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1. Be C 1 Push the catch down ul 2 Angle out the cover and remove it 1 Insert the screwdriver A and pry the catch carefully downwards B Removing the cover immersion heater circuit board 2 Angle out the cover and remove it Cable lock Use a suitable tool to release lock cables in the heat pump terminal blocks 5 5 s BETM F370 2 9 20 Chapter 5 Electrical connections NIBETM F370 NOTE prevent interference unscreened communic ation and or sensor to external connections cables must not be laid closer than 20 cm to high voltage cable when cable routing Power connection F370 must be installed via an isolator switch wi
2. If separate supply to the compressor and immersion heater is required see section Switch for external blocking of addition and or compressor on page 26 Tariff control If the voltage to the immersion heater and or the com pressor disappears during a certain period there must also be blocking via the AUX input see Connection options Possible selection for AUX inputs Chapter 5 Electrical 21 Connecting external operating voltage for the control system NOTE Only applies to power connection of 3x400V NOTE Mark up any junction boxes with warnings external voltage If you wish to connect external operating voltage for the control system to F370 on the immersion heater circuit board AA1 the edge connector at AA1 X2 must be moved toAA 1 X9 as illustrated When connecting external operating voltage for the control system with separate earth fault breaker discon nect the blue cable from terminal block X7 24 on the immersion heater circuit board AA1 and connect in the enclosed top clamp together with the incoming operating zero Connect a blue cable min 0 75 mm2 between the top clamp and X11 N on the immersion heater circuit board as illustrated Operating voltage 1x230V N PE is connected to AA1 X11 as illustrated
3. 803000 1x230V N PE operating voltage Only with separate earth fault breaker Chapter 5 Outside sensor Install the outside temperature sensor BT1 in the shade on a wall facing north or north west so it is unaffected by the morning sun Connect the sensor to terminal block X6 1 and X6 2 on the input card 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 condens ation in the sensor capsule Outside F370 or A CR SM 2 j TUES IMENI LL a u L FS HETH o RN Room sensor F370 is delivered with a room sensor supplied BT50 The room temperature sensor has up to three functions 1 Show current room temperature in F370 s display 2 Option of changing the room temperature in C 3 Makes it possible to change stabilise the ro
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5. gt NIBE Installer manual NIBE F370 Exhaust air heat pump IHB GB 1202 2 031496 Navigation 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 33 How to scroll through menus and make different settings is described on page 35 Set the indoor climate The mode for setting the indoor temperature is reached when in the start mode in the main menu by pressing the OK button twice Read more about the settings on page 37 Increase hot water volume dX e 9 77 e e e 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 43 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 57 for instructions Table of Contents 1 Important information 2 Safety information 2 2 Delivery and handling 8 Transport 8 Assembly 8 Supplied components 9 Removing the covers 9 Removing parts of the insulation 9 3 The heat pump design 10 4 Pipe and ventilation connec tions 14 General pipe connections 14 Dimensions and pipe connections 15 Symbol k
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8. 2 64 Miniature circuit breaker Operation 230 V fan compressor circulation pump etc are internally fused by a miniature circuit breaker FA 1 Temperature limiter The temperature limiter FD1 cuts the current supply to the electrical addition 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 pressing the button FD1 SF2 using a small screwdriver Eg Caution Check the temperature limiter and miniature circuit breaker They may have tripped during transportation Chapter 5 Electrical connections 19 Accessibility electrical connection 1 Insert the screwdriver A and pry the catch carefully The plastic cap of the electrical boxes is opened using a downwards B screwdriver 2 Angle out the cover and remove it Removing the cover base board The cover the input is opened without Caution a tool 3 To remove the cover for the base board the cover for the input circuit board must first be removed Removing the cover input circuit board
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10. Enclosure class See table page 24 IP 21 Refrigerant circuit Type of refrigerant R290 propane Volume 0 4 Cut out value pressostat HP MPa bar 2 45 24 5 Cut out value pressostat LP MPa bar Heating medium circuit Max pressure in boiler section MPa bar 022 Max temperature flow line C 70 factory setting 60 Ventilation Min air flow at exhaust air temper I s ature at least 20 C 28 Min air flow at exhaust air temper 5 ature below 20 C Sound power level according to EN 12 102 31 Sound power level Ly 46 5 48 0 Sound pressure levels Sound pressure level in the boiler house Lpa 42 5 44 0 Pipe connections Heating medium ext Hot water ext Cold water ext Docking ext 2 Ventilation NIBE F370 Chapter 12 Technical data Miscellaneous 3x400V Enamel Stainless steel Water heater Volume total Volume boiler section 70 olume hot water heater Max pressure in hot water heater MPa bar 1 0 10 orrosion protection Copper Enamel Stainlesssteel Capacity hot water heating according to EN 255 36 Tap volume 40 C at Normal com TORE TV at Normal comfort COP Idle loss at Normal comfort Pys Dimensions and weight Width epth eight 2270 066 040 066 043 066 045 equired ceili
11. If you responded yes to the previous question the up date starts and you can now follow the progress of the update on the display When the update is complete F370 restarts NOTE A software update does not reset the menu settings in F370 N NOTE If the update is interrupted before it is complete 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 choose another file update firmware 7 1 product Heatpump version 71e into Minor changes 2 nike file4 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 up date Menu 7 2 logging logging 7 2 5 activated interval Setting range 1 s 60 min Default setting range 5 s Set whether the present measurement values from F370 are to be saved in a log on the USB memory Log for longer periods 1 Set the desired interval between loggings 2 Tick activated 3 Mark read log settings and press the OK button 4 The present values from F370 are saved in a file in the USB memory at
12. Menu 5 9 floor drying function length of period 1 3 5 7 Setting range O 30 days Default value 2 days temp period 1 3 5 7 Setting range 15 70 C Default value temp period 1 20 9C temp period 2 30 C temp period 3 40 temp period 5 40 temp period 6 30C temp period 7 20 C 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 cal culated 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 under floor drying function A counter at the bottom shows the number of days the function has been active TIP SS Y If operating mode add heat only is to be used select it in menu 4 2 Chapter 8 Control Menus NIBETM F370 9 Service 4 Ol b rd M 224 W Z EW I AH Ti VA c 31 111 at 17 MW ws B du wi amp I S I AN Servicing should only be carried out by persons with the necessary expertise When replacing components on F370 only re placement parts from NIBE may be used Emergency mode Emergency mode is used in event of operational interfer ence and in conjunction with service Emergency mode is activated by setting switch SF1 to AN This means th
13. Safety precautions Wiring Check that cabling will not be subject to wear corrosion excessive pressure vibration sharp edges or any other adverse environmental effects The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans Repairing sealed components When repairing sealed components all electrical supply must be disconnected from the eguipment that is being repaired before any sealed covers or similar are removed Ifi t is absolutely necessary to have an electricity supply to the eguipment during the service continuously activ ated leak tracing must be performed at the most critical points in order to warn of any dangerous situations Pay particular attention to the following so that the sheath is not changed in a way that affects the protection level when working with electrical components This means damage to cables unnecessary amounts of con nections terminals that do not follow the original specific ations damaged gaskets incorrect grommets etc Ensure that the apparatus is secured properly Check that seals or sealing materials have not deteriorated to a degree that they can no longer prevent combustible gases from entering Replacement parts must meet the manufacturer s specifications NOTE Use of silicone seals can hamper the efficiency of certain types ofl eak tracing equipment Components with built in safety do not need to be isolated
14. Mark the applicable option One of the options F 7 4 Is pre selected white Press the OK button to confirm the selected option The selected option has a green tick Chapter 7 36 Setting a value time amp date 4 4 GF 20012000 01 month 6 2010 01 20 10 year Values to be changed To set a value 1 Mark the value you want to set using the T nj control knob E 2 Press the OK button The background of the value becomes green which means that you have accessed the setting mode 2 3 Turn the control knob to the right to in crease the value and to the left to reduce the value 4 Press the OK button to confirm the value you have set To change and return to the original value press the Back button Scroll through the windows A menu can consist of several windows Turn the control knob to scroll between the windows a Current menu Number of windows window in the menu 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 Chapter 7 Help menu 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 bu
15. ENS A 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 by one increment If it is cold outdoors and the room temperature is too high lower the curve slope menu 1 9 1 by one increment If it is warm outdoors and the room temperature is too low increase the value in menu 1 1 by one increment If it is warm outdoors and the room temperature is too high reduce the value in menu 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 temporarily 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 Y If longer time changes are required use the hol iday function or scheduling Menu 1 3 scheduling In the menu 866 indoor climate heating ventila tion is scheduled for each weekday You 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 temperature can be scheduled here for up to three time peri
16. description Menu 5 4 soft in outputs Here you can select which in output on the input circuit board AA3 the external contact function page 25 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 NOTE 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 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 30 for more information about the start guide Chapter 8 Control Menus 51 Menu 5 8 quick start Menu 5 10 change log It is possible to start the compressor from here Read off any previous changes to the control system here The date time and ID no unique to certain settings and Caution the new set value is shown for every chanoe There must be a heating or hot water demand to start the compressor NOTE The change log is saved at restart and remains Caution unchanged after factory setting Do not guick start the compressor too many times in succession over a short period of time as this may damage the compressor and its an cillary eguipment
17. gt N LJ 211 The picture shows the relay in the alarm position When switch SF1 is in the or A 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 Mark up any junction boxes with warnings external voltage NIBETM F370 Chapter 5 Electrical connection Connecting accessories Instructions for connecting accessories are provided in the manual accompanying the accessory See page 59 for the list of the accessories that can be used with F370 28 Chapter 5 Electrical connections NIBETM F370 6 Commissioning and adjusting gm ae ma z m LJ pnm um V cC a RIGA Ora 8 wa Z H H 2 1 Check that the switch SF1 is in position 2 Check that the filling valves OM10 and OM11 are fully closed and that the temperature limiter FD1 has not deployed Caution Check the temperature limiter FD1 and mini ature circuit breaker FA1 in the heat pump They may have tripped during transportation mp AAA A inc BW AF VZ CY ana v
