User manual
Contents
1. Adjust the heat pump Disturbances in comfort Manage alarm Troubleshooting Only additional heat Technical data Glossary Item register CO OAN OAK KR WNN NON N L NANIA sos 3 N 1 Important information Installation data Product Serial number Installation date Installer Type of brine Mixing ratio freezing point Active drilling depth collector length y Accessories heating curve offset 191 heating curve curve 7 slope 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 F1245 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 symbol indicates important information about what you should observe2. NIBE User manual NIBE F1245 UK 1x230V Ground source heat pump AHB GB 1018 1 031638 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 10 How to scroll through menus and make different settings is described on page 14 Set the indoor climate ie es g 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 24 Increase hot water volume 2X 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 46 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 71 for instructions Table of Contents 1 e Table of Contents NIBE F Important information Installation data Safety information Serial number Country specific information F1245 An excellent choice The heat pump the heart of the house Heat pump function Contact with F1245 Maintenance of F1245 F1245 at your service Set the indoor climate Set the hot water capacity Get information
3. 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 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 Chapter 4 Disturbances in comfort NIBET aid mode aid mode is a type of emergency mode This means that the heat pump produces heat and or hot water despite there being some kind of problem This can mean that the heat pump s compressor is not running In this case the immersion heater produces heat and or hot water 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
4. diff between additional steps Setting range 0 1000 Default value 100 Chapter 3 Menu 4 9 4 Menu 4 9 5 Degree minutes are a measurement of the current heating requirement in the house and determine when the compressor respectively additional heat will start stop Caution Higher value on start compressor gives more compressor starts which in creases wear in the compressor Too low value can give uneven indoor temperatures factory setting user 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 Caution After default setting personal settings such as heat curves must be reset 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 Chapter 3 rvice 67 68 Activated Schedule al y activated 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 particular d
5. 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 A Chapter 3 F1245 at your service NIBE F1245 29 Time period The start and stop time for the selected day for scheduling are selected here Adjusting Whether or not cooling is permitted during scheduling is set here vw 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 30 Chapter 3 F1245 at your service NIBE F1245 Menu 1 3 3 ventilation accessory required 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 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 deac
6. when maintaining your installation TIP This symbol indicates tips on how to facilitate using the product Marking This heat pump 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 F1245 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 Nn Sn Serial number Caution Always give the product s serial number when reporting a fault Country specific information Great Britain This installation is subject to building regulation approval notify the local Authority of intention to install Use only manufacturer s recommended replacement parts THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Nibe is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing t
7. 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 23 HOT WATER Setting and scheduling hot water production See page 45 INFO Display of temperature and other operating information and access to the alarm log See page 52 HEAT PUMP Setting time date language display operating mode etc See page 57 Chapter 2 The heat pump the heart of the house 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 These two symbols indicate whether the compressor or addition is blocked in F1245 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 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 Accessory NIBE FLM required This symbol indicates whether holiday setting is activated in menu 4 7 Chapter 2 The heat pump the heart of the house NIBE F1245 13 14 Menu number marked
8. Name and menu number sub menu main menu Symbol INDOOR CLIMATE HOT WATER main menu f 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 The heat pump the heart of the house NIBE Selecting options iV economy normal luxu Alternative In an options menu the current selected option is indicated by a green S tick To select another option 1 Mark the applicable option One of the options is pre selected g white 2 Press the OK button to confirm the selected option The selected io option has a green tick Chapter 2 Th 15 Setting a value Values to be changed To set a value 1 Mark the value you want to set using the control knob 01 l 2 Press the OK button The background of the value becomes green which means that you have accessed the setting mode 4 3 Turn the control knob to the right to increase the value and to e the left to reduce the value 4 Press the OK button to con
