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Installer manual NIBE™ F750

1. Miniature circuit breaker FA1 Operation 230V fan circulation pumps etc are intern ally fused by a miniature circuit breaker FA1 Caution Check the miniature circuit breaker FA1 It may have tripped during transportation Temperature limiter FD1 The temperature limiter FD1 cuts the current supply to the electric additional heat if the temperature rises between 90 and 100 C and can be manually reset Resetting The temperature limiter FD1 is accessible behind the front cover Reset the temperature limiter by carefully pressing the button FD1 SF2 using a small screwdriver Chapter 5 Electrical connections 19 Accessibility electrical connection Removing the cover base board The plastic cap of the electrical boxes is opened using Caution a screwdriver To remove the cover for the base board the NOTE cover for the input circuit board m
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4. 12 NIBE F750 Connection 3x230V Tariff control If the voltage to the immersion heater and or the compressor disappears for a certain period there must also be blocking via the AUX input at the same time see Possible selection for AUX inputs Outside sensor Install the outdoor temperature sensor BT1 in the shade on a wall facing north or north west so it is un affected by the morning sun for example Connect the sensor to terminal block X6 1 and X6 2 on the input board AA3 Use a twin core cable of at least 0 5 mm cable area If a conduit is used it must be sealed to prevent con densation in the sensor capsule m i a w External
5. Yu VJd LVV ufiisag sa3e day pexpau 18915 5 JX9N dd A ldd A iC N m I UJ NO gt a n 5 Aug ZOLM 09 8 L g E MASO MAL MAZ MAE NIBE F750 Chapter 12 Technical data 70 8 L 9 V XI TE m 08544 en MNG 9 AOOYXE 25 ajeg UMeJ Jueld 4 amp 3ANI NF ufiisag sa3e day pax2auj3 JeaUs Mole 7 09900 E ldd 10 Jdd dej SUIT AM d h F V8 umoJg HUN JV Ja JaAu 71 Chapter 12 Technical data NIBE F750 8 L 9 S V 9 E A 6 Z 7450 05 4 QUEDA gv 38 MS 9 AO00 XE UEld ufiisag sa3e day E 48845 Jgaus 2g ONS pela WMd Umag 2 10 007 ang co ntl
6. FD1 TIER NEC 1 S WM1 NIBE F750 NOTE s Warning Do not start the heat pump if there is a risk that the water in the system has frozen Start guide NOTE s There must be water in the climate system before the switch is set to I 1 Setthe heat pump s switch to I 2 Follow the instructions in the start guide in the heat pump display If the start guide does not start when you start the heat pump start it manually in menu 5 7 N 4 See page 32 for a more in depth introduction to the heat pump s control system operation menus etc If the building is cooled when F750 starts the com pressor may not be able to cover the entire demand without having to use additional heating Commissioning The first time the heat pump is started a start guide is started The start guide instructions state what needs to carried out at the first start together with a run through of the heat pump s basic settings The start guide ensures that the start up is carried out correctly and cannot be bypassed The start guide can be started later in menu 5 7 F 50 Caution As long asthe start guide is active no function in the installation will start automatically The guide will appear at each installation re start until it is deselected o
7. ufiisag sa2ejday 3eld 7 5 payday J8eus EB an E 9 E Lh 77 y L EX Y 9529 Wd ZVV A E JZ LOLM 34 49 ang UMOJg NIBE F750 Chapter 12 Technical data 80 4 8 L TE 05 4 AW RA 0 7 MYL AOEZXE dV JdiN IX 9 625 aJeg UMPJQ Jueld AN 1 510 HS NY ufiisag sa3ejday 2 Joaus JXeN A 13S 8 9 5 7 17 7 SOLM EUO JL lun AE GSIQ Wd V 7VV 81 Chapter 12 Technical data NIBE F750 82 13 Item register Item register A Accessibility electrical connection 20 Accessories 61 Adjusting ventilation 18 Alarm 59 Assembly 6 B Back button 32 Cable lock 20 Cold and hot water 15 Commissioning and adjusting 28 Filling and venting 28 Preparations 28 Start guide 29 Start up and inspection 29 Connecting accessories 27 Connecting cold and hot water 15 Connecting current sensors 24 Connecting the climate system 15 Connections 21 Contact for activation of fan speed 26 Contact for activation of external adjustment 26 Contact for activation of temporary lux 26 Contact for external tariff blocking 25 Contact information 5 Control 32 36 Control
8. Ventilation flow Connect F750 so that all exhaust air except exhaust air duct air kitchen fan passes the evaporator EP1 in the heat pump The lowest ventilation flow must comply with the applicable national standards For optimum heat pump performance the ventilation flow should not be less than 31 1 5 110 m h Ensure that the ventilation openings are not blocked Set the ventilation capacity in the heat pump s menu system menu 5 1 5 Adjusting ventilation To obtain the necessary air exchange in every room of the house the exhaust air devices must be correctly positioned and adjusted and the fan in the heat pump adjusted Immediately after installation adjust the ventilation so that it is set according to the projected value of the house A defective ventilation installation may lead to reduced installation efficiency and thus poorer operating eco nomy and may result in moisture damage to the house NIBE F750 5 Electrical connections General Disconnect the heat pump before insulation testing the house wiring F750 is not switchable between 3x230V and 3x400V f the building is equipped with an earth fault breaker F750 should be equipped with a separate one f a miniature circuit breaker is used it should have at least motor characteristic See page 64 for fuse size For the heat pump wiring diagram see page 70 Communication and sensor cables
9. 1 Insert the screwdriver A and pry the catch care fully downwards B 2 Angle out the cover and remove it 20 Chapter 5 Electrical connections NIBE F750 Connections To prevent interference unscreened commu nication and or sensor cables to external con nections must not be laid closer than 20 cm from high voltage cables Power connection F750 must be installed via an isolator switch with a minimum breaking gap of 3mm Minimum cable area must be sized according to the fuse rating used Sup plied cable length approx 2 m for incoming supply electricity is connected to terminal block X1 on the immersion heater board AA1 The connection cable can be found on the back of F750 see dimensions diagram below UB1 and UB2 o B Power supply N o a 50 30 F750 is not switchable between 3x230V and 3x400V Connection 3x400V T EE WES
10. Sooo eo uu External F750 UT oooooooooooooooo Caution Changes of temperature in accommodation take time For example short time periods in combination with underfloor heating will not give a noticeable difference in room temperat ure Chapter 5 Electrical connections NIBE F750 Settings l OES Fist Electrical addition maximum output The immersion heater can be set to a maximum of 6 5 kW 7 kW at 3x230V which is also the delivery setting The immersion heater output is divided into steps ac cording to the table Setting maximum output in the electric additional heat is done in menu 5 1 12 Immersion heater power step 3x400V Electrical Max A addition L1 Max A L2 Max A L3 3x230V Electrical Max A addition L1 kW Max A L2 Max A
11. The maximum system volume excluding the boiler is 260 litres at the above pre pressure NIBE F750 System diagram F750 consists of a heat pump water heater buffer vessel immersion heater fan circulation pump and control system F750 is connected to the ventilation system and heating medium circuits When the exhaust air at room temperature passes through the evaporator the refrigerant evaporates because of its low boiling point In this way the energy in the room air is transferred to the refrigerant The refrigerant is then compressed in a compressor causing the temperature to rise considerably The warm refrigerant is led to the condenser Here the refrigerant gives off its energy to the boiler water whereupon the refrigerant changes state from gas to liguid The refrigerant then goes via filters to the expansion valve where the pressure and temperature are reduced The refrigerant has now completed its circulation and returns to the evaporator XL 1 Connection heating medium flow XL 2 Connection heating medium return XL 3 Connection cold water XL4 Connection hot water Chapter 4 Pipe and ventilation connections 13 14 Dimensions and pipe connec Setting out dimensions tions Connection copper XL1 Heating medium supply XL2 Heating medium re turn XL3 Cold water XL4 Hot water Connection stainless steel XL1
12. NIBE Installer manual NIBE F750 Exhaust air heat pump IHB GB 1540 3 331467 Navigation gt Ok button confirm select Back button back undo exit Control knob move increase reduce A detailed explanation of the button functions can be found on page 32 How to scroll through menus and make different settings is described on page 34 Set the indoor climate The mode for setting the indoor temperature is accessed by pressing the OK button twice when in the start mode in the main menu Read more about the settings on page 36 Increase hot water volume To temporarily increase the amount of hot water first turn the control knob to mark menu 2 water droplet and then press the OK button twice Read more about the settings on page 42 In event of disturbances in comfort If a disturbance in comfort of any type occurs there are some measures that can be taken before you need to contact your installer See page 59 for instructions Table of Contents 1 Important information Safety information 2 Delivery and handling Transport Assembly Supplied components Removing the covers Removing parts of the insulation 3 The heat pump design 4 Pipe and ventilation connections _ General pipe connections Dimensions and pipe connections Symbol key Cold and hot water Heating medium side Installation alternative
13. Vent hose length 4 m 10 50 Extra air filter Venting connector only F750 copper 800 Location The kit of supplied items is placed on top of the Y product Depending on whether the panels can be removed or not li NOTE Ensure that there is sufficient space 300 mm above the heat pump for installing ventilation hoses NIBE F750 Chapter 2 Delivery and handling Removing the covers Front cover 1 Remove the air treatment hatch by pulling it straight out 2 Remove the screws from the lower edge of the front cover 3 Lift the cover out at the bottom edge and up 4 Pull the hatch towards yourself Side covers ge The side covers can be removed to facilitate the install ation 1 Remove the screws from the upper and lower edges Twist the cover slightly outward Move the hatch backwards and slightly to the side Pull the cover to one side Pull the hatch forwards MY exc Chapter 2 Delivery and handling Removing parts of the insula tion Parts of the insulation can be removed to facilitate the installation Insulation top 1 Disconnect the cable from the motor and remove the motor from the shuttle
14. 2 Check that the filling valves QM10 and QM11 are Tully closed Caution Check the miniature circuit breaker FA1 in the heat pump It may have tripped during transportation Filling and venting Filling the hot water heater 1 2 3 Open a hot water tap in the house Open the filling valve OM10 This valve should then be fully open during operations When water comes out of the hot water tap the hot water heater is full and the tap can be closed Filling the climate system 1 2 Check that the shut off valve for the heating system OM31 is open Open the vent valves OM20 OM22 OM23 and QM24 For F750 stainless steel Check if the flexi hose supplied is connected between connection QM1 1 and connection QM 13 Adjust the hose if this has not been done For F750 copper Open the filling valve QM1 1 The boiler section and the rest of the climate sys tem are filled with water For F750 stainless steel Open the filler valves OM11 and OM13 The boiler unit and the rest of the climate system are filled with water When the water that exits the vent valves QM 20 OM22 OM23 and QM24 is not mixed with air close the valves After a while the pressure rises on the pressure gauge BP5 When the pressure reaches 2 5 bar 0 25 MPa the safety valve FL2 starts to release water Close the filler valve s OM11 and OM13 Reduce the boiler pressure to th
15. ES A Complete holiday setting about a day before yourreturn so that room temperature and hot water have time to regain usual levels TIP Y Set the vacation setting in advance and activ ate just before departure in order to maintain the comfort GE pe Caution If you choose to switch off hot water produc tion during the vacation periodic increase preventing bacterial growth are blocked during this time periodic increase started in conjunction with the vacation setting being completed Caution If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical addition is permitted to intervene When the compressor is blocked heat is not recovered from the exhaust air Menu 4 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Menu 4 9 1 op prioritisation op prioritisation Setting range 0 to 180 min Default value 30 min Choose here how long the heat pump should work with each requirement if there are two requirements at the same time If there is only one requirement the heat pump only works with that requirement The indicator marks where in the cycle the heat pump 15 If 0 minutes is selected it means that reguirement is not prioritised but will only be activated when there is no other reguirement Chapter 8 Control Menus Menu 4 9 2 auto mode setting stop heating Setting ra
16. UMDJg cl 1d 9 18 55050 60LM yeg 8 L 9 SA 4 E V C NIBE F750 Chapter 12 Technical data 78 8 9 5 V 9 E p 82150 TE 0544 201 BV JAN X MAL AOECXE CET AK ufiisag sa2e dau Vi Ba 33u Joaus JXeN gt 4 HLM 0 lx BIS au an e 4 SH 34749 N ma anig anig LJ y id CVN ag E Lh Yy gt L 9508 Wd CVV 8 L 9 SA yi E y LOLM 34 49 ang umasg se 79 Chapter 12 Technical data NIBE F750 84450 wol EIN UEld MAL NOECXE N303MS CAS dV 44N HIN lt gt 05 4 coD fe 5 E NS TENET N he 7OEM yu y IU Bow 16 T ETE E
17. C kOhm 45 4 348 1 587 50 3 583 1 426 55 2 968 1 278 0 6 65 70 75 80 85 56 Chapter 9 Service NIBE F750 USB service outlet F750 is equipped with a USB socket in the display unit This USB socket can be used to connect a USB memory to update the software save logged information and handle the settings in F750 INDOOR CLIMATE HOT WATER A 54 HEAT PUMP update firmware logging 13 manage settings When a USB memory is connected a new menu menu 7 appears in the display Menu 7 1 update firmware product Heatpump version 716 info Minor changes start updating choose another file This allows you to update the software in F750 For the following functions to work the USB memory must contain files with software for F750 from NIBE The fact box at the top of the display shows information always in English of the most probable update that the update software has selected form the USB memory This information states which product the software is intended for the software version and general inform ation about them If you wish to select another file than the one selected the correct file can be selected by choose another file start updating Select start updating if you want to start the update You are asked whether you really want to update the software Respond yes to continue or
18. Water heating energy efficiency class average climate A 5 5 2066 2793 5 Rated heat output Pdesignh average climate Annual energy consumption space heating average climate Annual energy consumption water heating average climate Seasonal space heating energy efficiency average cli mate 1123 177 130 EEE Water heating energy efficiency average climate Sound power level Lwa indoors Rated heat output Pdesignh cold climate Rated heat output Pdesignh warm climate Annual energy consumption space heating cold cli 2361 3143 mate Annual energy consumption water heating cold cli 1123 mate Annual energy consumption space heating warm cli kWh 1370 1804 Annual energy consumption water heating warm kWh 1123 Seasonal space heating energy efficiency cold climate 185 138 Water heating energy efficiency cold climate 91 Seasonal space heating energy efficiency warm cli 172 130 mate Water heating energy efficiency warm climate 91 Sound power level Ly outdoors d LLL r Data for energy efficiency of the package Model F750 Temperature application C 35 55 Controller class M LLL Controller contribution to efficiency Seasonal space heating energy efficiency ofthe pack 181 134 age average climate Seasonal space heating energy efficiency class of the A A package average climate Seasonal space heating energy efficiency of
