2 stage heat pump with rock, earth, lake or ground water as
Contents
1. 4 Sy 1 E Eo 1 H KJ 070 12 LE Biz t GQ10 SS S23 3 ES AA100 E L E AA100 z gt SS SS cS Ss nl SS I EN C Bl N CG A lt NO GOOD TO KNOW ABOUT NIBE F1345 Pipe connections X1 Terminal block incoming electrical supply XL Connection heating medium flow X2 Terminal block non return valve external brine XL2 Connection heating medium return pump only 40 and 60 kW and external operating XL6 Connection brine in voltage at tariff control XL7 Connection brine out X3 Terminal block step controlled additional heat X4 Terminal block emergency mode relay HVAC components X5 Terminal block buzzer alarm EP14 Cooling module X6 Terminal block communication sensors and EP15 Cooling module software controlled inputs GP1 Circulation pump X7 Terminal block control signa2. Assembly Position F1345 on a firm base that can take the weight preferably on a concrete floor or foundation Use the heat pump s adjustable feet to obtain a stable set up Install with its back to an outside wall ideally in a room where noise does not matter in order to eliminate noise problems If this is not possible avoid placing it against a wall behind a bedroom or other room where noise may be a problem Wherever the unit is located walls to sound sensitive rooms should be fitted with sound insulation Route pipes so they are not fixed to an internal wall that backs on to a bedroom or living room Installation area Leave a space of 800 mm in front of the heat pump Approximately 50 mm free space is required on each side in order to open the side hatches The hatches do not need to be opened during service all service F1345 can be carried out from the front There must be at least 300mm of free space above the heat pump Leave space between the heat pump and wall behind and any routing of supply cables and pipes to reduce the risk of reproduction of any vibration 60 co 800 T A normal installation needs 300 400 mm any side for connection equipment i e level vessel valves and electrical equipment GOOD TO KNOW ABOUT NIBE F1345 Dimensions
3. 1555 1715 GOOD TO KNOW ABOUT NIBE F1345 Equipment EP15 XL1 EP15 XL7 EP15 XL2 3 PF1 ae a 15 2 c EP14 XL1 EP14 XL2 EP15 FB1 N e A E Cr EP14 XL7 S n m JE EP14 XL6 NI EP14 PF2 14 1 EP14 AA10 e e AE j E 1 19 o f AA2 P zug 2 fs fel a ES j E 0 mol 00 eg 41111 E S me z ac 19 92002 E 1 52244 o d i 2 4 AA3 ig Gg a o d P f le B b ES 3 L s s 5 s bee dd HE HLH Cooling section F1345 24 and 30 kW Cooling section F1345 40 and 60 kW es pco ES aE 5 XTI H
4. lation pump shunt valve and accessory ACS 45 This function makes both heat and cooling production independently of each other possible The cooling system supplies cooling from the collector circuit using a circulation pump via a shunt valve Passive cooling occurs without the compressor running while active cooling occurs when the compressor is running For the installation to work the heating medium must flow freely for example using UKV Operating mode cooling is activated by the temperature of the outdoor sensor and any room temperature sensors or room units When cooling is required the cooling reversing valve and the circulation pump are activated The shunt regulates according to the cooling sensor and a cooling set point value that is determined by the selected cooling curve and offset Degree minutes are calculated in response to the value on the brine out external temperature sensor and the cooling set point value The degree minute value determines in which cooling mode the installation is according to the menu settings Passive cooling 2 pipe This function requires the accessory AXC 50 an AXC 50 for each accessory function that is to be used The collector circuit is connected to a heat exchanger via a reversing valve The other side of the exchanger is connected to the heating medium circuit via a shunt valve and a circulation pump When cooling is required activated from the outdoor sensor and any r
5. D The back button is used to Display e go back to the previous menu e change a setting that has not been confirmed Status lamp OK button Back button Control knob Switch THE DISPLAY Menu system When the door to the heat pump is opened the menu system s four main menus are shown in the display as well as certain basic information Menu 1 Indoor climate Setting and scheduling the indoor climate Menu 2 Hot water Setting and scheduling hot water production This menu only appears if a water heater is docked to the heat pump Menu 3 Info Display of temperature and other operating information and access to the alarm log Menu 4 Heat pump Setting time date language display operating mode etc Menu 5 Service Advanced settings These settings are not available to the user The menu is visible by pressing the back button for 7 seconds Start guide The first time the heat pump is switched on a start guide is started The start guide instructions state what needs to carried out at the first start together with a run through of the heat pump s basic settings The start guide ensures that the start up is carried out correctly and cannot be bypassed The start guide can be started later in menu 5 Indoor temperature if a room sensor is connected Hot water temp Outdoor temp Extra hot water Estimated amount of if activated
6. 10 6 16 5 us 3 50 3 53 3 68 35 10 35 Specified output kW 30 1 40 3 51 8 792 Electrical output kW 5 39 7 80 970 16 1 Go rae 5 54 5153 5 32 4 84 10 45 Specified output kW 28 7 39 5 50 9 vo Electrical output kW 6 44 9 25 18 4 4 43 4 24 4 34 3 95 Electrical data Rated voltage 400V 3NAC 50 Hz Max operating current heat pump 19 4 24 8 30 9 47 1 Max operating current compressor M 7 8 10 5 139 19 9 Recommended fuse protection A 25 30 35 50 Start current M 29 34 42 53 Max permitted impedance at connection point ohm 0 4 Power Brine circulation pump W 10 370 10 370 735 890 1150 1290 Power Heating circulation pumps W 5 174 5 174 5 174 5 174 IP class IP 21 Refrigerant circuit Type of refrigerant R407C R410A Volume kg 2x23 2x24 2x24 Cut out value pressostat HP bar 32 42 Difference pressostat HP bar 7 Cut out value pressostat LP bar 0 8 2 Difference pressostat LP bar 0 7 Cut out value pressure transmitter LP without AMB 30 bar Pe 3 9 Cut out value pressure transmitter LP with AMB 30 bar 0 8 2 Difference pressure transmitter LP bar 0 1 TECHNICAL SPECIFICATIONS Type 24 30 40 60 Brine circuit Max system pressure brine bar 3 Min flow I s 0 92 T23 1 59 2 26 Nominal flow I s 1 18 1 62 2 09 2 90 Max external avail press at nom flow
