Nibe S2125 Installer Manual
  1. Manuals
  2. Brands
  3. Nibe Manuals
  4. Heat Pump
  5. S2125
  6. Installer manual

Nibe S2125 Installer Manual

Air/water heat pump
Hide thumbs Also See for S2125:
Table of Contents

Advertisement

Quick Links

Installer manual
Air/water heat pump
NIBE S2125
IHB EN 2212-1
631663

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the S2125 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Nibe S2125

Summary of Contents for Nibe S2125

  • Page 1 Installer manual Air/water heat pump NIBE S2125 IHB EN 2212-1 631663...

  • Page 3: Table Of Contents

    Pipe coupling heating medium circuit 5 Electrical connections General Accessibility, electrical connection Connections 6 Commissioning and adjusting Preparations Filling and venting Start-up and inspection Post adjustment and venting Adjustment, charge flow 7 Control General LED status Master control NIBE S2125 Table of Contents...

  • Page 4: Important Information

    Explanation of symbols that may be present on the product’s servicing and support. label(s). Fire hazard! Read the User Manual. Read the Installer Manual. Disconnect the voltage supply before starting work. Dangerous voltage. Chapter 1 | Important information NIBE S2125...

  • Page 5: Inspection Of The Installation

    Charge flow set Electricity (page 24) Fuses property Safety breaker Earth circuit-breaker Heating cable type/effect Fuse size, heating cable (F3) Communication cable connected S2125 addressed (only when cascade connec- tion) Cooling permitted Connections Main voltage Phase voltage Miscellaneous Condensation water pipe...

  • Page 6: Compatible Indoor Modules (Vvm) And Control Modules (Smo)

    Copper, 3x400 V Part no. 069 195 Control module SMO S40 Control module Part no. 067 654 SMO 20 Control module Part no. 067 224 SMO 40 Control module Part no. 067 225 Chapter 1 | Important information NIBE S2125...

  • Page 7: Delivery And Handling

    When S2125 is lifted with a crane, the packaging must be untouched. If a crane vehicle cannot be used the S2125 can be transpor- ted on an extended sack truck. S2125 must be taken from its heaviest side and two people are required to lift S2125.

  • Page 8: Assembly

    Care must be exercised so that the heat pump is not scratched during installation. S2125 S2125 S2125 min 300 mm 70 mm Do not place S2125 directly on the lawn or other non solid surface. Chapter 2 | Delivery and handling NIBE S2125...
  • Page 9 INSTALLATION AREA The distance between S2125 and the house wall must be at least 350 mm, but not more than 500 mm in locations 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: Condensation

    Otherwise the stone caisson can be positioned directly under the heat pump. To ensure the function, the accessory KVR 11 should be used. Gutter drainage • Route the pipe downward from S2125. • The outlet of the condensation water pipe must be at frost free depth. S2125 •...

  • Page 11: Supplied Components

    1 x filterball (G1") (QZ2) 1 x flexible pipe with bend (WN1) 1 x flexible pipe (WN2) (Dimensions, flexible pipes DN25, G1") 4 x gaskets 1 x non-return valve (RM1.2) 1 x automatic gas separator (HQ8) NIBE S2125 Chapter 2 | Delivery and handling...

  • Page 12: Removing The Side Panel And Top Panel

    Removing the side panel and top panel Undo the screws, lift off the top panel and the top insulation. Chapter 2 | Delivery and handling NIBE S2125...

  • Page 13: Installation Of Automatic Gas Separator

    4. Install the non-return valve. Fit the clip. Twist the clip to ensure that it fastens properly. Assemble the parts of the safety valve. Ensure that the arrow for the outlet is pointing down, as illustrated. NIBE S2125 Chapter 2 | Delivery and handling...
  • Page 14 6. Fit the left-hand side in the same way. 8. Fit the cover. Secure with three screws. Two screws in the lid, on the right and left-hand sides, and one screw in the bottom. Chapter 2 | Delivery and handling NIBE S2125...
  • Page 15 11. Screw the flexible pipes into place. The flexible pipes can be installed angled straight back or down, depending on which of the pipe connections the 90° bend is in- NIBE S2125 Chapter 2 | Delivery and handling...

  • Page 16: The Heat Pump Design

    The heat pump design General S2125 (1x230V) BT84 BT12 RM1.1 QA40 FQ14 GQ10 BT14 EB10 XL20 XL21 BT15 BT17 Chapter 3 | The heat pump design NIBE S2125...
  • Page 17 S2125 (3x400V) BT84 BT12 RM1.1 AA13 QA40 FQ14 GQ10 BT14 EB10 XL20 XL21 BT15 BT17 NIBE S2125 Chapter 3 | The heat pump design...
  • Page 18 BT28 D at a la be QM20 BT16 XL40 S e ri e n r. RM1.2 Chapter 3 | The heat pump design NIBE S2125...
  • Page 19 PIPE CONNECTIONS MISCELLANEOUS Heating medium connection, supply (from S2125) Type plate Heating medium connection, return (to S2125) Serial number XL20 Service connection, high pressure Sign, pipe connections XL21 Service connection, low pressure Cable gland, incoming supply XL40 Connection, drain condensation water trough Designations according to standard EN 81346-2.

