Hitachi EXV-2.0E User manual

INSTALLATION AND OPERATION MANUAL
MANUAL DE INSTALACIÓN Y FUNCIONAMIENTO
INSTALLATIONS- UND BETRIEBSHANDBUCH
MANUEL D’INSTALLATION ET DE FUNCTIONNEMENT
MANUALE D’INSTALLAZIONE E D’USO
MANUAL DE INSTALAÇÃO E DE FUNCIONAMENTO
BRUGER- OG MONTERINGSVEJLEDNING
INSTALLATIE- EN BEDIENINGSHANDLEIDING
HANDBOK FÖR INSTALLATION OCH ANVÄNDING
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IJȡȩʌȠijȚȜȚțȩʌȡȠȢIJȠʌİȡȚȕȐȜȜȠȞ
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IJȠȣʌȡȑʌİȚȞĮȖȓȞİȚĮʌȩİʌĮȖȖİȜȝĮIJȓĮIJİȤȞȚțȩțĮȚıȪȝijȦȞĮȝİIJȠȣȢȚıȤȪȠȞIJİȢțĮȞȠȞȚıȝȠȪȢ
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English
)URPWK-XO\DQGIROORZLQJ5HJXODWLRQ(&1RQ&HUWDLQ)OXRULQDWHG*UHHQKRXVHJDVHVLWLVPDQGDWRU\WR¿OOLQWKH
label attached to the unit with the total amount of refrigerant charged on the installation.
'RQRWYHQW5$5&LQWRWKHDWPRVSKHUH5$5&DUHÀXRULQDWHGJUHHQKRXVHJDVHVFRYHUHGE\WKH.\RWRSURWRFRO
global warming potential (GWP) R410A/R407C: = 1975/1652.5.
Español
'HVGHHOGH-XOLRGH\HQEDVHDO5HJODPHQWR&(1VREUHGHWHUPLQDGRVJDVHVÀXRUDGRVGHHIHFWRLQYHUQDGHURHV
obligatorio rellenar la etiqueta suministrada con la unidad con la cantidad total de refrigerante con que se ha cargado la instalación.
1RGHVFDUJXHHO5$5&HQODDWPyVIHUD5$\5&VRQJDVHVÀXRUDGRVFXELHUWRVSRUHOSURWRFRORGH.\RWRFRQXQ
potencial de calentamiento global (GWP): = 1975/1652.5.
Deutsch
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France:
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Italiano
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Português
$SDUWLUGHGH-XOKRGHHHPFRQIRUPLGDGHFRPD5HJXODPHQWDomRGD8(1VREUHGHWHUPLQDGRVJDVHVÀXRUDGRV
FRPHIHLWRGHHVWXIDpREULJDWyULRSUHHQFKHUDHWLTXHWDD¿[DGDQDXQLGDGHFRPDTXDQWLGDGHWRWDOGHUHIULJHUDQWHFDUUHJDGDQD
instalação.
1mRYHQWLODU5$5&SDUDDDWPRVIHUDR5$HR5&VmRJDVHVÀXRUDGRVFRPHIHLWRGHHVWXIDDEUDQJLGRVSHORSRWHQFLDO
de aquecimiento global (GWP) do protocolo de Quioto: = 1975/1652.5.
Dansk
)UDG-XOLRJLKHQKROGWLO5nGHWVIRURUGQLQJ()QURPYLVVHÀXRUKROGLJHGULYKXVJDVVHUVNDOLQVWDOODWLRQHQVVDPOHGH
PQJGHN¡OHYVNHIUHPJnDWGHQHWLNHWGHUHUNOEHWIDVWSnHQKHGHQ
6OLSLNNH5$5&XGLDWPRVIUHQ55&HUÀXRUKROGLJHGULYKXVJDVVHUGHUHURPIDWWHWDI.\RWRSURWRNROOHQVJOREDOH
opvarmningspotentiale (GWP) R410A/R407C: = 1975/1652.5.
Nederlands
9DQDI-XOLHQFRQIRUPULFKWOLMQ(&1YRRUEHSDDOGHÀXRUEURHLNDVJDVVHQGLHQWXGHWDEHOLQWHYXOOHQRSGHXQLWPHW
KHWWRWDOHNRHOPLGGHOYROXPHLQGHLQVWDOODWLH
/DDWJHHQ5$5&RQWVQDSSHQLQGHDWPRVIHHU5$5&]LMQÀXRUEURHLNDVJDVVHQGLHYDOOHQRQGHUKHWSURWRFROYDQ
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Svenska
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INDEX INDICE
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  6$)(7<
  6<67(0'(6&5,37,21
  352'8&7*8,'(
  1$0(2)3$576
  &20%,1$%,/,7<
  81,7,167$//$7,21
  5()5,*(5$173,3,1*
  (/(&75,&$/:,5,1*


  ,1)250$&,Ï1*(1(5$/
  6(*85,'$'
  '(6&5,3&,Ï1'(/6,67(0$
  *8Ë$'(/352'8&72
  120%5(6'(/$63,(=$6
  &$3$&,'$''(&20%,1$&,Ï1
  ,167$/$&,Ï1'(/$81,'$'
  78%(5Ë$'(5()5,*(5$17(
  &$%/($'2(/e&75,&2

INHALT INDEX

  $//*(0(,1(,1)250$7,21(1
  6,&+(5+(,7
  6<67(0%(6&+5(,%81*
  352'8.7h%(56,&+7
  7(,/(%(=(,&+181*
  0g*/,&+(.20%,1$7,21(1
  *(5b7(,167$//$7,21
  .b/7(0,77(//(,781*(1
  9(5.$%(/81*