18. starts Temperature sensor data Chapter 9 USB service outlet F370 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 F370 INDOOR CLIMATE HOT WATER HEAT PUMP update firmware logging 12 manage settings When a USB memory is connected a new menu menu 7 appears in the display Menu 7 1 update firmware update firmware 7 1 4 product Heatpump version 716 info Minor changes start updating choose another file This allows you to update the software in F370 NOTE For the following functions to work the USB memory must contain files with software for F370 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 in tended for the software version and general information about them If you wish to select another file than the one selected the correct file can be selected by choose another 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 no to undo
19. 4 Marking 5 Removal and draining 4 Repairing sealed components 2 When working in the refrigerant circuit 2 Wiring 2 Scroll through the windows 36 Selecting menu 35 Selecting options 35 Chapter 13 Item register Serial number 5 Service 53 Service actions 53 Service actions 53 Draining the climate system 53 Draining the hot water heater 53 Helping the circulation pump to start 54 Standby mode 53 Temperature sensor data 54 USB service outlet 54 Setting a value 36 Setting out dimensions 15 Settings 24 Standby mode 53 Power in emergency mode 25 Start guide 30 Start up and inspection 30 Commissioning without fan 31 Setting the pump speed 32 Setting the ventilation 31 Status lamp 33 Supplied components 9 Switch 33 Switch for external blocking of addition and or compressor 26 Switch for external blocking of heating 26 Symbol key 16 Symbols 2 System diagram 14 T Technical data 60 Dimensions and setting out coordinates 60 Electrical circuit diagram 65 Technical Data 61 Technical Data 61 Temperature limiter 19 Resettino 19 Temperature sensor data 54 The heat pump design 10 Component locations 10 List of components 13 Transport 8 Troubleshooting 57 U USB service outlet 54 V Ventilation flow 18 Venting the climate system 29 NIBETM F370 NIBETM F370 Chapter 13 79 80 Chapter 13 NIBETM F370 NIBE AB Sweden Hannabadsv gen 5 Box 14 SE
20. Po fU the equipment and remove and containers and equipment from the installation immediately 11 The collected refrigerant must not be filled in any other system before being cleaned and checked Marking The eguipment must be marked stating that it has been taken out of operation and drained of refrigerant The marking must be dated and signed Check that the eguipment is marked indicating that it contains combust ible refrigerant Collection Best practice prescribes that all refrigerant is collected safely when the refrigerant is drained from a system either for servicing or for decommissioning The refrigerant must only be collected in suitable refriger ant containers Ensure that the reguired number of con tainers that can hold the entire volume of the system are available All containers that are to be used must intended for the collection of the refrigerant and marked for this refrigerant especially designed for the collection of refrigerant The containers must have the correctly functioning relief valves and shut off valves Empty collec tion containers must be drained and if possible chilled before collection The collection eguipment must function correctly and instructions for the eguipment must be to hand The eguipment must be suitable for the collection of combust ible refrigerant Fully functioning and calibrated scales must also be to hand Hoses must be in good condition and be eguipped wit
21. Rights to make any design or technical modifications are reserved NIBE 2012 Symbols NOTE This symbol indicates danger to machine person 52 Caution This symbol indicates important information about what you should observe when maintain ing your installation TIP This symbol indicates tips how to facilitate using the product Marking F370 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 relev ant EU directives The CE mark is obligatory for most products sold in the EU regardless where they are made IP21 means that the product can be touched by hand that objects with a diameter larger than or eguivalent to 12 5 mm cannot penetrate and cause damage and that the product is protected against vertically falling drops Handling The heat pump contains highly flammable refrigerant Special care should be exercised during handling install ation service cleaning and scrapping to avoid damage to the refrigerant system and in doing so reduce the risk ofl eakage Chapter 1 Important information NOTE Work on the refrigerant system must be done by authorised personnel in accordance with the relevant legislation on refrigerants supplemen ted by additional requirements for flammable gas for example product knowledge as well as service instruction on gas systems with flam mable gases
22. Some of the following functions can also be ac tivated and scheduled via menu settings Possible selection for AUX inputs Switch for external blocking of addition andlor compressor In those cases external blocking of addition and or com pressor is wanted this can be connected to terminal block X6 on the input card AA3 which is positioned behind the front cover The additional heat and or the compressor are disconnec ted by connecting a potential free switch function to the input selected in menu 5 4 see page 51 External blocking of addition and compressor can be combined Chapter 5 A closed contact results in the electrical output being disconnected Contact for external tariff blocking In those cases external tariff blocking is used this can be connected to terminal block X6 on the input card AA3 which is positioned behind the front cover Tariff blocking means that the additional heat the com pressor and heating are disconnected by connecting a potential free switch function to the input selected in menu 5 4 see page 51 A closed contact results in the electrical output being disconnected Switch for external blocking of heating In those cases external blocking of heat is used this can be connected to terminal block X6 on the input card AA3 which is positioned behind the front cover Heating operation is disconnected by connecting a poten tial free switch function to the input selected in
23. activation of fan speed 27 Contact for activation of external adjustment 26 Contact for activation of temporary lux 26 Contact for external tariff blocking 26 Contact information 7 Control 33 37 Control Introduction 33 Control Menus 37 Control Introduction 33 Display unit 33 Menu system 34 Control knob 33 Control Menus 37 Menu 1 INDOOR CLIMATE 37 Menu 2 HOT WATER 43 Menu 3 INFO 45 Menu 4 HEAT PUMP 46 Menu 5 SERVICE 49 D Delivery and handling 8 Assembly 8 Installation area 8 Removing parts of the insulation 9 Removing the covers 9 Supplied components 9 Transport 8 Dimensions and pipe connections 15 Dimensions and setting out coordinates 60 Display 33 Display unit 33 Back button 33 Control knob 33 Display 33 OK button 33 Status lamp 33 Switch 33 Disturbances in comfort 57 Manage alarm 57 Troubleshooting 57 Draining the climate system 53 Draining the hot water heater 53 E Electrical addition maximum output 24 Power steps of the immersion heater 24 NIBETM F370 Electrical circuit diagram 65 3x230V 71 3x400V 65 Electrical connections 19 Accessibility electrical connection 20 Cable lock 20 Connecting accessories 28 Connecting external operating voltage for the control system 22 Connections 21 Electrical addition maximum output 24 External connection options 25 General 19 Load monitor 25 Miniature circuit breaker 19 Optio
24. before starting work When working in the refrigerant circuit Pipe installation should be kept to a minimum Connections in the refrigerant circuit must be carried out as follows Soldered welded or mechanical connections must be made before the valves are opened to allow the refri gerant to flow between the cooling system parts The system must be equipped with a vacuum valve to re lieve connecting pipes and or any unfilled parts of the cooling system NIBE F370 Reusable mechanical connectors and collared joints are not permitted indoors Refrigerant pipes must be protected or recessed to prevent damage Must be accessible for future maintenance National gas regulations must be observed Maximum amount of refrigerant See Technical specifica tions Everyone who works with or opens a refrigerant circuit must have a current valid certificate from an accred ited industry issuing body which states that according to the industry s recognised assessment standard they have the authority to safely handle refrigerants Servicing must only be performed according to the equipment manufacturer s recommendations Maintenance and repairs that require the assistance of another trained person must be carried out under the supervision of person with the authority to handle com bustible refrigerants Maintenance and repair that requires the skill of another person must be carried out under the supervision of
25. can for example be blocked depend ing on which operating mode is selected in menu 4 2 if blocking is scheduled in menu 4 9 5 or if an alarm has occurred that blocks one of them Blocking the compressor Blocking additional heat This symbol appears if lux mode for the hot water 15 activated This symbol indicates the actual speed of the fan if the speed has changed from the normal setting This symbol indicates whether holiday setting is activated in menu 4 7 Menu number marked sub menu HOT WATER INDOOR CLIMATE 4 2 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 brighter 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 Name sub menus Name and menu number main menu Symbol INDOOR CLIMATE 1 main menu temperature 2509 ventilation normal scheduling off advanced Status information sub menus Selecting options In an options menu the current selected option is indicated by a green tick comfort mode 2 2 gj economy 3 normal 2 2 luxu Alternative To select another option 1
26. deselect addition it may mean that in sufficient hot water and or heating in the accom modation is achieved NIBETM F370 Menu 4 3 my icons You can select what icon should be visible when the door to F370 is closed You can select up to 3 icons If you se lect more the ones you selected first will disappear The Icons are displayed in the order you selected them Menu 4 4 time amp date Set time and date and display mode here 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 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 heat curve is set This setting applies to all climate systems without room sensors A one degree change in room temperature reguires one increment for under floor heating and approximately two to three increments for the radiator system Vacation scheduling starts at 00 00 on the start date and stops at 23 59 on the stop date TIP Complete holiday setting about a day before your return so that room temperature and hot water have time to regain usual levels TIP lt Y Set the vacation se
27. desired room temperat ure is set in C 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 NIIDETM 2270 N BE TM or Caution If the stop time is before the start time it means that the period extends past midnight Schedul ing always starts on the date that the start time is set for Changes of temperature in accommodation take time For example short time periods in combin ation with underfloor heating will not give a noticeable difference in room temperature If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical ad dition is permitted to intervene When the com pressor is blocked heat is not recovered from the exhaust air Menu 1 3 3 ventilation Increases or decreases in the ventilation to the accommod ation can be scheduled here for up to two time periods per day If two settings conflict with each other a red exclamation mark is displayed at the end of the line Activated Schedule ING VENTILATION 43 6 schedule 2 gj 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 activated 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 p