9. 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 temperature is too high reduce the value in menu 1 1 by one increment Chapter 3 F1245 at your service NIBE F1245 25 Menu 1 2 26 ventilation accessory required normal 50 speed 1 0 speed 2 40 speed 3 80 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 TIP If longer time changes are required use the holiday function or sc
10. 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 10 Chapter 2 The heat pump the heart of the house NIBE F1245 C OK button The OK button is used to confirm selections of sub menus options set values page in the start guide D Back button The back button is used to go back to the previous menu change a setting that has not been confirmed E Control knob The control knob can be turned to the right or left You can scroll in menus and between options E increase and decrease the values change page in multiple page instructions for example help text and service info F Switch The switch assumes three positions On 1 Standby O Emergency mode A Emergency mode must only be used in the event of a fault on the heat pump In this mode the compressor switches off and the immersion heater engages The heat pump display is not illuminated and the status lamp illuminates yellow Chapter 2 The heat pump the heart of the house NIBE F1245 11 Menu 1 Menu 2 Menu 3 Menu 4 12 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
11. 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 F1245 returns to the mode set in menu 2 2 Select off to switch off Welgafetelgelavaluya Chapter 3 F124 Menu 2 2 comfort mode y economy 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 may be partially used to heat hot water which may increase operating costs Chapter 3 t your service 47 Menu 2 3 48 scheduling What hot water comfort the heat pump is to work with can be scheduled
12. read off the average indoor temperature at the selected week 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 Press the OK or Back button to exit read off mode Chapter 3 F124 Adjust the heat pump Overview plus functions op mode my icons time amp date language language holiday setting Sub menus For the menu EFA AUVI there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus JP Settings applying to any installed extra functions in the heating system 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 UMEE EIG Setting current time and date Select the language for the display here The status information shows the selected language Vacation scheduling heating cooling and ventilation Status information 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 F1245 at your service NIBE F1245 57 Menu plus functions 4 1 plus functions 4 1 Settings for any additional functions installed in the heatin
13. serial number when contacting your installer 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 f 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 Too low or no operating prioritisation of hot water Enter menu 4 9 1 and increase the time for when hot water is to be prioritised Closed or choked filling valve for the hot water heater Open the valve Chapter 4 Disturbances in comfort NIBE F1245 71 72 Low room temperature Closed thermostats in several rooms m Set the thermostats to max in as many rooms as possible Adjust the room temperature via menu 1 1 instead of choking 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 se
14. ally powered compressor When the gas is compressed the pressure increases and the gas s temperature increases considerably from 5 C to approx 100 C From the compressor gas is forced into a heat exchanger condenser where it releases heat energy to the heating system in the house 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 heating energy that the refrigerant releases in the condenser is retrieved by the heat pump s boiler section The heating medium circulates in a closed system and transports the heated wa ter s heat energy to the house water heater and radiators heating coils 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 F1245 Contact with F1245 External information When the heat pump door is closed information can be received via an in formation window and a status lamp EYY H e 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 infor
15. ature If the house has several climate systems this is indicated on the display by a thermometer for each system If the heat pump has an accessory for cooling or integrated cooling function this is shown in the display with an extra tab 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 hand side of the symbol in the display Setting the temperature without room sensors activated Setting range 10 to 10 Default value O 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 F1245 at your service NIBE F1245 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
