Nice F470 User Manual Download Page 72

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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:

႑

The switch's position.

႑

Group and main fuses of the accommodation.

႑

The property's earth circuit breaker.

Low hot water temperature or a lack of hot water

႑

Heat pump in incorrect operating mode.

႑

Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop additional heat“ in menu 4.9.2.

႑

If mode "manual" is selected, select "addition".

႑

Large hot water consumption.

႑

Wait until the hot water has heated up. Temporarily increased hot
water capacity (temporary lux) can be activated in menu 2.1.

႑

Too low hot water setting.

႑

Enter menu 2.2 and select a higher comfort mode.

႑

Closed or choked filling valve for the hot water heater.

႑

Open the valve.

Low room temperature

႑

Closed thermostats in several rooms.

႑

See the Saving tips section on page 24 and menu 1.1 on page 29 for
more detailed information about how to best set the thermostats.

႑

Heat pump in incorrect operating mode.

႑

Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating“ in menu 4.9.2.

႑

If mode "manual" is selected, select "heating". If this is not enough,
select "addition".

႑

Too low set value on the automatic heating control.

႑

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

NIBE™ F470

Chapter 4 |

Disturbances in comfort

Summary of Contents for F470

Page 1: ...User manual LEK NIBE F470 Exhaust air heat pump AHB GB 1040 1 031572 ...

Page 2: ...e is reached when in the start mode in the main menu by pressing the OK button twice Read more about the settings on page 29 QFUHDVH KRW ZDWHU YROXPH 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 48 In event of disturbances in comfort If a disturbance in comfort of any...

Page 3: ...p the heart of the house 8 Heat pump function 9 Contact with F470 10 Maintenance of F470 19 3 F470 at your service 28 Set the indoor climate 28 Set the hot water capacity 47 Get information 53 Adjust the heat pump 58 4 Disturbances in comfort 68 Info menu 68 Manage alarm 68 Troubleshooting 70 5 Technical data 73 6 Glossary 74 Item register 79 1 NIBE F470 Table of Contents ...

Page 4: ...unications module SMS 40 20 min flow line temp 1 9 3 District heating mod ule FJVM 220 50 ventilation exhaust air fan fan speed normal mode 5 1 5 45 Supply air fan fan speed normal mode 5 1 6 Serial number must always be given Certification that the installation is carried out according to instructions in NIBE s installer manual and applicable regulations _________________________ Signed _________...

Page 5: ...person Caution This symbol indicates important information about what you should observe when maintaining your installation TIP This symbol indicates tips on how to facilitate using the product Marking F470 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 ...

Page 6: ... 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 to 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...

Page 7: ...s supplied with the product and that you have signed to say that you have received a full and clear 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 Sc...

Page 8: ...NIBE F470 Chapter 1 Important information 6 ...

Page 9: ... 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 F470 ႑ Integrated water heater There is a water heater integrated in the heat pump which is insulated with environmentally friendly cellular plastic for minimal heat los...

Page 10: ... 5 C 0 C 55 C 45 C Expansionsventil Kompressor A D F H I B C E G HDWLQJ PHGLXP ULQH 5HIULJHUDQW YDSRUDWRU RQGHQVHU SDQVLRQ YDOYH RPSUHVVRU HDW VRXUFH The temperatures are only examples and may vary between different installations and time of year NIBE F470 Chapter 2 The heat pump the heart of the house 8 ...

Page 11: ...ion air and starts to boil C The gas that is produced during boiling is routed into an electrically powered compressor When the gas is compressed the pressure increases and the gas s temperature increases considerably from 5 C to approx 80 C D From the compressor gas is forced into a heat exchanger condenser where it releases heat energy to the heat pump boiler section whereupon the gas is cooled ...

Page 12: ...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 60 Status lamp The status lamp indicates the status of the heat pump continuous green light during normal function continuous yellow light during activated...

