1 D* f8 v' N b- G+ DQuestion: 0 o6 Q2 g# t$ _What are the test conditions for appliances that are normally ceiling mounted ?: o1 X5 J* @; Q( f
Rationale:. a$ V9 q: r2 ^! U, y3 W: r$ N
See question. + [' O8 Z$ [6 Y. n8 ` [4 YDecision:! N! K; U* a; a; g
Ceiling mounted appliances are mounted in accordance with IEC 60335-1/1991, sub-clause) d; O( p' [+ d4 v9 F- r. [
15.1.2, as for appliances fixed to a wall. Ceiling mounted appliances are mounted in their+ t7 W6 Y7 q+ y2 `0 t, ~% H
operating position. The rear part shall be covered and sealed around the mounting plate.3 n, w, i6 w: C% c: s) M
The requirements for IPX4 are checked in accordance with IEC 60529, sub-clause 14.2.4.5 z* E* {- C( a& ?: p* X2 o
The requirements for IPX3 are checked in accordance with IEC 60529, sub-clause 14.2.3,1 z8 b( n3 h& G) h
but the oscillating tube is oscillated as for IPX4, detailed in IEC 60529, sub-clause 14.2.4. 7 S( a8 ?+ g$ T- O" f( T! RAlternatively, IPX3 and IPX4 requirements can be made using figure 5 of IEC 60529. , U6 h7 ~3 X7 w) B1 {: q; mIPX2 requirements are not applicable for ceiling mounted appliances. 6 t1 R+ s# B4 u' {$ u4 i# Q. I( t # A) `& _4 L3 e2 P- O4 K[attach]75802[/attach]# F, Z* x* d# Z$ @3 l8 e7 o: x6 `
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