Installer manual
Contents
1. JOSS3J WOJ ZHO5 IVNE A007 Chapter 11 48 71 055 m 92021 va MXOL 9 A00 7XE M am Wava nam AT lt gt VE Z 10001 use d z Papag paS PUS EN 9 5 V3d JajeeH 1 3 Wad JUS 7 UP auo JajeoH eJidiJg 252 Xue JUX ANTEN OLX N A J gt lt 1 YN E 1 M ee SK SK Sk I ug PAZ EA SEN 1V5 0 49 Chapter 11 T due a2ueiguv gz g dwa JajeJodeA3 9 19 dua aur Addns 2118 dwa seb JOH 18 dua eur pim 5418 dua seb 4419 dwa aur uunjay 19 aJnssaJd uBIH d8 aunssaud MO Zdg 5S E ZW L PEJ amp s ES a Jno Ina e X WX SX I LWX ESSI ro ES alg s18 Lld LLIg 71 057 voyea2. Installer manual NIBETM F2026 Air water heat pump IHB GB 1244 2 031865 Table of Contents 1 Important information Safety information NON 2 Delivery and handling Transport and storage Assembly Supplied components Removing the covers ui Ui 3 The heat pump design General Electrical cabinets 4 Pipe connections General Pipe coupling heating medium circuit Pressure drop heating medium side Docking alternatives 5 Electrical connections General Connections Optional connections Connecting accessories 6 Commissioning and adjusting Preparations Filling and venting the heating medium sys tem Balance temperature Stop temperature NIBETM F2026 12 12 12 13 14 23 23 24 26 27 __ 28 28 28 28 28 Soft starter 28 Compressor heater 28 Collar heater 28 Phase seguence control 28 Start up and inspection 29 Readjusting heating medium side ________ 29 Adjustment charge flow 30 Control Introduction ______ 31 General 31 Navigation 31 Display explanation 32 Control conditions 33 Control Channels 35 Status channels 35 Temperature channels 35 Setting channels 35 Disturbances in comfort 37 Troubleshooting 37 10 Accessories 41 11 Technical data 42 Dimensions and setting out coordinates A2 Sound pressure levels 43 Technical spec
3. the phase sequence the heat pump receives an alarm 07 in channel S1 and the LED flashes NOTE Check the phase seguence when starting NIBETM F2026 Start up and inspection 1 10 12 13 14 15 Communication cable or thermostat terminal block X5 must not be connected Turn the isolator switch on Ensure that the F2026 is connected to the power source Check that the automatic protection FB1 is on Check that the motor circuit breaker FC 1 is on Check that the LED on phase seguence sensor BA1 lights red The compressor heater EB10 must have been oper ational for at least 6 8 hours before the compressor start can be initiated This is done by switching on the control voltage and disconnecting the communic ations cable or thermostat The display on the control card AA21 shows CO CC FO H1 H3 depending on the ambient temperature During this period the compressor is heated to in crease the service life The communication cable or external thermostat is connected after 6 8 hours See section Thermostat control electrical connection chapter Restart any NIBE SMO 05 5 10 or NIBE indoor module See information in relevant manual on www nibe eu Once the connection is made the compressor starts after approx 20 minutes if needed Adjust the charge flow according to the diagram see the section Adjustment charge flow Adjust the menu settings if necessary Fill in the comm
4. 101 i i A 1 QM4O RM1 RN11 an gt U gt lt FH gt BE FE HH 1 BE FE HH wi COP HQ1 RN10 gt D SMO 05 master is a simple control module that together with F2026 slave a hot water heater and an extra heat source create a complete installation F2026 works with floating condensing against the heating system and prioritises hot water charging via the three way valve NOTE When cable routing sensor cables and commu nication cables must be separated min 20 cm from high voltage cables to prevent interference 18 Chapter 4 Pipe connections NIBETM F2026 F2026 docked to the electric oil fired pellet boiler together with SMO 10 and water heater AA25 floating condensing 19 AA25 BT3 E 1 1 I hot water is heated using the immersion heater in the hot water heater N nication cables must be separated min 20 cm Chapter 4 Pipe connections When cable routing sensor cables and commu from high voltage cables to prevent interference When additional heat is engaged NOTE AA25 BT RM1 gt lt V OM40i DG QM1 A EP5 Oljepanna alternativt elpanna med shunt
5. C Minimum time period in minutes between compressor starts The value is adjustable between 20 and 60 minutes Factory setting 20 minutes Balance temperature the set ambient temperature when the additional relay can be activated from channel A6 without affecting compressor operations Additional heat relay is activated first after the set time on channel The value is adjustable between 15 and 10 C Factory setting is 0 C Continuous operating time with the compressor before additional heat is permitted The value is adjustable between 1 and 120 minutes Factory setting 120 minutes Stop temperature the set ambient temperature value when the downtime relay is activated F2026 stops When the stop temperature is set between 0 and 20 C the flow temperature is limited linearly to 7 C 58 C to 20 C 50 C see diagram on 45 Factory setting is 20 C Minimum running time heat production before new defrosting is permitted The value is adjustable between 10 and 90 minutes Factory setting according to the table below Type Minutes 6 kw 60 8 kw 50 10 kw 45 Start temperature for permitted defrosting evaporator sensor The value is adjustable between 1 and 5 C Factory setting 1 C A10Stop temperature for defrosting evaporator sensor The value is adjustable between 10 and 40 C Factory setting 10 C A11Longest permitted defrosting time The value is ad justable between 5 an
6. F2026 inaoor EE E n module ul I I For connection of indoor module see relevant manual on www nibe eu External indication of main alarm F2026 is eguipped with a contact for external indication of common alarms The function becomes active with all types of existing alarms Max load on the relay contact is250V 2A The connection for external indication of common alarms is made to terminal block X6 7 to 9 as illustrated below External F2026 Ole 0 COM Common alarm wo Ko Connecting Instructions for connecting accessories in the installa tion instructions provided for the respective accessory See page 41 for the list of the accessories that can be used with F2026 Chapter 5 Electrical connections 27 28 6 Commissioning and adjusting Preparations Before commissioning check that the heating circuit is filled and well vented Check the pipe system for leaks Filling and venting the heating medium system 1 The heating medium system is filled with water to the required pressure 2 Vent the system using the venting nipple on the en closed flexible hose and possibly the circulation pump 4 Venting nipple Balance temperature The balance temperature is the outdoor temperature when the heat pump s state
7. 2 9 29 bar Difference pressostat HP MPa 0 7 7 bar Cut out value pressostat LP MPa 0 03 0 3 bar Difference pressostat LP MPa 0 07 0 7 bar Brine Airflow m3 h 1500 1700 2000 1700 2000 Max Min air temp 20 35 Defrosting system hot gas defrosting Heating medium Min Max system pressure heating medium MPa 0 05 0 3 0 5 3 bar Nominal flow Min flow at defrosting l s 0 16 0 20 0 25 Internal pressure drop at nominal flow kPa 1 3 1 5 2 2 Max Min heating medium temp continuous operation C 58 20 Connection heating medium ext thread mm G1 28 mm Dimensions and weight Width mm 1200 Chapter 11 Technical data NIBETM F2026 3x400V 6 8 10 Depth mm 520 Height with stand mm 1095 Weight excl packaging kg 146 148 149 Miscellaneous Enclosure class IP 24 Colour dark grey Part No 064 084 064 085 064 086 1 Ouoted outputs refer to compressor fan and control at nominal dips that could affect other eguipment in unfavourable conditions heating medium flow During operation that reguires defrosting If the impedance in the mains connection point is higher than that the relationship between input and output is reduced by about stated it is possible that interference will occur If the impedance in 1090 the mains connection Pomi is higher than that stated check with 2 Max permitted impedance in the mains connected point in accord the power