  ,1)250$7,216*e1e5$/(6
  6e&85,7e
  '(6&5,37,21'86<67Ê0(
  *8,'('8352'8,7
  120(1&/$785('(63,Ê&(6
  3266,%,/,7e6'(&20%,1$,6216
  ,167$//$7,21'(681,7(6
  78<$87(5,()5,*25,),48(
  &Æ%/$*(e/(&75,48(

INDICE ÍNDICE

  ,1)250$=,21,*(1(5$/,
  6,&85(==$
  '(6&5,=,21('(/6,67(0$
  *8,'$'(/352'2772
  120(1&/$785$'(,&20321(17,
  &20%,1$%,/,7¬
  ,167$//$=,21('(//¶81,7¬
  /,1($5()5,*(5$17(
  &2//(*$0(172'(//26&+(0$ 
  (/(775,&2


  ,1)250$d2*(5$/
  6(*85$1d$
  '(6&5,d2'26,67(0$
  *8,$'2352'872
  120('$63(d$6
  &20%,1$d®(6
  ,167$/$d2'$81,'$'(
  78%$*(0'(5()5,*(5$17(
  /,*$d®(6(/e&75,&$6


INDEX INHOUDSOPGAVE

  *(1(5(/,1)250$7,21
  6,..(5+('
  6<67(0%(6.5,9(/6(
  352'8.79(-/('1,1*
  1$913c'(/(
  )25(1(/,*+('
  0217(5,1*$)(1+('
  55)5,1*)25./(0,''(/
  (/(.75,6./('1,1*6)5,1*


  $/*(0(1(,1)250$7,(
  9(,/,*+(,'
  %(6&+5,-9,1*9$1+(76<67((0
  352'8&7*,'6
  1$0(19$121'(5'(/(1
  &20%,1$7,(237,(6
  ,167$//$7,(9$1'(81,7
  .2(//(,',1*(1
  (/(.75,6&+(%('5$',1*

INNEHÅLLSFÖRTECKNING  ǼȊȇǼȉǾȇǿȅ

  $//0b1,1)250$7,21
  6b.(5+(7
  6<67(0g9(56,.7
  352'8.7*8,'(
  '(/$51$61$01
  .20%,1$7,2160g-/,*+(7(5
  ,167$//$7,21$9(1+(7
  .</5g5
  .$%(/$16/871,1*$5


  īǼȃǿȀǼȈȆȁǾȇȅĭȅȇǿǼȈ
  ǹĭǹȁǼǿǹ
  ȆǼȇǿīȇǹĭǾȉȅȊȈȊȈȉǾȂǹȉȅȈ
  ȅǻǾīȅȈȆȇȅȎȅȃȉȅȈ
  ȅȃȅȂǹȉǹǼȄǹȇȉǾȂǹȉȍȃ
  ȈȊȃǻȊǹȈȂǿȀȅȉǾȉǹ
  ǼīȀǹȉǹȈȉǹȈǾȂȅȃǹǻȍȃ
  ȈȍȁǾȃȍȈǼǿȈȌȊȀȉǿȀȅȊ
  ǾȁǼȀȉȇǿȀǾȀǹȁȍǻǿȍȈǾ


1 GENERAL INFORMATION
1R SDUW RI WKLV SXEOLFDWLRQ PD\ EH UHSURGXFHG FRSLHG ¿OHG RU
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7$&+,UHVHUYHVWKHULJKWWRPDNHFKDQJHVDWDQ\WLPHZLWKRXW
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$V D UHVXOW VRPH RI WKH LPDJHV RU GDWD XVHG WR LOOXVWUDWH WKLV
GRFXPHQWPD\QRWUHIHUWRVSHFL¿FPRGHOV1RFODLPVZLOOEHDF-
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SULRUZULWWHQDXWKRULVDWLRQIURPWKHPDQXIDFWXUHU
2 SAFETY
2.1 APPLIED SYMBOLS
'XULQJQRUPDODLUFRQGLWLRQLQJV\VWHPGHVLJQZRUNRUXQLWLQVWDOOD-
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SDUWLFXODUFDUHLQRUGHUWRDYRLGGDPDJHWRWKHXQLWWKHLQVWDOOD-
WLRQRUWKHEXLOGLQJRUSURSHUW\
6LWXDWLRQVWKDWMHRSDUGLVHWKHVDIHW\RIWKRVHLQWKHVXUURXQGLQJ
DUHDRUWKDWSXWWKHXQLWLWVHOIDWULVNZLOOEHFOHDUO\LQGLFDWHGLQWKLV
PDQXDO
7RLQGLFDWHWKHVHVLWXDWLRQVDVHULHVRIVSHFLDOV\PEROVZLOOEH
XVHGWRFOHDUO\LGHQWLI\WKHVHVLWXDWLRQV
3D\FORVHDWWHQWLRQWRWKHVHV\PEROVDQGWRWKHPHVVDJHVIROORZ-
LQJWKHPDV\RXUVDIHW\DQGWKDWRIRWKHUVGHSHQGVRQLW
DANGER
7KH WH[W IROORZLQJ WKLV V\PERO FRQWDLQV LQIRUPDWLRQ DQG
LQVWUXFWLRQV UHODWLQJ GLUHFWO\ WR \RXU VDIHW\ DQG SK\VLFDO
ZHOOEHLQJ
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ULRXVYHU\VHULRXVRUHYHQIDWDOLQMXULHVWR\RXDQGRWKHUV
LQWKHSUR[LPLWLHVRIWKHXQLW
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PDWLRQRQVDIHSURFHGXUHVGXULQJXQLWLQVWDOODWLRQ
CAUTION
7KH WH[W IROORZLQJ WKLV V\PERO FRQWDLQV LQIRUPDWLRQ DQG
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PDWLRQRQVDIHSURFHGXUHVGXULQJXQLWLQVWDOODWLRQ
NOTE
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RUV\VWHPVPD\DOVREHLQFOXGHG
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ENGLI

