating when there is simultaneous demand of space heating and domestic hot water the domestic hot water operation is performed according to the minimum and maximum timer operation 6
- Application examples with 2 or more different heat emitters and 1 heat source ekhbrd unit 7
- I application 4 7
- I pattern a the domestic hot water tank is installed in parallel with the temperature reducing device s this allows operating the unit in space heating and domestic water heating simultaneously the balancing of the water distribution is in this case the responsibility of the installer 7
- I pattern b the domestic hot water tank is installed in a separate circuit with a 3 way valve of the temperature reducing device s this configuration does not allow simultaneous domestic hot water and space heating operation 7
- Refer to the chapter multiple set point control on page 29 for more information about the configuration of your system 7
- Space heating provided through a combination of floor heating loops fan coil unit and radiator heating for floor heating applications in combination with radiators the water temperature delivered by the daikin system is too high for this reason a temperature reducing device field supply is required to lower the water temperature the hot water will be mixed with cold water to lower the temperature the control of this field supplied valve is not done by the heat pump system the operation and configuration of the field water circuit and selection of the balancing bottle the pumps etc are the responsibility of the installer daikin only offers the possibility to have multiple set points on request 7
- Such installations must be done using a balancing bottle and each kind of heat emitter should have a specific pump 7
- Using different heat emitters means using different water set points for the system 7
- Application examples with 2 different heat sources auxiliary boiler ekhbrd unit 8
- Bivalent operation is only possible for space heating operation not for the domestic hot water heating operation domestic hot water in such an application is always provided by the domestic hot water tank which is connected to the daikin indoor unit 8
- Daikin shall not be held liable for any damage resulting from failure to observe this rule 8
- During heating operation of the boiler the boiler will operate so as to achieve the target leaving water temperature as set on the boiler controller 8
- For this reason never put the target leaving water temperature set point on the boiler controller above 80 c and install an aquasta 8
- Frequent switching may cause corrosion of the boiler in an early stage contact the manufacturer of the boiler 8
- I application 5 8
- I be sure that the boiler and the integration of the boiler in the system is in accordance with relevant european and national regulations 8
- I daikin can not be put responsible for incorrect or unsafe situations in the boiler system 8
- I during heating operation of the ekhbrd unit the unit will operate so as to achieve the target leaving water temperature as set on the user interface when weather dependent operation is active the water temperature is determined automatically depending on the outdoor temperature 8
- I field wiring 8
- I make sure that auxiliary contact c has sufficient differential or time delay so as to avoid frequent changeover between the ekhbrd unit and the boiler if the auxiliary contact c is an outdoor temperature thermostat make sure to install the thermostat in the shade so that it is not influenced or turned on off by the sun 8
- I operation when the room thermostat th closes either the ekhbrd unit or the boiler starts operating depending on the position of the auxiliary contact c 8
- Make sure that return water to the ekhbrd heat exchanger never exceeds 80 c 8
- Make sure that the non return valves field supply are correctly installed in the system 8
- Make sure that the room thermostat th is not frequently turned on off 8
- Never set the target leaving water temperature set point on the boiler controller above 80 c 8
- Space heating application by either the daikin indoor unit or by an auxiliary boiler connected in the system an auxiliary contact decides whether either the ekhbrd indoor unit or the boiler will operate this auxiliary contact can e g be an outdoor temperature thermostat an electricity tariff contact a manually operated contact etc 8
- Space heating with an auxiliary boiler alternating operation 8
- The auxiliary boiler must be integrated in the piping work and in the field wiring according to the illustrations below 8
- Valve in the return water flow of the ekhbrd unit 8
- When using 2 heat sources it is recommended to use a balancing bottle as follows 8
- Design of the hydraulic system 9
- Example of a high external static pressure system 9
- I if the external static pressure of that pump is higher than the external static pressure of the air to water heat pump system please install an additional pump with higher external static pressure in combination with a balancing bottle 9
- I please always check the specifications of the pump of the old unit 9
- Pay special attention to the control of the circulation pump of the auxiliary boiler this pump should not operate simultaneously with the ekhbrd unit a simultaneous operation of both systems will risk the plate heat exchanger of the ekhbrd unit to freeze up 9
- Simultaneous operation of the auxiliary boiler and the ekhbrd unit is not allowed 9
- The pump will adjust its rpm rotations per minute as to control a fixed t between return and leaving water temperature 9
- This external static pressure graph is valid at maximum pump rpm 9
- When designing the hydraulic system always consider the available external static pressure of the ekhbrd unit 9
- When designing the hydraulic system always consult typical application examples on page 2 for references 9
- When replacing an old gas or fuel oil boiler by a air to water heat pump system ekhbrd 9
- Accessories supplied with this unit 10
- Ccessories 10
- Main components 10
