Nibe SMO 20 User Manual
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Nibe SMO 20 User Manual

Control module
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User manual
NIBE™ SMO 20
Control module
UHB GB 1322-1
231763

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Summary of Contents for Nibe SMO 20

  • Page 1 User manual NIBE™ SMO 20 Control module UHB GB 1322-1 231763...
  • Page 2 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.

  • Page 3: Table Of Contents

    2 The control module – the heart of the house Control module's function Contact with SMO 20 Maintenance of SMO 20 3 SMO 20 – at your service Set the indoor climate Set the hot water capacity Get information Adjust the heat pump...

  • Page 4: Important Information

    1. 9 . 1 heating curve (offset/curve slope) Serial number must always be given Certification that the installation is carried out according to instructions in NIBE's installer manual and applicable regulations. Date __________________ Signed _________________________ Chapter 1 | Important information NIBE™...

  • Page 5: Safety Information

    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.

  • Page 6: Serial Number

    This installation is subject to building regulation approval, notify the local Authority of intention to install. Use only manufacturer’s recommended replacement parts. Nibe is a licensed member of the Benchmark Scheme which aims to im- prove the standards of installation and commissioning of domestic heating Chapter 1 | Important information NIBE™...
  • Page 7 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.
  • Page 8 Chapter 1 | Important information NIBE™ SMO 20...

  • Page 9: Smo 20 - An Excellent Choice

    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.

  • Page 10: The Control Module - The Heart Of The House

    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...
  • Page 11 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...
  • Page 12 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. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...

  • Page 13: Menu System

    Display of temperature and other operating information and access to the alarm log. See page 35. MY SYSTEM Menu 4 Setting time, date, language, display, operating mode etc. See page 39. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...
  • Page 14 OK button. A new window then opens with sub menus. Select one of the sub menus by marking it and then pressing the OK button. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...
  • Page 15 Mark the applicable option. One of the options is pre-selected (white). Press the OK button to confirm the selected option. The selected option has a green tick. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...
  • Page 16 Turn the control knob until one of the arrows in the top left corner (at the page number) has been marked. Press the OK button to skip between the steps in the start guide. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...
  • Page 17 Use the control knob to select the help symbol. Press the OK button. The help text often consists of several windows that you can scroll between using the control knob. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...

  • Page 18: Maintenance Of Smo 20

    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.
  • Page 19 Washing machine (Operation: 1 time/day) 2000 Tumble drier (Operation: 1 time/day) 2000 Vacuum cleaner (Operation: 2 h/week) 1000 Engine block heater (Operation: 1 h/day, 4 months a year) Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...
  • Page 20 = 6240 kWh domestic electricity/year. Energy meter Check the accommodation's energy meter regularly, preferably once a month. This will indicate any changes in power consumption. Chapter 2 | The control module – the heart of the house NIBE™ SMO 20...

  • Page 21: Smo 20 - At Your Service

    3 SMO 20 – at your service Set the indoor climate Overview Sub-menus For the menu INDOOR CLIMATE there are several sub-menus. Status information for the relevant menu can be found on the display to the right of the menus.
  • Page 22 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 – at your service NIBE™ SMO 20...
  • Page 23 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 24 Conflict: If two settings conflict with each other a red exclamation mark is displayed. 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 25 Settings regarding the room sensor. own curve Setting own heat curve. point offset Setting the offset of the heating curve at a specific outdoor temperature. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 26 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 27 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™ SMO 20...
  • Page 28 If it is warm outdoors and the room temperature is too low, increase the curve offset by one increment. If it is warm outdoors and the room temperature is too high, lower the curve offset by one increment. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 29 Setting range: 5-70 °C Default value: 20 °C 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 | SMO 20 – at your service...
  • Page 30 A higher value gives a greater change of the heating curve's set offset. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 31 The heat curve is affected at ± 5 °C from set outdoor temp. point. It is important that the correct heating curve is selected so that the room temperature is experienced as even. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 32 "-2" and "change in curve" is increased until the desired room temper- ature is maintained. Caution Wait 24 hours before making a new setting, so that the room temperature has time to stabilise. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...

  • Page 33: Set The Hot Water Capacity

    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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 34 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 temporary lux...
  • Page 35 Conflict: If two settings conflict with each other a red exclamation mark is displayed. 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 36 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 | SMO 20 – at your service NIBE™ SMO 20...

  • Page 37: Get Information

    No changes can be made. The information is on several pages. Turn the control knob to scroll between the pages. Symbols in this menu: Com- Heating pressor Addition Hot wa- Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 38 No changes can be made. The information is on several pages. Turn the control knob to scroll between the pages. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 39 10 most recent alarms. To view the run status in the event of an alarm, mark the alarm and press the OK button. Information about an alarm. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 40 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 | SMO 20 – at your service NIBE™ SMO 20...

  • Page 41: Adjust The Heat Pump

    Settings of control module work mode. plus functions Menu plus functions4.1 Settings for any additional functions installed in SMO 20 can be made in the sub menus. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 42 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 43 NOTE The function must be connected and activated in your SMO 20. op. mode Menu op. mode Setting range: auto, manual, add. heat only Default value: auto functions 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.
  • Page 44 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 & date Menu Set time and date and display mode here. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 45 Complete holiday setting about a day before your return so that room temperature and hot water have time to regain usual levels. Set the vacation setting in advance and activate just before departure in order to maintain the comfort. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 46 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 requirement. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 47 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. Caution It cannot be set "stop additional heat" higher than "stop heating". Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 48 Caution Higher value on "start compressor" gives more compressor starts, which increases wear in the compressor. Too low value can give uneven indoor temperatures. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 49 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 50 When scheduling is active the "quiet mode" symbol is shown in the main menu on the symbol for the control module. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 51 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 | SMO 20 – at your service NIBE™ SMO 20...
  • Page 52 Caution Long term scheduling of "quiet mode" can cause reduced comfort and operating economy. Chapter 3 | SMO 20 – at your service NIBE™ SMO 20...

  • Page 53: Disturbances In Comfort

    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 | Disturbances in comfort NIBE™ SMO 20...

  • Page 54: Troubleshooting

    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...
  • Page 55 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...

  • Page 56: Additional Heating Only

    If 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...
  • Page 57 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...

  • Page 58: Technical Data

    5 Technical data Detailed technical specifications for this product can be found in the in- stallation manual (www.nibe.eu). Chapter 5 | Technical data NIBE™ SMO 20...

  • Page 59: Glossary

    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.: 7/45 where 7 stands for the outdoor temperature and 45 for how many degrees the supply temperature is. Chapter 6 | Glossary NIBE™ SMO 20...
  • Page 60 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 transfers heat energy from one medium to another without mixing mediums. Examples of different heat exchangers are evaporators and condensers. Chapter 6 | Glossary NIBE™ SMO 20...
  • Page 61 A low pressure pressostat trips if the evaporation pressure is too low. Radiator Another word for heating element. They must be filled with water in order to be used with SMO 20. Chapter 6 | Glossary NIBE™ SMO 20...
  • Page 62 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 NIBE™ SMO 20...

  • Page 63: Item Register

    Manage alarm, 51 Set the indoor climate, 19 Only additional heat, 54 Setting a value, 14 Troubleshooting, 52 SMO 20 – An excellent choice, 7 SMO 20 – at your service, 19 Get information, 35 Adjust the installation, 39 Glossary, 57...
  • Page 64 Chapter 7 | NIBE™ SMO 20...
  • Page 65 Chapter 7 | NIBE™ SMO 20...
  • Page 66 Chapter 7 | NIBE™ SMO 20...
  • Page 68 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 231763...

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