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1. 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 65 66 Activated Schedule activated all 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 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 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 NIBET Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always star
2. Information window 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 59 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 68 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 9 Display unit S Display B Status lamp C OK button D Back button E 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
3. 50 40 30 10 D 10 20 30 40 C Outdoor temperature Chapter 3 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 further 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 C E Offset heating curve An offset of the heating curve means 60 Ke 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 D 10 20 30 40 C Outdoor temperature Supply temperature Flow line temperature maxim b um and minimum values Because the flow line temperature Maximum value cannot be higher than the set maxim um value or lower than the set min 0 imum value the heating curve flattens 30 Eu dalde out at these temperatures 50 10 D 10 20 30 40 C Outdoor temperature 34 Chapter 3 F1245 at your service NIBE F1245 Caution Underfloor heating systems are normally tient ZeeutecH Set between 35 and 45 C Check the max t
4. The heat pump the heart of the house NIBE F1245 11 enu 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 Indoor temperature if a room sensor is Outdoor temperature connected INDOOR CLIMATE HOT WATER 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 22 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 51 HEAT PUMP Setting time date language display operating mode etc See page 55 Chapter 2 Menu number marked Name and menu number sub menu main menu Symbol main menu temperature 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 always 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 13 Selecting
5. climate system Setting range 15 50 C Default value 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 Q The value can be increased if you have for example a cellar that you always want to heat even in summer 38 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 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 Chapter 3 39 Menu cooling settings accessory required 1 9 5 min temp cooling flow cooling flow temp at 20 C cooling flow temp at 30 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 coo
6. connected The menu is only displayed when the function is selected in menu 5 4 AOAIGA G Setting minimum permitted flow line temperature Settings regarding the room sensor Settings for cooling Fan return time settings in the event of temporary ventilation speed change 7 Setting own heat curve Chapter 3 31 Setting the offset of the heating curve at a specific outdoor temperature 32 Chapter 3 F1245 at your service NIBE F1245 Menu 1 9 1 heating curve system G 2 flow temperature 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 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 cune lope The slope of the heating curve indic 60 a 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
7. op mode 4 2 j g auto op J manual 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 you mark the function using the control knob and press the OK button Chapter 3 57 58 Operating mode auto In this operating mode you cannot select which functions are to be permitted or not because it is handled automatically by the heat pump Operating mode manual In this operating mode you can select what functions are permitted or not You cannot deselect compressor in manual mode Operating mode add heat only 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 heat is used You can also choose to deactivate heating or cooling only if accessory for cooling is available or if
8. day If two settings conflict with each other a red exclamation mark is displayed at the end of the line Chapter 3 F1245 at your service NIBE F1245 Activated Schedule j schedul E activated all mon tues we thur fri sat sun 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 Whether or not cooling is permitted during scheduling 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 Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for Chapter 3 F1245 29 Menu 1 3 3 30 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 ot
9. 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 electrically 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 heat energy that the refrigerant produces in the condenser is retrieved by the heating system s water heating medium which is heated to 35 C supply temperature 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 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
10. gt User manual NIBETM F1245 Ground source heat pump AHB GB 0926 1 031336 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 13 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 23 To temporarily increase the amount of hot water first turn the control knob to mark menu 2 and then press the OK button twice Read more about the settings on page 46 Set the indoor climate Increase hot water volume 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 69 for instructions Table of Contents 1 un Table of Contents NIBE Important information Installation data Safety information Serial number Contact 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 Adjust the heat pump Disturbances in comfort Manage al
11. heat pump the heart of the house NIBE 1245 19 20 Equipment Normal Output W Approx imate annual con sump tion kwh Spot light Halogen Operation 8 h day Cooling Operation 24 h day 100 165 Freezer Operation 24 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 0 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 u
12. lund Varmeteknik Filial af NIBE AB Brogardsvej 7 6920 Videb k Tel 97 17 20 33 Fax 97 17 29 33 E mail info volundvt dk www volund vt dk H NIBE Haato OY Valimotie 27 01510 Vantaa Puh 09 274 697 0 Fax 09 274 697 40 E mail info haato com www haato 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 nibenl nl www nibenl nl NO NIBE AB Fekjan 15F 1394 Nesbru Tel 22 90 66 00 Fax 22 90 66 09 E mail info nibe se www nibevillav arme no PL NIBE BIAWAR Sp z o o Aleja Jana Pawta II 57 15 703 BIA YSTOK Tel 085 662 84 90 Fax 085 662 84 14 E mail sekretariat biawar com pl www biawar com pl 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 F1245 5 F1245 An excellent choice F1245 is part of a new 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 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 r