19. Hot water ext Cold water ext O Ventilation 66 Chapter 12 Technical data NIBE F750 Other 3x230V Water heater Volume total Volume boiler section of which buffer vessel Volume hot water heater Volume buffer vessel litre Max pressure in hot water heater MPa bar Corrosion protection Stainless steel Capacity hot water heating according to EN 255 36 Tap volume 40 C at Normal comfort V max COP at Normal comfort COP Idle loss at Normal comfort Pes Dimensions and weight Width m 899 _ Depth m Height excl inverter box incl feet Required ceiling height 2270 Weight 205 Part No 066 049 1A20 12 W35 exhaust air flow 108 m3 h 30 I s min compressor freguency 2A20 12 W35 exhaust air flow 252 m3 h 70 1 5 min compressor freguency 3A20 12 W45 exhaust air flow 252 m3 h 70 1 5 max compressor freguency 4The value varies with the selected fan curve For more extensive sound data including sound to channels visit www nibe eu gt The value may vary with the room s damping capacity These values apply with a damping of 4 dB 6A20 12 exhaust air flow 150 m3 h 42 1 5 NIBE F750 Chapter 12 Technical data 67 68 Energy labelling Information sheet Supplier Model Temperature application Declared load profile for water heating L Seasonal space heating energy efficiency class average A A climate
20. Introduction 32 Control Menus 36 Control Introduction 32 Display unit 32 Menu system 33 Control knob 32 Control Menus 36 Menu 1 INDOOR CLIMATE 36 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT PUMP 45 Menu 5 SERVICE 50 D Delivery and handling 6 Assembly 6 Installation area 7 Removing parts of the insulation 8 Removing the covers 8 Supplied components 7 Transport 6 Dimensions and pipe connections 14 Dimensions and setting out coordinates 63 Display 32 Display unit 32 Back button 32 Control knob 32 Display 32 OK button 32 Status lamp 32 Switch 32 Disturbances in comfort 59 Alarm 59 Manage alarm 59 Troubleshooting 59 Draining the climate system 55 Draining the hot water heater 55 E Electrical addition maximum output 23 Chapter 13 Item register Electrical circuit diagram 70 Electrical connections 19 Accessibility electrical connection 20 Cable lock 20 Connecting accessories 27 Connections 21 Electrical addition maximum output 23 External connection options 24 General 19 Load monitor 24 Miniature circuit breaker 19 NIBE Uplink 24 Optional connections 24 Outdoor sensor 21 Power connection 21 Removing the cover base board 20 Removing the cover immersion heater circuit board 20 Removing the hatch input circuit board 20 Room sensor 22 Settings 23 Standby mode 23 Temperature limiter 19 Exhaust air duct 18 External co
21. Setting out dimensions 14 Settings 23 Standby mode 55 Power in emergency mode 23 Start guide 29 Start up and inspection 29 Commissioning without fan 30 Setting the pump speed 30 Setting the ventilation 30 Status lamp 32 Supplied components 7 Switch 32 Switch for Smart Grid ready 25 Switch for external blocking of addition and or compressor 25 Switch for external blocking of heating 26 Symbol key 15 Symbols 2 System diagram 13 T Technical data 63 Dimensions and setting out coordinates 63 Electrical circuit diagram 70 Technical Data 64 Technical Data 64 Temperature limiter 19 Resetting 19 Temperature sensor data 55 The heat pump design 10 Component locations 10 List of components 12 Transport Troubleshooting 59 U USB service outlet 57 Use the virtual keyboard 35 V Ventilation flow 18 Venting the climate system 28 Chapter 13 Item register 83 Atervinning Lamna avtallshanteringen av emballaget till den installator som installerade produkten eller till sarskilda avfallsstationer N r produkten ar uttj nt f r den inte slangas bland vanligt hush llsavfall Den ska l mnas in till s rskilda avfallsstationer eller till terf rsaljare som tillhandah ller denna typ av service Felaktig avfallshantering av produkten fran anvandarens sida g r att administrativa paf ljder tillampas enlighet med g llande lagstiftning Recovery Leave the d
22. no to undo If you responded yes to the previous question the update starts and you can now follow the progress of the update on the display When the update is com plete F750 restarts A software update does not reset the menu settings in F750 NOTE If the update is interrupted before it is com plete for example power cut etc the software can be reset to the previous version if the OK button is held in during start up until the green lamp starts to illuminate takes about 10 seconds Chapter 9 Service 57 58 choose another file product Heatpump version 716 info Minor changes tile2nibe filed nibe Select choose another file if you do not want to use the suggested software When you scroll through the files information about the marked software is shown in a fact box just as before When you have selected a file with the OK button you will return to the previous page menu 7 1 where you can choose to start the update Menu 7 2 logging activated interval Setting range 1 s 60 min Factory setting range 5 s Here you can choose how current measurement values from F750 should be saved onto a log file on the USB memory 1 Set the desired interval between loggings 2 Tick activated 3 The present values from F750 are saved in a file in the USB memory atthe set interval until activated is unticked NOTE gt Untick ac
23. see page 53 The common alarm is preselected at the factory NOTE e An accessory card is required if several func tions are connected to terminal block X7 at the same time that the buzzer alarm is activ ated see page 61 J y 1 zi St x E Mi se Tag ION DON iii il INN RUE SS m a SN Bn a E EZ The picture shows the relay in the alarm position When switch SF1 is in the O or AN position the relay is in the alarm position External circulation pump or hot water circulation pump connected to the buzzer alarm relay as illustrated below NOTE s Markup any junction boxes with warnings for external voltage OOOOOOOOOoOoOoOoOoOo LL F750 External L N PE Circulation pump Connecting accessories Instructions for connecting accessories are provided in the manual accompanying the accessory See page 61 for the list of the accessories that can be used with F750 NIBE F750 Chapter 5 Electrical connections 27 28 6 Commissioning and adjusting Preparations 1 Check that the switch SF1 is in position
24. there is only a heating demand max diff addition If addition is selected and activated in menu 4 2 and the present supply temp exceeds the calculated with set value the additional heat is forced to stop Menu 5 1 4 alarm actions Select how you want the heat pump to alert you that there is an alarm in the display here The different alternatives are thatthe heat pump stops producing hot water default setting and or reduces the room temperature Cy Caution If no alarm action is selected it can result in higher energy consumption in the event of an alarm Menu 5 1 5 fan sp exhaust air normal and speed 1 4 Setting range 0 100 Set the speed for the five different selectable speeds for the fan here Caution An incorrectly set ventilation flow can damage the house and may also increase energy con sumption Chapter 8 Control Menus 51 Menu 5 1 11 charge pump speed Operating status Setting range 1 100 Default values 70 max allowed speed Setting range 50 100 Default values 100 wait mode Setting range 1 100 Default values 30 96 Set the speed at which the charge pump is to operate in the present operating mode Select auto if the speed of the charge pump is to be regulated automat ically factory setting for optimal operation If auto is activated for heating operation you can also make the setting max allowed speed which re stricts the char
25. 25 20 jode 15 10 1 ende 0 0 0 05 011 016 022 027 0 33 038 0 44 0 5 Flow 1 5 Post adjustment venting Air is initially released from the hot water and venting may be necessary If gurgling sounds can be heard from the heat pump or climate system the entire system will reguire additional venting Vent the heat pump through venting valve OM20 OM22 OM23 QM24 When venting F750 must be off Chapter 6 Commissioning and adjusting 31 7 Control Introduction Display unit A Display B Status lamp C OK button D Back button Control knob C F Switch C E v ec G USB port 22 7 A Display Instructions settings and operational informa tion are shown on the display The easy to read display and menu system facilitates navigation between the different menus and options to set the comfort or obtain the information you require B Status lamp The status lamp indicates the status of the heat pump It lights green during normal operation lights yellow in emergency mode lights red in the event of a deployed alarm OK button The OK button is used to confirm selections of sub menus options set values page in the start guide D Back button The back button is used to go back to the previous menu change a setting that has
26. 697 O Fax 09 274 697 40 E mail info nibe fi www nibe fi FR NIBE Energy Systems France Sarl Zone industrielle RD 28 Rue du Pou du Ciel 01600 Reyrieux Tel 04 74 00 92 92 Fax 04 74 00 42 00 E mail info nibe fr www nibe fr GB NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield 541 9QG Tel 0845 095 1200 Fax 0845 095 1201 E mail info nibe co uk www nibe co uk NL NIBE Energietechniek B V Postbus 634 NL 4900 AP Oosterhout Tel 0168 477722 Fax 0168 476998 E mail infoQinibenl nl www nibenl nl NO ABK AS Brobekkveien 80 0582 Oslo Postadresse Postboks 64 Vollebekk 0516 Oslo Tel sentralbord 47 23 17 05 20 E mail post abkklima no www nibeenergysystems no PL NIBE BIAWAR Sp 2 o o Aleja Jana Pawla 57 15 703 BIALYSTOK Tel 085 662 84 90 Fax 085 662 84 14 E mail sekretariat biawar com p www biawar com pl RU EVAN 17 per Boynovskiy Nizhny Novgorod Tel fax 7 831 419 57 06 E mail info evan ru www nibe evan ru SE NIBE AB Sweden Box 14 Hannabadsvagen 5 SE 285 21 Markaryd Tel 46 0 433 73 000 Fax 46 0 433 73 190 E mail info nibe se www nibe se For countries not mention in this list please contact Nibe Sweden or check www nibe eu for more information NIBE F750 Chapter 1 Important information 2 Delivery and handling Transport Assembly F750 should be transported and stored vertically in a Position F750 on a firm base that can take the weight dry place However the F750 ma
27. Closed switch means that tariff blocking is activated NOTE s When tariff blocking is activated the min supply line does not apply Switch for SG ready s This function can only be used mains net works that support the SG Ready standard SG Ready reguires two AUX inputs In cases where this function is reguired it must be connected to terminal block X6 on the input card SG Ready is a smart form of tariff control where your electricity supplier can affect the indoor hot water and or pool temperatures if applicable or simply block the additional heat and or compressor in the heat pump at certain times of the day can be selected in menu 4 1 5 after the function is activated Activate the function by connecting potential free switch functions to two inputs selected in menu 5 4 SG Ready A and SG Ready B see page 53 Closed or open switch means one of the following Blocking A Closed B Open SG Ready is active The compressor in the heat pump and additional heat is blocked like the day s tariff blocking El Normal mode A Open B Open SG Ready is not active No effect on the system Low price mode A Open B Closed SG Ready is active The system focuses on costs savings and can for example exploit a low tariff from the electricity supplier or over capacity from any own power source effect on the system can be adjusted in the menu 4 1 5 Overcap
28. F750 2 B ER _ E E C E 2 3 mE 14 T EM 15 L 6 ER Chapter 5 Electrical connections 22 Room sensor F750 is supplied with a room sensor enclosed BT50 The room sensor has up to three functions 1 Show current room temperature in F750 s display 2 Option of changing the room temperature in C 3 Makes it possible to change stabilise the room temperature Install the sensor in a neutral position where the set temperature is reguired A suitable location is on a free inner wall in a hall approx 1 5 m above the floor It is important that the sensor is not obstructed from measuring the correct room temperature by being located for example in a recess between shelves be hind a curtain above or close to a heat source in a draft from an external door or in direct sunlight Closed radiator thermostats can also cause problems The heat pump operates without the sensor but if one wishes to read off the accommodation s indoor tem perature in F750 s display the sensor must be installed Connect the room sensor to X6 3 and X6 4 on the input board AA3 If the sensor is to be used to change the room temper ature in C and or to change stabilise the room tem perature the sensor must be activated in menu 1 9 4 If the room sensor is used in a room with under floor heating it should only have an indicatory function not control of the room temperature
29. General ventilation connection Ventilation flow Adjusting ventilation 5 Electrical connections General Connections Settings Optional connections Connecting accessories 6 Commissioning and adjusting __ Preparations N ON 0 10 13 13 14 15 15 15 16 18 18 18 19 19 21 23 24 2 28 28 Filling and venting 28 Start up and inspection 29 7 Control Introduction 32 Display unit 32 Menu system 33 8 Control Menus 36 Menu 1 INDOOR CLIMATE 36 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT PUMP 45 Menu 5 SERVICE 50 9 Service 55 Service actions 55 10 Disturbances in comfort 59 Info menu 59 Manage alarm 59 Troubleshooting 59 11 Accessories 61 12 Technical data 63 Dimensions and setting out coordinates 63 Technical specifications 64 Energy labelling 68 Electrical circuit diagram 70 Index 82 Table of Contents 1 Important information Safety information This manual describes installation and service proced ures for implementation by specialists This appliance can be used by children aged trom 8 years and above and per sons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Chil dren shal
30. Heating medium supply Pipe dimensions Connection XL1 XL2 Heating medium ext XL2 Heating medium re mm 165 270 turn me mm ue OC MEDEL DIESES XL3 Cold water ext The drip tray WM1 can be turned so that the pipe can be directed forwards or backwards to simplify connec tion of the hose to the drain Chapter 4 Pipe and ventilation connections NIBE F750 Symbol key Symbol Meaning Venting valve Shut off valve Trim valve Shunt shuttle valve Safety valve Temperature sensor Expansion vessel Pressure gauge Circulation pump Particle filter Compressor Heat exchanger NIBE F750 Cold and hot water Connecting cold and hot water A mixer valve must also be installed if the factory set ting for hot water is changed National regulations must be observed The setting is made in menu 5 1 1 page 51 lt TX Me ins HO Heating medium side Connecting the climate system When connecting to a system with thermostats on all radiators underfloor heating coils a relief valve must be fitted or a thermostat must be removed to ensure sufficient flow A filter must be installed on the return line Chapter 4 Pipe and ventilation connections 15 Installation alternative F750 can be installed in several different ways some of which are shown below Further option information is avai
31. L3 0 0 The table shows maximum phase current operating 230 V electric additional heat fan and circulation pumps at the different settings In addition to this there is the current for the com pressor which depending on operation may amount to 12A on L2 10A on L1 and L2 and 1A on L3 at 3x230V If the current sensors are connected the heat pump monitors the phase currents and allocates the electrical steps automatically to the least loaded phase NIBE F750 Emergency mode When the heat pump is set to emergency mode SF1 is set to AN only the most necessary functions are ac tivated The compressor is off and heating is managed by the immersion heater Hot water is not produced The load monitor is not connected Switch 581 must not be moved to I or until F750 has been filled with water Other wise the temperature limiter thermostat and the immersion heater may be damaged Power in emergency mode The immersion heater s power in emergency mode is set with the dip switch S2 on the immersion heater board AA1 according to the table below The factory setting is 4 KW 5 kW at 3x230V 3x400V Chapter 5 Electrical connections 24 3x400V 3x230V The image shows the dip switch AA1 S2 in the factory setting that is 4 kW 5 kW at 3x230V Emergency mode thermostat The supply temperature is set in emergency mode
