Nibe F1255PC BE Installer Manual
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Nibe F1255PC BE Installer Manual

Nibe F1255PC BE Installer Manual

Ground source heat pump
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IHB EN 1835-1
531065
Ground source heat pump
NIBE F1255PC BE
INSTALLER MANUAL

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Summary of Contents for Nibe F1255PC BE

  • Page 1 IHB EN 1835-1 INSTALLER MANUAL 531065 Ground source heat pump NIBE F1255PC BE...
  • Page 2 Quick guide Navigation Ok button (confirm/select) Back button (back/undo/exit) Control knob (move/increase/reduce) 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 Set the indoor climate INDOOR CLIMATE HOT WATER HEAT PUMP...

  • Page 3: Table Of Contents

    Dimensions and setting-out coordinates Water heater Technical specifications Docking alternatives Energy labelling 5 Electrical connections Item register General Connections Contact information Settings Optional connections Connecting accessories 6 Commissioning and adjusting Preparations Filling and venting NIBE F1255PC BE Table of Contents...

  • Page 4: Important Information

    This symbol indicates tips on how to facilitate of service. using the product. Improper disposal of the product by the user results in administrative penalties in accordance with current le- gislation. Chapter 1 | Important information NIBE F1255PC BE...

  • Page 5: Environmental Information

    Kyoto agreement. F-GAS REGULATION (EU) NO. 517/2014 The equipment contains R407C, a fluorinated green- house gas with a GWP value (Global Warming Potential) of 1,774. Do not release R407C into the atmosphere. NIBE F1255PC BE Chapter 1 | Important information...

  • Page 6: Inspection Of The Installation

    Shut off valves Circulation pump setting Electricity (page Connections Main voltage Phase voltage Fuses heat pump Fuses property Outside sensor Room sensor Current sensor Safety breaker Earth circuit-breaker Setting of emergency mode thermostat Chapter 1 | Important information NIBE F1255PC BE...

  • Page 7: Delivery And Handling

    (see image). The panels do not need to be removed during service. All service on F1255PC BE can be carried out from the front. Leave space between the heat pump and the wall behind (and any routing of supply cables and pipes) to reduce the EXTRACTING THE COOLING MODULE risk of any vibration being propagated.

  • Page 8: Supplied Components

    Remove the screws from the upper and lower of the heat pump. edges. Twist the cover slightly outward. Move the hatch outwards and backwards. Assembly takes place in the reverse order. Chapter 2 | Delivery and handling NIBE F1255PC BE...

  • Page 9: Removing Parts Of The Insulation

    Grip the handle and pull the insulation carefully to- wards you as illustrated. Grip the handle and pull straight out as illustrated. NIBE F1255PC BE Chapter 2 | Delivery and handling...

  • Page 10: The Heat Pump Design

    3 The heat pump design VIEW FROM ABOVE General QM22 QN10 W130 QN10 VIEW FROM BEHIND AA4-XJ4 AA4-XJ3 QM34 QM34 QM31 QM31 QM33 QM32 Chapter 3 | The heat pump design NIBE F1255PC BE...
  • Page 11 ELECTRICAL COMPONENTS Display unit AA4-XJ3 USB socket AA4-XJ4 Service outlet (No function) Immersion heater Switch W130 Network cable for NIBE Uplink MISCELLANEOUS Rating plate Type plate, cooling section Cable gland, incoming electricity Cable gland Cable gland, rear side, sensor Designations in component locations according to standard IEC 81346-1 and 81346-2.

  • Page 12: Distribution Boxes

    Immersion heater card Base card Input circuit board Extra relay circuit board AA23 Communication board Miniature circuit-breaker Temperature limiter/Emergency mode thermostat Designations in component locations according to standard IEC 81346-1 and 81346-2. Chapter 3 | The heat pump design NIBE F1255PC BE...

  • Page 13: Cooling Section

    Temperature sensor, condenser supply line BT14 Temperature sensor, hot gas BT15 Temperature sensor, fluid pipe BT17 Temperature sensor, suction gas ELECTRICAL COMPONENTS AA100 Joint card EB10 Compressor heater QA40 Inverter NIBE F1255PC BE Chapter 3 | The heat pump design...

