PAW Domestic Installation And Operation Instructions For Download

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99B138120x-mub-en | 2014/11 | V05

Domestic hot water controller FC3.8

6 (8) inputs, 4 outputs (3 relays, 1 potential-free switch output)

99B138120x-mub-en | V05 | 2014/11 | Subject to change due to technical improvements!

Installation and Operation Instructions

Summary of Contents for Domestic

Page 1: ...11 V05 EN Domestic hot water controller FC3 8 6 8 inputs 4 outputs 3 relays 1 potential free switch output 99B138120x mub en V05 2014 11 Subject to change due to technical improvements EN Installation and Operation Instructions ...

Page 2: ... 6 2 Display when operating 17 7 Modes of operation 17 7 1 Changing the mode of operation 17 7 2 Off mode 18 7 3 Manual mode 19 7 4 Automatic mode 21 8 Settings menu 22 8 1 Overview 22 8 2 Calling up the settings menu and selecting a menu entry 24 8 3 Setting the time 24 8 4 Setting the functions 24 8 5 Set nominal temperature of the domestic hot water 24 8 6 Switch on thermal disinfection 25 8 7 ...

Page 3: ...maged cables are damaged Factory labels and markings must never be altered removed or rendered unreadable Observe the prescribed conditions of use see section Technical data This device is not intended for Children Persons with physical sensory or mental impairment Persons without sufficient experience or knowledge unless they are instructed in the use of the device and initially supervised by a p...

Page 4: ...troller 2 About this manual 2 1 Contents This manual contains all information required by a technical professional for setting up and operating the domestic hot water controller 2 2 Target audience The target audience of this manual are technical professionals who have the knowledge of terminology and the skills necessary for setting up and operating domestic hot water stations have the necessary ...

Page 5: ...Fig 1 Fig 1 Removing the front panel 3 1 2 Mounting the front panel X X Carefully position the front panel and then press it onto the casing until it latches into place 3 1 3 Removing the terminal cover Danger Risk of death by electrocution Disconnect the controller from the power supply before removing the terminal cover Make sure that the power supply cannot be unintentionally switched on when t...

Page 6: ...supply cannot be unintentionally switched on when the casing is open Do not use the casing as a drilling template 1 If necessary remove the terminal cover 2 Screw in the screw for the upper mounting hole Fig 2 until the screw head has a clearance of 5 7 mm from the mounting surface 3 Hang the controller on the screw by the upper mounting hole and align it vertically 4 Mark the position of the lowe...

Page 7: ...ch the specifications on the type plate of the controller The power supply cable is to be connected to the mains power as follows using a plug connected to a wall mains socket or via an isolating mechanism allowing complete isolation in the case of permanent wiring The power supply cable must be laid in conformance to all applicable legal guidelines and regulations of the local electricity supplie...

Page 8: ...ective earth common protective earth for power connection terminal block Signals terminal block 1 4 4x sensor input Pt1000 temperature sensor 5 1x communication connection for cascading RS 1x signal output potential free relay contact for safety extra low voltage PWM R1 PWM R2 2x control output for controlling high efficiency pumps Connection PWM brown blue 7x ground connection common ground for s...

Page 9: ...s described in the following Terminal pin assignments section Mains input and outputs First connect PE then N and L Strain reliefs First clamp the lower strain relief clamps and then the upper strain relief clamps When using the upper strain relief clamps use the plastic links as described below If the opening in the strain relief clamp is too large e g in the case of thin cables turn over the str...

Page 10: ...he right plastic link between the casing and the spring clamp Fig 5 2 Carefully push the screwdriver to the left Lever the spring clamp to the right until the plastic link is free 3 Pull out the plastic link upwards by hand 4 Remove the left plastic link accordingly Fig 5 Removing the right plastic link ...

Page 11: ...ater temperature secondary TKW E 1 T Domestic hot water temperature secondary E 1 V Flow rate secondary Outputs Terminal Individual operation mode Cascade operation mode R1 N Sequence valve R2 N Return valve optional Return valve optional at the master controller R3 N Lconst N Primary pump Secondary pump circulation Primary pump Secondary pump circulation at the master controller PWM R1 Primary pu...

