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Nibe S2125 Installer Manual Download Page 20

Distribution box

AA2

FC1

X24

F4

F2

F1

S2

S1

X23

X22

X21

X27

F3

X2

X1

X5

X9

S3

ELECTRICAL COMPONENTS

Base card

AA2

Terminal block, incoming supply

X1

Terminal block, compressor supply

X2

Terminal block, external control voltage

X5

Terminal block, connection KVR

X9

Terminal block, Compressor blocking, Tariff

X21

Terminal block, communications

X22

Terminal block, communications

X23

Terminal block, fan

X24

Terminal block, expansion valve QN1

X27

Fuse, operating 230V~, 4A

F1

Fuse, operating 230V~, 4A

F2

Fuse for external heating cable, KVR, 250mA

F3

Fuse, fan, 4A

F4

Miniature circuit-breaker (Replaced with automatic pro-

tection (FB1) when installing accessory KVR 11.)

FC1

DIP switch, addressing heat pump during multi operation

S1

DIP switch, different options

S2

Reset button

S3

NIBE S2125

Chapter 3 | The heat pump design

20

Summary of Contents for S2125

Page 1: ...Installer manual Air water heat pump NIBE S2125 IHB EN 2212 1 631663 ...

Page 2: ......

Page 3: ...upling heating medium circuit 24 5 Electrical connections 24 General 24 Accessibility electrical connection 25 Connections 30 6 Commissioning and adjusting 30 Preparations 30 Filling and venting 30 Start up and inspection 30 Post adjustment and venting 31 Adjustment charge flow 32 7 Control 32 General 32 LED status 32 Master control 33 Control conditions 34 Control Heat pump EB101 37 8 Service 37 ...

Page 4: ...hen installing or servi cing the installation TIP This symbol indicates tips on how to facilitate us ing the product Marking Explanation of symbols that may be present on the product s label s Fire hazard Read the User Manual Read the Installer Manual Disconnect the voltage supply before starting work Dangerous voltage Serial number The serial number can be found on the rear cover and at the botto...

Page 5: ...ystem vented Particle filter Shut off and drain valve 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 Insulation for condensation water ...

Page 6: ... 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 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 NIBE S2125 Chapter 1 Important information 6 ...

Page 7: ...sing 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 transpor ted on an extended sack truck S2125 must be taken from its heaviest side and two people are required to lift S2125 LIFTFROMTHEPALLETTOFINALPOSITIONING Before lifting remove the packaging and the securing strap...

Page 8: ...l 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 inconvenience 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 ...

Page 9: ... 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 400 mm Free space in front for any future servicing 350 500 mm Free space behind At least 1 000 mm The space behind must ...

Page 10: ...ncluded 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 frost free depth 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 con densation water trough DRAINAGE OF CONDENSATION Stone caisson LEK Frostfrit...

Page 11: ...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 11 Chapter 2 Delivery and handling NIBE S2125 ...

Page 12: ...Removing the side panel and top panel Undo the screws lift off the top panel and the top insulation LEK NIBE S2125 Chapter 2 Delivery and handling 12 ...

Page 13: ...t fastens properly Place the bracket in position parallel with the outer edge Secure the bracket with a screw Use a socket wrench size 10 mm 2 Assemble the parts of the safety valve Ensure that the arrow for the outlet is pointing down as illustrated 3 Then fit the safety valve with the associated pipes The safety vale must be at an angle of 45 Fit the clip Twist the clip to ensure that it fastens...

Page 14: ...6 Fit the left hand side in the same way 7 Check that both halves of the gas separator are properly in place parallel with the edge of the heat pump 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 NIBE S2125 Chapter 2 Delivery and handling 14 ...

Page 15: ... down depending on which of the pipe connections the 90 bend is in stalled on Install the flexible pipes with a slight bend so they can absorb any vibrations that would otherwise be propagated through the building NOTE Don t forget the flat gaskets 12 Check that the venting opening is not covered with pipe insulation Pipe insulation should extend as far as the coupling and must not cover the openi...