7. 2 kPa 92 75 92 72 Max Min Incoming Brine temp see diagram Min outgoing brine temp without with AMB 30 12 14 Heating medium circuit Max system pressure heating medium bar 4 Min flow I s 0 37 0 50 0 64 Ore Nominal flow I s 0 54 0 73 0 93 1 34 Max external avail press at nom flow kPa 78 72 70 50 Max Min heating medium temp uo see diagram Sound power level L dB A 47 47 47 47 Sound pressure level Loy calculated values according to EN ISO 11203 at 0 35 and 1m range dB A 32 32 32 32 Pipe connections Brine ext diam CU pipe G50 2 external Heating medium ext diam CU pipes G50 2 external Dimensions and weight Width mm 600 Depth mm 620 Height mm 1800 Required ceiling height mm 1950 Weight complete heat pump kg 395 352 353 Weight per cooling module kg 130 135 143 5 144 Part no 065 110 065 111 065 112 065 113 1 permitted impedance the mains connected point in accordance with EN 61000 3 11 Start currents can cause short voltage dips that could affect other equipment in unfavourable conditions If the impedance in the mains connection point is higher than that stated it is possible that interference will occur If the impedance in the mains connection point is higher than that stated check with the power supplier before purchasing the equipment 2 With feet dismantled the height is approx 1650 mm 3 This technical data applies to the brine pump supplied f
8. 8 0 9 1 0 Flow 1 5 GOOD TO KNOW ABOUT NIBE F1345 40 kW 60 kW External available pressure kPa External available pressure kPa EE X EL EL 7407 MN 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 0 0 2 0 4 0 6 0 8 1 0 1 2 7 1 6 1 8 2 0 Flow 1 5 Flow 1 5 2 circulation pumps 2 circulation pumps 1 circulation pump 1 circulation pump Electrical output per circulation pump W Electrical output per circulation pump W 100 90 80 LULA LIN LAA ALL AL LLYN Flow 5 Flow 5 The pump is adjustable the flow be adjusted in menu NIBE F1345 9 GOOD TO KNOW ABOUT NIBE F1345 Pump capacity diagram Brine side 24 kW 30 kW External available pressure kPa External available pressure kPa N 100 80 80 60 0 0 5 1 0 1 5 2 0 2 5 0 0 5 1 0 15 2 0 2 5 Flow 1 5 Flow 1 5 2 circulation pumps 2 circulation pumps 1 circulation pump 1 circulation pump Electrical output per circulation pump W Electrical output per circulation pump W AD 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 Flow 1 5 Flow 1 5 The pump is adjustable the flow can be adjusted in menu 5 1 9 10 NIBE F1345 GOOD TO KNOW ABOUT NIBE F1345 40 kW 60 kW External available pressure kPa External available press
9. building s distribution system and the heat circulates out to the ground rock collector If several compressors are available these start with a difference of set degree minutes Groundwater pump With the AXC 50 accessory an AXC 50 for each acces sory function that is to be used a groundwater pump can be connected to the heat pump if the software con trolled output AUX output is used for anything else This connection enables the use of ground water as heat source The ground water is pumped up to an intermediate heat exchanger An in termediate heat exchanger is used to protect the heat pump s exchang er from dirt and freezing The water is released into a buried filtration unit or a drilled well The ground water pump runs at the same time as the brine pump Step controlled additional heat With the AXC 50 accessory an AXC 50 for each accessory function that is to be used a further three potential free relays are used for addition control which then gives max 3 3 linear or 7 7 binary steps Shunt controlled additional heat Accessory AXC 50 an AXC 50 for each accessory func tion that is to be used can be used to connect shunt controlled addition to the heat pump This connection enables an external additional heater e g an oil boiler to aid with heating The heat pump controls a shunt valve and a circulation pump via AXC 50 If the heat pump does not manage to keep the correct flow temperature the ad
10. followed by return to normal mode this may be used before stable circulation has been established Alarm indications The status lamp lights red in the event of an alarm and the display shows detailed information depending on the fault An alarm log is cre ated with each alarm containing a number of temperatures times and the status of outputs Additional heat only F1345 can be used exclusively with an additional heater to produce heat for example before the collector installation is complete Room control F1345 can be supplemented with a room sensor 50 The room tem perature sensor has up to three functions 1 Show current room temperature in the heat pump s display 2 Option of changing the room temperature in 3 Makes it possible to change stabilise the room temperature Install the sensor in a neutral position where the set temperature is required A suitable place is on a free inner wall in a hall approx 1 5 m above the floor It is important that the sensor is not obstructed from measuring the correct room temperature by being located for example in a recess between shelves behind a curtain above or close to a heat source in a draft from an external door or in direct sunlight Closed radiator thermostats can also cause problems The heat pump operates without the sensor but if one wishes to read off the accommodation s indoor temperature in F1345 s display the sen sor must be installed External
11. group This accessory is used when F1345 is installed in houses with two or more different climate systems that require different supply temperatures ECS 40 Part no 067 061 max 80 m ECS 41 Part no 067 099 min 80 m X uw SMS 40 Communications module SMS 40 enables operation and monitoring via a GSM module us the heat pump FLM Exhaust air module FLM is an exhaust air module specially designed to combine recovery of mechanical exhaust air with an energy collector in rock FLM Part no 067 011 Bracket pack Part no 067 083 AMB 30 Air module collector Part no 065 046 a BMS system Communication occurs using MODBUS RTU Part no 067 144 ing a mobile phone via SMS mes sages If the mobile telephone has the Android operating system the NIBE Mobile App can be used Part no 067 073 ACCESSORIES POOL 40 Pool heating POOL 40 is an accessory that enables pool heating with F1345 max 17 kW Part no 067 062 AXC 50 Accessory card An accessory card is required if step controlled additional heat e g external electric boiler or if shunt controlled additional heat e g wood oil gas pellet boiler passive active cooling 2 pipe passive cooling 2 respectively 4 pipes or if hot water comfort is to be connected to F1345 Part no 067 193 VST 20 Hot water control Reversing valve Cu pipe 235 Max recomme
