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1 General Information

99E13331xx-mub-en - V08

2022/07

Advanced settings* .................................................................................................... 58

Functions in the cascade network .................................................................................. 58

22.1

Circulation .................................................................................................................. 58

22.2

Stratification return ..................................................................................................... 59

22.3

Comfort function ......................................................................................................... 60

22.4

Thermal disinfection ................................................................................................... 60

22.5

Alarm relay ................................................................................................................. 61

22.6

Parallel relay .............................................................................................................. 61

22.7

Hygienic flush / protection against blocking ................................................................ 61

22.8

Buffer tank .................................................................................................................. 61

22.9

Reheating ................................................................................................................... 61

Connection to Building Management System .................................................................. 62

23.1

Single domestic hot water module .............................................................................. 62

23.2

Cascade ..................................................................................................................... 64

23.3

List of the Modbus registers ....................................................................................... 66

Technical data ............................................................................................................... 66

Error correction ............................................................................................................. 68

25.1

Error messages .......................................................................................................... 68

25.2

Troubleshooting ......................................................................................................... 70

25.3

Checking the VFS 2-40 flow sensor ........................................................................... 73

25.4

Checking the FlowSonic flow sensor .......................................................................... 74

Disposal ........................................................................................................................ 76

Exclusion of liability ....................................................................................................... 76

Legal guarantee ............................................................................................................ 77

Содержание FC3.10

Страница 1: ... Böcklerstr 11 31789 Hameln Germany Phone 49 5151 9856 0 Fax 49 5151 9856 98 E Mail info paw eu Web www paw eu 2022 07 99E13331xx mub en V08 1 Installation and Operation Instructions Controller FC3 10 for DHW modules ...

Страница 2: ...Item no 99E13331xx mub en Version V08 Issued 2022 07 Translation of the original instructions We reserve the right to make technical changes without notice Printed in Germany Copyright by PAW GmbH Co KG PAW GmbH Co KG Böcklerstraße 11 31789 Hameln Germany ...

Страница 3: ... 11 4 Product description and operation 13 4 1 View of the controller 13 4 2 Operating buttons key combination 13 4 3 Display 14 4 4 Symbols 15 5 Commissioning specialist 15 5 1 Language 16 5 2 Controller type 16 5 3 Date 16 5 4 Time 16 5 5 Automatic Daylight saving time Standard time 17 5 6 Cascade 17 5 7 Scan Modbus 17 5 8 Nominal temperature 17 5 9 Functions 17 5 10 Finish with protocol 17 5 11...

Страница 4: ...e 25 10 6 Commissioning 26 10 7 Software update 26 10 8 Display 26 11 Internet module 27 11 1 Registration 27 11 2 Set up the network 28 11 3 Information 28 12 Modbus settings 28 13 USB 28 13 1 Remove data carrier 29 13 2 Load settings 29 13 3 Save settings 29 13 4 Save alarm history 29 13 5 Save parameter history 29 13 6 Data logging interval 29 13 7 Recording type 29 13 8 Format data carrier 30 ...

Страница 5: ...tion against blocking 44 17 9 Buffer tank 45 17 10 Reheating 45 18 Installation of the cascade controller 46 18 1 Installation 47 18 2 Initial commissioning of the cascade controller 51 18 3 Extension of a single controller to a cascade network 53 19 Menu settings cascade 53 20 Submenu Cascade at the client 55 20 1 Cascade switchover points 55 20 2 Switchover point ON 55 20 3 Switchover point OFF ...

Страница 6: ... 7 Hygienic flush protection against blocking 61 22 8 Buffer tank 61 22 9 Reheating 61 23 Connection to Building Management System 62 23 1 Single domestic hot water module 62 23 2 Cascade 64 23 3 List of the Modbus registers 66 24 Technical data 66 25 Error correction 68 25 1 Error messages 68 25 2 Troubleshooting 70 25 3 Checking the VFS 2 40 flow sensor 73 25 4 Checking the FlowSonic flow sensor...