Page 16: ...125 1x230V GQ1 AA2 UB1 BT12 EP2 XL1 BT3 XL2 HS1 XL21 BT84 QN4 RM1 1 QN2 QN1 BT17 BT14 EB10 QA40 GQ10 RA1 X6 BP9 BP1 BP2 BP8 XL20 HQ9 BT15 CA1 FQ14 NIBE S2125 Chapter 3 The heat pump design 16 The heat pump design ...

Page 17: ...S2125 3x400V GQ1 AA2 UB1 BT12 EP2 XL1 BT3 XL2 HS1 XL21 BT84 QN4 RM1 1 QN2 QN1 BT14 EB10 QA40 GQ10 RF2 RA1 BP9 BP1 BP2 BP8 XL20 HQ9 BT17 BT15 PF1 FQ14 AA13 17 Chapter 3 The heat pump design NIBE S2125 ...

Page 18: ...Serie nr Data label PZ4 BT16 PZ1 BT28 EP1 WM5 XL40 XL1 XL2 PZ3 PZ3 UB1 RM1 2 HQ8 FL2 QM20 NIBE S2125 Chapter 3 The heat pump design 18 ...

Page 19: ...r hot gas BT14 Temperature sensor fluid pipe BT15 Temperature sensor evaporator BT16 Temperature sensor suction gas BT17 Temperature sensor ambient BT28 Temperature sensor suction gas evaporator BT84 ELECTRICAL COMPONENTS Base card AA2 Triac board AA13 Capacitor 1x230V CA1 Compressor heater EB10 Temperature limiter compressor FQ14 Fan GQ1 Signal lamp LED 201 PF1 Inverter QA40 Harmonic filter 3x400...

Page 20: ...f X21 Terminal block communications X22 Terminal block communications X23 Terminal block fan X24 Terminal block expansion valve QN1 X27 Fuse operating 230V 4A F1 Fuse operating 230V 4A F2 Fuse for external heating cable KVR 250mA F3 Fuse fan 4A F4 Miniature circuit breaker Replaced with automatic pro tection FB1 when installing accessory KVR 11 FC1 DIP switch addressing heat pump during multi oper...

Page 21: ...essure transmitter BP8 High pressure sensor BP9 Temperature sensor return BT3 Temperature sensor condenser supply line BT12 Temperature sensor hot gas BT14 Temperature sensor fluid pipe BT15 Temperature sensor evaporator BT16 Temperature sensor suction gas BT17 Temperature sensor ambient BT28 Temperature sensor suction gas evaporator BT84 21 Chapter 3 The heat pump design NIBE S2125 ...

Page 22: ...urn temperature of about 65 C and an outgoing temperature of about 75 C from the heat pump S2125 is not equipped with shut off valves on the heating medium side rather these must be installed to facilitate any future servicing The return temperature is limited by the return line sensor WATER VOLUMES To avoid short operating times and to enable defrosting a certain available water volume is require...

Page 23: ...he system is to be able to work with both the climate system and the hot water heater trim valve When connecting to control module and hot water heater P XL1 XL2 The image shows connection to the control module CHARGE PUMP The charge pump not included in the product is powered and controlled from the indoor module control module It has a built in frost protection function and for this reason must ...

Page 24: ...reened cable for communication To prevent interference sensor cables to external connec tions must not be laid close to high voltage cables Connect the charge pump to the control module See where the charge pump is to be connected in the Installer Manual for your control module NOTE Electrical installation and any servicing must be carried out under the supervision of a qualified electrician Disco...

Page 25: ... 8 m of cable available Connection 1 x 230 V L1 L2 L3 PE N X1 Connection 3 x 400 V L1 L2 L3 PE N X1 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 LEK Incoming supply Connection 25 Chapter 5 Electrical connections NIBE S2125 ...

Page 26: ...alarm Com pressor blocking must be performed either on the indoor module control module or on the air water heat pump not on both simultaneously S2125 2 1 AA2 X21 Compressor blocking S2125 Placement of labels Caution These labels should only be placed on the heat pump in those cases where the heat pump has a tariff connection with an external supply voltage Two labels should be placed on S2125 The...