28. 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 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 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 If mode manual is selected select addition Large hot water consumption Wait until the hot water has heated up Tempor arily 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 Low room temperature Closed thermostats in several rooms See section Saving tips 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 If this is not enough select addition Too low set value on the automatic heating control Enter menu 1 1 temperature and adjust the heat curve offset of the heat cu
29. information displays off or what length of time of the temporary temperature in crease remains Setting hot water comfort The status information displays what mode is selected economy normal or luxury Scheduling hot water comfort Status inform ation set displays if any part of the schedule is active at present holiday setting displays if vacation setting Is in progress menu 4 7 otherwise it displays off 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 reguirement 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 time to the right displays the remaining time at the selected setting When the time has run out F370 returns to the mode set in menu 2 2 Select off to switch off 90217 NIBE F370 2 1 temporary lux Overview 2 9 1 periodic increases 2 9 2 hot water recirc Menu 2 2 comfort mode Setting range economy normal luxury Default value normal The difference between the selectable modes is the temperature of the hot tap water Higher temperature mean
30. is installed in houses with two or more different heating systems that reguire different supply temperatures ECS 40 Max 80 m2 Part no 067 061 ECS 41 Min 80 m2 Part no 067 099 Room unit RMU 40 RMU 40 means that control and monitoring of the heat pump can be carried out in a different part of the accom modation to where F370 is located Part no 067 064 Solar 41 Solar 41 means that F370 can be connected to solar heating Part no 067 127 Top cabinet Top cabinet to room height 2400 2500 2550 2800 mm 2400 mm Part no 089 756 2500 mm Part 089 757 2550 2800 mm Part no 089 758 Chapter 11 Accessories 59 12 Technical data N SS m Avoid routing pipes through the marked area 60 Chapter 12 Technical specifications 3x400 V Output data according to EN 14 511 Stainless steel Specified heating output 2 18 COP 3 93 Specified heating output 2 03 COP 3 24 Specified heating output Ph 1 88 COP3 2 74 Additional power Output immersion heater 10 25 factory setting 5 3 Electrical data Rated voltage 400 V 3N PE 50 Hz Max operating current See table page 24 Driving power circulation pump 5 45 Driving power exhaust air fan 25 140
31. room temperature and the actual room temperature A higher value gives a greater change of the heating curve s set offset If several climate systems are installed the above settings can be made for the relevant systems Chapter 8 Control Menus 41 42 Menu 1 9 6 fan return time speed 1 4 Setting range 1 99 h 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 Setting range 0 80 C You can create your own heating curve here if there are special reguirements by setting the desired supply tem peratures for different outdoor temperatures Caution Curve 0 in menu 1 9 1 must be selected for this 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 outdoor temperature here A one degree change in room temper ature requires one increment for underfloor heating and approximately two to three increments for the radiator system 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 A Y If it i
32. 200 Fax 0845 095 1201 E mail info nibe co uk www nibe co uk NL NIBE Energietechniek B V Postbus 2 NL 4797 ZG WILLEMSTAD NB Tel 0168 477722 Fax 0168 476998 E mail info amp enibenl nl www nibenl nl NO ABK AS Brobekkveien 80 0582 Oslo Postadresse Postboks 64 Vollebekk 0516 Oslo Tel sentralbord 47 02320 E mail post abkklima no www nibeenergysystems no PL NIBE BIAWAR Sp z o o Aleja Jana Pawla ll 57 15 703 BIAEYSTOK Tel 085 662 84 90 Fax 085 662 84 14 E mail sekretariat amp biawar com pl www biawar com pl RU O 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 Chapter 1 Important information 2 Delivery and handling Transport Installation area Leave a space of 500 mm in front of the product Approx 50 mm free space is required in order to open the side hatches The hatches do not need to be opened during service all service on F370 can be carried out from the front Leave space between the heat pump and wall be hind and any routing of supply cables and pipes to re duce the risk reproduction of any vibration F370 should be transported and stored vertically in a dry place The F370 may however be car
33. 285 21 Markaryd info nibe se www nibe eu 031496
34. 3u 4995 J99US 9 Ld8 Fd cdd r In 8 L 9 LLLM J7 67 70LM gt L E Chapter 12 74 0 L6L057 6 aw N3Q3MS QA Vola VW av Jain OLEJ uBis sa3eday A 135 5 5 y 9 9 Lr JE 9 zum i 5 60LM LO0L3d CX LX NM NM 2 ____ jndu 6 id v 8 ND WO el L 9 7 75 Chapter 12 220 1609 TE OLE ZL NOEZXE 2 2 IN 34eg UME ued AV 18510 N NF f gt 12131 pax23u 49945 199 5 9 S A 13S jur 10510 vad NV 8 L 9 SA 7 E V Chapter 12 76 13 Item register Item register A Accessibility electrical connection 20 Accessories 59 Adjusting ventilation 18 Assembly 8 B Back button 33 C Cable lock 20 Cold and hot water 16 Commissioning and adjusting 29 Filing and venting 29 Preparations 29 Start guide 30 Start up and inspection 30 Connecting accessories 28 Connecting cold and hot water 16 Connecting current sensors 25 Connecting external operating voltage for the control system 22 Connecting the climate system 16 Connections 21 Contact for
35. 9 2 external adjustment climate system Setting range 10 to 10 or desired room temperature if the room sensor is installed Default value O Connecting an external contact for example a room thermostat or a timer allows you to temporarily or period ically raise or lower the room temperature When the contact is on the heat curve offset is changed by the number of steps selected in 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 climate system Setting range 20 70 C Default values 20 C Set the minimum temperature on the supply temperature to the climate system This means that F370 never calcu lates 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 55 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 setting Menu 1 9 4 room sensor settings factor system Setting range 0 0 6 0 Default value 2 0 Room sensors to control the room temperature can be activated here Here you can set a factor that determines how much the supply temperature is to be affected by the difference between the desired
36. Chapter 8 Control Menus Curve offset Supply temperature C 70 Offset heating curve 10 0 10 20 30 40 C Outdoor temperature An offset of the heating curve means that the supply temperature changes as much for all the outdoor temper atures e g that a curve offset of 2 steps increases the supply temperature by 5 C at all outdoor temperatures Flow line temperature maximum and minimum values Supply temperature C 70 60 Maximum value Minimum value 10 0 10 20 30 409C Outdoor temperature 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 set 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 Confirm the new setting by pressing the OK button Curve O is an own heating curve created in menu 1 9 7 NIBETM F370 To select another heat curve slope NOTE AN If 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 se
37. Is selected it shows what in the heat pump is permitted crossed out not permitted and selectable alternatives to the right To select selectable functions that are permit Chapter 8 Control Menus Overview 4 9 2 auto mode setting 4 9 4 factory setting user 4 9 5 schedule blocking ted or not you mark the function using the control knob and press the OK button Operating mode auto In this operating mode you cannot select which functions are to be permitted because it is handled automatically by the heat pump 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 Caution If you choose mode add heat only the com pressor is deselected and there is a higher oper ating cost In this operating mode the compressor is not active and only additional heating is used 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 compressor 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 accommoda tion You can deselect the function when you do not wish to have heating running Caution If you
38. aged by the immersion heater load monitor is not connected NOTE A Switch SF1 must not be moved to I or ZA until F370 has been filled with water Otherwise the temperature limiter thermostat and the im mersion heater can be damaged Power in emergency mode The immersion heater s output in emergency mode is set with the dipswitch S2 on the immersion heater circuit board AA1 according to the table below Factory setting 5 8 kW 3x400V 3x400V 3x230V The image shows the dip switch AA1 S2 in the factory setting that is 8 kW NIBETM F370 Optional connections Load monitor When many power consumers are connected in the property at the same time as the electric addition is oper ating 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 electrical addition by redistrib uting the power between the different phases or disen gaging in event of overload in a phase Reconnection occurs when other current consumption is reduced Connecting current sensors 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 install ation point Connect the current sensors to a multi core cable in an enclosure next to the distribution box Use a multi cor
39. artic ular 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 TIP Q If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days ie x Caution If the stop time is before the start time it means that the period extends past midnight Schedul ing always starts on the date that the start time is set for A significant change over a longer period of time may cause poor indoor environment and 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 516118 518 Setting the heat curve offset when the external contact is connected aea Setting minimum permitted flow line temperature Settings regarding the room sensor Fan return time settings in the event of temporary ventilation soeed change eee Setting own heat curve eii Setting the offset of the heating curve at a specific outdoor temperature Setting night cooling Menu 1 9 1 heating curve flow temperature C zB ME outdoor temp C 0 10 0 0 20 30 40 hea
40. at The status lamp illuminates yellow The display is not lit and the control computer is not connected The temperature in the heat pump boiler section is controlled by a fixed thermostat BT30 at 63 C The compressor is off and only the fan heating medi um pump and the electrical addition are active The electrical addition power in emergency mode is set in the immersion heater card AA1 See page 25 for Instructions The automatic heating control system is not operation al so manual shunt operation is required This is done by turning the adjustment screw on the shunt motor MA1 to manual mode and then turning the shunt knob to the desired position ENI Hl 8000 0 7 6 Fa Adjuster screw Draining the water heater The water heater can be drained via the safety valve FL1 or via the overflow cup 1 Disconnect the overflow pipe from the safety valve FL1 and connect a hose to a draining pump instead Where no draining pump is available the water can be released into the overflow cup 1 2 Open the safety valve FL1 NIDETNM Fawn NIBETM F370 3 Open a hot water tap to let air into the syste
41. ation GQ2 Exhaustair fan HQ 10 Exhaust air filter UR 1 Filter cover exhaust air Miscellaneous PF 1 Rating plate PF3 Serial number plate UB1 Cable gland UB2 Cable gland Not visible in the image 2Only heat pumps with copper vessel 3Only heat pumps with stainless steel vessel Only heat pump with enamelled vessel Designations in component locations according to standard IEC 81346 1 and 81346 2 Chapter 3 The heat pump design 13 14 4 Pipe and ventilation connections Pipe installation must be carried out in accordance with current norms and directives The system requires a low temperature design of the ra diator circuit At lowest dimensioned outdoor temperature DUT the highest recommended temperatures are 55 C on the flow line and 45 C on the return 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 in clined to prevent water pockets and must also be frost proof NOTE The pipe system needs to be flushed out before 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 CM1 is 10 litres and it is pressurised as standard to 0 5 bar 5 mvp As a result the maximum permitted height H between the 1 vesse
