Ceiling fans offered shall be comply with MS 1219 and MS 1220 and of JKR approved brand and model. For 1500 mm sweep ceiling fan, the power consumption at full speed shall not be more than 80 watts at rated voltage, and the minimum air delivery shall be not less than 300 m3/min. Safety thermal fuse (130 0C, 2A) shall be incorporated against power surge and overheat.
All parts of the suspension system of the ceiling fan such as the fan hook, shank assembly, down rod, fan motor shaft etc. shall be secured by means of high tensile steel shackle bolts; locknuts complete with washers and spring washers and split pins. Split pins shall be positioned as close as possible to the locknuts after the latter have been properly tightened. Instructions as follows, in multi languages, shall be prominently displayed at the midway of the suspension rod: “AMARAN – Ketatkan Semua Nut”
Ceiling fans shall be provided with a supplementary independent suspension system so that in the event of failure of the rod suspension system, the fan motor will be safely suspended by this supplementary independent suspension system from the fan hook and electricity supply to the ceiling fan shall be disconnected. Disconnection of electricity supply to the ceiling fan shall be accomplished without snapping or damaging the supply cable of the ceiling fanpoint. It shall also not result in exposing any live terminal within the ceilingfan.
The material used for the supplementary independent suspension system shall be anti-corrosive type. Design and construction of the supplementary independent suspension system and disconnection of electricity supply shall be subject to the approval of JKR. These features must be assembled in the manufacturer’s factory. The rubber suspension bush shall properly fit the shank assembly. The upper canopy shall be so secured that it will not slide downward. All ceiling fan shall
be provided with suitable earth terminal.
The capacitors used shall be of dry self-healing, metalised polypropylene type. All ceiling fans shall be provided with matching speed regulator of the ventilated type complete with earth terminal. The regulator knob shall be secured in such a way that it can only be removed by a tool. Fan shall be fitted with well-balanced blades with proper identification to prevent mixing of blades.
All ceiling fan points shall be completed with speed regulator mounting block and 3 way connector. Where a ceiling fan is installed near a beam, the suspension rod of the ceiling fan shall be of suitable length such that there is a clearance of not less than 75 mm between the underside of the beam and the fan blades.