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Installer manual SMO 20

1. AA7 X2 T 1 SMO 20 IL EE PE EE CES S Kp E s pps External LIN O 1 1 0 PE 213 EE EA ERES NENA S EE a Al Al Al xp Ter _ K3 A2 A2 A2 If the relays are to be used for control voltage bridge the supply from terminal block X1 1 toX2 1 X2 3 and X2 5 on additional relay board AA7 Connect the neutral from the external additional heat to terminal block X1 0 With step controlled additional heat before the reversing valve The electric additional heat will charge with the max imum permitted immersion heater output together with the compressor to conclude the hot water char ging and return to charging the heating as soon as possible This only occurs when the number of degree minutes is below the start value for the additional heat Chapter 5 Electrical connections 19 Relay output for emergency mode NOTE s Markup any junction boxes with warnings for external voltage When the switch SF1 is in A mode emergency mode the circulation pump is activated EB101 GP12 EE Caution No hot water is produced when emergency mode is activated The emergency mode relay can be used to activate external additional heat an external thermostat must then be connected to the control circuit to control the temperature Ensure that the heating medium circu late
2. Align the two lower mountings on the reverse of the display unit with the two upper holes in the panel as illustrated SMO 20 Secure the display on the panel 5 Whenthe electrical connection is ready the display must be reinstalled with three mounting points again otherwise the front cover cannot be in stalled SMO 20 Cable lock Use a suitable tool to release lock cables in the heat pump terminal blocks Terminal block on the electrical card Chapter 5 Electrical connections 15 Connections zr opem SE GND Grp HHN I NOTE ii dis M I To prevent interference unscreened commu c Hs Hu nication and or sensor cables to external con FEL aE H D mjuk nections must not be laid closer than 20 cm d p LIT See SMO 20 i L ae Gre from high voltage cables GE Sept Power connection SMO 20 must be installed via an isolator switch with a minimum breaking gap of 3mm Minimum cable area must be sized according to the fuse rating used
3. HrI j I rtI z U Tariff control If the voltage to the compressor in the heat pump dis appears for a certain period simultaneous blocking of these must take place via software controlled input AUX input to avoid alarm see page 21 Connecting the charge pump for the heat pump Connect circulation pump EB101 GP12 as illustrated to terminal block X4 5 PE X4 6 N and X4 7 230 V on the base board AA2 Control signal for EB101 GP12 is connected to termin al block X2 1 PWM and X2 2 GND as illustrated i BOO E ii i Gard E S P 8 9 i SMO 20 External Zj w a M1 EB101 GP12 16 Chapter 5 Electrical connections SMO 20 Communication with heat pump Connect the heat pump EB101 with a screened three core cable to terminal block X2 19 A X2 20 B and X2 21 GND as illustrated
4. Du Col s CEO Bohan plici eee ES F2040 GND 6E B 5 AA23 X4 B n GND 3G ES Al 1 F2030 NEIE Nie Dill enol oo Uie qu F2016 F2026 my a e anoll F2015 F2020 F2025 F2300 SEN iru KE Erf a e DERI 9 S V E l Lira RR EU um p d esa a SMO 20 een d E DO Et Dro D Ge de O GND SMO 20 Outside sensor Install the outside temperature sensor BT1 in the shade on a wall facing north or north west so it is un affected by the morning sun Connect the sensor to terminal block X2 3 and X2 6 Use a twin core cable of at least 0 5 mm cable area If a conduit is used it must be sealed to prevent con densation in the sensor capsule Een oa LED amm SMO20 External CEI 3 e SUE a oo Se Inn T CR Tit Uis 10 Sp Pra e oo 00 6 TI alle atte Ji Temperature sensor hot water charging The temperature sensor hot water charging BT6 is placed in the submerged tube on the water heater Connect the sensor to terminal block X2 5 and X2 6 Use a twin core cable of at least 0 5 mm ca
5. External The picture shows the relay in the alarm position When switch SF1 is in the or A position the relay is in the alarm position SMO 20 Hot water circulation pump or external heating medi um pump connected to the buzzer alarm relay as illus trated below NOTE s A Markupany junction boxes with warnings for external voltage oi a 4 i s D Ea x Y 14 15 16 17 i SMO 20 B External KE PE Reversing valve for cooling connected to the buzzer alarm relay as illustrated below ELIT TE LS e D 1405 16 i7 lO SMO 20 d External cpa Y Caution The relay outputs can have a max load of 2 A at resistive load 230V AC Connecting accessories Instructions for connecting other accessories are in the installation instructions provided See page 46 for the list of the accessories that can be used with SMO 20 Chapter 5 Electrical connections 23 24 6 Commissioning and adjusting Preparations Compatible NIBE air water heat
6. Enter menu 2 2 and select a higher comfort mode Too low or no operating prioritisation of hot water Enter menu 4 9 1 and increase the time for when hot water is to be prioritised Low room temperature Closed thermostats in several rooms Set the thermostats to max in as many rooms as possible Adjust the room temperature via menu 1 1 instead of choking the thermostats 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 If mode manual is selected select heating If this is not enough select addition a Too low set value on the automatic heating control Entermenu 1 1 temperature and adjust the offset heating curve up 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 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 activ ated Check any external switches a Air in the climate system SMO 20 Vent the climate system Closed valves to the climate system Open the valves High room temperature Too high set value on the automatic heating control Enter menu 1 1 temperature and reduce the off set heating curv
7. lt gt NIBE Installer manual SMO 20 Control module IHB GB 1546 5 231758 Navigation L 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 29 How to scroll through menus and make different settings is described on page 31 Set the indoor climate The mode for setting the indoor temperature is accessed by pressing the OK button twice when in the start mode in the main menu Increase hot water volume g 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 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 44 for instructions Table of Contents Important information 4 Safety information 4 Delivery and handling 7 Mounting 7 Supplied components 7 The Control Module Design 8 Electrical components 8 Pipe connections General 9 Docking alternatives 10 Electrical connections 13 General 13 Connections 16 Optional connections 19 Connecting accessories 23 Commissioning and adjusting 24 Preparations 24 Commissioning with NIBE air water heat pump 24 Commissi
8. Menu 1 INDOOR CLIMATE Setting and scheduling the indoor climate See inform ation in the help menu or user manual Menu 2 HOT WATER Setting and scheduling hot water production See in formation in the help menu or user manual This menu only appears if a water heater is installed in the system Menu 3 INFO Display of temperature and other operating informa tion and access to the alarm log See information in the help menu or user manual Menu 4 MY SYSTEM Setting time date language display operating mode etc See information in the help menu or user manual Menu 5 SERVICE Advanced settings These settings are not available to the end user The menu is made visible by pressing the Back button for 7 seconds when in the start menu See page 36 Chapter 7 Control Introduction Symbols in the display Thefollowing symbols can appear in the display during operation Symbol 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 in the outdoor unit or addi tional heat in the installation is blocked via SMO 20 These can for example be blocked de pending on which operating mode is se lected in menu 4 2 if blocking is sched uled in menu 4 9 5 or if an alarm has oc curred that blocks one of them m Blocking the compressor Blocking additional heat This symbol
9. S GES System settings for the control mod ule activating accessories etc SoS Setting software controlled in and outputs on the input card AA3 and terminal block X2 user sake Total reset of all settings includ ing settings available to the user to default values rail Forced control of the different compon ents in the indoor module Beissel Manual start of the start guide which is run the first time when the control module is started SS ia Quick starting the compressor Chapter 8 Control 5 11 1 1 heat pump 5 11 1 2 charge pump GP12 NOTE 8 Incorrect settings in the service menus can damage the installation Menu 5 1 operating settings Operating settings can be made forthe control module in the sub menus SMO 20 Menu 5 1 1 hot water settings economy Setting range start temp economy 5 55 C Factory setting start temp economy 42 C Setting range stop temp economy 5 60 C Factory setting stop temp economy 48 C normal Setting range start temp normal 5 60 C Factory setting start temp normal 46 C Setting range stop temp normal 5 65 C Factory setting stop temp normal 50 C luxury Setting range start temp lux 5 70 C Factory setting start temp lux 49 C Setting range stop temp lux 5 70 C Factory setting stop temp lux 53 C stop temp per increase Setting range 55 70 C Factory setting 55 C charge method S
