User manual
Contents
1. Safety valve for water heater F370 enamel Safety valve for climate system Safety valve for water heater 22 Chapter 2 The heat pump the heart of the house NIBE F370 F370 stainless steel Safety valve for climate system Safety valve for water heater Chapter 2 The heat pump the heart of the house NIBE F370 23 Filling the climate system If the pressure is too low increase as follows 1 Open the filling valve The boiler section and the rest of the climate system are filled with water 2 After a while the pressure rises on the pressure gauge When it is approx 1 0 bar close the filler valve F370 copper Filler valve Pressure gauge Safety valve Venting valve F370 enamel Filler valve Pressure gauge Safety valve Venting valve 24 Chapter 2 The heat pump the heart of the house NIBE F370 F370 stainless steel Filler valve Pressure gauge Safety valve Venting valve Venting the climate system In event of repeated filling of the climate system or if bubbling sounds are heard from the heat pump the system may need venting This is carried out as follows 1 Turn off the power supply to the heat pump 2 Vent the heat pump via the vent valve and the rest of the climate system via the relevant vent valves 3 Keep topping up and venting until all air has been removed and the pressure is correct NOTE2. 0 Jan Feb Mar April May June July Aug Sep Oct Nov Dec Month Increasing the indoor temperature one degree increases power consumption by approx 5 Domestic electricity In the past it has been calculated that an average Swedish household uses approx 5000 kWh domestic electricity year In today s society it is usually between 6000 12 000 kWh year Equipment Normal Output W Approx imate annual con sump tion kWh Operation Standby Flat screen Operation 5 h day Standby 19 200 2 380 h day Digital box Operation 5 h day Standby 19 11 10 90 h day DVD Operation 2 h week 15 5 45 ITV games console Operation 6 h week 160 2 67 Radio stereo Operation 3 h day 40 1 50 Computer incl screen Operation 3 h day 100 2 120 standby 21 h day Bulb Operation 8 h day 60 175 Chapter 2 The heat pump the heart of the house NIBE F370 Equipment Normal Output W Approx imate annual con sump tion kWh Spot light Halogen Operation 8 h day Cooler Operation 24 h day 100 165 Freezer Operation 24 h day 120 380 Oven hob Operation 40 min day 1500 365 Oven Operation 2 h week 3000 310 Dishwasher cold water connection Operation 2000 730 1 time day Washing machine Operation 1 time day 2000 730 Tumble drier Operation 1 time day 2000 730 Vacuum cleaner Operation 2 h week 1000 100 Engine block heater
3. Chapter 3 F370 at your service NIBE F370 Supply temperature Ow line temperatu re maxi m E um and minimum values D Because the flow line temperature Maximum value cannot be calculated higher than the set maximum value or lower than the o set minimum value the heating curve 30 O flattens out at these temperatures 50 10 0 10 20 30 40 C Outdoor temperature Caution Underfloor heating systems are normally between 35 and 45 C 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 0 is an own heating curve created in menu 1 9 7 To select another heat curve slope NOTE 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 selection has been confirmed the heat curve number is marked 3 Press the OK button to access the setting mode 4 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 temperature Heating curve 0 means that menu 1 9 7 is used Chapter 3 F370 at your service NIBE F370 41
4. 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 is opened Chapter 2 The heat pump the heart of the house NIBE F370 25 Helping the circulation pump to start A NOTE Manual start help is only possible for F370 with copper corrosion protection 1 Shut off F370 by setting the switch to O Open the front cover Open the service hatch Pains Ist Loosen the venting screw with a screwdriver Hold a cloth around the screwdriver blade as a small amount of water may run out Insert a screwdriver and turn the pump motor around Du Screw in the venting screw 7 Start F370 by setting the switch to I and check whether the circulation pump works It is usually easier to start the circulation pump with F370 running switch set to I Helping the circulation pump to start is performed with F370 running be prepared for the screwdriver to jerk when the pump starts Venting screw 26 Chapter 2 The heat pump the heart of the house NIBE F370 Saving tips Your heat pump installation produces heat and hot water This occurs via the control settings you made Factors that affect the energy consumption are for example indoor temper ature hot water consumption the insulation level of the house and whether the house has many large window surfaces The position of the house e
5. 12 Status lamp 11 Switch 12 Disturbances in comfort 71 Manage alarm 71 Troubleshooting 73 E External information 10 Information window 10 Status lamp 10 F F370 An excellent choice 7 F370 at your service 31 Adjust the heat pump 61 Get information 56 Set the hot water capacity 50 Set the indoor climate 31 G Get information 56 Glossary 77 H Heat pump function 9 Helping the circulation pump to start 26 Help menu 18 Chapter 7 Item register I Important information 2 Contact information 5 F370 An excellent choice 7 Installation data 2 Serial number 4 Information window 10 Installation data 2 M Maintenance of F370 19 Regular checks 19 Saving tips 27 Manage alarm 71 Menu system 13 Help menu 18 Operation 15 Scroll through the windows 18 Selecting menu 15 Selecting options 16 Setting a value 17 0 OK button 12 Operation 15 P Power consumption 28 R Regular checks 19 S Saving tips 27 Power consumption 28 Scroll through the windows 18 Selecting menu 15 Selecting options 16 Serial number 4 Service actions Helping the circulation pump to start 26 Set the hot water capacity 50 Set the indoor climate 31 Setting a value 17 Status lamp 10 11 Switch 12 NIBE F370 81 82 T Technical data 76 The heat pump the heart of the house 8 Troubleshooting 73 Chapter 7 Item register NIBE F370 Chapter 7 NIB
6. simplify finding the fault source See page 57 for more information about menu 3 1 Manage alarm ir an 04 oe Low pressure alarm info action reset alarm 0 aid mode In the event of an alarm some kind of malfunction has occurred which is indicated by the status lamp changing from green continuously to red con tinuously In addition an alarm bell appears in the information window Alarm In the event of an alarm with a red status lamp a malfunction has occurred that the heat pump cannot remedy itself In the display by turning the control knob and pressing the OK button you can see the type of alarm it is and reset it You can also choose to set the heat pump to aid mode info action Here you can read what the alarm means and receive tips on what you can do to correct the problem that caused the alarm Chapter 4 72 reset alarm In most cases it is enough to select reset alarm to correct the problem that caused the alarm If a green light illuminates after selecting reset alarm the alarm has been remedied If a red light is still visible and a menu called alarm is visible in the display the problem that caused the alarm remains If the alarm disappears and then returns contact your installer 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 compresso
