bui lt-i n fa n, it i s r equi red to keep th e PV in vert er w ell ven tila ted on both th e fr ont
and rea r sid es, avoid it bei ng o verl oade d or ope rate d in an exce ssiv ely high
amb ient te mper atur e o ver a long period of time, as well as en sure th at ther e i s a t
lea st a 15c m gap al l arou nd the P V inve rter.
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PROFESSIONAL INNOVATIV E BRAND ING SERVICE
4. A mbie nt Par amet ers:
Ope rati ng temp erat ure: - 2 0℃ t o 40℃ with a load rat io decr ease d b y 3 % f or
eve ry 1℃ dro p in the t empe ratu re.
Rel ativ e humi dity : ≤ 95 % wit h no con dens atio n.
5. In stal lati on Too ls:
P e r c u s s i o n d r i l l / h a m m e r / a d j u s t a b l e w r e n c h / s m a l l s l o t - h e a d
scr ewdr iver /gra nd cro ss scr ewdr iver /str ippi ng pli ers/ mult imet er.
Smart HF Series Single-phase PV Off-grid Inverter--Installation and Wiring
Warning
In order t o e nsur e the pers onal saf ety a nd the nor mal work of in vert er, pl ease
str ictl y carr y out th e item s desc ribe d as fol lows :
1. All the inpu t an d ou tput end s of in vert er n eed to b e in stal led with an AC /DC
cir cuit brea ker at eac h end . T he tabl e b elow show s t he reco mmen ded sel ecti on
cri teri a of cir cuit b reak er:
AC Input End
AC Output End
PV Input End
Battery Input End
Voltage Specification C urrent Specification
300Vac <Vac
300Vac <Vac
150Vdc<Vdc
100Vdc<Vdc
25A<I<32A
25A<I<32A
50A<I
100A<I
2. Pay atte ntio n t o t he surf ace of inv erte r a s i t i s l ikel y t hat the tem pera ture
rem ain high after th e po wer supp ly o f in vert er i s be ing swit ched off for a p erio d of
tim e.
3. I f main tena nce for i nver ter is req uire d, ple ase c onta ct t he aut hori zed
sys tem in stal lati on & mai nten ance p erso nnel i n your l ocal a rea.
4. The PV arr ay o f inverter has a D C vo ltag e o f up to 95V and AC v olta ge of u p
to 2 60V. I t is prohi bite d to touch a cha rged te rmin al dire ctly, a nd please use a
ult imet er to meas ure the AC vol tage befo re inst alla tion or mai nten ance so as to
ens ure th at all t he AC/DC s ides a re not b eing c harg ed.
Installation Location
Ins tall atio n of PV in vert er should take into a ccou nt the s elf- weig ht of th e
i n v e r t e r , a n d a v o i d a p r o l o n g u s e o f t h e i n v e r t e r i n a h o t a n d h u m i d
env iron ment .The PV inve rter sho uld be i nsta lled ind oors (wi th an I P20 prot ecti on
cla ss) an d at a loc atio n out of r each o f chil dren t o avoi d pote ntia l dang er.
Installation Procedure
1. Ra ck-m ount ed inv erte r inst alla tion s teps :
ins tall atio n: inve rter (1 un it), ra ck hand le comp onen ts (2 u nits ), and 6 mm M3
scr ews (6 p cs).
eac h side o f the pa nel se cure ly loc ked wi th 3 x M3 sc rews .
ins t a l l e d o n a s t a n d a r d c o m m u n i c a t i o n c a b i n e t i n a c c o r d a n c e w i t h t h e
req uire ment s set for th for the ca bine t. A lter nati vely, the inve rter can als o be
ins tall ed o n a hori zont al p latf orm with t hat all the pred escr ibed i mpor tant
ins truc tion s and po siti on req uire ment s are fu lfil led.
Fig ure 4. 1 belo w:
Description of Cable Connection:
acc ordi ng to m arki ng the liv e a nd neut ral wir es o f m ains el ectr icit y, r espe ctiv ely,
on the 1 st and t he 2nd po siti ons fr om the l eft. T he gro und wi re is con nect ed to th e
ind epen dent grou ndin g scr ew in the lowe r rig ht co rner. The 3rd, 4th a nd 5t h
pos itio ns a re c onne cted with t he AC out put grou nd, live and neut ral wire s,
res pect ivel y. It is sugg este d t o us e a standard 4m m² or 10AWG wir e an d t hat the
wir e ends u sing f or con nect ion ar e stri pped o ff 5mm - 8mm.
acc ordi ng to ma rkin g the pa rall ely co nnec ted so lar pa nel' s tota l outp ut wir es