Samson 5476 manual

Automation System 5400 Heating and District Heating Controller TROVIS 5476 Mounting and Operating Instructions EB 5476 EN ® Electronics from SAMSON Fi rmw a re v e rsi o n 2 . 3 x Ed i t io n D ecem b er 2004[...]

Disclaimer of liability We are constantly developing our products and therefore, reserve the right to change the prod - uct or the information contained in this document at any time without notice. We do not assume any liability for the accuracy or completeness of these mounting and operating instructions. Moreover, we do not guarantee that the buy[...]

Contents 1 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1.1 Operating keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1.2 Operating switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2 Operating modes . . [...]

5.10 Pump management . . . . . . . . . . . . . . . . . . . . . . . . . . 48 5.11 Potentiometer input . . . . . . . . . . . . . . . . . . . . . . . . . . 48 6 Functions of the DHW circuit . . . . . . . . . . . . . . . . . . . . . . 49 6.1 DHW heating in the storage tank system . . . . . . . . . . . . . . . . 49 6.2 DHW heating in the storage tank ch[...]

9.1 Controller with RS-232-C port . . . . . . . . . . . . . . . . . . . . . 67 9.2 Controller with serial RS-485 interface . . . . . . . . . . . . . . . . . 68 9.3 Description of communication parameters to be adjusted . . . . . . . . 69 9.4 Meter bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . 70 9.4.1 Activating the meter bus . [...]

1 Operation The controller is ready for use with the temperatures and operating schedules preset by the manufacturer. On start-up, the current time and date need to be set at the controller (–> section 1.5). 1.1 Operating elements The operating controls are located in the front panel of the controller and protected by a Plexi - glas door. 1.1.[...]

1.1.2 Operating switches Heating circuit mode selector switch Automatic mode with switchover between rated operation and reduced operation or standby mode Day mode (rated operation) Night mode (reduced operation) or standby mode Manual operation: Control valve RK1 open - stationary - closes UP1 in operation, no reaction in switch position DHW circu[...]

1.2 Operating modes Day mode (rated operation) Regardless of the programmed times-of-use, the set points relevant for rated operation are used by the controller. Night mode (reduced operation) Regardless of the programmed times-of-use, the set points relevant for reduced operation are used by the controller. Automatic mode During the programmed tim[...]

1.3 Display During operation, the display indicates the current time as well as information about the opera - tion of the controller. The times-of-use are represented by black squares below the row of num - bers at the top of the display. Icons indicate the operating status of the controller. The controller status can be displayed in the operating [...]

1.4 Displaying data Measured values, set points, times-of-use, public holidays and vacation periods as well as tem - peratures of the connected sensors and their set points can be retrieved and displayed in the op - erating level. Proceed as follows: Select value. The various datapoints appear one after the other on the display depending on the con[...]

1.5 Setting the controller time The current time and date need to be set immediately after start-up and after a power failure lasting longer than 24 hours. The time is set in the parameter level. Proceed as follows: Switch to the parameter level. Display: Time, blinks Activate editing mode for the controller time. blinks. Change controller time. Co[...]

1.6 Setting the times-of-use Two times-of-use can be set for each day of the week. If only one time-of-use is required, the start and stop times of the second time-of-use must be programmed to identical times. The times schedules are set for the required control circuits one after the other in the parameter level. Time schedule Display Heating circ[...]

Select datapoint for times-of-use. Display: Activate editing mode for times-of-use. Display: 1–7 Select period/day for which the times-of-use are to be valid: 1–7 = Monday to Sunday 1–5 = Monday to Friday 6–7 = Saturday to Sunday 1 = Monday, 2 = Tuesday, …, 7 = Sunday Activate editing mode for period/day. Display: START; blinks. Edit star[...]

1.6.1 Entering public holidays On public holidays, the times-of-use specified for Sunday apply. A maximum of 20 public holi - days may be entered. The public holidays are set in the parameter level. Set the function block FB6 = ON to make the programmed public holidays also apply to the DHW heating. Parameter WE Range of value Public holidays – C[...]

1.6.2 Entering vacation periods During vacation periods, the controller constantly remains in the reduced operating mode. The system is monitored for frost. A maximum of 10 vacation periods can be entered. The vacation periods are set in the parameter level. Set the function block FB6 = ON to make the programmed vacations also apply to the DHW heat[...]