8. 40 0 50 0 60 070 11 5 Heat insulation NIBETM F2026 Chapter 4 Pipe connections 14 Docking alternatives F2026 can be installed in several different ways The re guisite safety eguipment must be installed in accordance with current regulations for all docked options See www nibe eu for more docking options When docking with F2026 a minimum available system volume of at least 20 litres per KW output on the heat pump is recommended Explanation AA25 Control unit Indoor module SMO 05 SMO10 Control centre AA4 Display unit BT1 Outside sensor BT2 Temperature sensor heating medium flow BT3 Temperature sensor heating medium return BT6 Temperature sensor hot water charging BT25 Supply line sensor external BT50 Room sensor ON10 Reversing valve Hot water Heating medium ON11 Mixing valve addition CL11 Pool kit BT51 Temperature sensor pool EP5 Exchanger pool GP9 Pool pump HQ3 Particle filter QN19 Three way valve pool RN10 Trim valve EB15 Indoor module EVP 270 VVM 300 VVM 500 AA25 Control box BT1 Outside sensor BT2 Temperature sensor heating medium flow BT6 Temperature sensor hot water charging BT24 Docking sensor BT52 Boiler sensor CM1 Expansion vessel closed heating medium EB20 Immersion heater FL1 Safety valve water heater FL2 Safety valve boiler FL10 Safety valve heat pump FQ1 Mixer valve hot water GP10 Circu
9. is used to activate and confirm value changes o o See the section Control Channel descrip tion To modify a value first press the Enter button to activate modification mode the value flashes Adjust the value as reguired using the Plus button or Minus button Holding the Plus button or Minus button in for about 3 seconds speeds up the change in value Then confirm using the Enter button The value will stop flashing The instructions are divided into three parts status tem peratures and adjustable values Ouick movement between the different types is carried out by pressing the enter button when STATUS TEMP or ADJUST are displayed Chapter 7 Control Introduction 31 32 Display explanation CO FO HO S1 01 Compressor Shows the present compressor status Compressor off circulation pump off C Flashes when the compressor wants to start but is prevented by the time conditions or high return temperature C1 Compressor on circulation pump on CC Compressor off circulation pump on CD Defrosting in progress Fan F The fan has two speeds high or low does not apply to F2026 6 kW that only have one fan speed The fan is controlled by the ambient temperature The lower speed is used when the ambient temperature is too high to limit the output The fan does not run during defrosting At an ambient temperature lower than the temperature in the table below the fan speed is changed
10. medium circuit 22026 can be connected directly to the heating system see the section Docking or according to one of the system solutions that can be downloaded from the website www nibe eu The heat pump must be vented by the upper connec tion XL1 HM out using the venting nipple on the enclosed flexible hose Install the supplied particle filter HO1 before the in let i e the lower connection XL2 HM in on F2026 All outdoor pipes must be thermally insulated with at least 19mm thick pipe insulation Install shutoff OM40 and drain QM1 valves so that F2026 can be emptied in the event of prolonged power failures The supplied flexible hoses act as vibration dampers The flexible hoses are fitted so a slight bend is created thus acting as vibration damping Charge pump NOTE A The charge pump must be operational even if F2026 is not running to prevent damage due to freezing The charge pump can also be controlled directly from F2026 terminal X3 which takes the outdoor temperat Chapter 4 Pipe connections ure into consideration Alternatively the heat pump is connected to an intermediate circuit with a heat ex changer pump and water with anti freeze does not apply to docking with VVM 300 VVM 500 NIBETM F2026 Pressure drop heating medium side F2026 6 8 10 Pressure drop kPa i 6kW 8 10 kW 8 7 Flow 0 0 10 0 20 0 30 0
11. thermostats addition al heat common alarms and downtime do not apply when F2026 is controlled by SMO 05 5 10 or NIBE indoor module Thermostat control You can use a basic thermostat or a closing potential free contact to switch the compressor on and off This ther mostat should be of the breaking type NC when the set temperature has been reached The contactor should be potential free Connect the thermostat to terminal block X5 2 and 5 as illustrated below External F2026 ce LE Thermostat Additional heat Downtime EE ET E ES 2 aa I 22026 is equipped with a potential free contactor inten ded for additional heat Max 250V 2A The setting of the ambient temperature balance temper ature when the additional relay is activated is made on channel A5 see the section Control Channel descrip tion External additional heat is connected via the additional relay terminal block X6 1 to 3 Conditions for connecting additional heat The ambient temperature should be lower than the set balance temperature channel A5 The compressor must have been operating for the minimum period that can be set in channel A6 De frosting is included in this time If the ambient temperature drops down to a level below the set value stop temperature downtime in channel A7 compressor operations a
12. uu EB101 If F2026 cannot meet the heating requirement the addi F2026 works with floating condensing against the heating tional heat is started and is shunted in system and prioritises hot water charging via the three slaves additional heater circulation pumps shunts etc way valve SMO 10 master controls one or up to nine F2026 22026 20 F2026 docked with EVC 13 floating condensing HO1 RN10j F2026 F2026 is controlled by a room thermostat and works with floating condensing on the return from the heating sys tem If F2026 cannot meet the heating requirement the additional heat is shunted in using the existing control equipment from EVC 13 Additional heat can be blocked above the set ambient temperature by means of the automatic control system in F2026 The heating medium also circulates through F2026 during the set stop temperature Hot water pro duction only takes place using the existing hot water heater The right curve is selected in EVC 13 so that F2026 is not disturbed This option requires accessory RT 10 NOTE When cable routing sensor cables and commu nication cables must be separated min 20 cm from high voltage cables to prevent interference Chapter 4 Pipe connections SET 2026 F2026 docked to an electric oil boil
13. wo AV JAN Jesu D WVNDYIO ONI SEEN 4 su a EN am c 8 3 3 ES 7 papa 5 Has 9 5 skh MAU I E DN on III 9r of gov um OL 9 5 ES Mg Edd E E L of ES LO s Jejsowsay 33018 Yd Chapter 11 50 12 Item register Item register A Accessories 41 Additional heat Downtime 26 Adjustment charge flow 30 Ambient temperature sensor 26 Anti freeze function 25 Assembly 5 B Balance temperature 28 C Charge pump 12 25 Anti freeze function 25 Commissioning and adjusting 28 Adjustment charge flow 30 Balance temperature 28 Compressor heater 28 Filling and venting the heating medium system 28 Phase sequence control 28 Preparations 28 Readjusting heating medium side 29 Soft start relay 28 Start up and inspection 29 Stop temperature 28 Communication 27 Compressor heater 28 Connecting accessories 27 Connecting external control voltage 25 Connections 24 Connecting external control voltage 25 Contact information 4 Control 31 35 Control Channels 35 Control Introduction 31 Control Channels 35 Setting channels 35 Status channels 35 Temperature channels 35 Control conditions 33 Control conditions cold outdoor air 33 Control conditions defrosting 34 Control Introduction 31 Control conditions 33 Contro