DANGER
+,7$&+,LVQRWDEOHWRIRUHVHHDOOWKHFLUFXPVWDQFHVZKLFK
PD\UHVXOWLQDSRWHQWLDOGDQJHU
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DQGRXWGRRUXQLWVZLWKRXWGLVFRQQHFWLQJWKHPDLQVXSSO\
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PHGLDWHO\DQGFRQWDFW\RXUVHUYLFHVXSSOLHU
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LW\
CAUTION
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V\VWHP
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TXHQWO\VWRSWKHV\VWHPDQGFRQWDFWWKHVHUYLFHVXSSOHU
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7KLVZRUNPXVWEHFDUULHGRXWE\TXDOL¿HGVHUYLFHSHUVRQ-
QHOZLWKVXLWDEOHWRROVDQGUHVRXUFHVIRUWKHZRUN
'RQRWSODFHDQ\IRUHLJQPDWHULDOEUDQFKHVVWLFNVHWFLQ
WKHDLULQOHWRURXWOHWRIWKHXQLW7KHVHXQLWVDUH¿WWHGZLWK
KLJKVSHHGIDQVDQGFRQWDFWZLWKDQ\REMHFWLVGDQJHURXV
7KLV DSSOLDQFH PXVW EH XVHG RQO\ E\ DGXOW DQG FDSDEOH
SHRSOH KDYLQJ UHFHLYHG WKH WHFKQLFDO LQIRUPDWLRQ RU LQ-
VWUXFWLRQVWRKDQGOHWKLVDSSOLDQFHSURSHUO\DQGVDIHO\
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SOD\ZLWKWKHDSSOLDQFH
NOTE
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2.3 PURPOSE OF THIS MANUAL
2.2 ADDITIONAL INFORMATION ABOUT SAFETY
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PLEASE READ AND FAMILIARISE YOURSELF WITH THE
MANUAL BEFORE STARTING WORK ON THE INSTALLATION
OF THE AIR CONDITIONING SYSTEM.)DLOXUHWRREVHUYHWKH
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3 SYSTEM DESCRIPTION
Item Description
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CAUTION
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4 PRODUCT GUIDE
4.1 CLASSIFICATION OF DX-INTERFACE
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4.2 PRODUCT GUIDE CODIFICATION
Control box Expansion valve box
DX-Interface
Model Code
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4.3 FACTORY-SUPPLIED
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5 NAME OF PARTS
DX-Interface EXV-(2.0-6.0)E DX-Interface EXV-(8.0/10.0)E
1
2
3
4
5
76
3
3
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9
11
10 12
13
14
3
1
2
3
4
3
3
6
7
5
8
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12
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14
3
N° Name N° Name
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6 COMBINABILITY
Allowed Heat Exchanger
Capacity (kW) (1)
Heat Exchanger
Volume (dm³) (1)
Outdoor Unit DX -Code Mode Min Nom Max Min Max
RAS-2HVRN2 EXV-2.0E &RROLQJ 4.0 5.0 5.6 0.57 1.16
+HDWLQJ 4.5 5.6 7.1
RAS-2.5HVRN2 EXV-2.5E &RROLQJ 4.8 6.0 6.3 0.89 1.35
+HDWLQJ 5.6 7.0 7.1
RAS-3HVRNS2
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RAS-4H(V)RNS2E
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RAS-5H(V)RNS2E
RAS-5H(V)RNM2E EXV-5.0E &RROLQJ 10.0 12.5 14.0 1.92 2.37
+HDWLQJ 11.2 14.0 16.0
RAS-6H(V)RNS2E
RAS-6H(V)RNM2E EXV-6.0E &RROLQJ 11.2 14.0 16.0 1.92 2.92
+HDWLQJ 12.8 16.0 18.0
RAS-8HRNSE
RAS-8HRNM EXV-8.0E &RROLQJ 16.0 20.0 22.4 2.92 3.89
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RAS-10HRNSE
RAS-10HRNM EXV-10.0E &RROLQJ 20.0 25.0 28.0 3.89 4.76
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7 UNIT INSTALLATION
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DQGRXWGRRUWHPSHUDWXUHFRQGLWLRQVDFFRUGLQJVWDQGDUG(1
Operation conditions Cooling Heating
,QGRRUDLULQOHWWHPSHUDWXUH '% & &
WB & —
2XWGRRUDLULQOHWWHPSHUDWXUH '% & &
WB — &
'%GU\EXOE:%ZHWEXOE
3LSHOHQJWKPSLSHKHLJKWP
NOTE
&KHFNWKH$+8¶VRUFRQQHFWHGGHYLFHZLWKWKH'[KHDWH[-
FKDQJHUDOORZRSHUDWLQJPRGHDQGXVHLWH[FOXVLYHO\LQWKH
SURSHUPRGH
3OHDVHUHIHUWR2XWGRRUDQG$+8RU XQLW GHYLFH ZLWK KHDW
H[FKDQJHU,QVWDOODWLRQ0DQXDODQG7HFKQLFDO&DWDORJXHIRU
WKHZRUNLQJUDQJHOLPLWV