Страница 7: ...PAW accessories with the controller The packaging materials are made of recyclable materials and can be disposed of with recyclable materials This product complies with the relevant directives and is therefore labelled with the CE mark The Declaration of Conformity is available upon request please contact the manufacturer 1 3 Target group The target audience of this manual are technical profession...

Страница 8: ...c hot water module can be damaged by improper operation of the device The device must not be connected to the mains power supply when the body is open or damaged cables are damaged This document is part of the product Install and use the device only after having read and understood this document Please observe all safety instructions Please contact an additional expert if uncertainties occur The m...

Страница 9: ...describes only the installation of the controller Follow the instructions of each respective manufacturer when installing external components valves etc Do not put the controller into operation in case of any visible damage 1 Temperature sensors S1 S4 Pt1000 2 Flow sensors VFS US 3 Outputs PWM 4 Modbus RS 485 5 RS 232 6 Outputs 230 V 7 Supply 8 Position of the jumper 9 Fuse ...

Страница 10: ... temperature ext stratification temperature S3 Ʇ Optional Storage tank temperature T ST ext circulation temperature ext stratification temperature S4 Ʇ Cold water temperature secondary T CW VFS US1 Domestic hot water temperature T DHW and flow rate secondary Inputs FriwaMidi Maxi Mega Terminal Individual operation mode Cascade operation mode S1 Ʇ Flow temperature primary T FL S2 Ʇ Domestic hot wat...

Страница 11: ...he controller must be disconnected from the power supply and it must be ensured that they cannot be unintentionally reconnected during installation The protective earth conductors PE from the mains cable and pump and valve cables must be connected to the protective earth conductor terminal block All cables must be laid so that persons cannot stand on them or trip over them The cables must satisfy ...

Страница 12: ...be used Lay the sensor cables at least 100 mm away from any power supply cables Use shielded sensor cables when inductive sources are present e g high voltage lines radio transmitters microwave devices ATTENTION Danger of damage and malfunction When using a circulation pump especially with the FriwaMega the power consumption of the pumps connected to the controller must absolutely be observed and ...

Страница 13: ...navigates downwards in the menu decreases adjustment values Confirm opens the main menu goes to the next lower level confirms set values activates functions Key combination Description Standby on Back and confirm keep button pressed Standby off Back keep button pressed for 5 s Factory settings Confirm keep button pressed for 30 s Software update Upwards and downwards keep button pressed for 5 s US...

Страница 14: ... mub en V08 2022 07 4 3 Display Hot water temperature T DHW Flow temperature T FL Flow rate VFS V Speed of the primary pump PWM 1 Cold water temperature T CW Speed of the circulation pump PWM 2 Remaining time of disinfection Time with day of the week ...

Страница 15: ...art up is shown on the display After confirming with Yes the commissioning menu is displayed where you can successively make the desired general settings Symbol Description Three way valve with flow direction Check box activated deactivated Disinfection active Error message Manual mode Pump Storage tank Thermometer Heat exchanger Modulating hot water temperature active Water withdrawal point USB r...

Страница 16: ...ontroller should be selected if you want to put into operation only one domestic hot water module If you connect multiple domestic hot water modules 2 4 modules hydraulically in parallel these controllers are called cascading The controllers are connected via a bus line with each other and are called client or server 5 3 Date SET DATE 17 03 2020 Day Set the current date First set the day the month...

Страница 17: ...marks which controller type is searched at the moment This submenu appears if the client ID1 was selected at Controller type 5 8 Nominal temperature NOMINAL TEMPERATURE 60 C MIN 35 MAX 75 Setting the desired nominal temperature of the hot water 5 9 Functions Activate deactivate the functions and further corresponding settings When the domestic hot water module is delivered as well as after a reset...

Страница 18: ...n Polish English French Spanish Italian Dutch Swedish German Controller type Setting the type of controller Single controller client server 1 server 2 server 3 MB3 10 deactivated Single controller Date Setting the date Time Setting the time Auto Daylight saving time standard time Activate the automatic change to daylight saving time standard time Yes No Yes Cascade Operating parameters of the casc...

Страница 19: ...e operating button the menu of the controller FC3 10 opens The menu bar contains multiple submenus in which you can find or modify various settings The available menu items of the first three levels are shown as a menu tree and will be explained in detail in the following chapters ...