32. SAM 40 and the accumu lator tank AHPS Part no 067 313 Docking kits SCA 40 SCA 40 means that F750 can be connected to solar heating when docking with water heater VPBS 300 Part no 067 137 Docking kits SCA 41 SCA 41 means that F750 can be connected to solar heating external additional heat and or prioritised additional heat when docking with accumulator tank AHPS Part no 067 316 Extra shunt group ECS 40 ECS 41 This accessory is used when F750 is installed in houses with two or more different heating systems that require different supply temperatures ECS 40 Max 80 m Part no 067 287 ECS 41 Min 80 m Part no 067 288 Supply air module SAM 40 SAM 40 is a supply air module specially developed for houses with supply and exhaust air systems Part no 067 147 Top cabinet Top cabinet with sound insulation that conceals the ventilation ducts and reduces the sound to the boiler room by 1 2 dB A 245 mm Part no 089 756 345 mm Part no 089 757 395 645 mm Part no 089 758 Water heater Accumulator tank AHPS Accumulator tank with a solar coil copper and a combined pre heating and post heating coil stainless steel for hot water production Part no 056 283 AHP Volume expansion vessel that is primarily used for ex panding the volume together with AHPS Part no 056 284 VPB 200 Extra water heater without immersion heater Placed to the left of F750 for easy installation Copp
33. TOL lt 20 C kW Tj 15 C if TOL lt 20 C COPd kW Bivalent temperature C Min outdoor air temperature TOL C Cycling interval capacity kW Cycling interval efficiency COPcyc Degradation coefficient Max supply temperature WTOL C Power consumption in modes other than active mode Additional heat Off mode Poff Rated heat output Psup 1 5 Thermostat off mode Standby mode Type of energy input Electric Crankcase heater mode Other items Capacity control Variable Rated airflow air water Sound power level indoors outdoors Annual energy consumption 44 Nominal heating medium flow Brine flow brine water or water water heat pumps For heat pump combination heater Declared load profile for water heating L Water heating energy efficiency Daily energy consumption Que 511 kWh Daily fuel consumption Annual energy consumption NIBE F750 AEC Annual fuel consumption Chapter 12 Technical data 69 Electrical circuit diagram 3x400V OSLd GANN S V 7 MJS i 9 A00 XE av 38 1 2 05 NE A007
34. and pressing the OK button Menu 4 1 3 9 proxy settings You can set proxy settings for your installation here Proxy settings are used to give connection information to a intermediate server proxy server between the installation and Internet These settings are primarily used when the installation connects to the Internet via a company network The installation supports proxy authentication of the HTTP Basic and HTTP Digest type If unsure about applicable settings contact your net work administrator or similar for further information Setting 1 Tick use proxy if you do not want to use a proxy 2 Mark server and press the OK button 3 Enter the correct details via the virtual keypad 4 Mark OK and press the OK button 5 Repeat 1 for port user name and pass word Mark confirm and press the OK button Chapter 8 Control Menus TIP N Y All settings made since opening the menu can be reset by marking reset and pressing the OK button Menu 4 1 4 sms accessory is required Make settings for the accessory SMS 40 here Add the mobile numbers that are to have access to change and receive status information from the heat pump Mobile numbers must include country code e g 46 XXXXXXXX If you want to receive an SMS message in the event of the alarm mark the box to the right of the telephone number NOTE s Telephone numbers provided must be able to receive SMS messa
35. in forced mode Enter menu 1 2 and select normal External switch for changing the fan speed activated Check any external switches Filter HO10 blocked Clean or replace the filter The compressor does not start There is no heating requirement The heat pump does not call on heating nor hot water The heat pump defrosts Temperature conditions tripped Wait until the temperature condition has been re set Minimum time between compressor starts has not been reached Wait 30 minutes and check if the compressor has started Alarm tripped Follow the display instructions NIBE F750 11 Accessories Base extension EF 45 Part no 067 152 Communications module MODBUS 40 MODBUS 40 enables F750 to be controlled and mon itored using a DUC computer sub center in the building Communication occurs using MODBUS RTU Partno 067 144 Communications module SMS 40 SMS 40 enables operation and monitoring of F750 via a GSM module using a mobile phone via SMS mes sages If the mobile telephone also has the Android operating system the mobile application NIBE Mobile App can be used Part no 067 073 Docking kit DEW 40 There are separate docking kits available for connecting water heater VPB 200 to the heat pump Part no 067 163 Docking kit SCA 42 SCA 42 means that F750 can be connected to solar heating external additional heat and or prioritised addition when docking with
36. midnight Scheduling then stops at the set stop time the day after Scheduling always starts on the date that the start time is set for Caution Long term blocking can cause reduced comfort and operating economy Chapter 8 Control Menus 49 50 Menu 5 SERVICE Overview 5 SERVICE 5 1 operating settings 5 1 1 hot water settings 5 1 2 max flow line temperature 5 1 3 max diff flow line temp 5 1 4 alarm actions 5 1 5 fan sp exhaust air 5 1 11 charge pump speed 5 1 12 internal electrical addition 5 1 14 flow set climate system 5 1 24 blockFreq 5 1 99 other settings 5 2 system settings 5 3 accessory settings 5 4 soft in outputs 5 5 factory setting service 5 6 forced control 5 7 start guide 5 8 quick start 5 9 floor drying function 5 10 change log COUNTY Accessory needed Go to the main menu and hold the Back button in for 7 seconds to access the Service menu Sub menus Menu Bass has orange text and is intended for the advanced user This menu has several sub menus Status information for the relevant menu can be found on the display to the right of the menus Jol Ila Operating settings for the heat pump System settings for the heat pump activating accessories etc ce Operational settings for different accessories Setting software controlled in and outputs on the Input circuit boa
37. not been con firmed E Control knob The control knob can be turned to the right or left You can scroll in menus and between options increase and decrease the values change page in multiple page instructions for example help text and service info 32 Chapter 7 Control Introduction Switch SF1 The switch assumes three positions On Standby Emergency mode AN see page 55 Emergency mode must only be used in the event of a fault on the heat pump In this mode the compressor switches off and the immersion heater engages The heat pump display is not illuminated and the status lamp illuminates yellow USB port The USB port is hidden beneath the plastic badge with the product name on it The USB port is used to update the software Visit http www nibeuplink com and click the Software tab to download the latest software for your installation NIBE F750 Menu system When the door to the heat pump is opened the menu system s four main menus are shown in the display as well as certain basic information Outdoor temperature Indoor temperature if room sensors are installed J IDOOR CLIMATE HOT WATER Hot water temp Information about operation SERVICE HEATPUMP Temporary lux if activated Estimated amount of hot water Menu 1 INDOOR CLIMATE Setting and scheduling the indoor climate See page 36 Menu 2 HOT WATER Setting a
38. red El In a 4 5 6 bl A ATI PN rout les NOOTING NI lt m ENW u w If the operational interference is not shown in the dis play the following tips can be used Basic actions Start by checking the following possible fault sources The switch s SF1 position Group and main fuses of the accommodation The property s earth circuit breaker The heat pump s miniature circuit breaker FA1 The heat pump s temperature limiter FD1 Correctly set load monitor if installed Low hot water temperature or a lack of hot water Closed or choked filling valve QM10 for the hot water heater Open the valve Mixing valve if there is one installed set too low Adjust the mixer valve Heat pump in incorrect operating mode Enter menu 4 2 If mode auto is selected select a higher value on stop additional heat in menu 4 9 2 f mode manual is selected select addition Large hot water consumption Wait until the hot water has heated up Temporar ily increased hot water capacity temporary lux can be activated in menu 2 1 Too low hot water setting Enter menu 2 2 and select a higher comfort mode Too low or no operating prioritisation of hot water Enter menu 4 9 1 and increase the time for when hot water is to be prioritised Note that if the time for hot water is increased the time for heating production is r
39. regardless of whether the compressor is operat ing or not alternatively different speeds If the function is activated fan speed 2 applies when the compressor is not in operation and fan speed normal when the compressor is in operation Menu 5 2 system settings Make different system settings for the heat pump here e g which accessories are installed Menu 5 2 4 accessories Inform the heat pump which accessories are installed here There are two ways of activating connected accessories You can either mark the alternative in the list or use the automatic function search installed acc search installed acc Mark search installed acc and press the OK button to automatically find connected accessories for F750 Menu 5 3 accessory settings The operating settings for accessories that are installed and activated are made in the sub menus for this Menu 5 3 3 extra climate system mixing valve amplifier Setting range 0 1 10 0 Default value 1 0 mixing valve step delay Setting range 10 300 5 Default values 30 s deg Caution This setting option only appears if passive act ive cooling 2 pipe or passive cooling 2 pipe is activated in menu 5 2 4 The shunt amplification and shunt waiting time for the different extra climate systems that are installed are also set here See the accessory installation instructions for function description Menu 5 4 soft in outputs Here you can select
40. room unit is installed Oth erwise the exhaust air temperature is shown To read off an average temperature 1 Turn the control knob so that the ring on the shaft with the week number is marked 2 Pressthe OK button 3 Followthe grey line up to the graph and outto the left to read off the average indoor temperature at the selected week 4 You can now select to take read outs for different weeks by turning the control knob to the right or left and read off the average temperature 5 Pressthe OK or Back button to exit read off mode NIBE F750 Menu 4 HEAT PUMP Overview 4 HEAT PUMP 4 1 plus functions 4 2 op mode 4 3 my icons 4 4 time amp date 4 6 language 4 7 holiday setting 4 9 advanced Accessory needed Sub menus For the menu there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Settings applying to any installed extra unctions in the heating system Activation of manual or automatic operat ing mode The status information shows the selected operating mode Settings regarding which icons in the heat pump s user interface that are to appear in the slot when the door is closed In deca Setting current time and date Select the language for the display here The status information shows the selected language Vacation scheduling heating hot water and vent
41. side climate system There is a risk of scalding The hot water can be tapped through safety valve FL2 via the overflow WM1 or through a hose that is connected to the safety valve s FL2 or the drain valve s XL10 outlet 1 Open the safety valve FL2 or the drain valve XL10 2 Set the vent valves for the climate system OM20 QM22 QM23 QM24 in the open position for air supply NIBE F750 NOTE The heat pump should not after draining be exposed to risk of freezing because a certain of water remains in the coil Helping the circulation pump to start GP1 1 Shut off F750 by setting the switch SF1 to 2 Remove the front cover 3 Loosen the venting screw 5 with a screwdriver Hold a cloth around the screwdriver blade as a small amount of water may run out 4 Insert screwdriver and turn the pump motor around 5 Screw in the venting screw 5 6 Start F750 by setting the switch SF1 to I and check whether the circulation pump works It is usually easier to start the circulation pump with F750 running switch SF1 set to I If the circulation pump is helped to start while F750 is running be pre pared for the screwdriver to jerk when the pump starts Vent screw QM5 Temperature Resistance C kOhm 40 351 0 Voltage VDC 3 256 Chapter 9 Service Temperature Resistance Voltage VDC
42. the pack 189 142 age cold climate Seasonal space heating energy efficiency ofthe pack 176 134 eese The reported efficiency of the package also takes the controller into account If an external supplementary boiler solar heating is added to the package the overall efficiency of the package should be recalculated Chapter 12 Technical data NIBE F750 Technical documentation Model Type of heat pump Ll Air water Exhaust water Ll Brine water Ll Water water 0 Yes No Yes L No Yes 0 y Average L Cold L Warm y Average 55 C Ll Low 35 C EN14825 EN16147 Low temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Temperature application Applied standards Rated heat output Prated Seasonal space heating energy efficiency Declared capacity for space heating at part load and at outdoor temperature Tj Declared coefficient of performance for space heating at part load and at outdoor temperature Tj Tj 7 C Pdh 3 4 kW Tj 7 C COPd 2 5 kW Tj 2 C Pdh 2 6 kW Tj 2 C COPd 3 3 kw 7 Pdh 1 7 kW 7 COPd 4 3 kW Tj 12 C Pdh 1 7 kw Tj 12 C COPd 4 3 kW Tj biv Pdh 3 3 kW Tj biv COPd 2 8 kW TOL 3 0 kw Tj TOL COPd 2 4 kW Tj 15 C if
43. to external con nections must not be laid close to high current cables The minimum area of communication and sensor cables to external connections must be 0 5 mm up to 50 m for example EKKX or LiYY or equivalent When cable routing in F750 cable grommets UB1and UB2 marked in image must be used In UB1 and UB2 the cables are inserted through the heat pump trom the back to the front For dimensions diagram see page 21 UB1 UB2 The switch SF1 must not be moved to or Z until the boiler has been filled with water Otherwise the temperature limiter thermostat and the immersion heater can be damaged NOTE If the supply cable is damaged only NIBE its service representative or similar authorised person may replace it to prevent any danger and damage NOTE Electrical installation and service must be car ried out under the supervision of a qualified electrician Cut the current with the circuit breaker before carrying out any servicing Electrical installation and wiring must be car ried out in accordance with the stipulations in force NIBE F750
44. using a thermostat FD1 BT30 It can be set to 35 pre set for example under floor heating or 45 C for example radiators pou 45 C Optional connections Load monitor When many electrical appliances are connected in the property at the same time as the electric additional heat is operating there is a risk of the property s main fuse tripping The heat pump has integrated load monitors that control the electrical steps for the elec trical addition by redistributing the power between the different phases or disengaging in event of over load in a phase Reconnection occurs when other cur rent consumption is reduced Connecting current sensors NOTE Thebuilding s phases can have different loads If the inverter is connected to a heavily loaded phase there is a risk of the compressor shut ting down and the electrical addition operat ing longer than expected This means that savings will not be as expected A current sensor should be installed on each incoming phase conductor in to the distribution box to measure the current The distribution box is an appropriate in stallation point Chapter 5 Electrical connections Connect the current sensors to a multi core cable in an enclosure next to the electrical distribution unit The multi core cable between the enclosure and the heat pump must have a cable area of at least 0 5 mm Connect the cable to the input board AA3 on terminal X4 1 4 block w