12. hot water INSTALLATION Pipe installation Pipe installation must be carried out in accordance with current norms and directives F1345 can operate with a return temperature of up to 58 and an outgoing temperature from the heat pump of 65 C F1345 is not equipped with shut off valves these must be installed outside the heat pump to facilitate any future servicing Pipe connection cooling medium The pipe connections are on the rear of the heat pump Insulate all indoor brine pipes against condensation Mark the brine system with the antifreeze that is used Install the supplied safety valve at the expansion vessel as illustrated in the outline diagram The entire length of the overflow water pipe from the safety valves must be inclined to prevent water pockets and must also be frost free Install shut off valves as close to the heat pump as possible so that the flow to individual cooling modules can be shut off Extra safety valves between the particle filter and shut off valves according the outline diagram are required Fit the supplied particle filter on the incoming brine pipe Fit the supplied non return valves on the outgoing pipe In the case of connection to an open groundwater system an intermediate frost protected circuit must be provided because of the risk of dirt and freezing in the evaporator This requires an extra heat exchanger Note Note that condensation may drip from the level vessel Posit
13. 0 1200 1300 1400 1500 Total volume refrigerant in system INSTALLATION Connection of external brine pump only 40 and 60 kW Install the brine pump GP16 according to the circulation pump manual for connection of incoming brine EP14 XL6 and EP15 XL6 between the heat pump and shut off valve see image Pipe connection heating medium Connecting the climate system A climate system is a system that regulates indoor comfort with the help of the control system in F1345 and for example radiators underfloor heating cooling fan convectors etc The pipe connections are on the rear of the heat pump Install the necessary safety equipment and shut off valves installed as close to the heat pump as possible so that the flow to individual cooling modules can be shut off Fit the supplied particle filter on the incoming pipe The safety valve must have a maximum 0 6 MPa 6 0 bar opening pressure and be installed on the heating medium return The entire length of the overflow water pipe from the safety valves must be inclined to prevent water pockets and must also be frost free When connecting to a system with thermostats on all radiators a relief valve must be fitted or some of the thermostats must be removed to ensure sufficient flow Fit the supplied non return valves on the outgoing pipe Install the vent valves in the climate system if necessary CAUTION When necessary you should install venting valves
14. B BT1 1 DIE lim tr ur EU dI EB100 Era QM53 HQ13 15 RM13 QM57 E FL12X HQ15 M52 RM11 M56 gt lt 04 41 FL14 QM51 HQ12 EP14 RM12 QM55 11 014 50 RM10 QM54 gt lt H QM EA DEP NCC Ee tar DII S oM11 2 QM20 CM1 Sa INSTALLATION Inspection of the installation Current regulations require the heating installation to be inspected before it is commissioned The inspection must be carried out by a suitably qualified person and should be documented The above applies to closed heating systems If the heat pump is replaced the installation must be inspected again Guideline values for collectors Type Surface ground heating heating recommended recommended collector length active drilling depth 24 3x350 3x400 m 2x180 3x180 m 30 3x450 4x450 3x150 5x150 m 40 4x500 6x500 m 4x170 5x200 m 60 6x450 8x450 m 6x150 8x180 m For use with 40 x 2 4 PN 6 3 PEM hose This are rough example values On installation the correct calculations must be made according to local conditions The length of the collector hose varies depending on the rock soil conditions climate zone and on the climate system radiators or underfloor heating Max length per coil for the collector should not exceed 500 m The collector
15. NIBETM F1345 X GROUND SOURCE HEAT PUMP Nr NIBE 2 STAGE HEAT PUMP WITH ROCK EARTH LAKE OR GROUND WATER AS HEAT SOURCE Less than 3 kg refrigerant per cooling section installation This means no inspection requirement The two scroll compressors can supply up to 65 C to the heating system Double compressors give better power control longer oper ating intervals less wear and greater operational security Display unit with easy to read colour screen See status and make settings SMS with the SMS 40 accessory Control the heat pump externally with for example BMS via the accessory MODBUS 40 The heat pump is available in the following sizes 24 30 40 and 60 kW Up to 540 kW with 9 x F1345 in the same system Soft start relays and load monitor factory installed Internally installed low energy circulation pumps not brine pump for 40 or 60 kW Prepared for pool heating with POOL 40 accessory Prepared for control of up to four heating systems with 540 541 accessory e Coefficient Of Performance COP up to 4 51 at 0 35 C according to EN 14511 Separate cooling modules for compressors and brine pumps give reliable service and lower noise levels Easy to remove the cooling modules NIBE F1345 F1345 is a heat pump for heating large buildings such as apartment buildings churches and industrial premises F1345 is a flexible produc