  • Page 20: Distribution Box

    Fuse for external heating cable, KVR, 250mA Fuse, fan, 4A Miniature circuit-breaker (Replaced with automatic pro- tection (FB1) when installing accessory KVR 11.) DIP switch, addressing heat pump during multi operation DIP switch, different options Reset button Chapter 3 | The heat pump design NIBE S2125...

  • Page 21: Sensor Placement

    Temperature sensor, ambient BT84 Temperature sensor, suction gas, evaporator Pressure sensor Sensors BT28 BT28 2 3 4 1 2 3 4 BT12 BT12 BT16 BT16 BT14 BT14 BT15 BT15 BT17 BT17 BT84 BT84 NIBE S2125 Chapter 3 | The heat pump design...

  • Page 22: Pipe Connections

    Water heater An undersized system can result in damage to the product and lead to malfunctions. S2125 can only operate up to a return temperature of about 65 °C and an outgoing temperature of about 75 °C from the heat pump.

  • Page 23: Pipe Coupling Heating Medium Circuit

    "Compatible indoor modules (VVM) and control modules PRESSURE DROP, HEATING MEDIUM SIDE (SMO)". The diagram shows the pressure drop on the heating medi- um side, including the gas separator. Caution Tryckfall S2125 Pressure drop Tryckfall There is a difference between connection to a (kPa) [kPa] control module compared with connection to an indoor module.

  • Page 24: Electrical Connections

    Do not start the system before filling up with wa- ter. Components in the system could be damaged. • If the building is equipped with an RCD, S2125 must be equipped with a separate one. Accessibility, electrical •...

  • Page 25: Connections

    At installation, install the screwed connection on the rear of the heat pump. The part of the screwed joint that tensions the cable must be tightened to a tightening torque above 3.5Nm. Incoming supply Connection NIBE S2125 Chapter 5 | Electrical connections...
  • Page 26 Two labels should be placed on S2125. The labels are en- If the control is to be powered separately from other com- closed with the manuals.
  • Page 27 When connecting external control voltage, remove the Software version bridges from terminal block X5 (see image). In order for S2125 to be able to communicate with indoor module (VVM)/control module (SMO), you may need to up- date to a more recent software version.
  • Page 28 Connection to indoor module/control module SMO 20 S2125 communicates with NIBE indoor modules/control S2125 F2120 modules via a screened three-core cable (max area 0.75 mm²) to terminal block X22:1–4. For connection in the indoor module/control module: See the Installer Manual for the indoor module/control module.
  • Page 29 S1 is used for configuration of address and functions. For cascade operation with SMO for example, addressing is required. S2125 has the address 1 as standard. In a cascade connection all S2125 must have a unique address. The ad-...

  • Page 30: Commissioning And Adjusting

    3. Turn the isolator switch on. NOTE 4. Ensure that the S2125 is connected to the power source. Do not start S2125 if there is a risk that the water 5. Check that fuse (FC1) is on. in the system has frozen.

  • Page 31: Adjustment, Charge Flow

    For correct function of the heat pump over the entire year, the charge flow must be correctly adjusted. If an NIBE indoor module VVM or accessory controlled charge pump is used for the control module SMO, the control tries to maintain an optimal flow across the heat pump.

  • Page 32: Control

    (red) Continuous Capacitor connected light values from S2125 are adjusted and read off on the indoor module/control module. Master control Caution To control S2125, a NIBE indoor module/control module is required, which calls upon S2125 according to demand. All The main product’s software must be the latest...

  • Page 33: Control Conditions

    6. The ambient temperature is locked and the high return evaporator (EP1) on S2125 must be checked, which is in- temperature alarm is blocked for two minutes after de- dicated by an alarm.

  • Page 34: Control - Heat Pump Eb101

    This can also be used to accelerate the start Max. current of "fan de-icing". Setting range S2125 1 x 230 V: 6 – 32 A Start temperature for defrost function: Here, you set the blockFreq 1 temperature (BT16) at which the defrost function will start.
  • Page 35 This can be activated if ice/snow sticks to the fan, grille or fan cone, which may be noticed due to abnormal fan noise from S2125. "Fan de-icing" means that the fan, grille and fan cone are heated using hot air from the evaporator (EP1).
  • Page 36 S2125 possibly may not reach its dimensioned output. Detect compressor phase: This shows in which the phase the heat pump has detected whether you have S2125 230V~50Hz. Phase detection normally occurs automatically in connection with start-up of the indoor module/control module.

  • Page 37: Service

    36.26 4.43 DRAINING THE CONDENSER 30.27 4.33 In the event of a prolonged power failure or similar, for ex- 25.38 4.22 ample, the condenser in S2125 may need to be drained of 21.37 4.10 water. 18.07 3.97 15.33 3.83 NOTE 13.06...

