Systemair MRH 1000 - motorised insulated roof hatch for DVAX 1000

MRH roof hatch for smoke and heat extraction • Vertical exhaust • Tested to F400 (400°C/2h) requirement up to EN 12101-3 • SL 1000 respectively SL 1250 at size 1250 (EN 12101-3) • WL 1500 (EN 12101-2), wind suction load • Certified as accessory of smoke and heat extract axial fans • Insulation thickness: walls 120 mm, cover 150 mm • Thermal transmittance class T2 • 24VDC electrically operated spindle actuator for cover opening • Indication for opened/closed cover position (floating limit switches) • Installation on flat or inclined roof - adjustable side bars to roof pitch (possibility to adjust depends on the height position of side bar - instructions) • Installation on flat surface (e.g. concrete) or through the roof • Robust structure • Sucking side connection acc. Eurovent 1/2 • Exhaust protective grid is included MRH, motorised roof hatch is used in case of fire to extract smoke gases from the room. Smoke-free escape ways increase the chances to rescue people in case of fire. MRH is intended for inser...