42. d and the pressure Is correct NIDETNM NIBE IM NOTE The vent pipe from the container must be drained of water before air can be released This means that the system is not necessarily bled despite the flow of water when the bleed valve 20 is opened F370 copper A M gt lt Y a y Le 5 CYST ASS lp HA N LY BP N 70 enamel OM11 OM10 FD1 4 LEA m OLI P 1 7 25 272 lt US 2 Y 3 A 3 4 e QU 6 1 2 ALIS Chapter 6 Commiss RI 24 p om ioning 29 30 Start guide NOTE There must be water in the climate system be fore the switch is set to I Turn the heat pump s switch SF1 to I 2 Follow the instructions in the start guide in t
43. d menus either read off in the sub menu or in the installation manual from page 37 Option setting Make settings for the system here Help menu 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 control knob Setting the ventilation The factory setting for ventilation on the heat pump 15 high Ventilation must be set according to applicable norms The setting is made in menu 5 1 5 Even if ventilation is roughly set at installation it is import ant that a ventilation adjustment is ordered and permit ted NOTE Order a ventilation adjustment to complete the setting Available pressure Fan diagram F370 Pa 450 400 350 300 9096 10096 250 80 200 150 100 50 0 0 20 40 60 80 100 120 Flow I s Power output W Power direct current fan 90 100 80 ss 5 60 40 NIBETM F370 Commissioning without fan The heat pump can be run without recovery as only an electric boiler to produce heat and hot water for ex ample before the ventilation installation is complete Enter menu 4 2 op mode and select add heat only Then enter menu 5 1 5 fan sp e
44. e cable of at least 0 5 mm2 from the enclosure to the heat pump Connect the cable to the input card AA3 on terminal block X4 1 4 where X4 1 is the common terminal block for the three current sensors The size of the property s main fuse is setin menu 5 1 12 Incoming electricity PEN Li Lo 13 Electrical distribution unit Heat pump T1 T2 3 VN L 91 RT External connection options F370 has software controlled inputs and outputs on the input card AA3 for connecting the extern switch func tion or sensor This means that when an external switch function or sensor is connected to one of six special Chapter 5 Electrical connections 25 26 connections the correct function must be selected to the correct connection in the software in F370 Caution If an external switch function or sensor is connec ted to F370 the function to use input or output must be selected in menu 5 4 see page 51 Selectable inputs on the input card for these functions are AUX1 X6 9 10 AUX2 X6 11 12 AUX3 X6 13 14 AUXA X6 15 16 and AUX5 X6 17 18 Selectable out puts are AA3 X7 x block heating activate temp lux not used not used not used alarm output External F370 9 10 11 12 O13 114 115 116 The example above uses the inputs AUX1 X6 9 10 andAUX2 X6 11 12 on the input circuit board AA3 Caution
45. e cables are inserted through the heat pump trom the back to the front For dimensions diagram see page 21 ls 56 ea TAY The switch 581 must not be moved to I until the boiler has been filled with water Otherwise the temperature limiter thermostat and the immersion heater can be damaged N NOTE Electrical installation and service must be carried out under the supervision of a qualified electri Cut the current with the circuit breaker before carrying out any servicing Electrical in stallation and wiring must be carried out in ac cordance with the stipulations in force N B E TM F370
46. e evaporator E LIU Vll gt lt H gt lt XL 1 Connection heating medium flow XL 2 Connection heating medium return XL 3 Connection cold water XL 4 Connection hot water XL 8 Connection docking Dimensions and pipe connec tions y i a lt F _ C Copper q P AC HE 9 gt au WU TA S FA NIBETM F370 Stainless steel A MNE 001 4 1111 EZ 222 Setting out dimensions Connection copper XL1 Heating medium supply XL2 Heating medium return L XL3 water Connection enamel XL1 Heating medium supply XL2 Heating medium return XL3 Cold water XL4 Hot water Connection stainless steel A C 0 Pipe dimensions Connection Heating medium ext m m 6 200 295 420 Cold water ext ot water ext 2 Docking ext verflow water discharge Chapter 4 Pipe and ventilation connections 15 Symbol key Symbol Meaning Venting valve Shut off valve Non return valve Shunt shuttle valve Safety valve Trim valve Tempe
47. efully laid on its back when being moved into a building The centre of gravity is in the upper part 69 50 500 Position F370 on firm base that can take the weight preferably on a concrete floor or foundation Use the product s adjustable feet to obtain a horizontal and stable set up NOTE AN Ensure that there is sufficient space 300 mm above the heat pump for installing ventilation hoses The area where F370 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 installation area should always have a temperature of at least 10 C and max 30 C Chapter 2 Delivery and handling Supplied components Outside sensor Earth cable Current sensor Location The kit of supplied items is placed on top of the product 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 fr
48. ency 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 il luminated and the status lamp illuminates yellow Chapter 7 33 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 HOT WATER Hot water temp Information about operation SERVICE HEAT PUMP Temporary lux if Estimated amount of activated hot water Menu 1 INDOOR CLIMATE Setting and scheduling the indoor climate See page 37 Menu 2 HOT WATER Setting and scheduling hot water production See page 43 3 INFO Display of temperature and other operating information and access to the alarm log See page 45 Menu 4 HEAT PUMP Setting time date language display operating mode etc See page 46 Menu 5 SERVICE Advanced settinos These settings are not available to the end user The menu is visible by pressing the Back button for 7 seconds See page 49 Chapter 7 Symbols in the display The following symbols can appear in the display during operation This symbol appears by the information sign if there 15 information in menu 3 1 that you should note These two symbols indicate whether the compressor or addition is blocked in F370 These
49. enting m Filling the hot water heater 1 Open a hot water tap in the house 2 Open the filling valve QM10 This valve should then be fully open during operations 3 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 Open the venting valve OM20 2 For F370 copper or enamel Open the filling valve QM11 The boiler section and the rest of the cli mate system are filled with water For F370 stainless steel Connect the flexi hose sup plied between OM11 and 13 3 When the water that exits the bleed valve OM20 Is not mixed with air close the valve 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 Tiller valve OM 11 4 Open the safety valve FL2 until the boiler pressure drops to the normal working range approx 1 bar and check that there is no air in the system by opening the vent valve OM20 5 Check that there is water in the overflow cup If the overflow cup requires topping up 1 Turn the safety valve FL1 anticlockwise carefully Venting the climate system 1 Turn off the power supply to the heat pump 2 Vent the heat pump via the vent valve OM20 and the rest of the climate system via the relevant vent valves 3 Keep topping up and venting until all air has been remove
50. ere combustible refrigerant can leak out Before carrying out work the area surrounding the equipment must be checked to ensure that there are no ignition risks No smoking signs must be displayed Ensure that the work is carried out outdoors or that the work area is ventilated before the system is opened and before any hot work is carried out The area must be ventilated whilst the work is being carried out There must be ventilation around any refrigerant that comes out which should be routed outdoors If electrical components are replaced the replacement parts must be fit for purpose and have the correct tech nical specifications Always follow the manufacturer s guidelines regarding maintenance and servicing Contact the manufacturer s technical department in the event of any doubts The following checks must be carried out for installations that use combustible refrigerants The filling quantity is appropriate for the size of the space where the parts that contain refrigerant are in stalled Ventilation equipment and outlet work correctly and without obstructions If an indirect refrigerant circuit is used check whether the secondary circuit contains refrigerant All markings of equipment are visible and clear Markings signs and similar that are not clear must be replaced Refrigerant pipes and components are positioned in such a way that it is not likely that they be subjected to substances that can corrode c
51. ery room of the house the exhaust air devices must be correctly posi tioned and adjusted and the fan in the heat pump adjus ted The factory setting for the ventilation on the heat pump is low and you should therefore adjust the ventilation immediately after installation so that it is set according to the projected value for the house A defective ventilation installation may lead to reduced installation efficiency and thus poorer operating economy and may result in moisture damage to the house NIBE F370 5 Electrical connections All electrical equipment except the outdoor sensors room sensors and the current sensors are ready connected at the factory Disconnect the heat pump before insulation testing the house wiring F370 is not reconnectable between 3x230V and 3x400V f the building is equipped with an earth fault breaker F370 should be eguipped with a separate one m Ifa miniature circuit breaker is used it should have at least motor characteristic C See page 61 for fuse size For the heat pump wiring diagram see page 65 Communication and sensor cables to external connec tions 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 F370 cable grommets UB1and UB2 marked in image must be used In UB1 and UB2 th
52. ey 16 Cold and hot water 16 Heating medium side 16 Installation alternative 17 General ventilation connection 18 Ventilation flow 18 Adjusting ventilation 18 5 Electrical connections 19 General 19 Connections 2 Settings 24 Optional connections 25 Connecting accessories 28 6 Commissioning and adjusting 9 Preparations 29 Filling and venting 29 Start up and inspection 30 7 Control Introduction 33 Display unit 33 Menu system 34 8 Control Menus 37 Menu 1 INDOOR CLIMATE 37 Menu 2 HOT WATER 43 Menu 3 INFO 45 Menu 4 HEAT PUMP A6 Menu 5 SERVICE 49 9 Service 53 Service actions 10 Disturbances in comfort 57 Info menu 57 Manage alarm 57 Troubleshooting 57 11 Accessories 59 12 Technical data 60 Dimensions and setting out coordinates ____ 60 Technical specifications 61 Electrical circuit diagram 65 Item register 77 Table of Contents 1 Important information Safety information This manual describes installation and service procedures for implementation by specialists This appliance is not intended for use by persons includ ing children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concern ing use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance
53. formation is on several pages Turn the control knob to scroll between the pages Menu 3 3 add heat info Information about the additional heat settings operating Status and statistics can be obtained here No changes can be made NIBE F370 Overview 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 information 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 room unit Is installed Otherwise 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 Press the OK button Follow the grey line up to the graph and out to 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 Press the OK or Back button to exit read off mode Chapter 8 Control Menus 45 46 Me
