Samson 5179 - Manuals

The assignment of the control circuits to the mode selector switches depends on the systemcode number (Anl): System (Anl) Mode selector switch Top Middle Bottom 1 Heating circuit 1 Heating circuit 2 Pre-control circuit 2 Heating circuit 1 DHW heating Heating circuit 2 3 Heating circuit 1 Heating cir...

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 contro...

1.5 Setting the controller time The current time and date need to be set immediately after start-up and after a power failurelasting longer than 24 hours. Proceed as follows: Switch to configuration and parameter level.Display: PA1 Select PA5 parameter level. Open PA5 parameter level.Display: Contro...

1.6 Setting the times-of-use Two times-of-use can be set for each day of the week. If just one time-of-use is required, the startand stop times of the second time-of-use must be programmed to identical times. The timeschedules for the three heating circuits, DHW heating and the circulation pump can ...

Activate editing mode for times-of-use.Display: 1–7 Select period/day for which the times-of-use are tobe valid:1–7 = every day,1 = Monday, 2 = Tuesday, ..., 7 = Sunday Activate editing mode for period/day.Display shows: START ; blinks Edit start time (steps of 30 minutes). Confirm start time. Displ...

1.6.2 Entering public holidays On public holidays, the times-of-use specified for Sunday apply. A maximum of 20 public holi-days may be entered. Parameters WE Level / Range of values Public holidays f. heating circuit 1 – PA1 / 01.01 to 31.12 Public holidays f. heating circuit 2 – PA2 / 01.01 to 31....

Note! Public holidays that are not assigned to a specific date should be deleted by the end of the yearso that they are not carried on into the following year. Deleting a public holiday: Select the holiday you wish to delete in the datapoint for public holidays. Confirm selection. Select – – – – . D...

Return to the operating level. Note! Vacation periods that are not assigned to a specific date should be deleted by the end of theyear so that they are not carried on into the following year. Deleting vacation periods: Select the vacation period you wish to delete in the datapoint for vacation perio...

2 Start-up 2.1 Setting the system code number 10 different hydraulic schematics are available. Each system configuration is represented by asystem code number. The different schematics are dealt with in section 4. Available controllerfunctions are described in sections 5, 6 and 7. Changing the syste...

2.2 Activating and deactivating functions A function is activated or deactivated in the associated function block. The numbers 0 to 24 inthe top row of the display represent the respective function block numbers. When a configura-tion level is opened, the activated function blocks are indicated by a...

2.3 Changing parameters Depending on the set system code number and the activated functions, not all parameters listedin the parameter list in the Appendix (–> section 12.2) might be available. The parameters are grouped by topics: 4 PA1: Heating circuit 1 4 PA2: Heating circuit 2 4 PA3: Heating ...

2.3.1 Enter key number Some functions are protected against unintentional or unauthorized access. These functions canonly be activated or deactivated after the valid key number has been entered. The valid keynumber for initial start-up can be found on page 137. To avoid unauthorized use of the keynu...

Note! The sensor values adjusted are not reset by the Loading default settings function. 2.6 Resetting to default values All parameters and function blocks from any parameter level can be reset to their default set-tings (WE). Proceed as follows: Reset to default settings.Function blocks and paramet...

3 Manual operation Switch to manual mode to configure all outputs (see wiring diagram in section 11). Proceed as follows: Position all selector mode switches to + , 0 or – . Select PU pump manual level. Open pump manual level. Select pump PU1 to PU5:PU1: BA11PU2: BA12PU3: BA13PU4: BA14PU5: BA15 Conf...

4 Systems There are 10 hydraulic schematics. System code number (Anl) 1 2 3 4 5 6 7 8 9 10 Heating Outdoor temperature compensated flow temperature control with variable return flow temperature limitation Number of heating circuits 2 2 3 1 2 3 1 2 2 2 No. of heating circuits w. mixing valve 2 2 2 1 ...

