Resol FlowSol B, Installation, Operation, Commissioning, Maintenance

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6
After flushing the system
C o n n e c t t h e e x p a n s i o n v e s s e l t o t h e s o l a r
T h e r mal s ys t e m
C l o s e t h e d r a i n v a l v e ( 6 ) o f t h e p u m p
S t a t i o n whi l e t he fi l l i n g pu mp i s ru nni n g.
I n c r e a s e s y s t e m p r e s s u r e ( a p p r o x . 5 1 p s i /
3. 5 b ar) . T he s ys t e m p re s s u re c a n be re a d f r o m
t h e p re s s u re ga u ge .
C l o s e t h e f i l l v a l v e ( 3 ) .
S w i t c h o f f t h e f i l l i n g p u m p .
C h e c k t h e p r e s s u r e g a u g e t o s e e w h e t h e r t h e
s y s t e m p r e s s u r e r e d u c e s a n d e l i m i n a t e l e a k s
whe re ne ce s s ary.
S l o w l y d i s c h a r ge t h e h e a t t r a n s f e r f l u i d b y
M e a n s o f t he d rai n v al ve ( 6) unt i l t he o pe r at i n g
pre s s u re is set.
R e m o v e t h e h o s e s o f t h e f i l l i n g a n d f l u s h i n g
s t a t i o n a n d s c r e w t h e c a p s o n t o t h e f i l l a n d
d r a i n
v a l ve s . M an u al l y s t a r t t he s ol a r t he r m al
pu m p a t m a x i m u m s p e e d ( s e e c o n t r o l l e r m a n u a l )
a n d l e t t he fl ui d ci rcul at e for at l e as t 15 mi nut e s .
B l e e d t h e s o l a r t h e r m a l s y s t e m s e v e r a l t i m e s .
C h e c k t he s ys t e m p r e s s u re a t t he p re s s u re
ga u ge .
C h e c k t he a n t i f re e z e r a t i o n( n ot re q ui r e d i f a
re a d y m i x i s us e d)
Connect the pressure hose of the filling and flushing station to the fill valve
Connect the flushing hose of the filling and flushing station to
the drain valve