Deleting vacation periods: Select the vacation period you wish to delete in the datapoint for vacation periods. Confirm selection. Select – – – – . Delete vacation period. 1.7 Correcting temperature set points The room temperature for the heating circuit can be adapted to the actually valid conditions at the correction switch: 4 Slide corre[...]

2 Start-up 2.1 Setting the system code number 10 different hydraulic schematics are available. Each system configuration is represented by a system code number (Anl). The different schematics are dealt with in section 4. Available con - troller functions are described in sections 5, 6 and 7. Changing the system code number resets previously adjuste[...]

Proceed as follows: Switch to the parameter level. Display shows: Time, blinks Switch to the configuration level. Display shows: Current system code number, blink. Select level displaying function blocks 0 to 23 or Select level displaying function blocks 24 to 47. Select function block. Activate editing mode for function block. The function block n[...]

2.3 Changing parameters Depending on the set system code number and the activated functions, not all parameters listed in the parameter list in the Appendix (–> section 12.2) might be available. Proceed as follows: Switch to the parameter level. Display shows: Time, blinks Select parameter. Activate editing mode for parameter. Parameters which[...]

2.5 Calibrating sensors The connected sensors are calibrated in the configuration level. The following applies: 4 FB16 = ON, select “P1000“: Pt 1000 and Pt 100 sensors 4 FB16 = ON, select “ntc“: NTC and Pt 100 sensors 4 FB16 = OFF: PTC and Pt 100 sensors (default setting) The resistance values of the sensors can be found on page 98. If the [...]

Return flow sensor (RüF2) Solar circuit collector sensor (CF) Flow sensor (VF2) Storage tank sensor (SF1–SF2) Flow sensor in DHW circuit (VF3) Activate editing mode for sensor. Correct measured temperature. Read the actual temperature directly from the thermometer at the point of measure - ment and enter this value as the reference temperature. [...]

3 Manual operation Heating circuit and DHW circuit (Anl 9: underfloor heating circuit) can be set to manual mode at their operating mode selector switches. Heating circuit mode selector switch The heating circuit can only be set to manual mode when the DHW/underfloor heating circuit mode selector switch is not positioned at . +0 – Anl 1, 2, 3 UP1[...]

4 Systems 10 hydraulic schematics are available. System code number (Anl) 12345678 9 * 11 Heating Outdoor temperature dependent flow temperature control with variable return flow temperature limitation Mixing control ••• From the primary circuit ••• • From the secondary circuit •• ••• in storage tank system •• •• in [...]

System Anl 1 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 Systems 24 EB 5476 EN[...]

System Anl 2 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = OFF Without SF2 Systems EB 5476 EN 25[...]

System Anl 2, setting different from default setting · With switch valve Setting different from default setting: FB9 = ON, select “US“ FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = OFF Without SF2 Systems 26 EB 5476 EN[...]

System Anl 2, setting different from default setting · With solar system Setting different from default setting: FB15 = ON, select “CF“ FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “CF“ With SF2 Systems EB 5476 EN 27 Solar collector[...]

System Anl 3 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “---“ With SF2 FB27 = OFF Without VF3 Systems 28 EB 5476 EN[...]

System Anl 3, setting different from default setting · With solar system Setting different from default setting: FB15 = ON, select “CF“ FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “CF“ With SF2 FB27 = OFF Without VF3 Systems EB 5476 EN 29 Solar collector[...]

System Anl 4 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB21 = OFF Without RüF2 30 EB 5476 EN Systems[...]

System Anl 4, setting different from default setting · With solar system Setting different from default setting: FB15 = ON FB13 = OFF Without RF FB15 = ON With SF2 FB20 = ON With RüF1 FB21 = OFF Without RüF2 Systems EB 5476 EN 31 Solar collector[...]

System Anl 5 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “---“ With SF2 FB21 = OFF Without RüF2 Systems 32 EB 5476 EN[...]

System Anl 5, setting different from default setting · With solar system Setting different from default setting: FB15 = ON, select “CF“ FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “CF“ With SF2 FB21 = OFF Without RüF2 EB 5476 EN 33 Systems Solar collector[...]

System Anl 6 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 34 EB 5476 EN Systems[...]

