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 @6 J: j& j) m8 ? , x  I0 G/ O% }$ \* L- T, a! ]

Endurance and thermal tests on apliances for purifying water usig an UV lamp

11-19 / 12 , a* p, p! R, J0 j$ |

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 C# M+ M4 _" J+ q; _

# j5 }* u3 V8 u* ^Standard: IEC 60335-1/1991
7 g+ Z* V$ {" C/ N- hIEC 60335-1/2001
2 ]; P( h& [5 SEN 60335-1/1994
5 n8 h7 Z/ O$ [1 _7 }EN 60335-1/2002
IEC 60598-1/1999
. P* {# e5 ?- _' [  t7 ~6 t3 sEN 60598-1/2000
Sub clause: 11 - 19 12
' ?. P. n  d8 p1 J# nSheet N°: 109/06
Subject: Endurance and thermal tests on appliances for purifying water using an UV lamp
Key words:
- Thermal tests
  F" ~- ?! l9 w" R( T9 a$ s- Abnormal conditions
' O0 O+ ^2 o0 t4 g' T4 ~& p4 v- Temperature of water flowing
3 R0 w& d7 U: K) T3 sMeeting: Decision confirmed at CTL 41st meeting
Question: The appliance for purifying water is equipped with an UV lamp (with its
$ q0 w% e8 l; K- J+ u6 e2 Jaccessories). The unit can be used with or without a constant water flowing (in
accordance with the manual instructions). What should be the temperature of
: c7 M8 n3 w$ E6 Pthe 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
as worst case: all tests have to be performed without water flowing. At the
- x* E" Z. h& x0 c$ Ubeginning of the tests, the water shall be at room temperature (25°C). If the
. C6 \! z7 W7 L# H- K- z( }& w# y/ Iappliance 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
  m2 j; Q0 g, [1 mabnormal 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
temperature (25°C).
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