- Verview of the indoor unit 10
- Functional diagram 11
- Switch box main components 11
- Dimensions and service space 12
- Inspecting and handling the unit 12
- Installing the indoor unit 12
- Nstallation of the indoor unit 12
- Selecting an installation location 12
- Checking the water circuit 15
- Guidelines for flare connection 15
- Iping connection work 15
- Refrigerant piping work 15
- Water piping work 15
- Calculating the pre pressure of the expansion vessel 16
- Check that the total water volume in the entire water circuit is lower than this value 16
- Check that the total water volume in the installation excluding the internal water volume of the unit is 20 l minimum 16
- Checking the maximum allowed water volume 16
- Checking the water volume and expansion vessel pre pressure 16
- Determine for the calculated pre pressure pg the corresponding maximum water volume using the graph below 16
- Example 16
- If this is not the case the expansion vessel inside the indoor unit is too small for the installation 16
- In critical processes or in rooms with a high heat load though extra water volume might be required 16
- In most applications this minimum water volume will have a satisfying result 16
- Pg h 10 0 bar 16
- The pre pressure pg to be set depends on the maximum installation height difference h and is calculated as below 16
- The unit is equipped with an expansion vessel of 12 litre which has a default pre pressure of 1 bar 16
- To assure proper operation of the unit the pre pressure of the expansion vessel might need to be adjusted and the minimum and maximum water volume must be checked 16
- To determine the maximum allowed water volume in the entire circuit proceed as follows 16
- Using the table and instructions below determine if the expansion vessel pre pressure requires adjustment and determine if the total water volume in the installation is below the maximum allowed water volume 16
- When circulation in each space heating radiator loop is controlled by remotely controlled valves it is important that this minimum water volume of 20 l is kept even if all the valves are closed 16
- Connecting the water circuit 17
- Harging water 17
- Method for adding water 17
- Precautions when connecting field piping and regarding insulation 17
- Setting the pre pressure of the expansion vessel 17
- Internal wiring parts table 18
- Lectrical wiring work 18
- Precautions on electrical wiring work 18
- Switch box components list 18
- After finishing the electric work confirm that each electric part and terminal inside the electric parts box is connected securely 19
- Cable requirements 19
- Connection of the indoor unit power supply and communication cable s 19
- I be sure to route all cables between the unit side plate and the wiring retention bar as shown in figure 3 19
- I cable tie mountings are provided at the wiring entries of the switch box see switch box main components on page 8 19
- I install the indoor and outdoor unit power supply cable and communication cable s at least 1 meter away from televisions or radios to prevent image interference or noise depending on the radio waves a distance of 1 meter may not be sufficient to eliminate the noise 19
- I most field wiring on the indoor unit side is to be made on the terminal block inside the switch box to gain access to the terminal blocks remove switch box service panel refer to the unit switch box cover for instructions how to remove this panel and gain access to the inside of the switch box 19
- I the electrical connection diagram can be found on the inside of the switch box cover 19
- I to avoid receiving electric noise be sure that the cables are put in the correct bundle and routed in the correct bundle tray as shown in figure 3 19
- I when wiring route the cable bundles that are outside the unit away from each other by at least 25 mm in order to avoid receiving electric noise external noise 19
- Open the switch box cover 19
- Open the unit and put the switch box in front of the unit as described in opening the unit on page 36 19
- Procedure 19
- Ps power supply see figure 3 lv low voltage see figure 3 hv high voltage see figure 3 19
- R4t returning water thermistor r5t leaving water thermistor r6t discharge thermistor r7t liquid thermistor r134a r8t fin thermistor rc a p receiver circuit s1ph high pressure switch s1s benefit kwh rate power supply contact field supply s3s mixing station input 1 field supply s4s mixing station input 2 field supply ss1 a1p selector switch emergency ss1 a2p selector switch master slave ss1 a7p selector switch optional tc a p transmitter circuit t1r t2r a p diode bridge t3r power module v1c v8c ferrite core noise filter v1c v12c ferrite core noise filter x1m x3m terminal block x1y x4y connector x m a p terminal block on pcb optional y17r 4 way valve z1f z5f a p noise filter 19
- Select all cables and wire sizes in accordance with relevant local and national regulations 19
- System overview of field wiring 19
- Using the appropriate cable connect the power supply and communication cable s to the appropriate terminals as shown on the wiring diagram and according to figure 3 19
- V17 models only y17 models only 19
- Connection to a benefit kwh rate power supply 20
- Installation of the remote controller 20
- For v17 unit types only 1 21
- For y17 unit types only 3 21
- In case of benefit kwh rate power supply installation remove the wiring bridges on x2m before installing the normal kwh rate power supply 21
- Possible connections and requirements to connect the equipment to such power supply are illustrated in the figures below 21
- Possible types of benefit kwh rate power supply 21
- When parameter 6 04 1 at the moment that the benefit kwh rate signal is sent by the electricity company that contact will open and the unit will go in forced off mod 21
- When parameter 6 04 2 at the moment that the benefit kwh rate signal is sent by the electricity company that contact will close and the unit will go in forced off mod 21