Page 13: ... events ႑ see different types of alarms and receive instructions about how they are to be rectified 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 A Status lamp The status lamp indicates the status of th...

Page 14: ...l in menus and between options ႑ increase and decrease the values ႑ change page in multiple page instructions for example help text and service info E Switch The switch assumes three positions ႑ On ႑ Standby ႑ Emergency mode 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 no...

Page 15: ...RRU WHPSHUDWXUH VWLPDWHG DPRXQW RI KRW ZDWHU QIRUPDWLRQ DERXW RSHUDWLRQ INDOOR CLIMATE Setting and scheduling the indoor climate See page 28 Menu 1 HOT WATER Setting and scheduling hot water production See page 47 Menu 2 INFO Display of temperature and other operating information and access to the alarm log See page 53 Menu 3 HEAT PUMP Setting time date language display operating mode etc See page...

Page 16: ...ample 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 Blocking the compressor 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 This symbol indicates ...

Page 17: ...XV 6 PEROV ದ VXE PHQXV 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 15 NIBE F470 Chapte...

Page 18: ...nt selected option is indicated by a green tick To select another option Mark the applicable option One of the options is pre selected white 1 Press the OK button to confirm the selected option The selected option has a green tick 2 NIBE F470 Chapter 2 The heat pump the heart of the house 16 ...

Page 19: ...he background of the value becomes green which means that you have accessed the setting mode 2 Turn the control knob to the right to increase the value and to the left to reduce the value 3 Press the OK button to confirm the value you have set To change and return to the original value press the Back button 4 17 NIBE F470 Chapter 2 The heat pump the heart of the house ...

Page 20: ...ob 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 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 scrol...

Page 21: ... This is to ensure the continued efficient operation of your heat pump and that the warranty remains valid during the warranty period 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 Service hatch Behind the service hatch are the safety valves circulation pump etc Remove the hatch by pulling it tow...

Page 22: ...t in the ventilation air When it is time to clean an alarm indication occurs is displayed Factory setting for alarm indication is every three months 1 Set the switch to 2 Remove the upper front cover by pulling straight out 3 Pull out the filter cassette 4 Take out the filter and shake vacuum off any dirt Do not use water or other liquids for cleaning 5 Check that the filter is not damaged 6 Carry...

Page 23: ... heated causing the pressure to rise and the safety valve to open The climate system s safety valve must be completely sealed and not release any water The function of the safety valves must be checked regularly The valves are accessed via the service hatch Perform checks as follows 1 Open the valve by turning the knob anti clockwise carefully 2 Check that water flows through the valve 3 Close the...

Page 24: ... 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 NIBE F470 Chapter 2 The heat pump the heart of the house 22 ...

Page 25: ... the climate system or if bubbling sounds are heard from the heat pump the system may need venting This is carried out as follows 1 Turn off the power supply to the heat pump 2 Vent the heat pump via the vent valve and the rest of the climate system via the relevant vent valves 3 Vent the supply air battery via its vent valve 4 Keep topping up and venting until all air has been removed and the pre...

Page 26: ... temperature on a cold day If the setting was made on a hot day the ventilation may require adjustment If so contact your installer Also remember ႑ During the adjustment period winter time all thermostat valves should be fully open The heat pump s heating settings are then adjusted so that the correct indoor temperature is obtained in most rooms regardless of the outdoor temperature In rooms where...

Page 27: ...ated 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 Approx imate annual con sump tion kWh Normal Output W Equipment Standby Operation 380 2 200 Flat screen Operation 5 h day Standby 19 h day 90 10 11 Digital box Operation 5 h day Standby 19 h day 45 5 15 DVD Operation 2 h week 67 2 160 TV games console ...

Page 28: ... 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 Thi...

Page 29: ...fset and the building s thermostat valves because the heating system as a rule requires a lower temperature once the drying process is complete 27 NIBE F470 Chapter 2 The heat pump the heart of the house ...

