Nederman NCF Series User manual

Central Fan
NCF
2130187(01)2018-12-07
Original instrucon manual
EN INSTRUCTION MANUAL
Instruconmanual

NCF
2
Declaraon of conformity ................................................................................................ 3
Figures .................................................................................................................................................................. 4
English ................................................................................................................................................................... 9

NCF
3
Declaraon of conformity
Declaraon of conformity
We, AB Ph. Nederman & Co., declare under our sole responsibility that the
Nederman product:
NCF (Part No. **, and stated versions of **) to which this declaraon relates,
is in conformity with all the relevant provisions of the following direcves and
standards:
Direcves
2006/42/EC, 2014/30/EU, 2009/125/CE (Reg.CE/327/2011).
The name and signature at the end of this document, is the person responsible
for both the declaraon of conformity and the technical le.
English
EN
**
14550128, 14550228, 14550328, 14550428, 14550528, 14550628, 14550728, 14550828, 14550928, 14551028, 14551128, 14551228, 14551328, 14551428,
14551528, 14552128, 14552228, 14552328, 14552428, 14552528, 14552628
AB Ph. Nederman & Co.
P.O. Box 602
SE-251 06 Helsingborg
Sweden
Frank Christensen
VP Operaons EMEA
2018-12-13

NCF
4
W2 U2 V2
U1 V1 W1
L1 L2 L3
U2
W2 V2
YY connecon 230 V ∆∆ connecon 230 VY connecon 460 V ∆connecon 460 V
U1 V1 V5U5 W1 W5
W2 U2 V2
U1 V1 W1
L1 L2 L3
U1 V1 W1
W2 U2 U5W5 V2 V5
W2 U2 V2
U1 V1 W1
L1 L2 L3
U1 V1 W1
W2 U2 U5W5 V2 V5
W2 U2 V2
U1 V1 W1
L1 L2 L3
U1 V1 W1
U5 V5 U2W2 V2 W5
Figures
1
2
Delta connecon
3
Star connecon
4

NCF
5
MOUNTING INSTRUCTION
Vibraon absorbers
5
Clockwise
rotaon RD
RD0 - StandardRD90
RD30 RD60 RD120 RD150 RD270 RD300 RD330
OUTLET DIRECTIONS
Can be posioned aer order
Clockwise
rotaon RD
RD0 - Standard RD45 RD90 RD135 RD270 RD315
Outlet direcons for all NCF fans except NCF 30/15.
Outlet direcons only for NCF 30/15.
6

NCF
6
Example of lifting NCF fans.
7
Minimum installaon distances with inlet duct.
8

NCF
7
10 mm Max
40 mm Max 10° Max
Theorecal Parallel misalignment Axial compression Angular misalignment
9
Minimum installaon distances with open inlet.
10

NCF
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OUTDOOR INSTALLATIONS
Leave a bend on the cable to prevent
water from entering the motor
11

NCF
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EN
Table of contents
English
Instrucon manual
1 Preface ..............................................................................................................................................................................10
2 Safety .................................................................................................................................................................................10
2.1 General ..............................................................................................................................................................10
2.2 Mechanical characteriscs risks ..........................................................................................................11
2.3 Environmental risks ....................................................................................................................................11
2.4 Vibraon risks ................................................................................................................................................12
2.5 Operang speed risks................................................................................................................................13
2.6 Noise emission risks ...................................................................................................................................14
3 Descripon .....................................................................................................................................................................14
3.1 Intended use ..................................................................................................................................................14
3.2 Prohibited uses .............................................................................................................................................15
3.3 Life cycle of fan .............................................................................................................................................15
3.4 Technical specicaons ............................................................................................................................15
3.4.1 Technical data 50 Hz fans (metric) .........................................................................................15
3.4.2 Technical data 60 Hz fans (metric) .........................................................................................16
3.4.3 Technical data 60 Hz fans, 380 V (metric) ..........................................................................17
3.4.4 Technical data 60 Hz fans (imperial) .....................................................................................17
4 Installaon ......................................................................................................................................................................18
4.1 Delivery check ...............................................................................................................................................19
4.2 General informaon ..................................................................................................................................19
4.2.1 Fan orientaon .................................................................................................................................19
4.2.2 Standard fan outlet posion for NCF fans .........................................................................19
4.3 Installaon types .........................................................................................................................................20
4.4 Transport ..........................................................................................................................................................21
4.4.1 Transport and liing ......................................................................................................................21
4.4.2 Liing NCF fans .................................................................................................................................21
4.4.3 Storage in a warehouse ...............................................................................................................22
4.5 Mounng .........................................................................................................................................................22
4.5.1 Outdoor installaon ......................................................................................................................22
4.5.2 Minimum distances between components .....................................................................22
4.5.3 Electrical connecons ...................................................................................................................23
4.5.4 Motor connecons .........................................................................................................................23
4.6 Connecon to ducts ...................................................................................................................................23
4.7 Checks to be made before and aer starng ..............................................................................23
4.7.1 Preliminary checks..........................................................................................................................23
4.7.2 Checks to be carried out with the fan running ...............................................................24
4.7.3 Visual checks on guards ...............................................................................................................24
5 Use ......................................................................................................................................................................................25
6 Maintenance .................................................................................................................................................................25
6.1 Visual inspecons on blades and casing.........................................................................................27
6.2 Checking and cleaning parts in contact with the uid ............................................................27
6.3 Disassembly ....................................................................................................................................................28
6.3.1 Intake nozzles ....................................................................................................................................28
6.3.2 Housing .................................................................................................................................................28
6.3.3 Impeller ................................................................................................................................................28
6.4 Flexible an-vibraon joints between the fan and ducng .................................................28
6.5 Technical enclosures ..................................................................................................................................28
6.6 Spare parts ......................................................................................................................................................29

