Data sheet
Danfoss Wood concept
NWC
Nessie® Wood Concept,
type NWC
The Danfoss Wood Concept is a compact and
exible high pressure humidication unit
designed for lumber drying, dust suppression
and saw blade lubrication
Optimum protability in the lumber business
depends on human knowledge and experience
of handling a living material. However,
automation has become an indispensable tool for
optimising the drying and sawing process.
With the NWC, a range of new benets are
available for lumber drying and wood processing.
The NWC operates at pressures between 80-100
barg [1160-1450 psig], producing extremely small
water droplets evaporating immediately.
Design and function
The Danfoss Wood Concept is a turnkey system
– complete and compact by design. It consists
of a tank, a pump, an electric motor, valves and
a control system. Among a range of thoughtthrough design details can be mentioned:
• The pump is solely water lubricated.
Consequently, the pump requires no service
or maintenance throughout its entire life.
• An inlet lter lters o impurities. In that way
both nozzles and pumps are safeguarded,
cutting down service costs. Moreover, no
possible contamination of the water will
damage the lumber.
• The high pressure water humidication unit is
supplied with up to 8 outputs due to customer
specications, for control of one or several
kilns, and even several sawing machines can
be connected. More outputs can be added in
case of increasing demand.
• The unit is equally well t for installation in
new applications as well as retrot in existing
kilns.
• The high pressure water humidication unit
comes with an electric motor as standard.
However, the unit can be supplied with a
frequency converter motor, type FCP 106 from
Danfoss for optimized process control.
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Data sheet | Danfoss Wood Concept NWC
Performance
Motor rev. 1500 rpm - l/h 110 300 500 800 1050
Motor rev. 1800 rpm - gpm 0.57 1.54 2.53 4.18 4.84
Motor with motor drive - l/h
[gpm]
NWC 020 NWC 040 NWC 063 NWC 100 NWC 125
25-130
[0.11-0.57]
85-350
[0.32-1.54]
150-575
[0.66-2.53]
260-950
[1.14-4.18]
350-1100
[1.54-4.84]
Description
The NWC is suppled with up to 8 pressure outputs.
7
6
5
4
3
2
12
1
8
9
10
11
12
13
14
© Danfoss | HPP (im) | 2021.01
No. Item Description
1 1-8 high-pressure outputs Connection: G⁄" internal thread
2 Water tank (buer tank) Volume: 25 l [6.6 gal]. Material: plastic
3 Tap water supply/inlet On/O ball valve. Connection: G¾" internal thread
4 Check valve Protection against water hammer in the water supply line
5 Manometer Visual control for output pressure
6 Filter 20" 10 µm absolute filter. Manufacturer: Ametek
7 Pressure switch Monitor device for lter element change
8 Control box Control box and power supply box
9 Pressure transmitter Pressure monitoring for motor drive (optional)
10 Electric motor
11 Motor device Water temperature and water level monitoring
12 Hose (transparent) Tank drain, visual water level monitoring
13 Power pack valve, Danfoss type VPH 15E 2/2-way directional control and pressure relief valve
14 Fixing holes 4 x Ø0.39 inch
Electric motor as standard.
Option: frequency converter motor drive
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Data sheet | Danfoss Wood Concept NWC
Technical data
Noise Level
Supply voltage:
• for electric motor (standard):
3 × 400/460/575 V - 50/60 Hz
• for motor drive: 3 × 380-480 V - 50/60 Hz
Control voltage:
• 24 V d.c. input
(zero potential switch required)
Main fuse:
• CE-version: max. 40 Amp., 2.5 mm
2
• UL/CSA versions:
JDDZ max. 60 Amp., type K5
Power requirement:
• 0.55 - 4 kW [0.75 - 5.5 hp]
(pump and pressure dependent)
Control box:
• Automatic control of unit:
- operation, warning and failure indication
- lter change indication
- operationel status indication to external
controller
• Required connections:
- power supply
- zero potential switch fro controller
Noise levels (sound pressure) measured at a 1
m./3.3 ft. distance at 1500 rpm and 100 bar/ 1450
psi:
Water inlet pressure:
• min. 2 bar and max. 10 bar / min. 29 psi and
max. 145 psi.
Temperature conditions:
• Ambient temperature: max. 40 °C [104 °F]
• Media temperature: min. +3 °C and max. +
20 °C [min. +37 °F and max. +68 °F]
• Storage temperature: min. -40 °C - +70 °C
[min. -40 °F and max. +158 °F]
• Transport temperature: In transport temp.
lower than -10 °C [+14 °F], consideration must
be given to the reduced strength of plastic
materials.
Enclosure grade for control box:
• IP 65 / NEMA 12
Approvals:
• NWC unit is CE approved.
• NWC can be delivered in UL and CSA version
Dimensions,
mm (inch)
• NWC 25-2/4/6.3: 62 dB(A)
• NWC 25-10/12.5: 65 dB(A)
800 (32)
725 (29)
450 (18)
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690 (28)
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Water quality and ltration The NWC units are designed for ordinary drinking
Danf
already on order pro
All trademarks in this material are property of the respective companies. Danfoss and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
water, i.e. water containing no additives (EU
Drinking Water Directive, 98/83/EC) and without
abrasive elements.
The water supplied to the NWC unit must be
ltered using a 10 µm absolute, β
-value > 5000
10
lter.
Danfoss A/S
High Pressure Pumps
Nordborgvej 81
DK 6430 Nordborg
Denmark
oss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products
vided that such alterations can be made without subsequential changes being necessary eady agreed.
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