In rooms containing fuel-burning appliances, care should be taken to ensure that air replacement is adequate for both the fan and the fuel-burning appliance.
Wiring should be carried out in accordance with cur rent IEE regulations (UK) or the appropriate standards in your country.
Always check that the supply voltage, fuse rating and wiring are correct and that installation is in accordance with the instructions provided with the product.
IEE regulations (UK) require that mains voltage fans be sited out of reach of a person using a fixed bath or shower. Ensure that mains fans and controls are sited well away from all sources of water spray. We recommend that electrical products of this kind be installed in accordance with mandatory regulations and their official guidance documents.
Safety Extra Low Voltage (SELV) fans are available for installation within bath or shower rooms in accordance with relevant wiring regulations. The mains transformer control unit with SELV output must be sited away from any source of water spray and out of reach of a person using a fixed bath or shower.
Ducts passing through an unheated roof void should be insulated to minimise condensation and must include a condensation trapand means of running off collected liquid. Vertical ducts should be fitted with a condensation trap and a weatherproof cowl ofsufficient free area for the air volume. Horizontal ducts should fall away from the fan unit.