7. 1 Mark the value you want to set using the control knob 2 Press the OK button The background of the value becomes green which means that you have accessed the setting mode 3 Turn the control knob to the right to increase 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 Chapter 2 o d oa b 4 17 18 Scroll through the windows A menu can consist of several windows Turn the control knob to scroll between the windows Z 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 Help menu gm In many menus there is a symbol that indicates that extra help is avail Ed able 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 Chapter 2 Maintenance of F370 Regular checks Your heat pump requires minimal maintenance after commissioning On the other hand it is recommended that you check your installation regularly If something unusual occurs messages abou
8. No changes can be made The information is on several pages Turn the control knob to scroll between the pages add heat info add heat info 3 3 status time factor Information about the additional heat settings operating status and statistics can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Chapter 3 Menu 3 4 alarm log alarr TB alarm LP alarm Sensor flt BT6 Sens flt BT20 Sensor flt BT2 Sensor flt BT1 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 alarm log 3 4 Temperature limiter alarm 52 outdoor temp heat medium flow heat medium return hot water charging condenser out operating time op mode Information about an alarm Chapter 3 F3 59 Menu 35 60 indoor temp log indoor temp log 3 5 exhaust air C 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 wi
9. Operation 1 h day 4 400 50 months a year Passenger compartment heater Operation 1 800 100 h day 4 months a year These values are approximate example values Example A family with 2 children live in a house with 1 flat screen TV 1 di gital box 1 DVD player 1 TV games console 2 computers 3 stereos 2 bulbs in the WC 2 bulbs in the bathroom 4 bulbs in the kitchen 3 bulbs outside a washing machine tumble drier fridge freezer oven vacuum cleaner en gine block heater 6240 kWh domestic electricity year Energy meter Check the accommodation s energy meter regularly preferably once a month This will indicate any changes in power consumption Newly built houses usually have twin energy meters use the difference to calculate your domestic electricity New builds Newly built houses undergo a drying out process for a year The house can then consume significantly more energy than it would thereafter After 1 2 years the heating curve should be adjusted again as well as the heating curve Chapter 2 The heat pump the heart of the house NIBE F370 29 offset and the building s thermostat valves because the heating system as a rule requires a lower temperature once the drying process is complete 30 Chapter 2 The heat pump the heart of the house NIBE F370 F370 at your service Set the indoor climate Overview INDOOR CLIMATE 1 temperature AN
10. and the status lamp illuminates yellow Chapter 2 The heat pump the heart of the house NIBE F370 Menu 1 enu 2 Menu 3 Menu 4 Menu system When the door to the heat pump is opened the menu system s four main menus are shown in the display as well as certain basic information Outdoor temperature Indoor temperature if room sensors are installed Hot water temp Information about operation HEAT PUMP Temporary lux if Estimated amount of activated hot water INDOOR CLIMATE Setting and scheduling the indoor climate See page 31 HOT WATER Setting and scheduling hot water production See page 50 INFO Display of temperature and other operating information and access to the alarm log See page 56 HEAT PUMP Setting time date language display operating mode etc See page 61 Chapter 2 13 14 Symbols in the display The following symbols can appear in the display during operation Symbol Description This symbol appears by the information sign if there is informa tion in menu 3 1 that you should note vo These two symbols indicate whether the compressor or addition is blocked in F370 These can for example be blocked depending on which oper ating 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 T Blocking the compressor EA Blocking additional heat This symbol appears if lux
11. comfortable climate Simple troubleshooting In the event of a fault the heat pump display shows what happened and the actions to be taken Chapter 1 Important information NIBE F370 7 2 The heat pump the heart of the house Heating medium Refrigerant Brine Condenser Expansion valve Heat source The temperatures are only examples and may vary between different installations and time of year Chapter 2 The heat pump the heart of the house NIBE F370 Heat pump function A exhaust air heat pump uses the heat that is in the building s ventilation air to heat up the accommodation The conversion of the ventilation air s energy to accommodation heating occurs in three different circuits From the outgoing ventilation air 1 free heating energy is retrieved from the accommodation and transported to the heat pump In the refrigerant circuit 2 the heat pump increases the retrieved heat s low temperature to a high temperature In the heating medium circuit 3 the heat is distributed around the house Ventilation air The hot air is transferred from the rooms to the heat pump via the house ventil ation system The fan then routes the air to the heat pump s evaporator Here the air releases the heating energy to the brine and the air s temperature drops significantly The cold air is then blown out of the house Refrigerant circuit Another liquid circulates in a closed system in
12. here TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days 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 A significant change over a longer period of time may cause poor indoor environment and worse operating economy advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Setting the heating curve slope Setting the heat curve offset when the external contact is connected 8 Setting minimum permitted flow line temperature Chapter 3 Menu 1 9 1 Settings regarding the room sensor Fan return time settings in the event of temporary ventilation speed change Setting own heat curve Setting the offset of the heating curve at a specific outdoor temperature heating curve system W W G flow temperature C outdoor temp C heating curve Setting range 0 15 Default value 9 In the menu the so called heating curve for your house can be viewed The task of the heating curve is to give an even indoor temperat ure regardless of the outdoor temperature and thereby energy efficient operation It is from this heating curve that the heat pump s control computer determines the temperature of the water to the heating system
