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1. Chapter 5 Electrical connections 1 Insert the screwdriver and pry the catch carefully downwards 2 Angle out the cover and remove it Removing the cover base board Caution To remove the cover for the base board the cover for the input circuit board must first be removed 10 1 1 Insert the screwdriver and pry the catch carefully downwards B 2 Angle out the cover and remove it Cable lock Use a suitable tool to release lock cables in the heat pump terminal blocks F370 32 Connections NOTE A To prevent interference unscreened communic ation and or sensor to external connections cables must not be laid closer than 20 cm to high voltage cable when cable routing Power connection F370 must be installed
2. Electrical addition maximum output The immersion heater be set up to a maximum of 8 kW The delivery setting is 5 3 kW The immersion heater output is divided into steps accord ing to the table Setting maximum output in the electrical addition is done in menu 5 1 12 Power steps of the immersion heater Electrical addi Fusing A Max A tion kW The table displays the maximum phase current for the relevant electrical step for the heat pump NIBE F370 Emergency mode When the heat pump is set to emergency mode SF1 Is set to N only the most necessary functions are activated The compressor is off and heating is managed by the immersion heater NOTE A Switch SF1 must not be moved to I or A until F370 has been filled with water Otherwise the temperature limiter thermostat and the im mersion heater can be damaged Power in emergency mode The immersion heater s output in emergency mode is set with the dipswitch S2 on the immersion heater circuit board AA1 according to the table below Factory setting Is 5 3 kW The image shows the dip switch 1 52 in the factory setting that is 5 3 kW Chapter 5 Electrical connections 24 Optional connections External connection options F370 has software controlled inputs and outputs on the input card AA3 for connecting th
3. Chapter 2 Delivery and handling 3 The heat pump design UR1 SF1 AA4 XJ4 AA4 XJ3 GQ2 BP1 1 QN1 BT2 t 3 EM 55 ES xe item 8 L e p 5 Dom d 1 01 52 UO 2 7 p 5 24 AA C ae E a ER WM2 WM1 NIB IC Chapter 3 The heat pump 10 Pipe connections XL 1 Connection heating medium flow line XL 2 Connection heating medium return line XL 3 Connection cold water XL 4 Connection hot water XL 8 Connection docking in XL10 Connection draining heating medium XL31 Ventilation connection exhaust air XL32 Ventilation connection extract air HVAC components 1 Expansion vessel FL 1 Expansion relief valve safety valve hot water heater FL 2 Safety valve climate system 5 T amp P valve FL 6 Vacuum valve GP 1 Circulation pump QM 10 Filler valve hot water heater QM 11 Filler valve climate system QM 13 Filler valve 2 climate system QM 20 Venting climate system QM 31 Shut off valve heating medium flow QM 32 Shut off valve heating medium return QN 11 Shunt valve QN 17 Press
4. 1 0 sy 1 Chapter 5 Electrical connection 25 Connecting accessories Instructions for connecting accessories are provided in the manual accompanying the accessory See page 58 for the list of the accessories that can be used with F370 26 Chapter 5 Electrical connections NIBE F370 6 Commissioning and adjusting Preparations 1 Check that the switch SF1 is in position O 2 Check that the filling valve QM1 1 is fully closed and that the temperature limiter FD1 has not deployed Caution Check the temperature limiter FD1 and mini ature circuit breaker FA1 in the heat pump They may have tripped during transportation Filling and venting Filling the hot water heater 1 Open a hot water tap in the house 2 Open the externally mounted filler valve This valve should then be fully open during operations 3 When water comes out of the hot water tap the hot water heater is full and the tap can be closed Filling the climate system 1 Checkthat the shut off valves for the heating system QM31 and QM32 are open 2 Open the venting valve QM20 3 Checkifthe flexi hose supplied is connected between connection QM 1 1 and connection QM 13 Adjust the hose if this has not been done 4 Open the filler valves QM11 QM13 The boiler unit and the rest of t
5. NIBE Installer manual NIBE F370 Exhaust air heat pump IHB GB 1301 4 031546 Ok button confirm select Back button back undo exit Control knob move increase reduce A detailed explanation of the button functions be found on 31 How to scroll through menus and make different settings is described on page 33 Set the indoor climate The mode for setting the indoor temperature is reached when in the start mode in the main menu by pressing the OK button twice Read more about the settings on page 35 Increase hot water volume gt 1X 7 e To temporarily increase the amount of hot water first turn the control knob to mark menu 2 water droplet and then press the OK button twice Read more about the settings on 42 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 56 for instructions Table of Contents 1 Important information 2 Safety information 2 2 Delivery and handling 8 Transport 8 Assembly 8 Supplied components 9 Removing the covers 9 Removing parts of the insulation 9 3 The heat pump design 10 4 Pipe and ventilation connec tions 12 General pipe connections 12 Dimensions and pipe connections 14 Symbol ke
6. 0 6 Low pressure alarm info action reset alarm aid mode In the event of an alarm some kind of malfunction has occurred which is indicated by the status lamp changing from green continuously to red continuously In addition an alarm bell appears in the information window Alarm In the event of an alarm with a red status lamp a malfunc tion has occurred that the heat pump cannot remedy it self In the display by turning the control knob and pressing the OK button you can see the type of alarm it is and reset it You can also choose to set the heat pump to aid mode info action Here you can read what the alarm means and receive tips on what you can do to correct the prob lem that caused the alarm reset alarm In most cases it is enough to select reset alarm to correct the problem that caused the alarm If a green light illuminates after selecting reset alarm the alarm has been remedied If a red light is still visible and a menu called alarm is visible in the display the prob lem that caused the alarm remains If the alarm disappears and then returns see the troubleshooting section page 56 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 run ning In this case the immersion heater produces heat and or hot water
7. xm Open the circuit by cutting or burnino Collect the refrigerant in the intended container Flush the system with oxygen free nitrogen to make the device safe This process may need to be repeated several times Compressed air and oxygen may not be used Flush the system by breaking the vacuum with oxygen free nitrogen and filling the system to working pressure relieving the pressure to atmospheric pressure and finally pumping to vacuum Repeat the process until no refriger ant remains in the system After the final filling of oxygen free nitrogen relieve the pressure in the system to atmo spheric pressure so that work can be carried out This type of flushing must be carried out if hot work is to be performed on the pipe system Ensure that the vacuum pump s outlet is not near to igni tion sources and that there is satisfactory ventilation by the outlet Filling In addition to the conventional filling procedures the following actions must be taken Ensure that different refrigerants are not mixed when filling equipment is used Hoses and lines must be as short as possible to minimise the enclosed refrigerant volume Containers must be stored upright Ensure that the cooling system is grounded before the system is filled with refrigerant Mark the system once filling is complete if not already marked Take extra care not to overfill the cooling system Before refilling the sy
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9. GP1 SF4 Capacity circulation pump Pressure kPa 60 50 40 30 20 _ I Flow l s Chapter 6 Commissioning and adjusting 29 30 Output circulation pump Power output W 50 45 40 35 30 25 ll 20 15 10 0 0 0 05 0 11 0 16 0 22 0 27 0 33 0 38 Flow l s Post adjustment venting Air is initially released from the hot water and venting may be necessary If gurgling sounds be heard from the heat pump or climate system the entire system will require additional venting Vent the heat pump through venting valve QM2 1 When venting F370 must be off Chapter 6 Commissioning and adjusting F370 7 Control Introduction Display unit A Display Status lamp C OK button D Back button Control knob Switch Display Instructions settings and operational information are shown on the display The easy to read dis play and menu system facilitates navigation between the different menus and options to set the comfort or obtain the information you re quire Status lamp The status lamp indicates the status of the heat pump It lights green during normal operation lights yellow in emergency mode lights red in the event of a deployed alarm OK button The OK bu
10. So woe a wig N ae L We N 6 5 VJ 40 NN DE ss HL W rss rn ic Arn in yan ri TW cti 6 Commissioning an Jusung 27 28 om g navem 1 m li GAl m E aa E 2 mm E ee Yann ImSnecTt eon Ilu H E BU h p iw id AP Was ts M B Start guide NOTE There must be water in the climate system be fore the switch is set to I Turn the heat pump s switch SF1 to I 2 Follow the instructions in the start guide in the heat pump display If the start guide does not start when you start the heat pump start it manually in menu 5 7 TIP 224 Y See page 31 for a more in depth introduction to the heat pumps control system operation menus etc Commissioning The first time the heat pump is started a start guide is started The start guide instructions state what needs to carried out at the first start together with a run through of the heat pump s basic settings The start guide ensures that the start up is carried out correctly and cannot be bypassed The start guide can be started later in menu 5 7 Caution As long as the start guide is active no function in the heat pump will start automatically The guide will
11. start updating Select start updating if you want to start the update You are asked whether you really want to update the software Respond yes to continue or no to undo If you responded yes to the previous question the up date starts and you can now follow the progress of the update on the display When the update is complete F370 restarts software update does not reset the menu settings in F370 N NOTE If the update is interrupted before it is complete for example power cut etc the software can be reset to the previous version if the OK button is held in during start up until the green lamp starts to illuminate takes about 10 seconds choose another file update firmware 7 1 r1 product Heatpump j version 71e inta Minor changes Tile 2 nike file4 nibe Tflelrube Select choose another file if you do not want to use the suggested software When you scroll through the files information about the marked software is shown in a fact box just as before When you have selected a file with the OK button you will return to the previous page menu 7 1 where you can choose to start the up date Menu 7 2 logging logging 7 2 activated interval Setting range 1 s 60 min Default setting range 5 s Set whether the present measurement values from F370 are to be saved in a log on the USB memory Log for longer periods 1 Set the desi
12. Changes of temperature in accommodation take time For example short time periods in combin ation with underfloor heating will not give a noticeable difference in room temperature If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical ad dition is permitted to intervene When the com pressor is blocked heat is not recovered from the exhaust air Menu 1 3 3 ventilation Increases or decreases in the ventilation to the accommod ation can be scheduled here for up to two time periods per day If two settings conflict with each other a red exclamation mark is displayed at the end of the line Activated Schedule 21 30 06 00 speed 3 Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a partic ular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting 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
13. DENCHINGS THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Benchmark places responsibilities on both manufacturers and installers the purpose is to ensure that customers are provided with the correct equipment for their needs that it is installed commissioned and serviced in accord ance with the manufacturers instructions by competent persons and that it meets the requirements of the appro priate Building Regulations The Benchmark Checklist can be used to demonstrate compliance with Building Regu lations and should be provided to the customer for future reference Installers are required to carry out the installation com missioning and servicing work in accordance with the Benchmark Code of practice which is available from the Heating and Hotwater Industry Council who manage and promote the Scheme Visit www centralheating co uk for information Electrical Supply The heat pump must be permanently connected to a 230V 50Hz supply All system components shall be of an approved type and all wiring to current l E E wiring regulations Chapter 1 Important inf External wiring must be correctly earthed polarised and in accordance with the relevant standards Currently this Is BS 7671 Domestic Hot Water All domestic hot water circuits connections and fittinos must be in accordance with the relevant standards and water supply regulations It shoul
14. L E Press the OK button to confirm the value you T have set To change and return to the original value press the Back button 04 ad Chapter 7 33 34 Scroll through the windows A menu can consist of several windows Turn the control knob to scroll between the windows Current menu Number of windows window in the menu Scroll through the windovvs in the start guide Arrows to scroll through window in start guide 1 Turn the control knob until one of the arrows in the top left corner at the page number has been marked 2 Pressthe OK button to skip between the steps in the start guide Help menu pu In many menus there is a symbol that indicates that extra help is available To access the help text 1 Use the control knob to select the help symbol 2 Press the OK button The help text often consists of several windows that you can scroll between using the control knob Chapter 7 8 Control Menus Menu 1 INDOOR CLIMATE 1 INDOOR CLIMATE 1 2 ventilation 1 3 scheduling 1 9 advanced Sub menus For the menu there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Setting the temperature for the climate system The status information shows the set values for the climate system Setting the fan speed The status information shows the selected setting Scheduling heating and ventilati
15. Menu 5 5 factory setting service All settings can be reset including settings available to the user to default values here NOTE When resetting the start guide is displayed the next time the heat pump is restarted Menu 5 6 forced control You can force control the different components in the heat pump and any connected accessories here Menu 5 7 start guide When the heat pump is started for the first time the start guide starts automatically Start it manually here See page 28 for more information about the start guide Chapter 8 Control Menu 5 8 quick start It is possible to start the compressor from here Caution There must be a heating or hot water demand to start the compressor Caution Do not quick start the compressor too many times in succession over a short period of time as this may damage the compressor and its an cillary equipment Menu 5 9 floor drying function length of period 1 3 5 7 Setting range 0 30 days Default value 2 days temp period 1 3 5 7 Setting range 15 70 C Default value temp period 1 20 temp period 2 2076 temp period 3 40 C temp period 5 40 temp period 6 30 C temp period 7 20 C length of period 4 Setting range 0 30 days Default value 3 days temp period 4 Setting range 15 70 C Default value 45 C Set the function for under floor drying here You can set up to seven period times with different cal