45. water and or heating in the accommodation is achieved Menu 4 3 my icons You can select what icons should be visible when the door to F750 is closed You can select up to 3 icons It you select more the ones you selected first will disap pear The icons are displayed in the order you selected them Menu 4 4 time amp date Set time and date display mode and time zone here TIP Ud Y Time and date are set automatically if the heat pump is connected to NIBE Uplink To obtain the correct time the time zone must be set Menu 4 6 language Choose the language that you want the information to be displayed in here Menu 4 7 holiday setting To reduce energy consumption during a holiday you can schedule a reduction in heating ventilation and hot water temperature Solar panel cooling can also be scheduled if the function is connected Chapter 8 Control Menus 47 48 If a room sensor is installed and activated the desired room temperature C is set during the time period This setting applies to all climate systems with room Sensors If a room sensor is not activated the desired offset of the heating curve is set One step is usually enough to change the room temperature by one degree but in some cases several steps may be reguired This setting applies to all climate systems without room sensors Vacation scheduling starts at 00 00 on the start date and stops at 23 59 on the stop date
46. week by week during the past year Menu 3 1 service info Information about the heat pump s actual operating status e g current temperatures etc can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Symbols in this menu Compressor f Heating L ai Addition Hot water zz H Circulation Ventilation pump climate system Menu 3 2 compressor info Information about the compressor s operating status and statistics can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Menu 3 3 add heat info Information about the additional heat s settings oper ating status and statistics can be obtained here No changes can be made Chapter 8 Control Menus The information is on several pages Turn the control knob to scroll between the pages Menu 3 4 alarm log To facilitate fault finding the heat pump operating status at alarm alerts is stored here You can see inform ation for the 10 most recent alarms To view the run status in the event of an alarm mark the alarm and press the OK button Menu 3 5 indoor temp log Here you can see the average temperature indoors week by week during the past year The dotted line indicates the annual average temperature The average outdoor temperature is only shown if a room temperature sensor
47. 13 114 115 16 ION DOT The example above uses the inputs AUX1 6 9 10 andAUX2 X6 11 12 on the input circuit board AA3 CP Caution Some of the following functions can also be activated and scheduled via menu settings Possible selection for AUX inputs Switch for external blocking of addition and or compressor Blocking for addition heat and compressor is connected on two different AUX inputs If external blocking of additional heat and or com pressor is wanted this can be connected to terminal block X6 on the input board AA3 which is positioned behind the front cover The additional heatand or the compressor are discon nected by connecting a potential free switch function to the input selected in menu 5 4 see page 53 External blocking of addition and compressor can be combined A closed contact results in the electrical output being disconnected Blocking via AUX input is reguired during tariff control Contact for external tariff blocking In those cases where external tariff blocking is used it can be connected to terminal block X6 on the input board AA3 which is positioned behind the front cover Tariff blocking means that the additional heat the compressor the heating and hot water are blocked by connecting a potential free switch function to the input selected in menu 5 4 see page 53
48. LE a F3 eNN L418 Z est SI lp RENE Z LL8 Us T 11g cz IE S UMOJg MOTIS A T 0416 1 Lain oz18 HZ 1 Ir OES zal i 1219 47 A gt 1883 U38 UMDJg 2 IT 1 X9 14x12 Elg Z NET e e UT mmy a ll UMDJg cl 1d 9 18 55050 60LM yeg 8 L 9 SA 4 E V C NIBE F750 Chapter 12 Technical data 72 8 5 V 7 2 0514 TRINA 38 MS 9 A00 XE IR SEEN ufiisag sa2e dau Vi Ba 33u Joaus JXeN gt 1 a 5 4 UM 0EM 5 E g 5 5 RI z Bf eh eh MN e ES m 34 09 N ang ang l s 1 i yeg ZYN ae E o n L sE EX gseg VJd CVV 8 L 9 SA 7 y EC LOLM 34 49 ang umasg se 73 Chapter 12 Technical data NIBE F750 8 l 5 V 4 Z 84450 n 0544 CEN 1 av 38 X MYS 9 A00 XE FS 1 ufiisag sa2e
49. M p 1 ZOLM 9 R 9 SA VJd LVV ML MXC MXZ MC NIBE F750 Chapter 12 Technical data 76 TE 05 4 ood LOIJEI0 2 3JeQ UMEJ amp 3ANI ufiisag sa3e day pax2auj3 JeaUs Mole 7 09900 E ldd 10 Jdd dej MAL AQECXE crit TE fF H Yg E E umoJg HUN JV Ja JaAu 77 Chapter 12 Technical data NIBE F750 8 L 9 S V 9 E A 6 8250 05 4 QUEDA gv 38 MAL NOECXE UEld ufiisag sa3e day E 48845 Jgaus 2g ONS pela WMd Umag 2 10 007 ang co ntl
50. XL 1 Connection heating medium flow line XL 2 Connection heating medium return line 3 Connection cold water XL4 Connection hot water XL 5 Connection hot water circulation XL10 Connection draining heating medium XL31 Ventilation connection exhaust air XL32 Ventilation connection extract air HVAC components CM 1 Expansion vessel FL 1 Safety valve water heater FL 2 Safety valve climate system FL 6 Vacuum valve FQ 1 Mixer valve hot water GP 1 Circulation pump GP 6 Heating medium pump2 OM 10 Filler valve hot water heater QM 11 Filler valve climate system QM 13 Filler valve 2 climate system QM 20 Venting heating medium QM 22 Venting coil OM 23 Venting buffer tank QM 24 Venting heat exchanger OM 31 Shut off valve heating medium flow ON 10 Shuttle valve climate system water heater QN27 Reversing valve circulation climate system RM 1 Non return valve WM 1 Tundish WM 2 Overflow water discharge WP1 Overflow pipe safety valve hot water heater WP2 Overflow pipe safety valve climate system WP3 Overflow pipe condensation Sensors etc BP 1 High pressure pressostat BP2 Low pressure pressostat BP 5 Pressure gauge heating system BS 1 Air speed sensor BT 1 Outside sensor BT 3 Temperature sensors heating medium return BT 6 Temperature sensor hot water control BT 7 Temperature sensor hot water display BT 12 Temperature sensor heating medium flow after condenser BT 14 Temperatur
51. acity mode A Closed Closed SG Ready is active The system is permitted to run at full capacity at over capacity very low price with the electricity supplier effect on the system is set table in menu 4 1 5 A SG Ready A and B SG Ready B Switch for Adjust Using Adjust the installation communicates with the underfloor heating s control centre and adjusts the heat curve and calculated supply temperature accord ing to the underfloor heating system s reconnection Chapter 5 Electrical connections 25 26 Activate the climate system you want Adjust to affect by highlighting the function and pressing the OK but ton Support for Adjust reguired 4 Adjustmustfirst be selected in menu 5 4 soft inputs outputs NOTE Circuit board AA3 in the installation must have at least input version 34 and the software version must have display version 5539 or later for Adjust to work Version can be checked in menu 3 1 under input version respectively display version New software can be downloaded for free from www nibeuplink com NOTE In systems with both underfloor heating and radiators NIBE ECS 40 41 should be used for optimum operation Switch for external blocking of heating In those cases where external blocking of heat is used it can be connected to terminal block X6 on the input board AA3 which is positioned behind the front cover Heating operation
52. alue that de termines how much an over or sub normal temperature the difference between the desired and actual room temperature in the room is to affect the supply tem perature to the climate system A higher value gives a greater and faster change of the heating curve s set offset NOTE s Too high a set value for factor system can depending on your climate system produce an unstable room temperature Chapter 8 Control Menus If several climate systems are installed the above set tings can be made for the relevant systems Menu 1 9 6 fan return time speed 1 4 Setting range 1 99h Default value 4 h Here you select the return time for temporary speed change speed 1 4 on the ventilation in menu 1 2 Return time is the time it takes before ventilation speed returns to normal Menu 1 9 7 own curve supply temperature heating Setting range 0 80 C You can create your own heating curve here if there are special requirements by setting the desired supply temperatures for different outdoor temperatures Caution Curve O in menu 1 9 1 must be selected for own curve to apply Menu 1 9 8 point offset outdoor temp point Setting range 40 30 C Default value O C change in curve Setting range 10 10 C Default value 0 C Select a change in the heating curve at a certain out door temperature here One step is usually enough to change the room temperature by one degree b
53. are to be permitted Change the operating mode by marking the desired mode and pressing the OK button When an operating mode is selected it shows what is permitted in the heat pump crossed out not permitted and selectable al ternatives to the right To select selectable functions that are permitted or not mark the function using the control knob and press the OK button Operating mode auto In this operating mode the heat pump automatically selects what functions are permitted Operating mode manual In this operating mode you can select what functions are permitted You cannot deselect compressor in manual mode Operating mode add heat only In this operating mode the compressor is not active only additional heat is used Caution If you choose mode add heat only the com pressor is deselected and there is a higher op erating cost Functions compressor is that which produces heating and hot water for the accommodation If compressor is deselected a symbol in the main menu on the heat pump symbol is displayed You cannot deselect com pressor in manual mode addition is what helps the compressor to heat the accommodation and or the hot water when it cannot manage the whole requirement alone heating means that you get heat in the accommod ation You can deselect the function when you do not wish to have heating running Caution If you deselect addition it may mean that insufficient hot
54. ations 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 v Description Signature Date Ventilation page 18 Setting the ventilation flow pp System vented Circulation pump setting mU I NN N Hot water page 15 Mixing valve Electricity page 19 40 Fuses heat pump Fuses property Outside sensor Safety breaker Earth circuit breaker Chapter 1 Important information NIBE F750 Contact information AT Energietechnik GmbH Gahberggasse 11 4861 Sch rfling Tel 43 0 7662 8963 0 Fax 43 0 7662 8963 44 E mail mail knv at www knv at CH NIBE W rmetechnik c o ait Schweiz AG Industriepark CH 6246 Altishofen Tel 52 647 00 30 Fax 52 647 00 31 E mail info nibe ch www nibe ch CZ Druzstevni zavody Drazice s r o Drazice 69 CZ 294 71 Benatky nad Jizerou Tel 420 326 373 801 Fax 420 326 373 803 E mail nibe nibe cz www nibe cz DE NIBE Systemtechnik GmbH Am Reiherpfahl 3 29223 Celle Tel 05141 7546 0 Fax 05141 7546 99 E mail info nibe de www nibe de DK V lund Varmeteknik A S Member of the Nibe Group Brog rdsvej 7 6920 Videb k Tel 97 17 20 33 Fax 97 17 29 33 E mail info volundvt dk www volundvt dk Fl NIBE Energy Systems OY Juurakkotie 3 01510 Vantaa Puh 09 274
55. cted on the left above the switch The display to the right above the switch must not be illuminated at all Itisalso important that you set the correct temperature difference on the heating medium pump GP1 This is done in menu 5 1 14 The heating medium pump GP1 can adjust the total capacity for heating medium pump 2 GP6 dependent on the operation which explains the large working range for each curve in the above diagram NIBE F750 Available external pressure climate system Pressure kPa Speed I 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 0 05 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 Available external pressure climate system Speed II Pressure kPa Flow 1 5 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 005 0 10 0 15 0 20 0 25 0 30 0 35 040 0 45 0 50 Available external pressure climate system Speed lll Pressure kPa 140 Flow 1 5 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 0 05 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 NIBE F750 Flow 1 5 Output heating medium pump GP6 Power output W 50 45 40 35 30
56. ctory setting personal settings such as heating curves ventilation etc must be reset Menu 4 9 5 schedule blocking The compressor can be scheduled to be blocked for up to two different time periods here When scheduling is active the actual blocking symbol in the main menu on the heat pump symbol is dis played Activated Schedule e activated all mon tues we thur 1400 1630 fri sat sun Conflict Day Time period Blocking Schedule The period to be changed is selected here Activated Scheduling for the selected period is activ ated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Blocking The desired blocking is selected here Conflict If two settings conflict with each other a red exclamation mark is displayed Blocking the compressor Blocking additional heat N If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days NIBE F750 TIP Set the stop time earlier than the start time so that the period extends beyond
57. e 28 Closed valve OM31 to the heating system Open the valve Incorrect value set in menu 5 1 12 Enter menu 5 1 12 and increase the value on set max electrical add Incorrect value set in menu 5 1 13 Enter menu 5 1 13 and increase the value if possible on max installed el pwr only this machine High room temperature Too high setvalue on the automatic heating control Enter menu 1 1 temperature and reduce the off set heating curve If the room temperature is only high in cold weather the curve slope in menu 1 9 1 heating curve needs adjusting down External switch for changing the room heating activ ated Check any external switches Low system pressure Not enough water in the heating system Top up the water in the heating system see page 28 Low or a lack of ventilation The ventilation is not adjusted Order implement ventilation adjustment Filter HQ10 blocked Clean or replace the filter Exhaust air device blocked or throttled down too much Check and clean the exhaust air devices Fan speed in reduced mode Enter menu 1 2 and select normal External switch for changing the fan speed activated Check any external switches H Chapter 10 Disturbances in comfort High or distracting ventilation The ventilation is not adjusted Order implement ventilation adjustment Fan speed
58. e a connection string 3 When a connection string has been received it is shown in this menu at connection string and is valid for 60 minutes Disconnect all users 1 Mark switch off all users and press the OK button 2 Theinstallation now communicates with NIBE Up link to release your installation from all connec ted users via the internet Chapter 8 Control Menus 45 46 NOTE After disconnecting all users none of them can monitor or control your installation via NIBE Uplink without requesting a new connection string Menu 4 1 3 8 tcp ip settings You can set TCP IP settings for your installation here Automatic setting DHCP 1 Tick automatic The installation now receives the TCP IP settings using DHCP 2 Mark confirm and press the OK button Manual setting 1 Untick automatic you now have access to several setting options Mark ip address and press the OK button Enter the correct details via the virtual keypad Mark OK and press the OK button Repeat 1 3 for net mask gateway and dns Mark confirm and press the OK button Qu M dee Caution The installation cannot connect to the internet without the correct TCP IP settings If unsure about applicable settings use the automatic mode or contact your network administrator or similar for further information gt A Y All settings made since opening the menu can be reset by marking reset
59. e normal working range approx 1 bar by opening the vent valves QM20 OM22 QM23 and OM24 or safety valve FL2 Check that there is water in the overflow cup 1 Start the heat pump and allow it to run in both heating and hot water modes Vent the climate system see section Venting the climate system If the overflow cup requires topping up 1 Turn the safety valve FL1 anticlockwise carefully Chapter 6 Commissioning and adjusting Venting the climate system 1 ES Set the switch SF1 in mode and wait approx 30 seconds Turn off the power supply to the heat pump Vent the heat pump via the vent valves QM20 OM22 OM23 OM24 and the rest of the cli mate system via the relevant vent valves Keep topping up and venting until all air has been removed and the pressure is correct NOTE The vent hoses from the container must be drained of water before air can be released This means that the system is not necessarily vented despite the flow of water when the vent valves QM20 QM22 OM23 QM24 are opened F750 copper ww i ov WM1 F750 stainless steel
