Hitachi RAS-8FSXNS2E User manual

–
INSTALLATION &
OPERATION
MANUAL
–
SET FREE SERIES
PMML0628 rev.0 - 05/2023
MODELS
RAS-(8-96)FSXNS2E - air365 Max
RAS-(5-54)FSXNP2E - air365 Max Pro
Heat pump system
Heat recovery system

EN
The English version is the original one; other languages are translated from English. Should any
discrepancy occur between the English and the translated versions, the English version shall
prevail.
ES
La versión en inglés es la original, y las versiones en otros idiomas son traducciones de la inglesa.
En caso de discrepancias entre la versión inglesa y las versiones traducidas, prevalecerá la versión
inglesa.
DE
Die englische Fassung ist das Original, und die Fassungen in anderen Sprachen werden aus dem
Englischenübersetzt. Sollten die englische und die übersetzten Fassungen voneinander abweichen,
so hat die englische Fassung Vorrang.
FR
La version anglaise est la version originale; les autres langues sont traduites de l’anglais. En cas de
divergence entre les versions anglaise et traduite, la version anglaise prévaudra.
IT
La versione inglese è l’originale e le versioni in altre lingue sono traduzioni dall’inglese. In caso di
divergenze tra la versione inglese e quelle tradoe, fa fede la versione inglese.
PT
A versão inglesa é a original; as versões em outras línguas são traduzidas do inglês. Em caso de
divergência entre a versão em língua inglesa e as versões traduzidas, faz fé a versão em língua
inglesa.
DA
Den engelske udgave er originalen, og udgaverne på andre sprog er oversat fra engelsk. Hvis der
forekommer uoverensstemmelser mellem den engelske og den oversae sprogudgave, vil den
engelske udgave være gældende.
NL
De Engelse versie is de originele; andere talen zijn vertaald uit het Engels. In geval van verschillen
tussen de Engelse versie en de vertaalde versies, hee de Engelse versie voorrang.
SV
Den engelska versionen är originalet, och versionerna på andra språk är från engelska
översäningar. I händelse av bristande överensstämmelse mellan den engelska och den översaa
versionerna, skall den engelska versionen vara gilg.
EL
Η αγγλική έκδοση είναι το πρωτότυπο και οι εκδόσεις σε άλλες γλώσσες μεταφράζονται από τα
αγγλικά. Σε περίπτωση που διαπιστωθούν διαφορές μεταξύ της αγγλικής και της μεταφρασμένης
έκδοσης, η αγγλική έκδοση είναι επικρατέστερη.
BG
Версията на английски език е оригиналната; версиите на останалите езици са в превод от
английски език. При различие между английската версия и преводна версия на друг език за
меродавна се счита английската версия.

CS
Originální verze tohoto dokumentu je v angličně; ostatní jazykové varianty jsou z angličny
přeložené. Pokud mezi anglickou a jakoukoli jinou jazykovou verzí dojde k rozporu, bude převažovat
anglická verze.
HU
Az erede változat az angol; az egyéb nyelvű változatok angolról leek fordítva. Amennyiben
az angol és a fordíto verziók közö bármilyen eltérés mutatkozik, az angol nyelvű változat a
mérvadó.
LT
Versija anglų kalba yra originali; versijos kitomis kalbomis yra išverstos iš anglų kalbos. Jei yra
neakimų tarp versijos anglų kalba ir versnių versijų, pirmenybė teikiama versijai anglų kalba.
PL
Wersja angielska jest wersją oryginalną - wszystkie pozostałe stanowią jej tłumaczenie na
odpowiednie języki. W przypadku stwierdzenia jakichkolwiek rozbieżności między oryginałem a
jego tłumaczeniem, rozstrzygająca jest wersja w języku angielskim.
RO
Versiunea originală este cea în limba engleză; versiunile în alte limbi sunt traduse din limba
engleză. Dacă există vreo discrepanță între versiunile în limba engleză și versiunea tradusă,
prevalează versiunea în limba engleză.
SK
Anglická verzia je pôvodná, ďalšie jazyky sú preložené z angličny. V prípade akýchkoľvek
nezrovnalos medzi anglickou a preloženou verziou, bude rozhodujúca anglická verzia.
UK
Англійська версія є оригінальною; інші мови переведені з англійської. У разі виникнення
розбіжностей між англійською та перекладеною версіями, англійська версія має переважну
силу.
EN English Original version
ES
Español
Versión traducida
DE
Deutsch
Übersetzte Version
FR
Français
Version traduite
IT
Italiano
Versione tradoa
PT
Português
Versão traduzidal
DA
Dansk
Oversat version
NL
Nederlands
Vertaalde versie
SV
Svenska
Översa version
EL
Ελληνικα
Μεταφρασμένη έκδοση
BG
Български
Преведена версия
CS
Češna
Přeložená verze
HU
Magyar
Lefordíto változat
LT
Lietuvių
Versta versija
PL
Polski
Tłumaczenie wersji oryginalnej
RO
Română
Versiune tradusă
SK
Slovenčina
Preložená verzia
UK
Українська
Перекладена версія

III
PMML0628 rev.0 - 05/2023
Contents
01 General Informaon.............................................................................................1
02 Name of parts.......................................................................................................8
03 Piping work and refrigerant charge....................................................................12
04 Drain piping ........................................................................................................47
05 Electric wiring .....................................................................................................51
06 Commissioning ...................................................................................................59

