Nibe F1255PC User Manual
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Nibe F1255PC User Manual

Nibe F1255PC User Manual

Ground source heat pump
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User manual

NIBE™ F1255PC
Ground source heat pump
UHB GB 142 -1
231820

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Summary of Contents for Nibe F1255PC

  • Page 1: User Manual

    User manual NIBE™ F1255PC Ground source heat pump UHB GB 142 -1 231820...
  • Page 2 A detailed explanation of the button functions can be found on page How to scroll through menus and make different settings is described on page 15. The mode for setting the indoor temperature is reached, when in the start mode in the main menu, by pressing the OK button twice. Read more about the settings on page 25.

  • Page 3: Table Of Contents

    2 The heat pump – the heart of the house Heat pump function Contact with F1255PC Maintenance of F1255PC 3 F1255PC – 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 (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...

  • Page 5: Safety Information

    Rights to make any design or technical modifications are reserved. ©NIBE 2014. NOTE F1255PC must be installed via an isolator switch with a minimum breaking gap of 3 mm. NOTE If the supply cable is damaged, only NIBE, its service representative or similar authorised person may re- place it to prevent any danger and damage.

  • Page 6: Serial Number

    This symbol indicates tips on how to facilitate using the product. Marking 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 7: Contact Information

    Puh: 09-274 697 0 Fax: 09-274 697 40 E-mail: info@nibe.fi www.nibe.fi NIBE Energy Systems France Sarl, Zone industrielle RD 28, 01600 Reyrieux Tel : 03 88 06 24 10 Fax : 03 88 06 24 11 E-mail: info@nibe.fr www.nibe.fr NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QG Tel: 0845 095 1200 Fax: 0845 095 1201 E-mail: info@nibe.co.uk...
  • Page 8 NIBE AB Sweden, Box 14, Hannabadsvägen 5, SE-285 21 Markaryd Tel: +46-(0)433-73 000 Fax: +46-(0)433-73 190 E-mail: info@nibe.se www.nibe.se For countries not mention in this list, please contact Nibe Sweden or check www.nibe.eu for more information. Chapter 1 | Important information...

  • Page 9: F1255Pc - An Excellent Choice

    F1255PC – An excellent choice F1255PC is part of a new generation of heat pumps, which have been in- troduced to supply your home with inexpensive and environmentally friendly heating and/or cooling. Heat production is safe and economical with integrated hot water heater, immersion heater, circulation pump and control system.

  • Page 10: The Heat Pump - The Heart Of The House

    Expansionsventil Kompressor Förångare -2 °C -3 °C 0 °C Växelventil Värmekälla The temperatures are only examples and may vary between different installations and time of year. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...

  • Page 11: Heat Pump Function

    The heating medium circulates in a closed system and transports the heated water's heat energy to the house water heater and radiators/heating coils. Passive cooling Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...

  • Page 12: Contact With F1255Pc

    There the brine cools the heating system's water so that comfort cooling can be maintained during the hotter periods of the year. Contact with F1255PC External information When the heat pump door is closed, information can be received via an information window and a status lamp.

  • Page 13: Display Unit

    Display unit There is a display unit behind the heat pump door, which is used to com- municate with F1255PC. Here you: switch on, switch off or set the heat pump in emergency mode. sets the indoor climate and hot water as well as adjusts the heat pump to your needs.
  • Page 14 In this mode, the compressor switches off and the im- mersion heater engages. The heat pump display is not illuminated and the status lamp illuminates yellow. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...

  • Page 15: Menu System

    Display of temperature and other operating information and access to the alarm log. See page 49. HEAT PUMP Menu 4 Setting time, date, language, display, operating mode etc. See page 53. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 16 This symbol indicates the actual speed of the fan if the speed has changed from the normal setting. Accessory NIBE FLM required. This symbol indicates whether F1255PC has contact with NIBE Uplink™. This symbol indicates whether "holiday setting" is activated in menu 4.7.

