Samsung AM080FXWANR, Руководство по обслуживанию

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T e st Op e r a tion
Sa m s u n g El ec troni c s 2 91
9-1 Auto Trial Operation ( c ont . )
10) Electronic Expansion Valve – Main (Main EEV)
∙ W h a t to insp ec t : O u t d oor u nit ' s M a in EE V op e r a tion .
( a pp l i cab l e on ly w h e n p e r f or m in g A u to T ri a l Op e r a tion in h ea tin g m o de )
∙ E rror c o de : N on e (“ N G” is on ly in d i ca t ed in th e r e s u l t r e port )
∙ H o w to de t e r m in e e rror : Ch ec k th e v a ri a tions o f th e pr e ss u r e a n d th e c o m pr e ssor ' s d is c h a r ge t e m p e r a t u r e du rin g
op e r a tion o f th e M a in EE V.
∙ P e r f or m insp ec tion acc or d in g to th e st e ps sho w n be l o w .
Ŷ
P r ecau tions
- T o r e p l ace a c o m pon e nt or insp ec t th e P BA , be s u r e to cu t o ff th e po w e r s u pp ly f irst .
If insp ec tion m u st be p e r f or m ed w ith th e po w e r s u pp ly on , e x e r c is e e x tr a ca r e to pr e v e nt e l ec tri c sho c k .
T a k e c orr ec ti v e m ea s u r e s .
T a k e c orr ec ti v e m ea s u r e s .
T a k e c orr ec ti v e m ea s u r e s .
R e p l ace th e H ub P BA .
Do e s th e r e s u l t
o f A u to T ri a l Op e r a tion sho w th a t th e
in d oor u nit ' s th e r m istors a r e prop e r ly
fu n c tionin g ?
I s th e M a in EE V
c onn ec tor prop e r ly c onn ec t ed
to th e P BA ?
Ar e th e c onn ec tors
o f th e d is c h a r ge th e r m istor a n d Co m pr e ssor
T op th e r m istors prop e r ly c onn ec t ed
to th e P BA ?
I s th e c oi l
o f th e M a in EE V prop e r ly
fu n c tionin g ?*
I s th e o u tp u t
si g n a l o f th e M a in EE V t e r m in a l on th e H ub
P BA nor m a l?*
R e p l ace th e M a in EE V * .
P e r f or m A u to T ri a l Op e r a tion aga in .
R e p l ace th e c oi l .
N o
N o
N o
N o
N o
Y e s
Y e s
Y e s
Y e s
Y e s
Conn ec tion d i ag r a m
Op e r a tion v o l t age
( V DC )
P h a s e - to - ph a s e
r e sist a n ce (Ω)
W hit e
R ed
Or a n ge
Y e ll o w
Bro w n
B l ue
1 2 ± 2.0
R ed - W hit e
R ed - Or a n ge
Bro w n - Y e ll o w
Bro w n - B l ue
1 5 0 ± 1 5
* I t is possi b l e to insp ec t th e o u tp u t si g n a l, u sin g a s e p a r a t e E VI EE V a n d
th e v acuu m m o de.
* R e p l ace it i f th e N G is sti ll f o u n d af t e r a n add ition a l A u to T ri a l Op e r a tion .
* R e sist a n ce v a l ue o f th e M a in EE V c oi l ( r efe r e n ce t e m p : 20
ఁ
)
9-1-3 How to resolve NG items ( c ont . )