System Anl 7 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = OFF Without SF2 EB 5476 EN 35 Systems[...]

System Anl 8 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON With SF2 FB27 = OFF Without VF3 36 EB 5476 EN Systems[...]

System Anl 9 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = OFF Without SF2 EB 5476 EN 37 Systems[...]

System Anl 9, setting different from default setting · With solar system Setting different from default setting: FB15 = ON, select “CF“ FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON, select “CF“ With SF2 38 EB 5476 EN Systems Solar collector[...]

System Anl 11 Default settings FB13 = OFF Without RF FB20 = ON With RüF1 FB14 = ON With SF1 FB15 = ON With SF2 FB21 = OFF Without RüF2 FB27 = OFF Without VF3 EB 5476 EN 39 Systems[...]

5 Functions of the heating circuit Which controller functions are available depends on the selected system code number (Anl). 5.1 Weather-compensated control When weather-compensated control is used, the flow temperature is controlled according to the outdoor temperature. The heating characteristic in the controller defines the flow temperature set[...]

Function WE Configuration Outdoor temperature – Current input OFF FB18 = ON 0: 0 to 20 mA = –20 to 50 °C 4: 4 to 20 mA = –20 to 50 °C 5.1.1 Gradient characteristic Basically, the following rule applies: a decrease in the outdoor temperature causes the flow tem - perature to increase. By varying the Gradient and Level parameters, you can ada[...]

5.1.2 4-point characteristic The 4-point characteristic allows you to define your own heating characteristic. It is defined by 4 points for the Outdoor temperature , the Flow temperature and the Return flow temperature . The Set-back difference at points 2 and 3 indicates how much the flow temperature is reduced outside the times-of-use. The Max. f[...]

Parameters WE WE* Range of values Min. flow temperature 20 °C 20 °C 20 to 130 °C * Default setting applies to system Anl 9, floor heating 5.2 Fixed set point control During the times-of-use, the flow temperature can be controlled according to a fixed set point. Outside the times-of-use, this set point is reduced by the Set-back difference . Both[...]

5.4 Deactivation depending on outdoor temperature 5.4.1 OT deactivation value in rated operation If the outdoor temperature during rated operation exceeds the limit OT deactivation value in rated operation , the affected heating circuit is put out of service immediately. The valve is closed and the pump is switched off after a lag time. When the ou[...]

Function WE Configuration Summer mode OFF 01.06 30.09 18 °C FB3 = ON Start summer mode / 01.01 to 31.12 Stop summer mode / 01.01 to 31.12 Outdoor temperature limit / 0 to 30 °C 5.5 Delayed outdoor temperature adaptation The calculated outdoor temperature is used to determine the flow temperature set point. The heat response is delayed when the ou[...]

have been activated. Refer to page 78 onwards for the wiring diagrams of the room panels. Functions WE Configuration Room sensor RF OFF FB13 = ON Potentiometer input 1 to 2 k Ω OFF FB24 = OFF 5.7 Optimization This function requires the use of a room sensor. Depending on the building characteristics, the controller determines and adapts the require[...]

5.8 Flash adaptation The function is only active in automatic mode ( ). Direct reactions to deviations in room temperature can be achieved using the function block set - ting: FB2 = ON. A gradient characteristic (FB19 = OFF) must be configured. Flash adaptation counteracts room temperature deviations by increasing or decreasing the level of the hea[...]

5.10 Pump management The Pump management function can be used for the heating circuit (circulation pump UP1). The binary outputs BA8 and BA9 should always be used to control the operation of this pump when - ever a speed-controlled pump is implemented in the heating circuit: 4 BA8 switches the pump on/off 4 BA9 releases the speed control in rated o[...]

6 Functions of the DHW circuit 6.1 DHW heating in the storage tank system Start storage tank charging The controller begins charging the storage tank when the water temperature measured at sen- sor SF1 falls below the set point DHW heating ON or the temperature adjusted at the storage tank thermostat: DHW heating from the secondary circuit (Anl 2, [...]

DHW heating from the primary circuit (Anl 4): The control valve opens depending on the DHW temperature from its closed position. Stop storage tank charging The controller stops charging the storage tank when the water temperature in the storage tank measured at sensor SF1 reaches the value T = DHW heating ON + Hysteresis . In systems with two stora[...]

