Rev. A 12-2018
13
MTEC.ERAH.GB-A-1 Operation and maintenance manual ERAH MC HT Ka series English
RAH MC HT Ka
Water chiller - high ambient temperature operation
3.1.7 Refrigerant circuit
&RROLQJFLUFXLWPDGHXSRIHOHFWURQLFWKHUPRVWDWLFH[SDQVLRQYDOYHVLJKWJODVVKLJKSUHVVXUHVDIHW\GHYLFHDQWLIUHH]HSURWHFWLRQRQ
HYDSRUDWRUKLJKDQGORZSUHVVXUHVZLWFKHVQRQUHWXUQYDOYHLQEXLOWRQFRPSUHVVRUVGLVFKDUJHVLGHGHK\GUDWLQJ¿OWHUZLWKUHSODFHDEOH
FDUWULGJHVVKXWRIIYDOYHRQOLTXLGOLQH(DFKFRPSUHVVRURSHUDWHVRQDQLQGHSHQGHQWFLUFXLWJUDQWLQJLQWKLVZD\DFRQVLGHUDEOHUHOLDELOLW\
7KHVHFRPSRQHQWVDUHFRQQHFWHGLQDFORVHGFLUFXLWE\FRSSHUSLSHVDQG¿WWLQJV7KHSHUPDQHQWMRLQWVEHWZHHQWKHYDULRXVFRPSRQHQWV
DUHPDGHE\EUD]LQJRUZHOGLQJDFFRUGLQJWRSURFHVVHVDQGE\TXDOL¿HGRSHUDWRUV
3.1.8 Electrical cabinet
7KHHOHFWULFDOFDELQHWRIWKHXQLWLVUHDOL]HGLQFRPSOLDQFHZLWKFXUUHQW(XURSHDQ6WDQGDUGVLQVLGHDPHWDOFRPSDUWPHQWZLWKSURWHFWLRQ
GHJUHH,3VXLWDEOHIRUH[WHUQDOLQVWDOODWLRQDQGVHSDUDWHGIURPDLUÀRZ
7KHPDLQIHDWXUHVDUH
7KUHHSKDVHSRZHUVXSSO\9SK+]RQDOOWKHPRGHOVLIQRWGLIIHUHQWO\UHTXLUHG
/RZYROWDJHDX[LOLDU\FLUFXLW9DFZLWKLQVXODWLRQWUDQVIRUPHU
$X[LOLDU\FLUFXLW9ZLWKLVRODWLRQWUDQVIRUPHU
&RPSUHVVRUVDUHSURWHFWHGE\IXVHVDQGWKHUPDOQRGXOH.ULZDQ
0HFKDQLFDOORFNGRRUPDLQVZLWFK
7HUPLQDOER[IRUVLJQDODQGPDQDJHPHQWIUHHFRQWDFWV
7KHRSHQLQJSDQHORIWKHDPHOHFWULFDOFDELQHWLVHTXLSSHGZLWKPDLQVZLWFK,QVLGHWKHFRPSDUWPHQWWKHIROORZLQJPDLQFRPSRQHQWVDUH
DOVRLQVWDOOHG
&RQWDFWRUV
$XWRPDWLFRYHUORDGSURWHFWLRQVZLWFKHV
7UDQVIRUPHUV
1XPEHUHGZLUHV
/RZYROWDJHDX[LOLDU\FLUFXLW
7HUPLQDOV
0DQDJHPHQWDQGFRQWUROHOHFWURQLFFDUGV
$OOWKHXQLWDUHVXEMHFWWRDVDIHW\F\FOHZLWKFRQWLQXLW\WHVWVRIWKHSURWHFWLRQFLUFXLWLQVXODWLRQUHVLVWDQFHDQGWHQVLRQWHVWGLHOHFWULF
VWUHQJWK7KHXQLWPDQDJHPHQWLVUHDOL]HGE\WKHPDQDJHPHQWSURJUDPXSORDGHGLQWKHHOHFWURQLFPLFURSURFHVVRU
7KHPLFURSURFHVVRULVPDGHXSRI
$PDQDJHPHQWFRQWUROERDUGZLWKFODPSVIRUWKHWUDQVPLVVLRQRIWKHZRUNLQJSDUDPHWHUVDQGWKHDFWLYDWLRQRIFRQWUROGHYLFHV
$XVHULQWHUIDFHERDUGZLWKSURJUDPPLQJEXWWRQVDQGJUDSKLFGLVSOD\WRVKRZZRUNLQJVWDWXVDQGDODUPV
7KHFRQWUROERDUGPDQDJHVDOOWKHGHYLFHVLQVWDOOHGLQWKHXQLWRQWKHYDOXHVRIWKHRSHUDWLRQYDULDEOHVUHDOL]LQJLQWHUDOLDWKHIROORZLQJ
PDLQIXQFWLRQV
8QLW212))IURPERDUGRUIURPUHPRWHSRVLWLRQ
0DQDJHPHQWDQGVWRUDJHRIDOHUWDQGDODUPVWDWHV
2SHUDWLQJVWDWXVRIWKHFRPSUHVVRUV
7KHXVHULQWHUIDFHGLVSOD\RIWKHPLFURSURFHVVRUDOORZVLQWHUDOLDWRVHHWKHIROORZLQJLQIRUPDWLRQ
6HWZRUNLQJSDUDPHWHUVYDOXHV
)XQFWLRQDOYDULDEOHYDOXHV
$QDORJXHDQGGLJLWDOLQSXWVDQGRXWSXWVVWDWXV
8QLWRSHUDWLRQVWDWXV
$OHUWDQGDODUPLQGLFDWLRQV
3RVVLELOLW\WRLQWHUIDFH%06PDQDJHPHQWV\VWHPV
3.1.9 Microprocessor
(OHFWURQLF0LFURSURFHVVRUIRUXQLWPDQDJHPHQWLQVWDOOHGLQVLGHWKHHOHFWULFDOFDELQHWZLWKGRXEOHHYDSRUDWRULQRXWFRQWURORIWKHFKLOOHG
ZDWHUWHPSHUDWXUHDVZHOODVFRQWURORIZRUNLQJSDUDPHWHUVDQGHTXDOL]DWLRQRIFRPSUHVVRUVZRUNLQJKRXUVIDLOXUHVDXWRGHWHFWLRQV\
-
VWHPDODUPORJVWDUWDQGVHWSRLQWWLPHVORWSURJUDPPLQJSRVVLELOLW\RIUHPRWHPDQDJHPHQWDQGVXSHUYLVLRQE\HQDEOLQJVWDQGDUGFRPPX
-
QLFDWLRQSURWRFROVPDQDJHPHQWFRPSOHWHZLWKFRPSUHVVRUVKRXUFRXQWHU