  • Page 14: Pipe Connections

    58 °C and an outgoing temperature from the heat pump of 70 (65 °C with only Expansion vessel the compressor). F1255PC BE is not equipped with external shut off Level vessel valves; these must be installed to facilitate any future servicing.

  • Page 15: Dimensions And Pipe Connections

    F1255PC BE consists of a heat pump, water heater, electrical module, circulation pumps and a control sys- connections tem. F1255PC BE is connected to the brine and heating medium circuits. In the heat pump evaporator, the brine (water mixed with anti-freeze, glycol or ethanol) releases its energy to the refrigerant, which is vaporised in order to be compressed in the compressor.

  • Page 16: Brine Side

    F1255PC BE and for example radiators, underfloor heating/cooling, fan convectors etc. • Install all necessary safety devices, shut-off valves (as close to the heat pump as possible) and the enclosed filterball. Chapter 4 | Pipe connections NIBE F1255PC BE...

  • Page 17: Water Heater

    Docking alternatives F1255PC BE can be connected in several different ways, some of which are shown below. Further option information is available at nibe.eu...
  • Page 18 To ensure a heating supply during hot water production, pump. the heating system can be supplemented with a NIBE If this docking alternative is used, "min. brine out" in UKV vessel, e.g. when there is a water coil in the FTX menu 5.1.7 "br pmp al set."...
  • Page 19 By supplementing the installation with the accessory POOL 40, pool heating is enabled in your climate unit. During pool heating, the heating medium circulates between the F1255PC BE and the pool exchanger using the heat pump’s internal circulation pumps. NIBE F1255PC BE...

  • Page 20: Electrical Connections

    • Disconnect the heat pump before insulation testing the house wiring. • If the building is equipped with an earth-fault breaker, F1255PC BE should be equipped with a separate one. FD1-SF2 F1255 • If a miniature circuit breaker is used this should have at least motor characteristic “C”.
  • Page 21 Angle out the cover and remove it. Removing the cover, base board Caution To remove the cover for the base board, the cover for the input circuit board must first be removed. NIBE F1255PC BE Chapter 5 | Electrical connections...

  • Page 22: Connections

    If you wish to connect external operating voltage for the option on the supply cable. Minimum cable area must control system to F1255PC BE on the immersion heater be sized according to the fuse rating used. Enclosed circuit board (AA1) the edge connector at AA1:X2 must cable for incoming supply electricity is connected to be moved toAA1:X9 (as illustrated).
  • Page 23 Install the outdoor temperature sensor (BT1) in the ature in F1255PC BE's display, the sensor must be in- shade on a wall facing north or north-west, so it is unaf- stalled. Connect the room sensor to X6:3 and X6:4 on fected by the morning sun for example.

  • Page 24: Settings

    AA1-X3 AA1-SF2 AA1-X7 The image shows the dip-switch (AA1-SF2) in the factory setting, that is 3.5 kW for F1255PC BE. EMERGENCY MODE Emergency mode thermostat The supply temperature in emergency mode is set using When the heat pump is set to emergency mode (SF1 a thermostat (FD1-BT30).

  • Page 25: Optional Connections

    (energy per pulse) in menu 5.3.21. unit. The multi-core cable between the enclosure and F1255PC BE must have a cable area of at least 0.5 mm². NIBE F1255PC BE Chapter 5 | Electrical connections...
  • Page 26 POSSIBLE SELECTION FOR AUX INPUTS Temperature sensor Temperature sensor can be connected to F1255PC BE. Use a 2-core cable of at least 0.5 mm² cable area. Available options are: Chapter 5 | Electrical connections...
  • Page 27 NO or NC. This accessory may require a software up- • level (accessory NV10)/, pressure/flow monitor for the date in your F1255PC BE. The version can brine (NC). be checked in the “Service info” menu 3.1.
  • Page 28 • Indication of buzzer alarm. An external switch function can be connected to • Controlling ground water pump. F1255PC BE for blocking various functions. The switch • Cooling mode indication. must be potential-free and a closed switch results in blocking.

