Nibe S2125 Manuale utente
NIBE S2125 is an intelligent, inverter-controlled
air/water pump. With NIBE indoor modules, it forms
a very efficient climate system for your home. NIBE
S2125 provides optimised savings as it automatically
adapts to your home’s output requirements all year
around.
The NIBE S2125 has an optimised seasonal perform-
ance factor*, which results in low operating costs
and high-performance hot water. The working area
gives a supply temperature of up to 75°C. At an
outdoor temperature down towards –25°C, it still
delivers up to 65°C, while the noise level stays low.
Available in two power sizes, 8 and 12.
Together with the NIBE S-series indoor module with
built-in wifi connection and the possibility of wireless
accessories, the S-series is a natural part of your
connected home. Smart technology adjusts the in-
door climate automatically while you’re in complete
control from your phone or tablet. Giving high com-
fort and low energy consumption, while doing nature
a favour at the same time.
• Optimised seasonal performance factor* and low
operating costs.
• Working range up to 75°C supply temperature and
65°C at an outdoor temperature of –25°C.
• New design for low noise level.
*The NIBE S2125 has a rating of SCOP of 5.0 (Average climate,
35/55 °C) and SCOP of >4.1 (Cold climate, 35/55 °C) in accordance
with European standard EN 14825:2018, i.e. the standard for de-
termining the reference seasonal effect level, SCOP. Applies to
S2125 -8 and -12.
IT'S IN OUR NATURE NIBE.EU
Air/water heat pump
NIBE S2125
Installation method
S2125 – a part of your climate system where S2125 is
intended to be combined with one of the indoor modules
VVM or the control modules SMO.
Together with an indoor module, S2125 creates a com-
plete heating/cooling and hot water unit. Our flexible
indoor modules provide efficient heating and high hot
water performance. VVM indoor modules are complete
with a smart and user-friendly control system, hot water
heater, additional heat, self-regulating circulation pump,
etc.
The control modules, SMO, offer a flexible system
solution that can be easily customised. For systems
with SMO, different components such as water heaters,
additional heat and other accessories can be selected
to suit the installation’s requirements.
There is a wide range of system solutions and accessor-
ies for NIBE's indoor modules and control modules.
2 NIBE S2125
IT'S IN OUR NATURE
This is how NIBE S2125 works
COMPATIBLE INDOOR MODULES (VVM) AND CONTROL MODULES (SMO)
SMO S40VVM S320
XXS2125-8
XXS2125-12
NIBE S2125 3
IT'S IN OUR NATURE
INDOOR MODULES
UN
VVM S320
Stainless steel, 3x230 V
Part no. 069 201
VVM S320
Stainless steel, 1x230 V
Part no. 069 198
VVM S320
Stainless steel, 3x400 V
Part no. 069 196
VVM S320
Enamel, 3x400 V
Part no. 069 206
VVM S320
Copper, 3x400 V
Part no. 069 195
4 NIBE S2125
IT'S IN OUR NATURE
.6°
°
UN
NIBE S2125 5
IT'S IN OUR NATURE
CONTROL MODULES
SMO S40
Control module
Part no. 067 654
Principle of operation
Principle of operation with hot water and a heating sys-
tem.
The heating medium side and the domestic hot water
side must be fitted with the necessary safety equipment
in accordance with the applicable regulations.
SYMBOL KEY
MeaningSymbol
Shut-off valve
Tapping valve
Non-return valve
Circulation pump
Expansion vessel
Filterball
Pressure gauge
Safety valve
Trim valve
Reversing valve/shunt
Control module
Air/water heat pump
Radiator system
Domestic hot water
Water heater
EXPLANATION
Connection, heating medium out of S2125XL1
Connection, heating medium in to S2125,XL2
-EB101-QM40
-EB101-QZ2
-EB101-QM1
-EB101-FL10
XL1
XL2
6 NIBE S2125
IT'S IN OUR NATURE
Transport
S2125 must be transported and stored vertically.
Ensure that the heat pump cannot fall over during
transport.
Check that the heat pump has not been damaged during
transport.
Installation and
positioning
• Place the heat pump in a suitable location outdoors
to prevent any risk of the refrigerant flowing in through
ventilation openings, doors or similar openings in the
event of a leak. It must also not constitute a hazard
to people or property in any other way.
• If the heat pump is placed in a location where any re-
frigerant leak could accumulate, for example below
ground level (in a dip or low-lying recess), the installa-
tion must satisfy the same requirements that apply
for gas detection and the ventilation of engineering
rooms. Requirements regarding sources of ignition
must be applied where appropriate.
• Place S2125 outdoors on a solid level base that can
take the weight, preferably a concrete foundation. If
concrete slabs are used they must rest on asphalt or
shingle.