13. in comfort Info menu Manage alarm Troubleshooting Technical data Glossary Item register Table of Contents 19 31 31 50 56 61 71 71 71 73 76 77 81 2 1 Important information Installation data Serial number Installation date Installer v Accessories temperature heating 0 Extra shunt ECS 40 41 curve offset 1 9 1 heating curve curve 9 Room unit RMU 40 slope 1 9 3 min flow line temp 20 Communications module SMS 40 5 1 5 ventilation 50 District heating mod fan speed normal ule FJVM 220 mode Serial number must always be given Certification that the installation is carried out according to instructions in NIBE s installer manual and applicable regulations Date Signed Chapter 1 Important information NIBE F370 Safety information This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appli ance Rights to make any design or technical modifications are reserved NIBE 2010 Symbols NOTE This symbol indicates danger to machine or person Caution This
14. symbol indicates important information about what you should observe when maintaining your installation TIP This symbol indicates tips on 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 regula tions that are placed on it based on relevant 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 equivalent to 12 5 mm cannot penetrate and cause damage and that the product is protected against vertically falling drops Chapter 1 Important information NIBE F370 3 Serial number The serial number can be found at the bottom right of the front cover and in the info menu menu 3 1 h i Serial number Caution Always give the product s serial number when reporting a fault Chapter 1 Important information NIBE F370 Contact information AT KNV Energietechnik GmbH Gahberggasse 11 4861 Sch rfling Tel 43 0 7662 8963 0 Fax 43 0 7662 8963 44 E mail mail knv at www knv at CH NIBE 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
15. the heat pump a refrigerant which also passes the evaporator The refrigerant has a very low boiling point In the evaporator the refrigerant receives the heat energy from the ventilation air and starts to boil The gas that is produced during boiling is routed into an electrically powered compressor When the gas is compressed the pressure increases and the gas s temperature increases considerably from 5 C to approx 80 C From the compressor gas is forced into a heat exchanger condenser where it releases heat energy to the heat pump boiler section whereupon the gas is cooled and condenses to a liquid form again As the pressure is still high the refrigerant can pass an expansion valve where the pressure drops so that the refrigerant returns to its original temperature The refrigerant has now completed a full cycle It is routed to the evaporator again and the process is repeated Heat medium circuit The heat energy that the refrigerant produces in the condenser is retrieved by the climate system s water heating medium which is heated to 35 C supply temperature The hot water circulates in a closed system and is pumped out to the radiators heat ing coils of the house The heat pump s integrated hot water heater is in the boiler section The hot boiler water heats the hot water The temperatures are only examples and may vary between different installations and time of year Chapter 2 The heat pump the heart of the
16. ventilation normal scheduling off advanced Sub menus For the menu N Dele Well Wis there are several sub menus Status inform ation 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 in formation shows the set values for the climate system Setting the fan speed The status information shows the selected setting ISSM 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 and room sensor Chapter 3 31 Menu 1 1 32 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 temperature use the control knob to set the desired temperature in the display Confirm the new setting by pressing the OK but ton The new temperature is shown on the right
17. 5 Press the OK button to exit the setting To read off a heating curve 1 Turn the control knob so that the ring on the shaft with the outdoor temperature is marked 2 Press the OK button 3 Follow the grey line up to the heat curve and out to the left to read off the value for the supply temperature at the selected outdoor temperature 4 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 corres ponding flow temperature 5 Press the OK or Back button to exit read off mode ys Q 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 increment If it is cold outdoors and the room temperature is too high lower the curve slope by one increment If it is warm outdoors and the room temperature is too low increase the curve offset by one increment If it is warm outdoors and the room temperature is too high lower the curve offset by one increment 42 Chapter 3 F370 at your service NIBE F370 Menu external adjustment 1 9 2 climate system 1 climate system 2 climate system 3 climate system 4 climate system Setting range 10 to 10 or desired room temperature if the room sensor is installed Default value 0 Connecting an external contact for example a room thermostat or a
18. Additional heaters can be for example immersion heater electric heater gas oil pellet wood burner or district heating Calculated flow line temperature The temperature that the heat pump calculates that the heating system re quires for an optimum accommodation temperature The colder the outdoor temperature the higher the calculated supply temperature Circulation pump Pump that circulates liquid in a pipe system Climate system The climate system can also be called the heating and or cooling system The building is cooled or heated using radiators under floor coils or convector fans Compressor Compresses the gas state refrigerant When the refrigerant is compressed the pressure and the temperature increase Condenser Heat exchanger where the hot gas state refrigerant condenses cooled and becomes a liquid and releases heat energy to the house heating and hot water systems Disturbances in comfort Disturbances in comfort are undesirable changes to the hot water indoor comfort for example when the temperature of the hot water is too low or if the indoor temperature is not at the desired level A malfunction in the heat pump can sometimes be noticed in the form of a disturbance in comfort In most cases the heat pump notes operational interference and indicates this with alarms and shows instructions in the display Chapter 6 Glossary NIBE F370 77 78 Domestic hot water The water one showers in for examp