60. e sensor hot gas BT 15 Temperature sensor fluid pipe BT 16 Temperature sensor evaporator BT 17 Temperature sensor suction gas BT20 Temperature sensor exhaust air BT 21 Temperature sensor extract air Chapter 3 The heat pump design BT30 Thermostat backup heating BT 50 Room sensor BT61 Temperature sensor heating medium flow after buffer vessel BT62 Temperature sensor heating medium return after buffer vessel BT63 Temperature sensor heating medium supply after immersion heater Electrical components AA 1 Immersion heater card AA2 Base AA3 Input circuit board AA4 Display unit AA4 XJ3 USB socket AA4 XJ4 Service socket AA23 Communication board AA101 Connection card sensor CA 1 Capacitor EB 1 Immersion heater FA 1 Miniature circuit breaker FD 1 Temperature limiter QA 40 Inverter RA 1 Choke RA 2 Choke RF EMC card SF 1 Switch W130 Network cable for NIBE Uplink M Cooling components EP 1 Evaporator 2 Condenser GQ10 Compressor HZ 2 Drying filter QN 1 Expansion valve Ventilation GQ2 Exhaust air fan 10 Exhaust air filter UR 1 Filter cover exhaust air Miscellaneous Rating plate Serial number plate UB1 Cable gland UB2 Cable gland 1Not visible in the image 3Only heat pumps with stainless steel vessel Designations in component locations according to standard IEC 81346 1 and 81346 2 4 Pipe and ventilation connections General pipe connections Pi
61. educed which can give lower un even room temperatures Low room temperature Closed thermostats in several rooms See the Saving tips section in the User manual for more detailed information about how to best set the thermostats Heat pump in incorrect operating mode Enter menu 4 2 If mode auto is selected select a higher value on stop heating in menu 4 9 2 If mode manual is selected select heating It this is not enough select addition Too low set value on the automatic heating control Chapter 10 Disturbances in comfort 59 60 Enter menu 1 1 temperature and adjust the offset heating curve up If the room temperature is only low in cold weather the curve slope in menu 1 9 1 heating curve needs adjusting up Too low or no operating prioritisation of heat Enter menu 4 9 1 and increase the time for when heating is to be prioritised Note that if the time tor heating is increased the time for hot water production is reduced which can give smaller amounts of hot water comfort mode luxury selected in combination with large hot water outlet Enter menu 2 2 and select economy or normal Holiday mode activated in menu 4 7 Enter menu 4 7 and select External switch for changing the room heating activ ated Check any external switches Circulation pump s GP1 and or GP6 have stopped Air in the heating system Vent the heating system see pag
62. emperature falls below 16 C the compressor is blocked and electric addi tional heat is permitted Heat is not recovered trom the exhaust air when the compressor is blocked NIBE F750 TIP N Y Wait 24 hours before making a new setting so that the room temperature has time to stabilise If it is cold outdoors and the room temperature is too low increase the curve slope in menu 1 9 1 1 by one increment If it is cold outdoors and the room temperature is too high reduce the curve slope in menu 1 9 1 1 by one increment If it is warm outdoors and the room temperat ure is too low increase the value in menu 1 1 1 by one increment If itis warm outdoors and the room temperat ure is too high reduce the value in menu 1 1 1 by one increment Menu 1 2 ventilation Setting range normal and speed 1 4 Default value normal The ventilation in the accommodation can be tempor arily increased or reduced here When you have selected a new speed a clock starts a count down When the time has counted down the ventilation speed returns to the normal setting If necessary the different return times can be changed in menu 1 9 6 The fan speed is shown in brackets in percent after each speed alternative TIP N 2 Y If longer time changes are required use the holiday function or scheduling Menu 1 3 scheduling In the menu 8947118 indoor climate heating vent ilation is scheduled for each weekday Y
63. er Part 088 515 Enamel Part no 088 517 Stainless Part no 088 518 steel VPB 750 Copper lined water heater with charge coil Part no 083 230 Eminent Eminent copper is available in three sizes 35 55 and 100 35 Part no 072 310 55 Part no 072 340 100 Part no 072 370 Chapter 11 Accessories 61 Compact Compact copper is available in three sizes 100 200 and 300 100 Part no 076 515 200 Part no 077 500 300 Part no 078 500 62 Chapter 11 Accessories NIBE F750 12 Technical data Dimensions and setting out coordinates LO 180 110 aot 2075 25 50 Bu 440 615 120 40 Do Eg Avoid routing pipes through the marked area 600 o o N NIBE F750 Chapter 12 Technical data 63 Technical specifications ra 3x400V Copper Stainless steel Output data according to EN 14 511 Specified heating output Specified heating output COP Specified heating output P COP Additional power Output immersion heater kW 0 5 6 5 Electrical data Rated voltage V 400 V 3N 50 Hz Max operating current Dri
64. g fine adjustments for the indoor temperature the heat curve must be offset up or down instead this is done in menu 1 1 9 Curve offset An offset of the heating curve means that the supply temperature changes as much for all the outdoor temperatures e g that a curve offset of 2 steps in creases the supply temperature by 5 C at all outdoor temperatures Flow line temperature maximum and minimum values Because the flow line temperature cannot be calculated higher than the set maximum value or lower than the set minimum value the heating curve flattens out at these temperatures Caution Underfloor heating systems are normally Aa 6 between 35 and 45 Check the max temperature for your floor with your installer floor supplier The figure at the end of the curve indicates the curve slope The figure beside the thermometer gives the curve offset Use the control knob to set a new value Contirm the new setting by pressing the OK button Curve 0 is an own heating curve created in menu 1 9 7 NIBE F750 To select another heat curve slope NOTE s f you only have one heating system the number of the curve is already marked when the menu window opens 1 Select the system if more than one for which the heat curve is to be changed 2 When the system selection has been confirmed the heat curve number is marked Press the OK button to access the setting mode 4 Select a new heating c
65. ge pump and does not allow it to run at a speed higher than the set value heating means heating operating mode for the charge pump wait mode means operating mode heating for the charge pump but when the charge pump neither has a need for compressor operation nor electric additional heat and slows down Set the speed at which the charge pump is to operate in the present operating mode hot water means operating mode hot water for the charge pump Menu 5 1 12 internal electrical addition set max electrical add Setting range 3x400 V 0 6 5kW Setting range 3x230 V 0 7kW Factory setting 3x400 V 6 5 kW Factory setting 3x230 V 7 kW max set electrical output SG Ready Setting range 3x400 V 0 6 5kW Setting range 3x230 V 0 7kW Factory setting 3x400 V 6 5 kW Factory setting 3x230 V 7 kW fuse size Setting range 1 200A Factory setting 16 A transformation ratio Setting range 300 3000 Factory setting 300 Chapter 8 Control Menus Here you set the max electrical output of the internal electric additional heat in F750 during normal opera tion and overcapacity mode SG Ready as well as the fuse size for the installation Here you can also check which current sensor is in stalled on which incoming phase to the property this requires current sensors to be installed see page 24 This is achieved by marking detect phase order and pressing the OK button The results of these checks appea
66. ges Menu 4 1 5 SG Ready This function can only be used in mains networks that support the SG Ready standard Make settings for the function SG Ready here Low price mode means that the electricity supplier has a low tariff and the system uses this to reduce costs Over capacity mode means that the electricity supplier has set the tariff very low and the system uses this to reduce the costs as much as possible affect room temperature Here you set whether room temperature should be affected when activating SG Ready With low price mode of SG Ready the parallel offset of the indoor temperature is increased by 1 If a room sensor is installed and activated the desired room temperature increases by 1 C With over capacity mode of SG Ready the parallel offset for the indoor temperature is increased by 2 If a room sensor is installed and activated the desired room temperature increases by 2 C affect hot water Here you set whether the temperature of the hot water should be affected when activating SG Ready With low price mode on SG Ready the stop temper ature of the hot water is set as high as possible at only compressor operation immersion heater not permit ted With over capacity mode of SG Ready the hot water is set to luxury immersion heater permitted NOTE The function must be connected to two AUX inputs and activated in menu 5 4 Menu 4 1 6 smart price adaption pr
67. he rooms sensor is installed the desired room tem perature is set in C Conflict If two settings conflict with each other a red exclamation mark is displayed TIP Y If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days TIP N 4 Y Set the stop time earlier than the start time so that the period extends beyond midnight Scheduling then stops at the set stop time the day after Scheduling always starts on the date that the Start time is set Tor Chapter 8 Control Menus 37 Caution Changes of temperature in accommodation take time For example short time periods in combination with underfloor heating will not give a noticeable difference in room temperat ure If the exhaust air temperature falls below 16 C the compressor is blocked and electric addi tional heat is permitted When the compressor is blocked heat is not recovered from the ex haust air Menu 1 3 3 ventilation Increases or decreases in the ventilation to the accom modation can be scheduled here for up to two time periods per day Activated Schedule lt activated 21 30 06 00 speed 3 Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activ ated here Set times are not affected at deactivation Day Select which day or days ofthe weekthe sched
68. here X4 1 is the common terminal block for the three current sensors The size of the property s main fuse is set in menu Incoming electricity PEN L4 Lo Leg Electrical distribution unit Heat pump T1 T2 T3 a 1 2 3 4 T E AA3 X4 NIBE Uplink Connect the network connected cable straight Cat 5e UTP with RJ45 contact male to RJ45 contact female on the rear of the heat pump 18 Sex SI External connection options F750 has software controlled inputs and outputs on the input card AA3 for connecting the external switch function or sensor This means that when an external switch function or sensor is connected to one of six special connections the correct function must be selec ted to the correct connection in the software in F750 NIBE F750 Caution If an external switch function or sensor is con nected to F750 the function to use input or output must be selected in menu 5 4 see page 53 Selectable inputs on the input card for these functions are AUX1 X6 9 10 AUX2 X6 11 12 AUX3 X6 13 14 AUX4 X6 15 16 and AUX5 X6 17 18 Selectable outputs are AA3 X7 block heating activate temp lux not used not used not used alarm output External F750 9 10 11 12 1
69. ice of electricity overview Here you can obtain information on how the electricity price varies over up to three days area In this menu you state where the heat pump is located and how great a role the electricity price should play The greater the value the greater the effect the electri city price has and the possible savings are larger but at the same time there is an increased risk of affecting comfort affect room temperature Setting range 1 10 Factory setting 5 affect hot water Setting range 1 4 Factory setting 2 This function can only be used if you have an hourly tariff agreement with your electricity supplier that supports Smart price adaption Smart price adaption moves the heat pump s consump tion over 24 hours to periods with the cheapest electri city tariff which gives savings for hourly rate based electricity contracts The function is based on hourly rates for the next 24 hours being retrieved via NIBE Uplink and therefore an internet connection and an account for NIBE Uplink are required Untick activated to switch off smart price adaption Menu 4 2 op mode op mode Setting range auto manual add heat only Default value auto functions Setting range compressor addition heating The heatpump operating mode is usually setto auto It is also possible to set the heat pump to add heat only but only when an addition is used or manual and select yourself what functions
70. ilation Status information set is displayed if you set a vacation schedule but it is not active at the moment active is displayed if any part of the vacation schedule is active otherwise it displays off Setting heat pump work mode Menu 4 1 plus functions Settings for any additional functions installed in F750 can be made in the sub menus Menu 4 1 3 internet Here you make settings for connecting F750 to the in ternet NIBE F750 4 1 3 internet 4 1 3 1 nibe uplink 4 1 3 8 tcp ip settings 4 1 3 9 proxy settings 4 1 4 sms 4 1 5 SG Ready 4 1 6 smart price adaption 4 9 1 op prioritisation 4 9 2 auto mode setting 4 9 3 degree minute setting 4 9 4 factory setting user 4 9 5 schedule blocking NOTE e Forthese functions to work the network cable must be connected Menu 4 1 3 1 nibe uplink Here you can manage the installation s connection to NIBE Uplink http www nibeuplink com and see the number of users connected to the installation via the internet A connected user has a user account in NIBE Uplink which have been given permission to control and or monitor your installation Request new connection string To connect a user account on NIBE Uplink to your installation you must request a unique connection string 1 Mark request new connection string and press the OK button 2 Theinstallation now communicates with NIBE Up link to creat
71. ir duct system must be a minimum of air tightness class B The ventilation ducts should be installed in such a way that one can easily open the inverter box The ex tract air duct should if possible be routed up through the roof If the duct is to be routed out through the root avoid having a 90 degree bend backward as this can cause noise and poorer capacity NOTE F750 has a very low extract air temperature To avoid damaging the product and or the building it is therefore important that the ex tract air ducts are insulated with diffusion proof material PE30 along their entire length TIP N Za Y If additional condensation insulation PE30 dimension 200 is installed on the outside of the existing exhaust line between the heat pump and the inner roof the noise in the in stallation area is reduced by 1 2 dB A Exhaust air duct kitchen fan Exhaust air duct kitchen fan must not be connected to F750 To prevent food vapour being transferred to F750 the distance between the kitchen fan and the exhaust air device must be considered The distance should not be less than 1 5 m but this can vary between different installations Always use a kitchen fan when cooking NOTE Aductin a masonry chimney stack must not be used for extract air Chapter 4 Pipe and ventilation connections Extract air Exhaust air
72. is disconnected by connecting a potential free switch function to the input selected in menu 5 4 see page 53 A closed switch results in blocked heating operation NOTE s When heat blocking is activated the min supply line does not apply Switch for external blocking of hot water In cases where external blocking of hot water is used this can be connected to terminal block X6 on the input board AA3 which is positioned behind the front cover Hot water operation is disconnected by connecting a potential free switch function to the input selected in menu 5 4 see page 53 A closed switch results in blocked hot water operation Contact for activation of temporary lux An external switch function can be connected to F750 for activation of the hot water function temporary lux The switch must be potential free and connected to the selected input menu 5 4 see page 53 on ter minal block X6 on the input board AA3 temporary lux is activated for the time that the con tact is connected Chapter 5 Electrical connections Contact for activation of external adjustment An external contact function can be connected to F750 to change the supply temperature and the room tem perature When the switch is closed the temperature changes in C if the room sensor is connected and activated If a room sensor is not connected or activated the desired change of temperature heating curve offset with the numbe