16. 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 circula tion pump must run per operating instance downtime decide how long the hot water circulation pump must be stationary between operating instances Chapter 8 Control Menu 43 44 Menu 3 INFO 3 INFO 3 1 service info 3 2 compressor info 3 3 add heat info 3 4 alarm log 3 5 indoor temp log Sub menus For the menu there are several sub menus No settings can be made in these menus they just display 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 49119 66 816 shows operating times number of starts etc for the compressor displays information about the addition s operating times etc displays the latest alarm and information about the heat pump when the alarm occurred 819 91910 15144197 197 the average temperature indoors week by week during the past year Menu 3 1 service info Information about the heat pump s actual operating status e g current temperatures etc can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Heating
17. Exhaust air device blocked or throttled down too much m Check and clean the exhaust air devices Fan speed in reduced mode Enter menu 1 2 and select normal External switch for changing the fan speed activated m Check any external switches High or distracting ventilation The ventilation is not adjusted Order implement ventilation adjustment Fan speed in forced mode Enter menu 1 2 and select normal External switch for changing the fan speed activated m Check any external switches Filter HQ10 blocked m Clean or replace the filter NIBE M F370 The compressor does not start There is no heating requirement The heat pump does not call on heating nor hot water The heat pump defrosts Temperature conditions tripped m Wait until the temperature condition has been reset Minimum time between compressor starts has not been reached Wait 30 minutes and check if the compressor has started Alarm tripped m Follow the display instructions n comfort Chapter 10 Disturbances i 57 58 11 Accessories Base extension EF 45 Part no 067 152 Communications module SMS 40 SMS 40 enables operation and monitoring of F370 via a GSM module using a mobile phone via SMS messages If the mobile telephone also has the Android operating system the mobile application NIBE Mobile App can be used Part no 067 073 Docking kit DEH There are separate docking kits a
18. 70 60 Maximum value Minimum value 10 0 10 20 30 409 Outdoor temperature Because the flow line temperature cannot be calculated higher than the set maximum value or lower than the set minimum value the heating curve flattens out at these temperatures gt Caution Underfloor heating systems are normally set between 35 and 45 pt Check the max temperature for your floor with your installer floor supplier The figure at the end of the curve indicates the curve slope The figure beside the thermometer gives the curve offset Use the control knob to set a new value Confirm the new setting by pressing the OK button Curve 0 is an own heating curve created in menu 1 9 7 To select another heat curve slope NOTE If you only have one heating system the number of the curve is already marked when the menu window opens 1 Select the system if more than one for which the heat curve is to be changed 2 When the system selection has been confirmed the heat curve number is marked 3 Press the OK button to access the setting mode Select a new heating curve The heat curves are numbered from 0 to 15 the greater the number the steeper the slope and the greater the supply temper F370 ature Heating curve 0 means that menu 1 9 7 is used 5 Press the OK button to exit the setting To read off a heating curve 1 Turn the control knob so
19. Activated Schedule schedule 2 gj activated 1400 1620 Conflict Day Time period Blocking Schedule The period to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a partic ular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Blocking The desired blocking is selected here 9 Blocking the compressor Blocking additional heat TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time Is set for Caution Long term blocking can cause reduced comfort and operating economy Chapter 8 Co 47 48 Menu 5 SERVICE 5 SERVICE 5 2 system settings 5 3 accessory settings 5 4 soft in outputs 5 1 operating settings Overview 5 1 1 hot water settings 5 1 2 max flow line temperature 5 1 4 alarm actions 5 1 5 fan sp
20. Switch for external blocking of heating 24 F Filling and venting 27 Filling the climate system 27 Filling the hot water heater 27 Venting the climate system 27 Filling the climate system 27 Filling the hot water heater 27 H Handling 2 Heating medium side 15 Help menu 28 34 Important information 2 Safety information 2 Inspection of the installation 7 Installation alternative 16 Connecting hot water circulation 16 Extra hot water heaters 16 Two or more climate systems 16 Water heater with immersion heater 16 Installation area 8 M Manage alarm 56 Marking 2 Menu 1 INDOOR CLIMATE 35 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT 45 Menu 5 SERVICE 48 Menu system 32 Help menu 28 34 Operation 33 Scroll through the windows 34 Selecting menu 33 Selecting options 33 Setting a value 33 Miniature circuit breaker 19 O OK button 31 Operation 33 Optional connections 24 Outdoor sensor 21 Pipe and ventilation connections 12 Adjusting ventilation 18 Cold and hot water 15 Connecting cold and hot water 15 Connecting the climate system 15 Dimensions and pipe connections 14 Exhaust air duct 17 General pipe connections 12 General ventilation connection 17 Heating medium side 15 Installation alternative 16 Maximum boiler and radiator volumes 13 Pipe dimensions 14 Setting out dimensions 14 Symbol key 15 System diagram 13 Ventilation flow
21. culated flow temperatures If less than seven periods are to be used set the remaining period times to 0 days Mark the active window to activate the under floor drying function A counter at the bottom shows the number of days the function has been active TIP N Y If operating mode add heat only is to be used select it in menu 4 2 270 Agiri Menu 5 10 change log Read off any previous changes to the control system here The date time and ID no unique to certain settings and the new set value is shown for every change NOTE The change log is saved at restart and remains unchanged after factory setting F370 Chapter 8 Control Menus 51 52 9 Service Service actions NOTE AN Servicing should only be carried out by persons with the necessary expertise When replacing components on F370 only re placement parts from NIBE may be used NOTE If an electrical connection has been disconnected and is connected ground must be checked using a suitable multimeter NOTE An immersion heater without a temperature limiter is not allowed to be installed NOTE After servicing complete the relevant Service Interval Record section of the Benchmark Checklist located at the back of this document gt Completion of the Service Interval Record 15 a condition of warranty For full terms and condi tions of warranty please see our website www nibe co uk
22. 31 Switch for external blocking of addition and or compressor 24 Switch for external blocking of heating 24 Symbol key 15 Symbols 2 System diagram 13 E Technical data 59 Dimensions and setting out coordinates 59 Electrical circuit diagram 62 Technical Data 60 Technical Data 60 Temperature limiter 19 Resetting 19 Temperature limiter compressor 19 Resetting 19 Temperature sensor data 53 The heat pump design 10 Component locations 10 List of components 11 Transport 8 Troubleshooting 56 U USB service outlet 54 V Ventilation flow 18 Venting the climate system 27 Chapter 13 Item register 69 EXHAUST AIR HEAT PUMP COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the heat pump and associated equipment as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference Failure to install and commission this equipment to the manufacturer s instructions may invalidate the warranty but does not affect statutory rights Customer Name Address Telephone Number Heat Pump Make and Model Heat Pump Serial Number Commissioned by print name Certified Operative Reg No 1 Company Name amp Address Commissioning Date Telephone No Building Regulations Notification Number
23. Chapter 10 Caution Selecting aid mode is not the same as correct ing the problem that caused the alarm The status lamp will therefore continue to be red 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 SF1 position Group and main fuses of the accommodation The property s earth circuit breaker The heat pump s miniature circuit breaker FA1 The heat pump s temperature limiter FD1 Correctly set load monitor if installed Low hot water temperature or a lack of hot water Closed or choked filling valve for the hot water heater m Open the valve Heat pump in incorrect operating mode Enter menu 4 2 If mode auto is selected select a higher value on stop additional heat in menu 4 9 2 f mode manual is selected select addition Large hot water consumption m Wait until the hot water has heated up Tempor arily increased hot water capacity temporary lux can be activated in menu 2 1 Too low hot water setting Enter menu 2 2 and select a higher comfort mode Low room temperature Closed thermostats in several rooms m See the Saving tips section in the User manual for more detailed information about how to best set the thermostats Heat pump in incorrect operating mode Enter menu 4 2 If mode auto is se
24. It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed Service Provider Before completing the appropriate Service Interval Record below please ensure you have carried out the service as described in the manufacturer s instructions Always use the manufacturer s specified spare part when replacing controls Service 1 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 3 _ Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 5 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 7 _ Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 9 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 2 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 4 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 6 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Service 8 Date Engineer Name Company Nam
25. Maintenance General inspection Check the following 1 Condition of casing 2 Electrical connections 3 Pipe connections 4 Alarm log Correct any fault before continuing Hot water heater Check the following Hot water start and stop temperature Pressure controlled bypass valve T amp P valve Overflow pipe prole ee iS Pressure expansion vessel Correct any fault before continuing Climate system Check the following 1 Climate system start and stop temperature Chapter 9 Service Heating curve settinos Function of the room sensor if installed Limiting valve settings System pressure Flow and return temperature The difference must be 5 10 ZH 52 dw Correct any fault before continuing Emergency mode Emergency mode is used in event of operational interfer ence and in conjunction with service Emergency mode is activated by setting switch SF1 to AN This means that The status lamp illuminates yellow The display is not lit and the control computer is not connected The temperature in the heat pump boiler section is controlled by a fixed thermostat BT30 at 63 C The compressor is off and only the fan heating medi um pump and the electrical addition are active The electrical addition power in emergency mode is set in the immersion heater card AAT See page 23 for Instructions The automatic heating control system is not operation al so manual s
26. UM 5 pex33u 9 5 1189 5 9 5 AS JE 9 zu MEE 60LM LO0L3d LOLM aul Yd EVV Y 8 ND El cl Ll E E Chapter 12 66 OLE MA8 AOECXL AV 19510 N3Q3MS QA Vola VW gv JaN 5 sa3e doy 9 9905 A FWOD JL 5 Ae dSsig V Jd YV E V 67 Chapter 12 68 13 Item register Item register A Accessibility electrical connection 20 Accessories 58 Adjusting ventilation 18 Assembly 8 B Back button 31 C Cable lock 20 Cold and hot water 15 Commissioning and adjusting 27 Filling and venting 27 Preparations 27 Start guide 28 Start up and inspection 28 Connecting accessories 26 Connecting cold and hot water 15 Connecting the climate system 15 Connections 21 Contact for activation of fan speed 25 Contact for activation of external adjustment 24 Contact for activation of temporary lux 24 Contact for external tariff blocking 24 Control 31 35 Control Introduction 31 Control Menus 35 Control Introduction 31 Display unit 31 Menu system 32 Control knob 31 Control Menus 35 Menu 1 INDOOR CLIMATE 35 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT PUMP 45 Menu 5 SERVICE 48 D Delivery and handling 8 Assembly 8 Installation area 8 Removing parts of the insulation 9 Removi
27. by the customer on receipt of a Building Regulations Compliance Certificate Building Regulations Notification Number if applicable ALL SYSTEMS PRIMARY SETTINGS indirect heating only Is the primary circuit a sealed or open vented system Sealed What is the maximum primary flow temperature C ALL SYSTEMS What is the incoming static cold water pressure at the inlet to the system Has a strainer been cleaned of installation debris if fitted Yes LI No m Is the installation in a hard water area above 200ppm Yes m No If yes has a water scale reducer been fitted Yes What type of scale has been fitted What is the hot water thermostat set temperature C What is the maximum hot water flow rate at set thermostat temperature measured at high flow outlet Time temperature controls been fitted compliance with Part L of the Building Regulations Yes Type of control system if applicable Y Plan S Plan Other Is the cylinder solar or other renewable compatible Yes What is the hot water temperature at the nearest outlet C All appropriate pipes have been insulated up to 1 metre or the point where they become concealed Yes UNVENTED SYSTEMS ONLY Where is the pressure reducing valve situated if fitted What is the pressure reducing valve setting Has a combined temperature and pressure relief valve and
28. exhaust air 5 1 12 internal electrical addition 5 1 99 other settings 5 3 3 extra climate system 5 5 factory setting service 5 6 forced control 5 7 start guide 5 8 quick start 5 9 floor drying function 5 10 change log Accessory needed Hold the Back button in for 7 seconds to access the Ser vice menu Sub menus Menu has orange text and is intended for the advanced user This menu has several sub menus Status information for the relevant menu can be found on the display to the right of the menus Operating settings for the heat pump S NE System settings for the heat pump ac tivating accessories etc 2 86 1 51016 21 14414165 Operational settings for different ac cessories 20 88 Setting software controlled in and out puts on the input circuit board AA3 1 Total reset of all settings including settings available to the user to default values 19146 19 Forced control of the different compon ents in the heat pump Manual start of the start guide which is run the first time the heat pump is started 3619 Quick starting the compressor NOTE Incorrect settings in the service menus damage the heat pump Chapter 8 Control Menus Menu 5 1 operating settings Operating settings can be made for the heat pump in the sub menus Menu 5 1 1 hot water settings economy Setting range start temp ec