System Anl 1 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co2 -> Fb00 = OFF (without RF2) Co2 -> Fb01 = OFF (without RüF2) Co2 -> Fb02 = OFF (without AF2) Co5 -> Fb00 = ON (with VFsek) Co5 -> Fb01 = ON (with RüFp...

System Anl 2 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co2 -> Fb00 = OFF (without RF2) Co2 -> Fb01 = OFF (without RüF2) Co2 -> Fb02 = OFF (without AF2) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) C...

System Anl 3 Default setting Co1 -> Fb00 = OFF (without RF1)* Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co2 -> Fb00 = OFF (without RF2)* Co2 -> Fb01 = OFF (without RüF2) Co2 -> Fb02 = OFF (without AF2) Co5 -> Fb00 = ON (with VFsek) Co5 -> Fb01 = ON (with Rü...

System Anl 4 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) Co4 -> Fb02 = OFF (without RüFTW) Co4 -> Fb03 = ON (with VFS, with VFT) Co5 -> Fb00 = ON (with VFs...

System Anl 5 Default setting Co1 -> Fb00 = OFF (without RF1)* Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) Co4 -> Fb02 = OFF (without RüFTW) Co4 -> Fb03 = ON (with VFS, with VFT) Co5 -> Fb00 = ON (with VF...

System Anl 6 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co2 -> Fb00 = OFF (without RF2) Co2 -> Fb01 = OFF (without RüF2) Co2 -> Fb02 = OFF (without AF2) Co3 -> Fb00 = OFF (without RF3) Co3 -> Fb01 = OFF (withou...

System Anl 7 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) Co4 -> Fb02 = OFF (without RüFTW) Co4 -> Fb03 = ON (with VFS, with VFT) Co5 -> Fb00 = ON (with VFs...

System Anl 8 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) Co4 -> Fb02 = OFF (without RüFTW) Co4 -> Fb03 = ON (with VFS, with VFT) Co5 -> Fb00 = ON (with VFs...

System Anl 9 Default setting Co1 -> Fb00 = OFF (without RF1) Co1 -> Fb01 = OFF (without RüF1) Co1 -> Fb02 = ON (with AF1) Co2 -> Fb00 = OFF (without RF2) Co2 -> Fb01 = OFF (without RüF2) Co2 -> Fb02 = OFF (without AF2) Co4 -> Fb00 = ON (with SF1) Co4 -> Fb01 = ON (with SF2) C...

5 Functions of the heating circuit Which controller functions are available depends on the selected system code number (Anl). 5.1 Functioning principle The heating circuit with the highest flow set point has priority. This principle applies to all heat-ing circuits with mixing valves. In systems Anl...

If just one outdoor sensor should be connected, connect it to AF1. This outdoor temperature isthen used also for HK2 and HK3. 5.2.1 Gradient characteristic Basically, the following rule applies: a decrease in the outdoor temperature causes the flow tem-perature to increase. By varying the Gradient a...

The Max. flow temperature and Min. flow temperature parameters mark the upper and lower lim- its of the flow temperature. Functions WE Configuration 4-point characteristic OFF Co1, 2, 3 -> Fb10 = ON 4-point characteristic OFF Co4 -> Fb03 = ON (Anl 3, 5, 8 and 10) Parameters WE Parameter level ...

Note!The 4-point characteristic function can only be activated when the Adaptation function is not active (Co1, 2, 3 -> Fb07 = OFF). 5.3 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 ...

Function WE Configuration Differential temperature control using variableweighting factors OFF0.5200 s20 °C90 %30 % Co1, 2, 3 -> Fb18 = ONProportional gain factor K P /0.1 to 999 Reset time T N / 1 to 999 s Intended temp. difference / 0 to 40 °CAnalog value max. / 0 to 100 %Analog value min. / 0 ...

When the outdoor temperature falls below this value (less 0.5 °C hysteresis), heating operation isrestarted immediately. With the default settings, this means that, at night, the system is switched off at an outdoor tem-perature of 10 °C to save energy. Nevertheless, remember that the system require...