16. ault value 1 0 You can use F1245 to cool the house during hot periods of the year Chapter 3 F124 t your service NI 39 40 min temp cooling flow Set the minimum temperature on the supply temperature to the climate system during cooling operation This means that F1245 never calculates a temper ature lower than that set here cooling flow temp at 20 C Set the desired temperature on the flow temperature to the climate system during cooling operation when the outdoor temperature is 20 C F1245 then attempts to get as close to the set temperature as possible coolant flow line at 40 C Set the desired temperature on the flow temperature to the climate system during cooling operation when the outdoor temperature is 40 C F1245 then attempts to get as close to the set temperature as possible time betw switch heaticool Here you can set how long F1245 is to wait before it returns to heating mode when the cooling demand has ceased or vice versa heat at room under temp Caution This setting option only appears if a room temperature sensor is connected to F1245 and has been activated Here you can set how far the room temperature can drop below the desired temperature before F1245 switches to heating operation cool at room over temp Caution This setting option only appears if a room temperature sensor is connected to F1245 and has been activated Here you can set how high the room temperature can in
17. ay 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 Blocking additional heat 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 F1245 at your service NIBE F1245 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 Caution Long term blocking can cause reduced comfort and operating economy Chapter 3 F1245 at your service NIBE F1245 69 70 4 Disturbances in comfort In most cases the heat pump notes operational interference and indicates this with alarms and shows instructions in the display See page 70 for inform ation about managing alarms If the malfunction does not appear in the dis play or if the display is not lit the following troubleshooting guide can be used Manage alarm hI a in a a Te 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 green continuously to red con tinuously In addition
18. changer Device that transfers heat energy from one medium to another without mixing mediums Chapter 6 Glossary NIBE F1245 Heat 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 through the coil tank Heating medium side Pipes to the house s climate system and condenser 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 Level monitor Accessory that senses the level in the level vessel and gives an alarm if it be comes too low Level vessel Partially transparent vessel with brine with the task of equalising the pressure in the brine system When the temperature of the brine increases or decreases the pressure in the system changes and the level in the level vessel also changes Outside senso
19. cific outdoor temperature Chapter 3 F1245 at your service NIBE F1245 Menu 1 9 1 heating curve system 9 flow t 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 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 Supply temperature Curve coefficient C 70 Steeper curve slope The slope of the heating curve indic 60 wn 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 Chapter 3 F124 t your service NI 33 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 f
20. crease above the desired temperature before F1245 switches to cooling operation Chapter 3 F1245 at your service NIBE F1245 Menu 1 9 6 fan return time accessory required 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 Chapter 3 41 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 F Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply 42 Chapter 3 F124 Menu 1 9 8 point offset outdoor temp point change in curve 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 increment 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
21. ctrical energy You can lower the temperature when away from the house by scheduling holiday setting in menu 4 7 See page 62 for instructions If you activate Hot water Economy less energy is used Power consumption ofannual The ground source heat pump s energy distribution is spread across consumption the year 20 _ _ _ SSS 15 7 10 7 i i 0 i E a 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 20 Chapter 2 The heat pump the heart of the house NIBE F1245 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 TV Operation 5 h day Standby 200 2 380 19 h day Digital box Operation 5 h day Standby 19 11 10 90 h day DVD Operation 2 h week 15 5 45 TV 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 Spot light Halogen Operation 8 h day 20 55 Cooling Operation 24 h day 100 165 Freezer Operation 24
22. d accessories e g extra hot water heater ventilation recovery pool free cooling and climate systems with different temperatures An immersion heater of 7 kW can be connected automatically if anything unforeseen should occur or as reserve operation then 6 kW F1245 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 F1245 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 cooling and ventilation in some cases 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 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 F1245 2 The heat pump the heart of the house Heating medium Refrigerant Brine 100 C Heat source o aoe F u o o P The temperatures are only examp
23. explanation of its operation The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations England and Wales All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number on the Benchmark Checklist This product should be serviced regularly to optimise its safety efficiency and performance The service engineer should complete the relevant Service Record on the Benchmark Checklist after each service The Benchmark Checklist may be required in the event of any warranty work and as supporting documentation relating to home improvements in the optional documents section of the Home Information Pack Chapter 1 Important information NIBE F1245 5 F1245 An excellent choice F1245 is part of anew generation of heat pumps which have been introduced to supply your home with inexpensive and environmentally friendly heating and or cooling 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 an