300/$UHY
&RPELQDELOLW\
ENGLI

7.2 SERVICE SPACE
DX-Interface EXV-(2.0-6.0)E / DX-Interface EXV-(8.0/10.0)E
0LQLPXPVL]HVPP
7.3 MOUNTING METHOD
1.8Nm
4
3
21
üû
bc da
üü
NOTE
,QFDVHRILQVWDOODWLRQSRVLWLRQV³F´DQG³G´PDNHVXUHWRLQVXODWHWKHFRSSHUSLSHVLQOHWRQWKHH[SDQVLRQYDOYHER[FRYHU
WRDYRLGDQ\OLTXLG¿OWUDWLRQDQGDFFXPXODWLRQ
7.1 DIMENSIONAL DATA
DX-Interface EXV-(2.0-6.0)E / DX-Interface EXV-(8.0/10.0)E
*
*
PP
*
*
)RULQVWDOODWLRQ

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8QLWLQVWDOODWLRQ

7.4 THERMISTOR INSTALLATION
Liquid and gas pipes thermistors
7ZRW\SHWKHUPLVWRUVDUHVXSSOLHGLQVLGHWKHFRQWUROER[7KHSXU-
SRVHDQGLGHQWL¿FDWLRQRIHDFKRQHLVDVIROORZ
Item
PCB socket /
Thermistor
connector color
PCB
socket
number
Thermistor
length (mm)
/LTXLGSLSHWKHUPLVWRU %ODFN 7+0 
*DVSLSHWKHUPLVWRU <HOORZ 7+0 
CAUTION
,Q FDVH WKDW WKH WKHUPLVWRUV VXSSOLHG ZLWK WKH '[,QWHUIDFH
DUH QRW ORQJ HQRXJK SOHDVH PDNH VXUH WKDW WKH OHQJWK H[-
WHQVLRQLVSURSHUO\GRQHDYRLGLQJWKHVHQVLQJGLVWRUWLRQDQG
WKDWWKHMRLQWLVSURSHUO\LQVXODWHGWRDYRLGDQ\HOHFWULFDOIDLO-
XUH
NOTE
:KHQ ¿WWLQJ WKH WKHUPLVWRUV UHPHPEHU WKDW WKH\ PXVW EH
VHFXUHGFRUUHFWO\E\WKHVSHFLDOFODPSHQVXULQJWKHSHUIHFW
FRQWDFWEHWZHHQWKHSLSHDQGWKHUPLVWRU&RYHULWFRPSOHWHO\
ZLWKLQVXODWLRQOLNHFRUNWDSHRUSLSHLQVXODWLRQGHSHQGLQJ
RQ WKH ORFDWLRQ 5HSODFH WKHP LI GDPDJHG GXULQJ PDLQWH-
QDQFHZRUN
Thermistor installation example
/LTXLGJDVSLSHWKHUPLVWRUIDFWRU\
VXSSOLHG
1
2
3
4
 7KHUPLVWRUKROGHU¿HOGVXSSOLHG
 7KHUPLVWRUOHDGZLUH¿HOGVXSSOLHG
 ,QVXODWLRQ¿HOGVXSSOLHG
CAUTION
7KHWKHUPLVWRUPXVWEHLQVWDOOHGSURSHUO\LQRUGHUWRDYRLG
ZDWHURQWRWKHWKHUPLVWRU
Typical installation location
$/LTXLGSLSH
WKHUPLVWRU
0XVWEHLQVWDOOHG
LQWKHFROGHVWOLTXLG
OLQHSRLQWLQWKH
KHDWH[FKDQJHU
SULRUWKHGLVWULEX-
WRU
B*DVSLSH
WKHUPLVWRU
0XVWEHLQVWDOOHG
DVFORVHDV
SRVVLEOHWRWKH
KHDWH[FKDQJHU
UHIULJHUDQWRXWOHW
Air thermistor
7ZRDLUWKHUPLVWRUVDUHVXSSOLHGLQVLGHWKHFRQWUROER[7KHSXU-
SRVHDQGLGHQWL¿FDWLRQRIHDFKRQHLVDVIROORZ
Item
PCB socket /
Thermistor
connector color
PCB socket
number
Thermistor
length (mm)
,QOHWDLUWKHUPLVWRU %OXH 7+0 
2XWOHWDLUWKHUPLVWRU 5HG 7+0 
CAUTION
,Q FDVH WKDW WKH WKHUPLVWRUV VXSSOLHG ZLWK WKH '[,QWHUIDFH
DUH QRW ORQJ HQRXJK SOHDVH PDNH VXUH WKDW WKH OHQJWK H[-
WHQVLRQLVSURSHUO\GRQHDYRLGLQJWKHVHQVLQJGLVWRUWLRQDQG
WKDWWKHMRLQWLVSURSHUO\LQVXODWHGWRDYRLGDQ\HOHFWULFDOIDLO-
XUH
NOTE
:KHQ¿WWLQJWKHDLUWKHUPLVWRUUHPHPEHUWKDWWKH\PXVWEH
VHFXUHFRUUHFWO\LQDQDGHTXDWHSODFHWRDYRLGH[WHUQDOLQÀX-
HQFHVOLNHDPELHQWFRQGLWLRQVDQGZKHUH WKH DLU WHPSHUD-
WXUHLVVLJQL¿FDQW
Cable clamp example
 7LH)LHOGVXSSOLHG
 &DEOHFODPS)LHOGVXSSOLHG
 7KHUPLVWRUVXSSOLHG
CAUTION
7KHWKHUPLVWRUPXVWEHLQVWDOOHGSURSHUO\LQRUGHUWRDYRLG
ZDWHURQWRWKHWKHUPLVWRU
Typical installation
 7KHUPLVWRU
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8QLWLQVWDOODWLRQ
ENGLI

