Nibe f750 Installer Manual
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Nibe f750 Installer Manual

Exhaust air heat pump
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Installer manual
NIBE™ F750
Exhaust air heat pump
IHB GB 1301-1
231236

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Summary of Contents for Nibe f750

  • Page 1 Installer manual NIBE™ F750 Exhaust air heat pump IHB GB 1301-1 231236...
  • Page 2 A detailed explanation of the button functions can be found on page 34. How to scroll through menus and make different settings is described on page 36. 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

    Ventilation flow Troubleshooting Adjusting ventilation 11 Accessories 5 Electrical connections 12 Technical data General Dimensions and setting-out coordinates Connections Technical specifications Settings Electrical circuit diagram Optional connections Connecting accessories Item register 6 Commissioning and adjusting NIBE™ F750 Table of Contents |...

  • Page 4: Important Information

    Marking F750 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 (menu 3.1). Caution Always give the product's serial number (14 di- gits) when reporting a fault. Country specific information Installer manual This installer manual must be left with the customer. NIBE™ F750 Chapter 1 | Important information...

  • Page 6: Inspection Of The Installation

    Setting heating medium flow Boiler pressure Hot water Mixing valve Electricity (page 21) Fuses heat pump Fuses property Outside sensor Room sensor Current sensor (does not apply to enamel) Safety breaker Earth circuit-breaker Chapter 1 | Important information NIBE™ F750...

  • Page 7: Contact Information

    AIT France, 10 rue des Moines, 67000 Haguenau Tel : 03 88 06 24 10 Fax : 03 88 06 90 15 NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QG Tel: 0845 095 1200 Fax: 0845 095 1201 NIBE Energietechniek B.V., Postbus 2, NL-4797 ZG WILLEMSTAD (NB)

  • Page 8: Delivery And Handling

    Assembly F750 should be transported and stored vertically in a dry Position F750 on a firm base that can take the weight, place. The F750 may, however, be carefully laid on its preferably on a concrete floor or foundation. Use the back when being moved into a building.

  • Page 9: Supplied Components

    50 mm free space is required in order to open the side hatches. The hatches do not need to be opened during service, all service on F750 can be carried out from the front. Leave space between the heat pump and wall be-...

  • Page 10: Removing The Covers

    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™ F750...
  • Page 11 2. Grip the handle and pull the insulation carefully to- wards you as illustrated. Remove the hatch for the immersion heater card so that it is easier to remove the insulation (see page 22). NIBE™ F750 Chapter 2 | Delivery and handling...

  • Page 12: The Heat Pump Design

    3 The heat pump design F750, copper Chapter 3 | The heat pump design NIBE™ F750...
  • Page 13 F750, enamel NIBE™ F750 Chapter 3 | The heat pump design...
  • Page 14 F750, stainless steel Chapter 3 | The heat pump design NIBE™ F750...

  • Page 15: Pipe Connections

    EMC-filter QN 10 Shuttle valve, climate system/water heater SF 1 Switch QN 27 Reversing valve, circulation climate system W130 Network cable for NIBE Uplink RM 1 Non-return valve X101 Terminal fuse, inverter WM 1 Tundish WM 2 Overflow water discharge...
  • Page 16 Only heat pump with enamelled vessel. Designations in component locations according to standard IEC 81346-1 and 81346-2. Chapter 3 | The heat pump design NIBE™ F750...

  • Page 17: Pipe And Ventilation Connections

    4 Pipe and ventilation connections System diagram General pipe connections F750 consists of a heat pump, water heater, buffer vessel, Pipe installation must be carried out in accordance with immersion heater, fan, circulation pump and control sys- current norms and directives.

  • Page 18: Dimensions And Pipe Connections

    XL2 Heating medium, return line Ø int. XL3 Cold water Ø int. XL4 Hot water Ø int. XL8 Docking connection, flow line Ø int. XL9 Docking connection, return line Ø int. Chapter 4 | Pipe and ventilation connections NIBE™ F750...

  • Page 19: Symbol Key

    When connecting to a system with thermostats on all radiators/underfloor heating coils, a relief valve must be fitted, or a thermostat must be removed to ensure suffi- cient flow. A filter must be installed on the return line. NIBE™ F750 Chapter 4 | Pipe and ventilation connections...

