direct-acting room heaters
Post on 17-Jan-2016
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Direct-acting room heaters
WHICH IS THE BEST WAY TO VERIFY AND
CERTIFY OUR PRODUCT'S PERFORMANCE?
WHAT IS IT?
IT IS A THIRD PART APPROVAL ISSUED BY THE FRENCH
NATIONAL CERTIFICATION BODY "LCIE"
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.
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"
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
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
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
2 - SAFETY & RELIABILITY
2.2 - AIR OUTLET TEMPERATURE
AIR OUTLET GRID
TEMPERATURE RISE: MAX 100°C
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
PRODUCT FUNCTIONING CHARACTERISTICS SHOULD BE THE SAME BOTH IN CASE OF HEAVY OR LIGHT HEATING
NECESSITY.
20%
80%
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
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
3 - PARTICULAR REQUIREMENS
3.1 ROOM TEMPERATURE DRIFT
MAX 1,5°C
20% 80%
3 - PARTICULAR REQUIREMENS
3.2 ROOM TEMPERATURE AMPLITUDE
MAX 0,5°C
20% 80%
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