NCFEN
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1 Preface
Read this manual carefully before installaon, use and service of this product. Replace
the manual immediately if lost. Nederman reserves the right, without previous noce, to
modify and improve its products including documentaon.
This product is designed to meet the requirements of relevant EU direcves. To maintain
this status, all installaon, maintenance and repair is to be done by qualied personnel
using only Nederman original spare parts and accessories. Contact the nearest authorized
distributor or Nederman for advice on technical service and obtaining spare parts. If there
are any damaged or missing parts when the product is delivered, nofy the carrier and the
local Nederman representave immediately.
2 Safety
This document contains important informaon that is presented either as a warning,
cauon or note:
WARNING! Risk of personal injury.
Warnings indicate a potenal hazard to the health and safety of personnel, and how that
hazard may be avoided.
CAUTION! Risk of equipment damage.
Cauons indicate a potenal hazard to the product but not to personnel, and how that
hazard may be avoided.
NOTE! Notes contain other informaon that is important for personnel.
2.1 General
Table 2-1: Explanaon of sign and scker symbols used on the product.
Sign Descripon
Do not remove the guards.
Indicates a point that is to be used for liing and moving the fan.
6.7 Recycling ...........................................................................................................................................................29
7 Troubleshoong ...........................................................................................................................................................29

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EN
Sign Descripon
Generic hazard warning.
Posioned near the condensaon discharge plug (if present), to warn of the possible
presence of hazardous substances and/or substances at a high temperature.
2.2 Mechanical characteriscs risks
The following is a list of specic hazards related to the fan’s mechanical characteriscs.
WARNING! Risk of personal injury.
A person may receive injuries as a result of:
• Being dragged between a moving part and a xed part, for example a impeller and the
casing or some other xed part of the fan.
• Being dragged into the fan through the air intake, with consequent contact with the
sha or impeller.
• Contact with a moving part, such as the impeller.
• Ejecon from the fan exit of fragments deriving from the introducon of residual solids
or liquids extraneous to the process, or deriving from the sucon environment.
• An object drawn into the fan mouth and ejected at high speed from the fan intake or
exit.
• Structural defects of fan components.
• Contact with fan surfaces at dangerous temperatures, for example below -20°C or higher
than +50°C.
• When working with hot uids, there may be losses of jets of hot uid from the
transmission sha hole that may cause burns or scalds.
• The potenal harmfulness of the uid being moved or the presence of substances that in
case of leaks may be hazardous (toxic and/or inammable).
• A hazard deriving from motor overspeed, which may cause the breakage of machine
parts.
• The intake of air at abnormal temperatures higher than those recommended may cause
structural deformaons, malfuncons and hazards.
2.3 Environmental risks
The fan is designed to operate in and to withstand ordinary condions of working
environments.
The presence of the following can aect the life span of components, causing premature
deterioraon, above all with respect to guards:
• Vibraons
• Corrosive agents (dust, gas, fumes, mist)
• High temperatures
• Condensaon
• Solid bodies
• Abnormal turbulence
• Currents of air