  • Page 20: Installation Alternative

    NIBE VPB 200 type heater or VPBS 300 (prepared for Blandningsventil solar docking) are used. The docking kit accessory is needed. VPB 200 is best placed to the left of F750. VPBS 300 requires pipe routing behind the apparatus, which Two or more climate systems requires 60 mm free space to the wall.
  • Page 21 The HWC return can be connected to XL5 or a freestanding water heater. If an electric water heater is connected after the heat pump, the VVC return must be connected to the water heater. NIBE™ F750 Chapter 4 | Pipe and ventilation connections...

  • Page 22: General Ventilation Connection

    (PE30) over its entire length. Ensure that the condensation insulation is sealed at any joints and/or at lead in nipples, Connect F750 so that all exhaust air except exhaust air silencers, roof cowls or similar. Provision must be made duct air (kitchen fan) passes the evaporator (EP1) in the for inspection and cleaning of the duct.

  • Page 23: Electrical Connections

    F750 is not reconnectable between 3x230V and 3x400V. If the building is equipped with an earth-fault breaker, F750 should be equipped with a separate one. If a miniature circuit breaker is used it should have at least motor characteristic “C”. See page 64 for fuse size.
  • Page 24 Removing the cover, immersion heater circuit Cable lock board 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). Chapter 5 | Electrical connections NIBE™ F750...

  • Page 25: Connections

    Only applies to power connection of 3x400V. Power connection NOTE F750 must be installed via an isolator switch with a min- Mark up any junction boxes with warnings for imum breaking gap of 3mm. Minimum cable area must external voltage.

  • Page 26: Room Sensor

    Room sensor Install the outside temperature sensor (BT1) in the shade F750 is delivered with a room sensor supplied (BT50). on a wall facing north or north-west, so it is unaffected The room temperature sensor has up to three functions: by the morning sun.

  • Page 27: Settings

    4.3 A on all phases, depending on operation. If the current sensors are connected, the heat pump monitors the phase currents and allocates the electrical steps automatically to the least loaded phase. NIBE™ F750 Chapter 5 | Electrical connections...

  • Page 28: Emergency Mode

    Switch (SF1) must not be moved to " " or " " The image shows the dip-switch (AA1-S2) in the factory until F750 has been filled with water. Otherwise setting, that is 4 kW. the temperature limiter, thermostat and the im- mersion heater can be damaged.

  • Page 29: Optional Connections

    0.5 mm2 from the enclosure to the heat If an external switch function or sensor is connec- pump. ted to F750, the function to use input or output Connect the cable to the input card (AA3) on terminal must be selected in menu 5.4, see page 54.

  • Page 30: Possible Selection For Aux Inputs

    Contact for activation of “external adjustment" The example above uses the inputs AUX1 (X6:9-10) andAUX2 (X6:11-12) on the input circuit board (AA3). An external contact function can be connected to F750 to change the supply temperature and the room temper- Caution ature.

  • Page 31: Connecting Accessories

    Instructions for connecting accessories are provided in the manual accompanying the accessory. See page 62 for the list of the accessories that can be used with F750. The picture shows the relay in the alarm position. When switch (SF1) is in the " " or “ ” position the relay is in the alarm position.

  • Page 32: Commissioning And Adjusting

    (QM31) is open. 2. Open the vent valves (QM20), (QM22), (QM23) and (QM24). 3. For F750, enamel or stainless steel: Connect the flexi hose supplied between (QM11) and connection (QM13). Adjust the hose if this has not been done. 4. For F750, copper: Open the filling valve ( (QM11)).

  • Page 33: Start-Up And Inspection

    As long as the start guide is active, no function in the heat pump will start automatically. The guide will appear at each heat pump restart until it is deselected on the last page. Operation in the start guide NIBE™ F750 Chapter 6 | Commissioning and adjusting...