8.2 REFRIGERANT PIPE CONNECTIONS
7KH';,QWHUIDFHXQLWLVVHWXSWREHFRQQHFWHGE\)ODUH1XWIDF-
WRU\VXSSOLHG3HUIRUPWKHLQGLFDWHGSLSHZRUNE\PDLQWDLQLQJWKH
GLPHQVLRQVLQGLFDWHGLQWKHIROORZLQJWDEOHV
Size of pipes
XQLWVPPLQFK
Nominal
Diameters
Outer
diameters
Flare pipe
dimensions
AØ+0/-0.4
Minimum
thickness
R410A
Flare nut
dimen-
sions B
Tightening
Torque
Nm
     
     
NOTE
)ODUHQXWVWLJKWHQLQJWRUTXH
$OZD\VXVH WZR ZUHQFKHVRU ¿[ VSDQQHUVZKHQ WLJKWHQLQJ
WKHÀDUHQXWVRQWKHUHIULJHUDQWSLSHV
,IDQ\IDLOXUHRFFXUVGXULQJWKLVSURFHVVWKHUHVXOWFRXOGEH
SLSHGDPDJHRUUHIULJHUDQWOHDN
$IWHUFRQQHFWLQJWKHUHIULJHUDQWSLSLQJVHDOWKHRSHQVSDFHEH-
WZHHQWKHNQRFNRXWKROHDQGUHIULJHUDQWSLSHVE\XVLQJLQVXODWLRQ
PDWHULDODVVKRZQEHORZ
$,QVXODWLRQ
A
%)LHOGVXSSOLHGUHIULJHUDWLRQ
SLSLQJ
8 REFRIGERANT PIPING
8.1 GENERAL NOTES BEFORE PERFORMING PIPE WORK
1 3UHSDUHORFDOO\VXSSOLHGFRSSHUSLSHV
2 6HOHFWWKHSLSLQJVL]HZLWKWKHFRUUHFWWKLFNQHVVDQGFRUUHFWPD-
WHULDODEOHWRZLWKVWDQGVXI¿FLHQWSUHVVXUH

3 6HOHFWFOHDQFRSSHUSLSHV0DNHVXUHWKDWWKHUHLVQRGXVWRU
PRLVWXUH LQVLGH WKH SLSHV %ORZ WKH LQVLGH RI WKH SLSHV ZLWK
R[\JHQIUHHQLWURJHQWRUHPRYHDQ\GXVWDQGIRUHLJQPDWHULDOV
EHIRUHFRQQHFWLQJWKHP
NOTE
$ V\VWHP ZLWK QR PRLVWXUH RU RLO FRQWDPLQDWLRQ ZLOO JLYH
PD[LPXPSHUIRUPDQFH DQG OLIHF\FOHFRPSDUHG WR WKDWRI D
SRRUO\SUHSDUHGV\VWHP7DNHSDUWLFXODUFDUHWRHQVXUHWKDW
DOOFRSSHUSLSLQJLVFOHDQDQGGU\LQWHUQDOO\
DANGER
7KHV\VWHPGHVLJQSUHVVXUHLV03D7KHFRPSUHVVLRQ
VWUHQJWK RI WKH SLSHV PXVW H[FHHG  03D  WLPHV WKH
GHVLJQSUHVVXUH
CAUTION
&DSWKHHQGRIWKHSLSHZKHQSLSHLVWREHLQVHUWHGWKURXJK
DZDOOKROH
'RQRWSXWSLSHVRQWKHJURXQGGLUHFWO\ZLWKRXWDFDSRUYLQ\O
WDSHDWWKHHQGRIWKHSLSH
,ISLSLQJLQVWDOODWLRQLVQRWFRPSOHWHGXQWLOQH[WGD\RURYHUDORQ-
JHUSHULRGRIWLPHEUD]HRIIWKHHQGVRIWKHSLSLQJDQGFKDUJH
ZLWKR[\JHQIUHHQLWURJHQWKURXJKD6FKUDGHUYDOYHW\SHDFFHVV
¿WWLQJWRSUHYHQWPRLVWXUHDQGSDUWLFOHFRQWDPLQDWLRQ
'RQRWXVHLQVXODWLRQPDWHULDOWKDWFRQWDLQV1+DVLWFDQGDP-
DJHFRSSHUSLSHPDWHULDODQGEHFRPHDVRXUFHRIIXWXUHOHDNDJH
&RPSOHWHO\LQVXODWHERWKUHIULJHUDQWJDVSLSLQJDQGOLTXLGSLSLQJ
EHWZHHQWKHLQGRRUXQLWDQGWKHRXWGRRUXQLW
,IQRWLQVXODWHGLQFRROLQJPRGHDQGKLJKDPELHQWKXPLGLW\FRQGL-
WLRQVGHZZLOODSSHDURQWKHSLSLQJVXUIDFH
5HIULJHUDQWFLUFXLWDQG:DWHUFLUFXLWPXVWEHSHUIRUPHG DQGLQ-
VSHFWHGE\DOLFHQVHGWHFKQLFLDQDQGPXVWFRPSO\ZLWKDOOUHO-
HYDQW(XURSHDQDQGQDWLRQDOUHJXODWLRQV

