DIN 3440 E : 1984
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TEMPERATURE CONTROL AND LIMITING DEVICES FOR HEAT GENERATING SYSTEMS; SAFETY REQUIREMENTS AND TESTING
Hardcopy , PDF
01-12-2005
English
01-01-1984
1 Field of application<br>2 Concepts<br> 2.1 Temperature control device (TR)<br> 2.2 Temperature limiting device<br> 2.3 Operating differential<br> 2.4 Time constant<br> 2.5 Temperature control and limiting devices <br> powered by an auxiliary energy source<br> 2.6 Combination<br>3 Safety requirements<br> 3.1 Materials, design<br> 3.2 Electrical components<br> 3.3 Permissible ambient temperatures<br> 3.4 Effect of ambient temperature<br> 3.5 Thermal overload capacity of temperature <br> sensor <br> 3.6 Type of protective enclosure<br> 3.7 Settings and parameters of temperature <br> controllers<br> 3.8 Operating differential of two-step and <br> multi-step controllers and temperature <br> limiting devices<br> 3.9 Settings and characteristics of temperature<br> limiting devices<br> 3.10 Time constant<br> 3.11 Effect of auxiliary energy source<br> 3.12 Temperature limiting devices with enhanced <br> safety<br> 3.13 Heat transfer at temperature sensor<br> 3.14 Devices having an additional control and <br> signalling function<br> 3.15 Combination systems<br> 3.16 Devices with switchable functions<br> 3.17 Monitoring devices<br>4 Testing<br> 4.1 Test houses<br> 4.2 Types of test<br> 4.3 Test samples and test documentation<br> 4.4 Checking of construction<br> 4.5 Functional testing<br> 4.6 Determination of time constant<br> 4.7 Testing the effect of the auxiliary energy <br> source <br> 4.8 Testing the thermal overload capacity<br> 4.9 Testing of other characteristics of TR, FR, <br> TW, ATW and STW devices<br> 4.10 Testing of the special characteristics and <br> features of TB, STB and Th devices<br> 4.11 Testing of the performance of electronic <br> devices under disturbed operating conditions<br> 4.12 Enhanced safety for ATW, STW and STB devices<br> 4.13 Service test<br>5 Installation and operating instructions
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