  • Page 17: Selecting Menu

    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 heat pump – the heart of the house NIBE™ F1255PC...
  • Page 18 1. Mark the applicable option. One of the options is pre-selected (white). 2. Press the OK button to confirm the selected option. The selected option has a green tick. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 19 4. Press the OK button to confirm the value you have set. To change and return to the original value, press the Back button. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 20 Back button. If a menu only has one character set the keyboard is displayed directly. When you have finished writing, mark "OK" and press the OK button. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 21 1. Use the control knob to select the help symbol. 2. Press the OK button. The help text often consists of several windows that you can scroll between using the control knob. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...

  • Page 22: Maintenance Of F1255Pc

    Maintenance of F1255PC Regular checks Your heat pump is, in principle, maintenance free and therefore requires minimal care after commissioning. On the other hand, it is recommended that you check your installation regularly. If something unusual occurs, messages about the malfunction appear in the display in the form of different alarm texts.

  • Page 23: Saving Tips

    Energiförbrukning fördelat över året the year. consumption April June July mars april juni juli Month Increasing the indoor temperature one degree increases the energy con- sumption by approx. 5%. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 24 Engine block heater (Operation: 1 h/day, 4 months a year) Passenger compartment heater (Operation: 1 h/day, 4 months a year) These values are approximate example values. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...
  • Page 25 After 1-2 years the heating curve should be adjusted again, as well as the heating curve offset and the building's thermostat valves, because the heating system, as a rule, requires a lower temperature once the drying process is complete. Chapter 2 | The heat pump – the heart of the house NIBE™ F1255PC...

  • Page 26: F1255Pc - At Your Service

    3 F1255PC – 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. temperature Setting the temperature for the climate system.
  • Page 27 One step is usually enough but in some cases several steps may be required. Setting the desired value. The new value is shown on the right-hand side of the symbol in the display. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 28 When you have selected a new speed a clock starts a count down. When the time has counted down the ventilation speed returns to the normal setting. If necessary, the different return times can be changed in menu 1.9.6. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 29 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. Schedule: The schedule to be changed is selected here. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 30 Scheduling always starts on the date that the start time is set for. Caution Changes of temperature in accommodation take time. For example, short time periods in combination with underfloor heating will not give a noticeable difference in room temperature. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 31 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 | F1255PC – at your service NIBE™ F1255PC...
  • Page 32 Time period: The start and stop time for the selected day for scheduling are selected here. Adjusting: The desired fan speed is set here. Conflict: If two settings conflict with each other a red exclamation mark is displayed. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 33 Setting night cooling. +Adjust Setting how much effect +Adjust will have on calculated supply temperature for underfloor heating. The higher the value is the greater the effect. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 34 The number to the far right of "system" displays which system you have selected the heating curve/cooling curve for. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 35 +2 steps increases the supply temperat- ure by 5 C at all outdoor temperat- ures. - 10 - 20 - 30 - 40°C UTETEMPERATUR Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 36 Curve 0 means that own curve (menu 1.9.7) is used. 5. Press the OK button to exit the setting. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 37 When the contact is on, the heat curve offset is changed by the number of steps selected in the menu. If a room sensor is installed and activated the desired room temperature (°C) is set. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 38 In menu 1.9.3 you select heating or cooling, in the next menu (min. supply temp.heating/cooling) set the minimum temperature on the supply tem- perature to the climate system. This means that F1255PC never calculates a temperature lower than that set here.
  • Page 39 If several climate systems are installed the above settings can be made for the relevant systems. cooling settings Menu 1.9.5 cooling1.9.5 use room sensor time betw. switch heat/cool Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 40 Setting range: 0 - 48 h Default value: 2 You can use F1255PC to cool the house during hot periods of the year. NOTE Cooling flow line must be set with regard to which climate system is connected.
  • Page 41 This selection is only available in cooling 2 pipe systems. Here you can set how long F1255PC is to wait before it returns to heating mode when the cooling demand has ceased or vice versa. Chapter 3 | F1255PC –...
  • Page 42 Here you select the return time for temporary speed change (speed 1-4) on the ventilation in menu 1.2. Return time is the time it takes before ventilation speed returns to normal. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 43 Menu 1.9.8 outdoor temp. point Setting range: -40 – 30 °C Default value: 0 °C change in curve Setting range: -10 – 10 °C Default value: 0 °C Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 44 ("start temp. exhaust air") run the ventilation at speed 4 until one of the conditions is no longer met. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 45 The version can be checked in menu 3.1 under ”input version” respect- ively ”display version”. New software can be downloaded for free from www.nibeuplink.com. NOTE In systems with both underfloor heating and radiators, NIBE ECS 40/41 should be used for optimum operation. Chapter 3 | F1255PC – at your service...