73. isposal of the packaging to the installer who installed the product or to special waste stations Do not dispose of used products with normal household waste It must be disposed of at a special waste station or dealer who provides this type of service Improper disposal of the product by the user results in administrative penalties in accordance with current legislation Recycling bergeben Sie den Verpackungsabfall dem Installateur der das Produkt installiert hat oder bringen Sie ihn zu den entsprechenden Abfallstationen Wenn das Produkt das Ende seiner Lebensdauer erreicht hat darf es nicht ber den normalen Hausm ll entsorgt werden Stattdessen muss es bei speziellen Entsorgungseinrichtungen oder Handlern abgegeben werden die diese Dienstleistung anbieten Eine unsachgem e Entsorgung des Produkts durch den Benutzer zieht Verwaltungsstrafen gem geltendem Recht nach sich NIBE AB Sweden Hannabadsvagen 5 Box 14 SE 285 21 Markaryd info nibe se www nibe eu X NE
74. ition an alarm bell appears in the information window Alarm In the event of an alarm with a red status lamp a mal function has occurred that the heat pump cannot remedy itself In the display by turning the control knob and pressing the OK button you can see the type of alarm it is and reset it You can also choose to set the heat pump to aid mode info action Here you can read what the alarm means and receive tips on what you can do to correct the problem that caused the alarm reset alarm In most cases it is enough to select reset alarm to correct the problem that caused the alarm If a green light illuminates after selecting reset alarm the alarm has been remedied If a red light is still visible and a menu called alarm is visible in the display the problem that caused the alarm remains If the alarm disappears and then returns see the troubleshooting section page 59 aid mode aid mode is a type of emergency mode This means that the heat pump produces heat and or hot water despite there being some kind of problem This can mean that the heat pump s compressor is not running In this case the immersion heater produces heat and or hot water To select aid mode an alarm action must be selected in the menu 5 1 4 NHIPB E TM E77L f NIBE F 50 Caution Selecting aid mode is notthe same as correct ing the problem that caused the alarm The status lamp will therefore continue to be
75. jday 228 5 paxpauj 18845 5 JXaN 4E9 Eu zus YL SOLM 60LM LOL3d LOLM d LX L 3 053 U Aug l CCX HE 7 E GX LZX t crocum Y Jr Yd E CAUX CS8 X IOLYN 339 3 IM 90LM V 8 00 El Gi ue 5 0S18 L18 E E NIBE F750 Chapter 12 Technical data 74 4 8 L 9 MEU 0514 AW RA uo e320 MNG 9 AOOTXE dV JaIN IN 9 625 ajg UMPJQ Jueld AN 1 510 HS NY ufiisag sa3ejday 2 Joaus JXeN A 13S 8 L 9 5 7 17 7 SOLM EUO lun AE GSIQ Wd V JL VY 75 Chapter 12 Technical data NIBE F750 3x230V 8440 N303MS 0553 MYL AOEZXE E 3A utj E ZHOS E AOEZ IN NY LOZM u isag sa gt e deu el e we 7 2211 pe paxyoauj aaus JXON 9 an g 347 19 O_O E G dd C
76. l not play with the appliance Cleaning and user maintenance shall not be made by children without super vision Rights to make any design or technical modifications are reserved ONIBE 2015 Symbols NOTE This symbol indicates danger to machine person 037 Caution This symbol indicates important information about what you should observe when main taining your installation TIP N 277 Y This symbol indicates tips on how to facilitate using the product Marking F750 is CE marked and fulfils IP21 The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relevant EU directives The CE mark is obligat ory for most products sold in the EU regardless where they are made IP21 means that objects with a diameter larger than or equivalent to 12 5 mm cannot penetrate and cause damage and that the product is protected against vertically falling drops of water Chapter 1 Important information NIBE F750 Serial number Serial number The serial number can be found at the bottom right of the front cover and in the info menu menu 3 1 Serial number Caution Always give the product s serial number 14 digits when reporting a fault Country specific information Installer manual This installer manual must be left with the customer NIBE F750 Chapter 1 Important information Inspection of the installation Current regul
77. lable at www nibe eu and in the respective assembly instructions for the ac cessories used See page 61 for a list of the accessories that can be used with F750 Extra hot water heaters Extra hot water heaters The heat pump should be supplemented with an extra water heater if a hot tub or other significant consumer of hot water is installed Water heater without immersion heater If there is a need for an additional water heater type NIBE VPB 200 or VPBS 300 or AHPS water heater is used prepared for solar docking The docking kit accessory is required VPB 200 is best placed to the left of F750 VPBS 300 and AHPS reguire pipe routing behind the units which reguires 60 150 mm of free space to the wall hw Chapter 4 Pipe and ventilation connections Water heater with immersion heater If it is possible to use a water heater with an immersion heater NIBE COMPACT or EMINENT type water heaters can be used If the valve connector is to be installed externally moved out or separated it must be replaced with a separable connector 22 mm HW fromF750 Non return valve Mixing valve Two or more climate systems When more than one climate system is to be heated the following connection can be used The ECS 40 ECS 41 accessory is reguired for this con nection NIBE F750 Connecting hot water circulation To reduce the risk of bacterial growth in systems with hot water circulation the tempe
78. lt value O Chapter 8 Control Menus 39 40 Connecting an external contact for example a room thermostat or a timer allows you to temporarily or periodically raise or lower the room temperature while heating When the contact is on the heating curve offset is changed by the number of steps selected the menu If a room sensor is installed and activated the desired room temperature C is set If there is more than one climate system the setting can be made separately for each system Menu 1 9 3 min flow line temp heating Setting range 20 70 C Default value 20 C Set the minimum temperature on the supply temper ature to the climate system This means that F750 never calculates a temperature lower than that set here If there is more than one climate system the setting can be made separately for each system TIP N A Y The value can be increased if you have for ex ample a cellar that you always want to heat even in summer You may also need to increase the value in stop heating menu 4 9 2 auto mode set ting Menu 1 9 4 room sensor settings factor system heating Setting range 0 0 6 0 Default value 2 0 Room sensors to control the room temperature can be activated here CF Caution A slow heat releasing heating system such as for example underfloor heating may not be suitable for control using the heat pump s room sensor Here you can set a factor a numerical v
79. lux 2 2 comfort mode 2 3 scheduling 2 9 advanced Accessory needed Sub menus For the menu there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Te MU d Activation of temporary increase in the ot water temperature Status information displays off or what length of time of the temporary temper ature increase remains Setting hot water comfort The status intormation displays what mode is selected economy normal or luxury Scheduling hot water comfort The status information set appears if you have set scheduling but it is not currently active holiday setting appears it holiday setting is active at the same time as schedul ing when the holiday function is prioritised active appears if any part of scheduling is active otherwise off appears Setting periodic increase in the hot water temperature Menu 2 1 temporary lux Setting range 3 6 and 12 hours and mode off Default value off When hot water requirement has temporarily increased this menu can be used to select an increase in the hot water temperature to lux mode for a selectable time Caution If comfort mode luxury is selected in menu 2 2 no further increase can be carried out The function is activated immediately when a time period is selected and confirmed using the OK button The remaining time for the selected setting is shown
80. m3 h 70 1 5 min compressor freguency 3A20 12 W45 exhaust air flow 252 m3 h 70 1 5 max compressor freguency 4The value varies with the selected fan curve For more extensive sound data including sound to channels visit www nibe eu gt The value may vary with the room s damping capacity These values apply with a damping of 4 dB 6A20 12 exhaust air flow 150 m3 h 42 1 5 NIBE F750 Chapter 12 Technical data 65 3x230V Output data according to EN 14 511 Specified heating output kW 1 144 Specified heating output COP2 Specified heating output COP Additional power Output immersion heater Electrical data Rated voltage Max operating current 0 5 7 230 V 3 50 Hz Drive output heating medium pump 2 GP6 Driving power exhaust air fan Fuse Enclosure class Refrigerant circuit Type of refrigerant Volume Cut out value pressostat HP Cut out value pressostat LP Heating medium circuit MPa bar MPa bar 2 9129 0 0 05 0 5 Max pressure in boiler section MPa bar 0 25 2 5 temperature flow line C 70 factory setting 60 Ventilation Min airflow 31 Sound effect level according to EN 12 102 Sound power level Lyya Sound pressure levels Sound pressure level in the boiler room Lpa 36 51 Pipe connections Heating medium ext
81. menu 2 9 1 With high power activated the hot water is charged ata higher outputthan in the standard mode and thus gives a higher hot water capacity Menu 5 1 2 max flow line temperature climate system Setting range 20 70 C Default value 60 C Set the maximum supply temperature for the climate system here If the installation has more than one cli mate system individual maximum supply temperatures can be set for each system Climate systems 2 8 cannot be set to a higher max supply temperature than climate system 1 Caution Underfloor heating systems are normally Aa 6 between 35 and 45 Check the max floor temperature with your floor supplier NIBE F750 Menu 5 1 3 max diff flow line temp max diff compressor Setting range 1 25 C Default value 10 C max diff addition Setting range 1 24 C Default value 7 C Here you set the maximum permitted difference between the calculated and actual supply temperature during compressor respectively add heat mode Max diff additional heat can never exceed max diff com pressor max diff compressor When the current supply temperature deviates from the set value compared to that calculated the heat pump is forced to stop irrespective of the degree minute value If the current supply temperature exceeds the calcu lated flow with set value the degree minute value is set to 0 The compressor in the heat pump stops when
82. mersion heater card so that itis easier to remove the insulation see page 20 NIBE F750 Chapter 2 Delivery and handling 3 The heat pump design F750 copper 4 1 AA4 XJ4 jh lo AA4 XJ3 AA3 AA23 BT6 AA2 RF3 RA2 WP3 BES BT61 FL2 OM31 XL 1 CM1 XL10 Chapter 3 The heat pump design NIBE F750 F750 stainless steel UR1 BS1 BT17 BT20 QN1 EP1 BT16 UB1 UB2 QN10 a T BT7 BT63 PF1 Ke o ZEN AA4 am SF1 zz epum AA4 XJ4 CE hs AA4 XJ3 BT30 FD1 BE AA23 x NN dem BT6 FA1 aa NE kim PI p rie RA2 WP3 5 I 1 BT61 T eee QM31 i gt XL1 y WM2 WM1 xL10 FQ1 WP1 WwP2 NIBE F750 Chapter 3 The heat pump design 11 Pipe connections
83. n the last page Operation in the start guide Page Name and menu number Option setting Page Here you can see how far you have come in the start guide Scroll between the pages of the start guide as follows 1 Turn the control knob until one of the arrows in the top left corner at the page number has been marked 2 Pressthe OK button to skip between the pages in the start guide Name and menu number Read what menu in the control system this page of the start guide is based on The digits in brackets refer to the menu number in the control system If you want to read more about affected menus either read off in the sub menu or in the installation manual from page 36 Option setting Make settings for the system here Help menu wa n many menus there is a symbol that indicates aM that extra help is available P To access the help text 1 Usethe control knob to select the help symbol 2 Pressthe OK button The help text often consists of several windows that you can scroll between using the control knob Chapter 6 Commissioning and adjusting 29 Setting the ventilation Ventilation must be set according to applicable stand ards The setting is made in menu 5 1 5 Even if ventilation is roughly set at installation it is im portant that a ventilation adjustment is ordered and permitted NOTE s Order a ventilation adjustment to complete the setting Press Ventilation capacit
84. nd scheduling hot water production See page 42 Menu 3 INFO Display of temperature and other operating informa tion and access to the alarm log See page 44 Menu 4 HEAT PUMP Setting time date language display operating mode etc See page 45 Menu 5 SERVICE Advanced settings These settings are not available to the end user The menu is made visible by pressing the Back button for 7 seconds when in the start menu See page 50 NIBE F750 Symbols in the display The following symbols can appear in the display during operation Description This symbol appears by the information sign if there is information in menu 3 1 that you should note These two symbols indicate whether the compressor or addition is blocked in F750 These can for example be blocked de pending on which operating mode is se lected in menu 4 2 if blocking is sched uled in menu 4 9 5 or if an alarm has oc curred that blocks one of them m Blocking the compressor Blocking additional heat This symbol appears if periodic increase or lux mode for the hot water is activated This symbol indicates whether holiday setting is active in 4 7 This symbol indicates whether F750 has contact with NIBE Uplink This symbol indicates the actual speed of the fan if the speed has changed from the normal setting This symbol indicates whether solar heating is active Accessory needed Cha
85. ng mode 3 Turnthe control knob to the right to increase the value and to the left to reduce the value 28 4 Press the OK button to confirm the value you have set To change and return the original value press the Back button Use the virtual keyboard Different keyboards In some menus where text may require entering a vir tual keyboard is available Depending on the menu you can gain access to differ ent character sets which you can select using the con trol knob To change character table press the Back button Ifa menu only has one character set the key board is displayed directly When you have finished writing mark OK and press the OK button Scroll through the windows A menu can consist of several windows Turn the con trol knob to scroll between the windows Number of windows in the menu Current menu window Scroll through the windows in the start guide Arrows to scroll through window in start guide 1 Turn the control knob until one of the arrows in the top left corner at the page number has been marked 2 Press the OK button to skip between the steps in the start guide Help menu pam In many menus there is a symbol that indicates that extra help is available To access the help text 1 Use the control knob to select the help symbol 2 Press the OK button The help text often consists of several windows that you can scroll between using the cont
86. nge 20 40 C Default values 15 stop additional heat Setting range 25 40 C Factory setting 5 filtering time Setting range 0 48 h Default value 24 h When the operating mode is set to auto the heat pump selects when start and stop of additional heat and heat production is permitted dependent on the average outdoor temperature Select the average outdoor temperatures in this menu You can also set the time over which filtering time the average temperature is calculated If you select O the present outdoor temperature is used Caution It cannot be set stop additional heat higher than stop heating Menu 4 9 3 degree minute setting current value Setting range 3000 3000 start compressor Setting range 1000 30 Default value 60 start diff additional heat Setting range 100 1000 Factory setting 700 diff between additional steps Setting range 0 1000 Factory setting 50 Degree minutes are a measurement of the current heating reguirementin the house and determine when the compressor respectively additional heat will start stop Caution Higher value on start compressor gives more compressor starts which increase wear on the compressor Too low value can give uneven indoor temperatures Menu 4 9 4 factory setting user All settings that are available to the user including advanced menus can be reset to default values here Caution After fa
