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IHB EN 1835-2 INSTALLER MANUAL 431822 Exhaust air heat pump NIBE F750...
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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...
Read the Installer Manual. overflow pipe must be visible and its outlet must be open. F750 must be installed with a disconnection option on the supply cable. Minimum cable area must be sized according to the fuse rating used. Electrical installation and wiring must be carried out in accordance with applic- able regulations.
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 1774. Do not release R407C into the atmosphere. NIBE F750 Chapter 1 | Important information...
Pressure in the climate system Hot water (page Mixing valve Safety valve Electricity (page Connections Main voltage Phase voltage Fuses heat pump Fuses property Outside sensor Room sensor Current sensor Safety breaker Earth circuit-breaker Chapter 1 | Important information NIBE F750...
20-55 mm 30 - 50 mm • Because water comes from F750, it is good if the area where the heating pump is located is provided with floor drainage. • Install with its back to an outside wall, ideally in a room where noise does not matter, in order to eliminate noise problems.
Supplied components Leave a free space of 800 mm in front of the product. Leave free space between F750 and wall/other ma- chinery/fittings/cables/pipes etc. It is recommended that a space of at least 10 mm is left to reduce the risk of noise and of any vibrations being propagated.
Remove the screws from the upper and lower edges. Twist the cover slightly outward. Move the hatch backwards and slightly to the side. Pull the cover to one side. Pull the hatch forwards. NIBE F750 Chapter 2 | Delivery and handling...
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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 24). Chapter 2 | Delivery and handling NIBE F750...
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Temperature limiter Safety valve, water heater EMC card Safety valve, climate system Switch Mixer valve, hot water W130 Network cable for NIBE Uplink Circulation pump Heating medium pump2 MISCELLANEOUS QM10 Filler valve, hot water heater QM11 Filler valve, climate system...
Exhaust air fan HQ10 Exhaust air filter Filter cover, exhaust air Not visible in the image Only F750 copper. Only F750 stainless steel. Designations in component locations according to standard IEC 81346- Chapter 3 | The heat pump design NIBE F750...
Caution Ensure that incoming water is clean. When using a private well, it may be necessary to supplement with an extra water filter. NIBE F750 Chapter 4 | Pipe and ventilation connections...
SYSTEM DIAGRAM Dimensions and pipe F750 consists of a heat pump, water heater, buffer vessel, immersion heater, fan, circulation pump and connections control system.F750 is connected to the ventilation system and heating medium circuits. When the exhaust air at room temperature passes...
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Connection XL1-XL2 Heating medium ext Ø (mm) XL3 Cold water ext Ø (mm) XL4 Hot water ext Ø (mm) XL5 Hot water circulation ext. Ø (mm) WM2 Overflow water discharge (mm) NIBE F750 Chapter 4 | Pipe and ventilation connections...
CONNECTING THE CLIMATE SYSTEM Symbol Meaning A climate system is a system that regulates indoor Shut-off valve comfort with the help of the control system in F750 and Non-return valve for example radiators, under floor heating/cooling, fan coils etc. Mixing valve •...
F750. heater is best positioned to the left of F750. SEPARATED/ONE UNIT F750 is delivered as one unit and can be installed as one unit or separated. For separate installation the accessory DKI 10 is required. The images in this manual show F750 installed as one unit.
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In buildings with several climate systems that require different supply temperatures, the accessory ECS 40/ECS 41 can be connected. A shunt valve then lowers the temperature to the underfloor heating sys- tem, for example. Chapter 4 | Pipe and ventilation connections NIBE F750...
• Make sure that there are no reductions of cross-sec- Connect F750 so that all the exhaust air, except kitchen tional area in the form of creases, tight bends, etc., duct air (kitchen fan), passes through the evaporator since this will reduce the ventilation capacity.
• F750 is not switchable between 3x230V and 3x400V. service representative or similar authorised person may replace it to prevent any danger • F750 should be equipped with a separate RCD (30 and damage. mA). • If a miniature circuit breaker is used, this should have NOTE at least motor characteristic “C”.
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Push the catch down. driver. Angle out the cover and remove it. Removing the cover, immersion heater board Insert the screwdriver (A) and pry the catch carefully downwards (B). Angle out the cover and remove it. Chapter 5 | Electrical connections NIBE F750...