  • Page 34: Setting The Pump Speed

    Heating medium pump (GP1) can adjust the total capacity for heating medium pump 2 (GP6) dependent on the operation, which explains the large working range for each curve in the above diagram. Chapter 6 | Commissioning and adjusting NIBE™ F750...
  • Page 35 (kPa) require additional venting. Vent the heat pump through venting valve (QM20), (QM22), (QM23), (QM24). When venting, F750 must be off. 0,05 0,10 0,15 0,20 0,25 0,30 0,35 0,40 0,45 0,50 Flöde (l/s)

  • Page 36: 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™ F750...

  • Page 37: Menu System

    3.1 that you should note. These two symbols indicate whether the compressor or addition is blocked in F750. 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...

  • Page 38: 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™ F750...
  • Page 39 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™ F750 Chapter 7 | Control - Introduction...

  • Page 40: Control - Menus

    To change the room temperature, use the control knob to set the desired temperature in the display. Confirm the new setting by pressing the OK button. The new Chapter 8 | Control - Menus NIBE™ F750...
  • Page 41 (°C) is set during the time period. Without an activated room sensor the desired change is set (of setting in menu 1.1). A one degree change in room temperature requires one increment for underfloor NIBE™ F750 Chapter 8 | Control - Menus...
  • Page 42 The task of the heating curve is to give an even indoor temperature, regardless of the outdoor temperature, and thereby energy efficient operation. It is from this heating curve that the heat Chapter 8 | Control - Menus NIBE™ F750...
  • Page 43 4. Select a new heating curve. The heat curves are - 10 - 20 - 30 - 40°C UTETEMPERATUR numbered from 0 to 15, the greater the number, the steeper the slope and the greater the supply temper- NIBE™ F750 Chapter 8 | Control - Menus...
  • Page 44 Set the minimum temperature on the supply temperature 2. Press the OK button. to the climate system. This means that F750 never calcu- 3. Follow the grey line up to the heat curve and out to lates a temperature lower than that set here.
  • Page 45 Default value: 6 °C Activate night cooling here. When the temperature in the house is high and the out- door temperature is lower, a cooling effect can be ob- tained by forcing the ventilation. NIBE™ F750 Chapter 8 | Control - Menus...

  • Page 46: Menu 2 - Hot Water

    OK button. The re- maining time for the selected setting is shown to the right. When the time has run out F750 returns to the mode set in menu 2.2. Select “off" to switch off...
  • Page 47 The length of time between increases can be selected here. The time can be set between 1 and 90 days. Factory setting is 14 days. Untick "activated" to switch off the function. NIBE™ F750 Chapter 8 | Control - Menus...

  • Page 48: Menu 3 - Info

    Information about the additional heat settings, operating status and statistics can be obtained here. No changes can be made. The information is on several pages. Turn the control knob to scroll between the pages. Chapter 8 | Control - Menus NIBE™ F750...

  • Page 49: Menu 4 - Heat Pump

    Request new connection string time & date Setting current time and date. To connect a user account on NIBE Uplink™ to your in- language Select the language for the display here. The stallation, you must request a unique connection string.
  • Page 50 5. Repeat 1 - 3 for "port", "user name" and "pass- After disconnecting all users none of them can word". monitor or control your installation via NIBE Up- link™ without requesting a new connection 6. Mark “confirm" and press the OK button.
  • Page 51 You can select what icon should be visible when the door Caution to F750 is closed. You can select up to 3 icons. If you se- If the exhaust air temperature falls below 16 °C, lect more, the ones you selected first will disappear. The the compressor is blocked and the electrical ad- icons are displayed in the order you selected them.
  • Page 52 Default value: 50 "all" is used, all days in the period are set for these times. Time period: The start and stop time for the selected day for scheduling are selected here. Chapter 8 | Control - Menus NIBE™ F750...
  • Page 53 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™ F750 Chapter 8 | Control - Menus...

  • Page 54: Menu 5 - Service

    Incorrect settings in the service menus can Default values: 55 °C damage the heat pump. Here you set the start and stop temperature of the hot water for the different comfort options in menu 2.2 as Chapter 8 | Control - Menus NIBE™ F750...
  • Page 55 Here you set the max. electrical output of the internal compressor respectively add. heat mode. electrical addition in F750 and the fuse size for the install- ation. max diff compressor When the current supply temperature deviates from the Menu 5.1.14 - flow set.
  • Page 56 Also new parametrisation of the inverter can be done months btwn filter alarms here. Here you set the number of months between alarms for a reminder to clean the filter in F750. NOTE fan synch. operation When resetting, the start guide is displayed the next time the heat pump is restarted.
  • 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™ F750 Chapter 8 | Control - Menus...