10. curve system heating curve Setting range O 15 Default value 9 cooling curve accessory required Setting range 0 9 Default value O The prescribed heatina curve for vour house can be viewed in the menu EELER 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 thatthe control module s control computer determines the temperature of the water to the heating system supply temperature and therefore the indoor temper ature Select the heating curve and read off how the supply temperature changes at different outdoor temperatures here If there is access to cooling the same settings can be made for the cooling curve Curve coefficient The slopes of the heating cooling curves indicate how many degrees the supply temperature is to be in creased reduced when the outdoor temperature drops increases A steeper slope means a higher supply temperature for heating or a lower supply temperature for cooling at a certain outdoor temperature Chapter 6 Commissioning and adjusting Supply temperature C 70 Steeper curve slope 60 50 40 30 10 0 10 20 30 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 curve is set when the heating instal
11. floor heat rad floor heat DOT C Default value radiator Setting range DOT 40 0 20 0 C The factory setting of DOT value depends on the country that has been given for the product s loca tion The example below refers to Sweden Factory setting DOT 20 0 C own setting Setting range dT at DOT 0 0 25 0 Factory setting dT at DOT 10 0 Setting range DOT 40 0 20 0 C Factory setting DOT 20 0 C The type of heating distribution system the heating medium pump works towards is set here dT at DOT is the difference in degrees between flow and return temperatures at dimensioned outdoor temperature Menu 5 1 22 heat pump testing NOTE This menu is intended for testing SMO 20 ac cording to different standards Use of this menu for other reasons may result in your installation not functioning as inten ded This menu contains several sub menus one for each standard Menu 5 1 23 compressor curve Set whether the compressor in the heat pump should work to a particular curve under specific requirements or if it should work to predefined curves You set a curve for a demand heat hot water cooling etc by unticking auto turning the control knob until a temperature is marked and pressing OK You can now set at what temperature max respectively min frequencies will occur This menu can consist of several windows one for each available demand use the navigation arrows in the top
12. Cable grommet incoming supply electricity power for accessories UB2 Cable gland signal Designations in component locations according to standard IEC 81346 1 and 81346 2 ponen UNA ler unnm Bp js Amm n rej L Der Chapter 3 The Control Module Design SMO 20 4 Pipe connections General Pipe installation must be carried out in accordance with current norms and directives See manual for compat ible NIBE air water heat pump for installation of the heat pump Compatible NIBE air water heat pumps Compatible NIBE air water heat pumps must be equipped with a control card that has at least the software version given in the following list The control card version is displayed in the heat pump s display if applicable upon start up Product Software version F2015 55 F2016 55 F2020 118 F2025 55 F2026 55 F2030 all versions F2040 all versions F2300 55 Symbol key Symbol Meaning Shut off valve Trim valve Shunt shuttle valve Safety valve Temperature sensor Pressure gauge Circulation pump Particle filter Auxiliary relay 11810 6 2 eoe SMO 20 Temperatu
13. Commissioning with NIBE air water heat pump 24 Cooling mode 24 Preparations 24 Setting hot water circulation 28 Setting the cooling heating curve 26 SG Ready 28 Start guide 25 Commissioning with additional heating only 24 Commissioning with NIBE air water heat pump 24 Communication with heat pump 17 Connecting accessories 23 Connecting the charge pump for the heat pump 16 Connections 16 Contact for activation of external adjustment 22 Contact for activation of temporary lux 22 Contact for external tariff blocking 21 Contact information 6 Control 29 33 Control Introduction 29 Control Menus 33 Control Introduction 29 Display unit 29 Menu system 30 Control knob 29 Control Menus 33 Menu 5 SERVICE 36 Cooling mode 24 Cooling mode indication 23 D Delivery and handling 7 Mounting 7 Supplied components 7 Display 29 Display unit 29 Back button 29 Control knob 29 Display 29 OK button 29 Status lamp 29 Switch 29 Disturbances in comfort 44 Alarm 44 Manage alarm 44 Only additional heat 45 Troubleshooting 44 Docking alternatives 10 E Electrical connections 13 Accessibility electrical connection 14 Cable lock 15 Communication with heat pump 17 Connecting accessories 23 Connecting the charge pump for the heat pump 16 Connections 16 External circulation pump 20 Chapter 13 Item register External connection options 21 General 13 Miniature circuit bre
14. Mounting 7 N NIBE Uplink 20 O OK button 29 Only additional heat 45 Operation 31 Optional connections 19 Outdoor sensor 17 SMO 20 P Pipe connections 9 Docking alternatives 10 General 9 Symbol key 9 Possible selection for AUX inputs 21 Possible selection for AUX output potential free variable relay 23 Power connection 16 Preparations 24 R Relay output for emergency mode 20 Reversing valve 20 Room sensor 19 S Safety information 4 Contact information 6 Inspection of the installation 5 Marking 4 Serial number 4 Symbols 4 Scroll through the windows 32 Selecting menu 31 Selecting options 31 Serial number 4 Service 41 Service actions 41 Service actions 41 Standby mode 41 Temperature sensor data 41 USB service outlet 42 Setting a value 31 Setting hot water circulation 28 Setting the cooling heating curve 26 SG Ready 28 Standby mode 41 Start guide 25 Status lamp 29 Step controlled additional heat 19 Supplied components 7 Switch 29 Switch for Smart Grid ready 21 Switch for activation of external alarm 22 Switch for external blocking of function 22 Symbol key 9 Symbols 4 T Technical data 48 Technical Data 49 Technical Data 49 Temperature sensor cooling heating 21 Temperature sensor external flow line 18 21 Temperature sensor external supply line after electric heater 18 Temperature sensor flow line cooling 21 Temperature sensor hot wat
15. 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 update Menu 7 2 logging activated interval Setting range 1 s 60 min Factory setting range 5s Here you can choose how current measurement values from SMO 20 should be saved onto a log file on the USB memory 1 Setthe desired interval between loggings 2 Tick activated 3 The present values from SMO 20 are saved in a file in the USB memory at the set interval until activ ated is unticked NOTE e Untick activated before removing the USB memory Menu 7 3 manage settings save settings recover settings Here you can manage save as or retrieve from all the menu settings user and service menus in SMO 20 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 SMO 20 NOTE s 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 NOTE s Reset of the menu settings from the USB memory cannot be undone Chapter 9 Service 43 44 10 Disturbances in comfort In Most cases the control module notes a malfunction and indicates this with alarms and shows instruct
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17. appears if periodic increase or lux mode for the hot water is activated This symbol indicates whether holiday setting is active in 4 7 has contact with NIBE Uplink This symbol indicates whether cooling is active d This symbol indicates whether SMO 20 S Heat pump with cooling function re quired SMO 20 Menu number marked sub menu INDOOR CLIMATE HOT WATER INFO I HEAT PUMP Marked main menu Symbols 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 Selecting options economy L normal L J luxu Alternative In an options menu the current selected option is indicated by a green tick 5 To select another option 1 Markthe applicable option One ofthe options g is pre selected white 2 Press the OK button to confirm the selected option The selected option has a green tick E SMO 20 Name and menu number main menu Symbol main menu temperature VM scheduling advanced Status information sub menus Name sub menus Setting a value Values to be changed To set a val
18. heat pump can produce During cooling operation requires compatible heat pump the reversing valve EQ1 QN12 switches to the cooling system EQ1 If several simultaneous demands occur while there is a cooling demand the installation reacts differently In event of a hot water demand the reversing valve EQ1 QN12 switches back and hot water is produced until the demand is fulfilled In event of a heating demand the reversing valve EQ1 QN12 instead switches periodically between the demands If the cooling demand is met the reversing valve switches back to basic mode heat hot water SMO 20 Chapter 4 Pipe connections 11 12 Compatible air water heat pump together with SMO 20 docking step controlled additional heat after reversing valve for hot water and cooling function 4 pipe system Q i E EQ1 RN10 AA25 QN10 Lt pla FL2 X 1 A CM1 c l cP10 LAr a AA25 817 Li EN EQ1 QN12 S H AA25 BT6 C Sg gt eee T EB101 Y D QM31 KA1L RR EB20 7 GPI2 HQ QM43 C t D Dq b d I NOTE NIBE does not supply all components in this outline diagram This installations alternative is suitable for more c