13. 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 61 Menu 4 9 1 62 op prioritisation hot water min heating 10 min 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 Chapter 3 Menu auto mode setting 4 9 2 start cooling stop heating stop additional heat filter time start cooling Setting range 20 40 C Default value 25 stop heating Setting range 20 40 C Default value 20 stop additional heat Setting range 20 40 C Default value 15 filter 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 you have accessories for coolin
14. This is measured at different measurement values e g 0 35 where 0 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 if 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 differs 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 75 76 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 h
15. adiators convectors or under floor heating It is also prepared for connection to several different products and accessories e g extra hot water heater ventilation recovery pool free cooling and climate systems with different temperatures An immersion heater of 9 kW if 1 phase 7 kW can be connected automat ically 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
16. arm Troubleshooting Only additional heat Technical data Glossary Item register 4 OANOUBKRWNN N Aa 6 5 ANN 0 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 NIBETM 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 ONIBE 2008 Symbols NOTE This symbol indicates danger to machine or person Caution This symbol indicates important information about what you should observe when maintaining your installation TIP This symbol indicates tips on
17. 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 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 sensor 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 77 78 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 an
18. d 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 heating system when the heat pump produces heating for the house and to the hot water heater when the heat pump produces hot water Chapter 6 Glossary NIBETM 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 NIBETM F1245 9 80 Item register A Adjust the heat pump 55 B Back button 11 C Contact information 5 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 68 Manage alarm 68 Only additional heat 72 Troubleshooti
19. e 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 9 70 Low room temperature Closed thermostats in several rooms 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 f 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 curve slope in the menu 1 9 1 heating curve needs to be adjusted up Too low or no operating prioritisation of heat Enter menu 4 9 1 and increase the time for when heating is to be prioritised 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 a
20. e 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 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 E 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 NIBETM F1245 Set the hot water capacity Overview temporary lux comfort mode scheduling 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 STR Scheduling hot water comfort Status information set displays if a
21. e 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 temperature is too high reduce the value in menu 1 1 by one increment Chapter 3 F1245 at your service NIBETM F1245 Menu ventilation accessory required 1 2 ventilation 1 2 bi normal 50 speed 1 0 9 speed 2 40 9 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
22. elected 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 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 55 Menu plus functions 4 1 plus functions 4 1 1 Settings for any additional functions installed in the heating system can De made in the sub menus Menu pool accessory required 4 1 1 pool 4 1 1 activated start temp PE stop temperature 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 56 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
23. emperature for your floor with your 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 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 e
24. essure 70 can vary due to the fluid s temperature The pressure should not fall below 0 5 bar Contact your installer for assistance with filling Chapter 2 The heat pump the heart of the house NIBETM F1245 7 Safety valve 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 function of the safety valve must be checked regularly You can find the safety valve on the incoming pipe cold water to the water heater 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 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 heatin
25. g production installed you can also select start temperature for cooling Select the average outdoor temperatures in this menu You can also set the time over which filter time the average temperature is calculated If you select 0 the present outdoor temperature is used Chapter 3 E Caution stop additional heat cannot be set higher than stop heating EF Caution In systems where heating and cooling share the same pipes stop heating cannot be set higher than start cooling Menu degree minute setting 4 9 3 current value start compressor start addition diff between additional steps current value Setting range 3000 0 start compressor Setting range 1000 30 Default value 60 start addition Setting range 2000 30 Default value 400 diff between additional steps Setting range 0 0 Default value 100 64 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
26. g system which the heat pump wants to compensate with increased temperatures It then works harder and consumes more electrical energy You can lower the temperature when away from the house by scheduling holiday setting in menu 4 7 See page 60 for instructions If you activate Hot water Economy less energy is used 18 Chapter 2 The heat pump the heart of the house NIBE F1245 Power consumption of annual The ground source heat pump s energy distribution is spread across consumption the year 20 15 7 10 7 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 con sump tion Walt 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 0 2 120 standby 21 h day Bulb Operation 8 h day 60 175 Chapter 2 The
