User manual
Contents
1. tion NOTE Always communicate the product s serial number 14 digits when report ing a fault Troubleshooting If the operational interference is not shown in the display the following tips can be used Basic actions Start by checking the following possible fault sources The switch s position Group and main fuses of the accommodation The property s earth circuit breaker Low hot water temperature or a lack of hot water This part of the fault tracing chapter only applies if the water heater is in stalled in the system Closed or choked filling valve for the hot water heater m Open the valve Mixing valve if there is one installed set too low Adjust the mixer valve Control module in incorrect operating mode If mode manual is selected select addition Large hot water consumption Wait until the hot water has heated up Temporarily increased hot water capacity temporary lux can be activated in menu 2 1 Too low hot water setting Enter menu 2 2 and select a higher comfort mode Chapter 4 Disturbances in comfort NIBE SMO 20 Too low or no operating prioritisation of hot water Enter menu 4 9 1 and increase the time for when hot water is to be prioritised Low room temperature Closed thermostats in several rooms Set the thermostats to max in as many rooms as possible Adjust the room temperature via menu 1 1 instead of choking the thermo Stats2. Control module in incorrect operating mode Enter menu 4 2 If mode auto is selected select a higher value on stop heating in menu 4 9 2 fmode manual is selected select heating If this is not enough select addition Too low set value on the automatic heating control Enter menu 1 1 temperature and adjust the offset of the heating curve If the room temperature is only low in cold weather the curve slope in menu 1 9 1 heating curve needs adjusting up Too low or no operating prioritisation of heat m Enter menu 4 9 1 and increase the time for when heating is to be prioritised Holiday mode activated in menu 4 7 Enter menu 4 7 and select Off External switch for changing the room heating activated Check any external switches Air inthe climate system Vent the climate system Closed valves to the climate system m Open the valves High room temperature Too high 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 activated Chapter 4 Disturbances in comfort NIBE SMO 20 53 54 Check any external switches Low system pressure Not enough water in the climate system Top up the water in the climate system
3. curve slope room sensor settings 8 Setting the heat GE curve offset when the external contact is connected aa Aa Setting minim um permitted flow line temperature Settings regarding the room sensor Setting own heat curve Selman setting the offset of the heating curve at a specific outdoor temperature heating curve point offset Chapter 3 23 Menu 1 9 1 24 heating curve heating curve Setting range 0 15 heating curve 1 9 1 T3 Default value 9 o 80 flow temperature C faa Su outdoor temp C J In the menu the presecribed 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 control module s control computer determines the temperature of the water to the heating system supply temperature and therefore the indoor temperature You can select heating curve and read off how the supply temperature changes at different outdoor temperatures here Supply temperature Curve coefficient C Steeper curve sie _ The slope ofthe heating curve indic _ ates how many degrees the supply temperature is to be increased re duced when the outdoor temperat ure drops increases A steeper slope means a higher supply temperature at a certain outdoor temperature 10 0 10 20 30
4. it is warm outdoors and the room temperature is too low increase the curve offset by one increment it is warm outdoors and the room temperature is too high lower the curve offset by one increment Chapter 3 SMO 20 Went external adjustment 1 2 2 climate system external adjustment 1 9 2 Setting range 10 to 10 or desired 5 room temperature if the room sensor is installed Default value O climate system 1 Connecting an external contact for example a room thermostat or a timer allows you to temporarily or periodically raise or lower the room temper ature 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 min flow line temp climate system min flow line temp 1 9 3 d Setting range 5 70 C 5 Default value 20 C climate system 1 Set the minimum temperature on the supply temperature to the climate system This means that SMO 20 never calculates a temperature lower than that set here Chapter 3 27 Menu 194 28 TIP The value can be increased if you have for example a cellar that you al ways want to heat even in summer You may also need to increase the value in stop heating menu 4 9 2 auto mode setting room sensor settings factor system room sensor settings 1 9 4 PN Setting range 0 0 6 0 5
5. 291 periodic increases periodic increases period periodic increases 2 9 1 0 Setting range 1 90 days 5 Default value 14 days activated A start time period 14 days Setting range 00 00 23 00 start time 00 00 Default value 00 00 Next periodic increase To prevent bacterial growth in the water heater the heat pump and any additional heat can increase the hot water temperature for a short time at regular intervals The length of time between increases can be selected here The time can be set between 1 and 90 days Factory setting is 14 days Untick activated to switch off the function Chapter 3 Menu 3 1 Get information Overview Sub menus For the menu there are several sub menus No settings can be made in these menus they just display in service info formation Status information for the compressor info runs relevant menu can be found on the display to the right of the menus add heat info off alarm log 76116 shows temperature levels a indoor temp log and settings in the installation 5 shows Operating times number of starts etc for the compressor in the heat pump ele eia iael displays information about the addition s operating times etc shows the latest alarms OAE the average temperature indoors week by week during the past year service info service info 3 1 Information about the actual operat ing status of the installation e g cur BELG AA25 ren
