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Nibe F125 Installer Manual

Ground source heat pump
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Installer manual
NIBE™ F1245
Ground source heat pump
IHB GB 1251-3
431040

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Summary of Contents for Nibe F125

  • Page 1 Installer manual NIBE™ F1245 Ground source heat pump IHB GB 1251-3 431040...
  • Page 2 A detailed explanation of the button functions can be found on page 32. How to scroll through menus and make different settings is described on page 34. The mode for setting the indoor temperature is reached, when in the start mode in the main menu, by pressing the OK button twice.

  • Page 3: Table Of Contents

    Hot water heater Manage alarm Docking alternatives Troubleshooting 5 Electrical connections 11 Accessories General Connections 12 Technical data Settings Dimensions and setting-out coordinates Optional connections Technical specifications Connecting accessories Item register 6 Commissioning and adjusting NIBE F1245 Table of Contents |...

  • Page 4: Important Information

    Marking F1245 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 relev- ant EU directives. The CE mark is obligatory for most products sold in the EU, regardless where they are made.

  • Page 5: Inspection Of The Installation

    Safety valve Shut off valves Circulation pump setting Electricity (page 18) Fuses heat pump Fuses property Outside sensor Room sensor Current sensor Safety breaker Earth circuit-breaker Setting of emergency mode thermostat Miscellaneous Guarantee submitted NIBE™ F1245 Chapter 1 | Important information...

  • Page 6: Contact Information

    Tel./fax +7 831 419 57 06 NIBE AB Sweden, Box 14, Hannabadsvägen 5, SE-285 21 Markaryd Tel: +46-(0)433-73 000 Fax: +46-(0)433-73 190 For countries not mention in this list, please contact Nibe Sweden or check for more information. Chapter 1 | Important information...

  • Page 7: Delivery And Handling

    Wherever the unit is located, walls to sound sensitive rooms should be fitted with sound insulation. Route pipes so they are not fixed to an internal wall that backs on to a bedroom or living room. NIBE™ F1245 Chapter 2 | Delivery and handling...

  • Page 8: Supplied Components

    1. Remove the screws from the upper and lower edges. 2. Twist the cover slightly outward. 3. Move the cover backwards and slightly to the side. 4. Pull the cover to one side. 5. Pull the cover forwards. Chapter 2 | Delivery and handling NIBE™ F1245...

  • Page 9: Removing Parts Of The Insulation

    1. Remove the cover for the junction box according to the description on page 19. 2. Grip the handle and pull the insulation carefully to- wards you as illustrated. 2. Grip the handle and pull straight out as illustrated. NIBE™ F1245 Chapter 2 | Delivery and handling...

  • Page 10: The Heat Pump Design

    3 The heat pump design General View from behind View from above Chapter 3 | The heat pump design NIBE™ F1245...

  • Page 11: Pipe Connections

    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...

  • Page 12: Electrical Cabinets

    AA 3 Input circuit board AA 8 Sacrificial anode card* FA 1 Miniature circuit-breaker FB 1 Motor cut-out** FD 1 Temperature limiter/Emergency mode thermostat * Only heat pump with enamelled vessel. Chapter 3 | The heat pump design NIBE™ F1245...
  • Page 13 ** 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...

  • Page 14: Cooling Section

    Compressor heater Cooling components EP 1 Evaporator EP 2 Condenser GQ 10 Compressor HS 1 Drying filter QN 1 Expansion valve Designations in component locations according to standard IEC 81346-1 and 81346-2. Chapter 3 | The heat pump design NIBE™ F1245...

  • Page 15: Pipe Connections

    Connection, heating medium flow Austria) XL 2 Connection, heating medium return Compressor XL 3 Connection, cold water Heat exchanger XL 4 Connection, hot water XL 6 Connection, brine in XL 7 Connection, brine out NIBE™ F1245 Chapter 4 | Pipe connections...

  • Page 16: Dimensions And Pipe Connections

    (Alt. 1). If the level vessel cannot be placed at the highest point an expansion vessel must be used (Alt. 2). * Can be angled for side connection. Chapter 4 | Pipe connections NIBE™ F1245...

  • Page 17: Heating Medium Side

    The entire length of the overflow water pipe from the safety valves must be inclined to prevent water pockets and must also be frost proof. NIBE™ F1245 Chapter 4 | Pipe connections...