14. 10 15 20 25 30 35 Outdoor temperature F2026 8 Phase current A Specified output kW 15 o 20 15 10 5 0 5 10 15 20 25 30 Outdoor temperature Chapter 6 Commissioning and adjusting ambient temperature is above 28 C the charge flow should be in the lower region The diagrams show the heat pump with a high fan speed at low fan speeds AT will be 0 5 to 1 degrees lower does not apply to F2026 6 kW which only has one fan speed 1 and 4 flow temperature 35 C 2 and 5 flow temperature 45 C 3 and 6 flow temperature 55 C Quoted outputs refer to compressor fan and control at nominal heating medium flow During operation that requires defrosting the relationship between input and output is reduced by about 10 F2026 6 Phase current A Specified output kW 12 10 Rated output Phase current 20 15 10 5 0 5 10 15 20 25 30 Outdoor temperature F2026 10 Phase current A Specified output KW wna Rated Phase current 20 15 10 5 0 5 10 15 20 25 30 Outdoor temperature NIBE F2026 7 Control Introduction General F2026 is eguipped with an internal electronic control that handles those functions that are necessary for opera
15. 25 100 0 216 0 22 Chapter 9 Disturbances in comfort NIBETM 22026 10 Accessories VVM 300 Indoor module Part no 069 010 HR 10 Auxiliary relay Part no 089 423 NIBE F2026 VPA Double jacketed hot water cylinder VPA 300 200 Part No 088 710 VPA 450 300 Part No 088 660 RT 10 Room thermostat Part no 418 366 SMO 10 Control box Part no 089 638 VT 10 Heating thermostat Part no 418 801 KVR 10 Condensation water pipes different lengths KVR 10 10 Tm Part no 067 171 KVR 10 30 2 5 m Part no 067 172 KVR 10 60 5 m Part no 067 173 VST 11 Hot water control Shuttle valve Cu pipe 928 Max recommended charge power 15 kW Part no 089 152 Chapter 10 Accessories 11 Technical data Dimensions and setting out coordinates 1 z 2 XL1 Dr Ln wo Fa XL2 ele Q i lt lt n SE sg o E ET 4 T T 440 R 2 mM 350 L 1075 d 1175 365 130 LI IM m N A 040 n 72 1200 E Free space behind o n m BH a Free space Free space min 400 mm min 400 mm gt 2 A Free space in front 3000 mm Chapter 11 Technical data NIBETM 22026 Sound pressure l
16. 300 If the ambient temper ature drops below the set stop temperature VVM 300 engages and takes over heating 16 Chapter 4 Pipe connections F2026 docked with VVM 500 floating condensing EB15 FL2 pumas a s sss erek 3 0 4 RM1 F2026 VVM 500 EB15 BT1 F2026 slave can be connected to VVM 500 master F2026 is then controlled by VVM 500 and works with floating condensing to the heating system and prioritises hot water charging in VVM 500 If F2026 cannot supply the whole heating reguirement the additional heat is supplied from VVM 500 If the ambient temperature drops below the set stop temperat ure VVM 500 engages and takes over heating Chapter 4 F2026 docked to the electric oil fired pellet boiler together with SMO 05 and water heater floating condensing T 1 ATO i ZA T i i AA25 n QM3i Gbio 8775 m 4 9 1 jn CP11 i Im rl 4 H kt Tn I m ON26 J E H wr Em i il j AA25 AA25 AA4 l 4 ei i QM32 gt lt AA25 BT50 l I i QN10 L EB101 pka UM o I E FL10
17. 9 8 32 2 96 2 81 9 89 3 47 2 85 2 35 Delivered Supplied power COP kW kW 5 90 1 55 3 81 8 11 2 14 3 78 9 40 2 54 3 71 2 45 Delivered Supplied power COP kW kW 5 56 1 81 3 07 7 68 2 47 3 11 9 08 2 92 3 11 2 55 Delivered Supplied power COP kW kW 5 23 2 26 2 31 7 11 2 86 2 48 8 70 3 37 2 58 7 35 Delivered Supplied power COP kW kW 4 34 1 56 2 78 6 02 1 98 3 04 7 31 2 37 3 08 7 45 Delivered Supplied power COP kW kW 4 25 1 77 2 40 5 81 2 30 2 52 7 05 2 74 2 58 7 55 Delivered Supplied power COP kW kW 3 94 2 16 1 82 5 55 2 66 2 09 6 70 3 12 2 15 15 35 Delivered Supplied power COP kW kW 3 60 1 47 2 44 4 88 1 87 2 61 5 77 2 22 2 60 15 45 Delivered Supplied power COP kW kW 3 50 1 94 1 80 4 22 2 47 1 71 5 69 3 01 1 89 Output data according to EN 14511 7 35 Delivered Supplied power COPgy 4511 kW kW 6 24 1 50 4 16 8 57 2 21 3 87 9 80 2 62 3 74 7 45 Delivered Supplied power COPEn14511 kW kW 5 95 1 75 3 40 8 30 2 55 3 26 9 60 2 99 3 21 Electrical data Rated voltage 400V 3NAC 50 Hz Max operating current heat pump Arms 49 6 4 7 6 Max operating current compressor Arms 4 3 5 9 6 9 Starting current Arms 18 24 27 Max permitted impedance at connection point 2 Ohm Nominal output fan low high W 70 90 130 90 130 Fuse ru 10 10 10 Refrigerant circuit Type of refrigerant RA04A Type of compressor Scroll Volume kg 2 0 2 2 2 2 Cut out value pressostat HP MPa
18. ail mail amp knv at www knv at NIBE W rmetechnik AG Winterthurerstrasse 710 CH 8247 Flurlingen el 52 647 00 30 Fax 52 647 00 31 E mail info amp nibe ch www nibe ch Druzstevni zavody Drazice s r o Drazice 69 CZ 294 71 Benatky nad Jizerou el 420 326 373 801 Fax 420 326 373 803 E mail nibe nibe cz www nibe cz NIBE Systemtechnik GmbH Am Reiherpfahl 3 29223 Celle el 05141 7546 0 Fax 05141 7546 99 E mail info nibe de www nibe de Volund Varmeteknik A S Member of the Nibe Group Brog rdsvej 7 6920 Videbaek el 97 17 20 33 Fax 97 17 29 33 E mail info amp volundvt dk www volundvt dk NIBE Energy Systems OY Juurakkotie 3 01510 Vantaa Puh 09 274 697 0 Fax 09 274 697 40 E mail info nibe fi www nibe fi AIT France 10 rue des Moines 67000 Haguenau Tel 03 88 06 24 10 Fax 03 88 06 90 15 E mail infoGnibe fr www nibe fr NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield 541 906 el 0845 095 1200 Fax 0845 095 1201 E mail info amp nibe co uk www nibe co uk NIBE Energietechniek B V Postbus 2 NL 4797 ZG WILLEMSTAD NB Tel 0168 477722 Fax 0168 476998 E mail info nibenl nl www nibenl nl ABK AS Brobekkveien 80 0582 Oslo Postadresse Postboks 64 Vollebekk 0516 Oslo el sentralbord 47 02320 E mail post abkklima no www nibeenergysystems no NIBE BIAWAR Sp z o o Aleja Jana Pawla ll 57 15 703 BIAEYSTOK Tel 085 662 84 90 Fax 085 662 84 14 E mail sekretariat amp biawar
19. ant information Serial number The serial number can be found on the product s foot TILL Serial number LLTTITTTTTTFTTTFH Caution Always give the product s serial number when reporting a fault Country specific information Installer manual This installer manual must be left with the customer NIBETM F2026 Inspection of the installation Current regulations reguire the heating installation to be inspected before it is commissioned The inspection must be carried out by a suitably gualified person Fill in the page for information about installation data in the User manual w Description Notes Signature Date Heating medium page 12 System flushed System vented Particle filter Shut off and drain valve Charge flow set Electricity page 23 Fuses property Safety breaker Earth circuit breaker Heating cable type effect Fuse size heating cable F3 Communication cable connected Miscellaneous Condensation water pipe Insulation condensation water pipe thick ness if KVR 10 is not used NIBETM F2026 Chapter 1 Important information Contact information AT KNV Energietechnik GmbH Gahberggasse 11 4861 Sch rfling CH CZ DE DK FI FR GB NL NO PL 43 0 7662 8963 0 Fax 43 0 7662 8963 44 E m
20. arm can be connected to terminal X6 NOTE A Electrical installation and service must be carried out under the supervision of a qualified electri cian Electrical installation and wiring must be carried out in accordance with the stipulations in force NOTE N The external control must be taken into consid eration when connecting 22026 Chapter 5 Electrical connections 23 Connections A NOTE To prevent interference unscreened communic ation and or sensor to external connections cables must not be laid closer than 20 cm to high voltage cables when cable routing Power connection Incoming supply Incoming supply cable is supplied and factory connected to the terminal block X1 Approx 1 8 m cable is access ible outside the heat pump 24 Chapter 5 Electrical connections NIBETM 22026 Connecting external control voltage NOTE Mark up any electrical cabinets with warnings for external voltage When connecting external control voltage with separate earth fault breaker disconnect the cables between termin al blockX1 N and X2 N and between terminal block X1 L1 and X2 L1 as illustrated Operating voltage 1x230V N PE is connected to X2 N and X2 L1 as illustrated At connection of external control voltage you must con nect a switch for tarif