19. left corner to change between the windows Chapter 8 Control NOTE This menu is only displayed if SMO 20 is con nected to a heat pump with inverter controlled compressor Menu 5 2 system settings Make different system settings for your installation here e g activate the connected heat pump and which accessories are installed Menu 5 2 2 installed heat pump If a heat pump is connected to the master installation set it here Menu 5 2 4 accessories Set which accessories are installed on the installation here If the water heater is connected to SMO 20 hot water charging must be activated here Menu 5 4 soft in outputs Here you can select the in output on the input board X2 the external contact function page 21 must be connected to Selectable inputs on terminal blocks AUX1 6 X2 11 18 and output AA2 X4 Menu 5 5 factory setting service All settings can be reset including settings available to the user to default values here NOTE s Whenresetting the start guide is displayed the next time the control module is restarted Menu 5 6 forced control You can force control the different components in the control module and any connected accessories here Menu 5 7 start guide When the control module is started for the first time the start guide starts automatically Start it manually here See page 25 for more information about the start guide SMO 20 Menu 5 8 quick start It is po
20. relay K1 is active External additional heat is active if it is connected to the emergency mode relay K1 terminal block X1 Ensure that the heating medium circulates through the external additional heat SMO 20 Temperature sensor data Temperature Resistance Voltage VDC GC kOhm 40 351 0 3 256 35 251 6 3 240 30 182 5 3 218 25 133 8 3 189 20 99 22 3 150 15 74 32 3 105 10 56 20 3 047 5 42 89 2 976 0 33 02 2 889 5 25 61 2 789 10 20 02 2 673 15 15 77 2 541 20 12 51 2 399 25 10 00 2 245 30 8 045 2 083 35 6 514 1 916 40 5 306 1 752 45 4 348 1 587 50 3 583 1 426 55 2 968 1 278 60 2 467 1 136 65 2 068 1 007 70 1 739 0 891 75 1 469 0 785 80 1 246 0 691 85 1 061 0 607 90 0 908 0 533 95 0 779 0 469 100 0 672 0 414 Chapter 9 Service 41 USB service outlet SMO 20 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 informa tion and handle the settings in SMO 20 INDOOR CLIMATE HOT WATER INFO HEAT PUMP m USB d i update firmware y logging 13 manage settings When a USB memory is connected a new menu menu 7 appears in the display 42 Chapter 9 Service Menu 7 1 update firmware prod ct Heatpump info start updating choose another file This allows yo
21. the corresponding flow is from 0 09 I s 324 I h to 0 14 I s 504 I h During the start up guide the reversing valves and the shunt are run back and forth to help vent the heat pump Caution As long as the start guide is active no function in the heat pump will start automatically The guide will appear at each heat pump re start until it is deselected on the last page SMO 20 Operation in the start guide Page Name and menu number Option setting 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 Pressthe 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 consult the help menu or read the user manual Option setting Make settings for the system here Help menu m IN many menus there is a symbol that indicates 2 that extra help is available To access the help text 1 Usethe control knob to select the help symbol 2 Pressthe OK button The help text often consists of several windows that you can scroll between using the control knob 25 26 Setting the cooling heating
22. valve opens or is open for hot water charging 3 Deactivate AA2 K1 QN10 in menu 5 6 Chapter 6 Commissioning and adjusting Check AUX socket To check any function connected to the AUX socket 1 Activate AA2 X4 in menu 5 6 2 Checkthe desired function 3 Deactivate AA2 X4 in menu 5 6 Cooling mode If the installation contains a NIBE air water heat pump that can produce cooling for example NIBE F2040 cooling can be permitted in menu 5 11 1 1 You can now select cooling mode indication in menu 5 4 for AUX output SMO 20 NOTE There must be water in the climate system before the switch is set to I 1 Setthe control module s switch to I 2 Follow the instructions in the start guide in the control module display If the start guide does not start when you start the control module start it manually in menu 5 7 TIP ROS Ld Y See page 29 for a more in depth introduction to the installation s control system operation menus etc Commissioning The first time the installation 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 installation 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 This applies to a heat pump with approximately 4 kW rated output Fora 15 kW heat pump
23. with an external revers ing valve QN10 for hot water control see page 46 for accessory Hot water production can be selected in menu 5 2 4 Connect the external reversing valve QN10 as illus trated to terminal block X4 2 N X4 3 control and X4 4 L on the base board AA2 B m mi THE SMO 20 1 External p Lo T X NIBE Uplink Connect the network connected cable straight Cat 5e UTP with RJ45 contact male to contact AA4 X9 on the display unit as illustrated Use the cable grommet UB2 in the control module for cable routing SMO 20 External connection options On terminal block X2 SMO 20 has software controlled inputs and outputs for connection of sensors and ex ternal switch function This means that a sensor or an external switch function can be connected to one of six special connections where the function for connec tion is decided in the control module software Caution If an external contact function is connected to SMO 20 the function for use input or output must be selected in menu 5 4 Selectable inputs terminal block X2 for these functions are AUX1 X2 11 AUX2 X2 12 AUX3 X2 13 AUX4 X2 15 AUX5 X2 16 andAUX6 X2 17 Earth is con nected to terminal block X2 14 respectively X2 18 see electrical wiring diagram for mor
24. 0 Disturbances in comfort 45 46 11 Accessories Auxiliary relay HR 10 Part no 067 309 Charge pump CPD 11 Charge pump for heat pump CPD 11 25 65 CPD 11 25 75 Part no 067 321 Part no 067 320 Connection box K11 Connection box with thermostat and overheating protection Part no 018 893 External electric additional heat ELK These accessories may require accessories card AXC 30 step controlled addition ELK 5 Immersion heater 5kW 1x230V Part no 069 025 ELK 8 Immersion heater 8 kW 1 x 230 V Part no 069 026 ELK 15 Immersion heater 15 kw 3x 400 V Part no 069 022 ELK 26 Immersion heater 26 kW 3x 400V Part no 067 074 ELK 213 Immersion heater 7 13 kW 3 x 400 V Part no 069 500 Heat pump F2030 7 kW Part no 064 099 9 kW Part no 064 070 F2040 8 kW Part no 064 109 12 kW Part no 064 092 16 kW Part no 064 108 Chapter 11 Accessories F2300 14 kW Part no 064 063 20 kW Part no 064 064 Hot water control VST 05 Reversing valve Cu pipe 022 Max heat pump size 8 kW Part no 089 882 VST 11 Reversing valve Cu pipe 228 Max recommended output 17 kW Part no 089 152 VST 20 Reversing valve Cu pipe 035 Max recommended output 40 kW Part no 089 388 Immersion heater IU 3 kW Part no 018 084 6 kW Part no 018 088 9 kW Part no 018 090 Reversing valve for cooling VCC 05 Part no 067 311 VCC 11 Part no 067 312 Room sensorRTS 40 Part no 067 0
25. 17 29 33 E mail info volundvt dk www volundvt dk H NIBE Energy Systems OY Juurakkotie 3 01510 Vantaa Puh 09 274 697 0 Fax 09 274 697 40 E mail info nibe fi www nibe fi FR NIBE Energy Systems France Sarl Zone industrielle RD 28 Rue du Pou du Ciel 01600 Reyrieux Tel 04 74 00 92 92 Fax 04 74 00 42 00 E mail info nibe fr www nibe fr GB NIBE Energy Systems Ltd 3C Broom Business Park Bridge Way Chesterfield 541 9QG Tel 0845 095 1200 Fax 0845 095 1201 E mail info nibe co uk www nibe co uk NL NIBE Energietechniek B V Postbus 634 NL 4900 AP Oosterhout Tel 0168 477722 Fax 0168 476998 E mail infoQnibenl nl www nibenl nl NO ABK AS Brobekkveien 80 0582 Oslo Postadresse Postboks 64 Vollebekk 0516 Oslo a Tel sentralbord 47 23 17 05 20 E mail post abkklima no www nibeenergysystems no PL NIBE BIAWAR Sp z o o Aleja Jana Pawfa II 57 15 703 BIALYSTOK 085 662 84 90 Fax 085 662 84 14 E mail sekretariat 2 biawar com pl www biawar com pl RU EVAN 17 per Boynovskiy Nizhny Novgorod 1 D fax 7 831 419 57 06 E mail info evan ru www nibe evan ru SE NIBE AB Sweden Box 14 Hannabadsvagen 5 SE 285 21 Markaryd 46 0 433 73 000 Fax 46 0 433 73 190 E mail info nibe se www nibe se 1 D 1 D For countries not mention in this list please contact Nibe Sweden or check www nibe eu for more information Chapter 1 Important information SMO 20 2 Delivery and handling Mounting Supplied compo
26. 3 OND S ALL EZ if 4 u EI WAdAWMd a XU Teme N A dl Wavy IC zm zm 8LZ EE EVV zm PY Q D Aste F ax i LI N ALVIK WIRLITG 3 OINVL ND XILYJH 1318123 HDH WORLD ES E E 3 SS SL Z839 S1 187 Zei II A EE sne EL S S S 3d amp Ex DH W 3d x7 x x x SNOILINN e i im j AYYITIIXNY A v 37 0 l v SDCZW DAG E oa Ei ef vam Y d al H mg n NL uu D CS 89Z E O10 x E A L 3 0 an erop TIW T 1 ERES x He W Ol fe Na E Trgi 5 j zL sL IL D n SLIT 9 mr 9 R Dr Or De 5 AN t Si e uu CN in p rm A i DCH EL gn 1 m K IX Ho men O AL A I E LWV WEEK aseg Vid zvy 8 L 9 S y E V c SMO 20 Chapter 12 Technical data 52 8 L 9 5v y S9050 TE E OZONS E 222 LIND AE Vad VV TA 2 IN ged DE ES NE a wava 24M AANS ufsag EN L papaya REIS Lea Day 9 S Lag zi Eri T am WU pay ul 9 E s z v em POT NOA an E I l I II o ee 3p est pue Es ETS vad Ok 53 Chapter 12 Technical data SMO 20 54 13 Item register Item register A Accessibility electrical connection 14 Accessories 46 Alarm 44 B Back button 29 C Cable lock 15 Commissioning and adjusting 24 Commissioning with additional heating only 24