Страница 20: ...erature Maximum temperature Functions Circulation Stratification return Modulating hot water temperature Comfort function Disinfection Alarm relay Parallel relay Hygienic flush protection against blocking Buffer tank Reheating General settings Language Date Time Date time sync Auto Daylight saving time standard time Commissioning Software update Display ...

Страница 21: ...t mask Gateway address DNS address Information USB Remove data carrier Load settings Save settings Save alarm history Param Save history Data logging interval Recording type Format data carrier Properties Automatic manual mode Automatic mode Sensor simulation Relay 1 Relay 2 Relay 3 PWM1 PWM2 User code Advanced settings Remote control write protection Minimum speed ...

Страница 22: ... sensors their minimum and maximum measured values as well as the states of the relays R1 R2 R3 The minimum and maximum measured values can be reset by pressing the operating button Confirm OPERATING TIME Relay 1 0D 07H 01M Relay 2 0D 00H 00M Relay 3 0D 00H 00M Pump 1 0D 07H 00M Pump 2 0D 00H 00M In addition the current operating times the cycles of operation the heat quantity and the tap performa...

Страница 23: ...n receive more information about the corresponding error such as the date and the time When they occur error messages are confirmed with the operating button Back 7 3 Service SERVICE Inputs Outputs Functions Automatic manual mode Calibration In this menu item the assignment of all inputs and outputs is displayed Also an overview of all active inactive functions is displayed In addition it is shown...

Страница 24: ...justment range Factory setting Nominal temperature Hot water nominal temperature 35 75 C 60 C Minimum temperature Minimum hot water nominal temperature 20 45 C 35 C Maximum temperature Maximum hot water nominal temperature 60 90 C 75 C Settings only visible with installer code see chapter User code 9 Functions This menu item contains all selectable functions as well as the corresponding settings T...

Страница 25: ...e controller as well as update modify settings of the commissioning The menu is structured as follows 10 1 Language Set the desired language see Commissioning 10 2 Date Set the current date First set the day the month and finally the year 10 3 Time Set the current time First set the hour then the minutes 10 4 Synchronise date time Activate deactivate the synchronisation of date and time The synchr...

Страница 26: ...he screen lock After activating the screen lock the screen is locked after a determined period and accessing the menu of the controller is only possible after entering the set PIN code Parameters Meaning Adjustment range Factory setting Language Selection of the menu language German Polish English French Spanish Italian Dutch Swedish German Date Setting the date Time Setting the time Synchronise d...

Страница 27: ...t module Important For this the port 2000 must be activated At the moment the following possibilities are available Data logging inclusive analysis possibilities via the web service Remote maintenance Parameter function modification Synchronisation of the time with the Internet Additional instructions are enclosed to the Internet module The following data can be additionally set in the domestic ho...

Страница 28: ...onnected to the Building Management System BMS via the Modbus interface of the FC3 10 controller In this menu item the Modbus transfer parameters such as Baudrate data bits stop bits parity etc can be set Detailed information for the setting can be found in chapter 23 Connection to Building Management System Settings only visible with installer code see chapter User code 13 USB The controller has ...

Страница 29: ...allows to save the alarm history on the USB flash drive During the saving process the message Copying data is displayed after that Copying completed 13 5 Save parameter history This menu item allows to save the parameter history on the USB flash drive During the saving process the message Copying data is displayed after that Copying completed 13 6 Data logging interval Setting the data logging int...

Страница 30: ...story Save parameter history Save the parameter history Data logging interval Setting the data logging interval 1 60 s 1 s Recording type Setting the recording type Linear cyclical Linear Format data carrier Formatting the USB flash drive Properties Properties of the USB flash drive 14 Automatic manual mode In this menu item you can set the operation mode of all used PWM outputs and relays in the ...

Страница 31: ... Sensor 1 T FL Automatic simulation 30 150 C Automatic Sensor 2 Sensor 2 Automatic simulation 30 150 C Automatic Sensor 3 Sensor 3 Automatic simulation 30 150 C Automatic Sensor 4 Sensor 4 T CW Automatic simulation 30 150 C Automatic VFS US V VFS US flow rate Automatic simulation 0 0 40 0 l min Automatic VFS US T VFS US temperature Automatic simulation 30 150 C Automatic Relay 1 Relay 1 Automatic ...