24. fers depending on where you live The lower the dimensioned outdoor temperature the lower the value should be selected on selecting a heat curve Efficiency A measurement of how effective the heat pump is The higher the value is the better it is Chapter 6 Glossary NIBE F1245 77 78 Electrical addition This is electricity that for example an immersion heater uses as addition during the coldest days of the year to cover the heating demand that the heat pump cannot manage 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 brine which then cools Expansion valve Valve that reduces the pressure of the refrigerant whereupon the temperature of the refrigerant drops Expansion vessel Vessel with brine or heating medium fluid with the task of equalising the pressure in the brine or heating medium system Fan convectors A type of convector but with auxiliary fan that blows hot or cold air into the accommodation Flow pipe The line in which the heated water is transported from the heat pump out to the house heating system radiators heating coils Free cooling The cold brine from the collector borehole is used to cool the accommodation Heat ex
25. firm the value you have set To change qq and return to the original value press the Back button 16 Chapter 2 The heat pump the heart of the house NIBET Scroll through the windows A menu can consist of several windows Turn the control knob to scroll between the windows L 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 In many menus there is a symbol that indicates that extra help is avail Mag 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 The heat pump the heart of the house NIBE F1245 Maintenance of F1245 Regular checks Your heat pump is in principle maintenance free and therefore requires minimal care after commissioning However it is recommended that your installation is checked and serviced annually by qualified personnel This is to ensure the continued efficient operation of your heat pump and that the warranty remains valid during the warranty period All servicing must be carried out by a person competent for the job If somethi
26. g system can be made in the sub menus Menu pool accessory required 4 1 1 activated start temp stop temperature 265 n start temp Setting range 15 0 70 0 C Default value 22 0 C stop temperature Setting range 15 0 70 0 C Default value 24 0 C Select whether the pool control is to be activated and within what temperat ures start and stop temperature pool heating must occur 58 Chapter 3 Menu 4 2 When the pool temperature drops below the set start temperature and there is no hot water or heating requirement F1245 starts pool heating Untick activated to switch off the pool heating Caution The start temperature cannot be set to a value that is higher than the stop temperature op mode Vv auto LETAN add heat only op mode Setting range auto manual add heat only Default value auto functions Setting range compressor addition heating cooling 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 y
27. h day 120 380 Oven hob Operation 40 min day 1500 365 Oven hob 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 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 Chapter 2 The heat pump the heart of the house NIBE F1245 21 22 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 offset and t
28. he building s thermostat valves because the heating system as a rule requires a lower temperature once the drying process is complete Chapter 2 The heat pump the heart of the house NIBE F1245 F1245 at your service Set the indoor climate Overview temperature ventilation scheduling advanced Sub menus For the menu A00 keV 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 Tab for cooling system is only displayed if accessory for cooling are present or if the heat pump has the integrated cooling function Setting the fan speed The status information shows the selected setting This menu is only displayed if the exhaust air module is connected accessory Scheduling heating cooling and ventilation Status information set is displayed if you set a schedule but it is not active now holiday set ting 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 cooling function Chapter 3 F1245 at your service NIBE F1245 Menu 1 1 24 temper
29. heated causing the pressure to rise and the safety valve to open The function of the safety valve must be checked regularly by a person com petent for the job 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 NOTE Do not remove or adjust any components that are part of this pressurised water heater Contact your installer NOTE If this pressurised water heater develops a fault e g a flow of hot water from the overflow pipe turn the heat pump off and contact your installer Chapter 2 The heat pump the heart of the house NIBE F1245 19 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 g wind exposure is also an affecting factor Also remember Open the thermostat valves completely except in the rooms that are to be kept cooler for various reasons e g bedrooms The thermostats slow the flow in the heating system which the heat pump wants to compensate with increased temperatures It then works harder and consumes more ele