27. 65 Water heater Accumulator tank VPA 450 300 Water heater with double jacketed vessel Copper Part no 088 660 Enamel Part no 088 670 VPB 200 Water heater with charge coil Copper Part no 088 515 Enamel Part no 088 517 Stainless Part no 088 518 steel SMO 20 VPB 300 Hot water heater with charge coil Copper Part no 083 009 Enamel Partno 083 011 Stainless Part no 083 010 steel VPB 500 Copper lined water heater with charge coil Part no 083 220 VPB 750 2 Copper lined water heater with charge coil Part no 083 231 VPB 1000 Copper lined water heater with charge coil Part no 083 240 VPAS 300 450 Water heater with double jacketed vessel and solar coil Copper Part no 087 720 Enamel Part no 087 710 SMO 20 Chapter 11 Accessories 47 12 Technical data Dimensions and setting out coordinates eo QQQQQQD 0ooocoQ S OOO0000 6560066 70 al A 215 lt gt NIE 310 110 48 Chapter 12 Technical data SMO 20 Technical specifications CE lee A Electrical data Supply voltage 230 V 50 Hz Enclosure class 1P21 Rated value for impulse voltage kV 4 Pollution degree 2 Optional connections Max number air water he
28. O 20 External A Ds OI RS EEES a ete EO in ipn E E N Temperature sensor external supply at addi tional heat before reversing valve QN10 Connect temperature sensor external supply after electric heater BT63 required for additional heat be fore reversing valve for hot water charging QN10 to terminal block X2 9 and X2 10 Use a two core cable with a minimum 0 5 mm cable area io OO HU SMO 20 External 7 2 Lap uc HE Lu 00 EB Dl Ig D ju DUE E Ed 07D puris HN EK Gl d pod iz kel ME gt 2 Br H l 8 BT63 SE 0mo NOTE For docking that requires connection of other sensors See Possible selection for AUX inputs on page 21 Chapter 5 Electrical connections SMO 20 Optional connections Room sensor SMO 20 can be supplemented with a room sensor BT50 The room temperature sensor has up to three functions 1 Show current room temperature in the control module display 2 Option of changing the room temperature in C 3 Makesit possible to change stabi
29. aker 13 NIBE Uplink 20 Optional connections 19 Outdoor sensor 17 Power connection 16 Relay output for emergency mode 20 Reversing valve 20 Room sensor 19 Step controlled additional heat 19 Temperature sensor external flow line 18 Temperature sensor external supply line after electric heat er 18 Temperature sensor hot water charging 17 External circulation pump 20 External connection options 21 Contact for activation of external adjustment 22 Contact for activation of temporary lux 22 Contact for external tariff blocking 21 Cooling mode indication 23 Extra circulation pump 23 Hot water circulation 23 Possible selection for AUX inputs 21 Possible selection for AUX output potential free variable re lay 23 Switch for Smart Grid ready 21 Switch for activation of external alarm 22 Switch for external blocking of function 22 Temperature sensor cooling heating 21 Temperature sensor external flow line 21 Temperature sensor flow line cooling 21 Temperature sensor hot water top 17 Extra circulation pump 23 H Help menu 25 32 Hot water circulation 23 I mportant information 4 Safety information 4 nspection of the installation 5 M Manage alarm 44 Marking 4 Menu 5 SERVICE 36 Menu system 30 Help menu 25 32 Operation 31 Scroll through the windows 32 Selecting menu 31 Selecting options 31 Setting a value 31 Use the virtual keyboard 32 Miniature circuit breaker 13
30. at pumps 1 Max number of sensors 8 Max number of charge pumps 1 Max number of outputs for additional heat step 3 Operation mode EN60730 Type 1 Area of operation C 25 70 Ambient temperature C 5 35 Program cycles hours 1 24 Program cycles days 1 2 5 7 Resolution program min 1 Dimensions and weight Width mm 360 Depth mm 110 Height mm 410 Weight without packaging and enclosed components kg 4 3 Part No 067 224 SMO 20 Chapter 12 Technical data Electrical circuit diagram ea lt 8 L 9 sy 4 EA H T p 59050 E zw 0ZOWS CASO ll BV JIN Es NOLLJINNO IVNH3LX3 want IN px ad Aen m WYYDvId 38lM NE NI MO Z L dWNd DD DG did 29907 ARA FILLNHS arse eem Ld y E 0L49 Zi d9 LOLES OLNO Dental Jays Jesus JX3N 9 S SA ZHOS IVZ AOEC s ZH0S AOEZ N7002 war Wa ch u o Jee d Aldd S Y3MOd SLV WIWINI Wavy OINVL ND 231 V3H 12018 DICH 13131238 LLLA zm zm SL Z839 ESL 18J ett ISL LA3 ET gt gt gt N N N pam OF oH br x x x 304 me Aerer g R Od AE T lg Te E IE BE 2 T baue Serie ZX ZEN LVV E V i ZYY BIER g DELZW UJ M d E zm 5B B EZE mn 35 26 4 d NOILVIINAWNOD ONY SLANI F pA c ce mo m 2 DI m HE B S 2 Y a a ag
31. ble area Hot water charging is activated in menu 5 2 or in the start guide S SP SMO 20 External ETE D I Oo 00 DS ncr 60 8 010 S 0210 Gols 00 pido 0310 Oooo 8 4 Se COJO 7 5 elis OS Fam Sie Die D Bale dp 0 BTG B D 7 D HEI Temperature sensor hot water top A temperature sensor for hot water top BT7 can be connected to SMO 20 to show the water temperature atthe top of the tank if itis possible to install a sensor at the top of the tank Connect the sensor to terminal block X2 4 and X2 6 Use a twin core cable of at least 0 5 mm cable area LE i oo Bb SMO20 External Eug ou na T SE D HMR Renar nr dl aH 014 0 SE ojs o Oona BT7 nap na T 6 NW i TM SEH Di ID Chapter 5 Electrical connections 17 18 Temperature sensor external flow line Connect temperature sensor external supply BT25 required for additional heat after reversing valve QN10 to terminal block X2 8 and X2 10 Use a two core cable with a minimum 0 5 mm cable area ER P HSG SM
32. ck to basic mode heat hot water SMO 20 5 Electrical connections General Disconnect SMO 20 before insulation testing the house wiring If the building is equipped with an earth fault breaker SMO 20 should be equipped with a separate one SMO 20 must be installed via an isolator switch with a minimum breaking gap of 3mm For the electrical wiring diagram for the control module see page 50 Communication and sensor cables to external con nections must not be laid close to high current cables The minimum area of communication and sensor cables to external connections must be 0 5 mm up to 50 m for example EKKX or LiYY or equivalent Use a screened three core cable for communication with the heat pump When cable routing in SMO 20 cable grommets UB1 and UB2 marked in image must be used NOTE Theswitch SF1 must not be moved to l or A until the boiler in the system has been filled with water The compressor in the heat pump and any external addition can be dam aged NOTE Electrical installation and service must be car ried out under the supervision of a qualified electrician Cut the current with the circuit breaker before carrying out any servicing Electrical installation and wiring must be car ried out in accordance with the stipulations in force When installing SMO 20 NIBE s air water heat pump and any addition must be current free NOTE See outline diagram for your
33. cted input menu 5 4 see page 38 on terminal block X2 Use a 2 core cable of at least 0 5 mm2 cable area Temperature sensor flow line cooling In cases where the active cooling 4 pipe system function is used on the AUX output a temperature sensor supply line cooling BT64 must be connected to SMO 20 The alternative is only shown if the cool ing function in the heat pump has been activated Contact for external tariff blocking In cases where external tariff blocking is required it must be connected to terminal block X2 Tariff blocking means that the additional heat the compressor heating and cooling are disconnected by connecting a potential free switch function to the input selected in menu 5 4 A closed contact results in the electrical output being disconnected Switch for SG ready I NOTE s This function can only be used in mains net works that support the SG Ready standard SG Ready requires two AUX inputs In cases where this function is required it must be connected to terminal block X2 SG Ready is a smart form of tariff control where your electricity supplier can affect the indoor and hot water temperatures or simply block the additional heat and or the compressor in the heat pump at certain times of the day can be selected in menu 4 1 5 after the function is activated Activate the function by connecting potential free switch functions to two in puts selected in menu 5 4 SG Ready A a
34. cy mode lights red in the event of a deployed alarm OK button The OK button is used to confirm selections of sub menus options set values page in the start guide Back button The back button is used to E 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 Switch SF1 The switch assumes three positions 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 display is not illuminated and the status lamp illuminates yellow USB port The USB port is hidden beneath the plastic badge with the product name on it The USB port is used to update the software Visit http www nibeuplink com and click the Software tab to download the latest software for your installation Chapter 7 Control Introduction 29 30 Menu system Outdoor temperature Indoor temperature if room sensors are installed INDOOR CLIMATE HOT WATER INFO Hot water temp Estimated amount of hot water I HEAT PUMP SERVICE Temporary lux if activated