Страница 32: ...em operators or customers 16 Advanced settings 16 1 Remote control write protection A remote control allows a remote monitoring data logging and setting of parameters of a domestic hot water module even if you are not nearby the module or the controller All domestic hot water modules based on the FC3 10 controller allow a remote control which can be realised in different ways BMS connection Modbus...

Страница 33: ...e because the activated function the password cannot be reset even if you reset to factory settings 16 2 Minimum speed In this menu item you can adapt the minimum speed of the primary pump The minimum speed is an important setting parameter which is exclusively responsible for the control quality in the low load operation small withdrawal quantity This minimally actuated PWM value is meant to guar...

Страница 34: ...Upwards and Downwards With the setting the flow in the circulation line is modified and consequently the temperature difference between inlet and outlet CIRCULATION FLOW RATE 5 1 l min Yes No Please confirm the current flow rate which is currently circulated in the circulation mode no active withdrawal by the confirmed setting This flow rate is taken into account for statistic purposes at Status M...

Страница 35: ...e or multiple time windows on the desired days First set the hour then the minutes of the time when the circulation is meant to start After confirmation set the hour and the minutes of the time when the circulation is meant to stop Please also confirm the end time to completely define the time window The time setting of a day can be copied to another day To copy the settings select the menu item C...

Страница 36: ... switched off when the switch off threshold temperature is exceeded or after the end of the runtime After that the demand for a determinable break is locked Time control demand During the time windows the circulation runs continuously Outside the time windows the circulation starts on demand and stops after the end of the runtime After that the demand for a determinable break is locked Time contro...

Страница 37: ...rmination of the switch off temperature 2 10 K 2 K Time control Submenu for settings of the time control On Off Off Continuous operation Continuous operation On Off Off Week settings Timer function On Off On Timer Setting of the time windows Monday Friday 00 00 23 59 Demand Submenu for settings of the demand On Off Off Work time Work time 00 00 10 00 min 01 00 min Pause Pause 0 60 min 10 min Circu...

Страница 38: ...per part of the storage tank If the temperature at the cold water sensor falls below the switch off threshold switch on temperature hysteresis the relay is switched off The return is fed into the lower part of the storage tank Operation mode Differential mode In addition to the temperature at the cold water sensor the storage temperature is required This temperature is measured exclusively via S3 ...

Страница 39: ... 10 K ΔT Off Switch off temperature difference 1 20 K 6 K Sensor selection Selection of the sensor T CW external sensor S2 only for FriwaMini S3 T CW 17 3 Modulating hot water temperature This function adapts the defined nominal temperature of the hot water if the temperature level in the storage tank is not sufficient The temperature is decreased when the flow temperature T FL is lower than the n...

Страница 40: ...ally Comfort nominal temperature hot water nominal temperature ΔT The sensor which measures the comfort nominal temperature is the flow sensor T FL S1 In order to avoid a permanent operation of the primary pump due to a storage tank that is not hot enough a security query is carried out If within 100 seconds after the start of the comfort function the flow temperature has not reached the calculate...

Страница 41: ...ion only when circulation was activated If the circulation is deactivated the nominal temperature is overwritten by the disinfection temperature during a withdrawal During the disinfection the primary pump is controlled in a way that the defined disinfection temperature is maintained at the hot water outlet The disinfection is logged as successful when during the duration of the disinfection the t...

Страница 42: ... Start time of the disinfection 0 11 00 p m 01 00 a m Disinfection OK after Duration for which the temperature condition must be met 9 min Duration of disinfection 1 min 15 min Abort Activate the automatic abortion On Off Off Disinfection history History of previous disinfections 17 6 Alarm relay The function Alarm relay allows to switch a relay in case of an error For example a signal transmitter...

