direct-acting room heaters
DESCRIPTION
Direct-acting room heaters. WHICH IS THE BEST WAY TO VERIFY AND CERTIFY OUR PRODUCT'S PERFORMANCE?. IT IS A THIRD PART APPROVAL ISSUED BY THE FRENCH NATIONAL CERTIFICATION BODY "LCIE". WHAT IS IT?. WHY IS IT IMPORTANT?. - PowerPoint PPT PresentationTRANSCRIPT
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Direct-acting room heaters
WHICH IS THE BEST WAY TO VERIFY AND
CERTIFY OUR PRODUCT'S PERFORMANCE?
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WHAT IS IT?
IT IS A THIRD PART APPROVAL ISSUED BY THE FRENCH
NATIONAL CERTIFICATION BODY "LCIE"
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WHY IS IT IMPORTANT?
BECAUSE FRANCE REPRESENTS THE REFERENCE MARKET FOR ELECTRIC HEATING AND LCIE
HAS DEVELOPED INTERESTING AND OBJECTIVE METHODS TO CHECK HEATING PRODUCTS
PERFORMANCE.
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WHICH ARE REFERENCE STANDARDS?
APPLICABLE STANDARDS ARE:
• EN60335-1 "Hosehold and similar electric appliances - Safety General Requirements"
• EN60335-2-30 "Particular requirements for room heaters"
• EN 60335-2-43: "Particular requirements for clothes dryers and towel rails"
• EN60675:"Household electric direct-acting room heaters: Methods for measuring performance"
• LCIE 103-13 "Cahier des charges de la marque NF Electricitè Performance"
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NF PERFORMANCE REQUIREMENTS
1 - ENVIRONMENT
2 - SAFETY & RELIABILITY
2.1 - PROTECTION AGAINST ELECTRIC AND THERMAL SHOCKS
2.2 - AIR OUTLET TEMPERATURE
2.3 - SURFACE TEMPERATURE
2.4 - HEATING ELEMENT(S) RELIABILITY
3 - PARTICULAR REQUIREMENTS
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1 - ENVIRONMENT
THE PRODUCT SHOULD NOT MAKE
THE WALL DIRTY
IN STEADY CONDITION AT NOMINAL
POWER THE TEMPERATURE RISE OF
THE SURFACE OVER THE HEATER
SHOULD NOT BE OVER 20°C
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2 - SAFETY & RELIABILITY
2.1 - PROTECTION AGAINST ELECTRIC AND THERMAL SHOCKS
ACCESSIBILITY TESTS ARE MADE
WITH PROBES DIFFERENT FROM
THE ONES USED DURING SAFETY
APPROVAL
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2 - SAFETY & RELIABILITY
2.2 - AIR OUTLET TEMPERATURE
AIR OUTLET GRID
TEMPERATURE RISE: MAX 100°C
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2 - SAFETY & RELIABILITY
2.3 - SURFACE TEMPERATURETEST CONDITIONS
• THE PRODUCT IS RUN AT NOMINAL POWER INSIDE THE TEST ROOM.
• THE THERMOSTAT IS SET TO MAINTAIN A TEMPERATURE OF ABOUT 20±2°C
• A COLD AIR FLOW INSIDE THE TEST ROOM IS MODULATED SO THAT THE POWER CONSUMPTION NECESSARY TO MAINTAIN SET ROOM TEMPERATURE IS ABOUT:
• 20% OF MAXIMUM NOMINAL POWER TO SIMULATE REDUCED HEATING NEEDS
• 80% OF MAXIMUM NOMINAL POWER TO SIMULATE RELEVANT HEATING NEEDS
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PRODUCT FUNCTIONING CHARACTERISTICS SHOULD BE THE SAME BOTH IN CASE OF HEAVY OR LIGHT HEATING
NECESSITY.
20%
80%
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SURFACE TEMPERATURE DISPERSION
DIFFERENCE BETWEEN TEMPERATURE MEASURED IN DIFFERENT POINTS BOTH AT
20% AND 80% SHOULD NOT EXCEED 30°C
SURFACE TEMPERATURE STABILITY
DIFFERENCE BETWEEN THE MAX TEMPERATURE MEASURED IN EVERY
POINT BOTH AT 20% AND 80%SHOULD NOT EXCEED 15°C
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2 - SAFETY & RELIABILITY
2.4 - HEATING ELEMENT(S) RELIABILITY
T1=MAX TEMP OF THE H.E. @ 244V
T2=0.75 T1
2500 CYCLES @ 400V
TIME CYCLE IS SET TO MAINTAIN H.E.
TEMP IN THE RANGE T1-T2
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3 - PARTICULAR REQUIREMENS
3.1 ROOM TEMPERATURE DRIFT
MAX 1,5°C
20% 80%
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3 - PARTICULAR REQUIREMENS
3.2 ROOM TEMPERATURE AMPLITUDE
MAX 0,5°C
20% 80%