Rev. G 10-2021
15
30°C
50°C
50°C
12°C
12°C
35°C
55°C
55°C
7°C
7°C
A
B
B
A
A
MTEC.4005.GB-G-1 Operation and maintenance manual LHA series English
LHA P4U/P4S
+LJKHI¿FLHQF\DLUWRZDWHUKHDWSXPSV
369HUVLRQ
8VHUZDWHUKHDWLQJ
8VHUZDWHUFRROLQJ
'RPHVWLFKRWZDWHU
SURGXFWLRQ'+:
8VHUZDWHUFRROLQJ
'+:SURGXFWLRQ
7KHDERYHVFKHPHLVIRULOOXVWUDWLYHSXUSRVHVRQO\)RUWKHFRUUHFWSLSHVSODFHPHQWSOHDVHUHIHUWRWKHXQLWVWHFKQLFDOPDQXDO
7KHRSHUDWLQJPRGHVDUH
1. User water heating:
7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUKHDWSXPSLQKHDWLQJPRGHXVLQJWKH¿QQHGKHDWH[FKDQJHUDVWKHVRXUFH
DQGWKH$SODWHKHDWH[FKDQJHUDVXVHU
2. User water cooling:
7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUFKLOOHULQFRROLQJPRGHXVLQJWKH¿QQHGKHDWH[FKDQJHUDVWKHVRXUFH
DQGWKH$SODWHKHDWH[FKDQJHUDVXVHU
3. Domestic hot water production (D.H.W.):
7KHXQLWEHKDYHVOLNHDQRUPDODLUZDWHUKHDWSXPSLQKHDWLQJPRGHXVLQJWKH¿QQHGKHDW
H[FKDQJHUDVWKHVRXUFHDQGDVDXVHUWKHSODWHKHDWH[FKDQJHU%DVSHFLDO'+:KHDWH[FKDQJHUWKDWZRUNVZLWKDKLJKHUVHWSRLQW
4. User water c D.H.W. production:
7KHXQLWEHKDYHVOLNHDZDWHUZDWHUKHDWSXPSXVLQJWKHSODWHKHDWH[FKDQJHU$DVWKH
FROGXVHUDQGWKHSODWHKHDWH[FKDQJHU%DV'+:SURGXFWLRQ
3.3 Accessories description
3.3.1 Condensate discharge drip tray with antifreeze heater (BRCA)
,QVWDOOHGXQGHUWKH¿QQHGKHDWH[FKDQJHUWKLVLVXVHGWRFROOHFWWKHFRQGHQVDWHJHQHUDWHGGXULQJWKHKHDWLQJPRGHRSHUDWLRQ,WLV¿WWHG
ZLWKWUDFHKHDWLQJWRSUHYHQWLFHIRUPDWLRQLQORZDPELHQWFRQGLWLRQV7KLVDFFHVVRU\PD\RQO\EHIDFWRU\¿WWHG
3.3.2 Antifreeze kit (RAEV2, RAEV4)
7KLVNLWXVHGRQXQLWV¿WWHGZLWKDK\GUDXOLFNLWFRPSULVHVD³VHOIKHDWLQJ´HOHFWULFFDEOHWKDWLVZUDSSHGDURXQGWKHXVHUDQGGRPHVWLFKRW
ZDWHUH[FKDQJHU38QLWVRQO\WKHZDWHUFLUFXLWSLSHZRUN7KLVGHYLFHLVFRQWUROOHGE\WKHPLFURSURFHVVRU
3.3.3 Rubber vibration dampers (KAVG)
7REHLQVWDOOHGEHQHDWKWKHXQLWEDVHDQGWKHJURXQGWRDYRLGWKHWUDQVPLVVLRQRIYLEUDWLRQVDQGWKHQRLVHWRWKHEXLOGLQJ
3.3.4 RS485 serial interface card modbus protocol (INSE)
7KLVFRQWUROOHUFDUGHQDEOHVWKHFRQWUROOHUWRFRPPXQLFDWHZLWKRWKHUGHYLFHVRQD%06XVLQJ0RGEXVSURWRFRO
+LJKHIÀFLHQF\(&D[LDOIDQV9(&(
+LJKHI¿FLHQF\(&D[LDOIDQVVXSSOLHGZLWK%UXVKOHVV'&HOHFWULFPRWRUVHOHFWURQLFDOO\FRPPXWDWHG(&PRWRUVDEOHWRJUDQWVWKHKLJK
-
HVWHQHUJ\HI¿FLHQF\FODVV())DFFRUGLQJWRWKHODWHVW(8VSHFL¿FDWLRQVZLWKWKHUHVXOWRIVXEVWDQWLDOHQHUJ\FRQVXPSWLRQUHGXFWLRQ
IRUYHQWLODWLRQDQGQRLVHUHGXFWLRQWKDQNVWRWKHQHZXOWUDHI¿FLHQWEODGHSUR¿OLQJ7KHIDQVDUHVWDWLFDOO\DQGG\QDPLFDOO\EDODQFHGDQG
VXSSOLHGFRPSOHWHZLWKDVDIHW\IDQJXDUGFRPSO\LQJZLWKWKHUHTXLUHPHQWVRI(17KHIDQVDUHLQVWDOOHGXVLQJDVSHFLDOVWHHOSUR¿OHG
EHDPZKRPLQLPL]HDOOYLEUDWLRQVDQGQRLVHHPLWWHG7KHQRPLQDOURWDWLRQVSHHGLVUSP$OOXQLWVDUH¿WWHGZLWKDSUHVVXUHWUDQVGXFHU
IRUWKHFRQWURORIWKHHYDSRUDWLRQFRQGHQVDWLRQSUHVVXUH$OOHOHFWULFPRWRUVDUH7KHPRWRUVDUH¿WWHGZLWKLQWHJUDWHGWKHUPDORYHUORDG
SURWHFWLRQUDWLQJ,3