Nibe F1255 Installer Manual
  1. Manuals
  2. Brands
  3. Nibe Manuals
  4. Heat Pump
  5. F1255 Series
  6. Installer manual

Nibe F1255 Installer Manual

Ground source heat pump
Hide thumbs Also See for F1255:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual, Installation Manual
Installer manual
NIBE™ F1255
Ground source heat pump
IHB GB 1335-1
231531

Advertisement

Table of Contents
loading

Related Manuals for Nibe F1255

Summary of Contents for Nibe F1255

  • Page 1 Installer manual NIBE™ F1255 Ground source heat pump IHB GB 1335-1 231531...
  • Page 2 A detailed explanation of the button functions can be found on page 30. How to scroll through menus and make different settings is described on page 32. 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

    Troubleshooting Docking alternatives 11 Accessories 5 Electrical connections General 12 Technical data Connections Dimensions and setting-out coordinates Settings Technical specifications Optional connections Electrical circuit diagram Connecting accessories Item register 6 Commissioning and adjusting Preparations NIBE™ F1255 Table of Contents |...

  • Page 4: Important Information

    This symbol indicates tips on how to facilitate using the product. Marking 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.

  • Page 5: Inspection Of The Installation

    Safety valve Shut off valves Circulation pump setting Electricity (page 17) 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™ F1255 Chapter 1 | Important information...

  • Page 6: Contact Information

    Puh: 09-274 697 0 Fax: 09-274 697 40 E-mail: info@nibe.fi www.nibe.fi AIT France, 10 rue des Moines, 67000 Haguenau Tel : 03 88 06 24 10 Fax : 03 88 06 90 15 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 www.nibe.co.uk...

  • Page 7: Delivery And Handling

    The hatches do not need to be opened may be leant back 45 °. Note! Can be tail heavy. during service, all service on F1255 can be carried out from the front. Leave space between the heat pump...

  • 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™ F1255...

  • Page 9: Removing Parts Of The Insulation

    1. Remove the cover for the junction box according to the description on page 18. 2. Grip the handle and pull the insulation carefully towards you as illustrated. 2. Grip the handle and pull straight out as illustrated. NIBE™ F1255 Chapter 2 | Delivery and handling...

  • Page 10: The Heat Pump Design

    3 The heat pump design General View from behind QM22 QN10 W130 F1255 AA4-XJ3 AA4-XJ3 QM34 QM31 QM32 QM33 View from above Chapter 3 | The heat pump design NIBE™ F1255...

  • Page 11: Pipe Connections

    AA4-XJ4 Service outlet (No function) EB 1 Immersion heater FR 1 Sacrificial anode* SF 1 Switch W130 Network cable for NIBE Uplink * Only heat pump with enamelled vessel. Miscellaneous PF 1 Rating plate PF 2 Type plate, cooling section PF 3...

  • Page 12: Electrical Cabinets

    AA 3 Input circuit board Designations in component locations according to AA 8 Sacrificial anode card* standard IEC 81346-1 and 81346-2. AA23 Communication board FA 1 Miniature circuit-breaker FB 1 Motor cut-out Chapter 3 | The heat pump design NIBE™ F1255...

  • Page 13: Cooling Section

    Temperature sensor, brine out BT 12 Temperature sensor, condenser supply line BT 14 Temperature sensor, hot gas BT 15 Temperature sensor, fluid pipe BT 17 Temperature sensor, suction gas BT 29 Temperature sensor, compressor NIBE™ F1255 Chapter 3 | The heat pump design...

  • Page 14: Pipe Connections

    4 Pipe connections System diagram General F1255 consists of a heat pump, water heater, electrical Pipe installation must be carried out in accordance with module, circulation pumps and a control system. F1255 current norms and directives. F1255 can operate with is connected to the brine and heating medium circuits.

  • Page 15: Dimensions And Pipe Connections

    Details of the antifreeze used must be shown on the level vessel. Install the supplied safety valve under the level vessel as illustrated. The entire length of the overflow water * Can be angled for side connection. NIBE™ F1255 Chapter 4 | Pipe connections...

  • Page 16: Heating Medium Side

    NIBE COMPACT, if a A climate system is a system that regulates indoor whirlpool or other significant consumer of hot water comfort with the help of the control system in F1255 is installed. and for example radiators, underfloor heating/cooling, The valve connection on COMPACT can be separated.