19. Chapter 2 The heat pump the heart of the house NIBE F370 Check pressure F370 has a pressure gauge which shows the heating system pressure The pressure should be between 0 5 and 1 5 bar but varies during temperature changes If the pressure drops to 0 or rises to 2 5 frequently contact your installer for troubleshooting Pressure gauge Safety valves F370 has two safety valves one for the hot water heater and one for the cli mate system The water heater s safety valve sometimes releases a little water after hot water usage This is because the cold water which enters the water heater to replace the hot water expands when heated causing the pressure to rise and the safety valve to open The climate system s safety valve must be completely sealed and not release any water The function of the safety valves must be checked regularly The valves are accessed via the service hatch Perform checks as follows 1 Open the valve by turning the knob anti clockwise carefully 2 Check that water flows through the valve 3 Close the valve by releasing it If it does not close automatically when released turn it anti clockwise slightly 4 The climate system may need to be refilled after checking the safety valve see the section Filling the climate system Chapter 2 The heat pump the heart of the house NIBE F370 21 F370 copper Safety valve for climate system
20. Default values 15 stop additional heat Setting range 20 40 C Default values 5 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 outdoor temperature Select the average outdoor temperatures in this menu You can also set the time over which filtering time the average temperature is calculated If you select 0 the present outdoor temperature is used Caution It cannot be set stop additional heat higher than stop heating Chapter 3 67 Menu factory setting user 4 9 4 Do you want to reset all user settings to factory settings All settings that are available to the user including advanced menus can be reset to default values here CF Caution After factory setting personal settings such as heating curves ventilation etc must be reset 68 Chapter 3 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 14 00 Conflict Day Time period Blocking Schedule The period to be changed is selected here Activated Scheduling for t
21. E F370 3 84 Chapter 7 NIBE F370 NIBE AB Sweden Jarnvagsgatan 40 Box 14 SE 285 21 Markaryd info nibe se www nibe eu 031497
22. at the period extends past midnight Scheduling 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 combination 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 addition is permitted to intervene When the compressor is blocked heat is not recovered from the exhaust air ventilation Increases or decreases in the ventilation to the accommodation 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 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 particular day the time for that day must be Chapter 3 F370 at your service Menu 1 9 38 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
23. compressor info runs add heat info off alarm log a indoor temp log Sub menus For the menu NIKO 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 CSSS shows operating times number of starts etc for the com pressor displays information about the addition s operating times etc displays the latest alarm and information about the heat pump when the alarm occurred MECA the average temperature indoors week by week during the past year Chapter 3 Menu 3 1 service info status internal add set max electrical add fuse size current L1 current L2 current L3 Information about the heat pump s actual operating status e g current temperatures etc can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Symbols in this menu Compressor Heating J Addition Py Hot water ba Ventilation Chapter 3 57 Menu 3 2 Menu 3 3 58 compressor info compressor info 3 2 status initiating number of starts 214 total operating time hrs of which hot water hrs time factor of which hot water Information about the compressor s operating status and statistics can be obtained here
24. crement for under floor 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 If it is cold in the house at for example 2 C outdoor temp point is set to 2 and change in curve is increased until the desired room temperat ure is maintained Chapter 3 CP Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise Chapter 3 F370 at your service NIBE F370 49 50 Set the hot water capacity Overview HOT WATER 2 temporary lux off AN comfort mode economy scheduling active advanced Sub menus For the menu IROA there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus ITM TENN Activation of temporary increase in the hot water temperature Status information displays off or what length of time of the temporary temperature increase remains Setting hot water comfort The status information displays what mode is selected economy normal or luxury SNR Scheduling hot water comfort Status information 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 Sett
25. cz www nibe cz DE NIBE Systemtechnik GmbH Am Reiherpfahl 3 29223 Celle Tel 05141 7546 0 Fax 05141 7546 99 E mail info nibe de www nibe de DK V lund Varmeteknik A S Member of the Nibe Group Brogardsvej 7 6920 Videbaek Tel 97 17 20 33 Fax 97 17 29 33 E mail info volundvt dk www volund vt dk FI NIBE Haato OY Valimotie 27 01510 Vantaa Puh 09 274 697 O Fax 09 274 697 40 E mail info haato com www nibe fi GB NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield S41 9QG Tel 0845 095 1200 Fax 0845 095 1201 E mail info nibe co uk www nibe co uk NL NIBE Energietechniek B V Postbus 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 nibeenergysys tems no PL NIBE BIAWAR Sp 2 o o Aleja Jana Pawla ll 57 15 703 BIA YSTOK Tel 085 662 84 90 Fax 085 662 84 14 E mail sekretariatGbiawar com pl www biawar com pl RU EVAN 17 per Boynovskiy Nizhny Novgorod Tel fax 7 831 419 57 06 E mail info evan ru www nibe evan ru SE NIBE AB Sweden Box 14 Jarnvagsgatan 40 SE 285 21 Markaryd Tel 46 0 433 73 000 Fax 46 0 433 73 190 E mail info nibe se www nibe se Chapter 1 Important information NIBE F370 5 For countries not mention in this list please contact Nibe Sweden or check www nibe eu for mor
26. d WIER User manual NIBE F370 Exhaust air heat pump AHB GB 1034 1 031497 Navigation e 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 11 How to scroll through menus and make different settings is described on page 15 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 32 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 51 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 73 for instructions Set the indoor climate Increase hot water volume 1 fo 9 Table of Contents 1 Important information Installation data Safety information Serial number Contact information F370 An excellent choice The heat pump the heart of the house Heat pump function On um P D kA N Contact with F370 Maintenance of F370 F370 at your service Set the indoor climate Set the hot water capacity Get information Adjust the heat pump Disturbances
