Nibe S2125 Installation Manual
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Nibe S2125 Installation Manual

Air/water heat pump
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IT'S IN OUR NATURE
Air/water heat pump
NIBE S2125
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.
NIBE.EU
• 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.

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Summary of Contents for Nibe S2125

  • Page 1 The NIBE S2125 has an optimised seasonal perform- ance factor*, which results in low operating costs *The NIBE S2125 has a rating of SCOP of 5.0 (Average climate, and high-performance hot water. The working area 35/55 °C) and SCOP of >4.1 (Cold climate, 35/55 °C) in accordance gives a supply temperature of up to 75°C.

  • Page 2: Installation Method

    IT'S IN OUR NATURE This is how NIBE S2125 works 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.

  • Page 3: Compatible Indoor Modules (Vvm) And Control Modules (Smo)

    IT'S IN OUR NATURE COMPATIBLE INDOOR MODULES (VVM) AND CONTROL MODULES (SMO) VVM S320 SMO S40 S2125-8 S2125-12 NIBE S2125 3...

  • Page 4: Indoor Modules

    Stainless steel, 3x230 V Part no. 069 198 Part no. 069 201 VVM S320 VVM S320 Enamel, 3x400 V Stainless steel, 3x400 V Part no. 069 206 Part no. 069 196 VVM S320 Copper, 3x400 V Part no. 069 195 4 NIBE S2125...

  • Page 5: Control Modules

    IT'S IN OUR NATURE CONTROL MODULES SMO S40 Control module Part no. 067 654 .6° ° NIBE S2125 5...

  • Page 6: Principle Of Operation

    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 S2125 Connection, heating medium in to S2125, -EB101-FL10 -EB101-QM40 -EB101-QZ2 -EB101-QM1 6 NIBE S2125...

  • Page 7: Installation And Positioning

    • Place the heat pump in a suitable location outdoors to prevent any risk of the refrigerant flowing in through Do not place S2125 directly on the lawn or other non ventilation openings, doors or similar openings in the solid surface.

  • Page 8: Supplied Components

    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.

  • Page 9: Installation Area

    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.

  • Page 10: Inspection Of The Installation

    If the heat pump is replaced, the installation must be be used. inspected again. • Route the pipe downward from S2125. Condensation water • The outlet of the condensation water pipe must be at a depth that is frost free or alternatively indoors (with trough reservation for local ordinances and regulations).
  • Page 11 Frost free Frostfritt djup depth Route the pipe downward from S2125. The condensation water pipe must have a water seal to prevent air circulation in the pipe. If none of the recommended alternatives is used good If the house has a cellar the stone caisson must be po- lead off of condensation water must be assured.

  • Page 12: Pipe Connections

    S2125, a minimum available water volume of 10 litres multiplied by the size number is recommended. E.g. S2125-12: 10 litres x 12 = 120 litres. This applies indi- vidually to heating and cooling systems. The image shows connection to the control module.

  • Page 13: Electrical Connections

    S2125 should be equipped with a separate one. (kPa) [kPa] • S2125 must be installed via an isolator switch. The cable area has to be dimensioned based on the fuse rating used. The RCD should have a nominal tripping current of no more than 30 mA.

  • Page 14: Maintenance

    When your heat pump is located outdoors some external KEEP FREE OF SNOW AND ICE maintenance is required. Insufficient maintenance can cause serious damage to S2125, which is not covered by the guarantee. Checking grilles and S2125 bottom panel on...

  • Page 15: Cleaning The Outer Casing

    Care must be exercised so that the heat pump is not scratched when cleaning. Avoid spraying water into the grilles or the sides so that water penetrates into S2125. Prevent S2125 coming into contact with alkaline cleaning agents.

  • Page 16: Control, General

    ADDITIONAL HEAT ONLY Heat production The indoor module (VVM), which is connected to S2125, can be used with the additional heat alone (electric boiler) to produce heating and hot water, for example The supply temperature of the heat pump will before the outdoor module is installed.

  • Page 17: Specification

    IT'S IN OUR NATURE NIBE SMART PRICE ADAPTION™ The display Smart Price Adaption is not available in all countries. Contact your NIBE dealer for more The indoor module (VVM) / control module information. (SMO) is controlled using a clear and easy to use display.

  • Page 18: Technical Data

    Maximum and minimum capacity during continuous Supply temperature Framledningstemperatur (°C) (°C) operation. Defrosting is not included. S2125-8 Maximal och mininimal uppvärmningseffekt S2125-8 Heating output Uppvärmningseffekt (kW) (kW) -30 -25 -20 -15 -10 -5 10 15 20 25 30 35 40 45...
  • Page 19 IT'S IN OUR NATURE Power during cooling operation Maximum and minimum capacity during continuous operation. S2125-8, -12 S2125 Maximal och mininimal kyleffekt Kyleffekt Cooling output (kW) (kW) 12,0 10,0 Utomhustemperatur Outdoor temperature (°C) (°C) Framledningstemperatur 18 °C Supply temperature 18°C Framledningstemperatur 7 °C...
  • Page 20 IT'S IN OUR NATURE Dimensions S2125 Ø52 1054 Ø40 1128 20 NIBE S2125...

  • Page 21: Sound Levels

    IT'S IN OUR NATURE Sound levels S2125 is usually placed next to a house wall, which gives a directed sound distribution that has to be taken into consideration. Accordingly, when setting up, you should always attempt to select the side that faces the least sound-sensitive neighbouring area.

  • Page 22: Technical Specifications

    0.12 – 0.48 Min. design flow, defrosting (100% pump speed) 0.32 Min./max. HM temp, continuous operation °C 26 / 75 Connection heating medium S2125 G1” external thread Connection heating medium flex pipe G1” external thread Min. recommended pipe dimension (system) DN (mm)
  • Page 23 Scale for the product’s room heating efficiency class A++ to G. Control module model SMO S Scale for the system’s room heating efficiency class A+++ to G. Control module model SMO S NIBE S2125 23...
  • Page 24 IT'S IN OUR NATURE Accessories Detailed information about the accessories and complete accessories list available at nibe.eu. Not all accessories are available on all markets. Condensation water pipe Condensation water pipe, different lengths. KVR 11-10 1 metres Part no. 067 823...
  • Page 28 This product sheet is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on current information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any factual or printing errors in this product sheet.

This manual is also suitable for:

S2125-12

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