Page 30: ...mate system ventilation Setting the fan speed The status information shows the selected setting scheduling Scheduling heating and ventilation Status information set is displayed if you set a schedule but it is not active now holiday setting is displayed if the vacation schedule is active at the same time as the schedule the vacation function is prioritised active displays if any part of the schedu...

Page 31: ...re 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 ...

Page 32: ...lly 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 ...

Page 33: ... 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 scheduling 31 NIBE F470 Chapter 3 F470 at your...

Page 34: ... to three time periods per day If a room sensor is installed and Menu 1 3 1 activated the desired room temperature C is set during the time period Without an activated room sensor the desired change is set of setting in menu 1 1 A one degree change in room temperature requires one increment for underfloor heating and approximately two to three increments for the radiator system If two settings con...

Page 35: ...eek the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting How much the heating curve is to be offset in relation ...

Page 36: ...haust air ventilation Increases or decreases in the ventilation to the accommodation can be scheduled here for up to two time periods per day Menu 1 3 3 If two settings conflict with each other a red exclamation mark is displayed at the end of the line DOO PRQ WXHV ZH WKXU IUL VDW VXQ DFWLYDWHG VFKHGXOH VFKHGXOH 6 8 1 9 17 7 21 VSHHG 7LPH SHULRG GMXVWLQJ D FWLYDWHG 6FKHGXOH RQIOLFW Schedule The sc...

Page 37: ...tends 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 DGYDQFHG KHDWLQJ FXUYH H WHUQDO DGMXVWPHQW PLQ IORZ OLQH WHPS URRP VHQVRU VHWWLQJV IDQ UHWXUQ WLPH RZQ FXUYH Menu 1 9 Menu advanced has orange text and is intended for the advanced user This ...

Page 38: ...ting curve Setting range 0 15 Default value 9 Menu 1 9 1 In the menu heating curve 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...

Page 39: ...der floor heating and how well insulated the house is The heating curve is set when the heating installation is installed but may need adjusting later Thereafter the heating curve should not need further adjustment Caution In the event of making fine adjustments for the indoor temperature the heat curve must be offset up or down instead this is done in menu 1 1 temper ature Curve offset An offset ...

Page 40: ...he 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...

Page 41: ...or left and read off the corres ponding flow temperature 5 Press the OK or Back button to exit read off mode 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 curve slope by one incr...

Page 42: ...rnal 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 s...

Page 43: ... to the climate sys tem This means that F470 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 summer You may also need to increase the value in stop heating menu 4 9 2 auto mode setting 41 NIBE F470 C...

Page 44: ...rs 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 heating curve s set offset If several climate systems are installed the above settings can be made for the relevant sys...

Page 45: ...ed 1 4 Setting range 1 99 h Default value 4 h Menu 1 9 6 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 43 NIBE F470 Chapter 3 F470 at your service ...

Page 46: ...W r r r r r r r 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 Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply Menu 1 9 7 NIBE F470 Chapter 3 F470 at your service 44 ...

Page 47: ...nge 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 chang...

Page 48: ...Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise NIBE F470 Chapter 3 F470 at your service 46 ...

Page 49: ...tatus information displays off or what length of time of the temporary temperature increase remains comfort mode Setting hot water comfort The status information displays what mode is selected economy normal or luxury scheduling 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 m...

Page 50: ...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 F470 returns to the mode set in menu 2 2 Select off to switch off temporary ...

Page 51: ... and is suitable for most households luxury Lux mode gives the greatest possible amount of hot water In this mode the immersion heater as well as the compressor is used to heat hot water which may increase operating costs NOTE In lux mode the heat pump prioritises hot water before room heating scheduling What hot water comfort the heat pump is to work with can be scheduled here for up to two diffe...

Page 52: ... 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 th...