29. is roughly set at installation it is import ant that a ventilation adjustment is ordered and permit ted NOTE AN Order a ventilation adjustment to complete the setting Available pressure Pa 450 Fan diagram F370 400 350 300 9096 10096 250 8096 200 150 100 50 0 20 40 60 80 100 120 Flow I s Power output W Power direct current fan 9096 10096 8096 60 40 Airflow 0 20 40 60 80 100 120 8 NIDETM 71 F370 Commissioning without fan The heat pump can be run without recovery as only an electric boiler to produce heat and hot water for ex ample before the ventilation installation is complete Enter menu 4 2 op mode and select add heat only Then enter menu 5 1 5 fan sp exhaust air and reduce the fan speed to 090 NOTE Select operating mode auto manual when the heat pump 15 to run on recovery again Setting the pump speed The speed of the circulation pump GP1 is set using the switch GP1 SF4 on the pump so that it achieves the projected flow for the house Set the speed on the heating medium pump GP1 using the switch GP1 SF4 on the pump Select speed Il or You see the speed selected on the left above the switch The display to the right above the switch must not be illuminated at all w ef eb p
30. is too low increase the value in menu 1 1 by one increment If it is warm outdoors and the room temperature is too high reduce the value in menu 1 1 by one increment Menu 1 2 ventilation Setting range normal and speed 1 4 Default value normal The ventilation in the accommodation can be temporarily increased or reduced here When a new speed has been selected a countdown is initiated When the time has counted down the ventila tion speed returns to the normal setting After 4 hours the ventilation speed returns to the normal setting If necessary the different return times can be changed in menu 1 9 6 The fan speed is shown in brackets in percent after each speed alternative TIP N Y If longer time changes are required use the hol iday function or scheduling Menu 1 3 scheduling In the menu 8471718 indoor climate heating ventila tion is scheduled for each weekday You can also schedule a longer period during a selected period vacation in menu 4 7 Menu 1 3 1 heating Increases or decreases in the accommodation temperature can be scheduled here for up to three time 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 A one degree change in room temperature requires one increment for underfloor Chapter 8 Contro heating and a
31. not be made by children without su pervision Rights to make any design or technical modifications are reserved ONIBE 2013 Symbols NOTE This symbol indicates danger to machine person ER Caution This symbol indicates important information about what you should observe when maintain ing your installation TIP Y This symbol indicates tips on how to facilitate using the product Marking F370 is CE marked and fulfils IP21 The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relev ant EU directives The CE mark is obligatory for most products sold in the EU regardless where they are made IP21 means that the product can be touched by hand that objects with a diameter larger than or equivalent to 12 5 mm cannot penetrate and cause damage and that the product is protected against vertically falling drops Handling The heat pump contains highly flammable refrigerant Special care should be exercised during handling install ation service cleaning and scrapping to avoid damage to the refrigerant system and in doing so reduce the risk of leakage Chapter 1 Important information NOTE A Work on the refrigerant system must be done by authorised personnel in accordance with the relevant legislation on refrigerants supplemen ted by additional requirements for flammable gas for example product knowledge as well as service instructi
32. via an isolator switch with a min imum breaking gap of 3mm Minimum cable area must be dimensioned according to the fuse rating used Sup plied cable length approx 2 m for incoming electricity is connected to terminal block X1 on the immersion heater card AA1 The connection cable can be found on the reverse of F370 see dimensions diagram below UB1 and UB2 1670 Power supply cable 300 50 30 _ Connection 1x230V AAT X1 E T 4 D 5 Tariff control If the voltage to the immersion heater and or the com pressor disappears during a certain period there must also be blocking via the AUX input see Connection options Possible selection for AUX inputs NIBE F370 Outside sensor Install the outside temperature sensor BT1 in the shade on a wall facing north or north west so it is unaffected by the morning sun Connect the sensor t
33. 1 1 switch SF1 must be moved or until the boiler has been filled with water Otherwise the temperature limiter thermostat and the immersion heater can be damaged NOTE Electrical installation and service must be carried out under the supervision of a qualified electri cian Cut the current with the circuit breaker before carrying out any servicing Electrical in stallation and wiring must be carried out in ac cordance with the stipulations in force N TM E270 Miniature circuit breaker Operation 230 V fan compressor circulation pump etc are internally fused by a miniature circuit breaker 1 Temperature limiter The temperature limiter FD1 cuts the current supply to the electrical addition if the temperatur
34. 18 Pipe dimensions 14 Possible selection for AUX inputs 24 Possible selection for AUX output potential free variable relay 25 Post adjustment and bleeding Pump capacity diagrams heating medium side 29 Power connection 21 Preparations 27 Pump capacity diagrams heating medium side 29 R Removing parts of the insulation 9 Removing the cover base board 20 Removing the cover immersion heater circuit board 20 Removing the covers 9 Removing the hatch input circuit board 20 Room sensor 22 S Safety information 2 Handling 2 Inspection of the installation 7 Marking 2 Safety precautions 2 Serial number 5 Symbols 2 Safety precautions 2 Collection 5 Decommissioning 4 Filling 4 Leak testing 4 Marking 5 Removal and draining 4 F370 Repairing sealed components 2 When working in the refrigerant circuit 2 Wiring 2 Scroll through the windows 34 Selecting menu 33 Selecting options 33 Serial number 5 Service 52 Service actions 52 Service actions 52 Draining the climate system 53 Draining the hot water heater 52 Standby mode 52 Temperature sensor data 53 USB service outlet 54 Setting a value 33 Setting out dimensions 14 Settings 23 Standby mode 52 Power in emergency mode 23 Start guide 28 Start up and inspection 28 Commissioning without fan 29 Setting the pump speed 29 Setting the ventilation 29 Status lamp 31 Supplied components 9 Switch
35. EN 255 36 Stainless steel Tap volume 40 C at Normal comfort V max COP at Normal comfort COP 2 8 Idle loss at Normal comfort 54 Heating time from 15 C to 60 C Reheating time to 60 C 7096 of total volume 57 Dimensions and weight 600 616 2100 2125 2270 205 1A20 12 W35 exhaust air flow 200 m h 2A20 12 W45 exhaust air flow 150 m3 h 3A20 12 W55 exhaust air flow 110 m3 h 066 041 4The value varies with the selected fan curve For more extensive sound data including sound to channels visit www nibe eu The value can vary with the room s damping capacity These values apply with a damping of 4 dB 6 20 12 exhaust air flow150 m3 h NIBETM F370 Chapter 12 Technical data Electrical circuit diagram 1x230V 0 8805 TE OLEJ n MJB AOEZXL ses lt gt payday 894 JX N 9 Y w A 13S MALI Z 9 72 MALI J M0d VJd LYY NIB INTI Chapter 12 Technical 62 OLE MA8 AQECXL JSVd N3Q3MS QAM Vola VW gv JdlN uBisag sa3eday paxpeu 9905 Ll ELX Nenen 9 7 V vos US H QNS
36. Py Hot water Symbols in this menu a Compressor Addition l m Ventilation Menu 3 2 compressor info Information about the compressor s operating status and statistics can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Menu 3 3 add heat info Information about the additional heat settings operating status and statistics can be obtained here No changes can be made The information is on several pages Turn the control knob to scroll between the pages Chapter 8 Control Menus Overview Menu 3 4 alarm log To facilitate fault finding the heat pump operating status at alarm alerts is stored here You can see information for the 10 most recent alarms To view the run status in the event of an alarm mark the alarm and press the OK button Menu 3 5 indoor temp log Here you can see the average temperature indoors week by week during the past year The dotted line indicates the annual average temperature The average outdoor temperature is only shown if a room temperature sensor room unit is installed Otherwise the exhaust air temperature is shown To read off an average temperature 1 Turn the control knob so that the ring on the shaft with the week number is marked Press the OK button Follow the grey line up to the graph and out to the left to read off the average indoor temperature at the selected wee
37. Setthe vent valve for the climate system QM20 in the open position for air supply Temperature sensor data Temperature Resistance Voltage VDC CC kOhm NIBETM F370 Chapter 9 Service USB service outlet F370 is equipped with a USB socket in the display unit This USB socket can be used to connect a USB memory to update the software save logged information and handle the settinos in F370 INDOOR CLIMATE HOT WATER HEAT PUMP update firmware logging 3 manage settings When a USB memory is connected a new menu menu 7 appears in the display 54 Chapter 9 7 1 update firmware update firmware 7 1 product Heatpump version 716 info Minor changes start updating choose another file This allows you to update the software in F370 f NOTE For the following functions to work the USB memory must contain files with software for F370 from NIBE The fact box at the top of the display shows information always in English of the most probable update that the update software has selected form the USB memory This information states which product the software is in tended for the software version and general information about them If you wish to select another file than the one selected the correct file can be selected by choose another file
38. appear at each heat pump restart until it is deselected on the last page Operation in the start guide Page Name and menu number start guide NIBE F370 DEI Jceskwy _ deutsch SEE ENTE K J eesti Option setting Help menu Chapter 6 Page Here you can see how far you have come in the start guide Scroll between the pages of the start guide as follows 1 Turn the control knob until one of the arrows in the top left corner at the page number has been marked 2 Press the OK button to skip between the pages in the start guide Name and menu number Read what menu in the control system this page of the start guide is based on The digits in brackets refer to the menu number in the control system If you want to read more about affected menus either read off in the sub menu or in the installation manual from page 35 Option setting Make settings for the system here Help menu Wi In many menus there is a symbol that indicates that 2 extra help is available ts To access the help text 1 Use the control knob to select the help symbol 2 Press the OK button The help text often consists of several windows that you can scroll between using the control knob Setting the ventilation The factory setting for ventilation on the heat pump 15 high Ventilation must be set according to applicable norms The setting is made in menu 5 1 5 Even if ventilation
39. ary between different installations Always use a kitchen fan when cooking NOTE A duct in a masonry chimney stack must not be used for extract air NIBETM F370 Extract air 1135 Exhaust air Chapter 4 Pipe and ventilation connections 17 18 Ventilation flow Connect F370 so that all exhaust alr except exhaust air duct air kitchen fan passes the evaporator EP1 in the heat pump Lowest ventilation flow must fulfill applicable norms For optimum heat pump performance the vent ilation flow should not be less than 28 1 5 100 m3 h at an exhaust air temperature of at least 20 C On occasions when the exhaust air temperatures are lower than 20 C for example on start up and when there is no one in the accommodation the minimum value is 31 1 5 110 m3 h The heat pumps installation area should be ventilated with at least 5 1 5 18 m3 h The installation area must have a volume of at least 8 m3 Ensure that the ventilation openings are not blocked Set the ventilation capacity in the heat pump s menu system menu 5 1 5 Adjusting ventilation To obtain the necessary air exchange in every room of the house the exhaust air devices must be correctly posi tioned and adjusted and the fan in the heat pump adjus ted The factory setting for the ventilation on the heat pump is low and you should therefore adjust the ventilation immediately after installat
40. 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 Set the hot water comfort that is to apply during scheduling here TIP Q If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days CF Caution If the stop time is earlier in the day than the start time it means that the period extends past mid night Scheduling always starts on the date that the start time is set for Menu 2 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Menu 2 9 1 periodic increases period Setting range 1 90 days Default value 14 days start time Setting range 00 00 23 00 Default value 00 00 To prevent bacterial growth in the water heater the compressor and the immersion heater can increase the hot water temperature for a short time at regular inter vals 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 NIDETNM Fawn NIBETM F370 Menu 2 9 2 hot water recirc operating time Setting range 1 60 min Default value 3 min downtime Setting range 0 60 min
41. ase note that the connection of the T amp P valve should not be used for any other purpose Valves may not be positioned between the expansion valve and the vessel Discharge pipes from tundishes shall have av vertical section of pipe at least 300 mm long before any elbows or bends in the pipework see following picture Metal discharge pipe from temperature relief valve to tundish ie I 7 1 Safety device e g temperature relief valve minimum Discharge below fixed grating Metal discharge pipe from tundish with continous fall Possible wall Minimum size of dis Minimum size of dis Maximum resistance Resistance created by charge pipe allowed expressed each elbow or bend as a lenght of straight pipe i e no elbows or bends up to 9 m up to 18 lt G3 gt 4 lt G3 gt 4 lt G3 gt 4 G1 G1 G1 Hard water areas Usually there should not be a problem in installing F370 in areas of hard water as the operating temperature is 50 60 C Chapter 4 Pipe and ventilation connections Cleaning the climate system When the water heater and the climate system have been filled with water F370 must operate at maximum normal temperature for at least one hour Thereafter the system NIBE F370 must be drained of water and refilled See section Service actions on page 53 Before installing the heat pump in an existing system