  • Page 18: Docking Alternatives

    The heat pump should be supplemented with an electric Ø 160 Ø 160 water heater, for example NIBE COMPACT, if a whirlpool or other significant consumer of hot water is installed. The valve connection on COMPACT can be separated. The mixing valve remains on COMPACT and the remain- ing valve connector can be used for incoming cold water in F1245.

  • Page 19: Under Floor Heating Systems

    If the climate system volume is too small for the heat for more information about connecting a ground water pump output, the underfloor heating system can be pump. supplemented with a buffer vessel, for example NIBE UKV. Pool Charging of the pool is controlled by the pool sensor. In...

  • Page 20: Electrical Connections

    The breaker is reset by twisting the con- trol knob to horizontal position. Caution Check the miniature circuit-breaker, temperature limiter and motor protection breaker. They may have tripped during transportation. Chapter 5 | Electrical connections NIBE™ F1245...

  • Page 21: Accessibility, Electrical Connection

    Use a suitable tool to release/lock cables in the heat pump terminal blocks. 1. Insert the screwdriver (A) and pry the catch carefully downwards (B). 2. Angle out the cover and remove it. NIBE™ F1245 Chapter 5 | Electrical connections...

  • Page 22: Connections

    F1245 is not reconnectable between 1-phase and 3-phase, neither is it reconnectable between 3x230V and 3x400V. Connection 3x400V L1 1 L2 L3 Connection 3x230V 1 L2 2 L3 Connection 1x230V 0 L1 1 Chapter 5 | Electrical connections NIBE™ F1245...
  • Page 23 X6:5 and X6:6 on the input card (AA3). Use a 2 core cable of at least 0.5 mm² cable area. F1245 L1 1 L2 L3 * Only with separate earth-fault breaker. NIBE™ F1245 Chapter 5 | Electrical connections...

  • Page 24: Settings

    7 kW) ation with underfloor heating will not give a noticeable difference in room temperature. Max elec- Max phase Max phase Max phase trical addi- current current current tion (kW) L1(A) L2(A) L3(A) Chapter 5 | Electrical connections NIBE™ F1245...
  • Page 25 Switch (SF1) must not be moved to " " or " " until F1245 has been filled with water. Other- wise the temperature limiter, thermostat, com- pressor and the immersion heater can be dam- aged. NIBE™ F1245 Chapter 5 | Electrical connections...

  • Page 26: Optional Connections

    This means that when an external switch function or sensor is connected to one of six special connections, the correct function must be selected to the correct connection in the software in F1245. Chapter 5 | Electrical connections NIBE™ F1245...

  • Page 27: Switch For External Forced Control Of Brine Pump

    In those cases external blocking of heat is used, this can when the contact is opened again. be connected to terminal block X6 on the input card (AA3), which is positioned behind the front cover. NIBE™ F1245 Chapter 5 | Electrical connections...

  • Page 28: Connecting Accessories

    External circulation pump, ground water pump or hot water circulation pump connected to the buzzer alarm relay as illustrated below. NOTE Mark up any junction boxes with warnings for external voltage. Chapter 5 | Electrical connections NIBE™ F1245...

  • Page 29: Commissioning And Adjusting

    Filling and venting the brine system XL 6 Connection, brine in When filling the brine system, mix the water with anti- XL 7 Connection, brine out freeze in an open container. The mixture should be pro- NIBE™ F1245 Chapter 6 | Commissioning and adjusting...

  • Page 30: Start Guide

    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 6 | Commissioning and adjusting NIBE™ F1245...

  • Page 31: Post Adjustment And Venting

    P90% P80% Tillgängligt tryck, kPa / Eleffekt, W P70% P60% P100% Flöde 60% 70% 80% 100% P80% 100% P60% P40% Flöde 0 0,05 0,10 0,15 0,20 0,25 0,30 0,35 0,40 0,45 0,50 NIBE™ F1245 Chapter 6 | Commissioning and adjusting...
  • Page 32 0,05 0,10 0,15 0,20 0,25 0,30 0,35 0,40 0,45 F1245 6 kW Tillgängligt tryck, kPa Eleffekt, W P100% P80% 100% P60% P40% Flöde 0,05 0,10 0,15 0,20 0,25 0,30 0,35 0,40 0,45 Chapter 6 | Commissioning and adjusting NIBE™ F1245...