6. NIBE User manual NIBE SMO 20 Control module UHB GB 1322 1 231763 Navigation 2 Ok button confirm select Back button back undo exit Control knob move increase reduce A detailed explanation of the button functions can be found on page 8 How to scroll through menus and make different settings is described on page 12 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 19 Increase hot water volume To temporarily increase the amount of hot water if a hot water heater is installed to your SMO 20 first turn the control knob to mark menu 2 water droplet and then press the OK button twice Read more about the settings on page 31 In event of disturbances in comfort 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 for instructions 52 Table of Contents 1 Uu Important information Installation data Safety information Serial number Country specific information SMO 20 An excellent choice The control module the heart of the house Control module s function Contact with SMO 20 Maintenance of SMO 20 SMO 20 at your service Set the indoor climate Set the hot water capacity
7. 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 Chapter 3 SMO 20 at your service NIBE SMO20 25 26 To select another heat curve slope 1 Press the OK button to access the setting mode 2 Select anew heating curve The heat curves are numbered from 0 to 15 the greater the number the steeper the slope and the greater the supply temperature Heating curve 0 means that menu 1 9 7 is used 3 Press the OK button to exit the setting To read off a heating curve 1 Turn the control knob so that the ring on the shaft with the outdoor temperature is marked 2 Pressthe OK button 3 Follow the grey line up to the heat curve and out to the left to read off the value for the supply temperature at the selected outdoor temperature 4 You can now select to take read outs for different outdoor temperat ures 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 Wait 24 hours before making anew setting so that the room temperature has time to stabilise It it is cold outdoors and the room temperature is too low increase the curve slope by one increment it is cold outdoors and the room temperature is too high lower the curve slope by one increment
8. hot water charging heat medium flow evaporator operating time op mode Information about an alarm Chapter 3 37 Menu 35 38 indoor temp log Here you can see the average temper ature 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 To read off an average temperature E indoor temp log 3 5 indoor temp C 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 week You can now select to take read outs for different weeks by turning the control knob to the right or left and read off the average temper ature Press the OK or Back button to exit read off mode Chapter 3 Menu 4 1 Adjust the heat pump Overview Sub menus For the menu 1 AWN there are MY SYSTEM 4 several sub menus Status information nlus functions for the relevant menu can be found op mode on the display to the right of the Arrr SE 9 time amp date menus d gt a language language 5 Settings applying to m guage languag any installed extra functions in the JSA holiday setting off heating system E advanced Activation of manual or automatic operating
9. 40 C Outdoor temperature The optimum slope depends on the climate conditions in your location if the house has radiators or under floor heating and how well insulated the house is The heating curve is set when the heating installation is installed but may need adjusting later Thereafter the heating curve should not need further adjustment Chapter 3 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 temperature Supply temperature Curve offset C 70 Offset heating curve An offset of the heating curve means that the supply temperature changes as much for all the outdoor temperatures e g that a curve off set of 2 steps increases the supply temperature by 5 C at all outdoor temperatures 10 0 10 20 30 40 C Outdoor temperature Supply temperature Flow line temperature maxim C P an um and minimum values a Because the flow line temperature Maximum value cannot be calculated higher than the set maximum value or lower than the set minimum value the mm heating curve flattens out at these temperatures 10 0 10 20 30 40 C Outdoor temperature Caution Underfloor heating systems are normally set between 35 and 45 C Check the max temperature for your floor with your installer tloor supplier The figure at the end of the curve indicates the curve slope
10. 6 and 12 hours temporary lux 2 1 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 Chapter 3 31 Menu 2 2 Menu 23 32 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 remaining time for the selected setting is shown to the right When the time has run out SMO 20 returns to the mode set in menu 2 2 Select off to switch off Raid AE comfort mode Setting range economy normal comfort mode 2 2 A luxury Default value normal economy GS normal J luxury 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 reguirement 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 scheduling Two different periods of hot water comfort per day
11. Default value 0 control room sensor syst 1 6 Room sensors to control the room temperature can be activated here Here you can set a factor that determines how much the supply temperat ure is to be affected by the difference between the desired room temper ature and the actual room temperature A higher value gives a greater change of the heating curve s set offset Chapter 3 Menu 19 7 Menu 1 9 8 own curve supply temperature own curve 1 9 7 d Setting range 0 80 C 5 flow line temp at 30 C flow line temp at 20 C flow line temp at 10 C flow line temp at 0 C flow line temp at 10 C flow line temp at 20 C You can create your own heating curve here if there are special require ments by setting the desired supply temperatures for different outdoor temperatures Caution Curve 0 in menu 1 9 1 must be selected for this curve to apply point offset outdoor temp point point offset 1 9 8 Setting range 40 30 C Default value 0 C outdoor temp point change in curve change in curve Setting range 10 10 C Default value 0 C flow temperature C outdoor temp C 9 Select a change in the heating curve at a certain outdoor temperature here One step is usually enough to change the room temperature by one degree but in some cases several steps may be required The heat curve is affected at 5 C from set outdoor temp point It is import
12. The compressor does not start There is no heating requirement The heat pump does not call on heating nor hot water Temperature conditions tripped 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 Follow the display instructions Additional heating only If you are unsuccessful in rectifying the fault and are unable to heat the house you can whilst waiting for assistance continue running the heat pump in add heat only This means that additional heating only is used to heat the house Set the installation to additional heat mode 1 Goto menu 4 2 op mode 2 Mark add heat only using the control knob and then press the OK button 3 Return to the main menus by pressing the Back button NOTE a heat pump is not connected by pipes to the system the flow must be shut off the pipe ends connected to each other where the heat pump should have been installed Chapter 4 Disturbances in comfort NIBE SMO 20 Caution When commissioning without NIBE air water heat pump an alarm com munication error may appear in the display The alarm is reset if the relevant heat pump is deactivated in menu 5 2 2 installed slaves Chapter 4 Disturbances in comfort NIBE SMO 20 55 5 Technical data Detailed technical specifications for this product ca