NCFEN
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• Voltage dierences due to installaon
Since it is impossible to establish all-inclusive criteria that can take into account all the
possible combinaons of these eects, it is advisable to implement a plan of periodical
checks according to the eecve deterioraon noted, so that any variaons in structural
characteriscs can be detected in subsequent checks.
2.4 Vibraon risks
CAUTION! Risk of equipment damage.
• Failure to check vibraon levels may generate high risk factors and compromise the
operave lifespan of the fan.
• Fan operaon within a very broad range of operang speeds may lead to increased
vibraon in correspondence with a specic resonance frequency of the system of which
the fan is only a single component.
• Avoid working at speeds coinciding with structural resonance frequencies, and if this
is not possible, modify some variable that can change the resonance frequency of the
system, for example by using vibraon dampers of a dierent type.
Vibraons are the main factor aecng the operaonal life and safety of fans, and for this
reason it is essenal to accurately monitor their level during fan operaon and work cycles.
If ignored, vibraons can:
• Cause the formaon of cracks serious enough to cause structural failure, which may
even be sudden.
• Cause dicult operang condions for bearings, with malfuncons that may even
include seizing (with dangerous overheang eects).
• Cause slackening of ghtening and xing components (nuts and bolts).
• Generate greater noise.
NOTE! The monitoring of vibraons and temperatures makes it easier to take prevenve
acons against accidents.

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EN
2.5 Operang speed risks
CAUTION! Risk of equipment damage.
• Do not exceed the maximum rotaon speed indicated by Nederman.
• Do not use ON-OFF operang cycles unless expressly approved by Nederman.
• Do not subject the fan to thermal gradients greater than 3°C/minute.
• A condion of overspeed, even for a limited me, may cause irreversible damage and
create situaons of extreme risk hazards. The maximum speeds indicated by Nederman
must never be exceeded.
• The manufacturer must always be contacted in the case of use of a supply frequency
other than the original design frequency. Do not proceed unl authorized.
• In the case of fan operaon with a variable speed cycle of less than 30 minutes, this cycle
must be submied to approval by the Nederman Technical Oce, which will give its
approval and nofy the consequent reducon of maintenance intervals and the fan life
span.
• Inverng the fan rotaon direcon or starng it with the impeller turning in the opposite
direcon may cause breakage of the blades and/or the impeller hub, with the risk of
ejecon of metal parts.
• Resonance phenomena at low frequencies may cause damage to the structure.
Operang speeds greater than those envisaged by the fan design can create condions of
risk due to the reducon of the operave life span of moving parts.
In case of faults or malfuncons, overspeed condions may be created due to:
• Errors in the control logic system
• Short circuits on monitoring components
• Driver or inverter malfuncons
• Mechanical breakage of components, and in parcular on encoder
During normal operaon, condions of overspeed aributable to the drive system or motor
may occur, in parcular if the fan is supplied “with sha only” or with motor “without drive
system”.
The use of a supply frequency dierent from the original design frequency aects all fan
characteriscs. The modicaon of condions of use requires a complete revision of the
technical informaon sheet of the fan.
In the case of use at varying fan speeds or with frequent starng and stopping during
operaon, rotang organs are subject to mechanical stresses that may aect their
operave life span.
If the rotaon direcon of a fan must be inverted, or if it must be restarted, this must be
done only when the impeller is in the rest posion (total standsll).
Operaon at a speed signicantly lower than up to 40% of nominal speed (unless otherwise
specied by Nederman) may aect the cooling of the motor and bearings, with possible
malfuncons due to higher temperatures. For electrical components, the user and installer
are advised to provide adequate protecon for the drive system or motor, with the use of
heat detecon capsules if possible, and also using a servo-venlated motor if necessary.
Resonance phenomena in the structure must be avoided. These may emerge at specic
rotaon speeds, and may cause damage to the structure.

