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标题: DSH 109/06 Endurance and thermal tests on apliances for purifying water usig an [打印本页]
作者: 小米    时间: 2012-9-14 14:03
标题: DSH 109/06 Endurance and thermal tests on apliances for purifying water usig an
DSH 109/06+ V9 l8 `: f. T1 J, G

- f) N# b4 K1 ^- H& |, g  g( ~		Endurance and thermal tests on apliances for purifying water usig an UV lamp' D% V8 \+ G- c7 N
11-19 / 12
' @4 {' T4 G4 W. t$ W! o& x" G/ r0 e( |		60335-1(ed.3) & 60335-1(ed.4) & 60598-1(ed.5) & EN 60335-1:1994 & EN 60335-1:2002 & EN 60598-1:2000
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Standard: IEC 60335-1/1991
$ N6 d. j1 j5 t# A) y" ?IEC 60335-1/20018 S) M) w) {4 H/ n8 [4 x
EN 60335-1/1994' f9 z5 @, M8 M& A
EN 60335-1/2002
+ g% s2 ]) f& G  g& nIEC 60598-1/19999 v; K# F, V* O2 h! y
EN 60598-1/20007 J! u7 X8 s8 F
Sub clause: 11 - 19 12
/ `3 j7 z3 e+ v/ JSheet N°: 109/06
' J4 H% z% Z: L3 g% p$ OSubject: Endurance and thermal tests on appliances for purifying water using an UV lamp- J, h: ^6 ], h1 z8 l
Key words:
, h( D  T4 n: [5 g- Thermal tests* ^$ n6 e' P' m. v/ I9 q2 ~1 R/ E
- Abnormal conditions
8 N3 B! p8 \" H1 E% c& u# l' L- Temperature of water flowing
4 u; V# g4 O6 D! I6 jMeeting: Decision confirmed at CTL 41st meeting8 {0 N( H5 I- C
Question: The appliance for purifying water is equipped with an UV lamp (with its
& Z, f. n- G  }5 q; g- j# l, i" }% F" m. Uaccessories). The unit can be used with or without a constant water flowing (in# {# ?  m3 u9 Q7 |3 w
accordance with the manual instructions). What should be the temperature of
4 r% n# y/ z# }. d2 C% uthe water during the thermal tests?: w: D* G9 @1 C+ Y7 V
Decision: The applicable standard is IEC/EN 60335-1. The thermal tests have to be* ], `7 _; P7 I5 G4 o
carried out according to clause 11 (heating) and clause 19 (abnormal& b2 W+ ^1 t* f8 k/ E3 |2 \, ]
conditions) of IEC/EN 60335-1. If according to the manual instructions the
" R* a/ w. v+ A9 O! Y! h6 mappliance can be used without water flowing, we have to consider this situation" i2 o+ X! R1 v5 z
as worst case: all tests have to be performed without water flowing. At the
  X6 O, ~  Z0 J2 Vbeginning of the tests, the water shall be at room temperature (25°C). If the
" v+ ^7 F% Y; {6 sappliance is provided for use with water flowing only, the heating test (clause
1 N* A6 R& B5 M: z# H6 i11) shall be started with water at room temperature (25°C) but flowing. For the0 U; a+ ?! S3 H
abnormal conditions test (clause 19), the water flowing has to be stopped+ v' V0 T" B" W
unless there is a monitoring circuit to switch off the appliance in case of water
) `* K! {1 l2 f* L0 a5 @3 Rflow interruption. At the beginning of the test the water shall be at room6 [: K" A) \5 Z, o$ Q/ B3 e) `
temperature (25°C).- m6 Q" @0 h6 Q" m

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