Page 53: ...SHULRGLF LQFUHDVHV DFWLYDWHG SHULRG VWDUW WLPH 1H W SHULRGLF LQFUHDVH GD V period Setting range 1 90 days Default value 14 days start time Setting range 00 00 23 00 Default value 00 00 Menu 2 9 1 To prevent bacterial growth in the water heater the compressor and the immersion heater can increase hot water temperature at regular intervals 51 NIBE F470 Chapter 3 F470 at your service ...

Page 54: ... min Default value 3 min downtime Setting range 0 60 min Default value 12 min Menu 2 9 2 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...

Page 55: ...nd on the display to the right of the menus service info shows temperature levels and settings in the heat pump compressor info shows operating times number of starts etc for the com pressor add heat info displays information about the addition s operating times etc alarm log displays the latest alarm and information about the heat pump when the alarm occurred indoor temp log the average temperatu...

Page 56: ...c 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 Hot water Addition Ventilation compressor info FRPSUHVVRU LQIR VWDWXV QXPEHU RI VWDUWV WRWDO RSHUDWLQJ WLPH RI ZKLFK KRW ZDWHU LQLWLDWLQJ WLPH IDFWRU RI ZKLFK KRW ZDWHU KUV KUV Menu 3 2 NIBE F470 Chapter 3 F470 at your service 5...

Page 57: ...e control knob to scroll between the pages add heat info DGG KHDW LQIR VWDWXV WLPH IDFWRU RII Menu 3 3 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 55 NIBE F470 Chapter 3 F470 at your service ...

Page 58: ...ou 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 DODUP ORJ RXWGRRU WHPS KHDW PHGLXP IORZ KHDW PHGLXP UHWXUQ KRW ZDWHU FKDUJLQJ FRQGHQVHU RXW RSHUDWLQJ WLPH RS PRGH 7HPSHUDWXUH OLPLWHU DODUP r r r r PLQ RII r Information about an alarm Menu 3 4 NIBE F470 Chapter 3 F470 at your service 56 ...

Page 59: ...e is shown To read off an average temperature 1 Turn the control knob so that the ring on the shaft with the week number is marked 2 Press the OK button 3 Follow the grey line up to the graph and out to the left to read off the average indoor temperature at the selected week 4 You can now select to take read outs for different weeks by turning the control knob to the right or left and read off the...

Page 60: ...icons Settings regarding which icons in the heat pump s user interface that are to appear in the slot when the door is closed time date Setting current time and date language Select the language for the display here The status information shows the selected language holiday setting Vacation scheduling heating and ventilation Status inform ation set is displayed if you set a Vacation schedule but i...

Page 61: ...de and pressing the OK button When an operating mode is selected it shows what in the heat pump is permitted crossed out not permitted and selectable alternatives to the right To select selectable functions that are permitted or not you mark the function using the control knob and press the OK button Operating mode auto In this operating mode you cannot select which functions are to be permitted b...

Page 62: ...l 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 Caution If you deselect addition it may mean that insufficient hot water and...

Page 63: ... you selected first will disappear The icons are displayed in the order you selected them time date WLPH GDWH WLPH GD HDU PRQWK KUV K GDWH Menu 4 4 Set time and date and display mode here language ODQJXDJH Menu 4 6 Choose the language that you want the information to be displayed in here 61 NIBE F470 Chapter 3 F470 at your service ...

Page 64: ...ted the desired offset of the heat curve is set This setting applies to all climate systems without room sensors A one degree change in room temperature requires one increment for under floor heating and approximately two to three increments for the radiator system Vacation scheduling starts at 00 00 on the start date and stops at 23 59 on the stop date TIP Complete holiday setting about a day bef...

Page 65: ...Caution If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical addition is permitted to intervene When the compressor is blocked heat is not recovered from the exhaust air advanced DGYDQFHG DXWR PRGH VHWWLQJ IDFWRU VHWWLQJ XVHU VFKHGXOH EORFNLQJ RII Menu 4 9 Menu advanced has orange text and is intended for the advanced user This menu has several sub menus 63 ...