13. can be scheduled here Scheduling is activated deactivated by ticking unticking activated Set times are not affected at deactivation Chapter 3 Activated Schedule SCHEDULING HOT WATER mon tues we thur fri Sat sun Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting Set the hot water comfort that is to apply during scheduling here Conflict If two settings conflict with each other a red exclamation mark is displayed TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Chapter 3 Menu 2 9 Menu 2 9 1 34 Caution If the stop time is earlier in the day than the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for advanced Menu is intended for the cai a advanced user This menu has several sub menus
14. of the current heating reguirement in the house and determine when the compressor respectively additional heat will start stop CF Caution Higher value on start compressor gives more compressor starts which increases wear in the compressor Too low value can give uneven indoor temperatures 46 Chapter 3 Menu 4 9 4 Menu 4 9 5 factory setting user All settings that are available to the user including advanced menus can be reset to default values here Do you want to reset all user settings to factory settings Caution After factory setting personal set tings such as heating curves must be reset schedule blocking The additional heat can be scheduled to be blocked for up to two different time periods here When scheduling is active the relevant blocking symbol is shown in the main menu on the symbol for the control module Activated Schedule schedule blocking 4 9 5 chedule 1 schedule 2 2 3 activated 4 14 00 Conflict Day Time period Blocking Schedule The period to be changed is selected here Activated Scheduling for the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must Chapter 3 47 Menu 4 9 6 48 be reset by setting the start time to the same as the stop time If the line all i
15. the UK and to encourage regular servicing to optimise safety efficiency and performance Benchmark is managed and promoted by the Heating and Hotwater In dustry Council For more information visit www centralheating co uk Warranty and insurance information Thank you for installing a new NIBE heat pump in your home NIBE heat pumps are manufactured in Sweden to the very highest standard so we are pleased to offer our customers a comprehensive guarantee The product is guaranteed for 24 months for parts and labour from the date of installation or 33 months from the date of manufacture whichever is the shorter The NIBE guarantee is based on the unit being installed and commissioned by a NIBE accredited installer serviced every year and the Benchmark documents completed Where this condition is not met any chargeable spare parts or components issued within the applicable guarantee period still benefit from a 12 month warranty from the date of issue by the manufacturer We recommend the installer completes and returns as soon as possible your guarantee registration card or completes the guarantee form on the NIBE website www nibe co uk Please ensure that the installer has fully completed the Benchmark Checklist in the end of the Installation Instructions supplied with the product and that you have signed to say that you have received a full and clear explanation of its operation The installer is legally required to com plete a commi
16. 2 Help menu 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 2 15 16 Maintenance of SMO 20 Regular checks All servicing must be carried out by a person competent for the job Your heat pump requires minimal maintenance after commissioning On the other hand it is recommended that you check your installation regu larly For more information regarding the maintenance of heat pumps and or accumulator tanks water heaters refer to the relevant manual something unusual occurs messages about the malfunction appear in the display in the form of different alarm texts See alarm management page 1 Saving tips Your heat pump installation produces heat and hot water This occurs via the control settings you made Factors that affect the energy consumption are for example indoor tem perature hot water consumption the insulation level of the house and whether the house has many large window surfaces The position of the house e g wind exposure is also an affecting factor you activate Hot water Economy less energy is used Chapter 2 The control module the heart of the house NIBE SMO 20 Power consumption Increasing the indoor tempera
17. Get information Adjust the heat pump Disturbances in comfort Manage alarm Troubleshooting Additional heating only Technical data Glossary Item register Table of Contents 600 Ow Bb KR N Uw Uu WR abino o 1 Important information Installation data Product Serial number Installation date Installer Type of docking Accumulator hot water heater Heat pump output size Add heat type power fault set tings heating curve offset curve slope 09 Serial number must always be given Certification that the installation is carried out according to instructions in NIBE s installer manual and applicable regulations Date Signed Chapter 1 Important information NIBE SMO 20 Safety information This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction 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 not be made by children without supervision Rights to make any design or technical modifications are reserved ONIBE 2013 Symbols NOTE This symbol indicates danger to machine or person Caution This symbol indicates important infor