16. control AUX input F1345 can be controlled using signals from external systems for exam ple DUC connected to three software controlled inputs AUX inputs The alarm and time conditions in F1345 override the external control The following functions can be controlled e Blocking of the compressors EP14 and EP15 e Blocking additional heat e Blocking heating e Tariff blocking e Activation of temporary lux extra hot water e External adjustment of flow temperature e Forced control of brine pump s e Activating fan speed requires accessory FLM control signals should occur with potential free relays INSTALLATION Step controlled additional heat Heat pumps are not usually dimensioned to provide the entire heat out put requirement which is why additional output is necessary during cold days The external step controlled additional heater if connected is au tomatically switched on in different steps if the output is not sufficient to reach the temperature levels requested by the control computer F1345 provides 230 V control signals for the additional heat that is signals for controlling external relays contactors etc but not to supply them with power External step controlled additional heat can be controlled by up to three potential free relays in the heat pump 3 step linear or 7 step binary With the AXC 50 accessory a further three potential free relays are used for addition control whic
17. control system with possibility of additional heat F1345 is connected to the brine and heating medium circuits In the heat pump evaporator the brine water mixed with anti treeze glycol or ethanol releases its energy to the refrigerant which is vaporised in order to be compressed in the compressor The refrigerant of which the temperature has now been raised is passed to the condenser where it gives off its energy to the heating medium circuit and if necessary to any docked water heater If there is a greater need for heating hot water than the compressors can provide it is possible is to connect an external immersion heater Brine to heat pump Brine from heat pump Sleeve pipe 22 Ground water level Active borehole water column in rock Brine pump Compressor Brine in Heating medium supply Brine out Heating medium return Cooling module EP15 Circulation pump ad Compressor Brine in Heating medium supply Brine out Heating medium return Cooling module EP14 Circulation pump Expansion valve Condenser Evaporator The brine pump 1 x for 40 or 60 kW is supplied and installed externally outside the heat pump F1345 is extremely efficient thanks to a highly effective compressor in well dimensioned refrigerant circuits Internally installed low energy circulation pumps and flex hoses not brine pump for 40 or 60 kW The brine respectively heating medium circuits are connected from the
18. dition starts When the boiler temperature has been increased to about 55 the heat pump sends a signal to the shunt valve to open from the addition The shunt valve adjusts so the true flow temperature corresponds with the control system s theoretical calculated set point value When the heating requirement drops sufficiently so the additional heat is no longer required the shunt closes completely How ever the boiler will be kept warm for a further 12 hours to be prepared for any increase in the heating requirement Solar heating With the Solar 42 accessory the F1345 together with VPAS can be connected to obtain solar heating for hot water charging and heating of buildings VPB can be connected to obtain hot water charging via heat exchanger The heat pump prioritises charging from the solar panel External circulation pump With the AXC 50 accessory an AXC 50 for each accessory function that is to be used an external circulation pump for the climate system can be connected to the heat pump if the alarm relay AUX output is activated for another function The function is already included in the following accessory functions e Step controlled additional heat Shunt controlled additional heat e Pool MODBUS The MODBUS 40 accessory enables F1345 to be con trolled and monitored in a BMS system in the building Communication occurs using MODBUS RTU SMS control The SMS 40 accessory enables F1345 to b
19. e controlled and monitored using a mobile phone via SMS messaging For this to work SMS 40 must be equipped with a valid GSM subscription There is no special GSM subscription requirement A pay as you go card or a normal subscription work equally well However a pay as you go card must be regularly topped up to ensure continued use sending SMS If the mobile telephone also has the Android operating system the NIBE Mobile App can be used In the event of an alarm SMS 40 can send an SMS to the programmed recipient and present it graphically Room unit The RMU 40 accessory enables F1345 to be con trolled and monitored from a different part of the building to where the heat pump is located INSTALLATION Air collector This function requires accessory NIBE AMB 30 AMB 30 is a heat absorbent air module The air module is most suitable when the ground rock col lector does not have the capacity that the installation requires Outdoor air collector AMB 30 is connected to NIBE F1345 for only out door air operation or in combination with rock ground collector hybrid operation Outdoor air operation During outdoor air operation the AMB 30 uses the outdoor air as a heat source and operation is permitted down to an outdoor air temperature of approx 7 C Outgoing brine from the F1345 is connected directly to the air module When the outdoor air temperature is lower than the dimensioned balance temperature the low
20. ed SS EN ISO 9001 2000 55 ISO 14001 2004 This brochure is a publication from NIBE All product illustrations facts and specifications are based on current information at the time of the publication s approval NIBE makes reservations for any factual or printing errors in this brochure 2 Photos www benfoto se 2012 02 307 NIBE NIBE Energy Systems AB Box 14 285 21 Markaryd SWEDEN Tel 46 433 73 000 www nibe eu 1 N N N st m m LLI zZ UO e 75 E c M
21. ed to work with the pool External circulation pump GP10 must be installed for pool operation During pool heating the heating medium is circulated between the heat pump and the pool exchanger using the heat pump s internal circulation pumps The external circulation pump circulates the heating medium water in the climate system and the additional heat can be engaged as neces sary at the same time as the external flow sensor continually meters the heating demand of the house Up to two different pool systems can be connected to F1345 and con trolled individually it does require two POOL 40 accessories Extra climate system This function requires the ECS 40 5 41 or 50 accessory if larger separate shunt valves are needed A shunt valve flow and return sensor and a circulation pump are connected to a second heating circuit with a lower temperature demand e g under floor heating system The temperature in the extra climate system is controlled by the heat pump and the shunt valve by offsetting the heat curve each climate system has its own heat curve room sensor or room unit Up to 3 additional climate systems can be connected to the heat pump Hot water comfort This function requires the accessory AXC 50 which gives the possibility of temporary lux mixing valve and hot water circulation an AXC 50 for each accessory function that is to be used Temporary lux extra hot water This function requires
