Hi. First things first. As mentioned by SPARKS the fan does not form part of the installation other than its position and supply. (6.16.1.1). The fan is regarded as a fixed appliance (6.16.1.3) and therefore should comply to regulation in that regard (Its position and supply). If its protected by E/L no disconnector is required. If not protected by E/L a disconnector shall be installed within 1.5m from the fan (6.16.1.4).
Hope it helped
TDMI
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