• Material used for parts not recessed into wall: white ABS plastic.
• Material used for parts recessed into wall: talc-filled black plastic (PP) giving added strength.
• Nominal diameter 100 mm.
• 3 speed fan through optional TRIO-S controller (code 12871), consisting of:
• capacitor start induction motor equipped with thermal overload cutout and self-lubricating bushings,
• forward centrifugal impeller.
• Electronic pcb with humidistat function piloted by RH% sensor (4 preset thresholds: 60%, 70%, 80%, 90%, selectable during installation), designed to switch on the fan automatically. The pcb incorporates an electronic timer that shuts off the motor automatically when relative humidity returns below the threshold value. The timer setting is selectable during installation in the range 3’-20’ (default setting 3’).