Page 12: ...pending on station Lconst N Primary pump Secondary pump circulation Primary pump Secondary pump circulation at the master controller PWM R1 Primary pump Primary pump PWM R2 Secondary pump circulation Secondary pump circulation at the master controller Rs Rs Alarm Alarm Caution When using a circulation pump especially with the FriwaMega the power consumption of the pumps connected to the controller...

Page 13: ...time and the date Fig left For the operation observe the section Operation Values can be subsequently changed during the guided configuration process The following applies ESC navigate block wise forwards and back wards Fig left forwards ESC back Navigation with ESC is always possible after completing a block Subsequent modification of a block is started with SET Commission the controller for the ...

Page 14: ...el 3 1 Terminal cover 3 3 1 1 Terminal cover fastening screw 1 Section 3 3 1 describes the terminals under the terminal cover Fig 6 Front view of the controller 5 2 Display 5 2 1 Overview error v 1 2 3 4 Fig 7 Overview of the display areas all elements visible System graphics Settings menu Pictograms for functions Operational and setting values The display areas are described below ...

Page 15: ...nsor 3 way valve with flow direction 5 2 3 Settings menu The settings menu in fig 7 contains the following entries Time Functions Nominal temperature of the domestic hot water Thermal disinfection Reset to factory defaults 5 2 4 Pictograms for functions The following table describes the pictograms used for functions in fig 7 Symbol Description Manual operation Pump is speed controlled 1 Alarm outp...

Page 16: ...s Number of the time window that is currently being set displayed or within which the current time lies The time control of a function consists of 1 to 3 configurable time windows Example Time window 1 06 00 08 00 Time window 2 11 00 12 30 Time window 3 17 00 19 00 Additional information on off switching state condition on off max min maximum value minimum value Σ Summed operational value since fi...

Page 17: ... Sets the operating mode Note We recommend that you write down all settings that you have changed 6 2 Display when operating A flashing component in the system graphic means The displayed operational or setting value applies to the flashing component Exception always flashes in manual mode Displays that are automatically alternately displayed are shown overlapping in the figures Example Figure in ...

Page 18: ...k 1 2 Backlighting is red Variant display can be selected see fig below Operation X X Press SET in order to select the display of the preset variant of the domestic hot water module X X Press and at the same time and hold them for 2 seconds to display the variant selection For further information about the variants see chapter 8 8 Set hydraulic variant Note The variant must exclusively be changed ...

Page 19: ...ent temperatures and operating hours can be displayed status display The display of the domestic hot water temperature shows an unequalized value When changing to manual mode all outputs are switched to A R1 is displayed Typical application Functional test maintenance fault finding Operation You switch the outputs on and off as follows 1 If necessary press to select a different output 2 Press SET ...

Page 20: ...mperatures and operating hours as follows 1 Press ESC The temperature operating hours are displayed and the associated component flashes display is not illustrated 2 Press to select a different component 3 Press SET to leave the temperature operating hours display ...

Page 21: ...ours since the last reset to 0 Reset the stored min max difference values Call up the settings menu 1 Summed switch on times of the outputs Operation The controller shows the status display You can display and reset the stored min max difference values as follows 1 Press as required in order to display other components component flashes 2 Press SET The min max difference values are displayed alter...

Page 22: ...ettings menu Time Functions Domestic hot water nomin SET SET Setting the time Heat quantity F 01 Circulation F 02 Diverting valve in the return F 03 Comfort function F 04 Bypass depending on station F 05 Checking temperature of the buffer tank F 06 Modulating hot water temperature F 07 Thermal disinfection F 08 Cascade F 09 Bus F 10 ...

Page 23: ...23 99B138120x mub en 2014 11 V05 EN ater nominal temperature Thermal disinfection Factory settings SET Reset to factory settings 5 seconds ...

Page 24: ...s X X Continue as described in the Functions section 8 5 Set nominal temperature of the domestic hot water Functioning The controller attempts to regulate the domestic hot water temperature to the value that has been set The domestic hot water temperature can be changed within the following limits Minimum 20 C Maximum 90 C Factory setting 60 C Operation Para flashes 1 Press SET The nominal tempera...