42. be opened during service all service on F370 can be carried out from the front Leave space between the heat pump and wall be hind and any routing of supply cables and pipes to re duce the risk reproduction of any vibration F370 should be transported and stored vertically in a dry place The F370 may however be carefully laid on its back when being moved into a building The centre of gravity is in the upper part 80 50 500 Assembly Position F370 on a firm base that can take the weight preferably on a concrete floor or foundation Use the Y product s adjustable feet to obtain a horizontal and stable set up NOTE Ensure that there is sufficient space 300 mm above the heat pump for installing ventilation hoses The area where F370 is located must be equipped with floor drainage Install with its back to an outside wall ideally in a room where noise does not matter in order to elim inate noise problems If this is not possible avoid placing it against a wall behind a bedroom or other room where noise may be a problem Wherever the unit is located walls to sound sensitive rooms should be fitted with sound insulation Route pipes so they not fixed to an internal wall that backs on to a bedroom or living room The heat pumps installation area should always have a temperature of at least 10 C and max 30 C Chapter 2 Delive
43. brazing process Decommissioning Before performing this procedure the technician must be familiar with the equipment and all its component parts Good practice prescribes that all refrigerant is col lected safely Before the work is carried out samples of oil and refrigerant must be taken if analyses are required before collected refrigerant can be reused There must be a power supply when this task is started 1 Familiarise yourself with the equipment and its use 2 lsolate the system electrically 3 Before starting the procedure ensure that necessary equipment for mechanical handling of the refrigerant container is available all necessary personal safety equipment is available and used correctly the collection process is continuously supervised by an authorised person the collection equipment and containers meet appro priate standards Pump the refrigerant system to vacuum if possible 5 If itis not possible to pump to vacuum manufacture a branch so that the refrigerant can be retrieved from different parts of the system 6 Check that the refrigerant container is on the scales before starting to collect Start the collection device and collect according to the manufacturer s instructions 8 Do not overfill the containers max 80 96 volume liquid content 9 Do not exceed the containers maximum permitted working pressure not even temporarily 10 When the containers have been filled correctl
44. built in safety do not need to be isolated before starting work When working in the refrigerant circuit Pipe installation should be kept to a minimum Connections in the refrigerant circuit must be carried out as follows Soldered welded or mechanical connections must be made before the valves are opened to allow the refri gerant to flow between the cooling system parts The system must be equipped with a vacuum valve to re lieve connecting pipes and or any unfilled parts of the cooling system Reusable mechanical connectors and collared joints are not permitted indoors Refrigerant pipes must be protected or recessed to prevent damage Must be accessible for future maintenance National gas regulations must be observed Maximum amount of refrigerant See Technical specifica tions Everyone who works with or opens a refrigerant circuit must have a current valid certificate from an accred ited industry issuing body which states that according to the industry s recognised assessment standard they have the authority to safely handle refrigerants Servicing must only be performed according to the equipment manufacturer s recommendations Maintenance and repairs that require the assistance of another trained person must be carried out under the supervision of person with the authority to handle com bustible refrigerants Maintenance and repair that requires the skill of another person must be carried ou
45. d also be in accordance with the relevant requirements of the Local Authority and the Building Regulations relevant to the location of install ation BS 6700 Services supplying water for domestic use within buildings and their cartilages Water Supply Water Fitting Regulations 1999 or The Water Bylaws 2000 Scotland Heating System The installation of the heat pump should follow best practice as covered in the following BS 5449 Forced circulation hot water central heating systems for domestic premises BS 15450 Heating systems in buildings Design of heat pump heating systems Ventilation System Any ventilation system should be designed and installed in accordance with Building Regulations England amp Wales Approved Document F1 and Scotland Technical Standard Section 3 14 Ventilation Only this will ensure hygienic room air and prevent any dampness to the building structure To be able to ensure a high degree of efficiency and an extremely comfortable living environment we recommend that the installation of any ventilation system should be planned and this plan be strictly followed by the ventila tion engineer We recommend that the exhaust air is extracted via metal spiral seam pipes with fitting seals approved to sealing class D or suitable equivalent UPVC plastic duct work and sealed with acrylic duct sealant from the bathroom toilet kitchen and utility room At the same time fresh air should enter the b
46. d to the ventilation system and heating medium circuits When the exhaust air at room temperature passes through the evaporator the refrigerant evaporates be cause of its low boiling point In this way the energy in the room air is transferred to the refrigerant The refrigerant is then compressed in a compressor causing the temperature to rise considerably The warm refrigerant is led to the condenser Here the refrigerant gives off its energy to the boiler water whereupon the refrigerant changes state from gas to li quid The refrigerant then goes via filters to the expansion valve where the pressure and temperature are reduced The refrigerant has now completed its circulation and returns to the evaporator XL 1 Connection heating medium flow XL 2 Connection heating medium return XL 3 Connection cold water XL 4 Connection hot water XL 8 Connection docking Chapter 4 ne ilation conr I 13 Dimensions and pipe connec Setting out dimensions tions Connection XL1 Heating medium supply mm 140 400 XL2 Heating medium T mm 120 425 2 XL3 Cold water Pipe dimensions LIS Connection Heating medium ext 2 Cold water ext mm Hot water ext mm Docking ext 2 mm 22 Overflow water discharge mm 32 Connection CM1 Expansion tank connection XL1 H
47. e Telephone No Operative ID No Comments Signature Service 10 Date Engineer Name Company Name Telephone No Operative ID No Comments Signature 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 031546
48. e extern switch func tion or sensor This means that when an external switch function or sensor is connected to one of six special connections the correct function must be selected to the correct connection in the software in F370 Caution If an external switch function or sensor is connec ted to F370 the function to use input or output must be selected in menu 5 4 see page 50 Selectable inputs on the input card for these functions are AUX1 X6 9 10 AUX2 X6 11 12 AUX3 X6 13 14 AUXA X6 15 16 and AUX5 X6 17 18 Selectable out puts are AA3 X7 block heating activate temp lux not used not used not used alarm output External F370 m n O l gt Ex UI The example above uses the inputs AUX1 X6 9 10 andAUX2 X6 11 12 on the input circuit board AA3 r Caution Some of the following functions can also be tivated and scheduled via menu settings Possible selection for AUX inputs Switch for external blocking of addition andlor compressor In those cases external blocking of addition and or com pressor is wanted this can be connected to terminal block Chapter 5 X6 on the input card AA3 which is positio
49. e rises between 90 and 100 C and can be manually reset Resetting The temperature limiter FD 1 is accessible behind the front cover Reset the temperature limiter by pressing the button FD1 SF2 using a small screwdriver 52 Caution Check the temperature limiter and miniature circuit breaker They may have tripped during transportation Temperature limiter compressor The temperature limiter FD2 cuts the current supply to the soft starter if the temperature rises above 88 C and is manually reset Resetting The temperature limiter FD2 is accessible behind the front cover Reset the temperature limiter by pressing the button FD2 SF2 using a small screwdriver Chapter 5 Electrical connections 19 20 Accessibility electrical connection The plastic cap of the electrical boxes is opened using a screwdriver f NOTE The cover for the input card is opened without a tool Removing the cover input circuit board 1 Push the catch down 2 Angle out the cover and remove it Removing the cover immersion heater circuit board
50. eating medium flow line XL2 Heating medium return line XL3 Cold water XL4 Hot water XL8 Docking connection flow line G25 XL9 Docking connection return line G25 14 Chapter 4 Pipe and ventilation connections NIBE F370 Symbol key Symbol Meaning Venting valve Shut off valve Non return valve Shunt shuttle valve Safety valve Trim valve Tundish Temperature sensor Expansion vessel Pressure gauge Circulation pump Particle filter Compressor Heat exchanger NIBE F370 Cold and hot water Connecting cold and hot water A mixing valve must also be installed if the factory setting tor hot water is changed National regulations must be observed The setting is made in menu 5 1 1 page 48 The flexible hose to the expansion vessel can be installed in the plugged connection on the safety valve enl M t Heating medium side Connecting the climate system When connecting to a system with thermostats on all radiators underfloor heating coils a relief valve must be fitted or a thermostat must be removed to ensure suffi cient flow Chapter 4 Pipe and ventilation connections 15 16 Installation alternative F370 can be connected in several different ways some of which are shown below Further option information is available at www nibe co uk the respective asse
51. encer in the duct This is especially important if there are ventilation devices in bedrooms The extract air duct must be a maximum of 20 m long with a maximum of six bends Connections must be made via flexible hoses which must be installed so that they are easy to replace The extract air duct must be provided with diffusion tight insulation over its entire length Ensure that the condensation insu lation is sealed at any joints and or at lead in nipples si lencers roof cowls or similar Provision must be made for inspection and cleaning of the duct Make sure that there are no reductions of cross sectional area in the form of creases tight bends etc since this will reduce the ventil ation capacity The air duct system must be a minimum of air tightness class B The extract air duct must be a maximum of 20 m long with a maximum of six bends Because the heat pump contains the flammable refriger ant propane R290 the air ducting system must be grounded This is done by making a good electrical con nection to the exhaust air and vented air ducts using the 2 ground cables supplied The cables must then be con nected to the ground studs on top of the top cover Exhaust air duct kitchen fan Exhaust air duct kitchen fan must not be connected to F370 To prevent cooking odours being led to the F370 the distance between the kitchen fan and the exhaust air valve must be observed The distance must not be below 1 5 m but may v
52. enu 3 INFO Display of temperature and other operating information and access to the alarm log See page 44 Menu 4 HEAT PUMP Setting time date language display operating mode etc See page 45 Menu 5 SERVICE Advanced settings These settings are not available to the end user The menu is visible by pressing the Back button for 7 seconds See page 48 Chapter 7 Control Introduction Symbols in the display The following symbols can appear in the display during operation Description This symbol appears by the information sign if there is information in menu 3 1 that you should note These two symbols indicate whether the compressor or addition is blocked in F370 These can for example be blocked depend Ing on which operating mode is selected in menu 4 2 if blocking is scheduled in menu 4 9 5 or if an alarm has occurred that blocks one of them T Blocking the compressor 11 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 whether solar heating Is active Accessory needed This symbol indicates whether holiday setting is activated in menu 4 7 Menu number marked sub menu HOT WATER INDOOR CLIMATE LS HEAT PUMP Marked main menu Symbols sub menus Operation To move the cursor t
53. er before the brackets but this value must be reduced by two units temperature heating curve offset in menu 1 1 set in these cases to 1 peor Caution The map values are usually a good starting point and concern an approximate room temperature of 20 C The values can be adjusted later if ne cessary Examples of basic values selection House with low temperature radiator system London Area 15 8 Set 15 in menu 1 9 1 heating curve and 2 in menu 1 1 temperature heating curve offset House with under floor heating installed in a con crete floor structure London Area 15 8 Set 8 in menu 1 9 1 heating curve and 2 in menu 1 1 temperature heating curve offset Houses with under floor heating installed in a tim ber floor structure London Area 15 8 Set 13 see third point in the list above in menu 1 9 1 heating curve and 1 in menu 1 1 temperature heating curve offset Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermo stat valves fully except in those rooms where a cooler temperature is required e g bedrooms A low temperature radiator system refers to a system where the flow temperature needs to be 55 C on the coldest day Unger floor heating can be dimensioned very differ ently The example above refers to a system where the flow temperature must be a
54. ered from the exhaust air Menu 4 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Menu 4 9 2 auto mode setting stop heating Setting range 20 40 C Default values 20 stop additional heat Setting range 20 40 C Default values 15 filtering time Setting range 0 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 out door temperature Select the average outdoor temperatures in this menu NIIDETM 77 You can also set the time over which filtering time the average temperature is calculated If you select 0 the present outdoor temperature is used Caution It cannot be set stop additional heat higher than stop heating Menu 4 9 4 factory setting user All settings that are available to the user including ad vanced menus can be reset to default values here E ES Caution After factory setting personal settings such as heating curves ventilation etc must be reset Menu 4 9 5 schedule blocking The compressor can be scheduled to be blocked for up to two different time periods here If two settings conflict with each other a red exclamation mark is displayed at the end of the line When scheduling is active the actual blocking symbol in the main menu on the heat pump symbol is displayed
