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A detailed explanation of the button functions can be found on page 40. How to scroll through menus and make different settings is described on page 42. The mode for setting the indoor temperature is reached, when in the start mode in the main menu, by pressing the OK button twice.
This installer manual must be left with the customer. Caution This symbol indicates important information about what you should observe when maintaining your installation. This symbol indicates tips on how to facilitate using the product. Chapter 1 | Important information NIBE™ F1245...
The hatches do not need to be opened during ser- leant back 45 °. Note! Can be tail heavy. vice, all service on F1245 can be carried out from the front. Leave space between the heat pump and wall behind (and any routing of supply cables and pipes) to reduce the risk reproduction of any vibration.
Remove the screws from the upper and lower edges. Twist the cover slightly outward. Move the cover backwards and slightly to the side. Pull the cover to one side. Pull the cover forwards. Chapter 2 | Delivery and handling NIBE™ F1245...
Remove the cover of the junction box according to the description on page 19. Grip the handle and pull the insulation carefully towards you as illustrated. Grip the handle and pull straight out as illustrated. NIBE™ F1245 Chapter 2 | Delivery and handling...
Serial number plate UB 1 Cable gland, incoming electricity UB 2 Cable gland UB 3 Cable gland, rear side, sensor Designations in component locations according to standard IEC 81346-1 and 81346-2. NIBE™ F1245 Chapter 3 | The heat pump design...
Input circuit board Designations in component locations according to standard AA 8 Sacrificial anode card* IEC 81346-1 and 81346-2. FA 1 Miniature circuit-breaker FB 1 Motor cut-out** FD 1 Temperature limiter/Emergency mode thermostat Chapter 3 | The heat pump design NIBE™ F1245...
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** 1x230 V, 3x230 V 6-10 kW, 3x400V 5 kW has auxiliary switch for motor cut-out. 3x400 V 6-12 kW Designations in component locations according to standard IEC 81346-1 and 81346-2. 3x230 V 6-8 kW 3x230 V 10 kW NIBE™ F1245 Chapter 3 | The heat pump design...
Pipe installation must be carried out in accordance with module, circulation pumps and a control system. F1245 is current norms and directives. F1245 can operate with a re- connected to the brine and heating medium circuits. turn temperature of up to 58 °C and an outgoing temperat- In the heat pump evaporator, the brine (water mixed with ure from the heat pump of 70 (65 °C with only the com-...
Insulate all indoor brine pipes against condensation. The level vessel must be installed as the highest point in the brine system on the incoming pipe before the brine pump (Alt. 1). * Can be angled for side connection. Chapter 4 | Pipe connections NIBE™ F1245...
Connecting the climate system A climate system is a system that regulates indoor comfort with the help of the control system in F1245 and for example radiators, underfloor heating/cooling, fan convectors etc. Install all required safety devices, shut-off valves (as close to the heat pump as possible), and supplied particle filter.
Ventilation recovery Docking alternatives The installation can be supplemented with the exhaust air F1245 can be connected in several different ways, some of module FLM to provide ventilation recovery. which are shown below. Pipes and other cold surfaces must be insulated with dif- Further option information is available at www.nibe.eu and...
If the climate system volume is too small for the heat pump information about connecting a ground water pump. output, the underfloor heating system can be supplemented with a buffer vessel, for example NIBE UKV. Pool Charging of the pool is controlled by the pool sensor. In the...
Disconnect the heat pump before insulation testing the house wiring. F1245 is not reconnectable between 1-phase and 3-phase, neither is it reconnectable between 3x230V and 3x400V. If the building is equipped with an earth-fault breaker, F1245 should be equipped with a separate one.
Cable lock Use a suitable tool to release/lock cables in the heat pump terminal blocks. Insert the screwdriver (A) and pry the catch carefully downwards (B). Angle out the cover and remove it. NIBE™ F1245 Chapter 5 | Electrical connections...
"Switch for external blocking of ad- Power connection dition and/or compressor" on page 24. F1245 must be installed via an isolator switch with a minim- Connecting external operating voltage for um breaking gap of 3mm. Minimum cable area must be di- the control system mensioned according to the fuse rating used.
