Description And Function; Control Mode - salmson PRIUX home 40 Instalacion Y Puesta En Servicio

English

6 Description and function

6.1 The pump
7KH SXPS )LJ  FRQVLVWV RI D K\GUDXOLF V\VWHP D JODQGOHVV SXPS PRWRU ZLWK
D SHUPDQHQW PDJQHW URWRU DQG DQ HOHFWURQLF FRQWURO PRGXOH ZLWK DQ LQWHJUDWHG
IUHTXHQF\ FRQYHUWHU 7KH FRQWURO PRGXOH KDV D ZKLWH RSHUDWLQJ NQRE WRJHWKHU
ZLWK DQ /(' GLVSOD\ )LJ  IRU VHWWLQJ DOO SDUDPHWHUV DQG IRU GLVSOD\LQJ WKH FXUUHQW
SRZHU FRQVXPSWLRQ LQ :
6.2 Functions
$OO IXQFWLRQV FDQ EH VHW DFWLYDWHG RU GHDFWLYDWHG XVLQJ WKH ZKLWH RSHUDWLQJ NQRE
,Q RSHUDWLQJ PRGH WKH FXUUHQW SRZHU FRQVXPSWLRQ LQ : LV GLVSOD\HG
:KHQ WKH ZKLWH NQRE LV WXUQHG WKH /(' GLVSOD\ VKRZV WKH GHOLYHU\
head in m.

Control mode

9DULDEOH GLIIHUHQWLDO SUHVVXUH SY :
The differential-pressure setpoint H is increased linearly over the
SHUPLWWHG YROXPH IORZ UDQJH EHWZHHQ è+ DQG + )LJ D 
7KH GLIIHUHQWLDO SUHVVXUH JHQHUDWHG E\ WKH SXPS LV DGMXVWHG WR WKH
corresponding differential-pressure setpoint. This control mode is especially
XVHIXO LQ KHDWLQJ V\VWHPV ZLWK UDGLDWRUV VLQFH WKH IORZ QRLVHV DW WKH WKHUPRVWDWLF
valves are reduced.
&RQVWDQW GLIIHUHQWLDO SUHVVXUH SF :
The differential-pressure setpoint H is kept constant over the permitted
YROXPH IORZ UDQJH DW WKH VHW GLIIHUHQWLDOSUHVVXUH VHWSRLQW XS WR WKH
PD[LPXP SXPS FXUYH )LJ E 
Salmson recommends this control mode for underfloor-heating circuits or older
KHDWLQJ V\VWHPV ZLWK ODUJHVL]HG SLSHV DV ZHOO DV IRU DOO DSSOLFDWLRQV ZLWK QR
FKDQJHDEOH SLSH V\VWHP FXUYH HJ ERLOHU FKDUJH SXPSV
Bleeding function
7KH EOHHGLQJ IXQFWLRQ ODVWV  PLQXWHV DIWHU DFWLYDWLRQ $IWHU  PLQXWHV
WKH SXPS VWRSV DQG JRHV LQWR D ZDLW PRGH ZKLFK LV LQGLFDWHG E\ WKH
PLGGOH EDU RI WKH /(' GLVSOD\ IODVKLQJ.
$IWHU WKH EOHHGLQJ SURFHVV WKH GHVLUHG FRQWURO PRGH DQG WKH GHOLYHU\ KHDG RQ WKH
SXPS PXVW EH VHOHFWHG DQG VHW LQ RUGHU WR WKH SXW WKH SXPS LQWR RSHUDWLRQ
24