Nortec ME Direct Feed - Manual (Page 36)

36 Product specifications
8 Product specifications
8.1 Technical data
Nortec ME Direct Feed
With optional
On/Off control unit
With optional
Stage control unit
Supply voltage optional On/Off and stage control unit 100...240 VAC/50...60 Hz
Power consumption 1) 40 W 100 W
Control signals On/Off 0..10 VDC
2...10 VDC
Control accuracy Control accuracy depends on air conditions, control
distance, water quality and on the number of On/Off
cycles
Max. admissible matrix face velocity 3.5 m/s (689 fpm)
(4.5 m/s (886 fpm) with droplet separator)
Water supply ø15mm (0.625") push-fit connector
Water drain (outside diameter) ø 54 mm (2.125")
Admissible water supply pressure 2...5 bar (29...72.5 psi)
Admissible water temperature 5...20 °C (41...68 °F)
Water quality Tap water, softened or fully demineralised water with a
max. of 100 cfu/ml
Admissible operating air temperature 10...60 °C (50...140 °F)
Admissible ambient temperature (optional control unit) 1...40 °C (33.8...104 °F)
Admissible ambient humidity (optional control unit) max. 75 %rh
Degree of protection of optional control unit IP21
Degree of protection of optional valves IP54
Conformity CE marking
Fire classification of evaporative media glass fibre media: A2-S2,-D0 (UL Class 1)
polyester media: DIN EN 53438 Class F1
1) Power consumption depending on the number of vertical evaporative cassettes banks and the options fitted