 300/$UHY
5HIULJHUDQWSLSLQJ

8.3 BRAZING WORK
CAUTION
8VHQLWURJHQJDVIRUEORZLQJGXULQJSLSHEUD]LQJ,IR[\JHQ
DFHW\OHQHRUÀXRURFDUERQJDVLVXVHGLWZLOOFDXVHDQH[SOR-
VLRQRUSRLVRQRXVJDV
$UXVWFRDWLQJZLOODSSHDULQVLGHRIWXEHVLIQRQLWURJHQJDV
EORZLQJLVSHUIRUPHGGXULQJEUD]LQJZRUN7KLV¿OPZLOOEH
ÀHFNHGRIIDIWHURSHUDWLRQDQGZLOOFLUFXODWHLQWKHFLUFXLWUH-
VXOWLQJLQFORJJHGH[SDQVLRQYDOYHVHWFDQGWKHFRPSUHV-
VRUZLOOEHDIIHFWHG
8VHDUHGXFHUYDOYHZKHQQLWURJHQJDVEORZLQJLVSHUIRUPHG
GXULQJEUD]LQJ7KHJDVSUHVVXUHVKRXOGEHPDLQWDLQHGZLWK-
LQWR0SD,IH[FHVVLYHO\KLJKSUHVVXUHLVDSSOLHGWR
DSLSHLWZLOOFDXVHDQH[SORVLRQ
8.4 REFRIGERANT CHARGE
DANGER
'R QRW FKDUJH 2;<*(1 $&(7</(1( RU RWKHU ÀDPPDEOH
DQGSRLVRQRXVJDVHVLQWRWKHUHIULJHUDQWFLUFXLWDVDQH[SOR-
VLRQFRXOGRFFXU,WLVUHFRPPHQGHGWKDWR[\JHQIUHHQLWUR-
JHQEHFKDUJHGIRUWKHVHW\SHVRIWHVWF\FOHVZKHQSHUIRUP-
LQJDOHDNDJHWHVWRUDQDLUWLJKWWHVW7KHVHW\SHVRIJDVHVDUH
H[WUHPHO\GDQJHURXV
,QVXODWHWKH XQLRQV DQGÀDUHQXWVDWWKHSLSLQJFRQQHFWLRQ
SDUWFRPSOHWHO\
,QVXODWH WKH OLTXLG SLSLQJ FRPSOHWHO\ WR DYRLG D GHFUHDVHG
SHUIRUPDQFHLIQRWLWZLOOFDXVHVZHDWLQJRQWKHVXUIDFHRI
WKHSLSH
&KDUJH UHIULJHUDQW FRUUHFWO\ 2YHUFKDUJLQJ RU LQVXI¿FLHQW
FKDUJLQJFRXOGFDXVHDFRPSUHVVRUIDLOXUH
&KHFNIRUUHIULJHUDQWOHDNDJHLQGHWDLO,IDODUJHUHIULJHUDQW
OHDNDJHRFFXUUHGLWZRXOGFDXVHGLI¿FXOW\ZLWKEUHDWKLQJRU
KDUPIXOJDVHVZRXOGRFFXULID¿UHZHUHLQWKHURRP
,IWKHÀDUHQXWLVWLJKWHQHGWRRKDUGLWPD\FUDFNRYHUWLPH
DQGFDXVHUHIULJHUDQWOHDNDJH
NOTE
3OHDVHUHIHUWR2XWGRRUXQLW,QVWDOODWLRQ0DQXDODQG7HFKQL-
FDO&DWDORJXHIRUWKHFDOFXODWLQJPHWKRGRIDGGLWLRQDOUHIULJ-
HUDQWFKDUJHDFFRUGLQJWKHSLSLQJOHQJWK