Page 25: ...n the corresponding function F 08 see section 9 2 8 Thermal disinfection Note In cascade operation mode both modules are activated by the master controller during the disinfection Operation The function thermal disinfection F 08 was activated see section 9 2 8 Thermal disinfection Otherwise is displayed flashes 1 StArt is displayed 2 Press SET oFF is displayed 3 Press SET oFF flashes 4 Press on an...

Page 26: ...ga with bypass 10 FriwaMaxi 12 FriwaMega 9 Functions 9 1 General information on operating the functions Displaying the functions The following information is visible when the functions are displayed Function number e g F 01 Fig left Switching state on Function is activated off Function is deactivated Fig left Note If the function is not displayed or neither on nor off are displayed the function ca...

Page 27: ...unctions can be copied and transmitted to another day You copy a time window as follows The time window was set in the function 1 Open the set menu of the time window 2 Press until COPY displays 3 Press SET to d 1 is displayed 4 Press to choose the day 5 Press SET The time window was copied Setting the characteristics The functions have different numbers of characteristics The characteristic value...

Page 28: ...ture control is set to on Min max factory default setting Lower min and upper limit max of a characteristic range and the factory setting When a value range only contains a few values then these are individually listed Example on oFF 9 2 1 Heat quantity Calculates the acquired heat volume based on the following information Domestic hot water temperature secondary Cold water temperature secondary F...

Page 29: ... delay The tap control works independently from the time control Connecting the operation modes When time and temperature control were selected these functions are linked with AND The flow control is always linked with OR and though has the highest priority because it is the direct requirement of the user When the desired temperature in the circulation circuit is reached the flow requirement prema...

Page 30: ...erature difference When the speed is satisfactory press the key for the activation of an operation mode Temperature control When a function is to be temperature controlled the temperature control must be switched on tc temperature control In the figure the temperature control is switched on on Time control If a function is to be time controlled then the time control must be activated and the time ...

Page 31: ...of the cold water sensor and the operating hours of the diverting valve are displayed after the domestic hot water values Temperature of the cold water sensor By pressing SET the respective min max values are displayed Operating hours of the diverting valve By pressing SET the delta value and the summed value of the operating hours are displayed alternately Note In cascade operation mode this func...

Page 32: ...he controller carries out a security query If within 100 s after the start of the comfort function the flow tempe rature has not reached the calculated comfort nominal temperature the comfort function is blocked for one hour The function can only be activated or deactivated You will find instructions regarding the adjustment of the time control on page 33 Measured value display The comfort functio...

Page 33: ...re are lowered and the open bypass valve mixes cooled water from the return with the flow water Depending on the measured tap quantity and the temperature difference between the measured source temperature and the current adjusted DHW temperature the bypass is activated or deactivated Bypass activated if Withdrawal quantity switch on treshold tap quantity AND source temperature THW NOM switch on t...

Page 34: ...re sensor has to be an immersion sensor that is placed at the buffer tank near the connection of the domestic hot water module No further settings are necessary The function can only be activated or deactivated Measured value display The temperature of the buffer tank is displayed in the status menu Note In cascade operation mode this function must only be activated at the master controller This f...

Page 35: ...ng between the modules However if this function is selected it has to be activated in the master and in the slave controller The functions work in both controllers independent from each other Characteristic min max Factory setting Activation on oFF on 9 2 8 Thermal disinfection Warning Danger of scalding due to hot water With the activated function there is the danger of scalding due to hot water ...

Page 36: ...ching points depend on the hydraulics used The following settings are preset The regular change of the modules for an equal use The activation of the second module when the first module has reached 80 of its maximum flow rate The deactivation of the second module when the flow rate falls below the lower limit of 60 30 of the flow rate of each module Condition Performance indicator 1 as per SPF tes...