54. fter filling but before using the system Perform an additional leak test before leaving the installation Leak testing The following leak detection methods are deemed accept able for systems containing flammable refrigerants Electronic leak detectors shall be used to detect flam mable refrigerants but the sensitivity may not be ad equate or may need re calibration Detection equipment shall be calibrated in a refrigerant free area Ensure that Chapter 1 Important information the detector is not a potential source of ignition and is suitable for the refrigerant used Leak detection equip ment shall be set at a percentage of the LFL of the refri gerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 96 maximum is confirmed Leak detection fluids are suitable for use with most refri gerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refri gerant and corrode the copper pipe work If a leak is suspected all naked flames shall be removed ex tinguished If a leakage of refrigerant is found which requires brazing all of the refrigerant shall be recovered from the system or isolated by means of shut off valves in a part of the system remote from the leak Oxygen free nitrogen OFN shall then be purged through the system both before and during the brazing process Decommissioning Before performing this procedure t
55. h leak proof guick couplings Before using the collecting machine check that it works correctly and has been well maintained and that corresponding electrical components are sealed to prevent ignition if any refrigerant should come out Contact the manufacturer in the event of any doubts Return the collected refrigerant to the refrigerant supplier in the correct collection container and with the relevant Waste Transfer Note Do not mix refrigerants in collection devices or containers If compressors compressor oil are is to be removed ensure that the affected device is drained to an acceptable level to ensure that no combustible refrigerant remains in the lubricant Compressors must be drained before being returned to the supplier Only electrical heating of the compressor housing may be used to quicken draining Drain oil from the system in a safe manner 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 di gits when reporting a fault Country specific information Installer manual This installer manual must be left with the customer Chapter 1 Important information Inspection of the installation Current regulations require the heating installation to be inspected before it is commissioned The inspection must be carried out by a suitably gualified person F
56. he heat pump display If the start guide does not start when you start the heat pump start it manually in menu 527 TIP Y See page 33 for a more in depth introduction to the heat pumps control system operation menus etc 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 Caution As long as the start guide is active no function in the heat pump will start automatically The guide will appear at each heat pump restart until it is deselected on the last page Operation in the start guide Page Name and menu number cesky C dansk deutsch Option setting Help menu Chapter 6 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 Press the 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 affecte
57. he technician must be familiar with the equipment and all its component parts Good practice prescribes that all refrigerant is col lected safely Before the work is carried out samples of oil and refrigerant must be taken if analyses are required before collected refrigerant can be reused There must be a power supply when this task is started 1 Familiarise yourself with the equipment and its use 2 lsolate the system electrically 3 Before starting the procedure ensure that necessary equipment for mechanical handling of the refrigerant container is available all necessary personal safety equipment is available and used correctly the collection process is continuously supervised by an authorised person the collection equipment and containers meet appro priate standards Pump the refrigerant system to vacuum if possible 5 If itis not possible to pump to vacuum manufacture a branch so that the refrigerant can be retrieved from different parts of the system 6 Check that the refrigerant container is on the scales before starting to collect Start the collection device and collect according to the manufacturer s instructions 8 Do not overfill the containers max 80 96 volume liquid content 9 Do not exceed the containers maximum permitted working pressure not even temporarily 10 When the containers have been filled correctly and the process is complete close all shut off valves in NIB L dd
58. ill in the page for information about installation data in the User manual wv Description Signature Date Ventilation page 18 Setting the ventilation flow Connecting ground cables Heating medium page 16 System flushed System vented Circulation pump setting Setting heating medium flow Fuses property Room sensor Current sensor only copper version Safety breaker Earth circuit breaker Chapter 1 Important information NIBE F370 Contact information AT KNV Energietechnik GmbH Gahberggasse 11 4861 Sch rfling Tel 43 0 7662 8963 0 Fax 443 0 7662 8963 44 E mail mail knv at www knv at CH NIBE Warmetechnik AG Winterthurerstrasse 710 CH 8247 Flurlingen 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 Volund Varmeteknik A S Member of the Nibe Group Brog rdsvej 7 6920 Videbaek Tel 97 17 20 33 Fax 97 17 29 33 E mail info volundvt dk www volundvt dk NIBE Energy Systems OY Juurakkotie 3 01510 Vantaa Puh 09 274 697 O Fax 09 274 697 40 E mail info nibe fi www nibe fi GB NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield 541 906 Tel 0845 095 1
59. ime decide how long the hot water circula tion pump must run per operating instance downtime decide how long the hot water circulation pump must be stationary between operating instances NIBETM F370 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 it Is just display of 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 heat pump 491441955612 shows operating times number of starts etc for the compressor 2166 721618497 displays information about the addition 5 operating times etc displays the latest alarm and information about the heat pump when the alarm occurred the average temperature indoors 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 12 Compressor Addition gt Ventilation Menu 3 2 compressor info Heating ry Hot water Information about the compressor s operating status and Statistics can be obtained here No changes can be made The in
60. ime 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 TIP N 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 Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for 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 increases 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 hot water temperature at regular intervals The length of time between increases can be selected here The time can be set between 1 and 90 days Factory setting is 14 days Untick activated to switch off the function Chapter 8 Control Menus Menu 2 9 2 hot water recirc operating time Setting range 1 60 min Default value 3 min downtime Setting range 0 60 min Default value 12 min Set the hot water circulation for up to three periods per day here During the set periods the hot water circulation pump will run according to the settinos above operating t
61. in menu 2 9 1 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 climate system individual maximum flow temperatures can be set for each system Caution Underfloor heating systems are normally ue Aa set between 35 and 45 42 Check the max floor temperature with your floor supplier Menu 5 1 4 alarm actions Select if you want the heat pump to alert you that there is an alarm in the display here Chapter 8 Control Menus VER 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 O 100 96 Set the speed for the five different selectable speeds for the fan here E Caution An incorrectly set ventilation flow can damage the house and may also increase energy con sumption Menu 5 1 12 internal electrical addition set max electrical add Setting range 3x400 V 0 10 25 kW Setting range 3x230 V 0 12kW Default values 5 3 kW fuse size Setting range 1 200 A Default values 16 A Here you set the max electrical output of the internal electrical addition in F370 and the fuse size for the install ation Here you can also check which current sensor is installed on which incoming phase to the prope
62. l the highest radiator is 5 metres see figure L If the standard initial pressure in the pressure vessel is not high enough it can be increased by adding air via 444 WI the valve in the expansion vessel The initial pressure of the expansion vessel must be stated in the inspection document Any chanoe in the initial pressure affects the ability of the expansion vessel to handle the expansion of the water The maximum system volume excluding the boller is 219 litres at the above pre pressure Chapter 4 System diagram F370 consists of a heat pump water heater immersion heater circulation pump and control system F370 is connected to ventilation system and heating medium circuits When the exhaust air at room temperature passes through the evaporator the refrigerant evaporates be cause 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 li quid 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 th
63. lection has been confirmed the heat curve number is marked 3 Press the OK button to access the setting mode Select a new heating curve The heat curves are numbered from 0 to 15 the greater the number the steeper the slope and the greater the supply temper ature 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 temperat ure at the selected outdoor temperature 4 You can 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 EN 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 by one incre ment If it is cold outdoors and the room temperature is too high lower the curve slope by one incre If it iswarm outdoors the room temperature Is too low increase the curve offset by one incre ment If it is warm outdoors and the room temperature is too high lower the curve offset by one incre ment Menu 1
64. m OM 31 Shut off valve heating medium flow QM 32 Shut off valve heating medium return QN11 Shunt valve WM 1 Tundish WM 2 Overflow water discharge WP 1 Overflow pipe safety valve hot water heater WP2 Overflow pipe safety valve climate system WP3 Condensation lead off fan box Sensors etc BP 1 BP 2 PPS BI 1 BI 2 BI 3 BT 6 BI BI 16 BI 18 BI 19 BI 20 BT 21 BT 30 BT 0 High pressure pressostat Low pressure pressostat Pressure gauge heating system Outdoor sensor Temperature sensors heating medium flow Temperature sensors heating medium return Temperature sensor hot water control Temperature sensor hot water display Temperature sensor evaporator Temperature sensor compressor operation Temperature sensor immersion heater operation Temperature sensor exhaust air Temperature sensor extract air Thermostat backup heating Room sensor Electrical components AA 1 AA 2 AA 3 Immersion heater card Base card Input circuit board AA 4 Display unit AA4 XJ3 USB socket AA4 XJ4 Service socket 8 Sacrificial anode AA100 Connection card air treatment section exhaust air CA 1 Capacitor EB 1 Immersion heater EB 10 Compressor heater FA 1 Miniature circuit breaker FD 1 Temperature limiter MA1 Shuntmotor with hand wheel RA2 4 RF 3 EMC filter SF 1 Switch Cooling components EP 1 Evaporator GQ 10 Compressor HZ 2 Drying filter QN 1 Expansion valve Ventil
65. m 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 NOTE There may be some hot water when drainino the heating medium 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 10 2 Set the vent valve for the climate system OM20 in the open position for air supply Chapter 9 Service 53 54 Helping the circulation pump to start 1 Shut off F370 by setting the switch SF1 to 2 Open the service cover 3 Remove the cover for the cooling module 4 Loosen the venting screw QM5 with a screwdriver Hold a cloth around the screwdriver blade as a small amount of water may run out 5 Insert a screwdriver and turn the pump motor around 6 Screw in the venting screw 5 7 Start F370 by setting the switch SF1 to I and check whether the circulation pump works It is usually much easier to start the circulation pump with F370 running switch SF1 set to I If helping the circu lation pump to start is performed with F370 running be prepared for the screwdriver to jerk when the pump
