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Nibe F370 Installer Manual

Exhaust air heat pump
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Installer manual
NIBE™ F370
Exhaust air heat pump
IHB GB 1034-1
031496

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Summary of Contents for Nibe F370

  • Page 1 Installer manual NIBE™ F370 Exhaust air heat pump IHB GB 1034-1 031496...
  • Page 2 A detailed explanation of the button functions can be found on page 38. How to scroll through menus and make different settings is described on page 40. 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

    Manage alarm Adjusting ventilation Troubleshooting 5 Electrical connections 11 Accessories 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 NIBE™ F370 Table of Contents |...

  • Page 4: Important Information

    F370 is CE marked and fulfils IP21. National gas regulations must be observed. The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relev- Maximum amount of refrigerant: See Technical specifica- ant EU directives.
  • Page 5 If an indirect refrigerant circuit is used, check whether the secondary circuit contains refrigerant. NIBE™ F370 Chapter 1 | Important information...
  • Page 6 Good practice prescribes that all refrigerant is col- of refrigerant). The containers must have the correctly lected safely. Before the work is carried out, samples of functioning relief valves and shut-off valves. Empty collec- Chapter 1 | Important information NIBE™ F370...
  • Page 7 Compressors must be drained before being returned to the supplier. Only electrical heating of the compressor housing may be used to quicken draining. Drain oil from the system in a safe manner. NIBE™ F370 Chapter 1 | Important information...
  • Page 8 Chapter 1 | Important information NIBE™ F370...
  • Page 9 System flushed System vented Circulation pump setting Setting heating medium flow Boiler pressure Electricity (page 20) Fuses heat pump Fuses property Outside sensor Room sensor Current sensor Safety breaker Earth circuit-breaker Miscellaneous Guarantee submitted NIBE™ F370 Chapter 1 | Important information...
  • Page 10 Tel: +43 (0)7662 8963-0 Fax: +43 (0)7662 8963-44 E-mail: mail@knv.at www.knv.at NIBE Wärmetechnik AG, Winterthurerstrasse 710, CH-8247 Flurlingen Tel: (52) 647 00 30 Fax: (52) 647 00 31 E-mail: info@nibe.ch www.nibe.ch Druzstevni zavody Drazice s.r.o, Drazice 69, CZ - 294 71 Benatky nad Jizerou Tel: +420 326 373 801 Fax: +420 326 373 803 E-mail: nibe@nibe.cz www.nibe.cz...

  • Page 11: Delivery And Handling

    The hatches do not need to be opened back when being moved into a building. The centre of during service, all service on F370 can be carried out from gravity is in the upper part. the front.

  • Page 12: Supplied Components

    1. Remove the air treatment hatch by pulling it straight out. 2. Remove the screws from the lower edge of the front cover. 3. Lift the cover out at the bottom edge and up. 4. Pull the hatch towards yourself. Chapter 2 | Delivery and handling NIBE™ F370...

  • Page 13: The Heat Pump Design

    3 The heat pump design F370, copper LE K NIBE™ F370 Chapter 3 | The heat pump design...
  • Page 14 F370, enamel LE K Chapter 3 | The heat pump design NIBE™ F370...
  • Page 15 F370, stainless steel LE K NIBE™ F370 Chapter 3 | The heat pump design...
  • Page 16 BT 50 Room temperature sensor* Electrical components AA 1 Immersion heater card AA 2 Base card AA 3 Input circuit board AA 4 Display unit AA4-XJ3 USB socket AA4-XJ4 Service socket Chapter 3 | The heat pump design NIBE™ F370...

  • Page 17: Pipe And Ventilation Connections

    4 Pipe and ventilation connections System diagram General pipe connections F370 consists of a heat pump, water heater, immersion Pipe installation must be carried out in accordance with heater, circulation pump and control system. F370 is current norms and directives.

  • Page 18: Dimensions And Pipe Connections

    Symbol Meaning Venting valve Shut-off valve Non-return valve Shunt / shuttle valve Safety valve Trim valve Temperature sensor Expansion vessel Pressure gauge Circulation pump Particle filter Compressor Heat exchanger Copper Enamel Chapter 4 | Pipe and ventilation connections NIBE™ F370...