Page 27: ...al S2125 COMMUNICATION Software version 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 Disconnect the connections in S2125 When connecting communication to an indoor module con trol module you need to disconnect the connectors in S2125 PRESS 1 P LEK 2 3 PRESS 1 LEK 2 PRESS 1 PULL LEK 2 3 PRESS 1 PULL ...

Page 28: ...See the Installer Manual for the indoor module control module VVM S Inomhusmodul F2120 3 2 1 4 GND GND A A B B 3 2 1 4 AA2 X23 AA2 X22 12V GND B A 2 3 4 1 AA2 X30 S2125 Indoor module VVM Inomhusmodul F2120 AA3 X4 3 2 1 4 GND GND A A B GND A B B 3 2 1 4 14 13 12 11 10 15 AA2 X23 AA2 X22 S2125 Indoor module SMO 20 GND A B 3 2 1 4 F2120 X22 X2 SMO B GND A 19 20 21 S2125 Control module NIBE S2125 Chap...

Page 29: ...ons 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 dress is coded in binary NOTE Only change the DIP switches position when the product is not powered Default set ting Address com Slave DIP S1 position 1 2 3 OFF 01 Slave 1 off off off OFF 02 Slave 2 on off off OFF 03 Slave 3 o...

Page 30: ...ion 1 Communication cable must be connected 2 If cooling operation with S2125 is wanted DIP switch S1 position 4 must be changed according to the description in section Cooling 3 Turn the isolator switch on 4 Ensure that the S2125 is connected to the power source 5 Check that fuse FC1 is on 6 Reinstall the removed panels and cover 7 After the power to S2125 has been switched on and there is a comp...

Page 31: ... may be required especially for charging a sep arate water heater It is therefore recommended to have the option of adjusting the flow across the water heater using a trim valve 1 Recommendation if there is insufficient hot water and information message high condenser out during hot water charging increase the flow 2 Recommendation if there is insufficient hot water and information message high co...

Page 32: ...ter Not lit INT COM green Communication with inverter Flashes Neither defrosting nor protection is active Not lit DEFROST green Some protection is active Flashes Defrosting in progress Continuous light No errors Not lit ERROR red Info alarm temporary active Flashes Continuous alarm active Continuous light Relay in de energised position Not lit K1 K2 K3 K4 K5 Relay activated Continuous light No fun...

Page 33: ...the evaporator EP1 on S2125 must be checked which is in dicated by an alarm If de icing fan is activated in the indoor module control module de icing fan starts at the next active defrost ing De icing fan removes the build up of ice on the fan blades and the front fan grille Active defrosting 1 The four way valve shifts to defrosting 2 The fan stops and the compressor continues to run 3 When defro...

Page 34: ...lly in connection with start up of the indoor module control module This setting can be changed manually Current limitation Here you set whether the current limita tion function will be activated for the heat pump if you have S2125 230V 50Hz During active function you can limit the value of the maximum current BlockFreq 1 Here you can select a frequency range within which the heat pump is not perm...

Page 35: ...n 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 Continuous fan de icing There is the option to set recurring de icing In this case every tenth defrosting will be Fan de icing This can increase annual energy consumption 35 Cha...

Page 36: ...speeds cause noise dis turbance in the house BlockFreq 2 Here you can select a frequency range within which the heat pump is not permitted to work Defrosting Here you can change the settings that affect the defrost function Start manual defrosting Here you can manually start an active defrosting if the function needs to be tested for servicing or if necessary This can be justified together with fa...

Page 37: ...RE SENSOR DATA Return line BT3 condenser supply BT12 liquid line BT15 Voltage VDC Resistance kOhm Temperature C 3 047 56 20 10 2 889 33 02 0 2 673 20 02 10 2 399 12 51 20 2 083 8 045 30 1 752 5 306 40 1 426 3 583 50 1 136 2 467 60 0 891 1 739 70 0 691 1 246 80 Discharge sensor BT14 Voltage V Resistance kOhm Temperature C 4 81 118 7 40 4 77 96 13 45 4 72 78 30 50 4 66 64 11 55 4 59 52 76 60 4 51 43...