21. com pl www biawar com pl RU EVAN 17 per Boynovskiy Nizhny Novgorod el fax 7 831 419 57 06 E mail info evan ru www nibe evan ru NIBE AB Sweden Box 14 Hannabadsv gen 5 SE 285 21 Markaryd el 46 0 433 73 000 Fax 46 0 433 73 190 E mail infoGnibe se www nibe se For countries not mention in this list please contact Nibe Sweden or check www nibe eu for more information Chapter 1 Important information NIBETM F2026 2 Delivery and handling Transport and storage F2026 must be transported and stored vertically Assembly Place F2026 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 concrete foundation or slabs must be positioned so that the lower edge of the evaporator is at the level of the average local snow depth although a minimum of 300 mm The F2026 should not be positioned next to sensitive walls for example next to a bedroom Also ensure that the placement does not inconveni ence the neighbours 22026 must not be placed so that recirculation of the outdoor air can occur This causes lower output and impaired efficiency The evaporator should be sheltered from direct wind Place F2026 protected from wind against the evapor ator Large amounts of condensation water as well as melt water from defrosting can be produced Condensation water must be led off to a d
22. connected Group and main fuses of the accommodation The property s earth circuit breaker The heat pump s motor circuit breaker 1 The heat pump s automatic protection FB1 Low hot water temperature or a lack of hot water This part of the fault tracing chapter only applies if the heat pump is docked to the hot water heater Large hot water consumption m Wait until the hot water has heated up ncorrect settings in the NIBE indoor module m Seethe manual for the indoor module Low room temperature Closed thermostats in several rooms 22026 Set the thermostats to max in as many rooms as possible External switch for changing the room heating activ ated Check any external switches Incorrect settings in the NIBE indoor module See the manual for the indoor module High room temperature External switch for changing the room heating activ ated Check any external switches Incorrect settings in the NIBE indoor module See the manual for the indoor module F2026 is not operational External control equipment has not given the start signal m Check the settings on the control equipment Fuses have tripped Replace the fuse or reset the MCB Cold outdoor air Indicated as 03 in channel S1 Wait until the ambient temperature is 2 C higher than the heat pumps set stop value Tripped high pressure pressostat Indicated as 06 in channel S1 m Check that the s
23. d 12 minutes Factory setting 7 minutes NOTE In the event of any defrosting problems the value in channel A11 can be increased to re lieve the problem A12Manual activation of defrosting procedure Change the value O to 1 and confirm using the Enter button A13Restore factory default settings Change the value 0 to 1 and confirm using the Enter button A14Activating the collar heater function Change the value O till 1 and confirm using the Enter button Chapter 8 Control Channels 15 Activating the defrosting fan function Change the value O till 1 and confirm using the Enter button NIBETM F2026 9 Disturbances in comfort Troubleshooting NOTE N Work behind covers secured by screws may only be carried out by or under the supervision of a gualified installation engineer NOTE AN As F2026 can be connected to a large number of external units these should also be checked NOTE A In the event of action to rectify malfunctions that require work within screwed hatches the incoming electricity must isolated at the safety switch NOTE A In the event of any defrosting problems the value in channel A11 can be increased to relieve the problem NOTE I X Alarms are reset on indoor module The following tips can be used to rectify comfort disrup tion Basic actions Start by checking the following possible fault sources Thatthe heat pump is running or that the supply cable to F2026 is
24. d output is equal to the building s output requirement This means that the heat pump covers the whole building s output requirement down to this temperature Set the balance temperature additional heat in channel Ab Stop temperature When the stop temperature channel A7 is set between 7 and 20 C the flow temperature is limited linearly from 7 C 58 C to 20 9C 50 C see diagram on page 45 If the ambient temperature is below the set value for stop temperature heating must occur using the additional heat Soft starter F2026 is equipped with soft start AA10 that limits the inrush current for the compressor Chapter 6 Commissioning and adjusting Compressor heater F2026 is equipped with a compressor heater that heats the compressor before start up and when the compressor is cold NOTE N The compressor heater must have been ted for 6 8 hours before the first start see the section Start up and inspection Collar heater F2026 is eguipped with a collar heater that heats the fan collar when necessary not activated on delivery NOTE A The collar heater is only required in certain cases where the ambient temperature is too low for a long period Phase sequence control The phase sequence sensor BA1 starts as soon as the power supply is connected to the heat pump Check the phase sequence as shown below Red LED is lit at correct phase sequence If there is a fault
25. docked to the oil fired pellet boiler together with SMO 10 and water heater floating condensing 19 F2026 docked with EVC 13 floating condensing 20 F2026 docked with VVM 300 floating condensing 16 F2026 docked with VVM 500 floating condensing 17 F2026 docked with wood fired boiler and hot water heater fixed condensation 22 Filling and venting the heating medium system 28 mportant information 2 Safety information 2 nspection of the installation 3 nstallation area 7 M Marking 2 Minus button 31 N Navigation 31 Enter button 31 Minus button 31 Plus button 31 Optional connections 26 Additional heat Downtime 26 Communication 27 External indication of common alarms 27 Thermostat control 26 P Phase seguence control 28 Pipe connections 12 Charge pump 12 Docking alternatives 14 General 12 Pipe coupling heating medium circuit 12 Pressure drop heating medium side 13 Water volumes 12 Pipe coupling heating medium circuit 12 Plus button 31 Power connection 24 Preparations 28 Pressure drop heating medium side 13 Chapter 12 Item register 51 52 R Readjusting heating medium side 29 Removing the covers 8 5 Safety information 2 Contact information 4 Inspection of the installation 3 Marking 2 Serial number 2 Symbols 2 Sensor placement 38 Serial number 2 Setting channels 35 Soft start relay 28 Sound pressure levels 43 Start up and inspec
26. ected without the permission of the electricity supplier and must be connected under the supervision of a gualified electri cian f a miniature circuit breaker is used this should have motor characteristic C compressor operation For MCB size see Technical Specifications F2026 does not include omnipolar circuit breaker on the incoming power supply The heat pump s supply cable must be connected to a circuit breaker with at least a 3 mm breaking gap When the building is equipped with an earth fault breaker the heat pump should be equipped with a separate one Incoming supply must be 400 V 3NAC 50Hz via distribution boards with fuses If an insulation test is to be carried out in the building disconnect the heat pump Connect control signal cable for thermostat to termin al X5 Cable type unscreened LiYY screened LiYCY Cable area at least 0 22with cable lengths less than 50m Alternatively the relevant screened signal cable is connected from terminal block X5 to SMO 05 SMO 10 NIBE indoor module The routing of cables for heavy current should be made out through the cable glands on the heat pump s left hand side seen from the front UB1 and signal cables from the rear UB3 Charge pump for F2026 can be connected to separate supply or to terminal block X3 NOTE If F2026 is not powered and the charge pump is connected to the terminal block X3 there is a risk of freezing A common al
27. ensation water pipe must have a water trap to prevent air circulation in the pipe Installation area The distance between F2026 and the house wall must be at least 350 mm Clearance in front of 22026 should be at least one metre yy C Free space behind oO n Free space min 400 mm 350 mm Free space min 400 mm X Free space in front 3000 mm NIBETM F2026 Chapter 2 Delivery and handling Supplied components Ge an 2 flexible hoses R25 with 4 seals Particle filterR25 Removing the covers Chapter 2 Delivery and handling NIBETM F2026 3 The heat pump design General UB GN2 BT14 EB11 BP1 BT28 0120 10 HS1 J BT17 EP1 EN eee Fen N ARN SN 2 m Sy est d 2 BNET Lp 5 TL LA BT12 7 a ml Jl LA a kemi LA 1 EIE A LA d 2 if BT3 I mI mm wam T ee ET gt AE oN 2 t i e lt E x gt 8 I SS S2 X PF3 S 5 6 lt XL40 BT16 WM5 NIBETM F2026 Chapter 3 The heat pump design Pipe con