6.2 DHW heating in the storage tank charging system Start storage tank charging The controller begins charging the storage tank when the water temperature measured at sen- sor SF1 falls below the set point DHW heating ON or the temperature adjusted at the storage tank thermostat: DHW heating from the secondary circuit (Anl 3, 8): If the flow temper[...]

Stop storage tank charging The controller stops charging the storage tank when the water temperature in the storage tank measured at sensor SF1 reaches the value T = DHW heating ON + Hysteresis . In systems with two storage tank sensors, the controller stops charging the storage tank when the water temper - ature in the storage tank measured at sen[...]

6.3 DHW heating with solar system (Anl 2, 3, 4, 5 und 9) The systems Anl 2, 3, 4, 5 and 9 include a solar system for DHW heating. In these systems, the difference between the temperatures measured at storage sensor SF2 and the sensor at the so - lar collector CF is determined. The Solar pump ON parameter determines the minimum temper - ature differ[...]

6.5 Circulation pump operation during storage tank charging With the setting FB26 = ON, the circulation pump continues operation according to the pro - grammed time schedule even during storage tank charging. With the setting FB26 = OFF, the circulation pump is switched off as soon as the storage tank charging pump is activated. The circulation pum[...]

Once a parallel pump operation cycle has been activated and the time for Stop parallel opera - tion has elapsed, system deviations greater than 5 °C cause the controller to suspend parallel operation for 10 minutes and to apply priority operation. Function WE Configuration Parallel pump operation OFF 10 min FB9 = ON, PU Stop parallel operation / 2[...]

Set-back difference by set-back of the current flow temperature. The amount of time in which the priority for the DHW circuit is given is set in the Priority in case of deviation parameter. Function WE Configuration Priority for DHW circuit OFF 10 min FB8 = ON, Ab Priority in case of deviation / 2 to 10 mi n 6.10 Forced charging of the DHW storage [...]

7 System-wide functions 7.1 Automatic summer time/winter time changeover The clock is automatically adjusted on the last Sunday in March at 2.00h and on the last Sunday in October at 3.00h. Function WE Configuration Summer time/winter time changeover ON FB5 = ON 7.2 Frost protection When outdoor temperatures below 3 °C occur, the heating circulati[...]

The measured temperature reading (return flow temperature) and the set point reading (flow temperature of the heating, charging temperature) blink to indicate that a return flow limitation is active in the control circuit concerned. In systems Anl 2, 3, 7, 8 and 9, the Return flow limita - tion temperature parameter during DHW heating is used for l[...]

7.5 Condensate accumulation control Activate the Limitation of the system deviation for OPEN signal function to start up condensate accumulation plants, in particular to avoid problematic excess temperatures. The controller re - sponse to set point deviations which cause the primary valve to open is attenuated. The control - ler response to set poi[...]

7.7 On/off control The flow temperature can be controlled by an on/off signal. The controlled valve is opened when the flow temperature falls below the set point by T = 0.5 x Hysteresis . When the flow tem - perature exceeds the set point by T = 0.5 x Hysteresis , the control valve is closed. The greater the Hysteresis selected, the lower the switc[...]

Note! The function cannot be selected in systems Anl 4, 5 and 9 with solar system and in system Anl 11 with VF3. 7.10 Flow rate/capacity limitation Flow rate/capacity limitation can be implemented based on a pulse or standardized signal of 0/4 to 20 mA provided by the heat meter. This only applies in plants without solar system. Par - ticularly whe[...]

Functions WE Configuration Current input for flow rate measurement OFF FB22 = OFF Flow rate or capacity limitation OFF 500 pulse/h 1.0 500 pulse/h 1.0 FB23 = ON Max. limit / 3 to 500 pulse/h Limiting factor / 0.1 to 10 Max. limit for DH W/3t o5 0 0 pulse/h Limiting factor / 0.1 to 10 7.10.2 Limitation using 0/4 to 20 mA signal A connected heat mete[...]

switches were set to “Night mode” or Heating circuit(s) deactivated” or “DHW heating un - changed”. Function WE Configuration Locking manual levels OFF FB34 = ON 7.12 Setting a customized key number Switch to the parameter level. Display shows: Time, blinks Switch to the configuration level. Display shows: Currently valid system code numb[...]