  • Page 17: Free Cooling

    The installation can be supplemented with fan con- pump output, the radiator system can be supplemented vectors, for example, in order to allow connections for with a buffer vessel, for example NIBE UKV. free cooling (PCS 44). Pipes and other cold surfaces must be insulated with diffusion-proof material to prevent condensation.
  • Page 18 If this docking alternative is used, "min. brine out" in menu 5.1.7 "br pmp al set." must be changed to a suitable value to prevent freezing in the heat ex- changer. Chapter 4 | Pipe connections NIBE™ F1255...

  • Page 19: Electrical Connections

    The temperature limiter (FD1) cuts the current supply If the building is equipped with an earth-fault to the electrical addition if the temperature rises breaker, F1255 should be equipped with a separate between 90 and 100°C and can be manually reset. one.
  • Page 20 Use a suitable tool to release/lock cables in the heat pump terminal blocks. 1. Insert the screwdriver (A) and pry the catch care- fully downwards (B). 2. Angle out the cover and remove it. Chapter 5 | Electrical connections NIBE™ F1255...

  • Page 21: Connections

    Power connection circuit board (AA1) the edge connector at AA1:X2 must be moved toAA1:X9 (as illustrated). F1255 must be installed via an isolator switch with a When connecting external operating voltage for the minimum breaking gap of 3mm. Minimum cable area control system with separate earth-fault breaker, dis- must be dimensioned according to the fuse rating used.

  • Page 22: Room Sensor

    Room sensor Install the outside temperature sensor (BT1) in the F1255 is delivered with a room sensor supplied (BT50). shade on a wall facing north or north-west, so it is un- The room temperature sensor has up to three functions: affected by the morning sun.

  • Page 23: Settings

    NOTE mersion heater. Switch (SF1) must not be moved to " " or " " until F1255 has been filled with water. Other- Switching to maximum electrical output wise the temperature limiter, thermostat, NOTE compressor and the immersion heater can be damaged.

  • Page 24: Optional Connections

    The size of the property’s main fuse is set in menu 5.1.12. Incoming electricity Inkommande el Elcentral Electrical distribution unit Värmepump Heat pump F1255 1 2 3 4 AA3-X4 AA3-X4 Chapter 5 | Electrical connections NIBE™ F1255...

  • Page 25: Nibe Uplink

    Temperature sensor, cooling/heating An extra temperature sensor can be connected to F1245 F1255 in order to better determine when it is time to switch between heating and cooling operation. The temperature sensor is connected to the selected input (menu 5.4, the alternative is only displayed if...

  • Page 26: Possible Selection For Aux Output (Potential Free Variable Relay)

    An external contact function can be connected to at full capacity at over capacity with the electricity F1255 for activation of one of the four fan speeds. The supplier (effect on the system is settable in menu switch must be potential free and connected to the 4.1.5).

  • Page 27: Connecting Accessories

    (230 V AC) in total. Connecting accessories Instructions for connecting accessories are in the install- ation instructions provided for the respective accessory. See page 64 for the list of the accessories that can be used with F1255. NIBE™ F1255 Chapter 5 | Electrical connections...

  • Page 28: Commissioning And Adjusting

    7. Fill until liquid enters the return pipe. 1. Open the venting valve (QM22). 8. Vent the brine system with venting valve on F1255. 2. When the water that exits the venting valve 9. Close the valves on the filler connector.

  • Page 29: Start Guide

    The start guide can The help text often consists of several windows that be started later in menu 5.7. you can scroll between using the control knob. NIBE™ F1255 Chapter 6 | Commissioning and adjusting...

  • Page 30: Post Adjustment And Venting

    Eleffekt running and automatically sets the speed of the heating medium pump, for the present operating mode, to F1255 4 – 16 kW obtain the optimal temperature difference between the supply and return lines. During heating operation Available pressure, kPa...

  • Page 31: Readjusting, Venting, Heat Medium Side

    If the pressure drops, the sys- tem should be replenished. Tillgängligt tryck Eleffekt Post adjusting the room temperat- F1255 4 – 16 kW Tillgängligt tryck, kPa Available pressure, kPa If the required room temperature is not obtained, re- Eleffekt, W Electrical output, W adjustment may be necessary.

  • Page 32: 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™ F1255...

  • Page 33: Menu System

    See page 44. Accessory NIBE FLM required. Menu 4 - HEAT PUMP This symbol indicates whether F1255 has contact with NIBE Uplink™. Setting time, date, language, display, operating mode etc. See page 45.

  • Page 34: 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 option. The selected option has a green tick. Chapter 7 | Control - Introduction NIBE™ F1255...

  • Page 35: Use The Virtual Keyboard

    1. Turn the control knob until one of the arrows in the top left corner (at the page number) has been marked. 2. Press the OK button to skip between the steps in the start guide. NIBE™ F1255 Chapter 7 | Control - Introduction...