20 cm from high voltage cables. POWER CONNECTION F750 must be installed via an isolator switch with a minimum breaking gap of 3mm. Minimum cable area must be sized according to the fuse rating used. Sup- plied cable (length approx.
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AA1-X1 If you wish to connect external operating voltage for the control system to F750 on the immersion heater circuit TARIFF CONTROL board (AA1) the edge connector at AA1:X2 must be If the voltage to the immersion heater and/or the com- moved toAA1:X9 (as illustrated).
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OUTSIDE SENSOR ROOM SENSOR Install the outdoor temperature sensor (BT1) in the F750 is supplied with a room sensor enclosed (BT50). shade on a wall facing north or north-west, so it is unaf- The room sensor has a number of functions: fected by the morning sun for example.
The heat pump is fused to at least 16 A. If the current sensors are connected, the heat pump monitors the phase currents and allocates the electrical steps automatically to the least loaded phase. Chapter 5 | Electrical connections NIBE F750...
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The supply temperature in emergency mode is set using a thermostat (FQ10-BT30). It can be set to 35°C (pre- För markvärme! set, e.g. underfloor heating) or 45°C (e.g. radiators). 4.0* För frånluftsvärme! *Default value 3x230 V 5.0* *Default value NIBE F750 Chapter 5 | Electrical connections...
Activate the energy meter(s) in menu 5.2.4 and then set unit. The multi-core cable between the enclosure and the desired value (energy per pulse) in menu 5.3.21. F750 must have a cable area of at least 0.5 mm². Chapter 5 | Electrical connections NIBE F750...
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Some of the following functions can also be activated and scheduled via menu settings. POSSIBLE SELECTION FOR AUX INPUTS Temperature sensor Temperature sensor can be connected to F750. Use a 2-core cable of at least 0.5 mm² cable area. Available options are: • room sensor (RTS 40)
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• SG ready External blocking of functions Caution An external switch function can be connected to F750 This function can only be used in mains net- for blocking various functions. The switch must be po- works that support the "SG Ready" standard.
• control of external damper for anti-freeze Caution ACTIVATION This accessory may require a software up- date in your F750. The version can be • activation of away mode for smart home (complement checked in the “Service info” menu 3.1. to the functions in menu 4.1.7) Visit nibeuplink.com...
For F750, stainless steel: Open the filling valves (QM11),(QM13). The heating unit and the rest of the climate system fill with water. For F750, copper: Open the filler valve (QM11). The heating section and the rest of the climate system are filled with water.
(operation, menus etc.). F750 If the building is cooled when F750 starts, the com- pressor may not be able to meet the entire demand without having to use additional heating. Commissioning...
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To access the help text: Use the control knob to select the help symbol. 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 F750...
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Speed Operation mode Constant curve NOTE The circulation pumps in F750 interact. For this reason, select the operation mode constant curve. Compare heating planning with the available capacity for heating medium pump 2 and set the lowest possible pump speed.
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If gurgling sounds can be heard from the heat pump or climate system, the entire system requires additional venting. See section "Venting the climate system" on page 35 for information about vent- ing the heat pump. NIBE F750 Chapter 6 | Commissioning and adjusting...
• 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 F750...
HOT WATER Hot water temp. 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...
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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 F750...
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(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 F750 Chapter 7 | Control - Introduction...
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 F750...
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1. Caution Underfloor heating systems are normally flow line temperature set between 35 and 45 °C. Check the max floor temperature with your floor supplier. NIBE F750 Chapter 8 | Control - Menus...
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Factory setting 3x230 V: 7 kW fuse size The function is deactivated when you exit the menu. Setting range: 1 - 200 A Factory setting: 16 A transformation ratio Setting range: 300 - 3000 Factory setting: 300 Chapter 8 | Control - Menus NIBE F750...
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Setting range DOT: -40.0 – 20.0 °C Factory setting DOT: -18.0 °C NOTE own setting Blocking peak output in F750 can lead to re- Setting range dT at DOT: 0.0 – 25.0 duced savings. Factory setting dT at DOT: 10.0 Setting range DOT: -40.0 –...
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Mark “search installed acc." and press the OK button to automatically find connected accessories for F750. Setting range: energy per pulse / pulses per kWh / EMK150 / EMK300/310 /EMK500 MENU 5.3 - ACCESSORY SETTINGS...
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3 40 °C temp. period 4 45 C temp. period 5 40 °C temp. period 6 30 °C temp. period 7 20 °C Set the function for under floor drying here. NIBE F750 Chapter 8 | Control - Menus...