30. heduling Chapter 3 Menu 1 3 Menu 1 3 1 scheduling heating cooling ventilation In the menu Rage Meg indoor climate heating cooling 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 for 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 F124 yt your service NIB 124 27 28 Activated Schedule System Ve V ECES 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
31. 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 Activated Schedule 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 Chapter 3 F1245 at your service NIBE F1245 Menu 2 9 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 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Chapter 3 49 Manu periodic increa
32. ion 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 CESSA shows operating times number of starts etc for the com pressor CREEN 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 F1245 at your service NIBE F1245 Menu service info 3 1 status op prioritisation hot water charging heat medium flow calculated flow temp degree minutes outdoor temp brine in brine out The information is on several pages the pages Symbols in this menu Compressor Addition Brine pump blue Cooling Ventilation aT a Ey 3 g 4 Chapter 3 F1 at your service Turn the control knob to scroll between Heating Hot water Heating medium pump or ange Pool NJ A ul Menu 3 2 Menu 33 54 compressor info status number of starts total operating time of which hot water Information about the compressor s operating status and statistics can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages add heat info status time factor Information about the additional heat settings operating status and statistics can be
33. it may mean that sufficient heating in the accom modation is not achieved 60 Chapter 3 F1245 at your service NIBE F1245 Menu my icons 43 iV outdoor indoor temperature hot water temperature analog clock digital clock You can select what icon should be visible when the door to F1245 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 Menu time amp date 4 4 Set time and date and display mode here Chapter 3 F124 t your service NI 61 Menu 4 6 Menu 4 7 62 language Choose the language that you want the information to be displayed in here holiday setting oS activated start date 008 01 01 stop date 2008 O1 01 heating 0 desired room temperature 20 0 hot water comfort economy cooling off ventilation normal pool off To reduce energy consumption during a holiday you can schedule a reduction in heating and hot water temperature Cooling ventilation and pool can also be scheduled if the functions are connected 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 temperat
34. les and may vary between different installations and time of year Chapter 2 The heat pump the heart of the house NIBE F1245 7 Heat pump function A heat pump can use stored solar energy from rock ground or water in order to heat a property The conversion of stored energy in nature to property heating occurs in three different circuits In the brine circuit 1 free heat energy is retrieved from the surroundings 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 Brine circuit In a hose collector an anti freeze liquid brine circulates from the heat pump out to the heat source rock ground lake The energy from the heat source is stored by it heating the brine a few degrees from about 3 C to about 0 C The collector then routes the brine to the heat pump s evaporator Here the brine releases heat energy and the temperature drops a few degrees The liquid then returns to the heat source to retrieve energy again Refrigerant circuit Another liquid circulates in a closed system in 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 brine and starts to boil The gas that is produced during boiling is routed into an electric
35. mation 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 61 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 70 Chapter 2 The heat pump the heart of the house NIBE F1245 9 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 F1245 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 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
36. mmer You may also need to increase the value in stop heating menu 4 9 2 auto mode setting Chapter 3 37 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 3 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 room temperature and the actual room temperature A higher value gives a greater change of the heat curve offset If several climate systems are installed the above settings can be made for the relevant systems 38 Chapter 3 F124 Menu cooling settings accessory required 1 9 5 min temp cooling flow cooling flow temp at 20 C coolant flow line at 40 C time betw switch heat cool close mix valves in cool mode use room sensor min temp cooling flow Setting range 5 50 C Default value 10 cooling flow temp at 20 C Setting range 5 50 C Default value 20 coolant flow line at 40 C Setting range 5 50 C Default value 15 time betw switch heaticool Setting range 0 48h Default value 2 heat at room under temp Setting range 0 5 10 0 C Default value 1 0 cool at room over temp Setting range 0 5 10 0 C Def
