Tuxhorn tubra eTherm T, Assembly And Operating Instructions Manual

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951.20 .0 2.0 0
Stan d 01 /20 19 - 10 -
5.3 .2 Circ ulation pump
The ci rcul ating pu mp is alr eady pre -w ired to the di ffe ren tial con trol ler The c ontr oller is
equi pped w ith an elec tri cal con nect ion cab le o f 2. 5m w ith sa fe ty pl ug. The instr ucti ons fo r t he
contr oller mus t be ob serv ed.
5.3 .3 Cont rolle r
a) Fronius
The el ectrical con trol is carr ied ou t v ia an external en erg y m ana ge men t sy stem .
The Froni us O hm pilot can be used fo r t his purpo se. Tech nical da ta a s w ell as the
fun ction alit y o f t he Froni us Oh mpi lot can be v ie wed un der the fol low ing link:
http :// ww w.f ron ius.co m/d e-de /g erm any /sol ar-en erg y/produ kte/al le -p rod uk te/lö sung en/f ron ius -
wärm elösu ng/f ron ius -oh mpi lot/ fron ius -oh mpi lot (corr ect as of May 20 18)
Func tion al desc ript ion w ith F ronius O hmpi lot :
At the in fee d po int, the F ron ius Sma rt Meter m easures the cur ren t ou tpu t an d tran sfe rs the
data to the da ta man ag er. T he da ta man ger ad ju sts the av ailab le ex cess energ y t o zero by
contr olling the O hm pilot. S peci fical ly , t his is do ne by m eans o f con tinu ous contr ol o f t he
tub ra® - eT herm T heati ng ci rcui t con nec ted to th e Oh mpi lot.
Thi s m eans tha t t he ex cess ener gy is conti nuou sly con sumed by the he ating el ement
instal led in t he tub ra ®
–
eT herm T . D epen din g o n the ex cess power, the ind ivi dual ph ases
are sw itche d on o r o ff and t he r em aini ng po wer at L1 is consumed .
tub ra®
–
eT herm he ats t he w ater i n a pi pe sy stem by ci rcul ation , t he w ater alrea dy f low s
into the bo iler at the tar get tempe ratu re. T hus , an ide al t urbulen ce-f ree s trati ficatio n is
achiev ed. Wa te r w ith a usab le t em pera ture is the re fore av ailab le e ven at lo w en ergy lev els.
Furt her detai ls can be fo und in the da ta she et for the tub ra®
–
eT herm .
If no t emperatu re sensor is instal led , an e xternal sou rce (e. g. g as boiler) m ust prov ide the
mini mum te mpe ra ture .
As an al te rna tiv e, the O hm pilot can al so ensure th e mini mu m t empera ture or prov ide the
tempe ratu re to p rev ent Leg ion ella fo rm ati on i n th e buff er st ora ge. T o do thi s, a te mpe ra ture
sens or m ust be con nec ted so tha t t he O hmpilot c an m easu re the te mpe ra ture . T his can
resu lt in a grid con nec tion .