27. e information Chapter 1 Important information NIBE F370 F370 An excellent choice F370 is part of a new generation of heat pumps which have been introduced to supply your home with inexpensive and environmentally friendly heating Heat production is safe and economical with integrated hot water heater immersion heater circulation pump and control system The heat pump can be connected to an optional low temperature heat distri bution system e g radiators convectors or under floor heating It is also prepared for connection to several different products and accessories e g extra water heater and climate systems with different temperatures F370 is equipped with a control computer for good comfort good economy and safe operation Clear information about status operation time and all temperatures in the heat pump are shown on the large and easy to read display This means for example that external unit thermometers are not necessary Excellent properties for F370 Integrated water heater There is a water heater integrated in the heat pump which is insulated with environmentally friendly cellular plastic for minimal heat loss Scheduling the indoor comfort and hot water Heating and hot water as well as ventilation can be scheduled for each day of the week or for longer periods vacation Large display with user instructions The heat pump has a large display with easy to understand menus that facilitate setting a
28. ed by the difference between the desired 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 3 45 Menu fan return time 1 9 6 speed 1 4 Setting range 1 99h Default value 4 h Here you select the return time for temporary speed change speed 1 4 on the ventilation in menu 1 2 Return time is the time it takes before ventilation speed returns to normal 46 Chapter 3 Menu Own curve 1 9 7 flow line temp at 30 C flow line temp at 20 C flow line temp at 10 C flow line temp at 0 C flow line temp at 10 C flow line temp at 20 C supply temperature Setting range 15 70 C You can create your own heating curve here if there are special requirements by setting the desired supply temperatures for different outdoor temperatures LF Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply Chapter 3 Menu 1 9 8 48 point offset outdoor temp point change in curve flow temperature C outdoor temp C outdoor temp point Setting range 40 30 C Default value 0 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 temperature requires one in
29. ed to heat hot water which may increase operating costs NOTE In lux mode the heat pump prioritises hot water before room heating scheduling what hot water comfort the heat pump is to work with can be scheduled here for up to two different time periods per day Scheduling is activated deactivated by ticking unticking activated Set times are not affected at deactivation If two settings conflict with each other a red exclamation mark is displayed Chapter 3 Activated Schedule g activated 0100 0015 normal 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 particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting Set the hot water comfort that is to apply during scheduling here TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Caution If the stop time is before the start time it means that the period extends past midnight Scheduling a
30. emperature is too high reduce the value in menu 1 1 by one increment Chapter 3 F370 at your service NIBE F370 33 Menu ventilation 1 2 ventilation 1 2 normal 50 speed 1 0 speed 2 40 speed 3 80 O speed 4 100 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 SAV TIP Q If longer time changes are required use the holiday function or scheduling 34 Chapter 3 Menu 1 3 Menu 130 scheduling scheduling 1 3 heating ventilation In the menu 866 indoor climate heating ventilation is scheduled for each weekday You can also schedule a longer period during a selected period vacation in menu 4 7 heating Increases or decreases in the accommodation temperature can be scheduled here for up to three time periods 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 Aone degree change in room temperature requires one increment fo
31. flow line temperature and therefore the indoor temperature You can select heating Chapter 3 39 curve and read off how the flow line temperature changes at different outdoor temperatures here Supply temperature Cu rve co efficient 2 Steeper curve slope The slope of the heating curve indic 60 ae ates how many degrees the supply temperature is to be increased re duced when the outdoor temperature drops increases A steeper slope means a higher supply temperature at a certain outdoor temperature 50 40 30 10 0 10 20 30 40 C Outdoor temperature The optimum slope depends on the climate conditions in your location if the house has radiators or under 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 ature f Supply temperature C rve offset C a Offset heating curve An offset of the heating curve means 60 6 that the supply temperature changes as much for all the outdoor temperat ures e g that a curve offset of 2 steps increases the supply temperat ure by 5 C at all outdoor temperat Ee ures 10 0 10 20 30 40 C Outdoor temperature 50 40 30
32. g wind exposure is also an affecting factor Even the house ventilation affects the energy consumption It is therefore important to perform a ventilation adjustment shortly after installing the heat pump At ventilation adjustment a ventilation technician sets the house ventilation device and the fan in F370 according to the projected values of the house Also remember During the adjustment period winter time all thermostat valves should be fully open The heat pump s heating settings are then adjusted so that the correct indoor temperature is obtained in most rooms regardless of the outdoor temperature In rooms where a lower temperature is required the thermostat valves are lowered to the desired level After a few months the remaining thermostats can be lowered slightly to avoid an increase of the room temperature due to solar radiation stove heat etc Further reductions may be required later on You can lower the temperature when away from the house by scheduling holiday setting in menu 4 7 See page 65 for instructions You can reduce the ventilation speed when you are away by scheduling in menu 1 3 3 See page 37 for instructions f you activate Hot water Economy less energy is used Chapter 2 The heat pump the heart of the house NIBE F370 27 28 Power consumption of annual F370 s approximate consumption energy consumption spread across the year 25 20 15 10 5