66. mbin ation with underfloor heating will not give a noticeable difference in room temperature NIBETM F370 Chapter 5 Electrical connection 23 24 Settings HH 9 OM Electrical addition maximum output The immersion heater can be set to a maximum of 10 25 kW 12 kW at 3x230V Delivery setting is 5 3 kW The immersion heater output is divided into steps accord ing to the table below Setting maximum output in the electrical addition is done In menu 5 1 12 Power steps of the immersion heater 3x400V Electrical Fusing Max A Max A Max A addition A L1 L2 L3 kW 0 ho I OO 3x230V Electrical Max A L1 Max A L2 Max A L3 addition kW 600 23 24 8 24 8 20 1 34 24 8 20 7 12248 po The table displays the maximum phase current for the relevant electrical step for the heat pump If the current sensors are connected the heat pump monitors the phase currents In the event of a phase Chapter 5 Electrical connections overload the power is reconnected to another other phases NIBE F370 Emergency mode When the heat pump is set to emergency mode SF1 is set to AN only the most necessary functions are activated The compressor is off and heating is man
67. menu 5 4 see page 51 A closed switch results in blocked heating operation Contact for activation of temporary lux An external contact function can be connected to F370 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 51 on terminal block X6 on the input circuit board AA3 temporary lux is activated for the time that the contact Is connected Contact for activation of external adjustment An external contact function can be connected to F370 to change the supply temperature and the room temper ature 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 not activated the desired offset of temperature heating curve offset is set with the number of steps selected The value is adjustable between 10 and 10 climate system 1 The switch must be potential free and connected to the selected input menu 5 4 see page 51 on termin al block X6 on the input circuit board AA3 The value for the change is set in menu 1 9 2 extern al adjustment climate system 2 to 4 External adjustment for climate systems 2 to 4 require accessories ECS 40 See the accessory s installer handbook for installation Instructions Contact for activation of fan speed An external contact function can be connected to F370 K for activation
68. mv 50 dd Mw w miu Loa ama TE 80LM S SET 92 214 52 k Ore Pel COLM Z x 24 2 6 ELX 9 9 EOLM I E wm Lor ag PUA a Go vas 15 u eig OL 6 E 08270 T am 3 5 7 000007 MOTA k S qid 2095 SUM 9X SX _ LLX gea ram CNN 8 L 9 SA pelg 00 UNOJd Eld ur 3 Cm us JE LES 6 8 18 6 19 918 12 72 OLEJ MA ZL AQECXE JSVd N3Q3MS QA Vola VW gv Jain uBisag sa3eday paxpeu E 7 7 OLM E 90LM LYW OLLM LOLM YEEX ese 5 Vd VV 73 Chapter 12 9 18 0c18 LC18 4 19 lot 8 L 9 5 0 00 2 0LEJ AVR 01 av 38IN ZL AOECXE aleg UMPJQ 458 CH I I 9 6 L a c O P E pex2
69. n continuously to red continuously In addition an alarm bell appears in the information window Alarm In the event of an alarm with a red status lamp a malfunc tion has occurred that the heat pump cannot remedy it self 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 prob lem 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 prob lem that caused the alarm remains If the alarm disappears and then returns see the troubleshooting section page 57 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 15 not run ning In this case the immersion heater produces heat and or hot water r Caution Selecting aid mode is not the same as correct ing the problem that caused the alarm The status lamp will therefore continue to be red If the operational interference is not shown in the display the
70. nal connections 25 Outdoor sensor 22 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 23 Settings 24 Standby mode 25 Temperature limiter 19 Exhaust air duct 18 External connection options 25 Contact for activation of fan speed 27 Contact for activation of external adjustment 26 Contact for activation of temporary lux 26 Contact for external tariff blocking 26 Possible selection for AUX inputs 26 Possible selection for AUX output potential free variable re lay 27 Switch for external blocking of addition and or compressor 26 Switch for external blocking of heating 26 F Filling and venting 29 Filling the climate system 29 Filling the hot water heater 29 Venting the climate system 29 Filling the climate system 29 Filling the hot water heater 29 H Handling 2 Heating medium side 16 Helping the circulation pump to start 54 Help menu 30 36 Important information 2 Safety information 2 Inspection of the installation 6 Installation alternative 17 Connecting hot water circulation 17 Extra hot water heaters 17 Two or more climate systems 17 Installation area 8 M Manage alarm 57 Marking 2 Menu 1 INDOOR CLIMATE 37 Menu 2 HOT WATER 43 Menu 3 INFO 45 Menu 4 HEAT PUMP 46 Menu 5 SERVICE 49 Chapter 13 Item register 77 78 Menu system 34 Help men
71. ng height Weight art No 1A20 12 W35 exhaust air flow 200 m3 h 2A20 12 W45 exhaust air flow 150 m3 h 3A20 12 W55 exhaust air flow 110 m h 4The value varies with the selected fan curve For more extensive sound data including sound to channels visit www nibe eu The value can vary with the room s damping capacity These values apply with a damping of 4 dB 6A20 12 exhaust air flow150 m3 h 62 Chapter 12 Technical data NIBE F370 3x230 V Output data according to EN 14 511 Specified heating output 2 18 COP 3 95 Specified heating output 2 03 COP 3 24 Specified heating output P 1 88 COP3 2 74 Additional power Output immersion heater 12 0 factory setting 5 3 Electrical data Rated voltage 230 V 3N PE 50 Hz Max operating current See table page 24 Driving power circulation pump 5 45 Driving power exhaust air fan 25 140 Fuse See table page 24 Enclosure class IP 21 Refrigerant circuit Type of refrigerant R290 propane Volume Cut out value pressostat HP MPa bar Cut out value pressostat LP MPa bar 0 4 2 45 24 5 OR Pee Heating medium circuit Max pressure in boiler section MPa bar 0 25 2 5 Max temperature flow line 70 factory setting 60 Min air flow at exhaust air temperature at lea
72. nnecting hot water circulation To reduce the risk of bacterial growth in systems with hot water circulation the temperature 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 ends of the system The circulation pump for hot water circulation can be controlled by the heat pump The HWC return can be connected to a freestanding water heater a 17 18 General ventilation connection Ventilation installation must be carried out in accordance with current norms and directives To prevent fan noise being transferred to the ventilation devices it may be a good idea to install a silencer in the duct This is especially important if there are ventilation devices in bedrooms 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 Provision 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 creases tight bends etc since this will reduce the ventil ation capacity The air duct system must be a minimum of air tightness class B The exhaust air duct must be a maximum of 20 m long and contain a maximum of six bends Because the heat pump contains a flammable refrigera
73. nt in the form of propane R290 the air ducting system must be grounded This is done by making a sound elec trical connection to the exhaust air and vented air ducts with the 2 ground cables supplied The cables must then be connected to the ground studs on top of the top cover Exhaust air duct Exhaust air duct kitchen fan must not be connected to F370 NOTE AN A duct in a masonry chimney stack must not be used for extract air Extract air Exhaust air 35 I Chapter 4 Pipe and ventilation connections Ventilation flow Connect F370 so that all exhaust alr except exhaust air duct air kitchen fan passes the evaporator EP1 in the heat pump Lowest ventilation flow must fulfill applicable norms For optimum heat pump performance the ventil ation flow should not be less than 28 1 5 100 m3 h at an exhaust air temperature of at least 20 C On occasions when the exhaust air temperatures are lower than 20 C for example on start up and when there is no one in the accommodation the minimum value 15 31 I s 110 m3 h The heat pump s installation area should be ventilated with at least 5 1 5 18 m3 h The installation area must have a volume of at least 8 m3 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 ev
74. nu 4 HEAT PUMP 4 HEAT PUMP 4 2 op mode 4 3 my icons 4 4 time amp date 4 6 language 4 7 holiday setting 4 9 advanced Sub menus For the menu ala 0 il there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Activation of manual or automatic operating mode The status information shows the selected operat ing mode Settings regarding which icons in the heat pump s user interface that are to appear in the slot when the door is closed IIT Setting current time and date Select the language for the display here The status information shows the selected language Vacation scheduling heating and ventila tion Status information set is displayed if you set a Vacation schedule but it is not active now active dis plays if any part of the Vacation schedule is active other wise it displays off Setting heat pump work mode Menu 4 2 op mode op mode Setting range auto manual add heat only Default value auto functions Setting range compressor addition heating The heat pump operating mode is usually set to 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 are to be permitted Change the operating mode by marking the desired mode and pressing the OK button When an operating mode
75. 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 A one degree change in room temperature requires one increment for underfloor heating and approximately two to three increments for the radiator system Chapter 8 Control Menus If two settings conflict with each other a red exclamation mark is displayed at the end of the line Activated Schedule System gj activated system 1 21 30 06 00 20 5 Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation System Which climate system the schedule is for is se lected 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 partic ular 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 the rooms sensor is installed the
76. of one of the four fan speeds The switch 1 2 3 must be potential free and connected to the selected in put menu 5 4 see page 51 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 F370 External Possible selection for AUX output potential free variable relay EN JBunuuuuunuuuunuuurt 0 Es It is possible to have external connection through the relay function via a potential free variable relay max 2 Circulation pump 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 see page 51 The common alarm is preselected at the factory NOTE An accessory is required if several functions are connected to terminal block X7 at the same time that the buzzer alarm is activated see page 59 4 om 5 E W 92 TOM TT UT ooroo oO
77. om tem perature Install the sensor in a neutral position where the set temperature is required 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 measur ing the correct room temperature by being located for example in a recess between shelves behind a curtain above or close to a heat source in a draft from an extern al 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 temper ature in F370 s display the sensor must be installed Connect the room sensor to X6 3 and X6 4 on the input circuit board AA3 If the sensor is to be used to change the room temperat ure in C and or to change stabilise the room temperat ure 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 Room sensor F370 I TW 31 NER Rm 1 0 HEE Caution Chanoes of temperature in accommodation take time For example short time periods in co