27. her a red exclamation mark is displayed at the end of the line Activated Schedule 9 activated all 21 30 06 00 speed 3 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 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 NIBET Menu 1 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 Caution 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 slope when the outer contact is 5
28. house Heating medium lt Refrigerant gt Brine 100 C Compressor Heat source o a e u o o e 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 NIBETM 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
29. 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 cannot be penetrated by objects with a diameter larger than or equivalent to 12 5 mm 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 Serial number Caution Always give the product s serial number when reporting a fault Chapter 1 Important information NIBETM F1245 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 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
30. lds 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 scheduling What hot water mode 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 48 Activated Schedule amp activated 000 00 15 normal 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 mode 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 ex
31. ling flow temp at 20 C Setting range 5 50 C Default value 20 cooling flow temp at 30 C Setting range 5 50 C Default value 15 time betw switch 1631 6001 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 Default value 1 0 You can use F1245 to cool the house during hot periods 40 Chapter 3 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 6 flow line temp at 20 6 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 e Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply 42 Chapter 3 Menu 1 9 8 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 curv
32. low 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 Compresses 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 It is the efficiency of the heat pump
33. n is on several pages Turn the control knob to scroll between the pages add heat info add heat info 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 53 Menu alarm log 3 4 Lvl sen Br Lvl sen Br Lvl sen Br Lvl sen Br Lvl sen Br Lvl sen Br Comm fault In HP alarm Sensor flt BT6 Sensor flt BT6 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 heat medium flow heat medium return hot water charging brine in brine out condenser out operating time op mode heating Information about an alarm 54 Chapter 3 F Adjust the heat pump Overview 1 plus functions op mode my icons time amp date 4 language language holiday setting Sub menus For the menu 8 35 there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus allge Settings applying to any installed extra functions in the heating system Activation of manual or automatic operating mode The status information shows the s
34. ndergo 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 F1245 offset and the 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 NIBETM F1245 1 22 F1245 at your service Set the indoor climate Overview INDOOR CLIMATE temperature ventilation normal scheduling oft advanced Sub menus For the menu NDyele Wells 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 vaca
35. ng 69 E External information 9 Information window 9 Status lamp 9 F F1245 An excellent choice 6 F1245 at your service 22 Adjust the heat pump 55 Get information 51 Set the hot water capacity 45 Set the indoor climate 22 G Get information 51 Glossary 74 H Heat pump function 8 Help menu 16 Chapter 7 Item register I Important information 2 Contact information 5 F1245 An excellent choice 6 Installation data 2 Serial number 4 Information window 9 Installation data 2 M Maintenance of F1245 17 Regular checks 17 Saving tips 18 Manage alarm 68 Menu system 12 Help menu 16 Operation 13 Scroll through the windows 16 Selecting menu 13 Selecting options 14 Setting a value 15 0 OK button 1 Only additional heat 72 Operation 13 P Power consumption 19 R Regular checks 17 5 Saving tips 8 Power consumption 19 Scroll through the windows 16 Selecting menu 13 Selecting options 14 Serial number 4 Set the hot water capacity 45 Set the indoor climate 22 Setting a value 15 Status lamp 9 10 Switch 11 T Technical data 73 NIBETM F1245 The heat pump the heart of the house 7 Troubleshooting 69 Chapter 7 Item register NIBETM F1245 1 82 Chapter 7 NIBETM F1245 Chapter 7 NIBE F1245 83 84 Chapter 7 NIBETM F1245 NIBE AB Sweden J rnv gsgatan 40 Box 14 SE 285 21 Markaryd infoQnibe se www nibe eu 0 31336
36. nu 4 7 60 language ch english Choose the language that you want the information to be displayed in here holiday setting holiday setting 4 7 9 activated start date 2008 01 1 stop date 2008 01 1 heating 6 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 temperature requires one increment for under floor heating and approximately two to three increments for the radiator system Chapter 3 Menu 4 9 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
37. ny 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 45 Menu 21 46 temporary lux Setting range 3 6 and 12 hours and mode off Default value off when hot water requirement has temporarily increased this menu can be used to select an increase in the hot water temperature to lux mode for a selectable time Caution If comfort mode luxury is selected in menu 2 2 no further increase can be carried out The function is activated immediately when a time period is selected and confirmed using the OK button The 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 Chapter 3 Menu 22 Menu 23 comfort mode comfort mode 2 2 gj economy eg 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 househo
38. o 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 F1245 Regular checks Your heat pump is in principle maintenance free and therefore requires minimal care after commissioning On the other hand it is recommended that you check your installation regularly If something unusual occurs messages about the malfunction appear in the display in the form of different alarm texts See alarm management on page 68 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 IL The brine that obtains the heat in the ground is not normally a D consumed but just pumped around In some installations there is an expansion tank instead of a level vessel for example where iF 2 the heat pump is not at the highest point in the brine system where the system pressure can be checked Ask your installer if we you are unsure where the expansion tank is located The pr