Страница 43: ... Off μC error μC error On Off Off Time error Time not defined or lost On Off Off Communication error Communication error in the cascade network On Off Off Disinfection error Disinfection not successfully completed On Off Off 17 7 Parallel relay The function parallel relay makes it possible to switch an additional relay in case of an error It is possible to select what kind of incident causes the r...

Страница 44: ...2 Submenu to relay 2 Deactivated Status of the relay On Off On Primary pump Connects in parallel to the primary pump On Off Off Circulation pump Connects in parallel to the circulation pump On Off Off Disinfection Connects in parallel to the disinfection On Off Off Disinfection error Connects in parallel if disinfection was not successful On Off Off 17 8 Hygienic flush protection against blocking ...

Страница 45: ...ked The blocking is revoked as soon as the storage tank temperature is 5 K higher than the cold water temperature If the function is activated the additional temperature is displayed in the buffer tank Settings only visible with installer code see chapter User code Parameters Meaning Adjustment range Factory setting Buffer tank Activate the function On Off Off Buffer sensor Selection of the sensor...

Страница 46: ...asic settings are made and also functions are set Also the circulation pump is electrically connected and it is determined which is used for the cascade The other controllers are called server 1 server 2 or server 3 depending how many controllers are available Please note The three way valve for the stratification is exclusively connected electronically to the controller of the server 1 The contro...

Страница 47: ...the installation please observe the instructions in chapter 3 1 and 3 2 DANGER Risk to life and limb due to electric shock Disconnect the controller from the power supply before opening the body Make sure that the power supply cannot be unintentionally switched on when the body is open CL SV1 SV2 SV3 ...

Страница 48: ...p unscrew the two screws to remove the intermediate level 4 5 Remove the strain relief on the 230 V level 5 Now connect the cascade valve to the output relay 1 If also a three way valve for the improved stratification control in the storage tank return stratification must be connected use the output relay 2 of the server 1 Use a duo wire end ferrule twin wire end ferrule for the crimping if two wi...

Страница 49: ...valve at the right Brown L via duo wire end ferrule Brown L via duo wire end ferrule Black L R1 White L R2 Blue N R1 Blue N R2 The circulation pump must be electrically connected to the client Both pumps primary pump and circulation pump must be connected to the relay 3 by means of the duo wire end ferrules ...

Страница 50: ...the first and last participant of the Modbus communication the jumpers must be placed in position 2 see upper illustration Place the jumpers as follows Number of cascade modules Client Server 1 Server 2 Server 3 2 Pos 2 Pos 2 3 Pos 2 Pos 1 Pos 2 4 Pos 2 Pos 1 Pos 1 Pos 2 Pos 1 Pos 2 ...

Страница 51: ...y using screws 18 2 Initial commissioning of the cascade controller If the entire cascade is hydraulically filled and electrically connected the mains connection must be established In the case of an initial commissioning and the first mains connection of the cascade controllers start the installation in the menu item Commissioning COMMISSIONING Language Controller type Date Time CONTROLLER TYPE S...

Страница 52: ...the menu item Scan Modbus In the following a search run starts which identifies the connected controllers in the cascade system If a server was detected by the client it is marked with OK After that leave the menu via the Back button Now the automatic synchronisation of all controllers in the cascade starts When it is completed the message Synchronisation finished is displayed Please note If the n...

Страница 53: ... the server After any modifications the settings at the client are synchronised with the servers 18 3 Extension of a single controller to a cascade network If you already have a FC3 10 domestic hot water system as a single controller and if you wish to extend it to a cascade network you first need to enter the installation code For more information see chapter 15 Now the network can be extended vi...

Страница 54: ...arm relay Parallel relay Hygienic flush protection against blocking Buffer tank Reheating Basic settings Language Date Time Date time sync Auto Daylight saving time standard time Commissioning Software update Display Cascade Cascade switchover points Switchover point ON Switchover point OFF Switchover delay Duration of standby module Synchronise Debug Information Internet module Modbus Gateway MB3...

Страница 55: ...le cascade module is switched on or off You can navigate through the 4 modules with the upwards and downwards buttons Maximum flow indicates the maximum withdrawal flow rate for the number of modules see example 56 0 l min for 2 active modules Switch on 80 this marks the threshold for the minimum flow rate when the next module is switched on In the example the third module would switch on at a min...

