2.8 Connecting the heating
circuit
hydraulically
2.8.1 General
7KHFRQQHFWLRQPXVWFRPSO\ZLWKJRRGWUDGHSUDFWLFH
DFFRUGLQJWRORFDOEXLOGLQJUHJXODWLRQV
7KH KHDWLQJ FLUFXODWLQJ SXPS LV EXLOW LQWR WKH
K\GUDXOLFXQLW
&RQQHFW WKH FHQWUDO KHDWLQJ SLSHV WR WKH DSSOLDQFH
FRPSO\LQJZLWKWKHGLUHFWLRQRIFLUFXODWLRQ
7KHSLSHEHWZHHQWKHKHDWSXPSDQGWKHKHDWFROOHFWRU
PXVWEHDWOHDVWRQHLQFKLQGLDPHWHU[PP
&DOFXODWH WKH GLDPHWHU RI WKH SLSHV DFFRUGLQJ WR WKH
ÀRZUDWHVDQGWKHOHQJWKVRIWKHK\GUDXOLFV\VWHPV
7LJKWHQLQJWRUTXHWR1P
8VH XQLRQ FRQQHFWRUV WR IDFLOLWDWH UHPRYLQJ WKH
K\GUDXOLFXQLW
3UHIHUHQWLDOO\XVHFRQQHFWLRQKRVHVWRDYRLGWUDQVPLWWLQJ
QRLVHDQGYLEUDWLRQVWRWKHEXLOGLQJ
&RQQHFWWKHGUDLQVIURPWKHGUDLQYDOYHDQGWKHVDIHW\
YDOYHWRWKHPDLQVHZHUV\VWHP
9HULI\WKHFRUUHFWIXQFWLRQLQJRIWKHH[SDQVLRQV\VWHP
&RQWUROWKHYHVVHOSUHVVXUHSUHFKDUJHEDUDQGWKH
VDIHW\YDOYHVHWWLQJ
5HPLQGHU 6HDO HYHU\WKLQJ ZKHQ ¿WWLQJ LQ DFFRUGDQFH
ZLWKSUHYDLOLQJWUDGHSUDFWLFHIRUSOXPELQJZRUN
8VHVXLWDEOHVHDOV¿EUHVHDOVRULQJV
8VH7HÀRQWDSHRUKHPS
8VHVHDOLQJSDVWHV\QWKHWLFGHSHQGLQJRQWKHFDVH
7KHXVHRIJO\FROLVQRWQHFHVVDU\
,I\RXDUHXVLQJDJO\FROZDWHUPL[SURYLGHIRUDQDQQXDO
FKHFN RQ WKH TXDQWLW\ RI JO\FRO 8VH PRQRSURS\OHQH
JO\FRORQO\
Never use monoethylene glycol.
,QFHUWDLQLQVWDOODWLRQVWKHSUHVHQFHRIGLIIHUHQWPHWDOV
FDQ FDXVH FRUURVLRQ SUREOHPV WKH IRUPDWLRQ RI PHWDO
SDUWLFOHVDQGVOXGJHLQWKHK\GUDXOLFFLUFXLWLVWKHQVHHQ
,QWKLVFDVHLWLVDGYLVDEOHWRXVHDFRUURVLRQLQKLELWRULQ
WKHSURSRUWLRQVLQGLFDWHGE\LWVPDQXIDFWXUHU
,W LV DOVR QHFHVVDU\ WR HQVXUH WKDW WKH WUHDWHG ZDWHU
GRHVQRWEHFRPHDJJUHVVLYH
2.8.2 Rinsing out the installation
%HIRUHFRQQHFWLQJWKHK\GUDXOLFXQLWWRWKHLQVWDOODWLRQ
ULQVH RXW WKH KHDWLQJ V\VWHP FRUUHFWO\ WR HOLPLQDWH
DQ\ SDUWLFOHV WKDW PD\ DIIHFW WKH DSSOLDQFHV FRUUHFW
RSHUDWLRQ
'RQRWXVHVROYHQWVRUDURPDWLFK\GURFDUERQVSHWURO
SDUDI¿QHWF
,QWKHFDVHRIDQROGLQVWDOODWLRQSURYLGHDVXI¿FLHQWO\
ODUJHGHFDQWLQJSRWZLWKDGUDLQRQWKHUHWXUQIURPWKH
ERLOHUDQGDWWKHORZHVWSRLQWLQWKHV\VWHPLQRUGHUWR
FROOHFWDQGUHPRYHWKHLPSXULWLHV
$GGDQDONDOLQHSURGXFWWRWKHZDWHUDQGDGLVSHUVDQW
5LQVH WKH LQVWDOODWLRQ VHYHUDO WLPHV EHIRUH ¿OOLQJ LW
GH¿QLWLYHO\
2.8.3 Filling and purging the installation
&KHFNWKHSLSH¿[LQJVWKHWLJKWQHVVRIWKHFRQQHFWRUV
DQGWKHVWDELOLW\RIWKHDSSOLDQFH
&KHFNWKHGLUHFWLRQLQZKLFKWKHZDWHULVFLUFXODWLQJDQG
WKDWDOOWKHYDOYHVRSHQ
3URFHHGWR¿OOWKHLQVWDOODWLRQ
'RQRWRSHUDWHWKHFLUFXODWLQJSXPSZKLOH¿OOLQJ2SHQ
DOO WKH GUDLQ YDOYHV LQ WKH LQVWDOODWLRQ DQG WKH EOHHGHU
YDOYHIRUWKHK\GUDXOLFXQLWWRUHPRYHWKHDLUFRQWDLQHG
LQWKHFRQGXLWV
&ORVHWKHGUDLQDQGEOHHGHUYDOYHVDQGDGGZDWHUXQWLO
WKHSUHVVXUHLQWKHK\GUDXOLFFLUFXLWUHDFKHVEDUV
&KHFN WKDW WKH K\GUDXOLF FLUFXLW KDV EHHQ SXUJHG
FRUUHFWO\
&KHFNWKDWWKHUHDUHQROHDNVDQGWKDWWKHFLUFXODWLQJ
SXPSVDUHQRWVHL]HGLIQHHGEHUHOHDVHWKHP
$IWHU WKH 6WDUWXS VWDJH VHH
page 30
RQFH WKH
PDFKLQHKDVVWDUWHGSXUJHWKHK\GUDXOLFXQLWDJDLQ
"
3UHFLVH ¿OOLQJ SUHVVXUH LV GHWHUPLQHG E\ WKH
manometric height of the installation.
2.8.4 Connecting a fan-convectors circuit
,W PXVW EH LQVWDOOHG RQ WKLV FLUFXLW D EXIIHU WDQN
PLQLPXPFDSDFLW\OLWHUV
¿JXUH
hydraulic unit bleeder valve
P
,QVWDOODWLRQDQGRSHUDWLRQPDQXDO(1
+HDWSXPSVSOLWVLQJOHVHUYLFHDOIpD(YROXWLRQ