  • Page 36: Control - Menus

    Set the temperature (with room sensors installed thermostats fully, except in those rooms where and activated): a cooler temperature is required, e.g. bed- rooms. Setting range: 5 - 30 °C Default value: 20 Chapter 8 | Control - Menus NIBE™ F1255...
  • Page 37 NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 38 Scheduling always starts on the date that the start time is set for. A significant change over a longer period of time may cause poor indoor environment and worse operating economy. Chapter 8 | Control - Menus NIBE™ F1255...
  • Page 39 An offset of the heating curve means that the supply temperature changes as much for all the outdoor temperatures, e.g. that a curve offset of +2 steps in- creases the supply temperature by 5 °C at all outdoor temperatures. NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 40 Set the minimum temperature on the supply temper- the steeper the slope and the greater the supply ature to the climate system. This means that F1255 temperature. Heating curve 0 means that never calculates a temperature lower than that set curve (menu 1.9.7) is used.
  • Page 41 If several climate systems are installed the above set- Default values: 30 s tings can be made for the relevant systems. Menu 1.9.5 - cooling settings (accessory re- You can use F1255 to cool the house during hot periods of the year. quired) min. temp. cooling flow min.
  • Page 42 Here you can set at which indoor temperature F1255 is to shift between heating respectively cooling opera- Here you can set how long F1255 is to wait before it tion. returns to heating mode when the cooling demand has ceased or vice versa.
  • Page 43 Default value: 6 °C Activate night cooling here. When the temperature in the house is high and the outdoor temperature is lower, a cooling effect can be obtained by forcing the ventilation. NIBE™ F1255 Chapter 8 | Control - Menus...

  • Page 44: Menu 2 - Hot Water

    Schedule: The schedule to be changed is selected here. to the right. Activated: Scheduling for the selected period is activ- When the time has run out F1255 returns to the mode ated here. Set times are not affected at deactivation. set in menu 2.2.
  • Page 45 "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. NIBE™ F1255 Chapter 8 | Control - Menus...

  • Page 46: Menu 3 - Info

    No changes can be made. room temperature sensor/room unit is installed. The information is on several pages. Turn the control Otherwise, if an exhaust air module (NIBE FLM) is in- knob to scroll between the pages. stalled, the exhaust air temperature is shown.

  • Page 47: Menu 4 - Heat Pump

    The start temperature cannot be set to a value that is higher than the stop temperature. Menu 4.1.3 - internet Here you make settings for connecting F1255 to the internet. NIBE™ F1255 Chapter 8 |...
  • Page 48 All settings made since opening the menu can be reset by marking "reset" and pressing the A connected user has a user account in NIBE Uplink™ OK button. which have been given permission to control and/or monitor your installation.
  • Page 49 Setting range: auto, manual, add. heat only You can select what icon should be visible when the door to F1255 is closed. You can select up to 3 icons. Default value: auto If you select more, the ones you selected first will disap- functions pear.
  • Page 50 Setting range: 0 to 180 min Time and date are set automatically if the heat Default value: 30 min pump is connected to NIBE Uplink™. To obtain the correct time, the time zone must be set. Choose here how long the heat pump should work with each requirement if there are two or more require- ments at the same time.
  • 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™ F1255 Chapter 8 | Control - Menus...

  • Page 52: Menu 5 - Service

    Operating settings for the heat pump. NOTE system settings System settings for the heat pump, Incorrect settings in the service menus can activating accessories etc. damage the heat pump. accessory settings Operational settings for different accessories. Chapter 8 | Control - Menus NIBE™ F1255...
  • Page 53 Set the temperature at which the heat pump is to ac- When the current supply temperature deviates from tivate the alarm for high temperature in incoming the set value compared to that calculated, the heat brine. NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 54 The heating medium pump runs according to set the heating medium pump speed during active re- the current operating mode for F1255. spectively cooling operating modes (the heating medi- um pump then runs in manual operation).
  • Page 55 Default value: 3 Here you set the max. electrical output of the internal continuous pump op.: Select for continuous operation electrical addition in F1255 and the fuse size for the of the circulation pump in the exhaust air module. installation.
  • Page 56 Selectable inputs on terminal block AUX1-5 (AA3-X6:9- 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™ F1255...
  • 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™ F1255 Chapter 8 | Control - Menus...

  • Page 58: Service

    Emergency mode F1255 NOTE Switch (SF1) must not be moved to " " or " " until F1255 has been filled with water. Other- wise the temperature limiter, thermostat, compressor and the immersion heater can be damaged. FD1-BT30 Emergency mode is used in event of operational inter- ference and in conjunction with service.