28. er floating condensing EB100 BT31 External or existing control eguipment F2026 F2026 is controlled by a room thermostat and works with floating condensing on the return from the heating sys tem If 22026 cannot meet the heating reguirement the addi tional heat is shunted in using the existing control eguipment Additional heat can be blocked above the set balance temperature by means of the automatic control system in F2026 In other cases the heat pump does not collab orate with the electric oil fired boiler in the optimum way Hot water production only takes place using the existing electric oil boiler This option reguires accessory RT 10 Chapter 4 Pipe connections 21 F2026 docked with wood fired boiler and hot water heater fixed condensing External or existing control eguipment F2026 F2026 charges the water heater accumulator tank EB15 When the firewood boiler is in use the heat pump and immersion heater are disconnected when the temperature rises on the thermostat BT34 and start again when the temperature drops Too high temperature in the tank can generate alarm in the outdoor module and should be restricted to 60 C Self circulation through the heat pump is prevented by the check valve 1 22 Chapter 4 Pipe connections NIBETM F2026 5 Electrical connections General A heat pump must not be conn
29. evels F2026 is usually placed next to a house wall which gives a directed sound distribution that should be considered Accordingly you should always attempt when positioning to choose the side that faces the least sound sensitive neighbouring area The sound pressure levels are further affected by walls bricks differences in ground level etc and should there fore only be seen as guide values F2026 works with low fan speed or high fan speed de pending on the ambient temperature does not apply to F2026 6 kW which only has one fan speed Free space NIBETM F2026 22026 6 F2026 8 F2026 10 Sound power level LWA 57 57 62 57 62 Sound pressure level at 2 m Fan low high dB A 43 43 48 43 48 Sound pressure level at 6 m Fan low high dB A 33 5 33 5 38 5 33 5 38 5 Sound pressure level at 10 m Fan low high dB A 29 29 34 29 34 Chapter 11 Technical data 43 44 Technical specifications 3x400V Output data at nominal flows 1 10 15 55 Delivered Supplied power COP kW kW 7 35 2 30 3 20 9 80 3 04 3 22 11 52 3 58 3 22 7 35 Delivered Supplied power COP kW kW 6 78 1 53 4 43 9 30 2 23 4 17 10 90 2 65 4 11 7 55 Delivered Supplied power COP kW kW 6 07 2 26 2 6
30. f control to connection X5 1 and X5 5 compressor blocking to prevent MP alarm External F2026 NA I Compressor blocking t ESIESIESIESIGJ 91 E en Charge pump To let F2026 control the charge pump GP12 connect it to the terminal block X3 4 N 5 L and 7 PE Pump activity is dependent on the status of F2026 heating hot water requirement and the ambient temperature Pump exercising is handled by F2026 With potential free connection of the circulation pump you replace the bracket with separate voltage supply for X3 6 L Anti freeze function At temperatures below 2 C the charge pump runs periodically and at temperatures below 20 C it runs 22026 continually This function applies on the condition that F2026 is powered Minutes per 30 minutes 35 0 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Temperature NOTE N There is a risk of freezing when the charge pump is connected to the terminal block X3 and F2026 is not powered External F2026 0 10 0 DD agi dle Hu GP12 External heating cable KVR 10 F2026 is equipped with a terminal block for an external heating cable EB14 not supplied T
31. he connection is fused with 250 mA F3 15 W m If another cable is to be used the fuse must be replaced by one of a suitable size see table Length Total Fuse F3 NIBE Part no m output W 15 T100mA 250V 718085 3 45 T250mA 250V 518900 6 90 T500mA 250V 718086 Factory installed External heating cable EB14 is connected to terminal block X3 1 and 4 as illustrated Chapter 5 Electrical connections 25 External F2026 External heat cable EE FEE EEO E 9 S vr Ee zie TE A The pipe must be able to withstand the heat from the heating cable To ensure this function the accessory KVR 10 should be used Cable routing The following image displays the recommended cable routing from the electrical cabinet to the condensation water trough in F2026 The transfer from electrical cable to heating cable must occur after the lead in to the con densation water trough The distance between the elec trical cabinet and the lead in to the condensation water trough is approx 1930 mm Heating cable Lead in Ambient temperature sensor An ambient temperature sensor BT28 is located on the underside of F2026 Chapter 5 Electrical connections Optional connections NOTE A The following pages about
32. ifications 44 Electrical circuit diagram 46 Item register 51 Table of Contents 1 Important information Safety information This manual describes installation and service procedures for implementation by specialists This appliance is not intended for use by persons includ ing children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concern ing use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Rights to make any design or technical modifications are reserved ONIBE 2012 Symbols NOTE AN This symbol indicates danger to machine or person Cee Caution This symbol indicates important information about what you should observe when maintain ing your installation TIP Q This symbol indicates tips on how to facilitate using the product Marking F2026 is CE marked and fulfils IP24 The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relev ant EU directives The CE mark is obligatory for most products sold in the EU regardless where they are made IP24 means that the product is secure against penetration by objects with a diameter larger than or equivalent to 12 5 mm and that the product is protected against drops from all directions Chapter 1 Import
33. ipe evaporator suction gas NIBETM F2026 Data for return line temperature sensor BT3 condensor supply BT12 and fluid pipe BT15 Temperature Resistance Voltage VDC kOhm NIBE F2026 Data for hot gas sensor BT14 Temperature Resistance Voltage V kOhm 40 118 7 4 81 45 96 13 4 77 50 78 30 4 72 55 64 11 4 66 60 52 76 4 59 65 43 64 4 51 36 26 4 43 30 27 4 33 25 38 4 22 21 37 4 10 18 07 3 97 15 33 3 83 13 06 3 68 11 17 3 52 9 59 3 36 8 26 3 19 7 13 3 01 6 18 2 84 5 37 2 67 4 69 2 50 4 10 2 33 Chapter 9 Disturbances in comfort 39 40 Data for evaporator sensor BT16 ambient tem perature sensor BT28 and suction gas sensor BT17 Temperature Resistance Voltage VDC kOhm 50 77 58 4 71 45 57 69 4 62 40 43 34 4 51 35 32 87 4 37 30 25 17 4 21 25 19 43 4 03 20 15 13 3 82 15 11 88 3 58 10 9 392 3 33 5 7 481 3 07 0 6 000 2 80 5 4 844 2 54 10 3 935 2 28 15 3 217 2 03 20 2 644 1 80 25 2 186 1 59 30 1 817 1 39 35 1 518 1 22 40 1 274 1 07 45 1 075 0 93 50 0 911 0 81 55 0 775 0 71 60 0 662 0 62 65 0 568 0 54 70 0 490 0 47 75 0 4233 0 41 80 0 367 0 36 85 0 320 0 32 90 0 280 0 28 95 0 245 0
34. issioning report in the user manual Remove the protective film from the cover on F2026 NOTE N The external control must be taken into consid eration when connecting NIBETM F2026 Readjusting heating medium side Air is initially released from the hot water and venting may be necessary If bubbling sounds can be heard from the heat pump the circulation pump and radiators the entire system will reguire further venting When the sys tem is stable correct pressure and all air eliminated the automatic heating control system can be set as reguired Chapter 6 Commissioning and adjusting 29 30 Adjustment charge flow Adjusting the temperature difference AT between the flow temperature and the return temperature is best done during hot water charging or at high load This is most easily done using the temperatures measured in channel T2 supply temperature minus channel T3 return temperature This temperature difference AT is adjusted using the circulation pump and control valve Adjustment is performed with stable operation about 5 minutes after start or about 5 minutes after defrosting at cold ambient temperatures The temperature difference must be within the grey area in accordance with the diagram below 1 2 K If the F2026 Charge flow Adjustment of charge flow aT 40 3 0 20 20 15 10 5 5