Страница 56: ...y 20 5 Duration of standby module A standby module is a domestic hot water module whose cascade valve is still open at that moment even if there is no withdrawal There is always only one standby module the other modules with open cascade valves if available are called switch on modules The domestic hot water modules alternately assume the role as standby module in order to distribute the operating...

Страница 57: ...by module Duration how long a standby module is active 00 01 07 00 hours 07 00 hours Synchronise Transferring the settings from the client to the server Yes No 21 Submenus at the server At the server there is only a small number of setting options available after the commissioning 21 1 Status Measured and balance values are measured and displayed per controller In addition you receive information ...

Страница 58: ...e for each controller see chapter 14 21 5 Advanced settings In this menu item you can set the minimum speed of the primary pump 22 Functions in the cascade network To use the functions Circulation and Stratification the modules must be connected as shown in the following illustration three domestic hot water modules client at the left server 1 centre and server 2 at the right 22 1 Circulation NOTI...

Страница 59: ...old water cascade is the highest temperature of the T CW sensors of all active modules domestic hot water modules Alternatively an External sensor can be selected If an external sensor is selected the sensor must be connected to the client For a FriwaMini Cascade you can select Sensor 2 and Sensor 3 For a FriwaMidi FriwaMaxi or FriwaMega Cascade the External sensor must be connected to the input S...

Страница 60: ... line the sensor T cold water cascade is used for a FriwaMidi FriwaMaxi FriwaMega module For a FriwaMini module an External sensor can be used for a precise monitoring of the temperature in the return line The external sensor can be connected to the input Server 1 sensor 2 The measured values of the external sensors can be read at the SV1 FC3 10 controller at Menu Status Measured values Sensors 22...

Страница 61: ...nnect the alarm relay which is meant to be activated to the relay 2 of the server 1 if not three way valve is active of the server 2 or the server 3 22 6 Parallel relay This function is set and monitored via the client It is possible to connect multiple parallel relays These can be connected to the free relays 2 of the clients servers This allows to link each parallel relay with a function via the...

Страница 62: ...een the participants of the bus the Modbus RTU protocol is used 23 1 Single domestic hot water module Connection of the controller to BMS The domestic hot water modules with the FC3 10 controller have the great advantage that the Modbus interface already exists at the controller No additional hardware is required to realise the BMS connection Please use the PAW original communication cable RJ10 it...

Страница 63: ...arameters in the menu Modbus settings by using the installation code 9856 possibly installation code 0011 for customer specific controller versions MODBUS SETTINGS Address Baudrate Data bits Stop Bits The address is a personal allocation number of the FC3 10 controller server within the bus which the BMS addresses to during the communication The speed of the data transfer is set by the parameter B...

Страница 64: ... as a bus participant For this the MB3 10 PAW item no 1339002 is required Connection of the cascade to BMS The following graphic illustrates the connection of a Friwa Cascade 4 modules to the BMS via MB3 10 Please note that the MB3 10 far left is exclusively connected with the client For further information please refer to the operation instructions of the Modbus RTU module MB3 10 ...

Страница 65: ...menu item appears Modbus Gateway MB3 10 As in the previous chapter the Modbus transfer parameters must have identical settings for all devices connected to the BMS The speed of the data transfer is set by the parameter Baudrate Further setting parameters such as Data bits Stop bits and Parity describe the basic Modbus communication technology and must be identical to the parameters of the BMS whic...

Страница 66: ...parate document which can be downloaded via the website www paw eu or is available on demand directly at PAW 24 Technical data General Rated voltage system voltage 115 230 V AC 50 60 Hz Own consumption 2 5 W Own consumption standby 1 W Max power consumption inclusive outputs 4 2 A Outputs Outputs R1 R2 Type Switching current Voltage Relay 1 1 A 115 230 V AC 50 60 Hz Output R3 Type Switching curren...