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2.6 Noise emission risks
WARNING! Risk of personal injury.
• Vibraons and noise emission are directly correlated. Compliance with the instrucons
given for correct installaon so as to reduce vibraons to a minimum is of equivalent
importance for noise reducon.
• Avoid posioning fans in areas that could increase the noise risk.
• Avoid working posions that increase the noise risk for operaves.
• Reducing exposure mes and the use of Personal Protecon Equipment will reduce the
risks caused by exposure to noise emissions. See Figure 1.
• With sound pressures higher than 100 dBA, operaves may approach the fan only if it is
not operang, even if wearing Personal Protecon Equipment.
Since the noise emied by a fan can be inuenced by external factors that can aect the
overall noise level, such as:
• The dimensions of the environment in which the fan is installed.
• The presence of stac elements near the fan (e.g. walls).
• The presence of other machines that are also sources of noise emission.
Nederman invites the user to measure ambient noise levels. It should be noted that
the presence of other operang machines generates a “superimposion of eects” and
resonance that mulply ambient noise.
In addion, in cases of restricted environments, or if the fan is installed against walls, the
eect of reverberaon and resonance on structures (walls and ceiling) is “exponenal”.
The denion of the risks to workers of exposure to noise is not the responsibility of
Nederman, which limits itself to indicaons of values, levels of uncertainty, standards or
criteria used for noise emission measurements.
As envisaged by applicable legislaon, it is the user that must assess the level of exposure
of operaves to noise emissions using its own specic procedures, idenfying:
• Sources of noise and their relave importance.
• Average exposure mes for each operave.
• The level of direct and reected noise.
• The noise transmied by structures and not through the air.
If exposure to noise, in terms of sound pressure, exceeds 80 dBA, the employer must
provide operaves with PPE for the hearing, such as earplugs or earmus. If exposure is
equal to or higher than 85 dBA, the employer must take all possible acon to ensure that
PPE for the hearing is eecvely used.
3 Descripon
3.1 Intended use
The NCF fan is a centrifugal fan designed for use in all types of industrial process and
venlaon systems, mounted indoor as well as outdoor.
The fan must be used in the ow range specied in the performance diagrams. Use of the
fan with ows lower than the minimum value indicated in the diagrams may cause unstable
uid dynamic operaon and vibraons.

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EN
3.2 Prohibited uses
Below is a list of specic uses that are prohibited:
• Operaon of the fan with non-gaseous uids or with uids with characteriscs
dierent from those dened to be used with the fan, since structural damage may be
caused to the fan with the possible risk of injury to persons and/or damage to things;
• Operaon of the fan in all types of system with pressures (present or even parally
generated by the fan) greater than 1.2 mes standard atmospheric pressure, since
structural damage may be caused to the fan with the possible risk of injury to persons
and/or damage to things;
• Operaon of the fan in all types of systems classied in accordance with the ATEX
direcve and that move potenally explosive uids, since risks of ignion/explosion
may arise with possible injury to persons and/or damage to things;
• Operaon of the fan in industrial chemical plants where the uid moved is highly
corrosive for the materials used in fan construcon, or in the presence of highly toxic
uids where the construcon methods of casings and the types of seal used are not
suitable for this specic applicaon, since structural damage may be caused to the fan
with the possible risk of injury to persons and/or damage to things;
• Operaon of the fan in mining industry plants and with underground installaons,
since addional risks not considered in the use of the fan above ground may arise,
with possible injury to persons and/or damage to things.
3.3 Life cycle of fan
The reliability of all components is guaranteed if they are properly maintained and if
Nederman original parts and accessories are used.
For safety reasons, guards in electrowelded wire must be replaced every 2 to 3 years.
If the fan is used at constant speed for two work shis every day equivalent to 16 hours,
calculated for 250 days per year, the expected life cycle for the impeller is equivalent to
40,000 hours, ie., 10 years.
In the specic case of operaon at variable speeds, the impeller life cycle must be assessed
on a case-by-case basis, and must also be agreed with Nederman.
Even if it has never been used, an impeller that has been stored for more than ten years
must be checked by Nederman for possible defects before it can be used.
3.4 Technical specicaons
3.4.1 Technical data 50 Hz fans (metric)
Table 3-1: Technical data 50 Hz fans (metric)
NCF 30/15 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Capacity (m3/h) 1100 - 4400 1700 - 6500 2000 - 6700 1800 - 5900 2300 - 9100 5700 - 14400 3500 - 12400 4600 - 17900
Total
pressure (Pa)
1840 - 700 2440 - 920 3440 - 1410 4550 - 1690 3070 - 1150 2520 - 740 4500 - 2000 5030 - 1880
Motor power
(kW)
2,2 4 5,5 5,5 7,5 7,5 15 18,5
Speed (rpm) 2880 rpm 2905 rpm 2925 rpm 2925 rpm 2930 rpm 2930 rpm 2940 rpm 2940 rpm
Voltage (V)
Current (A)
230Δ/400Y
7,9/4,55
230Δ/400Y
13,6/7,8
230Δ/400Y
17,9/10,3
230Δ/400Y
17,9/10,3
230Δ/400Y
24,0/13,8
230Δ/400Y 230Δ/400Y 230Δ/400Y
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.