35. l conditions cold outdoor air 33 Control conditions defrosting 34 Display explanation 32 General 31 Navigation 31 D Delivery and handling 5 Assembly 5 Installation area 7 Removing the covers 8 Supplied components 8 Transport and storage 5 Dimensions and setting out coordinates 42 Display explanation 32 Disturbances in comfort 37 Troubleshooting 37 Docking alternatives 14 F2026 docked to an electric oil boiler floating condensing 21 F2026 docked to the electric oil fired pellet boiler together with SMO 05 and water heater floating condensing 18 F2026 docked to the oil fired pellet boiler together with SMO 10 and water heater floating condensing 19 F2026 docked with EVC 13 floating condensing 20 F2026 docked with VVM 300 floating condensing 16 22026 22026 docked with VVM 500 floating condensing 17 F2026 docked with wood fired boiler and hot water heater fixed condensation 22 E Electrical cabinet 11 Electrical circuit diagram 46 Electrical connections 23 Ambient temperature sensor 26 Charge pump 25 Connecting accessories 27 Connections 24 General 23 Optional connections 26 Power connection 24 Enter button 31 Explanation 14 External indication of common alarms 27 F F2026 docked to an electric oil boiler floating condensing 21 F2026 docked to the electric oil fired pellet boiler together with SMO 05 and water heater floating condensing 18 F2026
36. lation pump heating KA2 Auxiliary relay QM4 Drain valve QN11 Mixing valve addition EB100 Heat pump F2026 BT31 Room thermostat RT 10 BT34 Thermostat charging FL10 Safety valve heat pump GP12 Charge pump HQ1 Particle filter QM1 Drain valve heating medium Chapter 4 Pipe connections QM40 Shut off valve RN10 Trim valve RM1 Non return valve EB101 Heat pump F2026 FL10 Safety valve heat pump GP12 Charge pump HO1 Particle filter OM1 Drain valve heating medium OM40 Shut off valve OM41 Shut off valve RM1 Non return valve RN10 Trim valve EB102 Heat pump F2026 FL10 Safety valve heat pump GP12 Charge pump HO1 Particle filter OM1 Drain valve heating medium OM40 Shut off valve RM1 Non return valve RN10 Trim valve EM1 Cil gas pellets or wood boiler BT52 Temperature sensor boiler CM1 Expansion vessel closed heating medium FL2 Safety valve heating medium KA1 Auxiliary relay EP21 Climate system 2 BT2 Temperature sensor heating medium flow BT3 Temperature sensors heating medium return GP10 Circulation pump heating medium ON25 Shunt valve Miscel laneous AA25 Auxiliary relay Contactor KA10 AA25 Auxiliary relay Contactor KA11 BT1 Outside sensor BT31 Room thermostat RT 10 CM1 Expansion vessel closed heating medium CP1 Buffer vessel UKV CP10 Accumulator tank with hot water heating VPA VPAS VPB CP10 EB20Immersion heater 11 Buffer vessel UKV EB1 Elec
37. le reasons for defrosting to finish 1 The temperature of the evaporator sensor has reached the set temperature in channel A10 normal stop Defrosting has run longer than set in channel A11 Can be due to insufficient energy in the heat source and or that the sensor on the evaporator is poorly positioned and gives too low a temperature in the event of cold outdoor air The temperature on the return sensor falls below 10 C The high pressure switch deploys during defrosting This is indicated as alarm 10 in channel S1 and the compressor is stopped After two minutes the com pressor starts again if the pressure has fallen other wise there is a constant high pressure alarm alarm 06 The temperature on the flow temperature sensor falls below 4 C Chapter 7 Control Introduction NIBETM F2026 8 Control Channels Status channels Status These channels show the status and statistics Channel 51 Shows the operating status of F2026 Value 01 Normal operation 02 Defrosting is run 03 Cold outdoor air temperature 04 High return temperature 05 Low pressure switch BP2 has tripped 06 High pressure switch BP1 has tripped 07 Motor fuse FC1 and or phase sequence sensor BA1 has deployed 08 Sensor alarm One of the temperature sensors is defective 09 Communication error only when SMO 05 5MO 10 NIBE innemodul is connected 10 High pressure switch has tripped during def
38. nections XL 1 Connection heating medium out of F2026 G1 228 mm XL 2 Connection heating medium in to F2026 G1 828 mm XL 20 Service connection high pressure XL 21 Service connection low pressure XL40 Connection drip tray drain 840 mm Sensors etc BP 1 High pressure pressostat BP 2 Low pressure pressostat BT3 Temperature sensor return BT 12 Temperature sensor condenser supply line BT 14 Temperature sensor hot gas BT 15 Temperature sensor pipe BT 16 Temperature sensor evaporator BT 17 Temperature sensor suction gas BT 28 Temperature sensor ambient Electrical components EB 10 Compressor heater EB 11 Condensation water trough heater EB 13 Collar heater GQ 1 Fan Cooling components EP 1 Evaporator EP 2 Condenser GQ 10 Compressor HS 1 Drying filter QN 1 Expansion valve QN2 _ 4 way valve RM 1 Non return valve Miscellaneous PF 1 Type plate PF3 Serial number UB 1 Cable gland incoming supply UB 3 Cable gland sensor WM 5 Condensation water trough 5 Connections sensors Designations in component locations according to standard IEC 81346 1 and 81346 2 10 Chapter 3 The heat pump design NIBETM F2026 Electrical cabinets Electrical components AA 6 AA 10 AA 21 BA 1 C2 F 3 FB 1 FC 1 X1 X2 X3 X5 X6 X7 Relay ca rd with power supply unit Soft starter Control S1 52 53 54 SF3 card with display Plus button Minus button Enter button Re
39. nsor BT3 T4 Measured temperature on the suction gas sensor BT17 T5 Measured temperature on the hot gas sensor BT14 T6 Measured temperature on the liquid line sensor BT15 T7 Measured temperature on the evaporator sensor BT16 Setting channels All setting are made on these channels Channel A1 Address for communication with SMO 05 SMO 10 NIBE indoor module master When connecting to SMO O5 NIBE indoor module this channel should be on 1 When connecting to SMO 10 this must be selected so that each F2026 slave in the system receives a unigue address 1 9 for communication with SMO 10 For example 3 x F2026 in the same system are allocated the addresses 1 2 and 3 The F2026 that produces hot water should be set to 1 2 Max return temperature When the return temperature reaches the set value the compressor stops The value is adjustable between 25 and 50 C Factory setting 48 C With SMO NIBE indoor module connected this menu cannot be changed it is locked at 50 C Chapter 8 Control Channels 35 36 A3 A4 A5 A6 A7 A8 A9 Connection difference return temperature After the compressor is stopped for a high return temperature the return temperature must drop by the set value in order to permit the compressor to start The value is adjustable between 0 and 10 C Factory setting is 4 C With SMO NIBE indoor module connected this menu cannot be changed it is locked at 2
40. rain or similar see page 6 Care must be exercised so that the heat pump is not scratched during installation Ups 0 LEK Do not place F2026 directly on the lawn or other non solid surface 22026 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 Chapter 2 Delivery and handling Condensation water trough The condensation water trough is used to collect and lead away condensation water from the heat pump NOTE A It is important to the heat pump function that condensation water is led away and that the drain for the condensation water run off is not positioned so that it may cause damaoe to the house NOTE Pipe with heating cable for draining the condens ation water trough are not included should be used NOTE NOTE A To ensure this function the accessory KVR 10 The electrical installation and wiring must be carried out under the supervision of an author ised electrician Caution If none of the recommended alternatives is used good lead off of condensation water must be assured The condensation water up to 50 litres day collected in the trough should be routed by pipe to an appro priate drain it is recommended that the shortest outdoor stretch possible is used The section of the pipe that can be affected by fro