33. hand side of the symbol in the display Setting the temperature without room sensors activated Setting range 10 to 10 Default value 0 The display shows the set values for heating curve offset To increase or re duce 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 Chapter 3 F370 at your service The number of steps the value has to be changed to achieve a degree change of the indoor temperature depends on the heating unit One step for under floor heating whilst radiators may require three Setting the desired value The new value is shown on the right hand side of the symbol in the display Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermostat valves fully except in those rooms where a cooler temperature is required e g bedrooms TIP 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 t
34. he 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 particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Blocking The desired blocking is selected here T Blocking the compressor Fa Blocking additional heat Chapter 3 F370 at your service NIBE F370 69 AL 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 CF 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 CF Caution Long term blocking can cause reduced comfort and operating economy 70 Chapter 3 F370 at your service NIBE F370 4 Disturbances in comfort In most cases the heat pump notes operational interference operational in terference can lead to disturbance in comfort and indicates this with alarms and shows action instructions in the display Info menu 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
35. heat only 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 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 permitted 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 Chapter 3 Menu 4 3 Operating mode add heat only Caution If you choose mode 800 heat only the compressor is deselected and there is a higher operating 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 accom modation If compressor is deselected a symbol in the main menu on the heat pump symbol i
36. house NIBE F370 Contact with F370 External information When the heat pump door is closed information can be received via an in formation window and a status lamp Status lamp Information window The information window shows part of the display that is on the display unit located behind the door to the heat pump The information window can display different type of information e g temperatures clock etc You determine what is to be displayed in the information window Your own combination of information is entered using the display unit This information is specific to the information window and disappears when the heat pump door is opened Instructions on how to set the information window can be found on page 63 Status lamp The status lamp indicates the status of the heat pump continuous green light during normal function continuous yellow light during activated emergency mode or continuous red light in the event of a deployed alarm Alarm management is described on page 71 10 Chapter 2 The heat pump the heart of the house NIBE F370 Display unit Display B status lamp C OK button D Back button Control knob F switch There is a display unit behind the heat pump door which is used to commu nicate with F370 Here you switch on switch off or set the heat pump in emergency mode sets the indoor climate and hot water as well as adjusts the heat pump
37. ing periodic increase in the hot water temperature Chapter 3 Menu 21 temporary lux temporary lux 2 1 Setting range 3 6 and 12 hours and mode off Default value off When hot water requirement has temporarily increased this menu can be used to select an increase in the hot water temperature to lux mode for a selectable time Caution If comfort mode luxury is selected in menu 2 2 no further increase can be carried out The function is activated immediately when a time period is selected and confirmed using the OK button The 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 Chapter 3 51 Menu 2 2 Menu 2 3 52 comfort mode comfort mode 2 2 economy JE normal luxury Setting range economy normal luxury Default value normal The difference between the selectable modes is the temperature of the hot tap water Higher temperature means that the hot water lasts longer economy This mode gives less hot water than the other but is more eco nomical 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 us
38. le Electrical addition This is the electricity that for example an immersion heater produces when the compressor s output is not sufficient to fulfil the property s heating de mand Emergency mode A mode that can be selected using the switch in the event of a fault which means that the compressor stops When the heat pump is in emergency mode the building and or hot water is heated using an immersion heater Evaporator Heat exchanger where the refrigerant evaporates by retrieving heat energy from the air which then cools Exhaust air The air that comes from the exhaust air device in the various rooms of the accommodation to F370 Exhaust air devices Vents usually in the ceiling in the kitchen bathroom clothes closet where the air is drawn in to be forwarded to F370 Expansion valve Valve that reduces the pressure of the refrigerant whereupon the temperature of the refrigerant drops Expansion vessel Vessel with heating medium fluid with the task of equalising the pressure in the heating medium system Extract air The air that the heat pump has retrieved heat from and which has therefore been cooled This air is blown out of the building Chapter 6 Glossary NIBE F370 Flow pipe The line in which the heated water is transported from the heat pump out to the house heating system radiators heating coils Heat exchanger Device that transfers heat energy from one medium to another without mixing mediums Hea
39. lways starts on the date that the start time is set for Chapter 3 53 Menu 2 9 Menu 2 9 1 54 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus periodic increases activated period start time Next periodic increase 06 3 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 Chapter 3 Menu 2 9 2 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 hot water recirc operating time downtime period 1 period 2 period 3 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 settings above operating time decide how long the hot water circulation pump must run per operating instance downtime decide how long the hot water circulation pump must be sta tionary between operating instances Chapter 3 55 56 Get information Overview INFO 3 service info AN