35. day here During the set periods the hot water cir culation pump will run according to the settings above operating time decide how long the hot water circu lation pump must run per operating instance downtime decide how long the hot water circulation pump must be stationary between operating instances Hot water circulation is activated in menu 5 4 soft in puts and outputs Chapter 6 Commissioning and adjusting SG Ready SG Ready This function can only be used in mains networks that support the SG Ready standard Make settings for the function SG Ready here Low price mode means that the electricity supplier has a low tariff and the system uses this to reduce costs Over capacity mode means that the electricity supplier has set the tariff very low and the system uses this to reduce the costs as much as possible affect room temperature Here you set whether room temperature should be affected when activating SG Ready With low price mode of SG Ready the parallel offset of the indoor temperature is increased by 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 set whether the temperature of the hot water should be affected
36. e IN many menus there is a symbol that indicates FA that extra help is available To access the help text 1 Use the control knob to select the help symbol 2 Pressthe OK button The help text often consists of several windows that you can scroll between using the control knob 8 Control Menu 1 INDOOR CLIMATE L INDOOR CLIMATE 1 1 temperature 1 1 1 heating 1 1 2 cooling 1 3 scheduling 1 3 1 heating 1 3 2 cooling 1 9 advanced 1 9 1 curve 1 9 1 1 heating curve 1 9 1 2 cooling curve 1 9 2 external adjustment 1 9 3 min flow line temp 1 9 3 1 heating 1 9 3 2 cooling 1 9 4 room sensor settings 9 5 cooling settings 9 7 own curve 1 9 7 1 heating 1 9 7 2 cooling 9 8 point offset Heat pump with cooling function required SMO 20 Chapter 8 Control 33 Menu 2 HOT WATER 2 HOT WATER 2 1 temporary lux 2 2 comfort mode 2 3 scheduling 2 9 advanced 2 9 1 periodic increase 2 9 2 hot water recirc 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 Accessories are needed 34 Chapter 8 Control SMO 20 Menu 4 MY SYSTEM 4 MY SYSTEM 4 1 plus functions 4 1 3 internet 4 1 3 1 nibe
37. e If the room temperature is only high in cold weather the curve slope in menu 1 9 1 heating curve needs adjusting down External switch for changing the room heating activ ated Check any external switches Low system pressure Not enough water in the climate system Top up the water in the climate system 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 re set 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 CF Caution When commissioning without NIBE air water heat pump an alarm communication error may appear in the display The alarm is reset if the relevant heat pump is deactivated in menu 5 2 2 installed heat pump SMO 20 Chapter 1
38. e information Selectable output is terminal block X4 15 17 on base card AA2 block heating activate temp lux not used not used not used not used Er SMO20 External Oooo Liu oo in 7 nura 10 zi Z SN MO ERE Oz 0 Z n w EES DI B fe et The example above uses the inputs AUX1 X2 11 and AUX3 X2 13 on terminal block X2 VE Caution Some of the following functions can also be activated and scheduled via menu settings Possible selection for AUX inputs Following functions can be connected to the AUX in puts on terminal block X2 These functions are then selected in menu 5 4 Use a 2 core cable of at least 0 5 mm2 cable area Temperature sensor cooling heating If a particular room will determine how the whole installation will work a room sensor BT74 is used If room sensor BT74 is connected to SMO 20 room sensor BT74 determines when it is time to switch between cooling and heating operation for the whole installation The alternative only applies if accessories for cooling are present or if the heat pump has the integrated cooling function Temperature sensor external return line If temperature sensor external return line BT71 needs to be used connect itto sele
39. er charging 17 Temperature sensor hot water top 17 Temperature sensor data 41 The Control Module Design 8 Component locations 8 List of components 8 Troubleshooting 44 U USB service outlet 42 Use the virtual keyboard 32 SMO 20 Chapter 13 Item register 55 NIBE AB Sweden Hannabadsv gen 5 Box 14 SE 285 21 Markaryd infoQnibe se www nibe eu 231758
40. etting range target temp delta temp Default value delta temp Here you set the start and stop temperature of the hot water for the different comfort options in menu 2 2 as well as the stop temperature for periodic increase in menu 2 9 1 The charge method for hot water mode is selected here delta temp is recommended for heaters with charge coil target temp for heaters with domestic coil Menu 5 1 2 max flow line temperature climate system Setting range 5 70 C Default value 60 C Set the maximum supply temperature for the climate system here Caution Underfloor heating systems are normally MISA CIO set between 35 and 45 C Check the max floor temperature with your floor supplier SMO 20 Menu 5 1 3 max diff flow line temp max diff compressor Setting range 1 25 C Default value 10 C max diff addition Setting range 1 24 C Default value 7 C Here you set the maximum permitted difference between the calculated and actual supply temperature during compressor respectively add heat mode Max diff additional heat can never exceed max diff com pressor max diff compressor When the current supply temperature deviates from the set value compared to that calculated the heat pump is forced to stop irrespective of the degree minute value If the current supply temperature exceeds the calcu lated flow with set value the degree minute value is set to 0 The compressor in the hea
41. g to applicable standards Chapter 4 Pipe connections Explanation AA25 SMO 20 BT1 Outdoor sensor BT6 Temperature sensor hot water charging BT7 Temperature sensor hot water top BT25 Temperature sensor external supply line BT50 Room sensor BT63 Temperature sensor external supply line after electric heater BT71 Temperature sensor external return line GP10 Circulation pump Heating medium QN10 Reversing valve Hot water Heating medi um EB1 Additional heat EB1 Immersion heater KA1 Auxiliary relay Contactor2 EB101 Heat pump system BT3 Temperature sensor return line3 BT12 Temperature sensor condenser supply line3 EB101 Heat pump FL10 Safety valve GP12 Charge pump2 HO Particle filter QM1 Drain valve Heating medium QM31 Shut off valve Heating medium Flow QM32 Shut off valve Heating medium Return QM43 Shut off valve EQ1 Cooling system BT64 Temperature sensor cooling supply line2 CP6 Single jacket accumulator tank cooling GP13 Circulation pump cooling QN12 Reversing valve Cooling Heating2 Miscellaneous CM1 Expansion vessel closed Heating medium CP5 Buffer vessel UKV CP10 Accumulator tank with hot water heating EB20 Immersion heater FL2 Safety valve Heating medium KA Auxiliary relay Contactor RN10 Trim valve 1 Included in and supplied SMO 20 2 Included in and supplied accessory 3 Included in and supplied NIBE heat pump can vary depending on heat pump Designations according to standa
42. heating will not give a noticeable difference in room temperat ure SMO 20 Step controlled additional heat NOTE s Markup any junction boxes with warnings for external voltage External step controlled additional heat can be con trolled by up to three potential free relays in the control module 3 step linear or 7 step binary Alternatively two relays 2 step linear or 3 step binary can be used for step controlled additional heat which means that the third relay can be used to control the immersion heater in the water heater accumulator tank Step in occurs with at least 1 minute intervals and step outs with at least 3 seconds intervals Step 1 is connected to terminal block X2 2 on the addi tional relay board AA7 Step 2 is connected to terminal block X2 4 on the addi tional relay board AA7 Step 3 or immersion heater in the water heater accu mulator tank is connected to terminal block X2 6 on the additional relay board AA7 The settings for step controlled additional heat are made in menu 4 9 3 and menu 5 1 12 All additional heat can be blocked by connecting a potential free switch function to the software con trolled input on terminal block X2 see page 21 which is selected in menu 5 4 e O SI L 123456 pungun O D
43. 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 NOTE s Toselect aid mode an alarm action must be selected in the menu 5 1 4 Ee 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 Chapter 10 Disturbances in comfort Troubleshooting If the operational interference is not shown in the dis play 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 control module s miniature circuit breaker FA1 Low hot water temperature or a lack of hot water This part of the fault tracing chapter only applies if the water heater is installed in the system Closed or choked filling valve for the hot water heater Open the valve Mixing valve if there is one installed set too low Adjust the mixer valve Control module in incorrect operating mode f mode manual is selected select addition Large hot water consumption Wait until the hot water has heated up Temporar ily increased hot water capacity temporary lux can be activated in menu 2 1 Too low hot water setting