Room sensor Install the outside temperature sensor (BT1) in the shade on F1245 is delivered with a room sensor supplied (BT50). The a wall facing north or north-west, so it is unaffected by the room temperature sensor has up to three functions: morning sun.
The load monitor is not connected. NOTE Switch (SF1) must not be moved to " " or " " until F1245 has been filled with water. Otherwise the temperature limiter, thermostat, compressor and the immersion heater can be damaged. Chapter 5 | Electrical connections NIBE™...
If an external switch function or sensor is connected at the same time as the electric addition is operating, there to F1245, the function to use input or output must is a risk of the property's main fuse tripping. The heat pump be selected in menu 5.4, see page 62.
Switch for external blocking of heating In those cases external blocking of heat is used, this can be An external contact function can be connected to F1245 for connected to terminal block X6 on the input card (AA3), activation of one of the four fan speeds. The switch must which is positioned behind the front cover.
NOTE Mark up any junction boxes with warnings for ex- ternal voltage. F1X45 Externt Caution The relay outputs can have a max load of 2 A (230 V AC) in total. Chapter 5 | Electrical connections NIBE™ F1245...
Start the filling pump. Fill until liquid enters the return pipe. Filling and venting the climate system Vent the brine system with venting valve on F1245. Close the valves on the filler connector. Filling Open the filling valve (external, not included with the 10.
The start guide ensures that the start-up is carried out cor- rectly and cannot be bypassed. The start guide can be started later in menu 5.7. Operation in the start guide Chapter 6 | Commissioning and adjusting NIBE™ F1245...
Then the pump shifts to intermittent operation. Here you set the max. electrical output of the internal elec- trical addition in F1245 and the fuse size for the installation. You can use “10 days continuous" at start-up to Here you can also check which current sensor is installed on...
Clean the exhaust air module's air filter regularly, how often depends on the amount of dust in the ventilation air. Chapter 6 | Commissioning and adjusting NIBE™ F1245...
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External addition with shunt is then for example wood/oil/gas/pellet boiler. For the shunt you can set shunt amplification and shunt waiting time. See the accessory installation instructions for function de- scription. NIBE™ F1245 Chapter 6 | Commissioning and adjusting...
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Setting range: 0.5 - 10.0 °C Setting range: 15.0 - 70.0 °C Default value: 1.0 Default value: 22.0 °C You can use F1245 to cool the house during hot periods of stop temperature the year. Setting range: 15.0 - 70.0 °C min.
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This part of the start guide is only displayed if the alternative Here you can set how long F1245 is to wait before it returns is selected in a previous menu and the accessory is installed.
26 Setting the heat curve Set the minimum temperature on the supply temperature to the climate system. This means that F1245 never calculates a temperature lower than that set here. If there is more than one climate system the setting can be made separately for each system.
You cannot deselect "compressor" in manual mode. "addition" is what helps the compressor to heat the accom- modation and/or the hot water when it cannot manage the whole requirement alone. NIBE™ F1245 Chapter 6 | Commissioning and adjusting...
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If no alarm action is selected, it can result in higher energy consumption in the event of an alarm. 29 Filling in the checklist Do not forget to fill in the checklist on page 3 and in the user manual. Chapter 6 | Commissioning and adjusting NIBE™ F1245...
F1245 8 kW Post adjustment and venting Tillgängligt tryck, kPa / Eleffekt, W Pump capacity diagrams, collector side To set the correct flow in the brine system the correct speed P100% must be set for the brine pump. The flow must have a temperature difference between brine P80% out (BT11) and brine in (BT10) of 2 - 5 °C when the system...
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F1245 8 and 12 kW Pump capacity diagrams, heating medium side Tillgängligt tryck, kPa Eleffekt, W To set the correct flow in the climate system the correct speed must be set for the heating medium pump in the dif- ferent operating conditions.