8 Operational faults Malfunctions or faults are indicated by the icon blinking on the display. 8.1 Sensor failure The following list explains how the controller responds to the failure of the different sensors. Safety functions such as frost protection and excess temperature protection no longer work when a sensor fails. 4 Outdoor sensor AF : When [...]

8.3 Temperature monitoring Should a deviation arise in a control circuit that is greater than 10 °C for longer than 30 min - utes, the bit D12 is automatically set in the error status register. If this function is not required, configure FB36 = ON, select “steig“ and leave the input BE8 unswitched. 8.4 Error status register The error status re[...]

Example of a transfer to the control system: The error status register is transferred as a word <w> in a holding register (HR) whose value is calculated as follows: <w> = D_0 + D_1 + … + D_15 = 2 0 + 2 1 + … + 2 15 9 Communication Using the serial system bus interface, the TROVIS 5476 Heating Controller can communicate with a buildi[...]

9.1 Controller with RS-232-C port The system bus connection is located at the back of the controller housing (RJ-12 jack). In this case, the controller can be connected either directly to the serial interface of a PC (point-to-point connection) or to a (dial-up) modem. A dial-up modem is required if the control - ler is to be connected to the telec[...]

Functions WE Configuration Modem operation OFF 8 bit 30 min 5 min 5 min PULS – FB44 = ON 8 bit/16 bit Cyclical initialization In* / 0 to 255 min Dialing pause to GLT PA* / 0 to 255 min Modem timeout t 0 * / 0 to 99 min Dial procedure / PULS/ton Phone no. of control station GLT* Alternative recipient OFF 5 – FB46 Number of dialing attempts An* /[...]

If you wish to use more than 32 devices in line or need to bridge greater distances, make sure repeaters (e.g. TROVIS 5482) are installed to replicate the signal. With 8-bit addressing, a maximum of 246 devices can be addressed and connected to a bus. Warning! You are required to follow the relevant standards and regulations concerning lightning an[...]

Modem time-out (t 0 ) When the controller connects to the GLT but without addressing a Modbus data point, the con - nection is closed after the time specified for Modem time-out has elapsed. If the error status reg - ister has not been read during the GLT connection, the controller dials up to the GLT again after the Dialing pause to the control st[...]

Note! A 15 V DC supply voltage (+15 V at terminal 15 connected to the meter bus connection terminal 3) can be used at the WMZ connection of TROVIS 5476 Controller when the red jumper on the back of the controller is located pointing towards the edge of the controller (Fig. 8). Otherwise, the meter bus module in the heat meter is supplied. Furthermo[...]

for details on which listed heat meters fulfill this criterion and can be used for limitation pur - poses. In case of battery-operated heat meters in particular, please note that some makes react with communication intervals if they are polled too frequently. Other makes could use up their bat - teries too quickly. The technical documentation TV-SK[...]

Function WE Configuration Flow rate limitation OFF 2.0 m h 3 2.0 m h 3 2.0 m h 3 2.0 m h 3 1.0 FB30 = ON At/--- Maximum limit / 0.01 to 650 m h 3 Maximum limit for heating* / 0.01 to 650 m h 3 Maximum limit for DHW / 0.01 to 650 m h 3 Minimum limit/ 0.01 to 650 m h 3 Limiting factor / 0.1 to 10.0 * Does not need to be set on selecting “At“ Para[...]

Parameter * WE Range of values * Parameter only needs setting with FB31 = ON, select “At“ 9.5 Memory module The use of a memory module (accessory no. 1400-7142) is particularly useful to transfer all data from one TROVIS 5476 Controller to several other TROVIS 5476 Controllers. The memory module is plugged into the RJ-12 jack integrated into th[...]

EB 5476 EN 75 Installation Fig. 9 · Installation Panel mounting Wall mounting Top hat rail mounting Back of the controller 2 Controller housing 2 1 Dimensions in mm: W x H x D = 144 x 96 x 125[...]

11 Electrical connection Caution! For electrical installation, you are required to observe the relevant electrotechnical regulations of the country of use as well as the regulations of the local power suppliers. Make sure all electri - cal work is performed by trained and experienced personnel! Notes on installing the electrical connections 4 Insta[...]