22. equires little space and the ground probe can be drilled in the smallest of gardens Ground water A viable energy source for any building where ground water is easily accessible Ground water can also be utilised as a heat source since it has a temperature of between 4 and 12 all year round The heat pump collects stored solar energy from the ground water Normally there is one well for drawing up water and one for returning it Surface soil using a surface collector Cost effective energy collection During the summer solar heat is stored in the soil This is either directly absorbed as insulation or as heat from rain and the air from the near surface layer of the soil The heat pump collects this stored solar energy from a buried collector That is a hose filled with anti freeze and buried at a depth of about 80 100 cm the length of the hose varies between 250 and 400 metres depending on the size of heat pump selected Using this energy for heating is a cost effective method The highest yield can be obtained from soil with a high water content Lake collector Cost effective installation for lakeside homes If your home is built beside a water source such as a lake heat from the lake water can be extracted using a surface soil collector anchored to the bottom of the lake HOW DOES F1345 WORK Principle of operation F1345 consists of two heat pump modules cooling module circulation pumps and
23. est temperature where the heat pump can manage all the heating the additional heat must be ac cessible to supplement the heat pump Hybrid operation When the outdoor air temperature is higher than 12 C the control switches the reversing valves to operation with only AMB 30 When the outdoor air temperature is between approx and 10 the con trols switches the reversing valve to operation with both AMB 30 and ground rock collector hybrid operation At a set min difference the control switches to operation with only ground rock collector TECHNICAL SPECIFICATIONS 24 30 40 60 Output data at flow according to EN 255 Refers to performance of heat pump without circulation pumps 0 35 Specified output kW 23 2 31 3 40 0 57 8 Cooling output kW 18 4 24 6 31 8 45 1 Electrical output kW 4 84 6 67 8 17 12 7 COP ae 4 79 4 69 4 89 4 55 0 50 Specified output kW 22 0 30 4 38 7 54 8 Cooling output kW 15 6 21 6 28 0 38 4 Electrical output kW 6 41 8 80 10 6 16 4 Ob 3 43 3 46 3 63 3 34 Output data according to EN 14511 0 35 Specified output P kW 225 307 40 0 G77 Electrical output kW 5 05 7 00 8 88 IAE OB 4 42 4 36 4 51 4 10 0 45 Specified output P kW 2 105 30 1 39 0 S Electrical output kW 6 08 8 47
24. h then gives max 3 3 linear or 7 7 binary steps Step in occurs with at least 1 minute interval and step outs with at least 3 seconds interval Master Slave Several heat pumps F1345 can be interconnected by selecting one heat pump as master and the others as slaves The heat pump is always delivered as master and up to 8 slaves can be connected to it and supply up to 540 kW with 9 x F1345 60 kW in the same system In systems with several heat pumps each pump must have a unique name that is only one heat pump can be Master and only one can be for example Slave 5 External temperature sensors and control signals must only be connect ed to the master except for external control of the compressor module and reversing valve s QN10 that can be connected one to each heat pump Software controlled output AUX output It is possible to have an external connection through the relay function via a potential free variable relay max 2 A on the X5 terminal block Optional functions for external connection e Indication of buzzer alarm preselected at the factory e Controlling ground water pump e Cooling mode indication only applies if accessories for cooling are present or if the heat pump has the integrated cooling function e Control of circulation pump for hot water circulation e External circulation pump for heating medium e fanyof the above is installed to terminal block X5 it must be selected in the con
25. ic outdoor temperature is produced guided by collected values from the outdoor and flow sensors The room temperature sensor can also be used to compensate the deviation in room temperature F1345 can be docked to an external unit with its own heating controls In that case the heat pump delivers heat up to a fixed temperature level This is known as Fixed condensing The automatic heating control system is then controlled by the external unit s regulation device INSTALLATION Basic functions Heat production F1345 is equipped with an outdoor temperature controlled heating control system This means that the supply of heat to the house is regulated in accordance with the chosen setting of the regulating curve curve slope and offset After adjustment the correct amount of heat for the outside temperature is supplied The flow line temperature of the heat pump will hunt around the theoretically required value For subnormal temperatures the control system calculates a heating deficit in the form of degree minutes which means that heating production is accelerated The larger the subnormal temperature the greater the heat production Heat production can take place with one or several compressors Hot water production This function requires accessory VST 20 If the water heater is docked to F1345 when there is a demand for hot water the heat pump gives this priority and devotes half its output to water heating Heating is pr