300/$UHY
5HIULJHUDQWSLSLQJ
ENGLI

9.2.1 Control box terminal board
DX-Interface EXV-(2.0-6.0)E DX-Interface EXV-(8.0/10.0)E
 &RQQHFWWKHHOHFWULFDO ZLUHV EHWZHHQ WKH LQGRRUXQLWDQGWKH
RXWGRRUXQLWDVVKRZQLQWKHQH[WGLDJUDP
 )ROORZ WKH ORFDO FRGHV DQG UHJXODWLRQV ZKHQ SHUIRUPLQJ WKH
HOHFWULFDOZLULQJ
 8VHVKLHOGHGZLUHVIRULQWHUPHGLDWHZLULQJWRSURWHFWWKHXQLWV
IURP QRLVH REVWDFOH DW OHQJWK RI OHVV WKDQ P DQG VL]H LQ
FRPSOLDQFHZLWKORFDOFRGHV
 ,QWKHHYHQWWKDWDFRQGXLWWXEHIRU¿HOGZLULQJLVQRWXVHG¿[
UXEEHUEXVKHVWRWKHSDQHOZLWKDGKHVLYH
 $OOWKH¿HOGZLULQJDQGHTXLSPHQWPXVWFRPSO\ZLWKORFDODQG
LQWHUQDWLRQDOFRGHV
 :KHQDFDEOHJODQGLVQRWXVHGLWPXVWEHVHDOHGSURSHUO\LQ
RUGHUWRHQVXUHWKHFRUUHFWFRQWUROER[VHDOLQJ
CAUTION
3D\DWWHQWLRQWRWKHFRQQHFWLRQRIWKHRSHUDWLQJOLQH,QFRU-
UHFWFRQQHFWLRQPD\FDXVH3&%IDLOXUH
NOTE
3DFNLQJJODQG GLDPHWHUVSHFL¿FDWLRQPPPLQWR 
PP PD[ ,I QHHGHG LQVWDOO DGGLWLRQDO WXEH LQVXODWLRQ RU
ZLQGZLWKLQVXODWLRQWDSHDURXQGWKHZLUHWRPDNHWKH ZLUH
WKLFNHU
9.2 ELECTRICAL WIRING BETWEEN DX-INTERFACE AND INDOOR AND OUTDOOR UNIT
1 (QVXUH WKDW WKH ¿HOGVXSSOLHG HOHFWULFDO FRPSRQHQWV PDLQV
SRZHUVZLWFKHVFLUFXLW EUHDNHUVZLUHVFRQQHFWRUVDQGZLUH
WHUPLQDOVKDYHEHHQSURSHUO\VHOHFWHGDFFRUGLQJWRWKHHOHF-
WULFDOGDWDLQGLFDWHG0DNHVXUHWKDWWKH\FRPSO\ZLWKQDWLRQDO
DQGUHJLRQDOHOHFWULFDOFRGHV
2 &KHFNWRHQVXUHWKDWWKHSRZHUVXSSO\YROWDJHLVZLWKLQ
RIWKHUDWHGYROWDJH
3 &KHFNWRHQVXUHWKDWWKHSRZHUVXSSO\KDVDQLPSHGDQFHORZ
HQRXJKWRJXDUDQWHHWKDWWKHVWDUWLQJYROWDJHLVDWOHDVW
RIWKHUDWHGYROWDJH
4 &KHFNWRHQVXUHWKDWWKHJURXQGZLUHLVFRQQHFWHG
5 &RQQHFWDIXVHRIVSHFL¿HGFDSDFLW\
DANGER
&KHFN WR HQVXUH WKDW VFUHZV IRU WHUPLQDO EORFN DUH WLJKWO\
IDVWHQHG
CAUTION
3URWHFWWKHZLUHVGUDLQSLSHDQGHOHFWULFDOSDUWVIURPUDWV
RURWKHUVPDOODQLPDOV,IQRWSURWHFWHGUDWVPD\GDPDJH
XQSURWHFWHG SDUWV DQG LQ WKH ZRUVW FDVH VFHQDULR D ¿UH
FRXOGEUHDNRXW
:UDSWKHDFFHVVRU\SDFNLQJDURXQGWKHZLUHVDQGSOXJWKH
ZLULQJFRQQHFWLRQKROHZLWKWKHVHDOLQJPDWHULDOWRSURWHFW
WKHSURGXFWIURPDQ\FRQGHQVHGZDWHUDQGLQVHFWV
7LJKWO\VHFXUHWKHZLUHVZLWKWKHFRUGFODPSLQVLGHWKHLQ-
GRRUXQLW
/HDGWKHZLUHVWKURXJKWKHNQRFNRXWKROHLQWKHVLGHFRYHU
ZKHQXVLQJFRQGXLW
(OHFWULFDOZLULQJPXVWFRPSO\ZLWKQDWLRQDODQGORFDOFRGHV
&KHFNWKDWWKHJURXQGZLUHLVVHFXUHO\FRQQHFWHG
DANGER
'RQRWFRQQHFWRUDGMXVWDQ\ZLULQJRUFRQQHFWLRQVXQOHVV
WKHPDLQSRZHUVZLWFKLV2))
&KHFN WKDW WKH HDUWK ZLUH LV VHFXUHO\ FRQQHFWHG WDJJHG
DQGORFNHGLQDFFRUGDQFHZLWKQDWLRQDODQGORFDOFRGHV
NOTE
3OHDVHUHIHUWR2XWGRRUDQG$+8RUHTXLYDOHQWLQGRRUXQLW
LQVWDOODWLRQPDQXDO
CAUTION
$OOWKH¿HOGZLULQJDQGHOHFWULFDOFRPSRQHQWVPXVWFRPSO\
ZLWKORFDOFRGHV
9 ELECTRICAL WIRING
9.1 GENERAL CHECK

 300/$UHY
(OHFWULFDOZLULQJ

DX-Interface EXV-(2.0-6.0)E
RC setting C5-00
(Factory setting) C5-01 C5-02
+LJK 0 + L
0HGLXP L0L
/RZ SL L SL
DX-Interface EXV-(8.0/10.0)E
RC setting C5-00
(Factory setting) C5-01 C5-02
+LJK 0 + L
0HGLXP L0L
/RZ SL L SL
9.2.2 Expansion valve box terminal board
DX-Interface EXV-(2.0-6.0)E / DX-Interface EXV-(8.0/10.0)E
9.2.3 Terminal board connection and remarks
Item Description :LUH6SHFL¿FDWLRQ(1

Fan Control (Optional: Fan speeds control by Hitachi Remote controller) 
 &&RPPRQ++LJK00HGLXP//RZ6/6ORZ
 (;9(9RXWSXWVLJQDO0D[LPXPFXUUHQWDOORZHG$
 (;9()UHHFRQWDFW0D[LPXPFXUUHQWDOORZHG$
 6HH³)DQWDSVHWWLQJ´FKDSWHUIRUIDQWDSVHWWLQJ
(;9([PPð
(;9([PPð

Expansion Valve connection (Necessary).
 /LQNWRH[SDQVLRQYDOYHDVV\1XPEHUOLQNVIURPWRPXVWPDWFKLQHER[WHUPL-
QDOERDUGDQGH[SDQVLRQYDOYHWHUPLQDOERDUG
[PP

Output Signals (Optional)
 'LIIHUHQWRXWSXWVLJQDOVXVHIXOWRHPEHGWKHNLWLQWRDV\VWHP
 5HIHUWR+LWDFKLLQGRRUXQLW6HUYLFH0DQXDOIRUIXUWKHULQIRUPDWLRQDERXWRXWSXWVLJQDOVVHW-
WLQJDQGVSHFL¿FDWLRQV
[PP

Input Signals (Optional)
 'LIIHUHQWLQSXWVLJQDOVXVHIXOWRHPEHGWKHNLWLQWRDV\VWHP
 5HIHUWR+LWDFKLLQGRRUXQLW6HUYLFH0DQXDOIRUIXUWKHULQIRUPDWLRQDERXWLQSXWVLJQDOVVHWWLQJ
DQGVSHFL¿FDWLRQV
[PP