NCFEN
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NCF 30/15 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Voltage (V)
Current (A)
400Δ/690Y
7,8/4,5
400Δ/690Y
10,3/6,0
400Δ/690Y
10,3/6,0
400Δ/690Y
13,8/8,0
400Δ/690Y
13,8/8,0
Phase: 3~ 3~ 3~ 3~ 3~ 3~ 3~ 3~
Starng current 6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
6 - 7 x rated
current
Degree of
protecon
IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55
Weight (kg) 67 105 110 112 150 132 232 292
Working
temperature
(°C)
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Ambient
temperature
(°C)
-30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40
Sound power
level Lw(A) ±
3dB *
94dB(A) 97dB(A) 106dB(A) 100dB(A) 98dB(A) 104dB(A) 107dB(A) 103dB(A)
Sound pressure
level Lp(A) ±
3dB *
80dB(A) 82dB(A) 83dB(A) 86dB(A) 83dB(A) 89dB(A) 92dB(A) 90dB(A)
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.
3.4.2 Technical data 60 Hz fans (metric)
Table 3-2: Technical data 60 Hz fans (metric)
NCF 30/15 NCF 30/20 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Capacity (m3/h) 535 - 4180 700 - 4315 830 - 6000 910 - 6550 800 - 5600 1600 - 8540 2600 - 13980 2340 - 11650 2650 - 17140
Total pressure
(Pa)
1970 - 575 2890 - 950 2540 - 870 3640 - 1320 4540 - 1570 3170 - 1020 3590 - 1170 5260 - 1700 5060 - 1870
Motor power
(kW)
2,2 3,0 4,0 5,5 5,5 7,5 11 15 18,5
Speed (r/min) 3500 3515 3535 3510 3520 3550 3540 3550 3560
Voltage (V)
Current (A)
208
8,6
208
11,5
208
15,1
208
18,7
208
18,7
208
26,2
208
38,4
208
52
208
66,4
Voltage (V)
Current (A)
230YY/460Y
7,8/3,9
230YY/460Y
10,4/5,2
230∆∆/460∆
13,6/6,8
230∆∆/460∆
17/8,5
230∆∆/460∆
17/8,5
230∆∆/460∆
23,8/11,9
230∆∆/460∆
34,8/17,4
30∆∆/460∆
46,8/23,4
230∆∆/460∆
60/30
Voltage (V)
Current (A)
575 V
3,1 A
575 V
4,2 A
575 V
5,5 A
575 V
6,8 A
575 V
6,8 A
575 V
9,5 A
575 V
11,0 A
575 V
19,4 A
575 V
24 A
Phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase
Starng
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
Protecon IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55
Weight (kg) 67 85 105 110 112 150 161 232 292
Working
temperature (°C)
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+60
Maximum
+ 60
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.