  • Page 58: Service

    Servicing should only be carried out by persons with the necessary expertise. NOTE When replacing components on F750 only re- The heat pump should not, after draining, be placement parts from NIBE may be used. exposed to risk of freezing because a certain of water remains in the coil.
  • Page 59 Helping the circulation pump to start (GP1) Temperature sensor data 1. Shut off F750 by setting the switch (SF1) to " ". Temperature Resistance Voltage (VDC) (°C) (kOhm) 2. Open the service cover. 3. Loosen the venting screw (QM5) with a screwdriver.
  • Page 60 F750 from NIBE. The fact box at the top of the display shows information F750 is equipped with a USB socket in the display unit. (always in English) of the most probable update that the This USB socket can be used to connect a USB memory update software has selected form the USB memory.
  • Page 61 1. Set the desired interval between loggings. 2. Tick “activated". 3. Mark “read log settings" and press the OK button. 4. The present values from F750 are saved in a file in the USB memory at the set interval until “activated" is unticked.

  • Page 62: Disturbances In Comfort

    In this case the immersion heater produces heat set the thermostats. and/or hot water. Heat pump in incorrect operating mode. Chapter 10 | Disturbances in comfort NIBE™ F750...
  • Page 63 1.9.1 (heating curve) needs to be adjusted down. External switch for changing the room heating activ- ated. Check any external switches. Low system pressure Not enough water in the heating system. NIBE™ F750 Chapter 10 | Disturbances in comfort...

  • Page 64: Accessories

    Docking kit DEW 40 SCA 40 There are separate docking kits available for connecting water heater VPB 200 to the heat pump. SCA 40 means that F750 can be connected to solar heating. Part no. 067 163 Part no. 067 137...

  • Page 65: Technical Data

    12 Technical data Dimensions and setting-out coordinates Ø125 Ø125 NIBE™ F750 Chapter 12 | Technical data...

  • Page 66: Technical Specifications

    40-55 W(A) Sound pressure levels Sound pressure level in the boiler dB(A) 36-51 house (L P(A) Pipe connections Heating medium ext Ø Hot water ext Ø Cold water ext Ø Ventilation Ø Chapter 12 | Technical data NIBE™ F750...
  • Page 67 The value can vary with the room’s damping capacity. These values apply with a damping of 4 dB. A20(12) exhaust air flow 150 m /h (42 l/s) NIBE™ F750 Chapter 12 | Technical data...

  • Page 68: Electrical Circuit Diagram

    Electrical circuit diagram Chapter 12 | Technical data NIBE™ F750...
  • Page 69 NIBE™ F750 Chapter 12 | Technical data...
  • Page 70 Chapter 12 | Technical data NIBE™ F750...
  • Page 71 NIBE™ F750 Chapter 12 | Technical data...
  • Page 72 Chapter 12 | Technical data NIBE™ F750...
  • Page 73 NIBE™ F750 Chapter 12 | Technical data...

  • Page 74: Item Register

    External connection options, 27 General, 21 Load monitor, 27 Cable lock, 22 Miniature circuit-breaker, 21 Cold and hot water, 17 NIBE Uplink™, 27 Commissioning and adjusting, 30 Optional connections, 27 Filling and venting, 30 Outdoor sensor, 24 Preparations, 30 Power connection, 23...
  • Page 75 Start-up and inspection, 31 Miniature circuit-breaker, 21 Commissioning without fan , 32 Setting the pump speed, 32 Setting the ventilation, 32 NIBE Uplink™, 27 Status lamp, 34 Supplied components, 7 Switch, 34 OK button, 34 Switch for external blocking of addition and/or compressor, 28...
  • Page 76 Chapter 13 | NIBE™ F750...
  • Page 77 NIBE™ F750 Chapter 13 |...
  • Page 78 Chapter 13 | NIBE™ F750...
  • Page 80 231236...

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