DSH 109/06 Endurance and thermal tests on apliances for purifying water usig an

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IEC60335试验指甲

DSH 109/06 7 ?9 K$ @& v% t# g8 E

Endurance and thermal tests on apliances for purifying water usig an UV lamp ! k, p' w! u) L( _

11-19 / 12

60335-1(ed.3) & 60335-1(ed.4) & 60598-1(ed.5) & EN 60335-1:1994 & EN 60335-1:2002 & EN 60598-1:2000 2 z- _( g6 o2 `" [4 f

: E2 r/ T  ^2 [; C7 L* N) JStandard: IEC 60335-1/1991
IEC 60335-1/2001
1 ~) x' O2 p  k0 }EN 60335-1/1994
6 U& @& `3 X: fEN 60335-1/2002
% I6 c! z5 ]1 o' nIEC 60598-1/1999
( E! y/ S: Z( I+ u, |EN 60598-1/2000
$ ^. ~6 A. p% i0 g* \- C4 VSub clause: 11 - 19 12
* Q1 e) I4 K0 ASheet N°: 109/06
1 ]( h2 `9 ^' j' E. {Subject: Endurance and thermal tests on appliances for purifying water using an UV lamp
Key words:
- Thermal tests
- Abnormal conditions
$ J8 C+ }8 e; }8 h6 [, ]3 U% Y- Temperature of water flowing
Meeting: Decision confirmed at CTL 41st meeting
% L* a( x/ T( O" BQuestion: The appliance for purifying water is equipped with an UV lamp (with its
6 z0 o- d# e0 caccessories). The unit can be used with or without a constant water flowing (in
* k0 Z/ a  c3 M# h  ]& c: l" paccordance with the manual instructions). What should be the temperature of
, d/ j# I' p/ M, bthe water during the thermal tests?
* u) i1 d' j, V: d1 ~0 VDecision: The applicable standard is IEC/EN 60335-1. The thermal tests have to be
! w& i' V+ y; |- ]- l: v* V1 ?carried out according to clause 11 (heating) and clause 19 (abnormal
: J$ P6 V0 p- E0 l& `conditions) of IEC/EN 60335-1. If according to the manual instructions the
3 Z* R" f: b: n: j& r0 B1 F1 j' Z0 h0 Oappliance can be used without water flowing, we have to consider this situation
as worst case: all tests have to be performed without water flowing. At the
; h/ ?# K) I% K3 [" u! N* obeginning of the tests, the water shall be at room temperature (25°C). If the
. T8 l3 Y! p! uappliance is provided for use with water flowing only, the heating test (clause
& S' [3 d- T+ ^& c) J7 p! R11) shall be started with water at room temperature (25°C) but flowing. For the
abnormal conditions test (clause 19), the water flowing has to be stopped
unless there is a monitoring circuit to switch off the appliance in case of water
flow interruption. At the beginning of the test the water shall be at room
$ n( y8 q8 W4 v* Z( h6 c9 ytemperature (25°C).

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