87. nnection options 24 Contact for activation of fan speed 26 Contact for activation of external adjustment 26 Contact for activation of temporary lux 26 Contact for external tariff blocking 25 Possible selection for AUX inputs 25 Possible selection for AUX output potential free variable re lay 26 Switch for Smart Grid ready 25 Switch for external blocking of addition and or compressor 25 Switch for external blocking of heating 26 F Filling and venting 28 Filling the climate system 28 Filling the hot water heater 28 Venting the climate system 28 Filling the climate system 28 Filling the hot water heater 28 H Heating medium side 15 Helping the circulation pump to start 55 Help menu 29 35 Important information 2 Safety information 2 Inspection of the installation 4 Installation alternative 16 Connecting hot water circulation 17 Extra hot water heaters 16 Two or more climate systems 16 Water heater with immersion heater 16 Water heater without immersion heater 16 Installation area 7 M Manage alarm 59 Marking 2 Menu 1 INDOOR CLIMATE 36 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT PUMP 45 Menu 5 SERVICE 50 Menu system 33 Help menu 29 35 Operation 34 Scroll through the windows 35 Selecting menu 34 Selecting options 34 Setting a value 34 Use the virtual keyboard 35 Miniature circuit breaker 19 N NIBE Uplink 24 O OK bu
88. ou can also schedule a longer period during a selected period vacation in menu 4 7 Menu 1 3 1 heating Increases or decreases in the accommodation temper ature can be scheduled here for up to three time peri ods per day If a room sensor is installed and activated the desired room temperature C is set during the time period Without an activated room sensor the desired change is set of setting in menu 1 1 One step is usually enough to change the room temperature by one degree but in some cases several steps may be required NIBE F750 Activated Schedule System system 1 Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activ ated here Set times are not affected at deactivation System Which climate system the schedule is for is selected here This alternative is only displayed if more than one climate system is present Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting How much the heating curve is to be offset in relation to menu 1 1 during scheduling is set here If t
89. pe installation must be carried out in accordance with current norms and directives The system requires a low temperature design of the radiator circuit At lowest dimensioned outdoor tem perature DOT the highest recommended temperat ures 55 C on the supply line and 45 C on the re turn line Overflow water from the evaporator collection tray and safety valves goes via non pressurised collecting pipes to a drain so that hot water splashes cannot cause injury The entire length of the overflow water pipe must be inclined to prevent water pockets and must also be frost proof NOTE s The pipe system needs to be flushed out be fore the heat pump is connected so that any debris cannot damage component parts Maximum boiler and radiator volumes The volume of the pressure expan sion vessel CM 1 is 10 litres and it is pressurised as standard to 0 5 bar b mvp As a result the max imum permitted height H between the vessel and the HT TT mmm highest radiator is 5 metres see figure If the standard initial pressure in MAN the pressure vessel is not high enough it can be increased by 5 adding air via the valve in the ex pansion vessel The initial pressure of the expansion vessel must be stated in the inspection document Any change in the initial pressure affects the ability of the expansion vessel to handle the expansion of the water
90. period 2 30 C temp period 3 40 C temp period 5 40 C temp period 6 30 C temp period 7 20 length of period 4 Setting range 0 30 days Default value 3 days temp period 4 Setting range 15 70 C Default value 45 C Set the function for under floor drying here You can set up to seven period times with different calculated flow temperatures If less than seven periods are to be used set the remaining period times to 0 days Mark the active window to activate the underfloor drying function A counter at the bottom shows the number of days the function has been active TIP a Y If operating mode add heat only is to be used select it in menu 4 2 Menu 5 10 change log Read off any previous changes to the control system here The date time and ID no unigue to certain settings and the new set value is shown for every change NOTE se Thechangelog is saved at restart and remains unchanged after factory setting 5 12 country Select here where the product was installed This allows access to country specific settings in your product Language settings can be made regardless of this selec tion Chapter 8 Control Menus NOTE This option locks after 24 hours restart of dis play or program updating NIBE F750 9 Service Service actions Servicing should only be carried out by persons with the necessary expertise When replacing component
91. pter 7 Control Introduction 33 34 Menu number marked sub menu INDOOR CLIMATE HOT WATER OK HEAT PUMP Marked main menu Symbols sub menus Operation To move the cursor turn the control knob to the left or the right The marked position is white and or has a turned up tab Selecting menu To advance in the menu system select a main menu by marking it and then pressing the OK button A new window then opens with sub menus Select one of the sub menus by marking it and then pressing the OK button Selecting options e economy i _ normal F _ luxu Alternative In an options menu the current selected option is A indicated by a green tick To select another option 1 Markthe applicable option One of the options 7 is pre selected white 2 Press the OK button to confirm the selected option The selected option has a green tick Chapter 7 Control Introduction Name and menu number main menu Symbol main menu temperature ventilation scheduling advanced Name sub menus Status information sub menus Setting a value time date 14 day 06 month W 2013 06 14 e 5 tockholm Values to be changed To set a value 1 Markthe value you wanttosetusingthe control knob 2 Pressthe OK button The background of the amp value becomes green which means that you have accessed the setti
92. r just below where the checks were activated Menu 5 1 14 flow set climate system presettings Setting range radiator floor heat rad floor heat DOT C Default value radiator Setting range DOT 40 0 C Factory setting DOT 18 0 C own setting Setting range dT at DOT 0 0 Factory setting dT at DOT 10 0 Setting range DOT 40 0 C Factory setting DOT 18 0 C The type of heating distribution system the heating medium pump GP1 works towards is set here dT at DOT is the difference in degrees between flow and return temperatures at dimensioned outdoor temperature Menu 5 1 24 blockFreq from frequency Setting range 20 115 Hz Factory setting 20 Hz Maximum setting range 50 Hz to frequency Setting range 25 120 Hz Factory setting 25 Hz Maximum setting range 50 Hz Here you can setfrequencies that are notto be permit ted for the compressor It is possible to restrict two different frequencies Each frequency is restricted to between 3 and 50 Hz NOTE s Alarge blocked frequency range can cause the compressor to run jerkily Menu 5 1 99 other settings months btwn filter alarms Settingrange 1 12 Default value 3 Set months btwn filter alarms and fan synch operation here months btwn filter alarms Here you set the number of months between alarms for a reminder to clean the filter in F750 fan synch operation Select whether you want the fan to maintain the same speed
93. r of steps selected is set The value is ad justable between 10 and 10 climate system 1 The switch must be potential free and connected to the selected input menu 5 4 see page 53 on termin al block X6 on the input board AA3 The value for the change is set in menu 1 9 2 extern al adjustment climate system 2 to 4 mn External adjustment for climate systems 2 to 4 re quires accessory ECS 40 or ECS 41 See the accessory s installer handbook for installation instructions Contact for activation of fan speed An external contact function can be connected to F750 for activation of one of the four fan speeds The switch must be potential free and connected to the selected input menu 5 4 see page 53 on terminal block X6 on the input circuit board AA3 When the switch closes the selected fan speed is activated Normal speed is resumed when the contact is opened again Possible selection for AUX output potential free variable relay It is possible to have an external connection through the relay function via a potential free variable relay max 2 A on the input circuit board AA3 terminal block X7 Optional functions for external connection Indication of buzzer alarm Control of circulation pump for hot water circulation External circulation pump for example external pump and shunt group If any of the above is installed to terminal block X7 it must be selected in menu 5 4
94. rature of the circulating water should not fall below 50 C There should not be any non circulatory hot water pipes Adjust the hot water system so that the temperature does not fall below 50 C at the extremities of the system The circulation pump for hot water circulation can be controlled by the heat pump The HWC return can be connected to XL5 or a freestanding water heater If an electric water heater is connected after the heat pump the HWC return must be connected to the water heater NIBE F750 Chapter 4 Pipe and ventilation connections 17 General ventilation connection Ventilation installation must be carried out in accord ance with current norms and directives To prevent fan noise being transferred to the ventila tion devices it may be a good idea to install a silencer in the duct This is especially important if there are ventilation devices in noise sensitive rooms Connections must be made via flexible hoses which must be installed so that they are easy to replace The extract air duct must be provided with diffusion tight insulation PE30 over its entire length Ensurethatthe condensation insulation is sealed at any joints and or at lead in nipples silencers roof cowls or similar Provi sion must be made for inspection and cleaning of the duct Make sure that there are no reductions of cross sectional area in the form of kinks tight bends etc since this will reduce the ventilation capacity The a
95. rd AA3 cit Total reset of all settings includ ing settings avallable to the user to default values 9446 19 Forced control of the different compon ents in the heat pump 35518691 Manual start of the start guide which is run the first time the heat pump is started 914436188 Quick starting the compressor Chapter 8 Control Menus 5 2 4 accessories 5 3 3 extra climate system NOTE Incorrect settings in the service menus can damage the heat pump Menu 5 1 operating settings Operating settings can be made for the heat pump in the sub menus NIBE F750 Menu 5 1 1 hot water settings economy Setting range start temp economy 15 52 C Factory setting start temp economy 40 C Setting range stop temp economy 15 55 C Factory setting stop temp economy 45 C normal Setting range start temp normal 15 52 C Factory setting start temp normal 45 C Setting range stop temp normal 15 55 C Factory setting stop temp normal 50 C luxury Setting range start temp lux 15 62 C Factory setting start temp lux 49 C Setting range stop temp lux 15 65 C Factory setting stop temp lux 54 C stop temp per increase Setting range 55 70 C Factory setting 55 C Here you set the start and stop temperature of the hot water for the different comfort options in menu 2 2 as well as the stop temperature for periodic increase in
96. rol knob Chapter 7 Control Introduction 35 36 8 Control Menus Menu 1 INDOOR CLIMATE Overview 1 INDOOR CLIMATE 1 1 temperature 1 2 ventilation 1 3 scheduling 1 9 advanced Sub menus For the menu vea XI there are several sub menus Status information Tor the relevant menu can be found on the display to the right of the menus Setting the temperature for the climate system Ihe status information shows the set values for the climate system Setting the fan speed The status informa tion shows the selected setting Scheduling heating and ventilation Status information set is displayed if you set a schedule but it is not active now holiday setting is displayed if the vacation schedule is active at the same time as the schedule the vacation function is prioritised active displays if any part of the schedule is active otherwise it displays off 216171016108 Setting of heat curve adjusting with extern al contact minimum value for supply temperature room sensor and night cooling Menu 1 1 temperature Set the temperature with room sensors installed and activated heating Setting range 5 30 C Default value 20 The value in the display appears as a temperature in C if the climate system is controlled by a room sensor Caution A slow heat releasing heating system such as for example underfloor heating may not be suitable for control using the heat p
97. s on F750 only replacement parts from NIBE may be used Emergency mode Emergency mode is used in event of operational inter ference and in conjunction with service Emergency mode is activated by setting switch SF1 in mode This means that The status lamp illuminates yellow The display is not lit and the control computer is not connected The temperature at the immersion heater is con trolled by the thermostat FD1 BT30 It can be set either to 35 or 45 C The compressor is switched off and only the fan heating medium pump 2 and the electric additional heat are active The additional heat power in emer gency mode is set in the immersion heater board AA1 See page 23 for instructions Draining the water heater The water heater can be drained via the safety valve FL1 or via the overflow WM1 1 Disconnect the overflow pipe from the safety valve FL1 and connect a hose to a draining pump in stead Where no draining pump is available the water can be released into the overflow cup 2 Open the safety valve FL1 3 Open a hot water tap to let air into the system If this is not sufficient detach the pipe connection XL4 on the hot water side to see if air is entering Draining the climate system In order to carry out service on the climate system it may be easier to drain the system first s There be some hot water when draining the heating medium
98. the offset of the heating curve at a specific outdoor temperature 1101947011010 Setting night cooling Menu 1 9 1 heating curve heating curve Setting range 0 15 Default value 5 The prescribed heating curve for your house can be viewed in the menu The task of the heating curve is to give an even indoor temperature regardless of the outdoor temperature and thereby energy efficient operation It is from this heating curve that the heat pump s control computer determines the temperature of the water to the heating system supply temperature and therefore the indoor temperature Select the heating curve and read off how the supply temperature changes at different outdoor temperat ures here NIBE F750 Curve coefficient The slope of the heating curve indicates how many degrees the supply temperature is to be increased re duced when the outdoor temperature drops increases A steeper slope means a higher supply temperature at a certain outdoor temperature Supply temperature 70 Steeper curve slope 10 0 10 20 30 40 C Outdoor temperature The optimum slope depends on the climate conditions in your location if the house has radiators or under tloor heating and how well insulated the house is The heating curve is set when the heating installation is installed but may need adjusting later Thereafter the heating curve should not need further adjustment Caution In the event of makin
99. tivated before removing the USB memory Chapter 9 Service Menu 7 3 manage settings save settings recover settings Here you can manage save as or retrieve from all the menu settings user and service menus in F750 with a USB memory Via save settings you save the menu settings to the USB memory in order to restore them later or to copy the settings to another F750 li NOTE s When you save the menu settings to the USB memory you replace any previously saved set tings on the USB memory Via recover settings you reset all menu settings from the USB memory NOTE s Reset of the menu settings from the USB memory cannot be undone 10 Disturbances in comfort In most cases the heat pump notes operational inter ference operational interference can lead to disturb ance in comfort and indicates this with alarms and shows action instructions in the display ATA MAANI All the heat pump measurement values are gathered under menu 3 1 in the heat pump menu system Looking through the values in this menu can often simplify finding the fault source See page 44 for more information about menu 3 1 MI m iu ARAA V 7 m A P f info action reset alarm aid mode In the event of an alarm some kind of malfunction has occurred which is indicated by the status lamp chan ging from green continuously to red continuously In add
