Noctua NF-A14x25 G2 PWM Sx2-PP Bruksanvisning
Noctua
Hårdvarakylning
NF-A14x25 G2 PWM Sx2-PP
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NOCTUA NF-A14x25 G2 PWM Sx2-PP
INSTALLATION MANUAL
Caution: Do not overtighten radiator screws! The total
compressive load on all 4 screws must not exceed 30kg
(equivalent to ~0.15 − 0.25Nm torque with typical M3 or
UNC 6-32 screws). Be extra careful with M4 or fine threads as
they can produce higher compressive load with lower torque.
Caution: Please remove the protective paper from the inside
of the fan frames before use.
For installing your NF-A14x25 G2 PWM fans on a CPU
heatsink or watercooling radiator, please use the fan
mounting mechanism supplied with said product (fan clips,
screws, etc.).
Caution: The NF-A14x25 G2 is a high-precision device with
extremely strict tolerances. Therefore, it is critical to avoid
excessive forces acting onto the frame when installing the
fan on water cooling radiators:
On the outlet side of the fan, only use anti-vibration pads
and gaskets with rings around the mounting hole when
installing the fan with the outlet side facing the radiator
(“push” orientation). These rings reduce the load onto the
frame significantly.
Do not use pads or gaskets without load-relief rings on the
outlet side of the fan in “push” configurations! On the inlet
side, both types can be used.
When installing the NF-A14x25 G2 PWM as a case fan,
you can either use the supplied mounting screws or NA-AV2
silicone anti-vibration mounts.
For installing the fan using the NA-AV2 mounts, please first
pull the F side through the fan’s mounting holes and then
pull the C side through the mounting holes of the case:
F = fan side C = case side
NO
Inlet side: regular pads
Application
(e.g. radiator)
Outlet side: gasket or pads
with load-relief rings
Inlet side: regular pads
Airow
Airow
Application
(e.g. radiator)
Outlet side: regular pads
YES
Installation
1
7.5kg max. compressive load
per screw (30kg total)
If the long ends of the mounts are in the way, you can use
scissors to cut them after installation. Note that this will
then make them difficult to reinstall in the future.
If you prefer anti-vibration mounts with flat case-side ends,
please purchase the optional NA-AV4 mounts.
This document includes some instructions for installing,
running and cleaning your NF-A14x25 G2 PWM Sx2-PP
fan set.
Should you encounter any difficulties, please check the
FAQs on our website (faqs.noctua.at) and don’t hesitate to
contact our support team at support@noctua.at.
Multilingual versions of this manual are available on our
website: www.noctua.at/manuals
Dear customer,
Thank you very much for choosing the Noctua NF-A14x25
G2 PWM Sx2-PP.
The NF-A14x25 G2 PWM Sx2-PP is a set of two
NF-A14x25 G2 PWM square-frame 140mm fans for
push-pull operation such as on water cooling radiators.
When two fans operate in a push-pull configuration
running at the exact same speed, their acoustic interaction
can lead to undesirable harmonics phenomena such as
intermittent vibrations or periodic humming. Therefore,
the two NF-A14x25 G2 PWM fans contained in the Sx2-PP
set are slightly offset in speed (+/- ~25rpm) in order to
ensure optimal acoustics in push-pull configurations.
Enjoy your NF-A14x25 G2 PWM Sx2-PP fans!
Yours sincerely,
Roland Mossig, Noctua CEO
Included mounting parts:
2x NA-RC16
Low-Noise Adaptors (L.N.A.)
8x NA-AVP1-LR
load-relief anti-vibration pads
8x NA-AV2
anti-vibration mounts
2x NA-EC1
30cm extension cables
8x NA-AVP1-LR
load-relief anti-vibration pads
8x fan screws
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NOCTUA NF-A14x25 G2 PWM Sx2-PP
INSTALLATION MANUAL
Cleaning and maintenance
4
Fans inside computer cases tend to accumulate dust over
longer periods of usage. In order to maintain maximum
performance, please clean your fans regularly using a duster,
slightly moist tissue or canned air. Please be careful not to
use too much force in order to prevent any damage to the
fan. Please don’t use a vacuum cleaner as this may apply
excessive force to the fan.
In order to ensure flawless operation over many years of
usage, the NF-A14x25 G2 PWM premium grade SSO2
bearing is fully sealed to prevent the entering of fine dust
particles.
Please note that the fan is not designed to be taken apart by
the user. Removing the impeller from the frame will break
the sealing of the bearing and results in a loss of warranty.
Warranty, support and FAQs
!
Connection
3
The NF-A14x25 G2 PWM comes with a 4-pin PWM
fan connector for fully automatic speed control via your
motherboard’s 4-pin PWM fan headers. Please note that
the fan can also be connected to 3-pin fan headers though.
When connected to 3-pin fan headers, the NF-A14x25
G2 PWM will run at full speed (unless the motherboard
supports voltage based speed control).
If you’re using multiple NF-A14x25 G2 PWM fans, you can
use the supplied splitter cable (NA-YC1) to connect several
fans to one PWM fan header. This way, your motherboard
will set all the connected fans to run at the same speed.
The NF-A14x25 G2 PWM features a short 20cm primary
cable in order to help you minimise cable clutter in typical
applications. If you need a longer cable, please add the
supplied 30cm extension (NA-EC1).
The NF-A14x25 G2 PWM comes with a Low-Noise Adaptor
(NA-RC16) that allows you to reduce the fan speed from
1500 to 1250rpm. You can either use the adaptor to set
the fan to a fixed speed of 1250rpm (if speed control is
deactivated) or to cap the maximum speed to 1250rpm
during PWM speed control.
Even with high-grade products and strict quality control,
the possibility of defects cannot be eliminated entirely.
Therefore, we aim at providing the highest possible level
of reliability and convenience by offering a warranty
period of 6 years and direct, fast and straightforward
RMA service.
Should you encounter any problems with your NF-A14x25
G2 PWM Sx2-PP fan set, please don’t hesitate to contact
our support team (support@noctua.at).
Please also consult the FAQ section on our website:
faqs.noctua.at
Push-pull sequence
2
In most configurations, it makes no perceivable or
measurable difference whether the slower (PPA) or the
faster (PPB) fan is installed in the front (push) position.
For avoiding resonance phenomena that may occur due to
the fans running at the exact same speed, the key point is
that the fans are offset in speed, but it doesn’t matter which
fan is installed in the front (push) and which in the rear
(pull) position.
Minute differences may, however, occur due to other factors
such influx turbulence on the front fan (e.g. due to grills or
perforated sheets), so please feel free to experiment with
changing the sequence of the fans.
Produktspecifikationer
| Varumärke: | Noctua |
| Kategori: | Hårdvarakylning |
| Modell: | NF-A14x25 G2 PWM Sx2-PP |
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