Technical specifications

Performance data

Min. working pressure Max. working pressure Max. capacity FAD* Min. capacity FAD* Installed motor power
mbar(g) psi mbar(g) psi m³/h cfm m³/h cfm kW hp
ZS 3 (VSD) 100 1.45 1200 17.4 1600 942 360 210 18-45 24-60
ZS 4L (VSD) 300 3.63 1000 14.5 3065 1004 389 229 37-75 50-100
ZS 4 (VSD) & ZS 4 (VSD+) 300 3.63 1500 21.8 3250 1913 405 238 37-90 50-120
ZS 5 (VSD) 100 1.45 1500 21.8 5875 3450 1470 865 55-160 75-215
ZS 6 (VSD) 300 3.63 1200 17.4 11750 6915 3000 1765 132-315 177-422

* Unit performance measured according to ISO 1217, Annex C & E, Edition 4 (2009)
Reference conditions:

  • Absolute inlet pressure 1 bar (14.5 psi).
  • Intake air temperature 20°C (68°F).

Dimensions & weight

Length Width Height Length Width Height Weight(Max)
mm inch kg lb
ZS 3 (VSD) 1236 1061 1435 49 42 56 856 1887
ZS 4L (VSD) 1910 1274 1690 75 50 67 1523 3357
ZS 4 (VSD) & ZS 4 (VSD+) 1852 1250 1740 73 49 69 1776 3915
ZS 5 (VSD) 2600 1756 2100 102 69 83 3810 8400
ZS 6 (VSD) 3036 2132 2350 120 84 93 6500 14330