NCF
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EN
NCF 30/15 NCF 30/20 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Ambient
temperature (°C)
-30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40
Sound power
level Lw(A) ±
3dB *
94dB(A) 103dB(A) 97dB(A) 106dB(A) 100dB(A) 98dB(A) 104dB(A) 107dB(A) 103dB(A)
Sound pressure
level Lp(A) ±
3dB *
80dB(A) 89dB(A) 82dB(A) 83dB(A) 86dB(A) 83dB(A) 89dB(A) 92dB(A) 90dB(A)
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.
3.4.3 Technical data 60 Hz fans, 380 V (metric)
Table 3-3: Technical data 60 Hz fans (metric)
NCF 30/15 NCF 30/20 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/25 NCF 160/25
Capacity (m3/h) 830 - 6000 910 - 6550 800 - 5600 1600 - 8540 2340 - 11650 2650 - 17140
Total pressure
(Pa)
2540 - 870 3640 - 1320 4540 - 1570 3170 - 1020 5260 - 1700 5060 - 1870
Motor power
(kW)
4,0 5,5 5,5 7,5 15 18,5
Speed (r/min) 3535 3510 3520 3550 3550 3560
Voltage (V)
Current (A)
380∆
8,2
380∆
10,8
380∆
10,8
380∆
14,5
380∆
27,9
380∆
34
Phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase
Starng
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
Protecon IP 55 IP 55 IP 55 IP 55 IP 55 IP 55
Weight (kg) 105 110 112 150 232 292
Working
temperature (°C)
Maximum
+ 60
Maximum
+ 60
Maximum
+ 60
Maximum
+ 60
Maximum
+ 60
Maximum + 60
Ambient
temperature (°C)
-30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40 -30 to +40
Sound power
level Lw(A) ±
3dB *
95dB(A) 97dB(A) 96dB(A) 95dB(A) 101dB(A) 102dB(A)
Sound pressure
level Lp(A) ±
3dB *
82dB(A) 83dB(A) 86dB(A) 83dB(A) 89dB(A) 90dB(A)
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.
3.4.4 Technical data 60 Hz fans (imperial)
Table 3-4: Technical data 60 Hz fans (imperial)
NCF 30/15 NCF 30/20 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Capacity (cfm) 315 -
2466
410 -
2540
490 -
3535
535 -
3855
470 -
3300
940 -
5025
1530 -
8230
1375 -
6855
1560 -
10090
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.

NCFEN
18
NCF 30/15 NCF 30/20 NCF 30/25 NCF 40/25 NCF 50/25 NCF 80/20 NCF 120/15 NCF 120/25 NCF 160/25
Total pressure
(in w.g.)
7.9 - 2.3 11.6 - 3.8
in w.g
10.2 - 3.5 14.6 - 5.3 18.2 - 6.3 12.7 - 4.1 14.4 - 4.7 21.1 - 6.8 20.3 - 7.5
Motor power
(hp)
3.0 hp 4.0 hp 5.5 hp 7.5 hp 7.5 hp 10 hp 15 hp 20 hp 25 hp
Speed (r/min) 3500 r/min 3515 r/min 3535 r/min 3510 r/min 3520 r/min 3550 r/min 3540 r/min 3550 r/min 3560 r/min
Voltage (V)
Current (A)
208
8.6
208
11.5
208
15.1
208
18.7
208
18.7
208
26.2
208
38.4
208
52
208
66.4
Voltage (V)
Current (A)
230YY/460Y
7.8/3.9
230YY/460Y
10.4/5.2
230ΔΔ/460Δ
13.6/6.8
230ΔΔ/460Δ
17/8.5
230ΔΔ/460Δ
17/8.5
230ΔΔ/460Δ
23.8/11.9
230ΔΔ/460Δ
34.8/17.4
230ΔΔ/460Δ
46.8/23.4
230ΔΔ/460Δ
60/30
Voltage (V)
Current (A)
575 V
3.1 A
575 V
4.2 A
575 V
5.5 A
575 V
6.8 A
575 V
6.8 A
575 V
9.5 A
575 V
11.0 A
575 V
19.4 A
575 V
24 A
Phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase 3 phase
Starng
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
6-7 x rated
current
Protecon IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55 IP 55
Weight (lbs) 148 187 231 243 247 331 355 511 644
Working
temperature (°F)
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Maximum
+ 140
Ambient
temperature (°F)
-22 to +104 -22 to +104 -22 to +104 -22 to +104 -22 to +104 -22 to +104 -22 to +104 -22 to +104 -22 to +104
Sound power
level Lw(A) ±
3dB *
94dB(A) 103dB(A) 97dB(A) 106dB(A) 106dB(A) 98dB(A) 104dB(A) 107dB(A) 103dB(A)
Sound pressure
level Lp(A) ±
3dB *
80dB(A) 89dB(A) 82dB(A) 83dB(A) 86dB(A) 83dB(A) 89dB(A) 92dB(A) 90dB(A)
*Reference standards: ISO 3744, ISO 3746, ISO 13347. Installaon Type D: ducted inlet, ducted outlet.
4 Installaon
WARNING! Risk of personal injury.
• All installaon and assembly operaons must be carried out only by qualied personnel,
equipped with the correct PPE for protecon against blows and/or falling objects.
• Before installaon, the user must provide a well-levelled xing surface. Incorrect
levelling may cause abnormal fan vibraons that over me could cause deformaon
and/or breakage, with the detachment of fan parts, represenng a hazard for exposed
persons that may even be fatal.
• All guards installed must remain correctly connected to the fan with all relave fasteners
(bolts, nuts, etc). The removal of one or more xing points may impair the funconality
and solid xing of the guard.
• Fans supplied as standard versions are not intended for use in potenally explosive
environments.
• The safety measures adopted for using the fan must also be tailored to suit the specic
applicaons for which the fan will be used. The safety measures taken dier depending
on the type of fan installaon. Therefore, the informaon in this manual is indispensable
for the appropriate and hazard-free use of the fan.