18. ans that you get cooling in the accommodation in hot weather You can deselect the function when you do not wish to have the cooling running This alternative requires an accessory for cooling or if the heat pump has a built in function for cooling and is activated in the menu time amp date Set time and date and display mode here time amp date 4 4 time hes date Hu L05 J day 1 01 month 10 year Chapter 3 Menu 4 6 Menu 4 7 language Choose the language that you want language 4 6 the information to be displayed in here holiday setting holiday setting 4 7 Ifa room sensor is installed and activ ated the desired room temperature W C is set during the time period This ll ECES setting applies to all climate systems Bagas 2010 O1 Ol stop date 2010 O1 01 with room sensors nesting 0 hot water comfort economy cooling off If a room sensor is not activated the desired offset of the heating curve is set This setting applies to all climate systems without room sensors One step is usually enough to change the room temperature by one degree but in some cases several steps may be required 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 Set the vacation setting in adva
19. ant that the correct heating curve is selected so that the room temperature is experienced as even Chapter 3 29 AY TIP Y 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 temper ature is maintained CF Caution Wait 24 hours before making a new setting so that the room temperature has time to stabilise 30 Chapter 3 SMO 20 at your service NIBE SMO 20 Menu 2 1 Set the ho Overview t i Sub menus HOT WATER 2 This menu only appears if a water heater is docked to the heat pump For the menu there are lux off several sub menus Status information for the relevant menu can be found on the display to the right of the menus advanced Activation of tempor ary increase in the hot water temper ature Status information displays oft or what length of time of the temporary temperature increase remains Setting hot water comfort The status information displays what mode is selected economy normal or luxury 6 6 Scheduling hot water comfort Status information set dis plays if any part of the schedule is active at present holiday setting dis plays if vacation setting is in progress menu 4 7 otherwise it displays tofi Setting periodic increase in the hot water temperature comfort mode economy scheduling active temporary lux Setting range 3
20. aporators and condensers Chapter 6 Glossary Heat factor Measurement of how much heat energy the heat pump gives off in relation to the electric energy it needs to operate Another term for this is COP Heating curve The heating curve determines which heat the heat pump is to produce depending on the temperature outdoors If a high value is selected this tells the heat pump that it must produce a lot of heat when it is cold out doors in order to achieve a warm indoor temperature Heating medium Hot liquid usually normal water which is sent from the heat pump to the house climate system and makes the accommodation warm The heating medium also heats the hot water through the double jacketed tank or coil tank Heating medium side Pipes to the house s climate system and condenser make up the heating medium side Hot water heater Container where domestic water is heated Is located somewhere outside the heat pump Mixing valve A valve that mixes the cold water with the hot water leaving the heater Outside sensor A sensor that is located outdoors This sensor tells the heat pump how hot it is outdoors Pressostat Pressure switch that triggers an alarm and or stops the compressor if non permitted pressures occur in the system A high pressure pressostat trips if the condensing pressure is too great A low pressure pressostat trips if the evaporation pressure is too low Radiator Another word for heating element T
21. eceive information about settings status and events see different types of alarms and receive instructions about how they are to be rectified A Display Instructions settings and operational information are shown on the display The easy to read display and menu system facilitates navigation between the different menus and options to set the comfort or obtain the information you require B Status lamp The status lamp indicates the status of the control module It lights green during normal operation lights yellow in emergency mode lights red in the event of a deployed alarm C OK button The OK button is used to confirm selections of sub menus options set values page in the start guide D Back button The back button is used to go back to the previous menu change a setting that has not been confirmed E Control knob The control knob can be turned to the right or left You can scroll in menus and between options increase and decrease the values change page in multiple page instructions for example help text and service info Chapter 2 The control module the heart of the house NIBE SMO 20 9 F Switch The switch assumes three positions E On I Standby O Emergency mode A Emergency mode must only be used in the event of a fault on the control module In this mode the compressor in the heat pump switches off and the immersion heater engages The control module dis
22. hen an operating mode is selected it shows whatin the control module is permitted crossed out not permitted and selectable alternatives to the right To select selectable functions that are permitted or not you mark the function using the control knob and press the OK button Operating mode auto In this operating mode the control module automatically selects what functions are permitted Operating mode manual In this operating mode you can select what functions are permitted You cannot deselect compressor in manual mode Operating mode add heat only In this operating mode the compressor is not active and only additional heating is used Chapter 3 41 Menu A A 42 Caution If you choose mode add heat only the compressor is deselected and there is a higher operating cost Caution You cannot change from only additional heat if you do not have a heat pump connected see menu 5 2 2 Functions compressor is that which produces heating and hot water for the ac commodation If compressor is deselected a symbol is displayed in the main menu on the symbol for the control module 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 reguirement alone heating means that you get heat in the accommodation You can deselect the function when you do not wish to have heating running cooling me
23. hey must be filled with water in order to be used with SMO 20 Chapter 6 Glossary 59 60 Return pipe The line in which the water is transported back to the heat pump from the house heating system radiators heating coils Return temp The temperature of the water that returns to the heat pump after releasing the heat energy to the radiators heating coils Room sensor A sensor that is located indoors This sensor tells the heat pump how hot it is indoors Safety valve A valve that opens and releases a small amount of liquid if the pressure is too high Shuttle valve A valve that can send liquid in two directions A shuttle valve that enables liquid to be sent to the climate system when the heat pump produces heating for the house and to the hot water heater when the heat pump produces hot water Supply temperature The temperature of the heated water that the heat pump sends out to the heating system The colder the outdoor temperature the higher the supply line temperature becomes Chapter 6 Glossary Item register A Adjust the installation 39 B Back button 9 6 Contact with SMO 20 8 Display unit 8 Menu system 11 Control knob 9 Control module s function 8 D Display 9 Display unit 8 Back button 9 Control knob 9 Display 9 OK button 9 Status lamp 9 Switch 10 Disturbances in comfort 51 Manage alarm 51 Only additional heat 54 Troubleshooting 52 G Get information 35 G