39. options comfort mode 2 2 i Y i gj economy 1J normal luxury 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 eo white 2 Press the OK button to confirm the selected option The selected 6 option has a green tick 14 Chapter 2 Setting a value Values to be changed To set a value 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 undo and return to the original value press the Back button Chapter 2 r 7 01 1041 4 15 16 Scroll through the windows A menu can consist of several windows Turn the control knob to scroll between the windows Current menu Number of window windows in the Scroll through the windows in the start guide Arrows to scroll through window in start guide 1 Turn the control knob until the arrow in the top left corner at the page number has been marked 2 Press the OK button to access the next step in the start guide Help menu In many menus there is a symbol that indicates that extra help is avail Kd able T
40. ot 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 Chapter 3 F1245 at your service NIBE F1245 7 Menu 1 3 2 28 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 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 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
41. ot 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 Throttle 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 exchanger Device that transfers heat energy from one medium to another without mixing mediums Chapter 6 Glossary NIBETM 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
42. 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 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 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
43. 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 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 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 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 mod
44. tends past midnight Scheduling always starts on the date that the start time is set for Chapter 3 F Menu 2 9 Menu 2 9 1 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 period Setting range 1 90 days Default value 14 days start time Setting range 00 00 23 00 Default value 02 00 To prevent bacterial growth in the heater the compressor and the immersion heater can increase hot water temperature at regular intervals Chapter 3 49 Menu 2 9 2 50 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 accessory required 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 Get information O
45. 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 Q If longer time changes are required use the holiday function or scheduling Chapter 3 25 Menu scheduling 1 3 scheduling 1 3 heating cooling ventilation In the menu 856 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 26 Chapter 3 Menu 1 3 1 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 under floor 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 Activated Schedule System 9 E activated system all 21 30 06 00 20 5 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 n
46. the heat pump has an integrated cooling function Functions compressor is that which produces heating and hot water for the accom modation You cannot deselect compressor in manual mode If com pressor is deselected a symbol in the main menu on the heat pump symbol is displayed 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 Caution If you deselect addition it may mean that sufficient cooling in the accom modation is not achieved Chapter 3 F1245 at your service NIBE F1245 Menu my icons 43 my gj outdoor indoor temperature V hot water temperature analog clock V 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 Q 24 hrs Set time and date and display mode here Chapter 3 59 Menu 4 6 Me
47. tion 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 of supply temperature room sensor and cooling function Chapter 3 Menu 1 1 temperature 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 22 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 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 F1245 at your service NIB 23 24 The number of steps the value has to be changed to achieve a degre
48. ts 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 67 68 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 68 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 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 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
49. utomatic 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 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 Clean or replace filter Exhaust air device blocked or throttled down too much Check and clean the exhaust air devices Fan speed in reduced mode m Enter menu 1 2 and select normal External switch for changing the fan speed activated 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 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 Minimum time bet
50. verview service info compressor info add heat info alarm 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 Chapter 3 51 Menu 3 1 52 service info status op prioritisation hot water charging heat medium flow calculated flow temp degree minutes outdoor temp brine in brine out 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 Heating Compressor Coolin Addition 9 Pool Brine pump blue g Heating medium pump or Ventilation ange ry Hot water Chapter 3 F Menu 3 2 Menu 3 3 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 informatio
51. ween 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 1 72 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 800 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 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 74 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 f
52. xit read off mode Chapter 3 F1245 at your service NIBE F1245 35 TIP 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 36 Chapter 3 F1245 at your service NIBE F1245 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 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 37 Menu min flow line temp 1 9 3 climate system 1 climate system 2 climate system 3 climate system 4

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