NCF
19
EN
CAUTION! Risk of equipment damage.
• The place of installaon of the fan must be kept clean. Any spills of oil or water not due
to the fan must be cleaned away as quickly as possible.
• The minimum installaon distances dened in this manual must always be respected to
guarantee correct operaon and the absence of addional risks. Incorrect posioning
could impair the correct operaon of the fan.
NOTE! Always use an-vibraon supports and joints to reduce to a minimum the
transmission of vibraons during fan operaon.
NOTE! During installaon, the conservaon of the minimum access spaces requested for
maintenance operaons must be veried.
4.1 Delivery check
If there are any damaged or missing parts when the product is delivered, nofy the carrier
and the local Nederman representave immediately.
4.2 General informaon
4.2.1 Fan orientaon
See Figure 6. NCF fans can be supplied with 9 dierent orientaons except for the NCF
30/15 that can only be supplied with 6 dierent orientaons.
The rotaon direcon of a fan is dened for an observer located on the transmission side.
4.2.2 Standard fan outlet posion for NCF fans
The standard NCF fans are delivered as RD0, shown in Figure 6. Other posions can be
delivered on request. Please contact your AB Ph. Nederman & Co representave for
assistance.

NCFEN
20
4.3 Installaon types
WARNING! Risk of personal injury.
• Even with guards installed (regardless of the condions of supply or installaon),
the fan may be dangerous due to the eects of indrawn or moved air.
• It is advisable to adopt precauons that prevent access to the room containing
the fan while it is operang, or to keep persons away with xed guards that
maintain a safe distance from the intake opening.
• Check the eciency of all guards every month. In case of wear, damage or
breakage, replace them immediately.
• The user is responsible for the selecon of equipment, ropes, belts and chains
best suited for both load and funconality.
• Unless otherwise specied by contract, the fan and guards are suitable for
installaon as a single unit, and must not be subjected to eects of uid dynamics
caused by other machines installed in the same uid movement system.
• On starng and in compliance with programmed maintenance intervals, check
that nuts and bolts are correctly ghtened.
• A safety procedure for access to the fan must be compiled, taking into
consideraon the indicaons provided by the manufacturer, informaon deriving
from the analysis of risks at the installaon point and safety requirements in
workplaces.
• The client and/or the installer of the electric system is responsible for choosing
the equipment and cables used for connecng the fan electrically, based on the
dimensions of the motor installed and the characteriscs of the main power
supply.
There are four possible installaon types, in compliance with UNI 10615 specicaons:
• Type A: open intake and outlet.
• Type B: open intake and outlet connected to a pipe.
• Type C: intake connected to a pipe and open outlet.
• Type D: intake and outlet connected to a pipe.
Clearly AB Ph. Nederman & Co cannot be aware of which of these four installaon types
will be used by the user. Therefore, the installer or end client themselves must analyze the
risks involved for the chosen installaon type used in the specic applicaon.
Depending on the applicaons that the client intends to use the fan for and on the type of
installaon chosen, the following safety shields must be ed:
• Type A installaon: xed shields at the intake and outlet.
• Type B installaon: shield ed only at the intake.
• Type C installaon: shield ed only at the outlet.
• Type D installaon: no shield at either the intake or outlet.
The shielding must be constructed to impede access to the parts of the fan that could
cause injury. It must be robustly built enough to stand the vibraons and stress caused
by the machine and by environmental condions. It must be securely xed in posion by
devices that will not become loosened by vibraons and that cannot be removed without
the use of tools.
It is, in any case, the person installing the fan who is responsible for ensuring that adequate
measures have been taken to prevent accidental contact with the fan’s moving parts.
The installer and the user must also take into account other types of risks present, in
parcular those caused by foreign maer entering the fan and the aspiraon of explosive,
inammable or toxic gases at high temperatures.