Page 38: ...ed Wait for at least 30 minutes and then check if the com pressor has started Alarm tripped Follow the display instructions S2125 NOT COMMUNICATING Check that S2125 is correctly installed in the indoor module VVM or the control module SMO Check that the communication cable is correctly connec ted and working LOWHOTWATERTEMPERATUREORALACKOF HOT WATER Caution The hot water is always set on the indoo...

Page 39: ...gone on for longer than 15 minutes This may be due to too little energy in the heat source too strong a wind effect on the evaporator and or that the sensor on the evaporator is not correct and therefore displays too low a temperature at cold outdoor air When the temperature on the return line sensor BT3 falls below 10 C If the temperature of the evaporator BP8 falls below its lowest permitted val...

Page 40: ... of refrigerant Lack of refrigerant 5 repeated alarms for low evaporation temperature within 4 hours Low evaporation temp 240 232 76 Blocked expansion valve Significant wind effect Poor connection between PCB and inverter Alarm 203 from heat pump for 20 seconds Communication fault to In verter 254 264 203 Inverter unpowered or broken Defective inverter Discharge sensor BT14 has come loose from its...

Page 41: ...times within 2 hours or continuously for 1 minute Phase failure 333 447 130 Incorrectly connected com pressor cable Defective inverter Compressor does not start when required 3 times within 2 hours Failed compressor starts 334 449 132 Defective compressor Disruption in supply voltage The output current from the inverter to the compressor has been temporarily too high 3 times within 2 hours or cont...

Page 42: ...le 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 067 824 KVR 11 60 6 metres Part no 067 825 NIBE S2125 Chapter 10 Accessories 42 Accessories ...

Page 43: ...Dimensions S2125 1128 1054 210 40 52 Ø52 57 118 471 37 67 1043 745 68 62 556 621 Ø40 122 174 40 52 57 118 80 471 745 68 62 556 96 122 43 Chapter 11 Technical data NIBE S2125 Technical data ...

Page 44: ...ore only be seen as guide values Sound pressure at distance m 2 Sound power1 10 9 8 7 6 5 4 3 2 1 24 25 26 27 28 5 30 32 34 5 38 44 49 Nominal sound value S2125 8 30 31 32 33 34 5 36 38 40 5 44 50 55 Max sound value 25 26 27 28 29 5 31 33 35 5 39 45 50 Max sound value silent mode 24 25 26 27 28 5 30 32 34 5 38 44 49 Nominal sound value S2125 12 34 35 36 37 38 5 40 42 44 5 48 54 59 Max sound value ...

Page 45: ...10 20 30 40 50 S2125 8 Maximal och mininimal uppvärmningseffekt Framledningstemperatur 35 C Framledningstemperatur 45 C Framledningstemperatur 55 C Utomhustemperatur C Uppvärmningseffekt kW Tyst läge framledningstemperatur 35 C Tyst läge framledningstemperatur 55 C Heating output kW Outdoor temperature C Flow line temperature 35 C Flow line temperature 45 C Flow line temperature 55 C Silent mode sup...

Page 46: ...0 0 12 0 8 0 6 0 4 0 2 0 15 20 25 30 35 40 45 Utomhustemperatur C S2125 Maximal och mininimal kyleffekt Kyleffekt kW Framledningstemperatur 18 C Framledningstemperatur 7 C Cooling output kW Supply temperature 18 C Supply temperature 7 C Outdoor temperature C NIBE S2125 Chapter 11 Technical data 46 ...

Page 47: ... C Energy rating average climate2 A A A A A A A A The product s room heating efficiency class 35 C 55 C3 A A The system s room heating efficiency class 35 C 55 C4 Electrical data 400 V 3N 50 Hz 400 V 3N 50 Hz 230 V 50 Hz 230 V 50 Hz Rated voltage 6 9 4 6 19 6 13 Arms Rated current heat pump 50 30 50 30 W Max power fan 10 6 20 16 Arms Fuse IP24 Enclosure class Refrigerant circuit R290 Type of refri...

Page 48: ...he 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 3 Scale for the product s room heating efficiency class A to G Control module model SMO S 4 Scale for the system s room heating efficiency class A to G Control module model SMO S NIBE S2125 Chapter 11 Technical d...

