Hitachi H100C, Technical Notes

Page: 45 / 55

41
6. H AN DLIN G MAINTE N AN CE AN D IN SP E CTION
6-1 STORAGE AND CON VE YAN CE
St a rt er , cont a ct or a n d t h erm a l over loa d r ela y sh ou ld be st or ed or ca r r ied u n der t h e followin g con dit ions.
Ta ble 29.
Con ditions Rem a rks
Am bient Upper lim it : 70
℃
t em pera t u re
Lower lim it : -30
℃
Lim it ed by a ch a n ge in t h e ch ar a ct er istic
du e t o bendin g of bim eta l of t h er ma l
over load r ela y, det er ior a t ion of P VC
wire, a nd t h e lik e.
H um idit y Upper lim it : 85%
Lower lim it : 45%
If t he devices a r e left for a lon g t im e
a t a pla ce wh ere t h e h u midit y is h igh ,
t h e in sula t ion m a y be det er ior at ed
wh en t hey ar e u sed.
At m ospher e
･
A condition wher e t he
devices a r e fr ee fr om
a bn orm a l vibr at ion or
sh ock .
･
A con dit ion wh er e t h e
devices a r e n ot spla shed
wit h wat er, oil, et c.
･
A con dit ion fr ee of
cor r osive gas, com bust ible
ga s, dus t, va por , sa lt ,
et c.
U se specia l car e for t h e st or a ge aft er
u n pa ck in g.
Con veya n ce Car efu lly h a n dle an d ca r r y t h e
devices .
Th e devices a r e car efu lly pa ck ed;
h owever , if t h ey shou ld be dr opped
fr om a h igh pla ce, a pa rt of t h e case,
et c. m a y be dam a ged.
6-2 MAIN TE N AN CE AN D INSP E CTION
6-2-1 Inspect ion
In or der t o pr even t tr ou bles a n d m ain t a in t h e per for m a n ce of t h e st ar t er a nd con t a ct or, it is r ecom m en ded th a t
in it ia l a nd periodica l inspections ar e per for med. Most un expect ed t r ou bles ta ke pla ce at t h e st a rt of oper at ion, so
t h a t t h e in it ia l inspection is pa r t icu lar ly sign ifica n t.
(1) In it ia l in spect ion
It is r ecom m en ded t h a t t h e followin g it ems be inspect ed before a nd aft er , 3 t o 10 da ys after an d 3 m on t hs a ft er
oper at ion, r espectively. P eriodica l inspect ion s sh ou ld be car r ied ou t a ft er t he a bove in spect ions.