  • Page 19: Cold And Hot Water

    (mm) WM1 Drip tray (mm) Pipe dimensions Connection Heating medium ext Ø (mm) Cold water ext Ø (mm) Hot water ext Ø (mm) Docking ext Ø (mm) Overflow water discharge (mm) NIBE™ F370 Chapter 4 | Pipe and ventilation connections...

  • Page 20: Installation Alternative

    Connecting hot water circulation Installation alternative To reduce the risk of bacterial growth in systems with F370 can be connected in several different ways, some hot water circulation, the temperature of the circulating of which are shown below. water should not fall below 50 °C. There should not be Further option information is available at www.nibe.eu...

  • Page 21: General Ventilation Connection

    General ventilation connection Ventilation flow Ventilation installation must be carried out in accordance Connect F370 so that all exhaust air except exhaust air with current norms and directives. duct air (kitchen fan) passes the evaporator (EP1) in the heat pump. The lowest ventilation flow according to To prevent fan noise being transferred to the exhaust air current standards is 0.35 l/s per m²...

  • Page 22: Electrical Connections

    F370 is not reconnectable between 3x230V and 3x400V. If the building is equipped with an earth-fault breaker, F370 should be equipped with a separate one. If a miniature circuit breaker is used it should have at least motor characteristic “C”. See page 66 for fuse size.
  • Page 23 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). NIBE™ F370 Chapter 5 | Electrical connections...

  • Page 24: Connections

    NOTE Only applies to power connection of 3x400V. Power connection F370 must be installed via an isolator switch with a min- NOTE imum breaking gap of 3mm. Minimum cable area must Mark up any junction boxes with warnings for be dimensioned according to the fuse rating used.
  • Page 25 Room sensor Install the outside temperature sensor (BT1) in the shade F370 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 1.

  • Page 26: Settings

    Switch (SF1) must not be moved to " " or " " Electrical addition - maximum output until F370 has been filled with water. Otherwise the temperature limiter, thermostat and the im- The immersion heater can be set to a maximum of 10.25 mersion heater can be damaged.

  • Page 27: Optional Connections

    Connect the cable to the input card (AA3) on terminal block X4:1-4 where X4:1 is the common terminal block for the three current sensors. The size of the property’s main fuse is set in menu 5.1.12. Inkommande el Elcentral Värmepump NIBE™ F370 Chapter 5 | Electrical connections...
  • Page 28 If an external switch function or sensor is connec- input selected in menu 5.4, see page 56. ted to F370, the function to use input or output must be selected in menu 5.4, see page 56. External blocking of addition and compressor can be combined.

  • Page 29: Connecting Accessories

    Indication of buzzer alarm. the manual accompanying the accessory. See page 64 Control of circulation pump for hot water circulation. for the list of the accessories that can be used with F370. External circulation pump, for example external pump and shunt group.

  • Page 30: Commissioning And Adjusting

    (FL2) starts to release water. Close the filler valve (QM11). 4. Open the safety valve (FL2) until the boiler pressure F370, stainless steel drops to the normal working range (approx. 1 bar) and check that there is no air in the system by turning the vent valve (QM20).

  • Page 31: Start-Up And Inspection

    See page 38 for a more in-depth introduction to the heat pump’s control system. The start guide will be described under the following points step-by-step. Information about the start guide for the heat pump is shown here. NIBE™ F370 Chapter 6 | Commissioning and adjusting...
  • Page 32 F370. Here you set the max. electrical output of the internal 8 Room sensor settings electrical addition in F370 and the fuse size for the install- ation. Here you can also check which current sensor is installed on which incoming phase to the property (this requires current sensors to be installed, see page 25).
  • Page 33 Setting range: 10 – 300 s consumption. Default values: 30 s Set the shunt amplification and shunt waiting time for the different extra climate systems that are installed. See the accessory installation instructions for function description. NIBE™ F370 Chapter 6 | Commissioning and adjusting...
  • Page 34 Default values: 20°C Set the minimum temperature on the supply temperature to the climate system. This means that F370 never calcu- lates a temperature lower than that set here. If there is more than one climate system the setting can be made separately for each system.
  • Page 35 45. Setting automatic heating controls with diagram The diagrams are based on the dimensioned outdoor temperature in the area and the dimensioned supply temperature of the climate system. When these two val- NIBE™ F370 Chapter 6 | Commissioning and adjusting...
  • Page 36 If you choose mode "add. heat only" the com- pressor is deselected and there is a higher oper- ating cost. In this operating mode the compressor is not active and only additional heating is used. Chapter 6 | Commissioning and adjusting NIBE™ F370...
  • Page 37 If you choose "yes" this means that the next time the heat pump is started (e.g. after a power cut) it will not produce heat or hot water for 60 minutes. 10% 20% Luftflöde (l/s) NIBE™ F370 Chapter 6 | Commissioning and adjusting...
  • Page 38 Then enter menu 4.2 op. mode and select add. heat only. F370, copper Go to menu 5.1.5 fan sp. exhaust air and reduce the fan speed to 0%.
  • Page 39 If gurgling sounds can be heard from the heat pump or climate system, the entire system will require additional venting. Vent the heat pump through venting valve (QM21). When venting, F370 must be off. NIBE™ F370 Chapter 6 |...