24. lbs in the bathroom 4 bulbs in the kitchen 3 bulbs outside a washing machine tumble drier fridge freezer oven vacuum cleaner engine block heater 6240 kWh domestic electricity year Energy meter Check the accommodation s energy meter regularly preterably once a month This will indicate any changes in power consumption Chapter 2 The control module the heart of the house NIBE SMO 20 Menu 1 1 SMO 20 at your service Set the indoor climate Overview Sub menus For the menu INDIGO Se INDOOR CLIMATE 1 1 there are several sub menus Status information for the relevant menu can be found on the display to the right B temperature of the menus scheduling Setting the temperature advanced for the climate system The status in formation shows the set values for the climate system Scheduling heating Status information set is displayed if you set a schedule but it is not active at the moment 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 oft Setting of heat curve adjusting with external contact minimum value for supply temperature own curve and point offset temperature temperature 1 1 It the house has several climate sys tems this is indicated on the display by a thermometer for each system Set the temperat
25. lossary 57 H Help menu 15 Important information 2 Installation data 2 Serial number 4 SMO 20 An excellent choice 7 Warranty information 5 Installation data 2 M Maintenance of SMO 20 16 Regular checks 16 Saving tips 16 Manage alarm 51 Menu system 11 Help menu 15 Operation 12 Chapter 7 Item register Scroll through the windows 14 Selecting menu 12 Selecting options 13 Setting a value 14 0 OK button 9 Only additional heat 54 Operation 12 P Power consumption 17 R Regular checks 16 S Saving tips 16 Power consumption 17 Scroll through the windows 14 Selecting menu 12 Selecting options 13 Serial number 4 Set the hot water capacity 31 Set the indoor climate 19 Setting a value 14 SMO 20 An excellent choice 7 SMO 20 at your service 19 Adjust the installation 39 Get information 35 Set the hot water capacity 31 Set the indoor climate 19 Status lamp 9 Switch 10 Technical data 56 The control module the heart of the house 8 Troubleshooting 52 W Warranty information 5 61 62 Chapter 7 NIBE SMO 20 Chapter 7 NIBE SMO 20 3 64 Chapter 7 NIBE SMO 20 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 Z
26. mation about what you should ob serve when maintaining your installation TIP This symbol indicates tips on how to facilitate using the product Marking SMO 20 is CE marked and fulfils IP21 The CE marking means that NIBE ensures that the product meets all regu lations that are placed on it based on relevant EU directives The CE mark is obligatory for most products sold in the EU regardless where they are made IP21 means that the product can be touched by hand that objects with a diameter larger than or equivalent to 12 5 mm cannot penetrate and cause damage and that the product is protected against vertically falling drops Chapter 1 Important information NIBE SMO 20 Serial number The serial number can be found on the upper side of the cover on the control module Serial number CF Caution Always give the product s serial number when reporting a fault Country specific information Great Britain This installation is subject to building regulation approval notify the local Authority of intention to install Use only manufacturer s recommended replacement parts 1 THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Nibe is a licensed member of the Benchmark Scheme which aims to im prove the standards of installation and commissioning of domestic heating 4 Chapter 1 Important information NIBE SMO 20 and hot water systems in
27. mode The status information shows the selected operating mode aad uu Setting current time and date Select the language for the display here The status information shows the selected language Vacation scheduling heating and hot water comfort Status information set is displayed if you set a vacation schedule but it is not active at the moment active is displayed if any part of the vacation schedule is active otherwise it displays off Settings of control module work mode plus functions plus functions4 1 Settings for any additional functions installed in SMO 20 can be made in the sub menus Chapter 3 39 Menu A Nc 40 SG Ready This function can only be used in mains networks that support the SG Ready standard Germany SG Ready 4 1 5 affect room temperature Make settings for the function SG Ready here affect hot water affect cooling affect room temperature Here you setwhether room temperat ure should be affected when activat ing SG Ready With low price mode of SG Ready the parallel offset of the indoor tem perature is increased by 4 1 If a room sensor is installed and activated the desired room temperature increases by 1 C With over capacity mode of SG Ready the parallel offset for the indoor temperature is increased by 2 If a room sensor is installed and activated the desired room temperature increases by 2 C affect hot water Here you se
28. n be found in the in stallation manual www nibe eu 56 Chapter 5 Technical Glossary Additional heat The additional heat is the heat produced in addition to the heat supplied by the compressor in your heat pump Additional heaters can be for ex ample immersion heater electric heater solar power system gas oil pellet wood burner or district heating Calculated flow line temperature The temperature that the heat pump calculates that the heating system requires for an optimum accommodation temperature The colder the outdoor temperature the higher the calculated supply temperature Circulation pump Pump that circulates liquid in a pipe system Climate system Climate systems can also be called heating systems The building is heated using radiators under floor coils or convector fans Compressor Compresses the gas state refrigerant When the refrigerant is compressed the pressure and the temperature increase Condenser Heat exchanger where the hot gas state refrigerant condenses cooled and becomes a liquid and releases heat energy to the house heating and hot water systems COP it is stated that a heat pump has COP 4 this means in principle that if you insert 10 pence you will get 40 pence worth of heat It is the efficiency of the heat pump This is measured at different measurement values e g where 7 stands for the outdoor temperature and 45 for how many 7 45 degrees the supply temperat
