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BS EN60335-1:2002 cl15.1
: K$ `, M \7 g2 ?" FFor IPX4 appliances, the horizontal centre line of the appliance is aligned with the pivot axis
( i+ F: _3 n' g/ w6 W. S$ tof the oscillating tube. However, for appliances normally used on the floor or table, the
$ V6 I ?$ k8 R& X- ~# vmovement is limited to two times 90° from the vertical for a period of 5 min, the support being
5 W0 }3 V1 A7 ~0 W9 K7 _% bplaced at the level of the pivot axis of the oscillating tube./ V" D1 D$ ~2 W& e. f. t
If the instructions for wall-mounted appliances state that the appliance is to be placed close to: t0 X8 `; w2 t- b v
the floor level and specifies a distance, a board is placed under the appliance at that* I, I* z/ u, m8 H( L
distance. The dimensions of the board are 15 cm more than the horizontal projection of the6 A1 q$ J0 B0 J9 y$ f( X
appliance.
8 m1 ?! B: l* I! i0 O) s! H qAppliances normally fixed to a ceiling are mounted underneath a horizontal unperforated6 e& ]* V$ b8 B3 s7 [& b
support that is constructed to prevent water spraying onto its top surface. The pivot axis of the
! h- q2 h# M6 I8 d# ?$ `* joscillating tube is located at the same level as the underside of the support and aligned
2 \8 v. a! X& {* S2 w3 I2 \4 h) dcentrally with the appliance. The spray is directed upwards.
% P9 }# `! |$ i b' V! w4 i+ zFor IPX4 appliances, the movement of the tube is limited to two times 90º from the vertical for
8 e% W0 N o$ b' \a period of 5 min. `) B. r1 g3 K% M6 I/ ~
标准写的很清楚角度应该是左右各90度。那个正负180是指的一个周期 |
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