ДСТУ EN 834:2017 Измерители расхода тепла для определения теплоотдачи комнатных отопительных батарей. Приборы с электропитанием (EN 834:2013, IDT)
ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ
Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(
(ДП «УкрНДНЦ»))
Наказ від 31.07.2017 №200
EN 834:2013
Heat cost allocators for the determination of the consumption of
room heating radiators — Appliances with electrical energy supply
прийнято як національний стандарт
методом «підтвердження» за позначенням
ДСТУ EN 834:2017
(EN 834:2013, IDT)
Вимірювачі витрат тепла для визначення тепловіддачі
кімнатних опалювальних батарей. Прилади з електроживленням
З наданням чинності від 2017-08-01
Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Functional principle and measurement methods
General specifications
5.1 Base condition
5.2 c-value
5.3 Rating factors
5.4 Calendar function
6 Requirements for heat cost allocators
6.1 Requirements concerning temperature stress
6.2 Storage temperature
6.3 Start of counting
6.4 Idle counting rate
6.5 Temperature sensors
6.6 Calculator/central processing unit
6.7 Auxiliary power supply
6.8 Overflow of the display
6.9 Display resolution
6.10 Functional check
6.11 Limits of relative display deviation
6.12 Ageing
6.13 Electrical, electrostatic and magnetic influences
6.14 Thermal impact on heat cost allocators operating in accordance with the single-sensor measurement method
6.15 Thermal impact on heat cost allocators operating in accordance with the two-sensor measurement method
6.16 Thermal impact on other devices or components
6.17 Impact on transmission systems
6.18 Sealing
6.19 Calendar function
6.20 Taking into account operating conditions
7 Requirements for use and installation
7.1 Temperature limits
7.2 Attachment of the sensors
7.3 Attachment position of the sensors
7.4 Connecting cable installation
7.5 Uniformity of heat cost allocators
8 Rating requirements
8.1 Rating factor KQ
8.2 Rating factor KC
8.3 Rating factor KT
8.4 Resulting rating factor K
8.5 c-value
9 Requirements for maintenance and reading
9.1 Visual reading
9.2 Close-range reading
9.3 Remote reading
10 Testing
10.1 General
10.2 Test documents
10.3 Test report
10.4 Test protocols
11 Test procedures
11.1 Construction test
11.2 Sealing test
11.3 Temperature durability test
11.4 Test for compliance with the limits of the relative display deviation
11.5 Ageing resistance test
11.6 Test of the start of counting at normal operation and also, for heat cost allocators with room temperature sensors, at operation with thermal impact
11.7 Test of the idle counting rate
11.8 Test of the counting rate in the case of thermal impact
11.9 Test for external influences
11.10 Test of c-values, procedure
11.11 Test of c-values, scope of testing
11.12 Test of rating factor KQ
11.13 Test of rating factor KC
12 Marking
Annex A (informative) Information and recommendations
A.1 General
A.2 Heating systems
A.3 Recommended field of application
A.4 Heat emission not controllable by the consumer
A.5 Additional corrections
A.6 Documentation of the relationship between the counting rate and the thermal output
Bibliography
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