If the room temperature is too low, increase "temperat- ure" (heating curve offset) in menu 1.1, one step. If the room temperature is too high, reduce "temperature" (heating curve offset) in menu 1.1, one step. NIBE™ F1245 Chapter 6 | Commissioning and adjusting...
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 7 | Control - Introduction NIBE™ F1245...
3.1 that you should note. These two symbols indicate whether the compressor or addition is blocked in F1245. These can, for example, be blocked depend- ing on which operating mode is selected in menu 4.2, if blocking is scheduled in menu 4.9.5 or if an alarm has occurred that...
To select another option: 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 7 | Control - Introduction NIBE™ F1245...
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. NIBE™ F1245 Chapter 7 | Control - Introduction...
Set the temperature (with room sensors installed and activated): Setting range: 5 - 30 °C Default value: 20 Chapter 8 | Control - Menus NIBE™ F1245...
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If two settings conflict with each other a red exclamation mark is displayed at the end of the line. NIBE™ F1245 Chapter 8 | Control - Menus...
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Setting minimum permitted flow line temperature. room sensor settings Settings regarding the room sensor. cooling settings Settings for cooling. fan return time Fan return time settings in the event of temporary ventilation speed change. Chapter 8 | Control - Menus NIBE™ F1245...
35 and 45 °C. your location, if the house has radiators or under floor heating and how well insulated the house is. Check the max temperature for your floor with your installer/floor supplier. NIBE™ F1245 Chapter 8 | Control - Menus...
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1.9.7) is used. Set the minimum temperature on the supply temperature Press the OK button to exit the setting. to the climate system. This means that F1245 never calculates a temperature lower than that set here. To read off a heating curve:...
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Menu 1.9.8 - point offset Here you can set how long F1245 is to wait before it returns to heating mode when the cooling demand has ceased or outdoor temp. point vice versa.
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"outdoor temp. point" is set to "-2" and "change in curve" is increased until the desired room tem- perature is maintained. Caution Wait 24 hours before making a new setting, so that the room temperature has time to stabilise. Chapter 8 | Control - Menus NIBE™ F1245...
OK button. The time to the right displays the remaining time at the selected setting. When the time has run out F1245 returns to the mode set in menu 2.2. Schedule: The schedule to be changed is selected here.
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"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 8 | Control - Menus NIBE™ F1245...
The information is on several pages. Turn the control knob Otherwise, if an exhaust air module (NIBE FLM) is installed, to scroll between the pages. the exhaust air temperature is shown.
Status information for the relevant menu can be found on perature and there is no hot water or heating requirement, the display to the right of the menus. F1245 starts pool heating. plus functions Settings applying to any installed extra Untick "activated"...
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You can select what icon should be visible when the door the same time. If there is only one requirement the heat to F1245 is closed. You can select up to 3 icons. If you select pump only works with that requirement.
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Caution If the stop time is before the start time it means that the period extends past midnight. Scheduling always starts on the date that the start time is set for. NIBE™ F1245 Chapter 8 | Control - Menus...
) to default values. forced control Forced control of the different components in the heat pump. start guide Manual start of the start guide which is run the first time the heat pump is started. Chapter 8 | Control - Menus NIBE™ F1245...
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Here you set the start and stop temperature of the hot water energy consumption in the event of an alarm. for the different comfort options in menu 2.2 as well as the stop temperature for periodic increase in menu 2.9.1. NIBE™ F1245 Chapter 8 | Control - Menus...
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Set the operating mode of the heating medium pump here. min. brine out auto: The heating medium pump runs according to the current operating mode for F1245. Setting range: -12 – 15 °C intermittent: The heating medium pump starts 20 seconds Default value: -8 °C...
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Default value: 10 h Here you set the max. electrical output of the internal elec- trical addition in F1245 and the fuse size for the installation. months btwn filter alarms Here you can also check which current sensor is installed on Setting range: 1 –...
Page 64
For more information about the different parts of the start If you want to receive an SMS message in the event of the guide, see page 28. alarm mark the box to the right of the telephone number. Chapter 8 | Control - Menus NIBE™ F1245...