- When the indoor and outdoor unit are connected to a benefit kwh rate power supply the voltage free contact of the receiver controlling the benefit kwh rate signal of the electricity company must be connected to clamps 7 and 8 of x3m as illustrated in the figure above 21
- Field settings 22
- Pre operation checks 22
- Up and configuration 22
- Detailed description 23
- Procedure 23
- In the following tables both methods on how to interpret the schedule timer are shown 24
- Off on on 24
- Operation example schedule timer based on on off instruction 24
- Operation example schedule timer based on temperature set points 24
- When setback function is enabled the setback operation will have priority over the scheduled action in the schedule timer 24
- When setback function is enabled the setback operation will have priority over the scheduled action in the schedule timer if on instruction is active if off instruction is active this will have priority over the setback function at any time the off instruction will have the highest priority 24
- Do not forget to restore the field setting e 04 to the default value when commissioning is finished 29
- I e 04 2 high pump speed operation if you select e 04 1 or 2 and 6 00 1 the unit will activate the domestic hot water 3 way valve this function is a helpful feature to get all air removed out of the system as well in space heating as in domestic hot water heating 29
- On off 29
- Reheat operation 29
- Remote controller leaving water temperature control 29
- See chapter final check on page 34 for more information 29
- Simultaneous demand of space heating and domestic water heating 29
- Storage operation 29
- When requesting space heating and domestic water heating reheat at the same time the domestic water will be heated till maximum reheat temperature then space heating will start again 29
- When requesting space heating and domestic water heating storage at the same time domestic water will be heated according to running timer then space heating will start again according to running timer then domestic water heating will start again according to running timer this will continue till storage set point is reached 29
- When the reheat temperature is reached the further heat up till storage temperature of the domestic hot water tank will be decided by the running timers which are programmed by the installer 29
- External room thermostat 30
- On off 30
- Reheat operation 30
- Storage operation 30
- When requesting space heating and domestic water heating reheat at the same time the domestic water will be heated till maximum reheat temperature then space heating will start again 30
- When requesting space heating and domestic water heating storage at the same time domestic water will be heated according to running timer then space heating will start again according to running timer then domestic water heating will start again according to running timer this will continue till storage set point is reached 30
- When the reheat temperature is reached the further heat up of the domestic hot water tank will be decided by the external room thermostat thermo conditions and running timers which are programmed by the installer 30
- On off 31
- Reheat operation 31
- Remote controller room temperature control 31
- Storage operation 31
- When requesting space heating and domestic water heating reheat at the same time the domestic water will be heated till maximum reheat temperature then space heating will start again 31
- When requesting space heating and domestic water heating storage at the same time domestic water will be heated but as soon as the room temperature drops 3 c from set point space heating will start till 0 c above set point then domestic water will be heated again till storage set point 31
- When the reheat temperature is reached the further heat up till storage temperature of the domestic hot water tank will be decided by the remote controller room thermostat in order to prevent the room temperature to drop too much 31
- Multiple set point control 32
- Field settings table 35
- Final check 37
- Inal check and test run 37
- Procedure for domestic water heating 37
- Procedure for space heating 37
- Temperature read out mode 37
- Test run 37
- Aintenance and service 38
- Checks 38
- General guidelines 38
- Maintenance activities 38
- Roubleshooting 38
- General symptoms 39
- I make sure to always fix the cover with the screws when removing the switch box 39
- I make sure to switch off all power supplies before removing the switch box from the unit 39
- I parts inside the unit can be hot and burning is possible 39
- I to facilitate access to the air purge valve thermal cut out 3 way valve thermistors field wiring duct the top decoration panel of the unit can be removed by removing the 2 screws at the rear and then unhitch the panel both the drain plates can be removed 39
- I to gain access to the indoor unit at the front side the total switch box can be removed from the unit 39
- Loosen the front screws and unhitch the total switch box 39
- Opening the unit 39
- Switch off all power supply also outdoor unit power supply etc before removing the switch box service cover 39
- The switch box can now be placed just before the indoor unit the compressor cable located at the backside of the unit can be untied to place the switch box further away from the unit 39
- To remove the front decoration panel remove the 2 bottom screws and then unhitch the panel 39
- A list of all errors and corrective actions can be found in the table below 40
- Error codes 40
- In case this procedure for resetting the safety is not successful contact your local dealer 40
- Reset the safety by pushing the button 40
- When a safety device is activated the user interface led will be flashing and an error code will be displayed 40
- Electrical specifications 41
- Nit specifications 41
- Technical specifications 41
- General overview and guide to start up the unit 42
- Domestic water heating 43
- Simultaneous demand of space heating and domestic water heating 44
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