40. mode for the hot water is activated This symbol indicates the actual speed of the fan if the speed has changed from the normal setting Hz ES This symbol indicates whether holiday setting is activated in menu 4 7 Chapter 2 The heat pump the heart of the house NIBE F370 Menu number marked Name and menu number sub menu main menu Symbol INDOOR CLIMATE HOT WATER mam menu 4 VW temperature ventilation scheduling advanced HEAT PUMP Marked main menu Symbols sub menus Name sub menus Status information 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 Chapter 2 15 Selecting options comfort mode 2 2 economy JR J normal _ luxu Alternative In an options menu the current selected option is indicated by a green NM tick To select another option 1 Mark the applicable option One of the options is pre selected J white 2 Press the OK button to confirm the selected option The selected 6 option has a green tick 8 16 Chapter 2 Setting a value Values to be changed To set a value
41. op up the water in the heating system Low ora lack of ventilation Filter blocked m Clean or replace filter see page 20 Exhaust air device blocked or throttled down too much m Check and clean the exhaust air devices see page 20 Fan speed in reduced mode Enter menu 1 2 and select normal External switch for changing the fan speed activated Check any external switches Chapter 4 Disturbances in comfort NIBE F370 High or distracting ventilation The ventilation is not adjusted m Order ventilation adjustment Fan speed in forced mode m Enter menu 1 2 and select normal External switch for changing the fan speed activated m Check any external switches Filter blocked Clean or replace the filter The compressor does not start There is no heating requirement m The heat pump does not call on heating nor hot water The heat pump defrosts Minimum time between compressor starts has not been reached Wait 30 minutes and check if the compressor has started Alarm tripped m Follow the display instructions Chapter 4 Disturbances in comfort NIBE F370 75 5 Technical data Detailed technical specifications for this product can be found in the installa tion manual www nibe eu 76 Chapter 5 Technical data NIBE F370 6 Glossary Additional heat The additional heat is the heat produced in addition to the heat supplied by the compressor in your heat pump
42. r is not running In this case the immersion heater produces heat and or hot water Selecting aid mode is not the same as correcting the problem that caused the alarm The status lamp will therefore continue to be red If the alarm does not reset contact your installer for suitable remedial action NOTE Always gives the heat pump s serial number when contacting your installer Chapter 4 Disturbances in comfort NIBE F370 Troubleshooting If the operational interference is not shown in the display the following tips can be used Basic actions Start by checking the following possible fault sources The switch s position Group and main fuses of the accommodation The property s earth circuit breaker Low hot water temperature or a lack of hot water Heat pump in incorrect operating mode m 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 Temporarily increased hot water capacity temporary lux can be activated in menu 2 1 Too low hot water setting m Enter menu 2 2 and select a higher comfort mode Closed or choked filling valve for the hot water heater m Open the valve Low room temperature Closed thermostats in several rooms m See the Saving tips section on page 27 and menu 1 1 on page 32 for more detailed info
43. r underfloor heating and approximately two to three increments for the radiator system If two settings conflict with each other a red exclamation mark is displayed at the end of the line Chapter 3 35 36 Activated Schedule System o activated system 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 selected here This altern ative is only displayed if more than one climate system is present Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting How much the heating curve is to be offset in relation to menu 1 1 during scheduling is set here If the rooms sensor is installed the desired room temperature is set in C TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Chapter 3 F370 at your service NIBE F370 Menu 13 3 Caution If the stop time is before the start time it means th
44. rmation about how to best set the thermostats Heat pump in incorrect operating mode m 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 curve If the room temperature is only low in cold weather the Chapter 4 Disturbances in comfort NIBE F370 3 74 curve slope in the menu 1 9 1 heating curve needs to be adjusted up comfort modeluxury selected in combination with large hot water outlet m 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 activated m Check any external switches Air in the heating system Vent the heating system Closed valves to the heating system m Open the valves High room temperature Too high set value on the automatic heating control m 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 activated m Check any external switches Low system pressure Not enough water in the heating system m T
45. s 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 accommodation You can deselect the function when you do not wish to have heating running Caution If you deselect addition it may mean that insufficient hot water and or heating in the accommodation is achieved my icons my icons 4 3 i outdoor indoor temperature hot water temperature analog clock digital clock Chapter 3 63 Menu 44 Menu 4 6 64 You can select what icon should be visible when the door to F370 is closed You can select up to 3 icons If you select more the ones you selected first will disappear The icons are displayed in the order you selected them time amp date time amp date 4 4 S 24 hrs Set time and date and display mode here language Choose the language that you want the information to be displayed in here Chapter 3 Menu 4 7 holiday setting e activated start date stop date heating hot water comfort 20 0 ventilation normal 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 set
46. stance that circulates around a closed circuit in the heat pump and that through pressure changes evaporates and condenses During evaporation the refrigerant absorbs heating energy and during condensing gives off heating energy Return pipe The line in which the water is transported back to the heat pump from the house heating system radiators heating coils Return temp The temperature of the water that returns to the heat pump after releasing the heat energy to the radiators heating coils Room sensor A sensor that is located indoors This sensor tells the heat pump how hot it is indoors Safety valve A valve that opens and releases a small amount of liquid if the pressure is too high Shunt A valve that mixes the hot water with a small amount of slightly cooler water There is a shunt in the heat pump that mixes the supply water with the return line water so that the heating system reaches the correct temperature Supply temperature The temperature of the heated water that the heat pump sends out to the heating system The colder the outdoor temperature the higher the supply line temperature becomes Chapter 6 Glossary NIBE F370 Item register A Adjust the heat pump 61 B Back button 12 6 Contact information 5 Contact with F370 10 Display unit 11 External information 10 Menu system 13 Control knob 12 D Display 11 Display unit 11 Back button 12 Control knob 12 Display 11 OK button