Power supply (Necessary)
 6LQJOHSKDVHVXSSO\LQJ5HIHUWR+LWDFKLLQGRRUXQLWVWHFKQLFDOFDWDORJXHIRUIXUWKHULQIRUPD-
WLRQDERXWWKHFRQQHFWLRQPRGHVDOORZHG
a9+]
3RZHUVXSSO\FDEOHVHFWLRQ[PP

Alarm signal (Optional)
 ,QSXW VLJQDO XVHG IRU DODUP OLQN EHWZHHQ WKH ';,QWHUIDFH DQG WKH XQLW FRQQHFWHG ,I WKH
MXPSHULVRSHQEHWZHHQSLQVDQGLQ$/WHUPLQDOWKH';,QWHUIDFHERDUGGHWHFWVLWDV
DQDEQRUPDOOLW\DQGVWRSVWKHV\VWHP$ODUPFRGHLVVKRZHGRQWKHUHPRWHFRQWUROOHU
&RQQHFWDJDLQSLQVDQGWRUHVWDUWWKHV\VWHP
[PP

Control Signal (Necessary)
 5HPRWHFRQWUROOHUPXVWEHFRQQHFWHGEHWZHHQSLQV$DQG%ZLWKRXWSRODULW\
 &RPPXQLFDWLRQ OLQN ZLWK WKH RXWGRRU XQLW LV GRQH YLD SLQV  DQG
5HIHUWR+LWDFKLLQGRRUXQLWV7HFKQLFDO&DWDORJXHRU2XWGRRUXQLW6HUYLFH0DQXDOIRUIXUWKHU
LQIRUPDWLRQDERXWWKHFRQ¿JXUDWLRQVDOORZHG
7ZLVWHGSDLUVKLHOGHGFDEOH[PP
9.2.4 Fan tap setting
,IWKHIDQPRWRULVGURYHE\WKHIDQFRQWUROFRQQHFWLRQSRUWLWHPLWLVQHFHVVDU\WRFRQQHFWDOZD\V6/IDQWDS7KLVVSHHGLVXVHG
LQVRPHVSHFLDOZRUNLQJPRGHVDVFRXOGEHGXULQJGHIURVWLQJWLPH,ILWLVQRWFRQQHFWHGWKHLQGRRUXQLWIDQPRWRUFRXOGEHVWRSSHG
ZKDWHYHUWKHIDQFRQ¿JXUDWLRQZDV
3OHDVHUHIHUWR+,7$&+,,QGRRUDQG&RQWUROOHUV7HFKQLFDO&DWDORJXHDQG6HUYLFH0DQXDOIRUIDQWDSVHWWLQJWKURXJKWKHUHPRWHFRQ-
WURO

 300/$UHY
(OHFWULFDOZLULQJ
ENGLI

9.3.2 Settings
DSW3: capacity code setting
1RVHWWLQJLVUHTXLUHG7KLV',3VZLWFKLVXVHGWRVHWWKHFDSDFLW\
FRGHFRUUHVSRQGLQJWRWKH';,QWHUIDFHSRZHU+36HWWLQJVSRVL-
WLRQEHIRUHVKLSPHQWLV
HP 2.0 2.5 3.0 4.0
6HWWLQJ
SRVLWLRQ
HP 5.0 6.0 8.0 10.0
6HWWLQJ
SRVLWLRQ
DSW4: Unit Model Code Setting
1RVHWWLQJLVUHTXLUHG6HWWLQJVSRVLWLRQEHIRUHVKLSPHQWLV
(9;(
(9;(
DSW5 and RSW2: Refrigerant Cycle No. Setting
6HWWLQJLVUHTXLUHG7KLVVZLWFKLVXVHGWRVHWWKHUHIULJHUDQWF\FOH
QXPEHU
Setting position
(DSW5)
Setting position
(RSW2)
7HQVVHWWLQJ
VHFRQGGLJLW
8QLWVHWWLQJ
¿UVWGLJLW
([DPSOHIRU
QXPEHU 
DSW6 and RSW1: Unit no. setting
6HW'6:DQG56:WRPRGLI\WKHLQGRRUXQLWDGGUHVV7KHVHW-
WLQJPXVWEHPDGHVRWKDWLWGRHVQRWRYHUODSWKHVHWWLQJRIRWKHU
LQGRRUXQLWVLQWKHVDPHUHIULJHUDQWF\FOH,IWKHVHWWLQJLVQRWPDGH
PDQXDOO\WKHDXWRPDWLFDGGUHVVIXQFWLRQZLOOEHHQDEOH
Factory-set to a value of up to 63.
DSW6 RSW1
Example of setting for unit no. 16
DSW6 RSW1
DSW7 switch: Fuse recovery and remote control selection
1RVHWWLQJVDUHUHTXLUHG$OOVZLWFKHVDUHIDFWRU\VHWWR2))
3&$57UHPRWHFRQWUROVHOHFWLRQ
,IKLJKYROWDJHLVDSSOLHGWR36WHUPLQDO/DQG1WKHIXVHRQ
3&%0LVGHDFWLYDWHG6KRXOGWKLVRFFXUFRUUHFWWKH7%ZLULQJ
DQGDFWLYHFRQWDFW
DSW8: (Not used)
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NOTE
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9.3.1 Quantity and location of Dip Switches
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DX-Interface EXV-(2.0-6.0)E DX-Interface EXV-(8.0/10.0)E
CAUTION
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9.3 DIP SWITCH SETTINGS
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