  • Page 33: Readjusting, Venting, Heat Medium Side

    If the room temperature is too low, increase "temper- ature" (heating curve offset) in menu 1.1, one step. If the room temperature is too high, reduce "temperat- ure" (heating curve offset) in menu 1.1, one step. NIBE™ F1245 Chapter 6 | Commissioning and adjusting...

  • Page 34: Control - Introduction

    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...

  • Page 35: Menu System

    Menu 3 - INFO normal setting. Display of temperature and other operating information and access to the alarm log. See page 45. Accessory NIBE FLM required. Menu 4 - HEAT PUMP This symbol indicates whether "holiday setting" is activated in menu 4.7.

  • Page 36: Setting A Value

    To select another option: 1. Mark the applicable option. One of the options is pre-selected (white). 2. Press the OK button to confirm the selected op- tion. The selected option has a green tick. Chapter 7 | Control - Introduction NIBE™ F1245...

  • Page 37: Scroll Through The Windows

    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. NIBE™ F1245 Chapter 7 | Control - Introduction...

  • Page 38: Control - Menus

    Setting range: 5 - 30 °C Default value: 20 The value in the display appears as a temperature in °C if the heating system is controlled by a room sensor. Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 39 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...
  • Page 40 This menu has several sub-menus. heating curve Setting the heating curve slope. external adjustment Setting the heat curve offset when the external contact is connected. min. flow line temp. Setting minimum permitted flow line temperature. Chapter 8 | Control - Menus NIBE™ F1245...

  • Page 41: Heating Curve

    The slope of the heating curve indicates how many de- grees the supply temperature is to be increased/reduced when the outdoor temperature drops/increases. A steeper slope means a higher supply temperature at a certain outdoor temperature. NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 42 The value can be increased if you have, for ex- ample, a cellar that you always want to heat, even in summer. You may also need to increase the value in "stop heating" menu 4.9.2 "auto mode setting". Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 43 Here you select the return time for temporary speed to the climate system during cooling operation. This change (speed 1-4) on the ventilation in menu 1.2. means that F1245 never calculates a temperature lower than that set here. NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 44 "outdoor temp. point" is set to "-2" and "change in curve" is increased until the desired room temperature 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...

  • Page 45: Menu 2 - Hot Water

    The difference between the selectable modes is the Adjusting: Set the hot water comfort that is to apply temperature of the hot tap water. Higher temperature during scheduling here. means that the hot water lasts longer. NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 46 "operating time" decide how long the hot water circula- tion 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...

  • Page 47: Menu 3 - Info

    Otherwise, if an exhaust air module (NIBE FLM) is installed, by week during the past year. the exhaust air temperature is shown. Menu 3.1 - service info To read off an average temperature 1.

  • Page 48: Menu 4 - Heat Pump

    Default value: 24.0 °C It is also possible to set the heat pump to "add. heat only", but only when an addition is used, or "manual" and select yourself what functions are to be permitted. Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 49 Menu 4.4 - time & date If 0 minutes is selected it means that requirement is not prioritised, but will only be activated when there is no Set time and date and display mode here. other requirement. NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 50 Setting range: 0 – 1000 Default value: 100 Blocking additional heat. Degree minutes are a measurement of the current heating requirement in the house and determine when the com- pressor respectively additional heat will start/stop. Chapter 8 | Control - Menus NIBE™ F1245...
  • 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. Caution Long term blocking can cause reduced comfort and operating economy. NIBE™ F1245 Chapter 8 | Control - Menus...

  • Page 52: Menu 5 - Service

    Forced control of the different compon- ents in the heat pump. start guide Manual start of the start guide which is run the first time the heat pump is started. quick start Quick starting the compressor. Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 53 Setting range: 55 – 70 °C Default values: 55 °C Here you set the start and stop temperature of the hot water for the different comfort options in menu 2.2 as NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 54 Factory setting 8 kW Copper/Stainless steel: 40 % Factory setting 10 kW Enamel: 70 % Factory setting 10 kW Copper/Stainless steel: 55 % Factory setting 12 kW Enamel: 100 % Factory setting 12 kW Copper/Stainless steel: 70 % Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 55 "level sensor" are not found automatically but Setting range: 0.1 –10.0 must be ticked off by hand. Default value: 1.0 mixing valve step delay Setting range: 10 – 300 s Default values: 30 s NIBE™ F1245 Chapter 8 | Control - Menus...
  • Page 56 Selectable inputs on terminal block AUX1-5 (AA3-X6:9- temp. period 4 18) and output AA3-X7 (on the input circuit board). Setting range: 15 - 70 °C Default value: 45 °C Set the function for under floor drying here. Chapter 8 | Control - Menus NIBE™ F1245...
  • Page 57 The date, time and ID no. (unique to certain settings) and the new set value is shown for every change. NOTE The change log is saved at restart and remains unchanged after factory setting. NIBE™ F1245 Chapter 8 | Control - Menus...