Page 49: ...heating energy efficiency cold cli mate 247 180 250 174 Seasonal space heating energy efficiency warm climate 49 49 dB Sound power level LWA outdoors DATA FOR ENERGY EFFICIENCY OF THE PACKAGE S2125 12 S2125 8 Model SMO S SMO S Control module model 35 55 35 55 C Temperature application VI Controller class 4 0 Controller contribution to efficiency 199 154 200 150 Seasonal space heating energy effici...

Page 50: ...2 19 COPd Tj biv kW 4 6 Pdh Tj biv 2 21 COPd Tj TOL kW 4 8 Pdh Tj TOL COPd Tj 15 C if TOL 20 C kW Pdh Tj 15 C if TOL 20 C C 10 TOL Min outdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 97 Cdh Degradation coefficient Additional heat Power consumption in modes other than active mode kW 0 0 P...

Page 51: ...Tj biv kW 7 6 Pdh Tj biv 2 11 COPd Tj TOL kW 7 6 Pdh Tj TOL COPd Tj 15 C if TOL 20 C kW Pdh Tj 15 C if TOL 20 C C 10 TOL Min outdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 97 Cdh Degradation coefficient Additional heat Power consumption in modes other than active mode kW 0 Psup Rated he...

Page 52: ... 1 X 230 V Part Specification Sheet 051219 4 Page 2 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 230 V 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051219 4 NIBE S2125 Chapter 11 Technical data 52 ...

Page 53: ...cification Sheet 051219 4 Page 3 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 230 V 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051219 4 53 Chapter 11 Technical data NIBE S2125 ...

Page 54: ...cification Sheet 051219 4 Page 4 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 230 V 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051219 4 NIBE S2125 Chapter 11 Technical data 54 ...

Page 55: ...cification Sheet 051219 4 Page 5 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 230 V 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051219 4 55 Chapter 11 Technical data NIBE S2125 ...

Page 56: ... Specification Sheet 051221 3 Page 2 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 400V 3N 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051221 3 NIBE S2125 Chapter 11 Technical data 56 ...

Page 57: ...ification Sheet 051221 3 Page 3 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 400V 3N 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051221 3 57 Chapter 11 Technical data NIBE S2125 ...

Page 58: ...ification Sheet 051221 3 Page 4 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 400V 3N 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051221 3 NIBE S2125 Chapter 11 Technical data 58 ...

Page 59: ...ification Sheet 051221 3 Page 5 5 Created 2021 10 28 14 54 PNG 2021 10 28 Production MLG 2020 01 14 400V 3N 50Hz 8 12kW 0 001 WIRING DIAGRAM S2125 ELSCHEMA S2125 051221 3 59 Chapter 11 Technical data NIBE S2125 ...

Page 60: ...t 38 Alarm list 40 Troubleshooting 38 Draining the heat pump 37 E Electrical circuit diagram 52 Electrical connections 24 Communication 27 Configuration using DIP switch 29 Connecting accessories 29 Connections 25 General 24 Power connection 25 Tariff control 26 Energy labelling 49 Data for energy efficiency of the package 49 Information sheet 49 Technical documentation 50 F Filling and venting th...

Page 61: ...e levels 44 Technical Data 45 Technical Data 45 Temperature sensor data 37 The heat pump design 16 Component locations 16 List of components 16 The heat pump s design Distribution box 20 Transport 7 Troubleshooting 38 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...

Page 62: ......

Page 63: ...ibe fi NORWAY NETHERLANDS GREAT BRITAIN ABK Qviller AS Brobekkveien 80 0582 Oslo Tel 47 23 17 05 20 post abkqviller no nibe no NIBE Energietechniek B V Energieweg 31 4906 CG Oosterhout Tel 31 0 168 47 77 22 info nibenl nl nibenl nl NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way S41 9QG Chesterfield Tel 44 0 330 311 2201 info nibe co uk nibe co uk SWEDEN RUSSIA POLAND NIBE Energy Systems...

Page 64: ...tems 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 2022 NIBE ENERGY SYSTEMS 631663 WS name Gemensamt WS version a951 WS release date 2022 02 02 08 50 Publish date 2022 04 20 10 46 ...

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