44. ions to rectify it in the display See Manage alarm for in formation 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 IDO a TE info action reset alarm aid mode In the event of an alarm some kind of malfunction has occurred which is indicated by the status lamp chan ging 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 mal function has occurred 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 whatthe alarm means and receive tips on what you can do to correct the problem that caused the alarm reset alarm In most cases it is enough to select reset alarm to correct the problem that caused the alarm If a green light illuminates after selecting reset alarm the alarm has been remedied If a red light is still visible and a menu called alarm is visible in the display the problem that caused the alarm remains If the alarm disappears and then returns see the troubleshooting section page 44 aid mode aid mode is a type of emergency mode This means that the
45. l modifications are reserved ONIBE 2015 Symbols I NOTE This symbol indicates danger to machine or person ee Caution This symbol indicates important information about what you should observe when main taining your installation TIP SS a Y 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 regulations that are placed on it based on relevant EU directives The CE mark is obligat ory for most products sold in the EU regardless where they are made IP21 means 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 of water Chapter 1 Important information Serial number The serial number can be found on the upper side of the cover on the control module Serial number Caution Always givethe product s serial number when reporting a fault Country specific information Installer manual This installer manual must be left with the customer SMO 20 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 vw Description No
46. lation is in stalled but may need adjusting later Normally the curve will not need further adjustment Caution In the event of making fine adjustments of the indoor temperature the curve must be offset up or down instead this is done in menu 1 1 temperature Curve offset An offset of the curve means that the supply temperat ure changes as much for all the outdoor temperatures 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 min imum values 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 Caution Underfloor heating systems are normally IMITA EIIE set between 35 an Must be restricted with underfloor cooling min flow line temp to prevent condensation 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 curve created in menu 1 9 7 To select another curve slope 1 Press the OK button to access the setting mode 2 Select anew curve The curves are numbered from 0 to 15 the greater the number the steeper the slope and the greater the s
47. led heat pump can be made in the submenus Menu 5 11 1 1 heat pump Make settings for the installed heat pump here To see what settings you can make see installation manual for the heat pump Menu 5 11 1 2 charge pump GP12 op mode Heating cooling Setting range auto intermittent Default value auto Set the operating mode for the charge pump here auto The charge pump runs according to the current operating mode for SMO 20 intermittent The charge pump starts and stops 20 seconds before and after the compressor in the heat pump speed during operation heating hot water cooling Setting range auto manual Default value auto Manual setting Setting range 1 100 96 Default values 70 96 speed in wait mode Setting range 1 100 96 Default values 30 96 max allowed speed Setting range 80 100 96 Default values 100 96 Set the speed at which the charge pump is to operate in the present operating mode Select auto if the speed of the charge pump is to be regulated automat ically factory setting for optimal operation If auto is activated for heating operation you can also make the setting max allowed speed which re stricts the charge pump and does not allow it to run at a higher speed than the set value For manual operation of the charge pump deactivate auto forthe current operating mode and set the value to between 1 and 100 96 the previously set value for max allowed speed no lo
48. lise the room temperature 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 measuring the correct room temperature by being located for example in a recess between shelves be hind a curtain above or close to a heat source in a draft from an external door or in direct sunlight Closed radiator thermostats can also cause problems The control module operates without the sensor but if one wishes to read off the accommodation s indoor temperature in SMO 20 display the sensor must be in stalled Connect the room sensor to terminal block X2 7 and X2 10 If the sensor is to be used to change the room temper ature in C and or to change stabilise the room tem perature the sensor must be activated in menu 1 9 4 If the room sensor is used in a room with underfloor heating it should only have an indicatory function not control of the room temperature EDI i Cen aa mn SMO 20 External EI es 28 BH cggiumijuLx oo SE e e e exa E N d N Caution Changes of temperature in accommodation take time For example short time periods in combination with underfloor
49. nd SG Ready B see page 38 Closed or open switch means one of the following Chapter 5 Electrical connections 21 Blocking A Closed B Open Switch for external blocking of SG Ready is active The compressor in the heat In those cases where external blocking of the function BE heat is blocked like the day s is desired this can be connected to terminal block X2 tarii blocking The function is disconnected by connecting a potential Normal mode A Open B Open free switch function to the input selected in menu 5 4 SG Ready is not active No effect on the system A closed contact results in the function being discon E Low price mode A Open B Closed nected SG Ready is active The system focuses on costs Functions that can be blocked savings and can for example exploit a low tariff from addition the electricity supplier or over capacity from any own power source effect on the system can be adjusted EE in heat pump EB101 in the menu 4 1 5 heating cooling hot water Overcapacity mode A Closed B Closed SG Ready is active The system is permitted to run at full capacity at over capacity very low price with the electricity supplier effect on the system is set table in menu 4 1 5 A SG Ready A and B SG Ready B Contact for activation of temporary lux An external switch function can be connected to SMO 20 for activation of the hot water function temporary lux The
50. ndicated by the control module Cooling mode indication This option requires activa tion of some form of cooling function The function gives signals when the system permits cooling and can be used to control external pumps for example Active cooling 4 pipe This option requires activation of some form of cooling function and can be used for simple 4 pipe systems an outdoor unit The function gives signals when a connected heat pump produces cooling and there are no other demands and cooling is permitted This function can be used to control reversing valve for cooling EP25 QN 12 WEE Caution With this option the charge pump GP12 is always controlled in auto operating mode which means that the pump is run ning when the reversing valve QN12 is to wards the cooling system External heating medium pump The function gives signals when an external circulation pump GP10 is to be operated according to settings for the operat ing mode Control of circulation pump for hot water circulation The function gives signals when a circulation pump for hot water circulation GP11 is to be operated according to settings in menu hot water recirc 2 9 2 If any of the above is installed to terminal block X4 15 17 on base board AA2 the function must be selected in menu 5 4 The common alarm is preselected at the factory 14 15 17 SMO 20
51. nents NOTE s Forwall mounting use the mounting adapted for the base Heating pipe paste Temperature sensor SN Aluminium tape Cable ties P d O35 410 310 Y o Use all mounting points and install SMO 20 upright flat againstthe wall without any part ofthe control module protruding out beyond the edge of the wall Leave at least 100 mm free space around the control module to facilitate access and cable routing on install ation and service NOTE 8 Access the screws for installing the front cover from underneath SMO 20 Chapter 2 Delivery and handling 3 The Control Module Design P AAA Electrical components AA2 Base card AA4 Display unit AA4 XJ3 USB socket AA4 XJ4 Service outlet No function AA7 Extra relay circuit board SF1 FA1 Miniature circuit breaker xi X1 Terminal block incoming electrical supply X2 Terminal block control signal circulation pump AAA XJ3 sensors AUX inputs and heat pump SF1 Switch AA2 2 AMXIA PF3 Serial number plate UB1
52. nger applies Speed in standby mode only used if auto has been selected for Operating mode means the charge pump operates at the set speed during the time when there is neither a need for compressor operation nor additional heat Chapter 8 Control 39 40 5 12 country Select here where the product was installed This allows access to country specific settings in your product Language settings can be made regardless of this selec tion NOTE s This option locks after 24 hours restart of dis play or program updating Chapter 8 Control SMO 20 9 Service Service actions I NOTE 8 Servicing should only be carried out by persons with the necessary expertise When replacing components on SMO 20 only replacement parts from NIBE may be used Emergency mode I NOTE 8 Switch SF1 must not be put into mode I or A before the installation is filled with water The compressor in the heat pump can be damaged Emergency mode is used in event of operational inter ference and in conjunction with service Hot water is not produced in emergency mode Emergency mode is activated by setting switch SF1 in mode AV This means that The status lamp illuminates yellow The display is not lit and the control computer is not connected Hot water is not produced The compressors are switched off Charge pump EB101 GP12 is running The heating medium pump is active The emergency mode