Page 66: ...perating mode is set to auto the heat pump selects when start and stop of additional heat and heat production is permitted dependent on the average outdoor temperature Select the average outdoor temperatures in this menu You can also set the time over which filtering time the average temperature is calculated If you select 0 the present outdoor temperature is used Caution It cannot be set stop add...

Page 67: ...RU VHWWLQJ XVHU HV QR Menu 4 9 4 All settings that are available to the user including advanced menus can be reset to default values here Caution After factory setting personal settings such as heating curves ventilation etc must be reset 65 NIBE F470 Chapter 3 F470 at your service ...

Page 68: ... 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 ...

Page 69: ...nging 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 Long term blocking can cause reduced comfort and operating economy 67 NIBE F470 Chapter 3 F470 at your service ...

Page 70: ... SUHVVXUH DODUP DODUP 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...

Page 71: ...e 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 al...

Page 72: ...porary lux can be activated in menu 2 1 ႑ Too low hot water setting ႑ Enter menu 2 2 and select a higher comfort mode ႑ Closed or choked filling valve for the hot water heater ႑ Open the valve Low room temperature ႑ Closed thermostats in several rooms ႑ See the Saving tips section on page 24 and menu 1 1 on page 29 for more detailed information about how to best set the thermostats ႑ Heat pump in ...

Page 73: ...perature 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 ႑ External switch for changing the room heating activated ႑ Check any external switches Low system pressure ႑ Not enough water in the heating system ႑ Top up the water in the heating system Low or a lack of ventilation ႑ Filt...

Page 74: ...attery ႑ Bleed the supply air battery ႑ Trim valve too restricted ႑ Contact your installer High supply air temperature ႑ Trim valve not sufficiently restricted ႑ Contact your installer The compressor does not start ႑ There is no heating requirement ႑ The heat pump does not call on heating nor hot water ႑ The heat pump defrosts ႑ Minimum time between compressor starts has not been reached ႑ Wait 30...

Page 75: ...5 Technical data Detailed technical specifications for this product can be found in the installa tion manual www nibe eu 73 NIBE F470 Chapter 5 Technical data ...

Page 76: ...lding is cooled or heated using radiators under floor coils or convector fans Compressor Compresses the gas state refrigerant When the refrigerant is compressed the pressure and the temperature increase Condenser Heat exchanger where the hot gas state refrigerant condenses cooled and becomes a liquid and releases heat energy to the house heating and hot water systems Disturbances in comfort Distur...

Page 77: ...orates by retrieving heat energy from the air which then cools Exhaust air The air that comes from the exhaust air device in the various rooms of the accommodation to F470 Exhaust air devices Vents usually in the ceiling in the kitchen bathroom clothes closet where the air is drawn in to be forwarded to F470 Expansion valve Valve that reduces the pressure of the refrigerant whereupon the temperatu...

Page 78: ...pump that it must produce a lot of heat when it is cold outdoors in order to achieve a warm indoor temperature Heating medium Hot liquid usually normal water which is sent from the heat pump to the house climate system and makes the accommodation warm The heating medium also heats the hot water Heating medium side Pipes to the house s climate system make up the heating medium side Hot water heater...

Page 79: ...ergy 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...

Page 80: ...r is blown out and aids in heating up the accommodation 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 NIBE F470 Chapter 6 Glossary 78 ...

Page 81: ...nu 18 I Important information 2 F470 An excellent choice 7 Installation data 2 Serial number 4 Warranty information 4 Information window 10 Installation data 2 M Maintenance of F470 19 Regular checks 19 Saving tips 24 Manage alarm 68 Menu system 13 Help menu 18 Operation 15 Scroll through the windows 18 Selecting menu 15 Selecting options 16 Setting a value 17 O OK button 12 Operation 15 P Power c...

Page 82: ...NIBE F470 Chapter 7 80 ...

Page 83: ......

Page 84: ...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 0 3 1 5 7 2 ...

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