29. nce and activate just before departure in order to maintain the comfort Chapter 3 43 Menu 49 Menu 4 9 1 44 Caution If you choose to switch off hot water production during the vacation periodic increases preventing bacterial growth are blocked during this time periodic increases started in conjunction with the vacation setting being completed advanced Menu 6 is intended for the advanced 4 9 advanced user This menu has several 7 91 op prioritisation sub menus auto mode setting degree minute setting factory setting user schedule blocking schedule silent mode op prioritisation op prioritisation op prioritisation 4 9 1 Setting range 0 to 180 min 5 Default value 20 min hot water 20 Tata heating 20 min 8 The indicator marks where in the cycle the installation is If 0 minutes is selected it means that requirement is not prioritised but will only be activated when there is no other reguirement Chapter 3 Went auto mode setting 4 9 2 start cooling auto mode setting 4 9 2 Setting range 20 40 C Default value 25 8 z stop heating stop heating Ga C Setting range 20 40 C stop additional heat 5 c Default values 20 filtering time 24 hrs stop additional heat Setting range 25 40 C Default values 15 filtering time Setting range 0 48 Default value 24 h When the operating mode is set to a
30. ons comfort mode 2 2 economy W normal d luxu Alternative tick To select another option 1 Mark the applicable option One of the options is pre selected white 2 Press the OK button to confirm the selected option The selected PH option has a green tick Fa Chapter 2 13 14 Setting a value time amp date 4 4 time ea pe date n a yaa LOE day Q 05012010 4 En Lol month O 2010 01 05 0 year Values to be changed To set a value 1 Mark the value you want to set using the control knob at b 4 2 Press the OK button The background of the value becomes p green which means that you have accessed the setting mode Ol 3 Turn the control knob to the right to increase the value and to Ray the left to reduce the value 4 Press the OK button to confirm the value you have set To change 04 and return to the original value press the Back button 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 windows in the start guide 4 6 anguage Se Arrows to scroll through window in start guide 1 Turnthe control knob until one of the arrows in the top left corner at the page number has been marked 2 Press the OK button to skip between the steps in the start guide Chapter
31. or the selected period is activated here Set times are not affected at deactivation Day Select which day or days of the week the schedule is to apply to here To remove the scheduling for a particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Adjusting How much the heating curve is to be offset in relation to menu 1 1 during scheduling is set here If the rooms sensor is installed the desired room temperature is set in C Conflict If two settings conflict with each other a red exclamation mark is displayed TIP you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Chapter 3 Menu 1 9 Caution the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for Changes of temperature in accommodation take time For example short time periods in combination with underfloor heating will not give a no ticeable difference in room temperature advanced Menu EfeWelatectem is intended for the advanced 1 9 advanced user This menu has several sub menus external adjustment Setting the heating min flow line temp
32. ormation window info action reset alarm Alarm aid mode In the event of an alarm with a red status lamp a malfunction has oc curred that the heat pump and or control module cannot remedy itself In the display by turning the control knob and pressing the OK button you can see the type of alarm it is and reset it You can also choose to set the installation to aid mode info action Here you can read what the alarm means and receive tips on what you can do to correct the problem that caused the alarm reset alarm In most cases it is enough to select reset alarm to correct the problem that caused the alarm If a green lightilluminates after select ing reset alarm the alarm has been remedied If a red light is still visible and a menu called alarm is visible in the display the problem that caused the alarm remains If the alarm disappears and then returns contact your installer aid mode aid mode is a type of emergency mode This means that the installation produces heat and or hot water despite there being some kind of problem This can mean that the heat pump s compressor is not running In this case any electrical addition produces heat and or hot water Chapter 4 51 52 Caution Selecting aid mode is not the same as correcting the problem that caused the alarm The status lamp will therefore continue to be red the alarm does not reset contact your installer for suitable remedial ac
33. particular day the time for that day must be reset by setting the start time to the same as the stop time If the line all is used all days in the period are set for these times Time period The start and stop time for the selected day for scheduling are selected here Conflict If two settings conflict with each other a red exclamation mark is displayed TIP If you wish to set similar scheduling for every day of the week start by filling in all and then changing the desired days Caution If the stop time is before the start time it means that the period extends past midnight Scheduling always starts on the date that the start time is set for Chapter 3 t your se 49 cr Caution Long term scheduling of quiet mode can cause reduced comfort and operating economy 50 Chapter 3 SMO 20 at your service NIBE SMO 20 4 Disturbances in comfort In most cases the control module notes a malfunction and indicates this with alarms and shows instructions to rectify it in the display See Manage alarm for information about managing alarms If the malfunction does not appear in the display or if the display is not lit the following troubleshooting guide can be used Manage alarm In the event of an alarm some kind of Mc malfunction has occurred which is Low pressure alarm indicated by the status lamp changing from green continuously to red con tinuously In addition an alarm bell appears in the inf