  • Page 40: 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™ F370...

  • Page 41: Menu System

    3.1 that you should note. These two symbols indicate whether the compressor or addition is blocked in F370. 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 42 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™ F370...
  • Page 43 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™ F370 Chapter 7 | Control - Introduction...

  • Page 44: Control - Menus

    One step for under floor heating whilst radiators may require three. Setting the desired value. The new value is shown on the right-hand side of the symbol in the display. Chapter 8 | Control - Menus NIBE™ F370...
  • Page 45 You can also schedule a longer period during a selected If you wish to set similar scheduling for every period (vacation) in menu 4.7. day of the week start by filling in “all” and then changing the desired days. NIBE™ F370 Chapter 8 | Control - Menus...
  • Page 46 The task of the heating curve is to give an even indoor temperature, regardless of the outdoor temperature, and thereby energy efficient Chapter 8 | Control - Menus NIBE™ F370...
  • Page 47 4. Select a new heating curve. The heat curves are numbered from 0 to 15, the greater the number, the - 10 - 20 - 30 - 40°C UTETEMPERATUR steeper the slope and the greater the supply temper- NIBE™ F370 Chapter 8 | Control - Menus...
  • Page 48 Set the minimum temperature on the supply temperature 2. Press the OK button. to the climate system. This means that F370 never calcu- 3. Follow the grey line up to the heat curve and out to lates a temperature lower than that set here.
  • Page 49 "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. NIBE™ F370 Chapter 8 | Control - Menus...

  • Page 50: Menu 2 - Hot Water

    (menu 4.7), otherwise it displays "off". setting. advanced Setting periodic increase in the hot water When the time has run out F370 returns to the mode set temperature. in menu 2.2. Select “off" to switch off temporary lux Menu 2.2 - comfort mode...
  • Page 51 "downtime" decide how long the hot water circulation If you wish to set similar scheduling for every pump must be stationary between operating instances. day of the week start by filling in “all” and then changing the desired days. NIBE™ F370 Chapter 8 | Control - Menus...

  • Page 52: Menu 3 - Info

    The information is on several pages. Turn the control knob to scroll between the pages. Menu 3.3 - add. heat info Information about the additional heat settings, operating status and statistics can be obtained here. No changes can be made. Chapter 8 | Control - Menus NIBE™ F370...

  • Page 53: Menu 4 - Heat Pump

    If you deselect "addition" it may mean that in- (crossed out = not permitted) and selectable alternatives sufficient hot water and/or heating in the accom- to the right. To select selectable functions that are permit- modation is achieved. NIBE™ F370 Chapter 8 | Control - Menus...
  • Page 54 You can select what icon should be visible when the door the compressor is blocked and the electrical ad- to F370 is closed. You can select up to 3 icons. If you se- dition is permitted to intervene. When the com- lect more, the ones you selected first will disappear.
  • Page 55 Caution 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. NIBE™ F370 Chapter 8 | Control - Menus...

  • Page 56: 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™ F370...
  • Page 57 Menu 5.1.2 - max flow line temperature Here you set the max. electrical output of the internal climate system electrical addition in F370 and the fuse size for the install- Setting range: 20-70 °C ation. Here you can also check which current sensor is installed Default value: 60 °C...
  • Page 58 Menu 5.6 - forced control Here you set the number of months between alarms for You can force control the different components in the a reminder to clean the filter in F370. heat pump here. Menu 5.2 - system settings Menu 5.7 - start guide...
  • Page 59 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™ F370 Chapter 8 | Control - Menus...