41. re blocked and all heating must take place using the external additional heat via the downtime relay terminal block X6 4 6 This function is also activated when F2026 is deenergized If the ambient temperature exceeds 35 compressor operation is blocked and the downtime relay is activated The connection to the additional relay is made as illus trated below NIBETM F2026 External F2026 NO E Additional heat x lt COM Her u u E u Max load across the relay contactors is 250V 2A 0 NO 0 Downtime 0 During operations without the need of the additional heat or downtime the relay contactors are closed between NO and COM Additional heat and downtime are acguired between NC and COM The contactors are drawn in the deenergized state Additional and downtime relays are activated during normal operating conditions for F2026 Both relays are deactivated in the event of operating disruptions Example of addition connection Basic electrical circuit diagram for connection of auxiliary relays for additional heat and downtime 12 230V Auxiliary contactor not supplied NIBETM F2026 Communication F2026 can communicate with NIBE indoor modules by connecting the indoor module to the terminal block X5 3 X5 4 X5 5 as illustrated
42. rosting resets automatically 11 Not used 12 Flow and return line sensors fitted incorrectly 13 Hot outdoor air Appears when the ambient temperature exceeds 35 C 14 High flow temperature 15 Defrosting interrupted Appears if defrosting is unsuccessful 3 times in a row 16 Shortoperations times Appears if operation time has been shorter than 2 minutes 3 times in a row 17 Hotgasalarm Appears when the hot gas exceeds 120 C The alarm resets automatically when the temperature falls below 60 C If the alarm is ac tivated 3 times within 240 minutes it becomes continuous S2 Value Shows the compressor status 00 Compressor off 01 Compressor on XX Compressor blocked due to an alarm nn Compressor start in nn minutes S3 Shows the number of compressor starts accumulatively S4 Shows the compressor s operating time in hours accu mulatively S5 Shows the operating hours for connected additional heat accumulatively S6 Shows whether any additions are activated Active input indicated by 1 Deactivated input indicated by 0 22026 S7 Alarm input status HP LP and 1 indicates the input is OK 57 1 1 71 S10 Software version number Temperature channels These channels show the current temperatures Channel T1 Measured temperature on the ambient temperature sensor BT28 T2 Measured temperature on the flow temperature sensor BT12 T3 Measured temperature on the return line se
43. set button Display contrast Phase seguence monitor 3 phase Operating condenser fan Fuse for 45 W external heating cable 250 mA max Automatic protection 10 A 30 mA Motor fuse Termina Termina Termina cable Termina block incoming supply block external control voltage block charge pump external heating block thermostat communication blocking compressor Termina mon ala Termina NIBETM F2026 block additional heat downtime com rm block 4 way valve Miscellaneous UB2 Cable gland incoming supply XIS Connections sensors Designations in component locations according to standard IEC 81346 1 and 81346 2 Chapter 3 The heat pump design 11 12 4 Pipe connections General Pipe installation must be carried out in accordance with current norms and directives F2026 can only operate up to a return temperature of about 50 C and an outgoing temperature of about 58 C from the heat pump F2026 is not equipped with external shut off valves on the water side these must be installed to facilitate any future servicing The return temperature is limited by the return line sensor Water volumes When docking with F2026 a minimum available system volume of at least 20 litres per kW output on the heat pump is recommended NOTE AN The pipe work must be flushed before the heat pump is connected so that any contaminants do not damage the components Pipe coupling heating
44. st must be heated by the heating cable to prevent freezing Route the pipe downward from F2026 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 be tight against the bottom of the condensation water trough Chapter 2 Delivery and handling Recommended alternatives Stone caisson EEE Frost proof depth If the house has a cellar the caisson must be positioned so that it does not affect the house Otherwise the caisson can be positioned directly under the heat pump The outlet of the condensation water pipe must be at frost free depth Drain indoors NN Water seal Se The condensation water can be routed to a drain indoors with reservations for local rules and regulations Route the pipe downward from F2026 The condensation water pipe must have a water trap to prevent air circulation in the pipe NIBE F2026 Gutter drainage H gt H LEK Frost proof Water seal depth ei The outlet of the condensation water pipe must be at frost free depth Route the pipe downward from F2026 The cond
45. supplier betore purghasing thie equipment ance with EN 61000 3 11 Start currents can cause short voltage Working area Water temperature C 70 60 50 40 Supply temperature Return temp 30 20 10 0 Outdoor air temperature 30 20 10 0 10 20 30 40 C During shorter time it is allowed to have lower working temperatures on the water side e g during start up NIBETM F2026 Chapter 11 Technical data 45 46 Electrical circuit diagram ELECTRICAL PLATE 3x400V 6 10KW amp NIBE Chapter 11 Technical data 7505 92024 MYOL 9 A007XE ANM a wel AVEVO mmo RI saxea Z Lozou c Papag 3 1483 ue Je H 40700 1481505 HD UO Jefe suo MO UD feujdiug 30 90 ase gt ueJ 30 00 ameh wg K Daatls veg paads mo uej e 0L09 8 UO 23 UNWWOF jnduj Jeysowway 32019 sd JVNE A007 Addns 47 Chapter 11 7 71 057 920414 MX0L 9 A00 WVYOVIC ONI XE CET LEEOLL LOZOL
46. ted to start again NOTE A It is heat pump s ambient temperature sensor that applies If VVM 300 SMO 10 is connected it is not the value in menu 4 0 but the value of the ambient temperature in menu 5 9 which is used Chapter 7 Control Introduction 33 34 Control conditions defrosting A time counter counts up every minute if the com pressor is running and the temperature of the evapor ator sensor channel T7 falls below the setting in channel A9 If the time counter has reached the setting in channel A8 defrosting starts If the collar heater is activated in channel A14 the ambient temperature is less than or equivalent to 2 C and the compressor is running the collar heater starts at every third defrosting The collar heater prevents the build up of ice on the fan collar If defrosting fan is activated in channel A15 de pending on the evaporator temperature and if the collar heater is not operating defrosting fan starts at defrosting Defrosting fan prevents ice build up on the fan blades and the front fan grille Defrosting occurs as follows 1 2 3 The four way valve shifts to defrosting The fan stops and the compressor continues to run When defrosting is complete the four way valve shifts back to heating mode and after 30 seconds the fan starts The ambient temperature sensor is locked and the high return temperature alarm is blocked for two minutes after defrosting There are five possib