34. play is not illuminated and the status lamp illuminates yellow 10 Chapter 2 The control module the heart of the house NIBE SMO 20 Menu 1 Menu 2 Menu 3 Menu 4 Menu system Outdoor temperature Indoor temperature if room sensors are installed INDOOR CLIMATE HOT WATER Hot water temp INFO Estimated amount of hot water MY SYSTEM Temporary lux if activated INDOOR CLIMATE Setting the indoor climate See page 19 HOT WATER Setting the hot water production See page 31 This menu only appears if a water heater is installed in the system INFO Display of temperature and other operating information and access to the alarm log See page 35 MY SYSTEM Setting time date language display operating mode etc See page 39 Chapter 2 11 Menu number marked sub menu Name and menu number main menu Symbol INDOOR CLIMATE 1 main men 2 INDOOR CLIMA temperature scheduling Marked main menu Symbols sub menus Name sub menus Status information sub menus Operation To move the cursor turn the control knob to the left or the right The marked position is brighter and or has a light frame Selecting menu To advance in the menu system select a main menu by marking it and then pressing the OK button A new window then opens with sub menus Select one of the sub menus by marking it and then pressing the OK button 12 Chapter 2 Selecting opti
35. s before making anew setting so that the room temperature has time to stabilise it is cold outdoors and the room temperature is too low increase the curve slope in menu 1 9 1 by one increment it is cold outdoors and the room temperature is too high lower the curve slope menu 1 9 1 by one increment it is warm outdoors and the room temperature is too low increase the value in menu 1 1 by one increment it is warm outdoors and the room temperature is too high reduce the value in menu 1 1 by one increment scheduling In the menu 836 indoor cli scheduling13 mate heating is scheduled for each weekday You can also schedule a longer period during a selected period vacation in heating menu 4 7 heating Increases or decreases in the accommodation temperature can be sched uled 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 One step is usually enough to change the room temperature by one degree but in some cases several steps may be re quired Chapter 3 21 22 Activated Schedule activated all mon we fri 20 5 sat sun Conflict Day Time period Adjusting Schedule The schedule to be changed is selected here Activated Scheduling f
36. s 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 Conflict If two settings conflict with each other a red exclamation mark is displayed E Blocking the compressor in the outdoor unit EA 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 schedule silent mode The compressor can be scheduled to be set to quiet mode the heat pump must support this for up to two different time periods here When scheduling is active the guiet mode symbol is shown in the main menu on the symbol for the control module Chapter 3 SMO 20 Activated Schedule schedule silent mode 4 9 6 chedule 1 schedule 2 amp activated 14 00 Conflict Day Time period 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
37. ssioning checklist as a means of complying with the appro priate Building Regulations England and Wales All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number on the Benchmark Checklist This product should be serviced regularly to optimise its safety efficiency and performance The service engineer should complete the relevant Service Record on the Benchmark Checklist after each service The Benchmark Checklist may be reguired in the event of any warranty work and as supporting documentation relating to home improvements in the optional documents section of the Home Information Pack Chapter 1 Important informatior Chapter 1 Important information NIBE SMO 20 SMO 20 An excellent choice SMO 20 is an electric control module which has been introduced to supply your home with inexpensive and environmentally friendly heating Heat production is reliable and economical with a NIBE air water heat pump and accumulator water heater An additional heater for example electric oil gas boiler can engage automatically if something unexpected should occur or as reserve opera tion Excellent properties for SMO 20 Easy to read display The control module has an easy to read display with easy to understand menus that facilitate se
38. t temperatures etc can be ob op prioritisation hot water i hot water charging 49 0 C tained here No changes can be made WW 4 BA calculated flow temp 45 8 C The information is on several pages 8 Turn the control knob to scroll outdoor temp between the pages ext heat med pump charge pump speed Symbols in this menu 4 E Com fa pressor Addition Hot wa ter Heating Chapter 3 35 Menu 32 Menu 36 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 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 3 status number of starts total operating time of which hot water status time factor compressor info 3 2 add heat info 3 3 i Menu 3 4 alarm log alarm log 4 To facilitate fault finding the installa tion s operating status at alarm alerts is stored here You can see informa tion for the 10 most recent alarms To view the run status in the event of an alarm mark the alarm and press the OK button alarm log 3 4 outdoor temp condenser return condenser out addition
39. t whether the temperature of the hot water should be affected when activating SG Ready With low price mode on SG Ready the stop temperature of the hot water is set as high as possible at only compressor operation immersion heater not permitted With over capacity mode of SG Ready the hot water is set to luxury immersion heater permitted affect cooling accessories required Here you set whether room temperature during cooling operation should be affected when activating SG Ready With low price mode of SG Ready and cooling operation the indoor temperature is not affected With over capacity mode of SG Ready and cooling operation the parallel offset for the indoor temperature is reduced by 1 If a room sensor is installed and activated the desired room temperature decreases by 1 C Chapter 3 N Menu 4 2 NOTE The function must be connected and activated in your SMO 20 op mode op mode op mode 4 2 Setting range auto manual add heat only Default value auto amp auto _ manual functions _ add heat only Setting range compressor addi tion heating cooling The control module operating mode is usually set to auto It is also pos sible to set the control module to add heat only when only additional heat is used or manual and then select what functions are to be permit ted Change the operating mode by marking the desired mode and pressing the OK button W