37. mode 1 Goto menu 4 2 op mode 2 Mark add heat only using the control knob and then press the OK button 3 Return to the main menus by pressing the Back button Chapter 4 Disturbances in comfort NIBE F1245 5 Technical data Detailed technical specifications for this product can be found in the installa tion manual www nibe eu Chapter 5 Technical data NIBE F1245 75 76 Glossary Brine Anti freeze liquid e g ethanol or glycol mixed with water which transports heat energy from the heat source rock ground lake to the heat pump Brine side Brine hoses any bore holes and the evaporator make up the brine side 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 Charge coil A charge coil heats the domestic hot water tap water in the heater with heating water 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 Coil tank A heater with a coil in it The water in the coil heats the water in the heater Collector Hose where the brine circulates in a closed system between the heat source and the heat pump Compressor Com
38. ng unusual occurs messages about the malfunction appear in the display in the form of different alarm texts See alarm management on page 70 Level vessel The brine that obtains the heat in the ground is not normally consumed but just pumped around In most installations there is a level vessel where you can check if there is sufficient fluid in the system Ask your installer if you are unsure where the level vessel is located The level can vary due to the fluid s temperat ure If the level is below 1 3 topping up is required Contact your installer for assistance with filling Expansion vessel lt The brine that obtains the heat in the ground is not normally C N consumed but just pumped around In some installations there is an expansion tank instead of a level vessel for example where A KSEE __ the heat pump is not at the highest point in the brine system where the system pressure can be checked Ask your installer if you are unsure where the expansion tank is located The pressure can vary due to the fluid s temperature The pressure should not fall below 0 5 bar Contact your installer for assistance with filling l i 18 Chapter 2 The heat pump the heart of the house NIBE F1245 gt gt Safety valves 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
39. o optimise safety efficiency and performance Benchmark is managed and promoted by the Heating and Hotwater Industry Council For more information visit www centralheating co uk Warranty information Thank you for installing a new NIBE heat pump in your home NIBE heat pumps are manufactured in Sweden to the very highest standard so we are pleased to offer our customers a comprehensive guarantee Chapter 1 Important information NIBE F1245 The product is guaranteed for 24 months for parts and labour from the date of installation or 33 months from the date of manufacture whichever is the shorter NIBE VIP installers are able to offer their customers full 5 years parts and labour guarantee The NIBE guarantee is based on the unit being installed and commissioned by a NIBE accredited installer serviced every year and the Benchmark docu ments completed Where this condition is not met any chargeable spare parts or components issued within the applicable guarantee period still benefit from a 12 month warranty from the date of issue by the manufacturer We recommend the installer completes and returns as soon as possible your guarantee registration card or completes the guarantee form on the NIBE website www nibe co uk Please ensure that the installer has fully completed the Benchmark Checklist in the end of the Installation Instructions supplied with the product and that you have signed to say that you have received a full and clear
40. obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Chapter 3 F124 Menu 3 4 alarm log 012009 00 28 TB alarm LP alarm Sensor flt BT6 Sens flt BT20 Sensor flt BT2 Sensor fit BT1 TB alarm LP alarm Sensor flt BT6 Sens flt BT20 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 Level sensor Brine outdoor temp 5 6 C heat medium flow 30 5 C heat medium return 25 0 C hot water charging 49 0 C brine in 6 2 C brine out 3 9 C condenser out 30 5 C operating time 0 min op mode heating Information about an alarm Chapter 3 F1245 at your service Menu 35 56 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 if an exhaust air module NIBE FLM is installed 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 Press the OK button Follow the grey line up to the graph and out to the left to
41. ormal External switch for changing the fan speed activated m Check any external switches High or distracting ventilation This part of the fault tracing chapter only applies if the NIBE FLM accessory is installed The ventilation is not adjusted Order ventilation adjustment Fan speed in forced mode 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 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 Follow the display instructions Chapter 4 Disturbances in comfort NIBE F1245 73 74 Gurgling sound This part of the fault tracing chapter only applies if the NIBE FLM accessory is installed Not enough water in the water seal Fill the water seal with water Choked water seal m Check and adjust the condensation water hose Only additional heat If you are unsuccessful in rectifying the fault and are unable to heat the house you can whilst waiting for assistance continue running the heat pump in add heat only mode This means that the heat pump only uses the immer sion heater to heat the house Set the heat pump to additional heat