  • Page 29: Connecting Accessories

    See information at nibe.eu for the list of the accessories instructions in the manual for the accessory that you that can be used with F1255PC BE. are going to install. ACCESSORIES WITH CIRCUIT BOARD AA5 AA3-X4 Accessories that contain circuit board AA5 are connected AA3-X4 to the heat pump terminal block AA3-X4: 13-15.

  • Page 30: Commissioning And Adjusting

    FILLING THE HOT WATER HEATER NOTE Open a hot water tap in the house. Do not start F1255PC BE if there is a risk that the water in the system has frozen. Fill the hot water heater through the cold water connection (XL3).

  • Page 31: Start Guide

    (operation, menus etc.). If the building is cooled when F1255PC BE starts, the compressor may not be able to meet the entire demand Closes without having to use additional heating.

  • Page 32: Post Adjustment And Venting

    Brine side The brine pump must run at the correct speed for the correct flow in the brine system. F1255PC BE has a brine pump that can be automatically controlled in If the start guide is left on this page it closes standard mode.
  • Page 33 Tillgängligt tryck värmedrift, kPa done by closing the valve on the outgoing main line P Eleffekt, W F1255PC BE has a heating medium that is automatically when the brine pump (GP2) is in operation and the level Tillgängligt tryck kyldrift, kPa P40% controlled.

  • Page 34: Setting The Cooling/Heating Curve

    Curve 0 is an own curve created in menu 1.9.7. drops/increases. A steeper slope means a higher supply temperature for heating or a lower supply temperature for cooling at a certain outdoor temperature. Chapter 6 | Commissioning and adjusting NIBE F1255PC BE...
  • Page 35 If it is warm outdoors and the room temperat- ure is too high, lower the curve offset by one increment. NIBE F1255PC BE Chapter 6 | Commissioning and adjusting...

  • Page 36: Control - Introduction

    • confirm selections of sub menus/options/set val- ues/page in the start guide. BACK BUTTON The back button is used to: • go back to the previous menu. • change a setting that has not been confirmed. Chapter 7 | Control - Introduction NIBE F1255PC BE...

  • Page 37: Menu System

    4.7. Setting and scheduling hot water production. See inform- ation in the help menu or user manual. This symbol indicates whether F1255PC BE has contact with NIBE Uplink. MENU 3 - INFO This symbol indicates the actual speed of the...
  • Page 38 Back button. 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 F1255PC BE...
  • Page 39 (at the page number) has been marked. Press the OK button to skip between the steps in the start guide. If the start guide is left on this page it closes automatically in 60 min NIBE F1255PC BE Chapter 7 | Control - Introduction...

  • Page 40: Control - Menus

    2.9.2 - hot water recirc. Menu 3 - INFO 3 - INFO 3.1 - service info 3.2 - compressor info 3.3 - add. heat info 3.4 - alarm log 3.5 - indoor temp. log Chapter 8 | Control - Menus NIBE F1255PC BE...

  • Page 41: Menu 4 - Heat Pump

    Menu 4 - HEAT PUMP 4 - HEAT PUMP 4.1 - plus functions 4.1.1 - pool * 4.1.3 - internet 4.1.3.1 - NIBE Uplink 4.1.3.8 - tcp/ip settings 4.1.3.9 - proxy settings 4.1.4 - sms * 4.1.5 - SG Ready 4.1.6 - smart price adaption™...