47. t factor Measurement of how much heat energy the heat pump gives off in relation to the electric energy it needs to operate Another term for this is COP Heating curve The heating curve determines which heat the heat pump is to produce de pending on the temperature outdoors If a high value is selected this tells the heat pump that it must produce a lot of heat when it is cold outdoors in order to achieve a warm indoor temperature Heating medium Hot liquid usually normal water which is sent from the heat pump to the house climate system and makes the accommodation warm The heating medium also heats the hot water Heating medium side Pipes to the house s climate system make up the heating medium side Hot water heater Container where domestic water is heated Is located inside the heat pump but an extra hot water heater can be installed in the event of large hot water requirements Outside sensor A sensor that is located outdoors This sensor tells the heat pump how hot it is outdoors Pressostat Pressure switch that triggers an alarm and or stops the compressor if non permitted pressures occur in the system A high pressure pressostat trips if the condensing pressure is too great A low pressure pressostat trips if the evaporation pressure is too low Chapter 6 Glossary NIBE F370 79 80 Radiator Another word for heating element They must be filled with water in order to be used with F370 Refrigerant Sub
48. t the malfunction appear in the display in the form of different alarm texts See alarm management on page 71 Service hatch Behind the service hatch are the safety valves circulation pump etc Remove the hatch by pulling it towards you Chapter 2 The heat pump the heart of the house NIBE F370 19 20 Cleaning the ventilation devices The building s ventilation devices should be cleaned regularly with for example a small brush to maintain the correct ventilation The device settings must not be changed NOTE If you take down more than one ventilation device for cleaning do not mix them up Cleaning the air filter Clean F370 s air filter regularly how often depends on the amount of dust in the ventilation air When it is time to clean an alarm indication occurs is displayed Factory setting for alarm indication is every three months 1 Set the switch toO 2 Remove the upper front cover by pulling straight out 3 Pull out the filter cassette 4 Take out the filter and shake vacuum off any dirt Do not use water or other liquids for cleaning 5 Check that the filter is not damaged 6 Carry out assembly in reverse order Even if the filter appears clean dirt collects in it and this affects the efficiency of the filter Therefore replace it after 2 years New filters can be ordered via the installer Filter
49. th the week number is marked Press the OK button 3 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 3 Adjust the heat pump Overview HEAT PUMP 4 6 op mode auto iN my icons time amp date 4 language language holiday setting advanced Sub menus For the menu gla 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 operating mode Settings regarding which icons in the heat pump s user interface that are to appear in the slot when the door is closed Setting current time and date Select the language for the display here The status information shows the selected language Vacation scheduling heating and ventilation Status inform ation set is displayed if you set a Vacation schedule but it is not active now active displays if any part of the Vacation schedule is active otherwise it displays off Setting heat pump work mode Chapter 3 F3 61 Menu 4 2 62 op mode op mode 4 2 I gj auto manual add
50. timer allows you to temporarily or periodically 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 Chapter 3 43 Menu min flow line temp 1 9 3 climate system 1 climate system 2 climate system 3 climate system 4 climate system Setting range 20 70 C Default values 20 C Set the minimum temperature on the supply temperature to the climate sys tem This means that F370 never calculates a temperature lower than that set here If there is more than one climate system the setting can be made separately for each system sys TIP Q The value can be increased if you have for example 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 44 Chapter 3 Menu room sensor settings 1 9 4 control room sensor system 1 factor system 1 control room sensor syst 2 control room sensor syst 3 factor system 3 control room sensor syst 4 factor system Setting range 0 2 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 affect
51. ting 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 requires 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 tem perature and hot water have time to regain usual levels TIP Set the vacation setting in advance and activate just before departure in order to maintain the comfort Chapter 3 Menu 4 9 66 Caution If you choose to switch off hot water production during the vacation peri odic increases preventing bacterial growth are blocked during this time periodic increases started in conjunction with the vacation setting being completed Caution If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical addition is permitted to intervene When the compressor is blocked heat is not recovered from the exhaust air advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Chapter 3 Menu 4 9 2 auto mode setting stop heating stop additional heat filtering time stop heating Setting range 20 40 C
52. to your needs receive information about settings status and events see different types of alarms and receive instructions about how they are to be rectified A Display Instructions settings and operational information are shown on the display The easy to read display and menu system facilitates navigation between the different menus and options to set the comfort or obtain the information you require B Status lamp The status lamp indicates the status of the heat pump It lights green during normal operation lights yellow in emergency mode lights red in the event of a deployed alarm Chapter 2 The heat pump the heart of the house NIBE F370 11 12 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 confirmed 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 The switch assumes three positions On l Standby O Emergency mode AN Emergency mode must only be used in the event of a fault on the heat pump In this mode the compressor switches off and the immersion heater engages The heat pump display is not illuminated
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