47. ter which may be partially clogged High return temperature T3 Indicated as 04 in channel S1 m Check the charge flow and the note the com pressor s limitations at low ambient temperatures Unsuccessful defrosting Indicated as 15 in channel S1 m Check the charge flow Short operations times Indicated as 16 in channel 51 Check the connection difference for the thermo stat Check the start temperature hot water in any NIBE indoor module Check the charge flow and the particle filter which may be partially clogged Hot gas temperature exceeds 120 C Indicated as 17 in channel S1 m Contact refrigeration technician Ice build up in the fan collar NOTE Only applies in certain areas Collar heater channel A14 not activated Activate the collar heater in channel A14 Ice build up on the fan blades and front grille NOTE Only applies in certain areas Defrosting fan channel A15 not activated m Activate defrosting fan in channel A15 38 Chapter 9 Disturbances in comfort Sensor placement Z DO gnn nn BP1 High pressure pressostat BP2 Low pressure pressostat Temperature sensor 8112 Temperature sensor 8114 Temperature sensor 8115 Temperature sensor 8116 Temperature sensor 8117 Temperature sensor BT28 Ambient temperature sensor heating medium return line condenser supply line hot gas fluid p
48. tion 29 Status channels 35 Stop temperature 28 Supplied components 8 Chapter 12 Item register Symbols 2 T Technical data 42 Dimensions and setting out coordinates 42 Electrical circuit diagram 46 Sound pressure levels 43 Technical Data 44 Technical Data 44 Temperature channels 35 The heat pump design 9 Component list electrical cabinet 11 Component location electrical cabinet 11 Component locations 9 List of components 9 10 Thermostat control 26 Transport and storage 5 Troubleshooting 37 Sensor placement 38 NIBETM F2026 NIBE AB Sweden Hannabadsv gen 5 Box 14 SE 285 21 Markaryd info nibe se www nibe eu 031865
49. tion of the heat pump for example defrosting stop at max min temperature connection of the compressor heater as well as enabling the heater for the condensation watering trough and monitoring of pressure switches The temperatures number of starts and the operating time can also be read The integrated controller is set during installation and can be used during a service Under normal operating conditions the home owner does not need to have access to the controller F2026 has an integrated return line sensor that limits the return temperature F2026 can also be switched on off via signals from other control equipment or a thermostat If F2026 is controlled from the indoor module VVM eller SMO accessory the control is described in the instructions supplied F2026 communicates with the indoor module which means that settings and measurement values from F2026 can be adjusted and read off in the indoor module 22026 Navigation SEA x Plus button The plus button S1 is used to browse through the channel system forwards or raise the value of the selected parameter See the section Control Channel descrip tion Minus button The minus button S2 is used to browse through the channel system backwards or lower the value of the selected parameter See the section Control Channel descrip tion Enter button The Enter button S3
50. tivated at the same time If the ambient temperature sensor registers temper ature that is at least 2 1 C higher than the set tem perature in channel A7 a time counter starts When the time counter has reached 45 minutes both the additional relay and downtime relay deactivate to obtain a more comfortable temperature for the com pressor to start at When a further 15 minutes have passed the com pressor is permitted to start and the additional relay activates a few seconds later However the downtime relay is deactivated If the ambient temperature at any point during the total 60 minutes falls below channel A7 2 1 C the counter is reset It does not start counting again unless the temperature is sufficiently high once again Set temperature for cold outdoor air channel A7 Outdoor temperature NIBETM F2026 1 Set temperature for cold outdoor air 2 1 C The ambient temperature channel T1 drops below the set temperature in channel A7 B The heat pump stops and both the relays are activated The ambient temperature is 2 1 9C above the set temperature in channel A7 A A time counter starts from 0 The ambient temperature falls below A The timer is reset and stopped The ambient temperature returns to above A The time counter starts again from 0 The time counter has counted to 45 minutes Both relays are deactivated The time counter has counted to 60 minutes The compressor is permit
51. to high Ambient temperature C 8 kw 11 10 kw 13 FO Fan off F1 Fan on low speed F2 Fan on high speed Heater H The compressor heater is always active when the com pressor is switched off The condensation water trough heater is connected dur ing defrosting when the ambient temperature falls below or is equal to 2 5 C If the collar heater is permitted channel A14 it activates every third defrosting when the ambient temperature lies below 2 C HO Compressor heater off Condensation water trough heater off Collar heater off Chapter 7 Control Introduction H1 Compressor heater on H2 Condensation water trough heater on H3 Compressor heater on Condensation water trough heater on H4 Collar heater on H5 Compressor heater on Collar heater on H6 Condensation water trough heater on Collar heater on H7 Compressor heater on Condensation water trough heater on Collar heater on Channel S1 Shows the current channel Change channels using the Plus button or the Minus button Value 01 Shows the current value Increase decrease value using the plus button respective minus button NIBETM F2026 Control conditions Control conditions cold outdoor air When the ambient air temperature channel T1 drops below the set temperature in channel A7 the heat pump stops and indicates 03 in channel S1 Both the additional relay and the downtime relay are then ac
52. tric heater Electric boiler EB1 BP5 Pressure gauge EB1 QMAOShut off valve EB1 QM60Venting valve EB1 QN25 Shunt valve EB1 RM1 Non return valve FL1 Safety valve hot water FL2 Safety valve heating medium FL11 Safety valve heat pump FQ1 Mixer valve hot water NIBETM F2026 GP10 KA3 OM31 QM32 QN10 QN26 RM3 RN10 RN11 Circulation pump heating medium Auxiliary relay Shut off valve heating medium supply Shut off valve heating medium return Reversing valve hot water heating medium Overflow valve Non return valve Trim valve Trim valve NIBETM F2026 Chapter 4 Pipe connections 15 F2026 docked with VVM 300 floating condensing 2026 VVM 300 EB101 EB101 NOTE When cable routing sensor cables and commu nication cables must be separated min 20 cm from high voltage cables to prevent interference NOTE A Check that you have a VVM 300 with version 1 30 or newer If you have an earlier model of VVM 300 the control card must be replaced in the indoor module The modular cable is then connected directly to the outdoor module con trol card F2026 slave can be connected to VVM 300 master F2026 is then controlled by VVM 300 and works with floating condensing to the heating system and prioritises hot water charging in VVM 300 If F2026 cannot meet the heating requirement additional heat is shunted in from VVM
53. ystem has been vented correctly Check the fuses Check that the particle filter is not blocked Check that the circulation pump is rotating Tripped low pressure pressostat Indicated as 05 in channel S1 Ensure that the air flow is not blocked Ambient temperature is hotter than 35 C Indicated as 13 in channel S1 Wait until the ambient temperature is colder than 33 Time conditions do not permit start m Wait until the set conditions have run out If C flashes in the display the start conditions have been given Motor fuse FC 1 and or phase seguence sensor BA1 has deployed MS alarm Indicated as 07 in channel S1 m Check the fuses m Check the phase sequence on incoming electricity supply Flow and return line sensors fitted incorrectly Indic ated as 12 in channel S1 m Check the pipe installation Chapter 9 Disturbances in comfort 37 The heat pump will not defrost Check the temperature on the return line sensor channel T3 If it is below 10 C the heat pump will not defrost Check the temperature on the evaporator sensor channel T7 If it is higher than the set Start temperature defrosting channel A9 during compressor operation the heat pump will not defrost Check the temperature on the return line sensor BT3 If it is below 10 C the heat pump will not defrost High flow temperature T2 Indicated as 14 in channel S1 Check the charge flow and the particle fil
Download Pdf Manuals
Related Search