78. omponents contain ing refrigerant if these components are not made of material that is resistant against corrosion or not ap propriately protected against such corrosion Repair and maintenance of electrical components must include initial safety checks and procedures for compon ent inspection In the event of a fault which can cause a safety risk do not supply any power to the circuit until the fault has been rectified If the fault cannot be rectified immediately and operation must continue an adequate temporary solution must be implemented This must be reported to the equipment owner so that all parties have been informed The following checks must be carried out at the initial safety checks Thatthe capacitors are discharged Discharging must be done safely to prevent the risk of sparking That no powered electrical components or live cables are exposed when filling or collecting refrigerant or when the system is flushed That the system is continually grounded Chapter 1 Important information Removal and draining When a cooling circuit is opened for repairs or for an other reason work must be carried out in a conventional manner Due to the risk of fire it is important that best practice is applied Follow the procedure below Drain the refrigerant Flush the circuit with inert gas Drain the circuit Flush again with inert gas Open the circuit by cutting or bu
79. onal heat transfer time Here you can set transfer time between heating and hot water production in F370 months btwn filter alarms Here you set the number of months between alarms for a reminder to clean the filter in F370 fan synch operation Select whether you want the fan to maintain the same speed regardless of whether the compressor is operating 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 com pressor Is in operation Menu 5 2 system settings Make different system settings for the heat pump here e g which accessories are installed 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 F370 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 s Default values 30 s Set the shunt amplification and shunt waiting time for the different extra climate systems that are installed See the accessory installation instructions for function
80. ont cover 3 Lift the cover out at the bottom edge and up Pull the hatch towards yourself NIBE F370 Side covers The side covers can be removed to facilitate the installa tion 1 Remove the screws from the upper and lower edges Twist the cover slightly outward Move the cover backwards and slightly to the side Pull the cover to one side s Pull the cover forwards Removing parts of the insula tion Parts of the insulation can be removed to facilitate the installation Insulation top 1 Grip the handle and pull straight out as illustrated Chapter 2 Delivery and handling UR1 BT21 VXL31 XL32 GQ2 BP1 3 heat pump design F370 copper
81. perature use the control knob to set the desired temperature in the display Confirm NIBETM F370 Overview 1 3 1 heating 1 3 3 ventilation 9 1 heating curve 9 2 external adjustment 9 3 min flow line temp 9 6 fan return time 9 7 own curve 9 8 point offset 1 1 1 1 9 4 room sensor settings 1 1 1 1 9 9 night cooling 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 de pends on the heating unit One step for under floor heating whilst radiators may reguire three Setting the desired value The new value is shown on the right hand side of the symbol in the display LF Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermo stat valves fully except in those rooms where a cooler temperature is required e g bedrooms Chapter 8 Control Menus 37 38 TIP
82. pump 12 F370 stainless steel GQ2 3 0 I O U w m A o 3 gt el oo 1 MAT SA o eu s ACK HU 25 5 Bu A GQ LS T WHY NU l 4 ex gt c c B B A gt 60 x C gt Qo A A2 3 BT6 RF3 RA2 BP5 QM20 Chapter 3 The heat pump design NIBETM F370 Pipe connections XL 1 Connection heating medium flow line XL 2 Connection heating medium return line XL 3 Connection cold water XL 4 Connection hot water XL 5 Connection hot water circulation XL 8 Connection docking in 10 Connection draining heating medium 31 Ventilation connection exhaust air XL 32 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 valve2 FQ 1 Mixer valve hot water 4 GP 1 Circulation pump QM 10 Filler valve hot water heater QM 11 Filler valve climate system QM13 Filler valve 2 climate system QM 20 Venting climate syste
83. rature sensor Expansion vessel Pressure gauge Circulation pump Particle filter Compressor D A D Chapter 4 Pipe and ventilation connections Heat exchanger Cold and hot water Connecting cold and hot water The mixing valve must be installed if the factory setting is changed so that the temperature can exceed 60 C If the factory setting is changed national regulations must be observed The setting is made in menu 5 1 1 page 50 8 t 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 suffi cient flow NIBETM F370 F370 can be connected in several different ways some of which are shown below Further option information is available at www nibe eu and in the respective assembly instructions for the ac cessories used See page 59 Tor a list of the accessories that can be used with F370 Extra hot water heaters Extra hot water heaters The heat pump should be supplemented with an electric water heater if a hot tub or other significant consumer of hot water is installed 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 connec tion Co
84. rnino Collect the refrigerant in the intended container Flush the system with oxygen free nitrogen to make the device safe This process may need to be repeated several times Compressed air and oxygen may not be used Flush the system by breaking the vacuum with oxygen free nitrogen and filling the system to working pressure relieving the pressure to atmospheric pressure and finally pumping to vacuum Repeat the process until no refriger ant remains in the system After the final of oxygen free nitrogen relieve the pressure in the system to atmo spheric pressure so that work can be carried out This type of flushing must be carried out if hot work is to be performed on the pipe system Ensure that the vacuum pump s outlet is not near to igni tion sources and that there is satistactory ventilation by the outlet Filling In addition to the conventional filling procedures the following actions must be taken Ensure that different refrigerants are not mixed when filling equipment is used Hoses and lines must be as short as possible to minimise the enclosed refrigerant volume Containers must be stored upright Ensure that the cooling system is grounded before the system is filled with refrigerant Mark the system once filling is complete if not already marked Take extra care not to overfill the cooling system Before refilling the system pressure test it with oxygen free nitrogen Leak test the system a
85. rty this requires current sensors to be installed see page 25 This is achieved by marking detect phase order and pressing the OK button The results of these checks appear just below where the checks were activated Menu 5 1 13 max inst el pwr BBR max installed el pwr only this machine Setting range 0 000 30 000 kw Default values 15 000 kW In order to meet certain building regulations it is possible to lock the device s maximum power output In this menu you can set the value corresponding to the heat pump s maximum power connection for heating hot water and cooling if applicable Note whether there are also external electrical components that are to be included After the value has been locked a weeks cooling off period starts After this period parts in the machine must be replaced in order to obtain greater power If the above building regulations are not applicable do not use this setting Menu 5 1 99 other settings trend calculation limit Setting range 0 20 C Default value 7 C transfer time Setting range 1 60 min Default value 15 min months btwn filter alarms Setting range 1 12 Default value 3 Here you can set trend calculation limit transfer time months btwn filter alarms and fan synch operation trend calculation limit Here you set at what outdoor temperature the trend calculation is to stop Below this limit trend calculating is not used to enable the additi
86. rve If the room temper ature is only low in cold weather the curve slope Chapter 10 57 58 in the menu 1 9 1 heating curve needs to be adjusted up 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 1 3 4 m Enter menu 1 3 4 and select Off External switch for changing the room heating activ ated Check any external switches Circulation pump GP6 stopped See section Helping the circulation pump to start on page 54 Air the heating system Vent the heating system see page 29 Closed valves QM20 QM32 to the heating system Open the valves High room temperature Too high set value on the automatic heating control Enter menu 1 1 temperature and adjust the heat curve offset downwards If the room temperature is only high in cold weather the curve slope in menu 1 9 1 heating curve needs to be adjusted down External switch for changing the room heating activ ated Check any external switches Low system pressure Notenough water in the heating system Top up the water in the heating system see page 29 Low or a lack of ventilation Filter HQ10 blocked m Clean or replace the filter Exhaust air device blocked or throttled down too much m Check and clean the exhaust air devices Fan speed in reduced mode Enter menu 1 2 and
87. s 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 Chapter 8 Control Menus Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise 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 out door temperature is lower a cooling effect can be ob tained 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 soeed 4 until one of the conditions is no longer met m Caution Night cooling can only be activated when house heating has been deactivated This is done in menu 4 2 Menu 2 HOT WATER 2 HOT WATER 2 2 comfort mode 2 3 scheduling 2 9 advanced Accessory needed Sub menus For the menu aleman wi there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Activation of temporary increase in the hot water temperature Status
88. s that the hot water lasts longer economy This mode gives less hot water than the other but is more economical This mode can be used in smaller households with a small hot water requirement 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 peri ods per day Scheduling is activated deactivated by ticking unticking ac tivated Set times are not affected at deactivation If two settings conflict with each other a red exclamation mark is displayed Activated Schedule activated all mon normal tues we thur fri sat sun Conflict Day Time period Adjusting Chapter 8 Control Menus 43 Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated 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 partic ular 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 T
89. select normal External switch for changing the fan speed activated m Check any external switches High or distracting ventilation The ventilation is not adjusted Order implement ventilation adjustment Fanspeed in forced mode Chapter 10 Disturbances in comfort Enter menu 1 2 and select normal External switch for changing the fan speed activated Check any external switches Filter HQ10 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 reset 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 11 Accessories Communications module SMS 40 SMS 40 enables operation and monitoring of F370 via a GSM module using a mobile phone via SMS messages If the mobile telephone also has the Android operating system the mobile application NIBE Mobile App can be used Part no 067 073 Docking kits DEH There are separate docking kits available for connecting other heat sources to the heat pump Docking kit wood oil pellets DEH 40 Part no 066 101 Docking kit gas DEH 41 Part no 066 102 Extra shunt group ECS 40 ECS 41 This accessory is used when F370
90. someone with the above expertise Before work is started on systems that contains combust ible refrigerants safety checks must be performed to ensure that the ignition risk is kept to a minimum The work must be carried out in a controlled way to minimise the risk of contact with combustible gas or liquid during the work All maintenance staff and those who work in close prox imity to the product must be instructed which type of work is to be carried out Avoid carrying out work in en closed spaces The area surrounding the worksite must be cordoned off Ensure that the area is made safe by removing combustible material Check whether there is refrigerant in the area using a suitable refrigerant detector prior to and during work to notify the service technician whether there is a possible flammable atmosphere or not Ensure that the refrigerant detector is suitable for combustible refrigerant i e does not generate sparks or cause ignition in any other way If hot work is carried out on the heat pump a powder or carbon dioxide fire extinguisher must be to hand Those who carry out work with refrigerant system con nections including exposing pipes that contain or have contained combustible refrigerant may not use potential ignition sources in such a way that that can lead to risks of fire or explosions All potential ignition sources including cigarette smoking should be kept at a safe distance from the service work area wh
