Rev. G 10-2021
50
CH
FL
1
VR
BTI
BTO
UT
MC
IV
VR
NO
NC
VRV
YMS
YMC
BTS
SO
BTU
VR
VR
MC
SV
EXV 1
EXV 2
CHR
1
SFW
LR
M
M
MFA
MFC
DHW
BTI
MFA
BTO
MFC
BTS
SFW
BTU
SO
CH
SV
CHR
UT
DHW
VR
ECO
VRV
EXV
YEC
FL
YMC
IV
YMS
LR
MC
/6/6/6/6;/;/;/;/
MTEC.4005.GB-G-1 Operation and maintenance manual LHA series English
LHA P4U/P4S
+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSV
P4S Version
7KLVLVDIRXUSLSHYHUVLRQWKDWFDQSURGXFHKRWZDWHUIRUKHDWLQJFROGZDWHUIRUFRROLQJDQGGRPHVWLFKRWZDWHU
LQDOORSHUDWLRQDOPRGHVXVLQJDQLQGHSHQGHQWZDWHUFLUFXLW:KHQFRROLQJ'+:JHQHUDWLRQLVE\KHDWUHFRYHU\
7KLVXQLWLVQRUPDOO\XVHGZLWKWZRSLSHZDWHUEDVHGFKDQJHRYHUV\VWHPVZLWKWKH'+:FLUFXLWEHLQJVHSDUDWH
:KHQKHDWLQJLIGRPHVWLFKRWZDWHULVUHTXLUHGWKHZDWHUÀRZWRWKHKHDWLQJV\VWHPLVWHPSRUDULO\VWRSSHGDQG
DOORIWKHXQLWKHWLQJFDSDFLW\LVXVHGWRJHQHUDWHKRWZDWHU:KHQFRROLQJGRPHVWLFKRWZDWHUFDQEHSURGXFHG
DVZHOODVFROGZDWHUIRUWKHFRROLQJV\VWHPDQGLVDYDLODEOHHYHQZKHQWKHFRROLQJV\VWHPLVLQVWDQGE\RUKDV
UHDFKHGWKHVHWSRLQW7KHXQLWPLFURSURFHVVRULVSURJUDPPHGVXFKWKDWGRPHVWLFKRWZDWHUKDVSULRULW\
8VHUZDWHULQSXWSUREH
6RXUFHIDQ
8VHUZDWHURXWSXWSUREH
&HQWULIXJDOIDQ
6DQLWDU\ZDWHULQSXWSUREH
8VHUÀRZVZLWFK
6DQLWDU\ZDWHURXWSXWSUREH
6RXUFHVLGH
&KDUJLQJSOXJVDH
6KXWRIIYDOYH
([SDQVLRQFDSLOODU\WXEH
8VHUVLGH
6DQLWDU\ZDWHULQSXWSUREH
&KHFNYDOYH
(FRQRPL]HU
5HYHUVHF\FOHYDOYH
7HUPRVWDWLFYDOYH
%\SDVVVROHQRLGYDOYH
/LTXLGOLQH¿OWHU
(FRQRPL]HUVROHQRLGYDOYH
0RLVWXUHLQGLFDWRUVLJKWJODVV
&KLOOHUVROHQRLGYDOYH
/LTXLGUHFHLYHU
5HIULJHUDWLRQFRQQHFWLRQV
&RPSUHVVRU
+\GUDXOLFFRQQHFWLRQV
5HIULJHUDQWFLUFXLWOD\RXWYHUVLRQ36VLQJOHÀQQHGFRLO
0RGHOVLQDOOYHUVLRQVXVHWZRLQGHSHQGHQWUHIULJHUDQWFLUFXLWV
LGHQWLFDOWRWKHRQHVKRZQDERYH
4.25 Refrigerant circuit layout
7KHFRROLQJFLUFXLWSULQFLSOHGLDJUDPLVSXUHO\LQGLFDWLYH