电冰箱等制冷器具abbr_quirements for refrigerating appliances, ice-cream appliances and ice-makers.rar FOREWORD .......................... 4 INTRODUCTION .......................... 6 1 Scope .............................. 7 2 Normative references........................ 8 3 Definitions ............................. 8 4 General requirement ........................10 5 General conditions for the tests ....................10 6 Classification ...................................12 7 Marking and instructions ..........................12 8 Protection against access to live parts ...............15 9 Starting of motor-operated appliances ...............15 10 Power input and current ...........................16 11 Heating..........................16 12 Void ..............................19 13 Leakage current and electric strength at operating temperature ..19 14 Transient overvoltages.............................20 15 Moisture resistance..........................20 16 Leakage current and electric strength ................21 17 Overload protection of transformers and associated circuits............................................22 18 Endurance ............................22 19 Abnormal operation..........................22 20 Stability and mechanical hazards ..................24 21 Mechanical strength.........................26 22 Construction ....................................27 23 Internal wiring ..................................35 24 Components ....................................35 25 Supply connection and external flexible cords.........36 26 Terminals for external conductors .................37 27 Provision for earthing....................38 28 Screws and connections ..........................38 29 Clearances, creepage distances and solid insulation .....38 30 Resistance to heat and fire ....................38 31 Resistance to rusting ....................39 32 Radiation, toxicity and similar hazards ...............39 Annexes...............................42 Annex C Ageing test on motors ...................41 Annex D Alternative requirements for protected motor units .................................................41 Annex AA (normative) Locked-rotor test of fan motors.........43 Annex BB (informative) Method for accumulation of frost............45 Bibliography ..........................48
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