55. expansion valve been fitted and discharge tested Yes The tundish and discharge pipework have been connected and terminated to Part G of the Building Regulations Yes m Are all energy sources fitted with a cut out device Yes Has the expansion vessel or internal space been checked Yes THERMAL STORES ONLY What store temperature is achievable No What is the maximum hot water temperature C Yes Yes ALL INSTALLATIONS The hot water system complies with the appropriate Building Regulations The system has been installed and commissioned in accordance with the manufacturer s instructions The system controls have been demonstrated to and understood by the customer Yes The manufacturer s literature including Benchmark Checklist and Service Record has been explained and left with the customer Yes Commissioning Engineer s Signature Customer s Signature To confirm satisfactory demonstration and receipt of manufacturer s literature All installations in England and Wales must be notified to Local Authority Building Control LABC either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer Denchmar THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Heating and Hotwater Industry Council HHIC www centralheating co uk Service Record
56. gland UB2 Cable gland Not visible in the image Designations in component locations according to standard IEC 81346 1 and 81346 2 Chapter 3 The heat pump design 11 12 4 Pipe and ventilation connections General pipe connections Pipe installation must be carried out in accordance with current norms and directives The system requires a low temperature design of the ra diator circuit At lowest dimensioned outdoor temperature DUT the highest recommended temperatures are 55 C on the flow line and 45 C on the return line NOTE The pipe system needs to be flushed out before the heat pump 15 connected so that any debris cannot damage component parts NOTE This installation is subject to building regulation approval notify the local Authority of intention to Install NOTE A Use only manufacturer s recommended replace ment parts Waste water from the collection tray at the evaporator and from the safety valve is led by a non pressurised overflow pipe to the drain so that hot water cannot cause Valve outlet size G1 2 charge pipe from tundish damage Likewise should the discharge pipes tundishes drain valves and motorised valves be positioned clearly away from any electrical components This is the only thing the non pressurised overflow pipe may be used for Even overflow pipes from tundish connected to the ex pansion relief valve must be connected to the drain in the same way Ple
57. he climate system are filled with water 5 When the water that exits the vent valve QM20 is not mixed with air close the valve After a while the pressure rises on the pressure gauge BP5 When the pressure reaches 2 5 bar 0 25 MPa the safety valve FL2 starts to release water Close the filler valves QM1 1 QM 13 6 Reduce the boiler pressure to the normal working range approx 1 bar by opening the vent valve QM20 or safety valve FL2 7 Check that there is water in the overflow WM1 If the overflow cup requires topping up 1 Turn the safety valve FL1 anticlockwise carefully F370 Venting the climate system 1 Turn off the power supply to the heat pump 2 Vent the heat pump via the vent valve QM20 and the rest of the climate system via the relevant vent valves Keep topping up venting until all air has been removed and the pressure is correct NOTE The vent pipe from the container must be drained of water before air can be released This means that the system is not necessarily bled despite the flow of water when the bleed valve QM20 is opened QM13 FL2 FL1 5 gt s U NU E 0227 4 5 A all TA owes n 1 Ios N Z NN ES zm 6 LE L pe
58. he relevant menu can be found on the display to the right of the menus ita ele Activation of temporary increase in the hot water temperature Status information displays off or what length of time of the temporary temperature in crease remains Setting hot water comfort The status information displays what mode is selected economy normal or luxury Scheduling hot water comfort Status inform ation set displays if any part of the schedule is active at present holiday setting displays if vacation setting Is in progress menu 4 7 otherwise it displays off Setting periodic increase in the hot water temperature Menu 2 1 temporary lux Setting range 3 6 and 12 hours and mode off Default value off When hot water 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 re maining time for the selected setting is shown to the right When the time has run out F370 returns to the mode set in menu 2 2 Select off to switch off 997173 Chapter 8 Control Menus 2 1 temporary lux Overview 2 9 1 periodic increases 2 9 2 hot water recirc Menu 2 2 comfort mode Setting ra
59. hunt operation is required This is done by turning the adjustment screw on the shunt motor MA1 to manual mode and then turning the shunt knob to the desired position E A 1 TH Adjuster screw Draining the water heater The water heater can be drained via the safety valve FL1 or via the overflow 1 Disconnect the overflow pipe from the safety valve FL1 and connect a hose to a draining pump instead Where no draining pump is available the water can be released into the overflow cup 1 2 Open the safety valve FL1 3 Open a hot water tap to let air into the system If this Is not sufficient detach the pipe connection XL4 on the hot water side to see if air is entering Draining the climate system In order to carry out service on the climate system it may be easier to drain the system first NOTE There may be some hot water when draining the heating medium side climate system There is a risk of scalding The hot water can be tapped through safety valve FL2 via the overflow 1 or through a hose that is connected to the safety valve s FL2 or the drain valve s XL10 outlet 1 Open the safety valve FL2 or the drain valve XL10 2
60. if applicable 2 CONTROLS SYSTEM AND HEAT PUMP rick the appropriate boxes if applicable 1 Time amp Temperature Hoom Thermostat amp Programmable Load Weather Optimum Start Control to Heating Programmer Timer Hoomstat Compensation Control 2 Time amp Temperature Cylinder Thermostat amp Combined with Heat Control to Hot Water Programmer Timer pump main controls 3 Heating Zone Valves Fitted Not Required 4 Hot Water Zone Valves Fitted Not Required 5 Thermostatic Radiator Valves Fitted Not Required 6 Heat Pump Safety Interlock 3 Provided 7 Outdoor Sensor Fitted Not Required 8 Automatic Bypass System Fitted Not Required 9 Buffer Vessel Fitted Yes No If YES Volume Litres ALL SYSTEMS The heating system has been filled and pressure tested Yes Expansion vessel for heating is sized fitted amp charged in accordance with manufacturer s instructions Yes The heat pump is fitted on a solid stable surface capable of taking its weight Yes The system has been flushed and cleaned in accordance with BS7593 and heat pump manufacturer s instructions Yes What system cleaner was used What inhibitor was used Qty litres Are all external pipeworks insulated Yes Is the system adequately f
61. 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 Q 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 temperature is maintained r Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise Menu 1 9 9 night cooling start temp exhaust air Setting range 20 30 C Default value 25 C min diff outdoor exhaust Setting range 3 10 C Default value 6 C Activate night cooling here When the temperature in the house is high and the out door temperature is lower a cooling effect ob tained by forcing the ventilation If the temperature difference between the exhaust air and the outdoor air temperature is greater than the set value min diff outdoor exhaust and the exhaust air temperature is higher than the set value start temp exhaust air run the ventilation at speed 4 until one of the conditions is no longer met NIBETM F370 Chapter 8 Control Menu 42 Menu 2 HOT WATER 2 HOT WATER 2 2 comfort mode 2 3 scheduling 2 9 advanced Accessory needed Sub menus For the menu aleman wl there are several sub menus Status information for t
62. ing To reduce energy consumption during a holiday you can schedule a reduction in heating ventilation and hot water temperature If a room sensor is installed and activated the desired room temperature C is set during the time period This setting applies to all climate systems with room sensors If a room sensor is not activated the desired offset of the heat curve is set This setting applies to all climate systems without room sensors A one degree change in room temperature requires one increment for under floor Chapter 8 Control Menus heating and approximately two to three increments for the radiator system Vacation scheduling starts at 00 00 on the start date and stops at 23 59 on the stop date TIP Complete holiday setting about a day before your return so that room temperature and hot water have time to regain usual levels TIP 5 Y Set the vacation setting in advance and activate just before departure in order to maintain the comfort 223 Caution If you choose to switch off hot water production during the vacation periodic increases prevent ing bacterial growth are blocked during this time periodic increases started in conjunction with the vacation setting being completed 2237 Caution If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical ad dition is permitted to intervene When the com pressor is blocked heat is not recov
63. ing Engineer s Signature Customer s Signature To confirm demonstration of equipment and receipt of appliance instructions Notes 1 Installers should be members of an appropriate Competent Persons Scheme 2 All installations in England and Wales must be notified to Local Area Building Control LABO either directly or through a Competent Persons Scheme A Building Regulations Compliance enchmar COLLECTIVE MARK Certificate will then be issued to the customer 3 May be required for systems covered by G3 Regulations THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Heating and Hotwater Industry Council HHIC 2221 MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the storage system as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference Failure to install and commission this equipment to the manufacturer s instructions may invalidate the warranty but does not affect statutory rights Customer Telephone Number Address Cylinder Make and Model Cylinder SerialNumber Commissioned by orint name _ Registered Operative ID Number Company Name _ Telephone Number Company Address Commissioning Date To be completed
64. ion so that it is set according to the projected value for the house A defective ventilation installation may lead to reduced installation efficiency and thus poorer operating economy and may result in moisture damage to the house Chapter 4 Pipe and ventilation connections F370 5 Electrical connections General All electrical equipment except the outdoor temperature sensors and room temperature sensors are ready connec ted at the factory m Disconnect the heat pump before insulation testing the house wiring fthe building is equipped with an earth fault breaker F370 should be equipped with a separate one faminiature circuit breaker is used it should have at least motor characteristic C See page 60 for fuse size For the heat pump wiring diagram see page 62 m Communication and sensor cables to external connec tions must not be laid close to high current cables m The minimum area of communication and sensor cables to external connections must be 0 5 mm up to 50 m for example EKKX or or equivalent m When cable routing in F370 cable grommets UB1and UB2 marked in image must be used In UB1 and UB2 the cables are inserted through the heat pump from the back to the front For dimensions diagram see page 21 WIB L we
65. it is important that the system is properly flushed through Even if the heat pump is to be installed in a new system the heat pump and system should be flushed NOTE Ensure that cleaning agent has been removed from the entire system before adding inhibitor After flushing an inhibitor should be used for long term anti corrosion protection NIBE Energy Systems Limited recommends water treat ments supplied by e g Fernox and Sentinel specifically designed for heat pumps Maximum boiler and radiator volumes The volume of the pressure expan sion vessel CM1 is 10 litres and it Is pressurised as standard to 0 5 bar 5 mvp As a result the maximum permitted height H between the HUU vessel and the highest radiator is 5 metres see figure L If the standard initial pressure in the pressure vessel is not high enough it can be increased by adding air via A the valve the expansion vessel The initial pressure of the expansion vessel must be stated in the inspection document Any chanoe in the initial pressure affects the ability of the expansion vessel to handle the expansion of the water The maximum system volume excluding the boller is 219 litres at the above pre pressure System diagram F370 consists of a heat pump water heater immersion heater fan circulation pump and control system F370 is connecte
66. k 4 You can now select to take read outs for different weeks by turning the control knob to the right or left and read off the average temperature 5 Press the OK or Back button to exit read off mode NIBE M F370 Menu 4 HEAT PUMP 4 HEAT PUMP 4 1 plus functions 4 2 op mode 4 3 my icons 4 4 time amp date 4 6 language 4 7 holiday setting 4 9 advanced Accessory needed Sub menus For the menu ala 481714 there are several sub menus Status information for the relevant menu can be found on the display to the right of the menus Settings applying to any installed extra functions in the heating system Activation of manual or automatic operating mode The status information shows the selected operat ing mode Settings regarding which icons in the heat pump s user interface that are to appear in the slot when the door is closed Setting current time and date Select the language for the display here The status information shows the selected language 5 25 Vacation scheduling heating and ventila tion Status information set is displayed if you set a Vacation schedule but it is not active now active dis plays if any part of the Vacation schedule is active other wise it displays off Setting heat pump work mode Menu 4 1 plus functions Settings for any additional functions installed in F370 can be made in the sub menus Menu 4 1 4
67. lect what functions are permitted You cannot deselect compressor in manual mode Chapter 8 Control Menus 45 46 Operating mode add heat only Caution you choose mode add heat only the com pressor is deselected and there is a higher oper ating cost In this operating mode the compressor is not active and only additional heating is used Functions compressor is that which produces heating and hot water for the accommodation If compressor is deselected a symbol in the main menu on the heat pump symbol is displayed You cannot deselect compressor in manual mode addition is what helps the compressor to heat the accommodation and or the hot water when it cannot manage the whole requirement alone heating means that you get heat in the accommoda tion You can deselect the function when you do not wish to have heating running Caution If you deselect addition it may mean that in sufficient hot water and or heating in the accom modation is achieved Menu 4 3 my icons You can select what icon should be visible when the door to F370 is closed You can select up to 3 icons If you se lect more the ones you selected first will disappear The icons are displayed in the order you selected them Menu 4 4 time amp date Set time and date and display mode here Menu 4 6 language Choose the language that you want the information to be displayed in here Menu 4 7 holiday sett