40. tting a comfortable indoor climate Easy to install SMO 20 is easy to install together with a compatible NIBE air water heat pump When installing together with these the control module is connected to the heat pump which enables you to see any heat pump alarms in SMO 20 The size of the control module means that it can be installed on walls indoors for easy access to control your install ation Chapter 1 Important information NIBE SMO 20 7 2 The control module the heart of the house Control module s function SMO 20 is a simple electrical control module which together with NIBE air water heat pump accumulator water heater and additional heater e g electric gas boiler creates a complete installation Among other things it controls the heat pump circulation pumps reversing valves and additional heat to supply your home with inexpensive and environmentally friendly heating in the most efficient way Contact with SMO 20 Display unit A Display B status lamp OK button Back button Control knob Switch There is a display unit on the front of the control module which is used to communicate with SMO 20 Here you switch on switch off or set the installation to emergency mode set the indoor climate and hot water as well as adjust the installation to your needs J Chapter 2 The control module the heart of the house NIBE SMO 20 r
41. ture one degree increases power consump tion by approx 5 Domestic electricity In the past it has been calculated that an average Swedish household has an approximate annual consumption of 5000 kWh domestic electri city year In today s society it is usually between 6000 12 000 kWh year Eguipment Normal Output Approx W imate annual con sump tion kWh Standby Flat screen Operation 5 h day Standby 19 2 h day Digital box Operation 5 h day Standby 19 11 h day DVD Operation 2 h week TV games console Operation 6 h week 160 2 Radio stereo Operation 3 h day 40 Computer incl screen Operation 3 h day standby 21 h day Bulb Operation 8 h day 365 Dishwasher cold water connection Opera 2000 730 tion 1 time day Washing machine Operation 1 time day 2000 730 Tumble drier Operation 1 time day 2000 Vacuum cleaner Operation 2 h week 1000 100 50 Engine block heater Operation 1 h day 4 400 months a year Chapter 2 The control module the heart of the house NIBE SMO20 17 18 Equipment Normal Output Approx W imate annual con sump tion kWh Passenger compartment heater Operation 800 100 1 h day 4 months a year These values are approximate example values Example A family with 2 children live in a house with 1 flat screen TV 1 digital box 1 DVD player 1 TV games console 2 computers 3 stereos 2 bulbs in the WC 2 bu
42. ure with room sensors installed and activated UU Setting range 5 30 C Default value 20 The value in the display appears as a temperature in C if the heating sys tem is controlled by a room sensor Chapter 3 19 20 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 temperature is shown on the right hand side of the symbol in the display Setting the temperature without room sensors activated Setting range 10 to 10 Default value O The display shows the set values for heating curve offset To increase or reduce theindoor 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 depends on the heating installation One step is usually enough but in some cases several steps may be required Setting the desired value The new value is shown on the right hand side of the symbol in the display Caution An increase in the room temperature can be slowed by the thermostats for the radiators or under floor heating Therefore open the thermostats fully except in those rooms where a cooler temperature is required e g bedrooms Chapter 3 SMO 20 Menu 13 Menu TIP Wait 24 hour
43. ure is Chapter 6 Glossary BE SMO20 57 58 Disturbances in comfort Disturbances in comfort are undesirable changes to the hot water indoor comfort for example when the temperature of the hot water is too low or if the indoor temperature is not at the desired level A malfunction in the heat pump can sometimes be noticed in the form of a disturbance in comfort In most cases the heat pump notes operational interference and indicates this with alarms and shows instructions in the display Domestic hot water The water one showers in for example DUT dimensioned outdoor temperature The dimensioned outdoor temperature differs depending on where you live The lower the dimensioned outdoor temperature the lower the value should be selected on selecting a heat curve Efficiency A measurement of how effective the heat pump is The higher the value is the better it is Electrical addition This is electricity that for example an immersion heater uses as addition during the coldest days of the year to cover the heating demand that the heat pump cannot manage Filtering time Enter the time the average outdoor temperature is calculated on Flow pipe The line in which the heated water is transported from the heat pump out to the house heating system radiators heating coils Heat exchanger Device that transters heat energy from one medium to another without mixing mediums Examples of different heat exchangers are ev
44. uto the control module selects when start and stop of additional heat and heat production is permitted dependent on the average outdoor temperature When the operating mode is set to auto the control module selects when start and stop of additional heat and heat production is permitted dependent on the average outdoor temperature If accessories for cooling are present or if the heat pump has the integrated cooling function and it is activated in the menu you can also select the start temperature for cooling Select the average outdoor temperatures in this menu You can also set the time over which filtering time the average temper ature is calculated If you select 0 the present outdoor temperature is used CF Caution It cannot be set stop additional heat higher than stop heating Chapter 3 45 cr Caution In systems where heating and cooling share the same pipes stop heating cannot be set higher than start cooling Menu degree minute setting 4 9 3 current value Setting range 3000 0 degree minute setting 4 9 3 start compressor current value 3 DM Setting range 1 000 30 start compressor 60 Default value 60 start diff additional heat 400 DM i a diff between additional steps 100 DM start diff additional heat Setting range 100 1000 Default value 400 diff between additional steps Setting range 0 1000 Default value 30 Degree minutes are a measurement
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