Nortec ME Direct Feed - Manual (Page 10)

10 Product Overview
3 Product Overview
3.1 Model overview
The standard version includes the evaporative module (75%, 85 % or 95 % efficiency depending
on the cassette type) and a hydraulic manifold without valves (for internal or external installation).
To run the standard version with a On/Off control, the system must be equipped with an On/Off control
unit and the hydraulic manifold must be equipped with a drain valve, a supply valve, and a purge valve
as minimum. All components for extending the standard version to an On/Off control system are avail-
able as options (see table below) or must be supplied by the customer.
To run the standard version with a stage control, the system must be equipped with a stage control unit
and the hydraulic manifold must be equipped with a drain valve, a supply valve, a purge valve, and the
appropriate number of stage valves as minimum. All components for extending the standard version to
a stage control system are available as options (see table below) or must be supplied by the customer.
Options On/Off control Stage control
Fibre Media
Composite non particle-releasing glass fibre media with anti-microbial im-
pregnation and A2, S2, d0 (UL Class 1) fire rating.
Available in 75% (100mm), 85% (150mm) and 95% (200mm) efficiencies.
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Polyester Media
Robust patented synthetic media with hygroscopic impregnation and DIN
EN53483 Class F1 fire rating.
Available in 85% (200mm), 95% (300mm) efficiencies.
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Droplet Separator
Droplet Catching matrix increasing maximum face velocity limit without drop-
let carry-over from 3.5 m/s (689 fpm) to 4.5 m/s (886 fpm).
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Evaporative module Blanking
Kit to secure Nortec ME and prevent air-bypass within the duct / AHU.
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Leak Detection
Provides additional fault indication for the Nortec ME by monitoring for stand-
ing water detected in duct / AHU.
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Stage valves
Valve kit which facilitates stage control of direct feed systems using customer
controls or the ME Direct Feed Stage Control Unit.
Available in 2, 3, 4 and 5 stage versions.
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Inlet, drain and purge valve
Valve kit for customers who wish to create their own basic on/off direct feed
control system.
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On/Off control unit
On/Off control unit for simple control of direct feed systems which includes
timed purge function to enhance system hygiene.
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Stage control unit
Stage control unit for simple analogue control of direct feed systems which
includes timed purge function to enhance system hygiene.
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