IV
PMML0628 rev.0 - 05/2023
I
General Index
General Index
1. General Informaon ...................................................................................................1
1.1 General notes ....................................................................................................2
1.2 Applied symbols.................................................................................................2
1.3 Product guide ....................................................................................................3
1.4 Product list.........................................................................................................4
1.5 Combinaon of base units ................................................................................5
1.5.1 Base units.................................................................................................5
1.5.2 Build up capacity combinaon................................................................5
1.5.3 Units combinaon ...................................................................................5
2. Name of parts .............................................................................................................8
2.1 Cabinet size S.....................................................................................................9
2.2 Cabinet size M .................................................................................................10
2.3 Cabinet size L ...................................................................................................11
3. Piping work and refrigerant charge..........................................................................12
3.1 Connecon kit selecon..................................................................................13
3.2 Pipe size selecon............................................................................................13
3.2.1 Size of pipes (Ø mm)..............................................................................14
3.2.2 Examples................................................................................................24
3.3 Pipe connecon...............................................................................................25
3.3.1 Precauons for the installaon of the outdoor unit.............................26
3.3.2 Piping direcon......................................................................................32
3.3.3 Piping connecon..................................................................................34
3.3.4 Stop valve...............................................................................................34
3.4 Connecon scenarios ......................................................................................39

V
PMML0628 rev.0 - 05/2023
I
General Index
3.5 Air-Tight Test....................................................................................................41
3.5.1 Tightening check of stop valves ............................................................41
3.5.2 Air-ght test method.............................................................................42
3.5.3 Insulaon work ......................................................................................42
3.6 Vacuuming .......................................................................................................43
3.6.1 Basic Method........................................................................................43
3.6.2 Triple Evacuaon Method .....................................................................43
3.7 Charging work..................................................................................................44
3.7.1 Maximum permied concentraon of hydrouorcarbon (HFC)
refrigerant ..............................................................................................45
4. Drain piping...............................................................................................................47
4.1 Condensaon drainage system .......................................................................48
4.2 Installaon posion of the oponal drainage kit DBS-TP10A.........................49
4.2.1 Drain kit components ...........................................................................49
4.2.2 Quanty .................................................................................................50
5. Electric wiring ...........................................................................................................51
5.1 General informaon ........................................................................................52
5.2 General vericaons........................................................................................52
5.3 Seng of the DSW switches on PCB1.............................................................53
6. Commissioning .........................................................................................................59
6.1 Preliminary checks...........................................................................................60
6.2 Carry out the Test Run.....................................................................................61

1
PMML0628 rev.0 - 05/2023
1
GENERAL INFORMATION
1.1 General notes ....................................................................................................2
1.2 Applied symbols.................................................................................................2
1.3 Product guide ....................................................................................................3
1.4 Product list.........................................................................................................4
1.5 Combinaon of base units ................................................................................5
1.5.1 Base units.................................................................................................5
1.5.2 Build up capacity combinaon................................................................5
1.5.3 Units combinaon ...................................................................................5
General Informaon

2
PMML0628 rev.0 - 05/2023
1
GENERAL NOTES
GENERAL INFORMATION
1.1 General notes
No part of this publicaon may be reproduced, copied, led or transmied in any shape or form
without the permission of Johnson Controls-Hitachi Air Condioning Spain, S.A.U.
Within the policy of connuous improvement of its products, Johnson Controls-Hitachi Air
Condioning Spain, S.A.U. reserves the right to make changes at any me without prior nocaon
and without being compelled to introducing them into products previously sold. This document
may therefore have been subject to amendments during the life of the product.
Hitachi makes every eort to oer correct, up-to-date documentaon. Despite this, prinng errors
cannot be controlled by Hitachi and are not its responsibility.
As a result, some of the images or data used to illustrate this document may not refer to specic
models. No claims will be accepted based on the data, illustraons and descripons included in
this manual.
No type of modicaon must be made to the equipment without prior, wrien authorisaon from
the manufacturer.
1.2 Applied symbols
During normal heat pump system design work or unit installaon, greater aenon must be paid in
certain situaons requiring parcular care in order to avoid damage to the unit, the installaon or
the building or property.
Situaons that jeopardise the safety of those in the surrounding area or to the unit itself are clearly
indicated in this manual.
A series of special symbols are used to clearly idenfy these situaons.
Pay close aenon to these symbols and to the messages following them, as your safety and that
of others depends on it.
!DANGER
• The text following this symbol contains informaon and instrucons relang directly to your
safety, in addion to hazards or unsafe pracces which could result in severe personal injuries
or death.
• Not taking these instrucons into account could lead to serious, very serious or even fatal
injuries to you and others.
In the texts following the danger symbol you can also nd informaon on safety procedures during
unit installaon.

3
PMML0628 rev.0 - 05/2023
1
PRODUCT GUIDE
GENERAL INFORMATION
!CAUTION
• The text following this symbol contains informaon and instrucons relang directly to your
safety, in addion to hazards or unsafe pracces which could result in minor personal injury or
product or property damage.
• Not taking these instrucons into account could lead to minor injuries to you and others in the
proximies of the unit.
• Not taking these instrucons into account could lead to unit damage.
In the texts following the cauon symbol you can also nd informaon on safety procedures during
unit installaon.
NOTE
• The text following this symbol contains informaon or instrucons that may be of use or that
require a more thorough explanaon.
• Instrucons regarding inspecons to be made on unit parts or systems may also be included.
1.3 Product guide
Unit type: RAS
Posion-separang hyphen (xed)
System capacity (HP): air365 Max (8-96), air365 Max Pro (5-54)
SET FREE series
X: Heat Recovery system (3 pipes)
Refrigerant type N: R410A
S: air365 Max
P: air365 Max Pro
2: series
Made in Europe
RAS - X FS X N (X) 2 E