  • Page 46: Set The Hot Water Capacity

    Default value: "off" When hot water requirement has temporarily increased this menu can be used to select an increase in the hot water temperature to lux mode for a selectable time. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 47 The function is activated immediately when a time period is selected and confirmed using the OK button. The remaining time for the selected setting is shown to the right. When the time has run out F1255PC returns to the mode set in menu 2.2. Select “off" to switch off temporary lux...
  • Page 48 Conflict Time period Adjusting Schedule: The schedule to be changed is selected here. Activated: Scheduling for the selected period is activated here. Set times are not affected at deactivation. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 49 Scheduling always starts on the date that the start time is set for. advanced Menu Menu advanced has orange text and is intended for the advanced user. This menu has several sub-menus. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 50 "operating time" decide how long the hot water circulation pump must run per operating instance. "downtime" decide how long the hot water circulation pump must be stationary between operating instances. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...

  • Page 51: Get Information

    The information is on several pages. Turn the control knob to scroll between the pages. A QR code appears on one side. This QR code indicates serial number, product name and limited operating data. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 52 No changes can be made. The information is on several pages. Turn the control knob to scroll between the pages. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 53 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 | F1255PC – at your service NIBE™ F1255PC...
  • Page 54 Otherwise, if an exhaust air module (NIBE FLM) is installed, the exhaust air temperature is shown. To read off an average temperature 1. Turn the control knob so that the ring on the shaft with the week number is marked.

  • Page 55: Adjust The Heat Pump

    " off". advanced Setting heat pump work mode. plus functions Menu Settings for any additional functions installed in F1255PC can be made in the sub menus. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 56 Set value corresponds to part of the available output. When the pool temperature drops below the set start temperature and there is no hot water or heating requirement, F1255PC starts pool heating. Untick "activated" to switch off the pool heating.

  • Page 57: Nibe Uplink

    Request new connection string To connect a user account on NIBE Uplink™ to your installation, you must request a unique connection string. 1. Mark “request new connection string" and press the OK button.
  • Page 58 HTTP Basic and HTTP Digest type. If unsure about applicable settings use the preset settings or contact your network administrator (or similar) for further information. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 59 If you want to receive an SMS mes- sage in the event of the alarm mark the box to the right of the telephone number. NOTE Telephone numbers provided must be able to receive SMS messages. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 60 With low price mode of "SG Ready" the desired pool temperature (start and stop temperature) is increased by 1 °C. With over capacity mode of "SG Ready" the desired pool temperature (start and stop temperature) is increased by 2 °C. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...

