York HVAC Catalogue 2018 EN 2019 EN | Page 101

YORK ® AIR-CONDITIONING PRODUCTS System advantages • Easy and simple installation (plug&play) The YBVS 2, 3, 4 unit has two axial-centrifugal fans. Supply fan removes contaminated warm air from the room and the exhaust fan, transports cold feed air. • Reduced cost of operation due to high-effinciency heat exchanger (91% recovery - YBVS-1) • Self-supporting housing structure - without aluminium profiles Both streams are decontaminated on filters and pass through the cross- flow heat exchanger, where heat is exchanged between the streams. Additionally, fresh air, after passing through the cross-flow exchanger, is heated by an electrical or water heater to the required temperature of the supplied air. • Attractive and minimalistic style The unit has an integrated by-pass. • Ensured supply of a suitable volume of fresh and additionally cleaned air Functions: • Night cooling of rooms during summer by bypassing the cross-flow exchanger, when the outdoor temperature is lower than the indoor temperature. • Low noise level • A by-pass integrated with the cross-flow heat exchanger allows for operation without heat recovery • Ensured high quality air and good effect on the health of people staying rooms • Automatic components supplied with Johnson Controls Factory Packaged Controls • Defrosting of the heat exchanger YBVS 4 YBVS 3 YBVS 2 YBVS 1 Performance (m 3 /h) Dimensions [mm] Unit size Weight [kg] Width B Height H Length L 1 85 550 600 2 180 750 850 3 240 800 4 380 880 Airflow range [m 3 /h] max Max heat recovery [%] 400 400 91 600 1 200 72 500 x 315 1 000 2 000 78 630 x 400 2 000 3 800 70 Flexible connections, dampers B x H min 1 100 fi 160 1 300 400 x 200 1 000 1 600 1 300 2 200 YBVS 2, 3, 4 YBVS 1 101