  • Page 38: Disturbances In Comfort

    Incorrect settings in indoor module or control module. iters. – See the Installer Manual for the indoor module/control • That the air flow to S2125 is not blocked by foreign objects. module. • That S2125 does not have any external damage. •...
  • Page 39 10 °C. • If the temperature of the evaporator (BP8) falls below its lowest permitted value. After failing to defrost ten times, S2125 must be checked. This is indicated by an alarm. NIBE S2125 Chapter 9 | Disturbances in comfort...

  • Page 40: Alarm List

    Poor system pressure. 400 (207) Unspecified faults Initiation fault, inverter. The inverter is not compatible 400 (209) The inverter is not compatible 400 (211) Configuration file missing. 400 (213) Charge error configuration. Chapter 9 | Disturbances in comfort NIBE S2125...
  • Page 41 Incorrect PCBA in heat pump. The heat pump has the wrong base board. The base board has been replaced Change to a new PCBA suit- with a base board for F2120. able for S2125. NIBE S2125 Chapter 9 | Disturbances in comfort...

  • Page 42: Accessories

    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 KVR 11-30 3 metres Part no.

  • Page 43: Technical Data

    Technical data Dimensions S2125 Ø52 1054 Ø40 1128 NIBE S2125 Chapter 11 | Technical data...

  • Page 44: Sound Levels

    Sound levels S2125 is usually placed next to a house wall, which gives a directed sound distribution that has to be taken into consid- eration. Accordingly, when setting up, you should always attempt to select the side that faces the least sound-sens- itive neighbouring area.

  • Page 45: Technical Specifications

    Technical specifications POWER DURING HEATING OPERATION Maximum and minimum capacity during continuous opera- WORKING RANGE, HEATING tion. Defrosting is not included. Supply temperature S2125-8 Maximal och mininimal uppvärmningseffekt S2125-8 Framledningstemperatur (°C) (°C) Heating output Uppvärmningseffekt (kW) (kW) -30 -25 -20 -15 -10 -5 0...
  • Page 46 POWER DURING COOLING OPERATION Maximum and minimum capacity during continuous opera- tion. 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 Supply temperature 7°C...
  • Page 47 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 48 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 Chapter 11 | Technical data NIBE S2125...

  • Page 49: Energy Labelling

    The reported efficiency of the package also takes the controller into account. If an external supplementary boiler or solar heating is added to the package, the overall efficiency of the package should be recalculated. NIBE S2125 Chapter 11 | Technical data...
  • Page 50 - / 49 Nominal heating medium flow Annual energy consumption 2,939 Brine flow brine-water or water-water heat pumps Contact information NIBE Energy Systems – Box 14 – Hannabadsvägen 5 – 285 21 Markaryd – Sweden Chapter 11 | Technical data NIBE S2125...
  • Page 51 - / 49 Nominal heating medium flow Annual energy consumption 4,102 Brine flow brine-water or water-water heat pumps Contact information NIBE Energy Systems – Box 14 – Hannabadsvägen 5 – 285 21 Markaryd – Sweden NIBE S2125 Chapter 11 | Technical data...

  • Page 52: Electrical Circuit Diagram

    Electrical circuit diagram 1 X 230 V Chapter 11 | Technical data NIBE S2125...
  • Page 53 NIBE S2125 Chapter 11 | Technical data...
  • Page 54 Chapter 11 | Technical data NIBE S2125...
  • Page 55 NIBE S2125 Chapter 11 | Technical data...
  • Page 56 3 X 400 V Chapter 11 | Technical data NIBE S2125...
  • Page 57 NIBE S2125 Chapter 11 | Technical data...
  • Page 58 Chapter 11 | Technical data NIBE S2125...
  • Page 59 NIBE S2125 Chapter 11 | Technical data...

  • Page 60: Item Register

    Symbol key, 22 LED status, 32 Control conditions, 33 Control conditions defrosting, 33 Large amount of water below S2125, 39 Control - Heat pump EB101, 34 LED status, 32 Control – Heat pump EB101 Low hot water temperature or no hot water, 38 Heat pump settings –...
  • Page 61 Basic actions, 38 High room temperature, 38 Ice build-up in the fan, grille and/or fan cone, 38 Large amount of water below S2125, 39 Low hot water temperature or no hot water, 38 Low room temperature, 38 S2125 does not start, 38...

  • Page 63: Contact Information

    Tel: +46 (0)433-27 3000 info@evan.ru info@nibe.se nibe-evan.ru nibe.se SWITZERLAND NIBE Wärmetechnik c/o ait Schweiz AG Industriepark, CH-6246 Altishofen Tel. +41 (0)58 252 21 00 info@nibe.ch nibe.ch For countries not mentioned in this list, contact NIBE Sweden or check nibe.eu for more information.
  • Page 64 WS release date: 2022-02-02 08:50 Publish date: 2022-04-20 10:46 This is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on the available information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any factual or printing errors in this publication.

This manual is also suitable for:

S2125-8S2125-12

Table of Contents