Note! Summer mode only becomes effective when the controller is in automatic mode ( ). 5.6 Delayed outdoor temperature adaptation The calculated outdoor temperature is used to determine the flow temperature set point. Theheat response is delayed when the outdoor temperature either decreases, or incr...

5.8 Remote operation Apart from measuring the room temperature, the Type 5244 Room Sensor (PTC sensor) andType 5257-5 Room Sensor (Pt 1000 sensor) offer the following options to influence the controlprocess: 4 Selection of the operating mode: Automatic mode · Day mode · Night mode 4 Set point correc...

There are two types of optimization depending on the activation conditions: 4 Outdoor temperature-dependent advance heating, room temperature-dependent deacti-vation The controller activates the heating depending on the outdoor temperature before thetime-of-use starts in normal operation. The Advanc...

Parameters WE Parameter level / Range of values Day set point 20 °C PA1, 2, 3 / 10 to 90 °C Night set point 17 °C PA1, 2, 3 / 10 to 90 °C Sustained temperature 10 °C PA1, 2, 3 / 10 to 90 °C 5.10 Flash adaptation Direct reactions to deviations in room temperature can be achieved using the function bl...

Parameter WE Parameter level / Range of values Day set point 20 °C PA1, 2, 3 / 10 to 90 °C 5.12 Room temperature-dependent control In systems Anl 6 and 9, the Room temperature-dependent control function can be separately activated for each heating circuit. The Room sensor function must be activated ...

Functions WE Configuration Room sensor RF1, 2, 3 OFF Co1, 2, 3 -> Fb00 = ON Room temperature dependent control OFF Co1, 2, 3 -> Fb06 = ON Parameter optimization OFF Co1, 2, 3 -> Fb16 Flow sensor OFF when room temperaturedependent control is used OFF Co1, 2, 3 -> Fb17 5.13 Pump management...

5.14 Releasing the heating circuit The release of the heating circuit in automatic mode is a default setting after the time schedulehas been programmed. In addition, it is possible to release the heating circuit over the corre-sponding potentiometer inputs. When no signal exists at these inputs and ...

6 Functions of the DHW circuit 6.1 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 DHW demand ON by 0.1 °C. If the flow temperature in the system is higher t...

The Mixing valve always active function allows the heat exchanger to maintain the charging temperature using the mixing valve. The heat exchanger charging pump remains switched onand the return flow temperature is not limited outside the times-of-use. When the flow sensor VFS is active, the set poin...

Parameters WE Parameter level / Range of values DHW demand ON 40 °C PA4 / 20 to 90 °C DHW demand OFF 45 °C PA4 / 20 to 90 °C Charging temperature 55 °C PA4 / 20 to 90 °C Heat exchanger charging pumpdeactivation limit 50 °C PA4 / 20 to 90 °C Storage tank charging pumpdeactivation limit 50 °C PA4 / 20...

Parameters WE Parameter level / Range of values DHW demand ON 40 °C PA4 / 20 to 90 °C Hysteresis 5 °C PA4 / 0 to 30 °C Charging temperature 55 °C PA4 / 20 to 90 °C Storage tank charging pumpdeactivation limit 50 °C PA4 / 20 to 90 °C 6.3 Priority operation In many district heating systems with primar...

6.3.2 Set-back operation In all systems with DHW heating and at least one heating circuit with control valve, DHW heat-ing can be given priority by applying set-back operation. The charging temperature can bemonitored with the setting Co4 -> Fb06 = OFF and Activate priority in case of deviation &...

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 Sundayin October at 3.00h. Function WE Configuration Summer time/winter time changeover ON Co5 -> Fb05 = ON 7.2 Frost protection The Fr...