42. ou mark the function using the control knob and press the OK button Chapter 3 F124 t your service NI 59 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 cr Caution If you choose mode add 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 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 accommodation You can deselect the function when you do not wish to have heating running cooling means that you get cooling in the accommodation in hot weather You can deselect the function when you do not wish to have the cooling running This alternative requires an accessory for cooling or if the heat pump has a built in function for cooling CF Caution If you deselect addition
43. presses the gas state refrigerant When the refrigerant is compressed the pressure and the temperature increase Chapter 6 Glossary NIBE F1245 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 Convector Works in the same way as a radiator but with the difference that the air is blown out This means that the convector can be used to heat or cool the accommodation COP If it is stated that a heat pump has COP 5 this means in principle that if you insert 10 pence you will get 50 pence worth of heat It is the efficiency of the heat pump This is measured at different measurement values e g 0 35 where O stands for how many degrees the temperature of the incoming brine is and 35 for how many degrees the supply temperature is 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 Domestic hot water The water one showers in for example DUT dimensioned outdoor temperature The dimensioned outdoor temperature dif
44. r A sensor that is located outdoors This sensor tells the heat pump how hot it is outdoors Passive cooling See Free cooling Chapter 6 Glossary NIBE F1245 79 80 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 Radiator Another word for heating element They must be filled with water in order to be used with F1245 Refrigerant Substance 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 Shuttle valve A valve that can send liquid in two directions A shuttle valve that enables li quid to be sent to the climate system when the heat pump produces heating fo
45. r 3 F124 Menu auto mode setting 4 9 2 start cooling stop heating stop additional heat filtering time start cooling Setting range 20 40 C Default value 25 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 48 h 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 If accessories for cooling are present or if the heat pump has the integrated cooling function you can also select the start temperature for cooling Select the average outdoor temperatures in this menu You can also set the time over which filtering time the average temperature is calculated If you select O the present outdoor temperature is used Chapter 3 F124 Menu 4 9 3 66 Caution It cannot be set stop additional heat higher than stop heating Caution In systems where heating and cooling share the same pipes stop heating cannot be set higher than start cooling degree minute setting current value start compressor start addition diff between additional steps current value Setting range 3000 3000 start compressor Setting range 1000 30 Default value 60 start addition Setting range 2000 30 Default value 400
46. r the house and to the hot water heater when the heat pump produces hot water Chapter 6 Glossary NIBE F1245 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 F1245 81 82 Item register A Adjust the heat pump 57 B Back button 11 Cc Contact with F1245 9 Display unit 10 External information 9 Menu system 12 Control knob 11 D Display 10 Display unit 10 Back button 11 Control knob 11 Display 10 OK button 11 Status lamp 10 Switch 11 Disturbances in comfort 70 Manage alarm 70 Only additional heat 74 Troubleshooting 71 E External information 9 Information window 9 Status lamp 9 F F1245 An excellent choice 6 F1245 at your service 23 Adjust the heat pump 57 Get information 52 Set the hot water capacity 45 Set the indoor climate 23 G Get information 52 Glossary 76 H Heat pump function 8 Help menu 17 Chapter 7 Item register l Important information 2 F1245 An excellent choice 6 Installation data 2 Serial number 4 Warranty information 4 Information window 9 Installation data 2 M Maintenance of F1245 18 Regular checks 18 Saving tips 20 Manage alarm 70 Menu system 12 Help menu 17 Operation 14 Scroll through the windows 17 Selecting menu 14 Selec
47. rve 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 external adjustment 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 O Connecting an external contact for example a room thermostat or a 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 Chapter 3 Menu 1 9 3 If there is more than one climate system the setting can be made separately for each system min flow line temp climate system 1 climate system 2 climate system 3 climate system 4 climate system Setting range 15 50 C Default values 15 C Set the minimum temperature on the supply temperature to the climate sys tem This means that F1245 never calculates a temperature lower than that set here If there is more than one climate system the setting can be made separately for each system TIP The value can be increased if you have for example a cellar that you always want to heat even in su
48. ses 2 9 1 activated period start time Next periodic increase 6 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 50 Chapter 3 Nenu hot water recirc accessory required 2 9 2 operating time downtime period 1 005 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 F124 51 52 Get information Overview service info compressor info add heat info alarm log indoor temp log Sub menus For the menu A0 there are several sub menus No settings can be made in these menus it is just display of information Status informat