  • Page 59: Helping The Circulation Pump To Start

    F1255 -6 to -12 kW. tion (XL2). 1. Shut off F1255 by setting the switch (SF1) to " ". When the heating medium side is empty the requisite service can be carried out.

  • Page 60: Temperature Sensor Data

    (see page 56). Weight of the cooling module Type (kW) Weight (kg) 4 – 16 kW NOTE Shut off the heat pump and turn off the cur- rent on the safety breaker. Chapter 9 | Service NIBE™ F1255...
  • Page 61 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 or- der. NIBE™ F1255 Chapter 9 | Service...
  • Page 62 (always in English) of the most probable update that the update software has selected form the USB F1255 is equipped with a USB socket in the display unit. memory. This USB socket can be used to connect a USB memory...
  • Page 63 Setting range: 1 s – 60 min Default setting range: 5 s Set whether the present measurement values from F1255 are to be saved in a log on the USB memory. Log for longer periods 1. Set the desired interval between loggings.

  • Page 64: Disturbances In Comfort

    The Check any external switches. status lamp will therefore continue to be red. Circulation pump(s) (GP1 and/or GP2) stopped. See section "Helping the circulation pump to start" on page 57. Chapter 10 | Disturbances in comfort NIBE™ F1255...

  • Page 65: High Room Temperature

    Gurgling sound 26). This part of the fault-tracing chapter only applies if the NIBE FLM accessory is installed. Low or a lack of ventilation Not enough water in the water seal. This part of the fault-tracing chapter only applies if the Refill the water seal with water.

  • Page 66: Accessories

    An accessory card is also required if the ground water pump or external circulation pump is connected to 5 kW, 1 x 230 V F1255 at the same time that the buzzer alarm is activ- Part no. 069 025 ated.
  • Page 67 (stainless steel) for hot water production. Part no. 056 283 Volume expansion tank that is primarily used for ex- panding the volume with an AHPS. Part no. 056 284 NIBE™ F1255 Chapter 11 | Accessories...

  • Page 68: 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. Chapter 12 | Technical data NIBE™ F1255...

  • Page 69: Technical Specifications

    Max operating current heat pump incl. 2 – 4 kW immersion heater 17(20) (Recommended fuse rating) Max operating current heat pump including 5 kW immersion heater 21(25) (Recommended fuse rating) Max operating current heat pump including 6 kW immersion heater 18(25) (Recommended fuse rating) NIBE™ F1255 Chapter 12 | Technical data...
  • Page 70 Volume water heater Max pressure in water heater 1.0 (10 bar) Capacity hot water heating (comfort mode Normal) According to EN16147 Amount of hot water (40 °C) (tap profile XL) Dimensions and weight Width Chapter 12 | Technical data NIBE™ F1255...

  • Page 71: Diagram, Dimensioning Compressor Speed

    100 % 50 % Heating mode Specified heating output 100 % 50 % °C Brine in °C Brine in Use this diagram to size the heating dump (for cooling operation) and for pool heating. NIBE™ F1255 Chapter 12 | Technical data...

  • Page 72: Electrical Circuit Diagram

    Electrical circuit diagram Chapter 12 | Technical data NIBE™ F1255...
  • Page 73 NIBE™ F1255 Chapter 12 | Technical data...
  • Page 74 Chapter 12 | Technical data NIBE™ F1255...
  • Page 75 NIBE™ F1255 Chapter 12 | Technical data...
  • Page 76 Chapter 12 | Technical data NIBE™ F1255...
  • Page 77 NIBE™ F1255 Chapter 12 | Technical data...

  • Page 78: Item Register

    General, 17 Control - Introduction, 30 Load monitor, 22 Control - Menus, 34 Miniature circuit-breaker, 17 Control - Introduction, 30 NIBE Uplink™, 23 Display unit, 30 Optional connections, 22 Menu system, 31 Outdoor sensor, 20 Control knob, 30 Power connection, 19...
  • Page 79 Temperature sensor data, 58 Miniature circuit-breaker, 17 USB service outlet, 60 Setting a value, 32 Settings, 21 NIBE Uplink™, 23 Standby mode, 56 NV 10, pressure/level/flow monitor brine, 24 Power in emergency mode, 21 Start guide, 27 OK button, 30...
  • Page 80 Component locations, 8 List of components, 8 Transport, 5 Troubleshooting, 62 USB service outlet, 60 Use the virtual keyboard, 33 Working range heat pump, 69 Chapter 13 | Item register NIBE™ F1255...
  • Page 81 NIBE™ F1255 Chapter 13 |...
  • Page 82 Chapter 13 | NIBE™ F1255...
  • Page 84 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu 231531...

Table of Contents