Function WE Configuration Return flow sensor RüF1, 2, 3 OFF1.0 Co1, 2, 3 -> Fb01 = ONLimitation factor / 0 to 25.5 Parameters WE Parameter level / Range of values Max. return flow temperature 65 °C PA1, 2, 3 / 20 to 90 °C Min. return flow temperature 20 °C PA1, 2, 3 / 20 to 90 °C In systems with ...

7.5 Condensate accumulation control Activate the Condensate accumulation control function to start up condensate accumulation plants, in particular to avoid problematic excess temperatures. The controller response to setpoint deviations which cause the primary valve to open is attenuated. The contro...

7.7 Three-step control The flow temperature can be controlled using a PI algorithm. The valve reacts to pulses that thecontroller emits when a system deviation occurs. The length of the first pulse, in particular, de-pends on the extent of the system deviation and the selected Proportional gain K P ...

Functions WE Configuration Continuous-action control for heating circuit OFF 0.5200 s0 s Co1, 2, 3 -> Fb14 = ONK P (gain) / 0.1 to 50.0 T N (reset time) / 1 to 999 s T V (derivative-action time) / 0 to 999 s Continuous-action control for DHW heating OFF0.5200 s0 s Co4 -> Fb14 = ONK P (gain) / ...

A heat meter with pulse output connected at input V max (terminal 30) can be used either to limit the system flow rate (parameter code: U) or the system capacity (parameter code: P). The pulseweighting of the heat meter (WMZ) and the type of limitation selected must be entered. The dis-played value ...

Settings for flow rate limitation Functions WE Configuration Limitation of heat meter (WMZ) OFF Co5 -> Fb08 = OFF Pulse input for flow rate or capacity limitation OFF 10 Co5 -> Fb09 = ON, select: U CONST: Limitation constant 4-Pt: Limitation acc. to4-point characteristic Pulse weighting / 0.1 ...

8 Operational faults Malfunctions or faults are indicated by the icon blinking on the display. Error immediately appears on the display. Press the enter key to open the error level. It may be possible to viewseveral error alarms by pressing the enter key. As long as an error alarm is present, the er...

4 Room sensor RF: Upon failure of the room sensor, the controller functions according to the settings for operation without a room sensor. For example, optimized operation is switchedover to reduced operation. Adaptation operation is interrupted. The last determined heatingcharacteristic is not chan...

8.3 Temperature monitoring The flow temperature and the room temperature can be monitored for any deviations. This func-tion is activated in Co5 -> Fb20. The controller issues an alarm when: 4 the flow temperature deviates from its set point by more than 10 °C for more than 30minutes 4 the room t...

8.4 Monitoring the input terminals for limit violations The controller provides the option to apply limits (in % of measuring range) to two selected in-puts (temperature sensor or analog inputs) and to issue an alert to a higher-level control systemby writing in the error status register. Directly a...

8.5 Error status register The HR 60 and HR 61 error status registers (holding register - 16-bit) are used to indicate con-troller or system errors. HR 60 contains general alarms, whereas special faults are entered inHR 61. In modem mode (Co9 -> Fb01 = ON), the change in state of HR 60 or HR 61 ca...

8.6.1 Sending text message in case of a fault alarm Currently, text messages can only be sent to the German D1 network. The corresponding accessnumbers into the D1 network as well as the mobile phone number of the recipient must be set inthe PA9 level: 4 D1 access number: 0171 252 10 02 (add 0 in fr...

9 Communication Using the serial system bus interface, the TROVIS 5179 District Heating Controller can commu-nicate with a building control system. In combination with a suitable software for process visual-ization and communication, a complete control system can be implemented.The following communi...

9.1 RS-232-C system bus interface 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 t...

Functions WE Configuration Modem OFF Co9 -> Fb01 = ON Modem dialing procedure OFF Co9 -> Fb02 Lock dial-up OFF Co9 -> Fb03 Dial-up also upon corrected fault OFF Co8 -> Fb00 Parameters * WE Parameter level / Range of values Station address (ST.-NR) 255 PA9 / 1 to 247 (1 to 999 with Co9 -&...