26. in the climate system CAUTION The heat pump is designed so that heating production can occur with one or two cooling modules This however entails different pipe or electrical installations Pipe connection water heater e Any docked hot water heater must be fitted with necessary set of valves e The mixing valve must be installed if the setting is changed so that the temperature can exceed 60 C e The setting tor hot water is made in menu 5 1 1 e safety valve must have a maximum opening pressure in accordance with the water heater manual and be installed on the incoming domestic water line The entire length of the overflow water pipe from the safety valves must be inclined to prevent water pockets and must also be frost free CAUTION The heat pump system is designed so that hot water production can occur with one or several cooling modules This however entails different pipe or electrical installations Fixed condensing If F1345 is to work towards the water heater with fixed condensing you must connect an external flow sensor BT25 according to the descrip tion in the installer handbook In addition menu settings must be made see installer handbook INSTALLATION NIBE F1345 can be connected in several different ways some of which are shown below Further option information is available in tions for the accessories used F1345 docked with electric additional heat and water heater floating conden
27. ion the vessel so that this does not harm other equipment Pressure expansion vessel The brine circuit must be supplied with a pressure expansion vessel The brine side must be pressurised to at least 0 05 MPa 0 5 bar The pressure expansion vessel should be dimensioned as set out in the following diagram to prevent operating disturbances The diagrams cover the temperature range from 10 C to 20 C at a pre pressure of 0 05 MPa 0 5 bar and the safety valve s opening pressure of 0 3 MPa 3 0 bar Ethanol 2896 volume percent In installations with ethanol 2896 volume percent as the brine the pressure expansion vessel must be dimensioned according to the following diagram Ethylene glycol 40 volume percent In installations with ethylene glycol 4096 volume percent as the brine the pressure expansion vessel must be dimensioned according to the following diagram Volume pressure expansion vessel 1 100 90 80 70 60 50 40 30 20 10 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Total volume refrigerant in system Ethylene glycol 40 volume percent In installations with ethylene glycol 4096 volume percent as the brine the pressure expansion vessel must be dimensioned according to the following diagram Volume pressure expansion vessel 1 60 50 40 30 20 0 0 100 200 300 400 500 600 700 800 900 1000110
28. l external brine pump ly 4 kW GP2 Brine pump only 40 and 60 kW OM Drainage climate system 2 Draining brine side Miscellaneous 1 Rating plate 2 Type plate cooling section Cooling components Serial number plate EP1 Evaporator 2 Condenser GQ10 Compressor UB1 Cable gland incoming electricity UB2 Cable gland power UB3 Cable gland signal Sensors etc BT 1 Temperature sensor outdoor BT 1 Temperature sensor brine in i Designations in component locations according to standard 81346 1 and BT11 Temperature sensor brine out 81346 2 BT12 Temperature sensor condenser supply line Electrical components AA2 Base card Input circuit board AA4 Display unit AA7 Extra relay circuit board AA10 Soft start card AA26 Base card 2 AA100 Joint card FC1 Miniature circuit breaker FB1 Motor cut out SF1 Switch GOOD TO KNOW ABOUT NIBE F1345 Pump capacity diagram Heating medium side 24 kW External available pressure kPa 30 kW External available pressure kPa I s 2 circulation pumps 1 circulation pump Electrical output per circulation pump W D 0 100 Flow I s The pump is adjustable the flow can be adjusted in menu Dela ls 8 NIBE F1345 1 0 2 0 1 8 2 0 Flow 5 2 circulation pumps 1 circulation pump Electrical output per circulation pump W EBEN 0 2 0
29. nd water heater floating condensing The heat pump EB100 prioritises charging of hot water with half the power cooling module EP14 via a reversing valve EB100 QN10 When the water heater accumulator tank CP10 and CP11 are fully charged EB100 QN10 switches to the heating circuit The other half of the output cooling module EP15 prioritises pool heating via a reversing valve CL11 QN19 When the pool is heated CL11 QN19 switches to the heating circuit When there is a demand for heat cooling module EP15 starts in heat pump EB101 first For greater demands cooling module EP14 also starts in EB101 for heating operation Additional heat EM1 is connected automatically when the energy requirement exceeds the heat pump capacity If the water heater accumulator tank CP10 is fitted with an immersion heater and a junction box the function temporary lux is used A by pass contactor is recommended BP6 5 QM21 FL3 E Bn 6101 CM3 0 33 E QM53 013 15 RM13 0 57 gt lt BD O gt lt gt lt I QMs2 12 HQ15 0 56 gt lt gt lt iL Vo e gt lt FL14 QM51 HQ12 EP14 RM12 QM55 gt lt D e gt lt gt lt V 1 no 014 0 54 lt gt lt Hn gt FL13X
30. nded power 40 kW Part no 089 388 KB R32 Filling valve kit Filling valve kit for filling brine in the collector hose for rock heat pumps Includes dirt filter and insulation Part no 089 971 UKV Neutralization vessel UKV 200 Part no 080 300 UKV 300 Part no 080 301 UKV 500 Part no 080 302 Immersion heater IU 3 kW Part 695 20 30 6 kW Part 695 20 71 9 kW 695 2097 RMU 40 Room unit RMU 40 means that control and monitoring of the heat pump can be carried out in a different part of the accommodation to where F1345 is located Part no 067 064 VPA Hot water heater VPA 300 200 CU Part no 088 710 VPA 300 200 E Part no 088 700 VPA 450 300 CU Part no 088 660 VPA 450 300 E Part no 088 670 VPAS 300 450 CU Part no 087 720 VPAS 300 450 E Part no 087 710 K11 Connection box Connection box with thermostat and overheating protection Part no 018 893 SOLAR 42 Solar pack Solar 42 means that F1345 can be connected to solar heating Part no 067 084 VPB Hot water heater Water heater with charge coll VPB 500 Part no 083 220 VPB 750 Part no 083 230 VPB 1000 Part no 083 240 did d HPAC 42 Active Passive cooling 2 pipe HPAC combined with a heat pump is a climate control system for heating and cooling houses and apartment buildings Max 40 kW Part no 067 025 NIBE is ISO certifi