53. om plex installations with a focus on comfort SMO 20 AA25 starts and stops the heat pump EB101 to meet the heat and hot water demand of the install ation At simultaneous heating and hot water demand the reversing valve switches AA25 QN10 periodically between the climate system and the water heater ac cumulator tank CP10 When the hot water heater ac cumulator tank is fully charged CP10 the reversing valve switches AA25 QN10 to the climate system Additional heat EB1 is connected automatically when the energy demand exceeds the heat pump capacity Immersion heater EB20 in the water heater accumu lator tank CP10 is used during the time to produce hot water if the heat pump EB101 is used for heating the building at the same time The immersion heater EB20 can also be used if a higher temperature of hot water is required than the heat pump can produce Chapter 4 Pipe connections During cooling operation requires compatible heat pump the reversing valve EQ 1 QN 12 switches to the cooling system EQ1 If several simultaneous demands occur while there is a cooling demand the installation reacts differently In event of a hot water demand the reversing valve EQ1 QN12 switches back and hot water is produced until the demand is fulfilled In event of a heating demand the reversing valve EQ1 QN12 instead switches periodically between the demands If the cooling demand is met the reversing valve switches ba
54. oning with additional heating only 24 Check the reversing valve 24 Check AUX socket 24 Cooling mode 24 Start guide 25 Setting the cooling heating curve 26 CMAC n SMO 20 Setting hot water circulation SG Ready 7 Control Introduction Display unit Menu system 8 Control Menu 1 INDOOR CLIMATE Menu 2 HOT WATER Menu 3 INFO Menu 4 MY SYSTEM Menu 5 SERVICE 9 Service Service actions 10 Disturbances in comfort Manage alarm Troubleshooting Additional heating only 11 Accessories 12 Technical data Dimensions and setting out coordinates Technical specifications Electrical circuit diagram Index 28 28 29 29 30 33 33 34 34 35 36 41 41 44 44 44 45 46 48 48 49 50 54 Table of Contents 1 Important information Safety information This manual describes installation and service proced ures for implementation by specialists This appliance can be used by children aged from 8 years and above and per sons with reduced physical sensory or mental capabilities or lack of experience and knowledge ifthey have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Chil dren shall not play with the appliance Cleaning and user maintenance shall not be made by children without super vision Rights to make any design or technica
55. pump must be equipped with a control card that has at least the software version as listed on page 9 The control card version is displayed in the heat pump s display if applicable upon start up SMO 20 must be ready connected The climate system must be filled with water and bled Commissioning with NIBE air water heat pump NIBE F2015 F2020 F2025 Followthe instructions in the heat pump s Installation and Maintenance under section Commissioning and adjustment Start up and inspection NIBE F2016 F2026 F2030 F2040 F2300 Follow the instructions in the heat pump s Installation manual under section Commissioning and adjust ment Start up and inspection SMO 20 1 Power the heat pump 2 Power SMO 20 3 Follow the start guide in the display on SMO 20 alternatively start the start guide in menu 5 7 Commissioning with additional heating only At first start follow the start guide otherwise follow the list below 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 EF Caution When commissioning without NIBE air water heat pump an alarm communication error may appear in the display The alarm is reset if the relevant heat pump is deactivated in menu 5 2 2 installed heat pump Check the reversing valve 1 Activate AA2 K1 QN10 in menu 5 6 2 Check that the reversing
56. rds 81346 1 and 81346 2 SMO 20 Compatible NIBE air water heat pump together with SMO 20 docking step controlled additional heat before reversing valve for hot water and cooling function 4 pipe system EQ1 AA25 RN10 EE S CO FL2 ae PR CP10 TRI AA25 BT7 LET HL EE A C 2 AA25 BT6 C hog der A i I FLIO oque QM32 6212 HQ1 QM43 C T ck di p lt CUN d T QM1 ie NOTE NIBE does not supply all components in this outline diagram SMO 20 AA25 starts and stops the heat pump EB101 to meet the heat and hot water demand of the install ation At simultaneous heating and hot water demand the reversing valve switches AA25 QN10 periodically between the climate system and the water heater ac cumulator tank CP10 When the hot water heater ac cumulator tank is fully charged CP10 the reversing valve switches AA25 QN10 to the climate system Additional heat EB1 is connected automatically when the power demand for the installation exceeds the heat pump capacity This is used for both heating and charging hot water The additional heat can also be used if a higher temper ature in the hot water is required than the
57. re sensor installation on pipe The temperature sensors are mounted with heat con ducting paste cable ties the first cable tie is secured to the pipe in the middle of the sensor and the other cable tie is mounted approx 5 cm beyond the sensor and aluminium tape Then insulate with supplied insu lation tape NOTE s Sensor and communication cables must not be placed near power cables Chapter 4 Pipe connections Docking alternatives SMO 20 can be connected with other products from NIBE in several different ways some of which are shown below accessories may be required Further option information is available at www nibe eu and in the respective assembly instructions for the ac cessories used See page 46 for a list of the accessories that can be used with SMO 20 Installations with SMO 20 can produce heating and hot water Cooling can also be produced but it de pends on the heat pump that is used On cold days of the year when the access to energy from the air is reduced the additional heating can compensate and help to produce heat The additional heating is also good to have as assistance if the heat pump ends up outside its working range or if it has been blocked for any reason NOTE s The heating medium side and the hot water side must be fitted with the necessary safety equipment in accordance with the applicable regulations This is the outline diagram Actual installations must be planned accordin
58. s through the external additional heating CSO H mH EE E m o SMO 20 External T Ses 5 E 1 0 PE 2 3 amp EIE EE Sj SMO 20 Externa If the relay is to be used for control voltage bridge the supply from terminal block X1 1 to X1 2 and connect neutral and control voltage from the external additional heat to X1 0 N and X1 4 L Chapter 5 Electrical connections External circulation pump Connect the external circulation pump GP10 as illus trated to terminal block X4 9 PE X4 10 N and X4 11 230 V on the base board AA2 8 9 1011 ri m D E E B SMO 20 External E ooodbooooooon9 Ii El Shuttle valve SMO 20 can be supplemented
59. ssible 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 over a short period of time as this may damage the compressor and its surrounding equipment Menu 5 9 floor drying function length of period 1 7 Setting range 0 30 days Factory setting period 1 3 5 7 2 days Factory setting period 4 3 days temp period 1 7 Setting range 15 70 C Default value temp period 1 20 C temp period 2 30 C temp period 3 40 C temp period 4 45C temp period 5 40 C temp period 6 30 C temp period 7 20 C Set the function for under floor drying here You can set up to seven period times with different calculated 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 underfloor drying function A counter at the bottom shows the number of days the function has been active TIP Y If operating mode add heat only is to be used select it in menu 4 2 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 s Thechangelogis saved at restart and remains unchanged after factory setting SMO 20 Menu 5 11 heat pump settings Settings for instal
60. switch must be potential free and connected to the selected input menu 5 4 on terminal block X2 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 SMO 20 to change the supply temperature and the room temperature 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 activated the desired change of temperature heating curve off set with the number of steps selected is set 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 on terminal block X2 The value for the change is set in menu 1 9 2 ex ternal adjustment Switch for external alarm Alarms from external devices can be connected to the control and appear as an info alarm Potential free signal of NO or NC type can be connected 22 Chapter 5 Electrical connections SMO 20 Possible selection for AUX output potential free variable relay It is possible to have an external connection through the relay function via a potential free variable relay max 2 A at resistive load on terminal block X4 15 17 on the base board AA2 Optional functions for external connection Indication of buzzer alarm The function gives signals whilst a constant alarm is i