  • Page 61: Operating Mode

    NOTE The function must be connected and activated in your F1255PC. operating mode Menu operating mode Setting range: auto, manual, add. heat only Default value: auto functions Setting range: compressor, addi- tion, heating, cooling The heat pump operating mode is usually set to "auto". It is also possible to set the heat pump to "add.
  • Page 62 Menu You can select what icon should be visible when the door to F1255PC is closed. You can select up to 3 icons. If you select more, the ones you selected first will disappear. The icons are dis- played in the order you selected them.
  • Page 63 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 | F1255PC – at your service NIBE™ F1255PC...
  • Page 64 The indicator marks where in the cycle the heat pump 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 | F1255PC – at your service NIBE™ F1255PC...
  • Page 65 It cannot be set "stop additional heat" higher than "stop heating". Caution In systems where heating and cooling share the same pipes "stop heat- ing" cannot be set higher than "start cooling" if there is not a cool- ing/heating sensor. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 66 All settings that are available to the user (including advanced menus) can be reset to default values here. Caution After factory setting, personal set- tings such as heating curves must be reset. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 67 Blocking: The desired blocking is selected here. Conflict: If two settings conflict with each other a red exclamation mark is displayed. Blocking the compressor. Blocking additional heat. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...
  • Page 68 Scheduling then stops at the set stop time the day after. Scheduling always starts on the date that the start time is set for. Caution Long term blocking can cause reduced comfort and operating economy. Chapter 3 | F1255PC – at your service NIBE™ F1255PC...

  • Page 69: Disturbances In Comfort

    This can mean that the heat pump's compressor is not running. In this case the immersion heater produces heat and/or hot water. NOTE To select aid mode an alarm action must be selected in menu 5.1.4. Chapter 4 | Disturbances in comfort NIBE™ F1255PC...

  • Page 70: Troubleshooting

    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. Chapter 4 | Disturbances in comfort NIBE™ F1255PC...

  • Page 71: Low Room Temperature

    Uneven room temperature. Incorrectly set heating curve. Adjust the heating curve in menu 1.9.1. Too high set value on "dT at DOT".. Contact your installer! Uneven flow over the radiators. Contact your installer! Chapter 4 | Disturbances in comfort NIBE™ F1255PC...
  • Page 72 Not enough water in the climate system. Top up the water in the climate system. Low or a lack of ventilation This part of the fault-tracing chapter only applies if the NIBE FLM accessory is installed. The ventilation is not adjusted.

  • Page 73: Only Additional Heat

    Contact your installer! Uneven flow over the radiators. Contact your installer! Gurgling sound This part of the fault-tracing chapter only applies if the NIBE FLM accessory is installed. Not enough water in the water seal. Refill the water seal with water.

  • Page 74: 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™ F1255PC...

  • Page 75: Glossary

    Hose where the brine circulates in a closed system between the heat source and the heat pump. Compressor Compresses the gas state refrigerant. When the refrigerant is compressed, the pressure and the temperature increase. Chapter 6 | Glossary NIBE™ F1255PC...

  • Page 76: Domestic Hot Water

    Electrical addition This is electricity that, for example, an immersion heater uses as addition during the coldest days of the year to cover the heating demand that the heat pump cannot manage. Chapter 6 | Glossary NIBE™ F1255PC...

  • Page 77: Emergency Mode

    Examples of different heat exchangers are evaporators and condensers. Heat factor Measurement of how much heat energy the heat pump gives off in relation to the electric energy it needs to operate. Another term for this is COP. Chapter 6 | Glossary NIBE™ F1255PC...

  • Page 78: Heating Curve

    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 F1255PC. Chapter 6 | Glossary NIBE™ F1255PC...

  • Page 79: Room Sensor

    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™ F1255PC...

  • Page 80: Index

    Item register Adjust the heat pump, 53 Important information, 2 Alarm, 67 Contact information, 5 F1255PC – An excellent choice, 7 Back button, 12 Installation data, 2 Serial number, 4 Information window, 10 Contact information, 5 Installation data, 2 Contact with F1255PC, 10...
  • Page 81 The heat pump – the heart of the house, 8 Use the virtual keyboard, 18 Troubleshooting, 68 Chapter 7 | Item register NIBE™ F1255PC...
  • Page 84 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu 231820...

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