31. oduced by the second compressor in this mode Maximum time for hot water charging can be adjusted in the menu system After this heating is produced by both the compressors for the remaining period of time before further water heating can take place With two or more compressors connected for water heating this is engaged and disengaged automatically by the control system on demand A reversing valve is required for each F1345 that is to charge hot water Hot water charging starts when the hot water sensor has fallen to the set start temperature Hot water charging stops when the hot water temperature on the hot water sensor BT6 has been reached For occasional higher demand for hot water the temporary lux function can be used to raise the temperature for 3 12 hours selected in the menu system Own curve F1345 has pre programmed non linear heating curves It is also possible to create your own defined curve This is an individual linear curve with one break point You select a break point and the associated temperatures Under floor drying F1345 has an integrated floor drying function This allows for controlled drying of a concrete slab It is possible to create your own program and to follow a pre programmed time and temperature schedule Brine pump The brine pumps 40 or 60 kW have 1 brine pump normally follow the operation of the heat pump There is a special operating mode for con tinuous operation for 10 days
32. oom sensor or room unit the reversing valve and the circulation pump are activated The shunt valve regulates so that the cooling sensor reaches the current set point value corresponding to the outdoor tem perature and the set min value for the cooling temperature to prevent condensation INSTALLATION Passive active cooling 2 pipe This function requires the accessory 50 50 ph lt for each accessory function that is to be used eee The heating cooling modes are controlled by 4 reversing valves which depending on the outdoor temperature and or room temperature switch between the different modes The supply of cooling to the building is controlled by the set curve slope and the offset of the curve in the control system After adjustment the correct amount of cooling for the current outdoor temperature is sup plied The flow temperature from the reversing valves will hover around the theoretical required value settable in the control system For excess temperatures F1345 calculates a surplus in the form of degree minutes this results in the acceleration of cooling production the greater the excess temperature F1345 automatically moves to cooling operation when the outdoor temperature exceeds the set value When the cooling requirement is large and passive cooling is not suffi cient active cooling is engaged at the set limit value A compressor then starts and the resulting cooling circulates to the
33. or 40 and 60 kW Working range compressor operation The compressor provides a supply temperature up to 65 C the remainder up to 70 C is obtained using the additional heat Water temperature 5G 70 60 50 40 30 15 10 5 0 5 10 15 20 25 30 Brine in temperature wx Flow temperature Return temperature NIBE F1345 25 SUPPLIED COMPONENTS Outdoor sensor Current sensor Safety valve Inner diameter 3 bar 11 8mm not 60 kW O OSO OS OO Temperature sensor Non return valves O rings 5x 4x G2 internal thread Installer manual User manual ACCESSORIES ACS 45 Active Passive cooling 4 pipe Part no 067 195 ELK External electrical addition These accessories may require accessories card AXC 50 ELK 213 Part no 069 500 ELK 15 Part no 069 022 ELK 26 Part no 067 074 ELK 42 Part no 067 075 HR 10 Auxiliary relay Part no 089 423 MODBUS 40 Communications module MODBUS 40 enables F1345 to be controlled and monitored in External brine pump for 40 and 60 kW only Insulation tape Cable tie Particle filter 24 40 kW 2 pcs G1 1 4 internal thread 2 pcs G1 1 2 internal thread 60 kW 2 pcs G1 1 4 internal thread 2 pcs G2 internal thread The enclosed kit is located on the packaging for ECS 40 ECS 41 Extra shunt
34. rear of the heat pump Particle filter supplied The heat pump can be connected to an optional low temperature distribution system e g radiators convectors or under floor heating F1345 is equipped with a control computer for optimum and reliable operation A large backlit TFT display shows information about status operating time and all temperatures in the heat pump as well as certain information about any slave heat pumps in colour using icons and text F1345 is constructed on a robust frame with durable panels and effective soundproofing for the best possible comfort All panels are easy to remove for easy access when installing and for servicing GOOD TO KNOW ABOUT F1345 Transport and storage F1345 should be transported and stored vertically in a dry place When being moved into a building F1345 may be leant back 45 NOTE The heat pump is top heavy If the cooling modules are pulled out and transported upright F1345 can be transported on its back The side panels can be removed for easier installation in the building NOTE Ensure that the heat pump cannot fall over during transport Drawing out the cooling module To simplify transport and service the heat pump can be separated by pulling the cooling module out from the cabinet See the installer manual for comprehensive instructions about the separation
35. s must always be connected in parallel with the possibility of adjusting the flow for the relevant coil For surface soil heat the hose should be buried at a depth of about 1 metre and the distance between the hoses should be at least 1 metre For several bore holes the distance between the holes must be at least 15 m Ensure the collector hose rises constantly towards the heat pump to avoid air pockets If this 15 not possible air vents should be used As the temperature of the brine system can fall below O C it must be protected against freezing down to 15 C One litre of ready mixed brine per meter of collector hose applies when using PEM hose 40 x 2 4 PN 6 3 is used as a guide value when making the volume calculation Control general The indoor temperature depends on several factors Sunlight and heat emissions from people and household machines are normally sufficient to keep the house warm during the warmer parts of the year When it gets colder outside the climate system must be started The colder it is outside the warmer radiators and floor heating system must be The heat pump is controlled by built in sensors for flow and return brine temperatures collector Brine return temperatures can if so required be limited to a minimum e g for ground water systems Control of the heat production is performed based on the floating condensing principle i e the temperature level needed for heating at a specif