  • Page 60: Service

    Draining the climate system with the necessary expertise. In order to carry out service on the climate system, it may When replacing components on F370 only re- be easier to drain the system first. placement parts from NIBE may be used.
  • Page 61 Manual start help is only possible for F370 with 351.0 3.256 copper corrosion protection. 251.6 3.240 182.5 3.218 1. Shut off F370 by setting the switch (SF1) to " ". 133.8 3.189 2. Open the front cover. 99.22 3.150 3. Open the service hatch. 74.32 3.105...
  • Page 62 F370 from NIBE. F370 is equipped with a USB socket in the display unit. The fact box at the top of the display shows information This USB socket can be used to connect a USB memory...
  • Page 63 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 F370 are saved in a file in the USB memory at the set interval until “activated" is unticked.

  • Page 64: Disturbances In Comfort

    This curve offset of the heat curve. If the room temper- can mean that the heat pump's compressor is not run- ature is only low in cold weather the curve slope Chapter 10 | Disturbances in comfort NIBE™ F370...
  • Page 65 External switch for changing the fan speed activated. Check any external switches. High or distracting ventilation The ventilation is not adjusted. Order/implement ventilation adjustment. Fan speed in forced mode. Enter menu 1.2 and select “normal". NIBE™ F370 Chapter 10 | Disturbances in comfort...

  • Page 66: Accessories

    Docking kit gas DEH 41 Part no. 066 102 Extra shunt group ECS 40/ECS 41 This accessory is used when F370 is installed in houses with two or more different heating systems that require different supply temperatures, for example, in cases where the house has both a radiator system and an un- derfloor heating system.

  • Page 67: Technical Data

    12 Technical data Dimensions and setting-out coordinates Undvik rördragning inom markerat område NIBE™ F370 Chapter 12 | Technical data...

  • Page 68: Technical Specifications

    Refrigerant (R290, propane) (kg) Connection heating medium male Ø (mm) Connection cold water ext Ø (mm) Connection hot water ext Ø (mm) Connection docking ext Ø (mm) Part No. 066 040 066 043 066 045 Chapter 12 | Technical data NIBE™ F370...
  • Page 69 (MPa/bar) 0.15/1.5 Refrigerant (R290, propane) (kg) Connection heating medium male Ø (mm) Connection cold water ext Ø (mm) Connection hot water ext Ø (mm) Connection docking ext Ø (mm) Part No. 066 042 NIBE™ F370 Chapter 12 | Technical data...

  • Page 70: Electrical Circuit Diagram

    Electrical circuit diagram 3x400V Chapter 12 | Technical data NIBE™ F370...
  • Page 71 NIBE™ F370 Chapter 12 | Technical data...
  • Page 72 Chapter 12 | Technical data NIBE™ F370...
  • Page 73 NIBE™ F370 Chapter 12 | Technical data...
  • Page 74 Chapter 12 | Technical data NIBE™ F370...
  • Page 75 NIBE™ F370 Chapter 12 | Technical data...
  • Page 76 3x230V Chapter 12 | Technical data NIBE™ F370...
  • Page 77 NIBE™ F370 Chapter 12 | Technical data...
  • Page 78 Chapter 12 | Technical data NIBE™ F370...
  • Page 79 NIBE™ F370 Chapter 12 | Technical data...
  • Page 80 Chapter 12 | Technical data NIBE™ F370...
  • Page 81 NIBE™ F370 Chapter 12 | Technical data...

  • Page 82: Item Register

    Menu 3 - INFO, 50 Menu 4 - HEAT PUMP, 51 Electrical addition - maximum output, 24 Menu 5 - SERVICE, 54 Power steps of the immersion heater, 24 Menu system, 39 Help menu, 41 Chapter 13 | Item register NIBE™ F370...
  • Page 83 Marking, 4 Removal and draining, 3 When working in the refrigerant circuit, 2 Wiring, 2 Scroll through the windows, 41 Selecting menu, 40 Selecting options, 40 Serial number, 5 Service, 58 Service actions, 58 NIBE™ F370 Chapter 13 | Item register...
  • Page 84 Chapter 13 | NIBE™ F370...
  • Page 85 NIBE™ F370 Chapter 13 |...
  • Page 86 Chapter 13 | NIBE™ F370...
  • Page 88 NIBE AB Sweden Järnvägsgatan 40 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu 0 3 1 4 9 6...

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