Page 37: ...modules are activated by the master controller and the circulation pump runs at 100 speed Alarm indication for cascade operation mode In cascade operation mode every module indicates a separate alarm via the relay Rs Bus function for cascade operation mode In cascade operation mode every module indicates a separate data string Heat quantity measurement for cascade operation mode In cascade operati...

Page 38: ...relevant sensor backlighting is red The module keeps running If the error occurs simultaneously at both sensors E 1 and E 2 the control stops 10 Deinstallation and disposal Danger Risk of death by electrocution Disconnect the device from the power supply before opening the casing All work on an open device must be performed by professional personnel 1 Dismount the controller in the reverse sequenc...

Page 39: ...the case All work on an open device must be performed by professional personnel Note The controller is a quality product conceived for years of continuous trouble free operation Observe the following points Faults are often caused by connected components and not by the controller The following notes on fault identification indicate the most common causes of faults Only return the controller when y...

Page 40: ...mperature of domestic hot water was exceeded for a short period no fault Pump symbol does not rotate Display is red flashes Manual mode is switched on output R1 is set to 0 off Switch on operation mode Automatic Pump symbol does not rotate Display flashes red Short circuit or interruption of the temperature sensor Request current values of the connected sensors at the controller Check sensors and ...

Page 41: ...put R1 Possible causes Valve defective Wiring fault Check valve Check the wiring to R1 Output R1 was overloaded Cause The permissible values for R1 specified on the type plate have been permanently exceeded the output has been switched off Check the electrical data of the pump replace pump if necessary R1 is automatically switched on again Short circuit at output R2 Possible causes Valve defective...

Page 42: ...ror only the corresponding func tion will be stopped here the temperature of the buffer tank is no longer displayed Cold water temperature secondary TKW 4 The cold water temperature has no influence on the control In case of an error only the corre sponding function will be stopped here the heat quantity is no longer measured Domestic hot water temperature secondary E 1 T FriwaMini The control sto...

Page 43: ...r 1 Remove the terminal cover 2 Disconnect the temperature sensor 3 Measure the resistance of the temperature sensor with an ohmmeter and compare with the following table Small deviations are acceptable 4 Mount the terminal cover Temperature Resistance assignments Temperature C 30 20 10 0 10 20 30 40 50 60 70 Resistance Ω 882 922 961 1000 1039 1078 1117 1155 1194 1232 1271 Temperature C 80 90 100 ...

Page 44: ...tions are acceptable 4 Mount the terminal cover Assignment tension flow Voltage V 0 5 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 2 869 3 026 3 184 3 342 3 500 Flow l min 22 24 26 28 30 32 34 36 38 40 Assignment voltage temperature Voltage V 0 5 0 8 1 1 1 4 1 7 2 0 2 3 2 6 2 9 3 2 Temperature C 0 10 20 30 40 50 ...

Page 45: ... 3 Measure tension of the flow sensor with voltmeter and compare to table hereafter Small deviations are acceptable 4 Mount the terminal cover Assignment tension flow Voltage V 0 35 0 380 0 506 0 664 0 821 0 979 1 136 1 294 1 451 1 609 1 766 Flow l min 0 Standby 1 5 10 15 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 8...

Page 46: ...5 5 Pt1000 temperature acquisition bus communication for cascading Signal output RS Type Max contact load potential free NO contact 1 0 A 24 V Signal outputs PWM R1 PWM R2 Type Max load PWM 250 Hz 11 V Characteristic 0 PWM Pump off 100 PWM max speed 10 mA Hydraulic variants Number 4 Display Type LCD display with backlighting Application conditions Protection class IP 22 DIN 40050 without front pan...

Page 47: ...gulations there is a 2 year legal guarantee on this product for the customer The seller will remove all manufacturing and material faults that occur in the product during the guarantee period and affect the correct functioning of the product Natural wear and tear does not constitute a malfunction No legal guarantee can be offered if the fault can be attributed to third parties unprofessional insta...

Page 48: ...48 99B138120x mub en 2014 11 V05 EN PAW GmbH Co KG Böcklerstr 11 D 31789 Hameln Germany Phone 49 5151 9856 0 Fax 49 5151 9856 98 E mail info paw eu Web www paw eu ...

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