49. t 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 curve slope in the menu 1 9 1 heating curve needs to be adjusted up Too low or no operating prioritisation of heat m Enter menu 4 9 1 and increase the time for when heating is to be prioritised Holiday mode activated in menu 1 3 4 Enter menu 1 3 4 and select Off External switch for changing the room heating activated m Check any external switches Air in the climate system Vent the climate system Closed valves to the climate system 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 climate system Chapter 4 Disturbances in comfort NIBE F1245 Top up the water in the climate system Low or a lack of ventilation This part of the fault tracing chapter only applies if the NIBE FLM accessory is installed Filter blocked Exhaust air device blocked or throttled down too much Fan speed in reduced mode Enter menu 1 2 and select n
50. 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 43 cH Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise 44 Chapter 3 F1245 at your service NIBE F1245 Set the hot water capacity Overview temporary lux comfort mode scheduling advanced Sub menus For the menu KOLANA there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus ASENA 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 ZAS 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 Setting periodic increase in the hot water temperature Chapter 3 F1245 at your service NIBE F1245 45 Menu 2 1 46 temporary lux Setting range 3 6 and 12 hours and mode
51. 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 F1245 at your service NIBE F1245 Menu 1 3 2 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 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 cooling accessory required Here you can schedule when cooling is permitted in the accommodation for up to two different 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 on 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
52. ting options 15 Setting a value 16 o OK button 11 Only additional heat 74 Operation 14 P Power consumption 20 R Regular checks 18 S Saving tips 20 Power consumption 20 Scroll through the windows 17 Selecting menu 14 Selecting options 15 Serial number 4 Set the hot water capacity 45 Set the indoor climate 23 Setting a value 16 Status lamp 9 10 Switch 11 T Technical data 75 NIBE F1245 The heat pump the heart of the house 7 Troubleshooting 71 WwW Warranty information 4 Chapter 7 Item register NIBE F1245 83 84 Chapter 7 NIBE F1245 NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield S41 9QG Phone 0845 095 1200 Fax 0845 095 1201 info nibe co uk www nibe co uk 031638
53. tivation 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 The desired fan speed is set 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 Chapter 3 F1245 at your service NIBE F1245 31 Menu 1 9 32 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 SyarlaareleclelUsiugalaia Setting the heat curve offset when the external contact is connected aa OA ASRA Setting minimum permitted flow line temperature Settings regarding the room sensor CRA Settings for cooling Fan return time settings in the event of temporary ventilation speed change Setting own heat curve JINLE Setting the offset of the heating curve at a spe
54. u 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 anew 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 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 Chapter 3 F1245 at your service NIBE F1245 35 Menu 1 9 2 36 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 by one increment If it is cold outdoors and the room temperature is too high lower the cu
55. ure requires one increment for under floor heating and approximately two to three increments for the radiator system Chapter 3 F1245 at your service NIBET 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 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 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Chapter 3 t your service 63 Menu 4 9 1 64 op prioritisation hot water heating pool 10 min op prioritisation Setting range 0 to 180 Default value 20 Choose here how long the heat pump should work with each requirement if there are two or more requirements at the same time If there is only one requirement the heat pump only works with that requirement The indicator marks where in the cycle the heat pump is If O minutes is selected it means that requirement is not prioritised but will only be activated when there is no other requirement Chapte
56. urther adjustment cr 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 Supply temperature Curve offset n Offset heating curve An offset of the heating curve means 60 Bs 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 ures 50 40 30 10 0 10 20 30 40 C Outdoor temperature Supply temperature Flow line temperature maxim a um and minimum values a0 Because the flow line temperature Maximum value cannot be calculated higher than the set maximum value or lower than the 4 set minimum value the heating curve i sisal valine flattens out at these temperatures 50 10 0 10 20 30 40 C Outdoor temperature 34 Chapter 3 F1245 at your service NIBE F1245 Caution Underfloor heating systems are normally MEAO ANCA GAIEN Set 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 yo
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