  • Page 42: Menu 5 - Service

    Setting software controlled in and out- puts on the input circuit board (AA3). factory setting service Total reset of all settings (includ- ing settings available to the user ) to default values. Chapter 8 | Control - Menus NIBE F1255PC BE...
  • Page 43 If “addition” is selected and activated in menu 4.2 and the current supply temperature exceeds the calculated temperature by the set value, the additional heat is forced to stop. NIBE F1255PC BE Chapter 8 | Control - Menus...
  • Page 44 The circulation pump continues to run while the compressor stops. Setting range: intermittent, continuous, 10 days continuous Default value: intermittent Set the operating mode of the brine pump here. Chapter 8 | Control - Menus NIBE F1255PC BE...
  • Page 45 Default values: 70 % NOTE Set the speed at which the heating medium pump is to This menu is intended for testing F1255PC BE operate in the present operating mode. Select "auto" if according to different standards. the speed of the heating medium pump is to be regu- Use of this menu for other reasons may result lated automatically (factory setting) for optimal operation.
  • Page 46 Set how many months should pass before the heat pump informs that it is time to clean the filter in the exhaust air module. Chapter 8 | Control - Menus NIBE F1255PC BE...
  • Page 47 The shunt valve is regulated as long as heat is available, lation pump is controlled manually. otherwise the shunt valve is closed. See the accessory installation instructions for function See the accessory installation instructions for function description. description. NIBE F1255PC BE Chapter 8 | Control - Menus...
  • Page 48 (BT53) and the temperature of the brine entering the heat pump (BT10) is lower than this setting, the function is deactivated. See the accessory installation instructions for function description. Chapter 8 | Control - Menus NIBE F1255PC BE...
  • Page 49 MENU 5.3.6 - STEP CONTROLLED ADD. HEAT activating the mixing valve: Activated if mixer valve is installed and it is to be controlled from F1255PC BE. When the option is active, you can set the outgoing hot start diff additional heat water temperature, shunt amplification and shunt wait- Setting range: 0 –...
  • Page 50 RH in the room, syst. pulses per kWh: Here you set the number of pulses per Setting range: on/off kWh that are sent to F1255PC BE. Factory setting: off Flow sensor (Energy measurement kit EMK) prevent condensation, syst.
  • Page 51 0 days. Mark the active window to activate the underfloor drying function. A counter at the bottom shows the number of days the function has been active. The function counts NIBE F1255PC BE Chapter 8 | Control - Menus...

  • Page 52: Service

    EMERGENCY MODE NOTE The switch (SF1) must not be moved to "" or " " until F1255PC BE has been filled with water. Component parts in the product can be damaged. Emergency mode is used in event of operational inter- ference and in conjunction with service.
  • Page 53 (XL2). START When the heating medium side is empty, the required service can be carried out. Turn off F1255PC BE by setting the switch (SF1) to " ". Draining the entire climate system Remove the front cover...
  • Page 54 It is usually easier to start the circulation pump with TEMPERATURE SENSOR DATA F1255PC BE running, and with the switch (SF1) set to Temperature (°C) Resistance (kOhm) Voltage (VDC) "". If the circulation pump is helped to start while F1255PC BE is running, be prepared for the screwdriver 351.0...
  • Page 55 Carefully pull out the cooling module. Disconnect the pipe connection at the shut-off valve (QM31). Remove the two screws. Remove the connection from the base card (AA2) using a screwdriver. The cooling module is installed in reverse order. NIBE F1255PC BE Chapter 9 | Service...
  • Page 56 F1255 start updating choose another file QM34 QM32 This allows you to update the software in F1255PC BE. USB SERVICE OUTLET NOTE For the following functions to work the USB memory must contain files with software for F1255PC BE from NIBE.
  • Page 57 Here you can choose how current measurement values file with the OK button you will return to the previous from F1255PC BE should be saved onto a log file on the page (menu 7.1) where you can choose to start the up- USB memory.
  • Page 58 Here you can manage (save as or retrieve from) all the menu settings (user and service menus) in F1255PC BE with a USB memory. Via "save settings" you save the menu settings to the USB memory in order to restore them later or to copy the settings to another F1255PC BE.

  • Page 59: Disturbances In Comfort

    • Group and main fuses of the accommodation. In the event of an alarm with a red status lamp a mal- • Miniature circuit breaker for F1255PC BE (FC1). function has occurred that the heat pump cannot remedy itself. In the display, by turning the control knob and •...
  • Page 60 If the room temperature is only high function active. in cold weather the curve slope in menu 1.9.1 – If the hot water usage has been low, F1255PC BE "heating curve" needs adjusting down. will produce less hot water than normal. Restart the product.
  • Page 61 – Adjust the flow distribution between the radiators. GURGLING SOUND This part of the troubleshooting chapter only applies if the NIBE FLM accessory is installed. • Not enough water in the water seal. – Refill the water seal with water.