100. to the right When the time has run out F750 returns to the mode setin menu 2 2 Select off to switch off Menu 2 2 comfort mode Setting range economy normal luxury Default value normal Chapter 8 Control Menus 2 9 1 periodic increase 2 9 2 hot water recirc The difference between the selectable modes is the temperature of the hot tap water Higher temperature means that the hot water lasts longer economy This mode gives less hot water than the others but is more economical This mode can be used in smaller households with a small hot water reguire ment normal Normal mode gives a larger amount of hot water and is suitable for most households luxury Lux mode gives the greatest possible amount of hot water In this mode the immersion heater as well as the compressor is used to heat hot water which may increase operating costs Menu 2 3 scheduling What hot water comfort the heat pump is to work with can be scheduled here for up to two different time periods per day Scheduling is activated deactivated by ticking untick ing activated Set times are not affected at deactiva tion Activated Schedule v activated all mon tues we thur fri Sat sun Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activ ated here Set times are not affected at deactivation Day Select
101. tton 32 Operation 34 Optional connections 24 Outdoor sensor 21 P Pipe and ventilation connections 13 Adjusting ventilation 18 Cold and hot water 15 Connecting cold and hot water 15 Connecting the climate system 15 Dimensions and pipe connections 14 Exhaust air duct 18 General pipe connections 13 General ventilation connection 18 Heating medium side 15 Installation alternative 16 Maximum boiler and radiator volumes 13 Pipe dimensions 14 Setting out dimensions 14 Symbol key 15 System diagram 13 Ventilation flow 18 Pipe dimensions 14 Possible selection for AUX inputs 25 Possible selection for AUX output potential free variable relay 26 Power connection 21 Preparations 28 Pump adjustment Heating medium side 30 R Removing parts of the insulation 8 Removing the cover base board 20 Removing the cover immersion heater circuit board 20 Removing the covers 8 Removing the hatch input circuit board 20 Room sensor 22 S Safety information 2 Contact information 5 Inspection of the installation 4 Marking 2 Serial number 3 Symbols 2 Scroll through the windows 35 Selecting menu 34 Selecting options 34 Serial number 3 Service 55 Service actions 55 Service actions 55 Draining the climate system 55 Draining the hot water heater 55 Helping the circulation pump to start 55 Standby mode 55 Temperature sensor data 55 USB service outlet 57 NIBE F750 Setting a value 34
102. tween 1 and 90 days Factory setting is 14 days Tick untick activated to start switch off the function Menu 2 9 2 hot water recirc operating time Setting range 1 60 min Default value 60 min downtime Setting range O 60 min Default value 0 min Set the hot water circulation for up to three periods per day here During the set periods the hot water cir culation pump will run according to the settings above operating time decide how long the hot water circu lation pump must run per operating instance NIBE F750 downtime decide how long the hot water circulation pump must be stationary between operating instances Chapter 8 Control Menus 43 44 Menu 3 INFO Overview 3 INFO 3 1 service info 3 2 compressor info 3 3 add heat info 3 4 alarm log 3 5 indoor temp log Sub menus For the menu there are several sub menus No settings can be made in these menus they just display information Status information for the relevant menu can be found on the display to the right of the menus shows temperature levels and settings in the installation shows operating times number of starts etc Tor the compressor in the heat pump displays information about the addi tional neat s operating times etc displays the latest alarm and information about the heat pump when the alarm occurred the average temperature indoors
103. ule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting The desired fan speed is set here Conflict If two settings conflict with each other a red exclamation mark is displayed Y If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Chapter 8 Control Menus TIP N 22 Y Set the stop time earlier than the start time so that the period extends beyond midnight Scheduling then stops at the set stop time the day after Scheduling always starts on the date that the start time is set for Caution A significant change over a longer period of time may cause poor indoor environmentand worse operating economy Menu 1 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Setting the heating curve slope ida Setting the heat curve offset when the external contact is connected ae Aa caa Setting minimum permitted flow ine temperature Settings regarding the room sensor Fan return time settings in the event ot temporary ventilation speed change Setting own heat curve TML Setting
104. ump s room sensor Chapter 8 Control Menus 1 3 1 heating 1 3 3 ventilation 1 9 1 1 heating curve 1 9 2 external adjustment 1 9 3 min flow line temp 1 9 4 room sensor settings 1 9 6 fan return time 1 9 7 own curve 1 9 8 point offset 1 9 9 night cooling To change the room temperature use the control knob to set the desired temperature in the display Confirm the new setting by pressing the OK button The new temperature is shown on the right hand side of the symbol in the display Setting the temperature without room sensors activated Setting range 10 to 10 Default value 1 The display shows the set values for heating curve offset To increase or reduce the indoor temperature increase or reduce the value on the display Use the control knob to set a new value Confirm the new setting by pressing the OK button The number of steps the value has to be changed to achieve a degree change of the indoor temperature depends on the heating installation One step is usually enough but in some cases several steps may be re quired Setting the desired value The new value is shown on the right hand side of the symbol in the display Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermostats fully except in those rooms where a cooler temperature is required e g bed rooms If the exhaust air t
105. urve The heating curves are numbered from 0 to 15 the greater the number the steeper the slope and the greater the supply temperature Heating curve 0 means that menu 1 9 7 is used 5 Press the OK button to exit the setting To read off a heating curve 1 Turn the control knob so that the ring on the shaft with the outdoor temperature is marked 2 Press the OK button 3 Follow the grey line up to the heat curve and out to the left to read off the value for the supply temperature at the selected outdoor temperature 4 Youcan now select to take read outs for different outdoor temperatures by turning the control knob to the right or left and read off the corresponding flow temperature 5 Press the OK or Back button to exit read off mode TIP N A Wait 24 hours before making a new setting so that the room temperature has time to stabilise If it is cold outdoors and the room temperature is too low increase the curve slope by one in crement If it is cold outdoors and the room temperature is too high lower the curve slope by one incre ment If itis warm outdoors and the room temperat ure is too low increase the curve offset by one increment If itis warm outdoors and the room temperat ure is too high lower the curve offset by one increment Menu 1 9 2 external adjustment climate system Setting range 10 to 10 or desired room temperat ure if the room sensor is installed Defau
106. ust first be removed Thecoverfortheinput card is opened without a tool Removing the cover input circuit board so c 1 Insert the screwdriver and pry the catch care fully downwards B 2 Angle out the cover and remove it 1 Push the catch down 2 Angle out the cover and remove it Cable lock oo Use a suitable tool to release lock cables in the heat neun the cover immersion heater circuit pump terminal blocks oar
107. ut in some cases several steps may be required The heat curve is affected at 5 C from set outdoor temp point It is important that the correct heating curve is selected so that the room temperature is experienced as even TIP N 2 Y If it is cold in the house at for example 2 C outdoor temp point is set to 2 and change in curve is increased until the desired room temperature is maintained m Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise NIBE F750 Menu 1 9 9 night cooling start temp exhaust air Setting range 20 30 C Default value 25 C min diff outdoor exhaust Setting range 3 10 C Default value 6 C Activate night cooling here When the temperature in the house is high and the outdoor temperature is lower a cooling effect can be obtained by forcing the ventilation If the temperature difference between the exhaust air and the outdoor air temperature is greater than the set value min diff outdoor exhaust and the exhaust air temperature is higher than the set value start temp exhaust air run the ventilation at speed 4 until one of the conditions is no longer met Caution Night cooling can only be activated when house heating has been deactivated This is done menu 4 2 NIBE F750 Chapter 8 Control Menus 41 42 Menu 2 HOT WATER Overview 2 HOT WATER 2 1 temporary
108. valve as illustrated Insulation immersion heater li NOTE e Electrical installation and service must be car ried out under the supervision of a qualified electrician Electrical installation and wiring must be carried out in accordance with the stipulations in force 1 Remove the cover for the junction box according to the description on page 20 2 Grip the handle and pull the insulation carefully towards you as illustrated NIBE F750 N Remove the hatch for the im
109. ve output heating medium pump 2 GP6 Driving power exhaust air fan Fuse Enclosure class Refrigerant circuit Type of refrigerant Volume Cut out value pressostat HP MPa bar 2 9 29 0 Cut out value pressostat LP MPa bar 0 05 0 5 Heating medium circuit Max pressure in boiler section MPa bar 0 2525 Max temperature flow line C 70 factory setting 60 Ventilation Min airflow 1 5 31 Sound effect level according to EN 12 102 Sound power level Ly dB A Sound pressure levels Sound pressure level in the boiler room Lpa Heating medium ext 2 mm 22 mm 22 Hot water ext Cold water ext 22 Ventilation O 125 64 Chapter 12 Technical data NIBE F750 Other 3x400V Stainless steel Water heater Volume total Volume boiler section of which buffer vessel Volume hot water heater Volume buffer vessel Max pressure in hot water heater Corrosion protection O Cope Staimlesssteel _ Capacity hot water heating according to EN 16 1476 Tap volume 40 C at Normal comfort V max COP at Normal comfort COP Idle loss at Normal comfort Pes Dimensions and weight Height excl inverter box incl feet Required ceiling height Weight Part No 066 036 066 037 1A20 12 W35 exhaust air flow 108 m3 h 30 I s min compressor freguency 2A20 12 W35 exhaust air flow 252
110. which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times NIBE F750 Time period The start and stop time for the selected day for scheduling are selected here Adjusting Set the hot water comfort that is to apply during scheduling here Conflict If two settings conflict with each other a red exclamation mark is displayed TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days NS Pd Y Setthe stop time earlier than the start time so that the period extends beyond midnight Scheduling then stops at the set stop time the day after Scheduling always starts on the date that the Start time is set Tor Menu 2 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Menu 2 9 1 periodic increase period Setting range 1 90 days Default value 14 days start time Setting range 00 00 23 00 Default value 00 00 To prevent bacterial growth in the water heater the compressor and the immersion heater can increase the hot water temperature for a short time at regular inter vals The length of time between increases can be selected here The time can be set be
111. which in output on the input circuit board AA3 the external contact function page 24 is to be connected to Selectable inputs on terminal block AUX1 5 AA3 X6 9 18 and output AA3 X7 on the input circuit board Menu 5 5 factory setting service All settings can be reset including settings available to the user to default values here Also new parametrisation of the inverter can be done here NOTE s When resetting the start guide is displayed the next time the heat pump is restarted Menu 5 6 forced control You can force control the different components in the heat pump and any connected accessories here The most important safety functions remain active however Menu 5 7 start guide When the heat pump is started for the first time the start guide starts automatically Start it manually here See page 29 for more information about the start guide Menu 5 8 quick start It is possible to start the compressor from here SER Caution There must be a heating or hot water demand to start the compressor Caution Do not quick start the compressor too many times over a short period of time as this may damage the compressor and its surrounding eguipment Chapter 8 Control Menus 53 54 Menu 5 9 floor drying function length of period 1 3 5 7 Setting range 0 30 days Default value 2 days temp period 1 3 5 7 Setting range 15 70 C Default value temp period 1 20 C temp
112. y Pa 500 450 400 350 300 250 200 100 90 80 150 100 eo 60 70 50 0 30 40 50 0 Powe W 20 40 60 Airflow 1 5 80 100 Power direct current fan 120 140 160 10096 140 120 100 90 80 60 40 20 C 30 0 50 80 2 a 60 0 Chapter 6 Commissioning and adjusting 20 40 60 Airflow 1 5 80 100 120 140 Commissioning without fan The heat pump can be run without recovery as only an electric boiler to produce heat and hot water for example before the ventilation installation is complete Enter menu 4 2 op mode and select add heat only Enter menu 5 1 5 sp exhaust air and reduce the fan speed to 090 NOTE Select operating mode auto or manual when the heat pump is to run on recovery again Setting the pump speed Heating medium side To set the correct flow in the climate system the correct speed must be set for the heating medium pump in the different operating conditions Compare the heating protection with the available capacity for heating medium pump 2 GP6 and set the lowest possible pump speed Set the speed on the heating medium pump 2 GP6 using the switch GP6 SF4 on the pump Select speed II or You see the speed sele
113. y be carefully laid on preferably on a concretefloor or foundation Use the its pack when being moved into a building The centre product s adjustable feet to obtain a horizontal and of gravity is in the upper part stable set up 30 50 mm ZN i CHROME SESS m J The area where F750 is located must be equipped with floor drainage Install with its back to an outside wall ideally in a room where noise does not matter in order to elim inate noise problems If this is not possible avoid placing it against a wall behind a bedroom or other room where noise may be a problem Wherever the unit is located walls to sound sensitive rooms should be fitted with sound insulation Route pipes so they are not fixed to an internal wall that backs on to a bedroom or living room The heat pump s boiler room should always have a temperature of at least 10 C and max 30 C Chapter 2 Delivery and handling NIBE F750 Installation area Supplied components Leave a free space of 800 mm in front of the product Approx 50 mm free space is reguired on each side to remove the side panels The panels do not need to be S removed during service all service on F750 can be carried out from the front Leave space between the heat pump and wall behind and any routing of supply cables and pipes to reduce the risk of any transmission Outside sensor Room sensor of vibrations 10 25

Installer manual NIBE™ F750

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Installer manual NIBE&trade; F750

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Installer manual NIBE™ F750