68. lected select a higher value on stop heating in menu 4 9 2 fmode manual is selected select heating If this is not enough select addition Too low set value on the automatic heating control m Enter menu 1 1 temperature and adjust the offset of the heating curve If the room temperat ure is only low in cold weather the curve slope in menu 1 9 1 heating curve needs adjusting up comfort mode luxury selected in combination with large hot water outlet a m Enter menu 2 2 and select economy or nor mal Holiday mode activated in menu 1 3 4 m Enter menu 1 3 4 and select Off External switch for changing the room heating activ ated Check any external switches Air in the heating system Vent the heating system see page 27 Closed valves OM31 OM32 to the heating system m Open the valves High room temperature Toohigh set value on the automatic heating control Enter menu 1 1 temperature and adjust the heat curve offset downwards If the room temperature is only high in cold weather the curve slope in menu 1 9 1 heating curve needs to be adjusted down External switch for changing the room heating activ ated m Check any external switches Low system pressure Notenough water in the heating system Top up the water in the heating system see page 27 Low or a lack of ventilation Filter HQ10 blocked m Clean or replace the filter
69. mbly instruction for the access ory used See page 58 move the list of the accessories that can be used to F370 Extra hot water heaters Extra hot water heaters The heat pump should be supplemented with an electric water heater if a hot tub or other significant consumer of hot water is installed Water heater with immersion heater If it is possible to use a water heater with an immersion heater NIBE COMPACT or EMINENT type water heaters can be used Two or more climate systems When more than one climate system is to be heated the following connection can be used The ECS 40 ECS 41 accessory is required for this connec tion Chapter 4 ventilation connections Connecting hot water circulation To reduce the risk of bacterial growth in systems with hot water circulation the temperature of the circulating water should not fall below 50 C There should not be any non circulatory hot water pipes Adjust the hot water system so that the temperature does not fall below 50 C at the ends of the system The circulation pump for hot water circulation can be controlled by the heat pump The HWC return can be connected to a freestanding water heater F370 General ventilation connection Ventilation installation must be carried out in accordance with current norms and directives To prevent fan noise being transferred to the ventilation devices it may be a good idea to install a sil
70. ned behind the front cover The additional heat and or the compressor are disconnec ted by connecting a potential free switch function to the input selected in menu 5 4 see page 50 External blocking of addition and compressor can be combined A closed contact results in the electrical output being disconnected Contact for external tariff blocking In those cases external tariff blocking is used this can be connected to terminal block X6 on the input card which is positioned behind the front cover Tariff blocking means that the additional heat the com pressor and heating are disconnected by connecting a potential free switch function to the input selected in menu 5 4 see page 50 A closed contact results in the electrical output being disconnected Switch for external blocking of heating In those cases external blocking of heat is used this can be connected to terminal block X6 on the input card AA3 which is positioned behind the front cover Heating operation is disconnected by connecting a poten tial free switch function to the input selected in menu 5 4 see page 50 A closed switch results in blocked heating operation Contact for activation of temporary lux An external contact function can be connected to F370 for activation of the hot water function temporary lux The switch must be potential free and connected to the selected input menu 5 4 see page 50 on terminal block X6 on the inp
71. ng the covers 9 Supplied components 9 Transport 8 Dimensions and pipe connections 14 Dimensions and setting out coordinates 59 Display 31 Display unit 31 Back button 31 Control knob 31 Display 31 OK button 31 Status lamp 31 Switch 31 Disturbances in comfort 56 Manage alarm 56 Troubleshooting 56 Draining the climate system 53 Draining the hot water heater 52 E Electrical addition maximum output 23 Electrical circuit diagram 62 1x230V 62 Electrical connections 19 Accessibility electrical connection 20 Chapter 13 Item register Cable lock 20 Connecting accessories 26 Connections 21 Electrical addition maximum output 23 External connection options 24 General 19 Miniature circuit breaker 19 Optional connections 24 Outdoor sensor 21 Power connection 21 Removing the cover base board 20 Removing the cover immersion heater circuit board 20 Removing the hatch input circuit board 20 Room sensor 22 Settings 23 Standby mode 23 Temperature limiter 19 Temperature limiter compressor 19 Exhaust air duct 17 External connection options 24 Contact for activation of fan speed 25 Contact for activation of external adjustment 24 Contact for activation of temporary lux 24 Contact for external tariff blocking 24 Possible selection for AUX inputs 24 Possible selection for AUX output potential free variable re lay 25 Switch for external blocking of addition and or compressor 24
72. nge 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 economical This mode can be used in smaller households with a small hot water requirement normal Normal mode gives a larger amount of hot water and is suitable for most households luxury Lux mode gives the greatest possible amount of hot water In this mode the immersion heater as well as the compressor is used to heat hot water which may Increase operating costs Menu 2 3 scheduling What hot water comfort the heat pump is to work with can be scheduled here for up to two different time peri ods per day Scheduling is activated deactivated by ticking unticking ac tivated Set times are not affected at deactivation If two settings conflict with each other a red exclamation mark is displayed Activated Schedule EDULING HOT normal Conflict Day Time period Adjusting NIBE F370 Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a partic ular day the time for that day must be reset by setting the start time to the same
73. o terminal block X6 1 and X6 2 on the input card AA3 Use a twin core cable of at least 0 5 mm cable area If a conduit is used it must be sealed to prevent condens ation in the sensor capsule Outside sensor F370 aum Lj B Im Lj m BT1 6 Chapter 5 Electrical connections 21 Room sensor F370 is delivered with a room sensor supplied BT50 The room temperature sensor has up to three functions 1 Show current room temperature in F370 s display 2 Option of changing the room temperature in C 3 Makes it possible to change stabilise the room tem perature Install the sensor in a neutral position where the set temperature is required A suitable location is on a free inner wall in a hall approx 1 5 m above the floor It is important that the sensor is not obstructed from measur ing the correct room temperature by being located for example in a recess between shelves behind a curtain above or close to a heat source in a draft from an extern al door or in direct sunlight Closed radiator thermostats can also cause problems The heat pump operates without the sensor but if one wishes to read off the accommodation s indoor temper ature in F370 s display the senso
74. om the service work area where combustible refrigerant can leak out Before carrying out work the area surrounding the equipment F370 Wa LP L 1 must be checked to ensure that there are no ignition risks No smoking signs must be displayed Ensure that the work is carried out outdoors or that the work area is ventilated before the system is opened and before any hot work is carried out The area must be ventilated whilst the work is being carried out There must be ventilation around any refrigerant that comes out which should be routed outdoors If electrical components are replaced the replacement parts must be fit for purpose and have the correct tech nical specifications Always follow the manufacturer s guidelines regarding maintenance and servicing Contact the manufacturer s technical department in the event of any doubts The following checks must be carried out for installations that use combustible refrigerants The filling quantity is appropriate for the size of the space where the parts that contain refrigerant are in stalled Ventilation equipment and outlet work correctly and without obstructions If an indirect refrigerant circuit is used check whether the secondary circuit contains refrigerant Al markings of equipment are visible and clear Markings signs and similar that are not clear must be replaced Refrigerant pipes and components are positioned in such a way that it is n
75. on Status information set is displayed if you set a schedule but it is not active now holiday setting is displayed if the vacation schedule is active at the same time as the schedule the vacation function is prioritised active displays if any part of the schedule is active otherwise it displays off Setting of heat curve adjusting with external contact minimum value for supply temperature room sensor and night cooling Menu 1 1 temperature If the house has several climate systems this is indicated on the display by a thermometer for each system Set the temperature with room sensors installed and activated Setting range 5 30 C Default value 20 The value in the display appears as a temperature in C if the heating system is controlled by a room sensor To change the room temperature use the control knob to set the desired temperature in the display Confirm the new setting by pressing the OK button The new F370 1 1 temperature Overview 1 3 1 heating 1 3 3 ventilation 9 1 heating curve 9 2 external adjustment 9 3 min flow line temp 9 4 room sensor settings 9 6 fan return time 9 7 own curve 9 8 point offset 9 9 night cooling gt gt gt l 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 Defa
76. on on gas systems with flam mable gases Safety precautions Wiring Check that cabling will not be subject to wear corrosion excessive pressure vibration sharp edges or any other adverse environmental effects The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans Repairing sealed components When repairing sealed components all electrical supply must be disconnected from the equipment that is being repaired before any sealed covers or similar are removed If it is absolutely necessary to have an electricity supply to the equipment during the service continuously activ ated leak tracing must be performed at the most critical points in order to warn of any dangerous situations Pay particular attention to the following so that the sheath is not changed in a way that affects the protection level when working with electrical components This means damage to cables unnecessary amounts of con nections terminals that do not follow the original specific ations damaged gaskets incorrect grommets etc Ensure that the apparatus is secured properly Check that seals or sealing materials have not deteriorated to a degree that they can no longer prevent combustible gases from entering Replacement parts must meet the manufacturer s specifications NOTE Use of silicone seals can hamper the efficiency of certain types of leak tracing equipment Components with
77. onomy 15 52 C Factory setting start temp economy 45 C Setting range stop temp economy 15 55 C Factory setting stop temp economy 51 C normal Setting range start temp normal 15 52 C Factory setting start temp normal 49 C Setting range stop temp normal 15 55 C Factory setting stop temp normal 55 C luxury Setting range start temp lux 15 62 C Factory setting start temp lux 52 C Setting range stop temp lux 15 65 C Factory setting stop temp lux 58 C stop temp per increase Setting range 55 70 C Default values 60 C Here you set the start and stop temperature of the hot water for the different comfort options in menu 2 2 as F370 well as the stop temperature for periodic increase in menu Menu 5 1 2 flow line temperature climate system Setting range 20 70 Default value 60 C Set the maximum supply temperature for the climate system here If the installation has more than one climate system individual maximum flow temperatures can be set for each system rs Caution Underfloor heating systems are normally 10 112118 3 114101 14 14011 3 set between 35 and 45 E Check the max floor temperature with your floor supplier Menu 5 1 4 alarm actions Select if you want the heat pump to alert you that there is an alarm in the display here 2037 Caution If no alarm action is selected it can result in higher energy c
78. onsumption in the event of an alarm Menu 5 1 5 fan sp exhaust air normal and speed 1 4 Setting range 0 100 Set the speed for the five different selectable speeds for the fan here Caution An incorrectly set ventilation flow can damage the house and may also increase energy con sumption Menu 5 1 12 internal electrical addition set max electrical add 0 8 kW Default values 5 3 kW fuse size Setting range 1 200 A Default values 16 A F370 Here you set the max electrical output of the internal electrical addition in F370 and the fuse size for the install ation Menu 5 1 99 other settings trend calculation limit Setting range 0 20 C Default value 7 C transfer time Setting range 1 60 min Default value 15 min months btwn filter alarms Setting range 1 12 Default value 3 Set trend calculation limit transfer time months btwn filter alarms and fan synch operation here trend calculation limit Here you set at what outdoor temperature the trend calculation is to stop Below this limit trend calculating is not used to enable the additional heat transfer time Here you can set transfer time between heating and hot water production in F370 months btwn filter alarms Here you set the number of months between alarms for a reminder to clean the filter in F370 fan synch operation Select whether you want the fan to maintain the same speed regardles
79. ore the indoor temperature You can select heating curve and read off how the flow line temperature changes at different outdoor temperatures here Curve coefficient Supply temperature G 70 Steeper curve slope 10 0 10 20 30 409 Outdoor temperature The slope of the heating curve indicates how many de grees the supply temperature 15 to be increased reduced when the outdoor temperature drops increases A steeper slope means a higher supply temperature at a certain outdoor temperature The optimum slope depends on the climate conditions in your location if the house has radiators or under floor heating and how well insulated the house 15 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 im 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 Curve offset Supply temperature C 70 Offset heating curve 10 0 10 20 30 40 Outdoor temperature Chapter 8 Control Menus An offset of the heating curve means that the supply temperature changes as much for all the outdoor temper atures e g that a curve offset of 2 steps increases the supply temperature by 5 C at all outdoor temperatures Flow line temperature maximum and minimum values Supply temperature C