61. system for phys ical location of the temperature sensor that is to be installed SMO 20 FA1 o o SF1 A SE de UB1 UB2 Miniature circuit breaker The control module operating circuit and parts of its internal components are internally fused by a miniature circuit breaker FA1 Chapter 5 Electrical connections 13 14 Accessibility electrical connection The cover of the control module is opened using a Torx 25 driver Assembly takes place in reverse order LEK o NOTE The cover to access the base card is opened using a Torx 25 screwdriver Chapter 5 Electrical connections The display may need to be moved for easier access when connecting electrics This is easily done by follow ing these steps Press in the catch on the upper rear side of the display unit towards you a and move the display unit upwards b so that the mountings unhook from the panel
62. t pump stops when there is only a heating demand max diff addition If addition is selected and activated in menu 4 2 and the present supply temp exceeds the calculated with set value the additional heat is forced to stop Menu 5 1 4 alarm actions Select how you want the control module to alert you thatthere is an alarm in the display here The different alternatives are the heat pump stops producing hot water and or reduces the room temperature Caution If no alarm action is selected it can result in higher energy consumption in the event of an alarm Menu 5 1 12 addition max step Setting range binary stepping deactivated 0 3 Setting range binary stepping activated 0 7 Default value 3 fuse size Setting range 1 200A Factory setting 16 A Here you select whether the step controlled additional heat is positioned before or after the reversing valve for hot water charging QN10 Step controlled addi tional heat is for example an external electric boiler Chapter 8 Control 37 38 You can set the maximum number of permitted addi tional heat steps if there is internal additional heat in the tank only accessible if the additional heat is posi tioned after QN10 whether binary stepping is to be used and the size of the fuse I TIP N et Y See the accessory installation instructions for function description Menu 5 1 14 flow set climate system presettings Setting range radiator
63. tes Signature Date Electricity page 13 Communication heat pump Supply connected 230 V Outside sensor Temperature sensor hot water charging Temperature sensor hot water top Temperature sensor external flow line Temperature sensor external supply line after electric heater Temperature sensor external return line Charge pump Shuttle valve AUX 1 AUX 2 AUX 3 AUX 4 AUX 5 AUX 6 AA2 X4 Miscellaneous Checking additional heater Checking the function of the reversing valve Checking charge pump function Completed installation check of heat pump and associated equipment SMO 20 Chapter 1 Important information Contact information AT KNV Energietechnik GmbH Gahberggasse 11 4861 Sch rfling 43 0 7662 8963 0 Fax 43 0 7662 8963 44 E mail mail knv at www knv at CH NIBE Warmetechnik c o ait Schweiz AG Industriepark CH 6246 Altishofen Tel 52 647 00 30 Fax 52 647 00 31 E mail infoQnibe ch www nibe ch CZ Druzstevni zavody Drazice s r o Drazice 69 CZ 294 71 Benatky nad Jizerou Tel 420 326 373 801 Fax 420 326 373 803 E mail nibeQnibe cz www nibe cz DE NIBE Systemtechnik GmbH Am Reiherpfahl 3 29223 Celle Tel 05141 7546 0 Fax 05141 7546 99 E mail infoQnibe de www nibe de DK V lund Varmeteknik A S Member of the Nibe Group Brog rdsvej 7 6920 Videb k Tel 97 17 20 33 Fax 97
64. u to update the software in SMO 20 I NOTE s Forthe following functions to work the USB memory must contain files with software for SMO 20 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 intended for the software version and general inform ation about them If you wish to select another file than the one selected the correct file can be selected by choose another file 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 update starts and you can now follow the progress of the update on the display When the update is com plete SMO 20 restarts I NOTE 8 Asoftware update does not reset the menu settings in SMO 20 NOTE If the update is interrupted before it is com plete 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 N choose another file file2nibe filed nibe file3nibe filelnibe Select choose another file if you do not want to use the suggested software When you scroll through the files information
65. ue d 2 Mark the value you want to set usingthe o control knob Press the OK button The background of the 61 value becomes green which means that you have accessed the setting mode Turn the control knob to the right to increase SCH the value and to the left to reduce the value Press the OK button to confirm the value you pg have set To change and return to the original value press the Back button Chapter 7 Control Introduction 31 32 Use the virtual keyboard Different keyboards In some menus where text may require entering a vir tual keyboard is available Depending on the menu you can gain access to differ ent character sets which you can select using the con trol knob To change character table press the Back button If a menu only has one character set the key board is displayed directly when you have finished writing mark OK and press the OK button Scroll through the windows A menu can consist of several windows Turn the con trol knob to scroll between the windows Kammer ME Current menu Number of windows window in the menu Scroll through the windows in the start guide Arrows to scroll through window in start guide 1 Turn the control knob until one of the arrows in the top left corner at the page number has been marked 2 Pressthe OK button to skip between the steps in the start guide Chapter 7 Control Introduction Help menu ge
66. uplink 4 1 3 8 tcp ip settings 4 1 3 9 proxy settings 4 1 5 SG Ready 4 1 6 smart price adaption 4 2 op mode 4 3 my icons 4 4 time amp date 4 6 language 4 7 holiday setting 4 9 advanced 4 9 1 op prioritisation 4 9 2 auto mode setting 4 9 3 degree minute setting 4 9 4 factory setting user 4 9 5 schedule blocking 4 9 6 schedule silent mode SMO 20 Chapter 8 Control 35 36 Menu 5 SERVICE Overview 5 SERVICE 5 1 operating settings 5 1 1 hot water settings 5 1 2 max flow line temperature 5 1 3 max diff flow line temp 5 1 4 alarm actions 5 1 12 addition 5 1 14 flow set climate system 5 1 22 heat pump testing 5 1 23 compressor curve 5 2 system settings 5 2 2 installed heat pump 5 2 4 accessories 5 4 soft in outputs 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 5 11 heat pump settings 5 12 country Accessory needed Go to the main menu and hold the Back button in for 7 seconds to access the Service menu Sub menus Menu SERVICE 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 Jia Operating settings for the control module
67. upply temperature Curve 0 means that menu 1 9 7 is used 3 Pressthe OK button to exit the setting SMO 20 To read off a curve 1 2 3 Turn the control knob so that the ring on the shaft with the outdoor temperature is marked Press the OK button Follow the grey line up to the curve and out to the left to read off the value for the supply temperature at the selected outdoor temperature 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 Press the OK or Back button to exit read off mode TIP Q Wait 24 hours before making a new setting so that the room temperature has time to stabilise fitis cold outdoors and the room temperature is too low increase the curve slope by one in crement fitis cold outdoors and the room temperature is too high lower the curve slope by one incre ment f it is warm outdoors and the room temperat ure is too low increase the curve offset by one increment fitis warm outdoors and the room temperat ure is too high lower the curve offset by one increment SMO 20 Chapter 6 Commissioning and adjusting 27 Setting hot water circulation hot water recirc operating time Setting range 1 60 min Default value 60 min downtime Setting range 0 60 min Default value 0 min Set the hot water circulation for up to three periods per
68. when activating SG Ready With low price mode on SG Ready the stop temper ature of the hot water is set as high as possible at only compressor operation immersion heater not permit ted With over capacity mode of SG Ready the hot water is set to luxury immersion heater permitted affect cooling accessory 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 oper ation 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 ac tivated the desired room temperature decreases by 1 E NOTE s The function must be connected to two AUX inputs and activated in menu 5 4 SMO 20 7 Control Introduction Display unit E A Display B status lamp C OK button D Back button E Control knob F Switch G USB port SMO 20 Display Instructions settings and operational informa tion 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 Status lamp The status lamp indicates the status of the control module It E lights green during normal operation lights yellow in emergen
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Installer manual SMO 20

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