Connecting the sensors Cables with a minimum cross-section of 2 x 0.5 mm² can be connected to the terminals at the back panel of the housing. Connecting the actuators Connect cables with at least 1.5 mm² suitable for damp locations to the terminals of the control - ler output. The direction of travel needs to be checked at start-up. 4 Set slide s[...]

Systems Anl 1 to 3 System Anl 4 78 EB 5476 EN Electrical connection Option: Type 5244 Type 5257-5 Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel Option: Type 5244 Type 5257-5 Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel[...]

Systems Anl 5 to 7 System Anl 8 EB 5476 EN 79 Electrical connection Option: Type 5244 Type 5257-5 Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel Option: Type 5244 Type 5257-5 Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel[...]

System Anl 9 System Anl 11 80 EB 5476 EN Electrical connection Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel Option: Type 5244 Type 5257-5 Potentiometer 1 to 2 k Ω 1) Free 2) For 0 to 20 mA 50 Ω connected in parallel Option: Type 5244 Type 5257-5[...]

12 Appendix 12.1 Function block list FB Function WE Anl Comments 0 Optimization OFF FB0 = ON: Optimization active; when FB0 = ON also FB13 = ON 1 Adaptation OFF FB1 = ON: Adaptation active; when FB1 = ON also FB13 = ON 2 Flash adaptation OFF FB2 = ON: Flash adaptation active; when FB2 = ON also FB13 = ON 3 Summer mode OFF FB3 = ON: Summer mode acti[...]

FB Function WE Anl Comments 9 Parallel pump operation OFF 2, 3, 9 FB9 = ON: Parallel pump operation Select (Anl 2 and 9): PU: Parallel pump operation US: Operation with switchover valve Function block parameter (on selecting: US): Stop parallel oper. in case of deviation / 2 to 10 min (10 min) FB9 = OFF: Intermediate heating after 20 min Select (FB[...]

FB Function WE Anl Comments 16 Sensor selection OFF All FB16 = ON; select: P1000: Pt 1000 and Pt 100 sensors* ntc: NTC and Pt 100 sensors* FB16 = OFF: PTC and Pt 100 sensors* * A mixture of both types of sensor is possible 17 Control mode three-step RK2 ON 4, 5, 6, 7, 8, 9, 11 FB17 = ON: Three-step signal control mode Function block parameters : K [...]

FB Function WE Anl Comments 22 Current input for flow rate measurement OFF All FB22 = ON: Current input active Select: 0: 0 to 20 mA signal feedforwarding 4: 4 to 20 mA signal feedforwarding A 50- Ω resistor must be connected to terminals 15 (+) and GND (terminals ½) in parallel to the current signal FB22 = OFF: Pulse input active Setting only po[...]

FB Function WE Anl Comments 29 (5) Meter bus OFF All FB29 = ON: Meter bus communication activated Function block parameters WMZ 1 to 3: Meter bus address / 0 to 255 (WMZ1: 254; WMZ2, 3: 255) Model code / 1434, CAL3, APAtO, SLS (1434) Reading mode / 24h, Cont CoiL (Cont) Setting only possible after entering key number! 30 (6) Flow rate limitation OF[...]

FB Function WE Anl Comments 36 (12) to 43 (19) BE8 to BE1 All FB36 to 43 = ON: Binary input in error status register Select: StEIG: Fault indicated by rising edge/make contact FALL: Fault indicated by negative edge/break contact 44 (20) Modem operation OFF All Select: 8-bit: 8-bit addressing 16-bit: 16-bit addressing FB44 = ON: Modem function activ[...]

12.2 Parameter list Display Parameter designation Range of values (default values) Gradient, flow 0.2 to 3.2 (1.8) Level, flow –30 to 30 °C (0 °C) 4-point characteristic Press key to set parameters outdoor temperature, points 1 to 4 flow temperature, points 1 to 4 return flow temperature, points 1 to 4 flow rate, points 1 to 4, capacity, points[...]

Display Parameter designation Range of values (default values) 4-point characteristic, flow temperature Flow temperatures of the points 2, 3, 4 are marked by squares below the numbers 2, 3, 4 20 to 130 °C (point 1: 70 °C, point 2: 55 °C, point 3: 40 °C, point 4: 25 °C) 4-point characteristic, return flow temperature Return flow temperatures of[...]