• The lower edge of the evaporator must not be lower
than the level of the average local snow depth. The
base should be at least 70 mm tall.
•S2125 should not be positioned next to noise-sensitive
walls, for example, next to a bedroom.
• Also ensure that the placement does not inconveni-
ence the neighbours.
• S2125 must not be placed so that recirculation of the
outdoor air is possible. Recirculation entails reduced
power and impaired efficiency.
• The evaporator must be sheltered from direct wind / ,
which negatively affects the defrosting function. Place
S2125 protected from wind / against the evaporator.
•Small amounts of condensation water, as well as melt
water from defrosting, may be produced. Condensa-
tion water must be led off to a drain or equivalent.
• Care must be exercised so that the heat pump is not
scratched during installation.
LEK
S2125
LEK
S2125
LEK
S2125
min 300 mm
min
70 mm
Do not place S2125 directly on the lawn or other non
solid surface.
If there is a risk of snow slip from roof, a protective roof
or cover must be erected to protect the heat pump,
pipes and wiring.
NIBE S2125 7
IT'S IN OUR NATURE
Good to know about
NIBE S2125
LIFT FROM THE STREET TO THE SET UP
LOCATION
If the base allows, the simplest thing is to use a pallet
truck to move the S2125 to the set up location.
The centre of gravity is offset to one side (see print on
the packaging).
LEK
C:a 180 kg
Approx. 180 kg
If S2125 needs to be transported across soft ground,
such as a lawn, we recommend using a crane truck that
can lift it to the installation location. When S2125 is lifted
with a crane, the packaging must be untouched.
If a crane vehicle cannot be used the S2125 can be
transported on an extended sack truck. S2125 must be
taken from its heaviest side and two people are required
to lift S2125.
LIFT FROM THE PALLET TO FINAL
POSITIONING
Before lifting remove the packaging and the securing
strap to the pallet.
Place lifting straps around each machine foot. Lifting
from the pallet to the base requires four persons, one
for each lifting strap.
Supplied components
Local differences in the enclosed kit may occur. See
relevant installer manual for more information.
1 x automatic gas separat-
or
2 x flexible pipes (DN25,
G1") with 4 x gaskets
1 x non-return valve
8 NIBE S2125
IT'S IN OUR NATURE
Installation area
The distance between S2125 and the house wall must
be at least 350 mm, but not more than 500 mm in loca-
tions that are exposed to the wind. The free space above
S2125 must be at least 1,000 mm. The free space in
front must be at least 1,000 mm for any future servicing.
350 mm
Fritt utrymme bakom
Fritt utrymme framför
dock 1000 mm för ev. framtida service
Min. avstånd
vid användning
av flera F2300
600 mm
1000 mm
400 mm
Minimalt
fritt utrymme
600mm
Minimalt
fritt utrymme
Minimum free
space Minimum free space
Minimum distance during use
of several S2125
600 mm
600 mm
At least 1,000
mm
400 mm
Free space in front for any future servicing
350 – 500 mm Free space behind*
* The space behind must not exceed 500 mm in locations that are
exposed to the wind.
NIBE S2125 9
IT'S IN OUR NATURE
Inspection of the
installation
Current regulations require the heating installation to be
inspected before it is commissioned. The inspection
must be carried out by a suitably qualified person and
should be documented. The above applies to closed
heating systems.
If the heat pump is replaced, the installation must be
inspected again.
Condensation water
trough
The condensate drain pan collects and leads away the
condensation water.
It is important for the heat pump’s function that the
condensation water is led away and that the outlet for
the condensation water pipe is positioned so as to pre-
vent damage to the building. Condensation run-off
should be checked regularly, especially during the au-
tumn. Clean if necessary.
Pipe with heating cable for draining the condensate drip
tray is not included. To ensure the function, the access-
ory KVR 11 should be used.
• The condensation water (up to 50 litres/24 hrs) that
collects in the trough should be routed away by a pipe
to an appropriate drain, it is recommended that the
shortest outdoor stretch possible is used.
• The section of the pipe that can be affected by frost
must be heated by the heating cable to prevent
freezing.
Pipe with heating cable for draining the condensation
water trough is not included.
To ensure the function, the accessory KVR 11 should
be used.
• Route the pipe downward from S2125.
• The outlet of the condensation water pipe must be at
a depth that is frost free or alternatively indoors (with
reservation for local ordinances and regulations).
• Use a water trap for installations where air circulation
may occur in the condensation water pipe.
• The insulation must seal against the bottom of the
condensation water trough.
10 NIBE S2125
IT'S IN OUR NATURE
Installation
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5
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