  • Page 62: Accessories

    SMS 40 to control F1255PC BE via SMS. The accessory HPAC 40 is a climate exchange module that Part no 067 073 is to be included in a system with F1255PC BE. Part no. 067 076 EXHAUST AIR MODULE NIBE FLM...
  • Page 63 FREE COOLING PCS 44 SOLAR PACKAGE NIBE PV Solar panel package with extremely long service-life to pro- This accessory is used when F1255PC BE is installed in an duce your own electricity. installation with passive cooling. 3 kW 6 kW...

  • Page 64: 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 F1255PC BE...

  • Page 65: Technical Specifications

    Pipe connections Brine ext diam. CU pipe Heating medium ext diam. CU pipes Hot water connection external diam Cold water connection external diam Water heater Volume water heater approx. 180 NIBE F1255PC BE Chapter 12 | Technical data...
  • Page 66 Scale for the system’s efficiency class room heating: A+++ – G. Reported efficiency for the system takes the product’s temperature regu- lator into account. Scale for efficiency class hot water: A – G. With feet removed the height is approx. 1930 mm for F1255PC BE. WORKING RANGE HEAT PUMP, Caution...
  • Page 67 Supply temperature, heating medium 35 °°C Framledningstemp. Värmebärare 35 °C för F1155-1255 -6 kW. F1255PC BE Avgiven kyleffekt Specified cooling output, kW 100% °C Köldbärare in, temperatur Incoming brine temp, °C NIBE F1255PC BE Chapter 12 | Technical data...

  • Page 68: Energy Labelling

    Seasonal space heating energy efficiency, cold climate 211 / 157 Water heating energy efficiency, cold climate Seasonal space heating energy efficiency, warm cli- 201 / 151 mate Water heating energy efficiency, warm climate Sound power level L outdoors Chapter 12 | Technical data NIBE F1255PC BE...
  • Page 69 The reported efficiency of the package also takes the controller into account. If an external supplementary boiler or solar heating is added to the package, the overall efficiency of the package should be recalculated. NIBE F1255PC BE Chapter 12 | Technical data...
  • Page 70 Daily energy consumption 7.48 Daily fuel consumption elec fuel Annual energy consumption 1,642 Annual fuel consumption Contact information NIBE Energy Systems – Box 14 – Hannabadsvägen 5 – 285 21 Markaryd – Sweden Chapter 12 | Technical data NIBE F1255PC BE...

  • Page 71: Item Register

    Removing the cover, base board, 21 Supplied components, 8 Removing the cover, immersion heater circuit Transport, 7 board, 21 Diagram, dimensioning compressor speed, 67 Removing the hatch, input circuit board, 21 Diagram, passive cooling output, 66 Room sensor, 23 NIBE F1255PC BE Item register...
  • Page 72 Scroll through the windows, 39 Serial number, 4 Selecting menu, 38 Symbols, 4 Selecting options, 38 Symbols on F1255PC BE, 4 Setting a value, 38 Scroll through the windows, 39 Use the virtual keyboard, 39 Selecting menu, 38 Miniature circuit-breaker, 20...
  • Page 73 Status lamp, 36 Supplied components, 8 Switch, 36 Symbol key, 14, 31 Symbols, 4 Symbols on F1255PC BE, 4 System diagram, 15 Technical data, 64 Dimensions and setting-out coordinates, 64 Energy labelling, 68 Data for energy efficiency of the system, 69...

  • Page 75: Contact Information

    Tel: +46 (0)433-27 3000 kuzmin@evan.ru info@nibe.se nibe-evan.ru nibe.se SWITZERLAND NIBE Wärmetechnik c/o ait Schweiz Industriepark, CH-6246 Altishofen Tel. +41 (0)58 252 21 00 info@nibe.ch nibe.ch For countries not mentioned in this list, contact NIBE Sweden or check nibe.eu for more information.
  • Page 76 WS version: a1 (working edition) Publish date: 2018-09-14 10:07 This manual is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on the available information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any factual or printing errors in this manual.

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