  • Page 58: Service

    Servicing should only be carried out by persons with the necessary expertise. When replacing components on F1245 only re- placement parts from NIBE may be used. Emergency mode NOTE Switch (SF1) must not be moved to " " or "...

  • Page 59: Emptying The Brine System

    Do this by slightly slackening off the connection at the shut-off valve (QM33) that joins the heat pump with the cooling module. When the brine side is empty the requisite service can be carried out. NIBE™ F1245 Chapter 9 | Service...

  • Page 60: Temperature Sensor Data

    Drain the cooling module according to the instruc- 1.469 0.785 tions on page 56. 1.246 0.691 1.061 0.607 0.908 0.533 0.779 0.469 0.672 0.414 Pull off the lock catches. Disconnect the pipe connection at the pipe coupling (WP4). Chapter 9 | Service NIBE™ F1245...
  • Page 61 At reinstallation, the supplied O-rings must re- heater circuit board (AA1) using a screwdriver. place the existing ones at the connections to the heat pump (see image). Disconnect the connector (D) from the joint circuit board (AA100). NIBE™ F1245 Chapter 9 | Service...

  • Page 62: Usb Service Outlet

    NOTE For the following functions to work the USB memory must contain files with software for F1245 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.
  • Page 63 3. Mark “read log settings" and press the OK button. 4. The present values from F1245 are saved in a file in the USB memory at the set interval until “activated" is unticked. Caution Untick "activated" before removing the USB memory. NIBE™ F1245 Chapter 9 | Service...

  • Page 64: Disturbances In Comfort

    The Circulation pump(s) (GP1 and/or GP2) stopped. status lamp will therefore continue to be red. See section "Helping the circulation pump to start" on page 57. Air in the climate system. Chapter 10 | Disturbances in comfort NIBE™ F1245...
  • Page 65 (see page 62). This part of the fault-tracing chapter only applies if the Closed valves (QM20), (QM32)to the climate system. NIBE FLM accessory is installed. Open the valves. Not enough water in the water seal. Refill the water seal with water.

  • Page 66: Accessories

    If the mobile telephone also has the Android operating RMU 40 means that control and monitoring of the heat system the mobile application ”NIBE Mobile App” can pump can be carried out in a different part of the accom- be used.

  • Page 67: Technical Data

    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...

  • Page 68: Technical Specifications

    Refrigerant circuit Type of refrigerant R407C Volume Cut-out value pressostat HP 2.9 (29 bar) Difference pressostat HP -0.7 (-7 bar) Cut-out value pressostat LP 0.15 (1.5 bar) Difference pressostat LP 0.15 (1.5 bar) Chapter 12 | Technical data NIBE™ F1245...
  • Page 69 4.50 4.40 4.24 EN14511 0/45 Rated output 5.14 6.99 8.47 11.27 Electrical output 1.49 1.92 2.34 3.33 3.45 3.63 3.62 3.39 EN14511 Additional power 2/4/6/9 Electrical data Rated voltage 230V 3NAC 50 Hz NIBE™ F1245 Chapter 12 | Technical data...
  • Page 70 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...
  • Page 71 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 72 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...
  • Page 73 °C, the remainder (up to 70 °C) is obtained using the the power supplier before purchasing the equipment. additional 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...

  • Page 74: Item Register

    Troubleshooting, 62 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, 57 Chapter 13 | Item register NIBE™ F1245...
  • Page 75 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, 22 NIBE™ F1245 Chapter 13 | Item register...
  • Page 76 Chapter 13 | NIBE™ F1245...
  • Page 77 NIBE™ F1245 Chapter 13 |...
  • Page 78 Chapter 13 | NIBE™ F1245...
  • Page 80 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd 431040...

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