80. ot likely that they be subjected to substances that can corrode components contain ing refrigerant if these components are not made of material that is resistant against corrosion or not ap propriately protected against such corrosion Repair and maintenance of electrical components must include initial safety checks and procedures for compon ent inspection In the event of a fault which can cause a safety risk do not supply any power to the circuit until the fault has been rectified If the fault cannot be rectified immediately and operation must continue an adequate temporary solution must be implemented This must be reported to the equipment owner so that all parties have been informed The following checks must be carried out at the initial safety checks That the capacitors are discharged Discharging must be done safely to prevent the risk of sparking That no powered electrical components or live cables are exposed when filling or collecting refrigerant or when the system is flushed That the system is continually grounded Chapter 1 Important information Removal and draining When a cooling circuit is opened for repairs or for an other reason work must be carried out in a conventional manner Due to the risk of fire it is important that best practice is applied Follow the procedure below Drain the refrigerant Flush the circuit with inert gas Drain the circuit Flush again with inert gas
81. pprox 35 40 C resp 45 50 C on the coldest day Chapter 8 Control Menu 39 15 8 Menu 1 9 2 external adjustment 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 period ically raise or lower the room temperature When the contact Is on the heat curve offset is changed by the number of steps selected in the menu If a room sensor is installed and activated the desired room temperature C is set If there is more than one climate system the setting can be made separately for each system Menu 1 9 3 min flow line temp climate system Setting range 20 70 C Default value 20 C Set the minimum temperature on the supply temperature to the climate system This means that F370 never calcu lates a temperature lower than that set here If there is more than one climate system the setting can be made separately for each system Chapter 8 Control Menus TIP Q The value can be increased if you have for ex ample a cellar that you always want to heat even in summer You may also need to Increase the value in stop heating menu 4 9 2 auto mode setting Menu 1 9 4 room sensor settings factor system Setting range 0 0 6 0 Default value 2 0 Room sensors to control the room temperature can be acti
82. pproximately 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 system amp B Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation System Which climate system the schedule is for is se lected here This alternative is only displayed if more than one climate system is present Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a partic ular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting How much the heating curve is to be offset in relation to menu 1 1 during scheduling is set here If the rooms sensor is installed the desired room temperat ure is set in C TIP gt Q If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Caution If the stop time is before the start time it means that the period extends past midnight Schedul ing always starts on the date that the start time Is set for
83. r must be installed Connect the room sensor to X6 3 and X6 4 on the input circuit board AA3 If the sensor is to be used to change the room temperat ure in C and or to change stabilise the room temperat ure the sensor must be activated in menu 1 9 4 If the room sensor is used in a room with under floor heating it should only have an indicatory function not control of the room temperature all UE Room sensor F370 An TT TT amu um I 14 a 261 Caution Chanoes of temperature in accommodation take time For example short time periods in combin ation with underfloor heating will not give noticeable difference in room temperature 22 Chapter 5 Electrical connections F370 Settings IUE L
84. red interval between 10001005 2 Tick activated 3 Mark read log settings and press the OK button 4 The present values from F370 are saved in a file in the USB memory at the set interval until activated Is unticked Caution Untick activated before removing the USB memory Menu 7 3 manage settings manage settings 7 3 13 save settings recover settings Here you can manage save as or retrieve from all the menu settings user and service menus in F370 with a USB memory Via save settings you save the menu settings to the USB memory in order to restore them later or to copy the settings to another F370 NOTE When you save the menu settings to the USB memory you replace any previously saved set tings on the USB memory Via recover settings you reset all menu settings from the USB memory f NOTE Reset of the menu settings from the USB memory cannot be undone Chapter 9 55 56 10 Disturbances in comfort In most cases the heat pump notes operational interfer ence operational interference can lead to disturbance in comfort and indicates this with alarms and shows action Instructions in the display Info menu All the heat pump measurement values are gathered under menu 3 1 in the heat pump menu system Looking through the values in this menu can often simplify finding the fault source See page 44 for more information about menu 3 1 Manage alarm
85. rost protected Yes VENTILATION SYSTEM Duct work fitted and pressure tested in accordance with manufacturer s instructions Yes No Air Vents fitted Yes N A Ventilation air flow measured recorded in accordance with building regulations amp manufacturers instructions Yes l s Air filter cleaned amp correctly fitted Yes CENTRAL HEATING MODE Heating Flow Temperature C Heating Return Temperature C DOMESTIC HOT WATER MODE Is the heat pump connected to a hot water cylinder Unvented Vented Thermal Store Not Connected Hot water has been checked at all outlets Yes ADDITIONAL SYSTEM INFORMATON Additional heat sources connected Gas Boiler Oil Boiler Electric Heater Other ALL INSTALLATIONS The heating hot water and ventilation systems complies with the appropriate Building Regulations Yes All electrical work complies with the appropriate Regulations Yes The heat pump and associated products have been installed and commissioned in accordance with the manufacturer s instructions Yes The operation of the heat pump and system controls have been demonstrated to the customer Yes The manufacturer s literature including Benchmark Checklist and Service Record has been explained and left with the customer Yes Commission
86. ry and handling NIBE F370 Supplied components Outside sensor Room sensor 2 x tundish Expansion vessel with holder supplied separately Earth cable Location The kit of supplied items is placed on top of the product Removing the covers Front cover 1 Remove the air treatment hatch by pulling it straight out 2 Remove the screws from the lower edoe of the front cover 3 Lift the cover out at the bottom edoe and up 4 Pullthe hatch towards yourself NIBETM F370 Side covers side covers removed to facilitate the installa tion 1 Remove the screws from the upper and lower edges Twist the cover slightly outward Move the cover backwards and slightly to the side Pull the cover to one side ol ge qe Pull the cover forwards Removing parts of the insula tion Parts of the insulation can be removed to facilitate the installation Insulation top 1 Grip the handle and pull straight out as illustrated
87. s of whether the compressor is operating or not alternatively different speeds If the function is activated fan speed 2 applies when the compressor is not in operation and fan speed normal when the com pressor is in operation Menu 5 2 system settings Make different system settings for the heat pump here e g which accessories are installed There are two ways of activating connected accessories You can either mark the alternative in the list or use the automatic function search installed acc search installed acc Mark search installed acc and press the OK button to automatically find connected accessories for F370 Chapter 8 Control Menu 49 50 Menu 5 3 accessory settings The operating settings for accessories that are installed and activated are made in the sub menus Tor this Menu 5 3 3 extra climate system mixing valve amplifier Setting range 0 1 10 0 Default value 1 0 mixing valve step delay Setting range 10 300 s Default values 30 s Set the shunt amplification and shunt waiting time for the different extra climate systems that are installed See the accessory installation instructions for function description Menu 5 4 soft in outputs Here you can select which in output on the input circuit board AA3 the external contact function page 24 is to be connected to Selectable inputs on terminal block AUX1 5 AA3 X6 9 18 and output AA3 X7 on the input circuit board
88. setting 5 3 Electrical data Rated voltage 230 V 1N PE 50 Hz Max operating current See table page 23 Driving power circulation pump 5 45 Driving power exhaust air fan Fuse 25 140 See table page 23 Enclosure class 21 Refrigerant circuit Type of refrigerant R290 propane Volume kg 0 4 Cut out value pressostat HP MPa bar 2 45 24 5 Cut out value pressostat LP MPa bar 0 15 1 5 Heating medium circuit Max pressure in boiler section MPa bar 025 29 Max temperature flow line C 70 factory setting 60 Ventilation Min air flow at exhaust air temperature at least 20 C Min air flow at exhaust air temperature below 20 C 5 28 31 Sound power level according to 12 102 Sound power level Ly 46 5 48 0 Sound pressure levels Sound pressure level in the boiler house 42 5 44 0 Pipe connections Heating medium ext 22 Hot water ext 22 Cold water ext 22 Docking ext 2 22 Chapter 12 Technical data NIBETM F370 Miscellaneous Water heater Volume total litre 240 Volume boiler section litre 70 Volume hot water heater litre 170 Max pressure in hot water heater MPa bar 1 0 10 corrosion protection Capacity hot water heating according to
89. sms Make settings for the accessory SMS 40 here Add the mobile numbers that are to have access to change and receive status information from the heat pump Mobile numbers must include country code e g 46 XXXXXXXX If you want to receive an SMS message in the event of the alarm mark the box to the right of the telephone number F370 Overview 4 1 4 sms 4 9 2 auto mode setting 4 9 4 factory setting user 4 9 5 schedule blocking NOTE Telephone numbers provided must be able to receive SMS messages Menu 4 2 op mode op mode Setting range auto manual add heat only Default value auto functions Setting range compressor addition heating The heat pump operating mode is usually set to auto It is also possible to set the heat pump to add heat only but only when an addition is used or manual and select yourself what functions are to be permitted Change the operating mode by marking the desired mode and pressing the OK button When an operating mode is selected it shows what in the heat pump is permitted crossed out not permitted and selectable alternatives to the right To select selectable functions that are permit ted or not you mark the function using the control knob and press the OK button Operating mode auto In this operating mode the heat pump automatically se lects what functions are permitted Operating mode manual In this operating mode you can se
90. so be to hand Hoses must be in good condition and be equipped with leak proof quick couplings Before using the collecting machine check that it works correctly and has been well maintained and that corresponding electrical components are sealed to prevent ignition if any refrigerant should come out Contact the manufacturer in the event of any doubts Return the collected refrigerant to the refrigerant supplier in the correct collection container and with the relevant Waste Transfer Note Do not mix refrigerants in collection devices or containers If compressors compressor oil are is to be removed ensure that the affected device is drained to an acceptable level to ensure that no combustible refrigerant remains in the lubricant Compressors must be drained before being returned to the supplier Only electrical heating of the compressor housing may be used to quicken draining Drain oil from the system in a safe manner Serial number The serial number can be found at the bottom right of the front cover and in the info menu menu 3 1 Caution Always give the product s serial number 14 di gits when reporting a fault Country specific information Installer manual This installer manual must be left with the customer Great Britain This installation is subject to building regulation approval notify the local Authority of intention to install Use only manufacturer s recommended replacement parts
91. stem pressure test it with oxygen free nitrogen Leak test the system after filling but before using the system Perform an additional leak test before leaving the installation Leak testing The following leak detection methods are deemed accept able for systems containing flammable refrigerants Electronic leak detectors shall be used to detect flam mable refrigerants but the sensitivity may not be ad equate or may need re calibration Detection equipment shall be calibrated in a refrigerant free area Ensure that Chapter 1 Important information the detector is not a potential source of ignition and is suitable for the refrigerant used Leak detection equip ment shall be set at a percentage of the LFL of the refri gerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 96 maximum is confirmed Leak detection fluids are suitable for use with most refri gerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refri gerant and corrode the copper pipe work If a leak is suspected all naked flames shall be removed ex tinguished If a leakage of refrigerant is found which requires brazing all of the refrigerant shall be recovered from the system or isolated by means of shut off valves in a part of the system remote from the leak Oxygen free nitrogen OFN shall then be purged through the system both before and during the
92. t under the supervision of someone with the above expertise Before work is started on systems that contains combust ible refrigerants safety checks must be performed to ensure that the ignition risk is kept to a minimum The work must be carried out in a controlled way to minimise the risk of contact with combustible gas or liquid during the work All maintenance staff and those who work in close prox imity to the product must be instructed which type of work is to be carried out Avoid carrying out work in en closed spaces The area surrounding the worksite must be cordoned off Ensure that the area is made safe by removing combustible material Check whether there is refrigerant in the area using a suitable refrigerant detector prior to and during work to notify the service technician whether there is a possible flammable atmosphere or not Ensure that the refrigerant detector is suitable for combustible refrigerant i e does not generate sparks or cause ignition in any other way If hot work is carried out on the heat pump a powder or carbon dioxide fire extinguisher must be to hand Those who carry out work with refrigerant system con nections including exposing pipes that contain or have contained combustible refrigerant may not use potential ignition sources in such a way that that can lead to risks of fire or explosions All potential ignition sources including cigarette smoking should be kept at a safe distance fr
