Emerson Fluid Chiller - 3.3 Overview of Operation; 3.4 Transformer; 3.5 Low Pressure Switch Adjustment; 3.6 Temperature Adjustment

2SHUDWLRQýýýýýýýýýýìì
êïê 2YHUYLHZýRIý2SHUDWLRQ
,I#WKHUH#LV#DQ#LQFUHDVH#LQ#OHDYLQJ#IOXLG#WHPSHUDWXUH#EH\RQG#WKH#VHWSRLQW/#WKH#WKHUPRVWDW#ZLOO#HQHU0
JL]H#WKH#OLTXLG#OLQH#VROHQRLG#YDOYH#DQG#WKH#GLVFKDUJH#E\SDVV#VROHQRLG#YDOYH1#5HIULJHUDQW#ZLOO#IORZ#
WKURXJK#WKH#HYDSRUDWRU#WR#WKH#FRPSUHVVRU1#7KH#FRPSUHVVRU#LV#DFWLYDWHG#ZKHQ#WKH#ORZ#SUHVVXUH#
VZLWFK#VHQVHV#VXIILFLHQW#SUHVVXUH#+VHH#êïè ðý/RZý3UHVVXUHý6ZLWFKý$GMXVWPHQW,1
:KHQ#FKLOOHG#IOXLG#WHPSHUDWXUH#GURSV#EHORZ#WKH#WKHUPRVWDW#GLIIHUHQWLDO#VHWWLQJ#+W\SLFDOO\#6ƒ)/#
41:ƒ&,/#WKH#OLTXLG#OLQH#VROHQRLG#YDOYH#LV#GHHQHUJL]HG#DQG#WKH#FRPSUHVVRU#SXPSV#GRZQ1#
&RQGHQVHU#IDQ#PRWRU#RSHUDWLRQ#LV#UHJXODWHG#E\#WKH#FRPSUHVVRU#RSHUDWLRQ1#7KH\#RSHUDWH#VLPXOWD0
QHRXVO\1
7KH#DLU#FRROHG#FRQGHQVLQJ#VHFWLRQ#XVHV#D#SURSHOOHU#IDQ1#,W#DOVR#LQFOXGHV#D#/HH²7HPS#IORRG#EDFN#
KHDG#SUHVVXUH#FRQWURO/#ZKLFK#LQFOXGHV#D#UHFHLYHU#DQG#D#KHDG#SUHVVXUH#FRQWURO#YDOYH1#7KLV#FRQWURO#
V\VWHP#IORRGV#WKH#FRQGHQVHU#FRLO#ZLWK#UHIULJHUDQW#WKDW#LV#ZDUPHG#LQ#WKH#UHFHLYHU#WR#PDLQWDLQ#KHDG#
SUHVVXUH#GXULQJ#ORZ#DPELHQW#WHPSHUDWXUH#RSHUDWLRQ1
êïé 7UDQVIRUPHU
7UDQVIRUPHU#LV#OLQH#YROWDJH#SULPDU\#ZLWK#57#YROW#:8#9$ #VHFRQGDU\1#7KLV#WUDQVIRUPHU#LV#XVHG#WR#
RSHUDWH#YDULRXV#UHOD\V#DQG#FRQWDFWV#LQ#WKH#FRQWURO#FLUFXLW1
&LUFXLWý%UHDNHU
7KH#FRQWURO#YROWDJH#FLUFXLW#LV#SURWHFWHG#E\#D#PDQXDO#UHVHW#615#$PS#FLUFXLW#EUHDNHU1#&LUFXLW#EUHDNHU#
LV#PRXQWHG#WR#D#EUDFNHW#RQ#WKH#WUDQVIRUPHU1
5HVHWý%XWWRQ
,I#WKH#UHVHW#EXWWRQ#LV#LQ#WKH#H[WHQGHG#SRVLWLRQ/#HOLPLQDWH#DOO#SRVVLEOH#VKRUWV#LQ#WKDW#FLUFXLW#WKHQ#
GHSUHVV#WKH#UHVHW#EXWWRQ1
êïè /RZý3UHVVXUHý6ZLWFKý$GMXVWPHQW
7KH#ORZ#SUHVVXUH#VZLWFK#LV#ORFDWHG#XQGHU#WKH#FKLOOHU#FRQWURO#ER[1#7KH#´FXW#RXWµ#LV#WKH#SRLQW#DW#
ZKLFK#WKH#VZLWFK#ZLOO#FORVH 1#7KH#´FXW#LQµ#LV#WKH#SRLQW#DW#ZKLFK#WKH#VZLWFK#ZLOO#RSHQ1#6HH#EHORZ#IRU#
VHWWLQJV#UHTXLUHG #IRU#IOXLG#DW#\RXU#LQVWDOODWLRQ1#7KH#IDFWRU\#VHWWLQJV#DUH#IRU#ZDWHU1
êïç 7HPSHUDWXUHý$GMXVWPHQW
7KH#WHPSHUDWXUH#FRQWURO#+WKHUPRVWDW,#LV#ORFDWHG#XQGHU#WKH#FKLOOHU#FRQWURO#ER[1#7KH#VHWSRLQW#LV#WKH#
SRLQW#DW#ZKLFK#WKH#VZLWFK#ZLOO#FORVH1#7KH#GLIIHUHQWLDO#LV#WKH#WHPSHUDWXUH#GURS#UHTXLUH G#WR#RSHQ#WKH#
VZLWFK1
êïæ +LJKý3UHVVXUHý6ZLWFK
$OO#PRGHOV#DUH#HTXLSSHG#ZLWK#D#QRQ0DGMXVWDEOH#KLJK#SUHVVXUH#VZLWFK1#7KLV#PDQXDO#UHVHW#VZLWFK#
VHWV#WKH#PD[LPXP#GLVFKDUJH#SUHVVXUH#RI#WKH#FRPSUHVVRU1#,I#WKH#SUHVVXUH#ULVHV#WR#WKH#VHWSRLQW#RI#
693#36,/#WKH#VZLWFK#ZLOO#VKXW#RII#WKH#FRPSUHVVRU1
)OXLG &XWý2XW &XWý,Q
:DWHU èêý36, çèý36,
éíøý*O\FRO éíý36, èíý36,
èíøý*O\FRO êíý36, éíý36,
)DFWRU\ý6HWSRLQW èëƒ)
$OORZDEOHý5DQJH éíƒýWRýæíƒ)
'LIIHUHQWLDO êƒ)