Display Parameter designation Range of values (default values) Maximum flow temperature 20 to 130 °C (90 °C) Minimum flow temperature 20 to 130 °C (20 °C) Set-back difference 0 to 50 °C (15 °C) OT deactivation value in reduced operation –10 to 50 °C (15 °C) Room set point 0 to 40 °C (20 °C) EB 5476 EN 89 Appendix 0 1 2 3 4 5 6 7 8 9 10 [...]

Display Parameter designation Range of values (default values) Reduced room set point 0 to 40 °C (17 °C) Sustained temperature 0 to 40 °C (15 °C) Gradient of the heating characteristic, return flow 0.2 to 3.2 (1.2) Can only be set after entering the key number! Level, return flow –30 to 30 °C (0 °C) Can only be set after entering the key nu[...]

Display Parameter designation Range of values (default values) Min. return flow temperature 20 to 90 °C (65 °C) Can only be set after entering the key number! OT deactivation value in rated operation 0 to 50 °C (22 °C) Times-of-use for heating circuit –> section 1.6 Public holidays –> section 1.6.1 Vacations –> section 1.6.2 EB 5[...]

Display Parameter designation Range of values (default values) System Anl 9, underfloor heating circuit Gradient, flow 0.2 to 3.2 (0.8) Level, flow –30 to 30 °C (–5 °C) 4-point characteristic Press key to set parameters outdoor temperature, point 1 to 4 flow temperature, point 1 to 4. 4-point characteristic, outdoor temperature Outdoor temper[...]

Display Parameter designation Range of values (default values) 4-point characteristic, flow temperature Flow temperatures of the points 2, 3, 4 are marked by squares below the numbers 2, 3, 4. 20 to 130 °C (point 1: 50 °C, point 2: 40 °C, point 3: 35 °C, point 4: 20 °C) 4-point characteristic, set-back difference Set-back difference of point 3[...]

Display Parameter designation Range of values (default values) Times-of-use for underfloor heating circuit –> section 1.6 DHW heating DHW heating ON 20 to 90 °C (45 °C) With systems Anl 2, 3, 5, 7, 8, 9 and 11 without solar circuit with a storage tank sensor SF1 Hysteresis 0 to 30 °C (5 °C) DHW heating ON 20 to 90 °C (45 °C) With systems[...]

Display Parameter designation Range of values (default values) DHW heating OFF 20 to 90 °C (50 °C) With systems Anl 2, 3, 5, 7, 8, 9 and 11 with two storage tank sensors SF1 and SF2 DHW set point 20 to 90 °C (55 °C) Anl 4 Anl 6 Charging temperature 20 to 90 °C (55 °C) End charging process 20 to 90 °C (53 °C) Return flow limitation temperatu[...]

Display Parameter designation Range of values (default values) Heat exchanger inlet temperature limit 20 to 130 °C (120 °C) Time schedule for DHW heating –> section 1.6 Time schedule for circulation pump –> section 1.6 Solar circuit pump ON 0 to 30 °C (10 °C) Solar circuit pump OFF 0 to 30 °C (2 °C) 96 EB 5476 EN Appendix 0 1 2 3 4 [...]

Display Parameter designation Range of values (default values) Solar charging OFF 20 to 90 °C (70 °C) Station address (ST-NO) 1 to 247, 8 bit (255) 1 to 999, 16 bit (255) Baud rate (BAUD) 150 to 9600 (9600) EB 5476 EN 97 Appendix 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ST .-NR 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1[...]

12.3 Sensor resistance tables Resistance values with PTC resistors Type 5224 Outdoor Temperature Sensors, Type 5264 and Type 5265 Flow and Return Flow Temperature Sensors, Type 5264 Storage Tank Temperature Sensors °C –20 –10 0 10 20 25 30 40 50 60 70 80 90 100 110 120 Ω 694 757 825 896 971 1010 1050 1132 1219 1309 1402 1500 1601 1706 1815 19[...]

12.4 Technical data Inputs 7 configurable inputs for sensors (Pt 100 and PTC or Pt 100 and Pt 1000 or Pt 100 and NTC) or binary alarms 1 outdoor temperature input for sensor or current signal 4 (0) to 20 mA 1 flow temperature sensor input Sensor inputs Binary inputs BE1 optionally for releasing a control circuit or external demand BE5 configurable [...]