36. sing The heat pump EB 100 prioritises charging of hot water with half the power cooling module EP14 via a reversing valve QN10 When the water heater accumulator tank CP10 are fully charged EB100 QN10 switches to the heating circuit When there is a demand for heat cooling module EP15 starts first For greater demands cooling module EP14 also starts for heating operation Additional heat EB1 is connected automatically when the energy requirement exceeds the heat pump capacity If the water heater accumulator tank CP10 is fitted with an immersion heater EB2 and a junction box XD1 and the accessory card 50 5 the functions temporary lux and periodic increase can be used A by pass contactor is recommended BP6 the respective assembly instruc QM42 IM ca am E Ec e c TM M E en EU Mu EP ME MA 4 QM 1 FL3 CM3B amp gt m QM33 biana oW Fhe eee QE MCN pee ee ee V XL27X XL28X QM34 gt lt 100 0 QM54 CM 16 NIBE F1345 R3 Lolli xL ret QM11 FL2 gt lt 1 INSTALLATION 2x F1345 docked with oil addition pool a
37. t with advanced control equipment and can be adapted to several system solutions The ground bedrock or lakes can be used as the heat source Groundwater can also be used as a heat source but this requires an intermediate heat exchanger Another area of use could also be ventilation recovery in multi occupancy buildings F1345 can control up to four different climate systems requires accessory for example a lower flow temperature in the underfloor heating loops than in the radiators F1345 is also prepared for control of an external additional heater At hot water production this can be prioritised selectable with one or more compressors This permits simultaneous production of heat and hot water A new generation of heat pumps DESIGNED FOR EARTH INSTALLATION METHOD The term ground source covers four different heat sources rock surface soil ground water and lake Rock using a ground probe Ideal for refurbishment or adaptation from a fossil fuel heating system In the lower subsoil of the so called near surface geothermal layer lies a heat source with an almost constant temperature that can be utilised all year round The heat pump collects stored solar energy from a collector in a hole drilled into the rock The depth of the hole can vary between 90 200 metres depending on the size of heat pump selected This type of system can be used for all possible building types large or small public or private It r
38. the accessory AXC 50 If an im mersion heater is installed in the tank it can be permit ted to produce hot water at the same time as the heat pump prioritises heating Mixing valve This function requires the accessory AXC 50 A temperature sensor reads the temperature of the outgoing water to the hot water taps and ad justs the mixing valve from the hot water heater until the set tempera ture in the control system has been reached Hot water circulation VVC This function requires the accessory AXC 50 One pump can be con trolled for the circulation of the hot water during selectable periods Cooling The accessory AXC 50 may be needed for distribution of cooling to the climate system Passive cooling 4 pipe This function requires the accessory AXC 50 an AXC 50 for each accessory function that is to be used The cooling system is connected to the heat pump col lector circuit through which cooling is supplied from the 7 collector via the circulation pump and the shunt valve When cooling is required activated from the outdoor sensor and any room sensor the reversing valve and the circulation pump are activated The shunt valve regulates so that the cooling sensor reaches the current set point value corresponding to the outdoor temperature and the set min value for the cooling temperature to prevent condensation Passive active cooling 4 pipe This function requires reversing valve for cooling circu
39. trol system The accessory card is required if two or more of the above functions are to be connected to terminal block X5 at the same time Load monitor When many power consumers are connected in the property at the same time as the electric additional heat is operating there is a risk of the property s main fuse tripping The heat pump has integrated load monitors that control the electrical steps for the electrical additional heat by disconnecting step by step in event of overload in a phase Reconnec tion occurs when other current consumption is reduced A current sensor should be installed on each incoming phase conductor in to the distribution box to measure the current The distribution box is an appropriate installation point USB service outlet F1345 is equipped with a USB socket in the display unit This USB socket can be used to connect a USB memory stick to update the software save logged information and handle the settings in F1345 INSTALLATION Extended functions Pool This function requires accessory POOL 40 A reversing valve can be connected to control part or all of the heating medium flow to a pool exchanger 2 The reversing valve or if so desired the reversing valves 95 although using the same control signal is are in stalled on the heating medium circuit which normally goes to a radiator system You determine in the control system how many compressors are permitt
40. ure kPa _ d gol Ld LM 2 2 2 4 j Flow 1 5 Flow 1 5 Electrical output per circulation pump W Electrical output per circulation pump W 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 Flow 1 5 Flow s The pump is adjustable the flow can be adjusted using the speed switch on the pump NIBE F1345 11 THE DISPLAY A large easy to read multicoulour display gives everyone the chance to maximize the energy saving potential of this exciting green technology Display unit Display A Control knob E Instructions settings and operational information are shown on control knob can be turned to the right or left You can the display The easy to read display and menu system facilitates e scroll in menus and between options navigation between the different menus and options to set the comfort or obtain the information you require increase and decrease the values e change page in multiple page instructions for example help Status lamp B text and service info The status lamp indicates the status of the heat pump It e lights green during normal operation Switch F e lights yellow in emergency mode The switch assumes three positions e On I e lights red in the event of a deployed alarm e Standby O OK button C Emergency mode A The OK button is used to e confirm selections of sub menus options set values page in the start guide Back button
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