Page 65
NOTE During floor drying the heating medium pump in 100% runs regardless of the setting in menu 5.1.10. NIBE™ F1245 Chapter 8 | Control - Menus...
NOTE Switch (SF1) must not be moved to " " or " " until F1245 has been filled with water. Otherwise the temperature limiter, thermostat, compressor and the immersion heater can be damaged. Emergency mode is used in event of operational interference and in conjunction with service.
This is done by unscrewing the bleed screw on Screw in the venting screw (QM5). the highest radiator in the house. Start F1245 by setting the switch (SF1) to " " and check whether the circulation pump works. When the climate system is empty the requisite service can be carried out.
The cooling module can be pulled out for service and trans- port. Caution The cooling module is easier to remove if it is drained first (see page 64). Weight of the cooling module Type (kW) Weight (kg) Chapter 9 | Service NIBE™ F1245...
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Disconnect the connector (C) from the immersion heater circuit board (AA1) using a screwdriver. Disconnect the connector (D) from the joint circuit board (AA100). Carefully pull out the cooling module. The cooling module is installed in reverse order. NIBE™ F1245 Chapter 9 | Service...
The fact box at the top of the display shows information (always in English) of the most probable update that the F1245 is equipped with a USB socket in the display unit. This update software has selected form the USB memory.
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Set the desired interval between loggings. Tick “activated". Mark “read log settings" and press the OK button. The present values from F1245 are saved in a file in the USB memory at the set interval until “activated" is un- ticked.
Vent the climate system (see page 27). If the operational interference is not shown in the display the following tips can be used: Closed valves (QM20), (QM32)to the climate system. Open the valves. Chapter 10 | Disturbances in comfort NIBE™ F1245...
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Not enough water in the climate system. Top up the water in the climate system (see page 27). Low or a lack of ventilation This part of the fault-tracing chapter only applies if the NIBE FLM accessory is installed. Filter (HQ10) blocked.
Extra shunt group ECS 40/ECS 41 An accessory card is required if step controlled addition (e.g. This accessory is used when F1245 is installed in houses with external electric boiler) or if shunt controlled addition (e.g. two or more different climate systems that require different wood/oil/gas/pellet boiler) is to be connected to F1245.
Dimensions and setting-out coordinates * This dimension applies at 90° angle on the brine pipes (side connection). The dimension can vary approx. ±100 mm in height as the brine pipes partially consist of flexible pipes. NIBE™ F1245 Chapter 12 | Technical data...
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EN ISO 11203 at 0/35 and a distance of 1 m Pipe connections Brine ext diam. CU pipe Heating medium ext diam. CU pipes Hot water connection external diam Cold water connection external diam Chapter 12 | Technical data NIBE™ F1245...
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7 – 67 7 – 67 7 – 67 7 – 67 7 – 67 IP class IP 21 Refrigerant circuit Type of refrigerant R407C Volume Cut-out value pressostat HP 2.9 (29 bar) NIBE™ F1245 Chapter 12 | Technical data...
Page 80
Tap volume 40 °C at Lux comfort COP at Lux comfort Idle loss Lux comfort Dimensions and weight Width Depth Height 1800 Required ceiling height 1950 Weight complete heat pump Weight only cooling module Chapter 12 | Technical data NIBE™ F1245...
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(up to 70 °C) is obtained using the additional the power supplier before purchasing the equipment. heat. With feet dismantled the height is approx. 1930 mm. 12 kW 3x400V, 8-12 kW 1x230V °C °C Other °C °C NIBE™ F1245 Chapter 12 | Technical data...
Troubleshooting, 70 Docking alternatives, 16 Extra electric hot water heater, 16 Heating medium side, 15 Free cooling, 16 Connecting the climate system, 15 Ground water system, 17 Helping the circulation pump to start, 65 Chapter 13 | Item register NIBE™ F1245...
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Removing parts of the insulation, 7 Removing the cover, base board, 19 Removing the cover, immersion heater circuit board, 19 Removing the covers, 6 Removing the hatch, input circuit board, 19 Room sensor, 21 NIBE™ F1245 Chapter 13 | Item register...
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