Replace by: This standard applies to electric storage heaters having a daily operating cycle and intended to heat the room in which they are located. NOTE 1 This standard does not apply to heating appliances incorporated in the building structure, to central heating systems or to floor heating installations. NOTE 2 If an appliance is intended to be operated as a storage heater or as a direct-acting room heater, it is also tested in accordance with EN 60675. NOTE 3 If an appliance has a heat retention of less than 20 %, it is not considered to be a storage heater. This standard defines the main performance characteristics of storage heaters and specifies methods for measuring these characteristics, for the information of users. NOTE 4 Information which may be of interest to the consumer is listed in Annex D. This standard does not specify values for performance characteristics. NOTE 5 This standard does not deal with: safety requirements (EN 60335-2-60); acoustical noise of fans heaters (EN 60704-2-2).