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 ; W* X, N0 U3 K+ d3 o0 |  s

Endurance and thermal tests on apliances for purifying water usig an UV lamp 9 ]2 ]8 A! R6 l) ?- ?; ~  r4 o0 |

11-19 / 12 8 I/ K; A' [- N3 O& w. Z

60335-1(ed.3) & 60335-1(ed.4) & 60598-1(ed.5) & EN 60335-1:1994 & EN 60335-1:2002 & EN 60598-1:2000

" K% g: Q4 f! @4 O* r. [. aStandard: IEC 60335-1/1991
( E) }' y% }" J$ z5 _( m+ v5 yIEC 60335-1/2001
3 p+ T& x% P/ X* u6 UEN 60335-1/1994
+ O1 W) S0 |: f4 `; AEN 60335-1/2002
, s- G+ ^% m6 nIEC 60598-1/1999
$ S. d4 Z$ B- ]2 c9 P- }EN 60598-1/2000
( z1 r+ l; W4 s3 _( F! qSub clause: 11 - 19 12
/ u( U4 i( t# k0 s2 TSheet N°: 109/06
Subject: Endurance and thermal tests on appliances for purifying water using an UV lamp
Key words:
8 |( N+ `- X$ H; K- Thermal tests
- Abnormal conditions
3 T# y$ Z* I$ W% ~; ~# X* V' y' k5 G2 p- Temperature of water flowing
Meeting: Decision confirmed at CTL 41st meeting
2 P8 f8 y% \2 i, Y. TQuestion: The appliance for purifying water is equipped with an UV lamp (with its
. ?% Y( g. t/ Baccessories). The unit can be used with or without a constant water flowing (in
  m5 _3 X, S1 K& J' G8 [' Eaccordance with the manual instructions). What should be the temperature of
+ t& t9 O% z: w# Dthe water during the thermal tests?
Decision: The applicable standard is IEC/EN 60335-1. The thermal tests have to be
carried out according to clause 11 (heating) and clause 19 (abnormal
conditions) of IEC/EN 60335-1. If according to the manual instructions the
appliance can be used without water flowing, we have to consider this situation
8 S% n4 V: v# ^" y; U$ L) Q; ]as worst case: all tests have to be performed without water flowing. At the
beginning of the tests, the water shall be at room temperature (25°C). If the
appliance is provided for use with water flowing only, the heating test (clause
11) 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
* @* R6 q7 m/ Z  pflow interruption. At the beginning of the test the water shall be at room
temperature (25°C).
  D8 X4 y* j( T& j9 Y0 B8 G" S( I