14 01276 408404 | www.greenwood.co.uk 01276 408404 | www.greenwood.co.uk 15 INTERMITTENT EXTRACT VENTILATION INTERMITTENT EXTRACT VENTILATION RF90 Centrifugal recessed bathroom fan with integral filter Features and benefits  Suitable for wall and ceiling mounted applications with discharge via wall/soffit and root tile  ø 100mm recessed centrifugal fan that complies with current Building Regulations – widely specified for social housing projects  Full range of control options including automatic humidistat sensing and overrun timers  Simple fuss-free 2 step installation – back plate can be installed prior to fan and motor assembly  Simple screw fix design for fast ceiling installation Modern, stylish front fascia design  Integral washable filter for motor protection – simply located at the front of the fan  Low running costs for occupants – ventilation without the expense Direct replacement for R90 COMPLIES WITH SYSTEM 1 240 43 163 20 215 Ø100 Models, control options and key data Product code Control operation Voltage IP Performance to BS 848 Pt1 in free air Sound pressure Price ex. VAT (£) Normal Slow m3 /h l/s m3 /h l/s dB(A)* RF90BW Single speed with pullcord 230 X4 75 21 - - 35 £68.34 RF90TW  Single speed with overrun timer & pullcord 230 X4 75 21 - - 35 £85.87 RF90HTW  Single speed with humidistat timer, overrun timer & pullcord 230 X4 75 21 - - 35 £123.99 Ancillaries for RF90 EG1 page 49 ED1 Easyfix page 48 Flexiduct page 48 FF100 Fastfix page 48 GG42 page 49 *Sound pressure level measured @ 3 metres Physical specification All measurements in millimetres unless otherwise indicated Weight: 1.3kg Materials: Satin finish white ABS plastic, with PVC exhaust seal Installation Wiring: Must comply with IEE Regulations Cable: Ø 1mm2 max Fuse:  3 amp normally required (when fan is supplied from a 6A lighting circuit no local fuse is required) Exhaust: Ø 100mm Electrical 230V~50Hz Class II specification: Consumption: 21W (RF90BW) 22W (RF90TW/HTW) Performance 100 80 60 40 20 0 0 5 10 15 20 25 30 Airflow l/s Static Pressure Pa RF90BW/ RF90TW/ RF90HTW SUITABLE FOR ZONE 1 AND 2 SF90 Centrifugal surface mounted bathroom fan with integral filter COMPLIES WITH SYSTEM 1 Features and benefits  Suitable for wall and ceiling mounted applications with discharge via wall/soffit and roof tile  ø 100mm surface mounted centrifugal fan that complies with current Building Regulations – widely specified in new housing, both private and social  Full range of control options for bathroom ventilation including SELV  Anti-backdraught damper and pullcord insulating link  Simple fuss-free 2 step installation where the back plate can be installed prior to fan and motor assembly  Discreet styling for modern interiors  Integral washable filter for motor protection – simply located at the front of the fan  Continuously running model for whole house ventilation (not dMEV) Direct replacement for S90 158 186.5 12 20 Ø100 158 115 184 142 Models, control options and key data Product code Control operation Voltage IP Performance to BS 848 Pt1 in free air Sound pressure level Price ex. VAT (£) Normal Slow Normal Slow m3 /h l/s m3 /h l/s dB(A)* dB(A)* SF90B Single speed with pullcord 230 X4 75 21 - - 37 - £68.34 SF90T Single speed with timer & pullcord 230 X4 75 21 - - 37 - £85.87 SF90HT Single speed. Humidistat/overrun timer & pullcord 230 X4 75 21 - - 37 - £123.99 SF90SVIT Single speed. SELV with overrun timer & pullcord 12 X4 75 21 - - 37 - £143.78 SF90SVIHT Single speed. SELV with humidistat/timer & pullcord 12 X4 75 21 - - 37 - £162.44 SF90A Continuously running at trickle speed Operates between trickle/normal speeds by pullcord, switch or sensor 230 X4 82 23 30 8 37 24 £132.96 Ancillaries for SF90 EG1 page 49 ED1 Easyfix page 48 Flexiduct page 48 FF100 Fastfix page 48 GG42 page 49 *Sound pressure level measured @ 3 metres Physical specification All measurements in millimetres unless otherwise indicated Weight: 1.3kg SELV Controller – 1.173kg Materials: Satin finish white ABS plastic, with PVC exhaust seal, SELV Controller – White satin finish, ABS plastic Installation Wiring: Must comply with IEE Regulations Cable: Ø 1mm2 max Fuse:  3 amp normally required (when fan is supplied from a 6A lighting circuit no local fuse is required) Exhaust: Ø 100mm Electrical 230V ~ 50Hz Class II specification: Consumption: 21W (SF90B/T/HT/A) 29W (SF90SVIT/SVIHT) 10W (SF90A Trickle Speed) Performance 100 80 60 40 20 0 0 5 10 15 20 25 30 Airflow l/s Static Pressure Pa SF90 all controls SF90A SUITABLE FOR ZONE 1 AND 2 2 2 2 2