91. st 20 5 28 Min air flow at exhaust air temperature below 20 C I s 31 Sound power level according to EN 12 102 Sound power level dB A 46 5 48 0 Sound pressure levels Sound pressure level in the boiler house Lpa 42 5 44 0 Pipe connections Heating medium ext 22 Hot water ext Cold water ext Docking ext 2 mm 22 Ventilation mm 125 NIBETM F370 Chapter 12 Technical data 63 Miscellaneous 3x230 V Water heater Volume total Volume boiler section 70 olume hot water heater Max pressure in hot water heater MPa bar 1 0 10 orrosion protection Stainless steel Tap volume 40 C at Normal comfort V max 281 COP at Normal comfort COP 616 2100 2125 2270 kg 205 066 042 mm mm mm mm 1A20 12 W35 exhaust air flow 200 m h 2A20 12 W45 exhaust air flow 150 m h 3A20 12 W55 exhaust air flow 110 m3 h 4The value varies with the selected fan curve For more extensive sound data including sound to channels visit www nibe se The value can vary with the room s damping capacity These values apply with a damping of 4 dB 6A20 12 exhaust air flow150 m3 h 64 Chapter 12 Technical data NIBE F370 3x400V 96 017 4 20 Juelg OLEJ MA SZ OL A007XE 3 V 5 av 38lN lt gt 5932
92. t are available to the user including ad vanced menus can be reset to default values here E Caution After factory setting personal settings such as heating curves ventilation etc must be reset Chapter 8 Control Menus 47 48 Menu 4 9 5 schedule blocking The compressor can be scheduled to be blocked for up to two different time periods here If two settings conflict with each other a red exclamation mark is displayed at the end of the line When scheduling is active the actual blocking symbol in the main menu on the heat pump symbol is displayed Activated Schedule gj activated all mon tues we thur 1 58 8 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 activated 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 partic ular 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 Blocking the compressor Blocking additional heat TIP 22 If you wish to set similar scheduling for every day of the
93. th a min imum breaking gap of 3mm Minimum cable area must be dimensioned according to the fuse rating used Sup plied cable length approx 2 m for incoming electricity is connected to terminal block X1 on the immersion heater card AA1 The connection cable can be found on the reverse of F370 see dimensions diagram below enm J UB1 and UB2 1670 Power supply cable 300 is 50 30 _ A F370 is not reconnectable between 3x230V and 3x400V Connection 3x400V AA1 X1 Connection 3x230V E
94. the set interval until activated Is unticked Caution Untick activated before removing the USB memory Chapter 9 55 56 Menu 7 3 manage settings manage settings 7 3 13 save settings recover settings Here you can manage save as or retrieve from all the menu settings user and service menus in F370 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 F370 NOTE 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 Reset of the menu settings from the USB memory cannot be undone Chapter 9 10 Disturbances in comfort In most cases the heat pump notes operational interfer ence operational interference can lead to disturbance in comfort and indicates this with alarms and shows action Instructions in the display 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 45 for more information about menu 3 1 Lon rr Low pressure alarm 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 changing from gree
95. ting curve Setting range O 15 Default value 5 In the menu the so called heating curve for your house can be viewed The task of the heating curve 15 to give an even indoor temperature regardless Chapter 8 39 40 of the outdoor temperature and thereby eneroy 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 flow line temperature and therefore the indoor temperature You can select heating curve and read off how the flow line temperature changes at different outdoor temperatures here Curve coefficient Supply temperature C 70 Steeper curve slope 10 0 10 20 30 409C Outdoor temperature The slope of the heating curve indicates how many de grees the supply temperature is to be increased reduced when the outdoor temperature drops increases A steeper slope means a higher supply temperature at a certain outdoor temperature The optimum slope depends on the climate conditions in your location if the house has radiators or under floor 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 making fine adjustments for the indoor temperature the heat curve must be offset up or down instead this is done in menu 1 1
96. tting in advance and activate just before departure in order to maintain the comfort EF Caution If you choose to switch off hot water production during the vacation periodic increases prevent ing bacterial growth are blocked during this time periodic increases started in conjunction with the vacation setting being completed NIBE F370 r Caution If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical ad dition Is permitted to intervene When the com pressor 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 2 auto mode setting stop heating Setting range 20 40 C Default values 20 stop additional heat Setting range 20 40 C Default values 15 filtering time Setting range 0 48h Default value 24 h When 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 out door 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 0 the present outdoor temperature is used Cx Caution It cannot be set stop additional heat higher than stop heating Menu 4 9 4 factory setting user All settings tha
97. tton The help text often consists of several windows that you can scroll between using the control knob 8 Control Menus Menu 1 INDOOR CLIMATE 1 INDOOR CLIMATE 1 1 temperature 1 2 ventilation 1 3 scheduling 1 9 advanced Sub menus For the menu 5 there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Setting the temperature for the climate system The status information shows the set values for the climate system Setting the fan speed The status information 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 Setting of heat curve adjusting with external contact minimum value for supply temperature room sensor and night cooling Menu 1 1 temperature If the house has several climate systems this is indicated on the display by a thermometer for each system Set the temperature with room sensors installed and activated Setting range 5 30 C Default value 20 The value in the display appears as a temperature in C if the heating system is controlled by a room sensor To change the room tem
98. u 30 36 Operation 35 Scroll through the windows 36 Selecting menu 35 Selecting options 35 Setting a value 36 Miniature circuit breaker 19 O OK button 33 Operation 35 Optional connections 25 Outdoor sensor 22 P Pipe and ventilation connections 14 Adjusting ventilation 18 Cold and hot water 16 Connecting cold and hot water 16 Connecting the climate system 16 Dimensions and pipe connections 15 Exhaust air duct 18 General pipe connections 14 General ventilation connection 18 Heating medium side 16 Installation alternative 17 Maximum boiler and radiator volumes 14 Pipe dimensions 15 Setting out dimensions 15 Symbol key 16 System diagram 14 Ventilation flow 18 Pipe dimensions 15 Possible selection for AUX inputs 26 Possible selection for AUX output potential free variable relay 27 Post adjustment and bleeding Pump capacity diagrams heating medium side 32 Power connection 21 Preparations 29 Pump capacity diagrams heating medium side 32 R Removing parts of the insulation 9 Removing the cover base board 20 Removing the cover immersion heater circuit board 20 Removing the covers 9 Removing the hatch input circuit board 20 Room sensor 23 S Safety information 2 Contact information 7 Handling 2 Inspection of the installation 6 Marking 2 Safety precautions 2 Serial number 5 Symbols 2 Safety precautions 2 Collection 5 Decommissioning 4 Filling 4 Leak testing
99. uts on the input circuit board AA3 707168 Total reset of all settings including settings available to the user to default values 1954 19 Forced control of the different compon ents in the heat pump Claw Manual start of the start guide which is run the first time the heat pump is started iad Quick starting the compressor NIBE F370 Accessory needed 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 Chapter 8 Control Menus 50 Menu 5 1 1 hot water settings economy Setting range start temp economy 15 52 C Factory setting start temp economy 45 C Setting range stop temp economy 15 55 C Factory setting stop temp economy 51 C normal Setting range start temp normal 15 52 C Factory setting start temp normal 49 C Setting range stop temp normal 15 55 C Factory setting stop temp normal 55 C luxury Setting range start temp lux 15 62 C Factory setting start temp lux 52 C Setting range stop temp lux 15 65 C Factory setting stop temp lux 58 C stop temp per increase Setting range 55 70 C Default values 60 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
100. week start by filling in all and then changing the desired days Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for Chapter 8 Control Menus EF Caution Long term blocking can cause reduced comfort and operating economy NIBE F370 U Menu 5 SERVICE 5 SERVICE 5 2 system settings 5 3 accessory settings 5 4 soft in outputs 5 1 operating settings Overview 5 1 1 hot water settings 5 1 2 max flow line temperature 5 1 4 alarm actions 5 1 5 fan sp exhaust air 5 1 12 internal electrical addition 5 1 13 max inst el pwr BBR 5 1 99 other settings 5 3 3 extra climate system 5 3 5 sms 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 Hold the Back button in for 7 seconds to access the Ser Vice menu Sub menus Menu 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 Operating settings for the heat pump S ES System settings for the heat pump ac tivating accessories etc 2 88 5516 6721 14 1416 Operational settings for different ac cessories Setting software controlled in and out p
101. xhaust air and reduce the fan speed to 0 NOTE Select operating mode auto manual when the heat pump is to run on recovery again Chapter 6 Commissioning and adjusting 31 32 Setting the pump speed The speed of the circulation pump GP1 is set using the switch GP1 SF4 on the pump so that it achieves the projected flow for the house F370 copper GP1 SF4 Capacity circulation pump Pressure kPa 60 30 20 0 0 05 0 11 0 16 022 0 27 0 33 0 38 0 44 Flow I s Output circulation pump Power output W 100 90 KN II 80 70 50 40 30 20 10 0 0 0 05 0 11 0 16 0 22 0 27 0 33 0 38 0 44 Flow I s F370 enamel and stainless steel Set the speed on the heating medium pump GP1 using the switch GP1 SF4 on the pump Select speed ll or lll You see the speed selected on the left above the switch The display to the right above the switch must not be illuminated at all Chapter 6 Con GP1 SF4 Capacity circulation pump Pressure kPa 60 50 40 30 20 ee Flow 1 5 Output circulation pump Power output W 50 45 40 35 30 25 0 0 05 0 11 0 16 0 22 0 27 0 33 0 38 Flow 1 5 Post adjustment venting Air is initiall
102. y 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 require additional venting Vent the heat pump through venting valve OM21 When venting F370 must be off 7 Control Introduction Display Status lamp OK button Back button Control knob Switch Display Instructions settings and operational information are shown on the display The easy to read dis play and menu system facilitates navigation between the different menus and options to set the comfort or obtain the information you re quire 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 Back button The back button is used to go back to the previous menu change a setting that has not been con firmed 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 Switch SF1 The switch assumes three positions On 1 Standby Emergency mode AN see page 53 Emerg

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