(AA1). See page 29 for instructions. When replacing components on F750 only re- DRAINING THE WATER HEATER placement parts from NIBE may be used. The water heater can be drained via the safety valve (FL1) or via the overflow cup (WM1).
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OK button you will return to the previous choose another file page (menu 7.1) where you can choose to start the up- date. This allows you to update the software in F750. Chapter 9 | Service NIBE F750...
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Via "save settings" you save the menu settings to the Here you can choose how current measurement values USB memory in order to restore them later or to copy from F750 should be saved onto a log file on the USB the settings to another F750. memory.
If a red light is still visible and a menu called “alarm” is visible in the display, the • Mixing valve (if there is one installed) set too low. Chapter 10 | Disturbances in comfort NIBE F750...
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• Filter (HQ10) blocked. • External switch for changing the room heating activ- – Clean or replace the filter. ated. • The ventilation is not adjusted. – Check any external switches. – Order/implement ventilation adjustment. NIBE F750 Chapter 10 | Disturbances in comfort...
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• Minimum time between compressor starts has not been reached. – Wait for at least 30 minutes and then check if the compressor has started. • Alarm tripped. – Follow the display instructions. Chapter 10 | Disturbances in comfort NIBE F750...
Part no. 089 777 DOCKING KIT DEW 40 SUPPLY AIR MODULE SAM DEW 40 is used to connect the water heater VPB 200 to F750. SAM is a supply air module specially developed for houses Part no. 067 102 with supply and exhaust air systems.
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60 mm from the rear wall. Requires docking kit. Part no. 056 283 Water heater without immersion heater with charge coil. Po- sitioned to the left of F750. Requires docking kit. VPB 200 VPB 300 Copper Part no. 088 515 Copper Part no.
12 Technical data Dimensions and setting-out coordinates F750 installed as one unit. Ø 125 Ø 125 Avoid routing pipes Extract air Exhaust air through the marked area NIBE F750 Chapter 12 | Technical data...
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F750 at separated installation. Ø 125 Ø125 Ø125 Ø 125 Avoid routing pipes Extract air Exhaust air through the marked area Chapter 12 | Technical data NIBE F750...
Scale for efficiency class hot water: A to G. The value varies with the selected fan curve. For more detailed sound data, including sound to channels, visit nibe.eu. The value can vary with the room’s damping capacity. These values apply at a damping of 4 dB.
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/h). The value varies depending on the choice of comfort mode (economy, normal and lux) A20(12) exhaust air flow 50 l/s (180 m /h). The value varies depending on the choice of comfort mode (economy, normal and lux) Chapter 12 | Technical data NIBE F750...
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Scale for efficiency class hot water: A to G. The value varies with the selected fan curve. For more detailed sound data, including sound to channels, visit nibe.eu. The value can vary with the room’s damping capacity. These values apply at a damping of 4 dB.
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/h). The value varies depending on the choice of comfort mode (economy, normal and lux) A20(12) exhaust air flow 50 l/s (180 m /h). The value varies depending on the choice of comfort mode (economy, normal and lux) Chapter 12 | Technical data NIBE F750...
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 F750 Chapter 12 | Technical data...
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Daily energy consumption 5.11 Daily fuel consumption elec fuel Annual energy consumption 1,123 Annual fuel consumption Contact information NIBE Energy Systems – Box 14 – Hannabadsvägen 5 – 285 21 Markaryd – Sweden Chapter 12 | Technical data NIBE F750...
General, 23 Connections, 25 Load monitor, 30 Control, 40, 44 Miniature circuit-breaker, 23 Control - Introduction, 40 NIBE Uplink, 31 Control - Menus, 44 Optional connections, 30 Control - Introduction, 40 Outdoor sensor, 27 Display unit, 40 Power connection, 25...
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Installation alternative Serial number, 5 Connecting hot water circulation, 20 Symbols, 4 Extra hot water heaters, 19 Symbols on F750, 4 Two or more climate systems, 20 Scroll through the windows, 43 Water heater with immersion heater, 19 Selecting menu, 42...
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Troubleshooting, 56 USB service outlet, 54 Use the virtual keyboard, 43 Venting the climate system, 35 NIBE F750 Item register...
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.
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WS version: a7 (working edition) Publish date: 2018-08-31 14:14 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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