Страница 67: ...75 Hz 10 V Signal outputs PWM Number Frequency Voltage Current max 2 200 Hz 10 V 10 mA Modbus Number of connections Type 2 RJ10 Internal bus Number of connections Type 1 RJ12 Application conditions Protection category IP 20 DIN 40050 without front panel IP 20 Protection class I Ambient temperature 0 50 C in the case of free wall assembly Physical values Dimensions L x W x H 164 x 112 x 55 mm Weigh...

Страница 68: ...sconnect the device from the power supply before opening the body All work on the open device may only be carried out by professional personnel NOTICE The controller is a quality product which has been conceived for numerous years of continuous operation Please observe the following aspects The cause of an error is often not the controller but one of the connected components The following notes ab...

Страница 69: ...Damaged sensor 4 VFS US V error VFS US T error Ethernet error module is separated module is faulty Check module for proper connection Modbus communication error separated Modbus cable Failure of a controller in a cascade network Check the Modbus communication for proper connection Disinfection error disinfection temperature was not reached within the defined time window Check buffer temperature US...

Страница 70: ...tem Is the water pressure in the secondary circuit of the system sufficient no Check the pressure in the secondary circuit of the system increase pressure if necessary Withdrawal quantity is too low yes Does the plate heat exchanger has limescale build up yes Clean the secondary side of the plate heat exchanger exchange plate heat exchanger if necessary ...

Страница 71: ...w Is the DHW nominal temperature at the controller set sufficiently high no yes Is the pressure loss in the primary circuit of the system too high yes Check the piping in the primary circuit of the system modify piping if necessary Increase the setting value for the DHW nominal temperature ...

Страница 72: ... Back at the same time Display lighting switched on no Check the power supply of the controller Is it interrupted yes Controller was in standby everything is ok yes Check the cause and establish the power supply again no A technical fault could have occurred please immediately contact a service team member ...

Страница 73: ...roller see illustration on pin assignment 3 Measure the tension of the flow sensor with a voltmeter and compare it to the following table Small deviations are acceptable 4 After the completed measurement mount the front panel Assignment tension flow Voltage V 0 500 0 658 0 816 0 974 1 132 1 290 1 447 1 605 1 763 1 921 Flow l min 2 4 6 8 10 12 14 16 18 20 Voltage V 2 079 2 237 2 395 2 553 2 711 2 8...

Страница 74: ...wSonic flow sensor WARNING Risk of death by electrocution Disconnect the device from the power supply before opening the body All work on the open device may only be carried out by professional personnel Only for FriwaMidi FriwaMaxi FriwaMega 1 Remove the front panel 2 Connect the voltmeter with the plug of the flow sensor at the controller see illustration on pin assignment 3 Measure the tension ...

Страница 75: ...5 20 25 30 35 40 45 Voltage V 1 924 2 081 2 239 2 396 2 554 2 711 2 869 3 026 3 184 3 341 3 499 Flow l min 50 55 60 65 70 75 80 85 90 95 100 Signal configuration FlowSonic Pin Designation Technical description Cable 1 Temperature signal Not important for the control Yellow 2 Flow signal 0 38 4 5 V measured to pin 3 White 3 Ground 0 V Green 4 Power supply 5 V DC Brown Pin assignment ...

Страница 76: ...d rechargeable batteries Please observe the disposal symbols on the components 27 Exclusion of liability The manufacturer can neither monitor the compliance with this manual nor the conditions and methods during the installation operation usage and maintenance of the controller Improper installation of the system may result in damage to property and as a result to bodily injury Therefore the manuf...

Страница 77: ...epted if notification of the fault is provided immediately after it is discovered Guarantee claims are to be directed to the seller The seller must be informed before guarantee claims are processed For processing a guarantee claim an exact fault description and the invoice delivery note must be provided The seller can choose to fulfil the legal guarantee either by repair or replacement If the prod...

Страница 78: ...28 Legal guarantee 78 99E13331xx mub en V08 2022 07 ...

Страница 79: ...28 Legal guarantee 2022 07 99E13331xx mub en V08 79 ...

Страница 80: ...99E13331xx mub en V08 2022 07 PAW GmbH Co KG Böcklerstraße 11 31789 Hameln Germany www paw eu Phone 49 5151 9856 0 Fax 49 5151 9856 98 ...

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