8
R e a d t he fl ow r at e f ro m t he up pe r e d ge o f t he
fl o at
8
Air separator
WARNIN G !
Sc al d da ng e r !
During ve nti ng, t he ai r
dis charge d can re ach
te mpe rat ure s of more t h a n
212 °F / 10 0° C .
I n o r d e r t o a v o i d s c a l d i n g , pay
attention to the system temperatures!
7 F l o w m e t e r
T he f l o w me t e r me a s ur e s a nd i n di c a t e s t he fl o w
r at e wit h a range of 0. 25 ... 3.5 gpm / 1 . .. 13 l/ mi n.
For the de v i ce t o f u n c t i o n f a u l t l e s s l y, t he s ys t e m
m u s t be fl us he d an d fre e of gri t
.
The ai r se parator is used for ve nti ng t he water /
gl ycol mi xt ure i n t he s ol ar ci rcui t . T he ai r
s e parat e d from t he heat trans fer fluid gat hers in the
air s coop and can be di s cha r ge d manu al l y at t he ai r
ve nt val ve.
O p e n
t h e a i r ve nt v al v e a n d c o l l e c t t he
di s c h a r ge d fl ui d i n a s ui t abl e cont ai ne r.
C h e c k
t he s ys t e m p re s s u re af t e r bl e e di n g a nd , i f
ne ces s ary, incre ase it t o t he spe ci fie d ope rati ng
pre ss ure.
9
Maintenance
I n t he cas e of mai nt e n an ce ( s uch as a re pl a ce me nt
of t he pu mp) pr o ce e d as f ol l o ws :
C l o s e
t h e b a l l v a l v e ( 1 0 ) .
T u r n
t h e s l o t o f t h e f l o w m e t e r s p i n d l e b y
9 0 ° ant i - cl oc k wi s e ( s e e fi gure be l o w) .
T he he at t r a ns fe r fl ui d c an n o w be dr ai ne d f ro m
t he pump.
O p e n
t h e d r a i n v a l v e ( 6 ) .
I f ne ce s s a r y, ope n t he u ni o n n ut at t he p re s s ure
s i de .
N o w
d i s m o u n t t h e p u m p .
10 Safety devices
The pump st ati on i s e qui ppe d wit h a di aphragm
s afe t y v a l v e w h i c h c o r r e s p o n d s t o t h e r e l e v a n t
d i r e c t i v e s and re gul at i ons . F or i ns t al l at i on and
ope rat i on, pl e ase pa y at t e nt i o n t o t he fol l o wi n g
ad vi ce :
The safety valve has to be easil y accessible. The
effi cie ncy of t he val ve must not be infl ue nce d or
di s abl e d by barri e rs !
T he s t r ai ne r o r ot he r re s t ri ct i o n de vi ce s mu s t
no t be m ou nt e d be t we e n col l e ct o r ( -fi e l d) an d
s a fe t y valve !
T he d i a me t e r o f t he d i s c h a r ge p i p e m us t
c o r r e spond t o t he di amete r of t he val ve outle t;
the maxi mum l e n gt h mu s t not e xce e d 6. 6 ft / 2
m; more t h an 2 be nds are i nadmis si ble. Whe n
these val ue s are e xcee ded, you have to i nst all a
dis charge pi pe wi th l a r ge r di me ns i on s . D o n ot
us e mo re t h a n 3 be nds a nd p i pe s l o n ge r t h a n
13 . 1 ft / 4 m !
If t he dis char ge pi pe le ads i nt o a drai n pi pe wit h
a funne l , t he di ame te r of t he drai n pi pe has t o
be at least t wice as large as the valve inlet. The
openi ng of t he di s char ge pi pe mus t be i ncli ne d
downw ards . I t mus t be rout e d s uch t h at t he
ope ni n g c an be s e e n but doe s not p re s e nt an y
ri s k t o a pe r s o n s t an di n g or pas sing by.
We re comme nd pl aci n g a cont ai ne r be l ow t he
di s char ge pi pe . I f t he s afe t y val ve ope ns , t he
fl ui d wi l l be c ol l e c t e d a nd c an be r e f i l l e d i nt o
t he s ys t e m w he n t he p re s s u re i s t o o l o w .
Содержание FlowSol B
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