Rev. C 05-2021
46
93
2N1
U8
N8
191
193
192
1
2
50
49
90
91
92
78
2N1
93
2N1
49
61
48
78
190
191
192
61
79
MTEC.7100.GB-C-1 Operation and maintenance manual LHi series English
LHi P2U/P2S/P4U/P4S
+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSV
DOMESTIC HOT WATER CIRCUIT PUMP
0D[LPXPLQSXWFXUUHQW$,QVWDQGDUGFRQ¿JXUDWLRQWKHPLFURSURFHVVRUFRQWURORIWKHXQLW
VZLWFKHVRIIWKHXVHUZDWHUSXPSZKHQWKHVHWSRLQWKDVUHDFKHGRULIWKHXQLWLVLQVWDQGE\
7KLVVWUDWHJ\SURYLGHVDVXEVWDQWLDOUHGXFWLRQRIHQHUJ\XVH
3 WAY ON/OFF VALVE(Only required on 2 pipes systems versions); Not required on /P4
versions)
7KHZD\YDOYHLVXVHGZLWKSLSHV\VWHPVWRSURGXFHGRPHVWLFKRWZDWHUWKHYDOYHLVDFWL
-
YDWHGE\WKH'RPHVWLFKRWZDWHUVHQVRU%76DQGGLYHUWVWKHKRWZDWHUHLWKHUWRWKHGRPHVWLF
KRWZDWHUF\OLQGHURUWRWKHXVHUFLUFXLW
REMOTE ON / OFF
7RVZLWFKWKHXQLWRQRURIIUHPRWHO\WKHFDEOHMXPSHUFRQQHFWHGDFURVVWHUPLQDOVDQGPXVW
EHUHSODFHGZLWKDVZLWFK
&RQWDFWFORVHGXQLW21
&RQWDFWRSHQXQLW2))
4.22.3 Remote wiring connections (optional)
REMOTE SUMMER / WINTER CHANGE OVER
7RUHPRWHO\VZLWFKWKHXQLWIURPKHDWLQJWRFRROLQJWKHFDEOHMXPSHUFRQQHFWHGDFURVVWHUPL
-
QDOVPXVWEHUHSODFHGZLWKDVZLWFK
&RQWDFWFORVHGXQLWLQ:LQWHUPRGH
&RQWDFWRSHQXQLW6XPPHUPRGH
REMOTE GENERAL ALARM
)RUUHPRWHGLVSOD\RIDJHQHUDODODUPFRQQHFWWKHYLVXDORUDXGLEOHGHYLFHEHWZHHQWHUPLQDOV
90-91-92.
&RQWDFWV1&1RUPDOO\FORVHG
&RQWDFWV121RUPDOO\RSHQHG
USER CIRCUIT ELECTRIC INTEGRATION HEATERS
,IXVHUFLUFXLWLQWHJUDWLRQKHDWHUVDUHUHTXLUHGWKHFRLORIWKHFRQWDFWRUWKDWLVXVHGWRVZLWFK
WKHPPXVWEHFRQQHFWHGDFURVVWHUPLQDOV
DOMESTIC HOT WATER ELECTRIC INTEGRATION HEATERS
,IGRPHVWLFKRWZDWHUFLUFXLWLQWHJUDWLRQKHDWHUVDUHUHTXLUHG
(78-2N1)
MOD. 532 - 1252
(79-2N1)
MOD. 1534 - 2554
7KHQXPEHULQJRIWKHWHUPLQDOVPD\FKDQJHZLWKRXWQRWLFH)RUWKHLUFRQQHFWLRQLVPDQGDWRU\WRUHIHUWRWKHZLULQJ
GLDJUDPVXSSOLHGDORQJZLWKWKHXQLW