93. that the ring on the shaft with the outdoor temperature is marked 2 Press the OK button 3 Follow the grey line up to the heat curve and out to the left to read off the value for the supply temperat ure at the selected outdoor temperature 4 You can now select to take read outs for different outdoor temperatures by turning the control knob to the right or left and read off the corresponding flow temperature 5 Press the OK or Back button to exit read off mode TIP N Wait 24 hours before making a new setting so that the room temperature has time to stabilise If it is cold outdoors and the room temperature is too low increase the curve slope by one incre ment If it is cold outdoors and the room temperature is too high lower the curve slope by one incre ment If it iswarm outdoors and the room temperature is too low increase the curve offset by one incre ment If itis warm outdoors and the room temperature is too high lower the curve offset by one incre ment Basic values for the automatic heating control The values stated on the map apply for the heating curve in menu 1 9 1 The first value applies for low temperature radiator systems temperature heating curve offset in menu 1 1 must be set to 2 The value in brackets refers to under floor heating systems installed in concrete floor structures When the system is installed in a timber floor structure you can use the numb
94. the desired days r Caution If the stop time is before the start time it means that the period extends past midnight Schedul ing always starts on the date that the start time Is set for A significant change over a longer period of time may cause poor indoor environment and worse operating economy Menu 1 9 advanced Menu has orange text and is intended for the advanced user This menu has several sub menus Setting the heating curve slope aF 16118 79 Setting the heat curve offset when the external contact is connected Setting minimum permitted flow line temperature Settings regarding the room sensor Fan return time settings in the event of temporary ventilation speed change eee Setting own heat curve Setting the offset of the heating curve at a specific outdoor temperature Setting night cooling Menu 1 9 1 heating curve system 2 flow temperature C 41 outdoor temp C 2 57 heating curve Setting range 0 15 Default value 5 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 temperature regardless of the outdoor temperature and thereby energy efficient operation It is from this heating curve that the heat Chapter 8 37 pumps control computer determines the temperature of the water to the heating system flow line temperature and theref
95. tton is used to confirm selections of sub menus options set values page in the start guide Back button The back button is used to go back to the previous menu change a setting that has not been con firmed Control knob The control knob can be turned to the right or left You can scroll in menus and between options increase and decrease the values change page in multiple page instructions for example help text and service info NIBETM F370 Switch SF1 switch assumes three positions Standby O Emergency mode 4 see page 52 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 il luminated and the status lamp illuminates yellow Chapter 7 Con n n 1 IU O II OUUCLIO 31 32 Menu system When the door to the heat pump is opened the menu system s four main menus are shown in the display as well as certain basic information Outdoor temperature Indoor temperature if room sensors are installed HOT WATER Hot water temp Information about operation SERVICE HEAT PUMP Temporary lux if Estimated amount of activated hot water Menu 1 INDOOR CLIMATE Setting and scheduling the indoor climate See page 35 Menu 2 HOT WATER Setting and scheduling hot water production See page 42 M
96. uilding via NIBE wall vents into the living room bedrooms and other living area Factors such as street noise exhaust fumes wind general noise cold and pollen can be taken into account choosing the right outside air vent This ensures a con trolled ventilation system with heat recovery and offers a high degree of comfort The discharge air duct work to outside must be insulated to ensure condensation does not form in the duct work Chapter 1 Important information Inspection of the installation Current regulations require the heating installation to be inspected before it is commissioned The inspection must be carried out by a suitably qualified person Fill in the page for information about installation data in the User manual wv Description Signature Date Ventilation page 17 Setting the ventilation flow Connecting ground cables Heating medium page 15 System flushed System vented Circulation pump setting Setting heating medium flow Expansion vessel T amp P valve Electricity page 19 Fuses heat pump Fuses property Outside sensor Room sensor Safety breaker Earth circuit breaker Benchmark checklist NIBE F370 Chapter 1 Important information 2 Delivery and handling Transport Installation area Leave a space of 500 mm in front of the product Approx 50 mm free space is required in order to open the side hatches The hatches do not need to
97. ult value 1 The display shows the set values for heating curve offset To increase or reduce the indoor temperature increase or reduce the value on the display Use the control knob to set a new value Confirm the new setting by pressing the OK button The number of steps the value has to be changed to achieve a degree change of the indoor temperature de pends on the heating unit One step for under floor heating whilst radiators may require three Setting the desired value The new value is shown on the right hand side of the symbol in the display 452 Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermo stats fully except in those rooms where a cooler temperature is required e g bedrooms If the exhaust air temperature falls below 16 C the compressor is blocked and the electrical ad dition is permitted to intervene When the com pressor is blocked heat is not recovered from the exhaust air Chapter 8 Control Menus 35 36 TIP Pd Y Wait 24 hours before making a new setting so that the room temperature has time to stabilise If it is cold outdoors and the room temperature is too low increase the curve slope in menu 1 9 1 by one increment If it is cold outdoors and the room temperature is too high lower the curve slope menu 1 9 1 by one increment If it is warm outdoors and the room temperature
98. ure reduction valve WM Tundish WM2 Overflow water discharge WP1 Overflow pipe safety valve hot water heater WP2 Overflow pipe safety valve climate system WP3 Condensation lead off fan box Sensors etc BP 1 High pressure pressostat BP 2 Low pressure pressostat BP 5 Pressure gauge heating system BT 1 Outdoor sensor BT 2 Temperature sensors heating medium flow DIS Temperature sensors heating medium return BT 6 Temperature sensor hot water control BT 7 Temperature sensor hot water display BT 16 Temperature sensor evaporator BT 18 Temperature sensor compressor operation BT 19 Temperature sensor immersion heater operation BT 20 Temperature sensor exhaust air 21 Temperature sensor extract air BT 30 Thermostat backup heating BT 50 Room sensor Electrical components AA 1 Immersion heater card AA 2 Base card AA 3 Input circuit board AA 4 Display unit AA4 XJ3 USB socket AA4 XJ4 Service socket AA100 Connection card air treatment section exhaust air CA 1 Capacitor EB 1 Immersion heater EB 10 Compressor heater FA 1 Miniature circuit breaker FD 1 Temperature limiter MA1 Shunt motor with hand wheel RF 3 EMC filter SF 1 Switch Cooling components EP 1 Evaporator GQ 10 Compressor HZ 2 Drying filter QN 1 Expansion valve Ventilation GQ2 Exhaust air fan HQ 10 Exhaust air filter UR 1 Filter cover exhaust air Miscellaneous PF 1 Rating plate Serial number plate UB1 Cable
99. urn 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 new window then opens with sub menus Select one of the sub menus by marking it and then pressing the OK button Selecting options comfort mode 2 2 economy _ normal _ luxu Alternative In an options menu the current selected option is Indicated by a green tick To select another option 1 Mark the applicable option One of the options 1 15 pre selected white 2 Press the OK button to confirm the selected op tion The selected option has green tick Name and menu number main menu Symbol INDOOR CLIMATE 1 main menu temperature AN ventilation normal scheduling off advanced Status information sub menus Name sub menus Setting a value time amp date 4 4 time E 09 88 V date Vi 24 hrs 20 day Qf 20012010 24 month O 2010 01 20 Values to be changed To set a value Mark the value you want to set using the con trol knob Press the button The backoround of the value becomes green which means that you have accessed the setting mode Turn the control knob to the right to increase the value and to the left to reduce the value
100. ut circuit board AA3 temporary lux is activated for the time that the contact Is connected Contact for activation of external adjustment An external contact function can be connected to F370 to change the supply temperature and the room temper ature When the switch is closed the temperature changes in C if the room sensor is connected and activated If a room sensor is not connected or not activated the desired offset of temperature heating curve offset is set with the number of steps selected The value is adjustable between 10 and 10 climate system 1 The switch must be potential free and connected to the selected input menu 5 4 see page 50 on termin al block X6 on the input circuit board AA3 The value for the 15 set in menu 1 9 2 extern al adjustment climate system 2 to 4 External adjustment for climate systems 2 to 4 require accessories ECS 40 See the accessory s installer handbook for installation Instructions Contact for activation of fan speed An external contact function can be connected to F370 for activation of one of the four fan speeds The switch must be potential free and connected to the selected in put menu 5 4 see page 50 on terminal block X6 on the input circuit board AA3 When the switch closes the selected fan speed is activated Normal speed is resumed when the contact is opened again Possible selection for AUX output potential free
101. vailable for connecting other heat sources to the heat pump Docking kit wood oil pellets DEH 40 Part no 066 101 Docking kit gas DEH 41 Part no 066 102 Extra shunt group ECS 40 ECS 41 This accessory is used when F370 is installed in houses with two or more different heating systems that require different supply temperatures ECS 40 Max 80 m Part no 067 287 ECS 41 Min 80 m Part no 067 288 Room unit RMU 40 RMU 40 means that control and monitoring of the heat pump can be carried out in a different part of the accom modation to where F370 is located Part no 067 064 Solar 41 Solar 41 means that F370 can be connected to solar heating Part no 067 127 Top cabinet Top cabinet to room height 2400 2500 2550 2800 mm 2400 mm Part no 089 756 2500 mm Part no 089 757 2550 2800 mm Part no 089 758 Chapter 11 Accessorie 12 Technical data Dimensions and setting out coordinates Avoid routing pipes through the marked area Chapter 12 Technical data Technical specifications 1x230V Output data according to EN 14 511 r21 Specified heating output 2 18 3 93 Specified heating output 2 03 COP 3 24 Specified heating output Pu 1 88 COP3 2 74 Additional power Output immersion heater 8 0 factory
102. variable relay It is possible to have an external connection through the relay function via a potential free variable relay max 2 A on the input circuit board AA3 terminal block X7 Optional functions for external connection Indication of buzzer alarm Control of circulation pump for hot water circulation External circulation pump for example external pump and shunt group If any of the above is installed to terminal block X7 it must be selected in menu 5 4 see page 50 The common alarm is preselected at the factory NOTE An accessory is required if several functions are connected to terminal block X7 at the same time that the buzzer alarm is activated see page 58 88 M 5 2 J yd O The picture shows the relay in the alarm position When switch SF1 is in the O or A position the relay is in the alarm position External circulation pump or hot water circulation pump connected to the buzzer alarm relay as illustrated below NOTE AN Mark up any junction boxes with warnings for external voltage F370 External uaagaguguguuggaggadgacg r
103. vated 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 systems Menu 1 9 6 fan return time speed 1 4 Setting range 1 99 h Default value 4 h Here you select the return time for temporary speed change speed 1 4 on the ventilation in menu 1 2 Return time is the time it takes before ventilation speed returns to normal Menu 1 9 7 own curve supply temperature Setting range 0 80 C You can create your own heating curve here if there are special requirements by setting the desired supply tem peratures for different outdoor temperatures Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply F370 Menu 1 9 8 point offset Caution Night cooling can only be activated when house heating has been deactivated This is done in Setting range 40 30 C menu 4 2 Default value 0 C outdoor temp point change in curve Setting range 10 10 C Default value 0 C Select a change in the heating curve at a certain outdoor temperature here A one degree change in room temper ature requires one increment for underfloor heating and approximately two to three
104. y 15 Cold and hot water 15 Heating medium side 15 Installation alternative 16 General ventilation connection 17 Ventilation flow 18 Adjusting ventilation 18 5 Electrical connections 19 General 19 Connections 2 Settings 23 Optional connections 24 Connecting accessories 26 6 Commissioning and adjusting 27 Preparations 27 Filling and venting 27 Start up and inspection 28 7 Control Introduction 31 Display unit 31 Menu system 32 8 Control Menus 35 Menu 1 INDOOR CLIMATE 35 Menu 2 HOT WATER 42 Menu 3 INFO 44 Menu 4 HEAT PUMP 45 Menu 5 SERVICE 48 9 Service 52 Service actions 52 10 Disturbances comfort 56 Info menu 56 alarm 56 Troubleshooting 56 11 Accessories 58 12 Technical data 59 Dimensions and setting out coordinates 59 Technical specifications 60 Electrical circuit diagram 62 Item register 68 Table of Contents 1 Important information Safety information This manual describes installation and service procedures for implementation by specialists This appliance can be used by children aged from 8 years and above and persons with reduce ipee sensory or mental capab or lack of experience and knowledge if they have been given supervision or in struction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall
105. y and the process is complete close all shut off valves in NIB L dd Po fU the equipment and remove and containers and equipment from the installation immediately 11 The collected refrigerant must not be filled in any other system before being cleaned and checked Marking The equipment must be marked stating that it has been taken out of operation and drained of refrigerant The marking must be dated and signed Check that the equipment is marked indicating that it contains combust ible refrigerant Collection Best practice prescribes that all refrigerant is collected safely when the refrigerant is drained from a system either for servicing or for decommissioning The refrigerant must only be collected in suitable refriger ant containers Ensure that the required number of con tainers that can hold the entire volume of the system are available All containers that are to be used must be intended for the collection of the refrigerant and marked for this refrigerant especially designed for the collection of refrigerant The containers must have the correctly functioning relief valves and shut off valves Empty collec tion containers must be drained and if possible chilled before collection The collection equipment must function correctly and instructions for the equipment must be to hand The equipment must be suitable for the collection of combust ible refrigerant Fully functioning and calibrated scales must al

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