Functions WE Configuration Modbus ON Co9 -> Fb00 = ON Modem OFF Co9 -> Fb01 = OFF Modbus 16-bit addressing OFF Co9 -> Fb04 Parameters * WE Parameter level / Range of values Station address (ST.-NR) 255 PA9 / 1 to 247 (1 to 999 with Co9 -> Fb04 = ON) Baud rate (BAUD) 9600 PA9 / 300 to 192...

Note! The initialization settings described here are indispensable for operation on a dial-up modem.Nevertheless, it cannot be guaranteed that data are transferred after the initialization settingshave been adjusted. Due to the broad range of modems available on the market and the differ-ent command...

4 Flow temperature (b, °C) 4 Return flow temperature (b, °C) 4 Meter identification number (L without enter key, H with enter key) 4 Meter bus address (sent by WMZ) (A, –) Blinking values in combination with black squares in the top row of the display (fault status ofthe associated meter –> TV-SK...

4 A system with simultaneous room heating and DHW heating requires maximum energy. 4 A system with a fully charged storage tank which performs only room heating requires lessenergy. 4 A system which suspends room heating during DHW heating requires less energy. As a result, three different maximum l...

Outdoor temperature Point 1 Point 2Point 3Point 4 –15 °C– 5 °C 5 °C 15 °C PA5 /–30 to 90 °C Maximum limit of flow rate, points 1 to 4 9 m 3 /h PA5 / 0.01 to 99.9 m 3 /h 9.5 LON communication Note! The following section only applies to devices with LON interface and CO7 -> Fb00 = ON.On connecting ...

9.6 Requesting/processing an external demand Requesting an external demand The flow temperature set points can be passed on over the LON network in complex heating sys-tems. The external flow set point is compared with the controller’s own flow set point. The higherof the two flow set points is pass...

Note! In controllers with a firmware version lower than 1.05, the master controller receives the Subnet1 address and node address 1 and is the decisive controller in LON network terms. It is the onlycontroller that can send alarms over a modem. 9.7 Sending outdoor temperatures and controller time Tw...

10 Installation The controller consists of the housing with the electronics and the back panel with the terminals.It is suitable for panel, wall, and top hat rail mounting (Fig. 9). Panel mounting 1. Remove both screws (1).2. Pull apart the controller housing and back panel.3. Make a cut-out of 138 ...

62 15 42 57 1 2 2 3 4 5 5 Fig. 9 · Installation Wall mounting Panel mounting Controller housing Back of the controller Top hat rail mounting EB 5179 EN 89 Installation

11 Electrical connection Caution! For electrical installation, you are required to observe the relevant electrotechnical regulationsof 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 o...

12 Appendix 12.1 Function block lists Co1 to Co3: Heating circuit 1 to 3 Fb Function WE Anl CommentsFunction block parameters / Range of values (default settings) 00 Room sensor RF1, 2, 3 OFF All Co1, 2, 3 -> Fb00 = ON: Room sensor activeIn systems Anl 3, 5 and 8 only for optimization and display...

Co6: Sensor initialization Fb Function WE Anl CommentsFunction block parameters / Range of values (default setting) 00 Sensor selection general ON All Co6 -> Fb00 = ON: Pt 100; Pt 1000Co6 -> Fb00 = OFF: Pt 100; PTC 01 to 17 Sensor input 1tosensor input 17 OFF All Any sensor inputs that are dif...

Co8: Error initialization Fb Function WE Anl CommentsFunction block parameters / Range of values (default setting) 00 Dial-up also upon corrected fault OFF All CO8 -> Fb00 = ON: Dial-up to the building control stationboth when a fault was detected and a fault was correctedCO8 -> Fb00 = OFF: Di...

FB Function WE CommentsFunction block parameters / Range of values (default setting) 21 to 23 Meter bus #1toMeter bus #3 OFF CO9 -> Fb21, 22, 23 = ON: Function block parameters: Meter bus address WMZ_ / 0 to 255 (255)Model code WMZ_ / P15, PS2, 1434, CAL3, APAtO, SLS (1434)Reading mode WMZ_ / 24h...