12.5 Customer data Station Operator Relevant SAMSON office System code number Function block settings 0123456789 1 0 1 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 Function block parameter settings Function block parameters Range of values Start summer mode (FB3 = ON) Freely configura[...]

Function block parameters Range of values Pump lag time (FB10 = ON) 1 x T Y to 10 x T Y Hysteresis (FB10 = AUS) 1 to 30 °C Max. system deviation (FB11 = ON) 2 to 10 °C Max. system deviation (FB12 = ON) 2 to 10 °C Proportional gain K P (FB17 = ON) 0.1 to 50 Reset time T N (FB17 = ON) 1 to 999 s Valve transit time T Y (FB17 = ON) 15 to 240 s Hyste[...]

Function block parameters Range of values Maximum limit (FB31= ON) 0.1 to 6000 kW Maximum limit for heating (FB31 = ON) 0.1 to 6000 kW Maximum limit for DHW (FB31 = ON) 0.1 to 6000 kW Limiting factor 0.1 to 10 Binary input BE8 in error status register (FB36 = ON) Rising/negative Binary input BE7 in error status register (FB37 = ON) Rising/negative [...]

Parameters Range of values Set-back difference – – 0 to 50 °C Max. flow temperature 20 to 130 °C Min. flow temperature 20 to 130 °C Set-back difference 0 to 50 °C OT deactivation value in red. operation –10 to 50 °C Room set point 0 to 40 °C Reduced room set point 0 to 40 °C Sustained temperature 0 to 40 °C Gradient, return flow 0.2 t[...]

Parameters Range of values Return flow limitation temperature during DHW heating 20 to 90 °C Heat exchanger inlet temp. limit 20 to 130 °C Solar circuit pump ON 0 to 30 °C Solar circuit pump OFF 0 to 30 °C Solar charging OFF 20 to 90 °C Station address 1 1 to 247, 8 bit to 999, 16 bit Baud rate 150 to 9600 Time schedules for heating circuit an[...]

Time schedules for DHW circuit and circulation pump DHW circuit Circulation pump Start – Stop (1) Start – Stop (2) Start – Stop (1) Start – Stop (2) Monday (1) Tuesday (2) Wednesday (3) Thursday (4) Friday (5) Saturday (6) Sunday (7) EB 5476 EN 105 Appendix Frequently used abbreviations AF Outdoor sensor Anl System BA Binary output BE Binar[...]

106 EB 5476 EN Appendix Key number 1732[...]

EB 5476 EN 107 Appendix[...]

Index 4-point characteristic . . . . . . . . . . . . . . . 42 A Adaptation . . . . . . . . . . . . . . . . . . . . . . 47 Automatic mode. . . . . . . . . . . . . . . . . . . . 8 B Baud rate . . . . . . . . . . . . . . . . . . . . . . . 69 Binary input BE1 . . . . . . . . . . . . . . . . . . 60 C Calibrating sensors. . . . . . . . . . . . . . . . . [...]

I Installation Panel mounting. . . . . . . . . . . . . . . . . 74 Top hat rail mounting . . . . . . . . . . . . 74 Wall mounting . . . . . . . . . . . . . . . . . 74 Interface Meter bus. . . . . . . . . . . . . . . . . . . . . 70 RS-232-C . . . . . . . . . . . . . . . . . . . . . 67 RS-485 . . . . . . . . . . . . . . . . . . . . . . 68 Intermediate[...]

S Sensor calibration . . . . . . . . . . . . . . . . . 20 Sensor failure . . . . . . . . . . . . . . . . . . . . 64 Set-back operation priority through . . . . . . . . . . . . . . . . 55 Start-up . . . . . . . . . . . . . . . . . . . . . 17 - 21 Station address . . . . . . . . . . . . . . . . . . . 69 Summer mode . . . . . . . . . . . . . . . . . .[...]

EB 5476 EN 111[...]

112 EB 5476 EN Fig. 11 · Level structure of TROVIS 5476 or Operating level (refer to section 1 for operation) or Parameter level (refer to section 2) or Configuration level (refer to section 2) 00:00 Temperatures Heating Time schedule Heating Public holidays and vacations Temperatures DHW Time schedule DHW 00:00 Data Heating Data DHW Modbus parame[...]

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SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 Internet: http://www.samson.de EB 5476 EN 2007-09[...]