12.2 Parameter list PA1 to PA3: Heating circuits HK1 to HK3 Display Parameter designation Range of values (default settings) Gradient of the heating characteristic, flow 0.4 to 3.2 (1.8) Level of the heating characteristic, flow –30 to 30 °C (0 °C) 4-point characteristic Press key to adjust the foll...

Display Parameter designation Range of values (default settings) 4-point characteristicPoint 1: Flow temperatureFlow temperatures of the points 2, 3, 4 are marked by squaresbelow 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 characteris...

Display Parameter designation Range of values (default settings) Copy times-of-use of HK2 for HK3 Only in systems Anl 3, 6 PA4: DHW heating Display Parameter designation Range of values (default settings) DHW demand ON 20 to 90 °C (40 °C) Systems with a storage sensor SF1Co4 -> Fb02 = ON , Fb02 =...

Display Parameter designation Range of values (default settings) DHW demand OFF 20 to 90 °C (45 °C) Charging temperature 20 to 90 °C (55 °C) Heat exchanger charging pump, deactivation limit 20 to 90 °C (50 °C) Lag of heat exchanger charging pump until the heat exchangerflow temperature falls below t...

Display Parameter designation Range of values (default settings) Maximum charging temperature 20 to 120 °C (120 °C) Time schedule of DHW heating 00:00 to 24:00 h Time schedule of circulation pump 00:00 to 24:00 h PA5: Capacity and flow rate limitation Display Parameter designation Range of values (d...

Display Parameter designation Range of values (default settings) Maximum flow rate of the entire system 0.01 to 99.9 m 3 /h (9 m 3 /h) Maximum flow rate of the heating 0.01 to 99.9 m 3 /h (9 m 3 /h) Maximum flow rate of the DHW heating 0.01 to 99.9 m 3 /h (9 m 3 /h) Minimum flow rate(creep limitatio...

Display Parameter designation Range of values (default settings) 4-point characteristic Press key to adjust the following parameters: outdoor temperature,return flow temperature (see page 108),maximum flow rate or maximum capacity. 4-point characteristic:Point 1: Outdoor temperatureOutdoor temperatu...

Display Parameter designation Range of values (default settings) P-offset of the entire system –3000 to 3000 kW (0.0 kW) PA9: Communication Display Parameter designation Range of values (default settings) Station address (ST.-NR) 1 to 247 (255)1 to 999 (255) with Co9 -> Fb04 = ON Baud rate (BAUD)...

12.3 Display The following displays are typical displays that can appear.Icons at the edge of the display may vary depending on the operating mode and how the con-troller is configured; they cannot be shown in this case. Inf1 to Inf3: Heating circuits HK1 to HK3 Display Parameter designation Current...

Display Parameter designation Vacations Press enter key to confirm..The first vacation period is displayed.Press arrow key to scroll between other vacation periods. Inf4: DHW heating Display Parameter designation Charging temperature (supply of heat exchanger) Press enter key to confirm.The set poin...

Display Parameter designation Storage tank temperature at sensor SF2 Press enter key to confirm.The set point is displayed. Storage tank temperature at return flow sensor Press enter key to confirm.The set point is displayed. Control signal for continuous-action control Only with Co4 -> Fb14 = ON...

Inf5: District heating circuit Display Parameter designation Charging temperature Press enter key to confirm.The set point is displayed. Return flow temperature at sensor RüF or RüFprim Press enter key to confirm.The set point is displayed. Valve position Only with Co5 -> Fb16 = ON EB 5179 EN 125...

InF7: LON communication Display Parameter designation Connected LON controller,e.g. a TROVIS 5174 with LON address 2 Press enter key. “FSr“ of the corresponding controller is displayed. Inf8: Error status register/sensor failure Display Parameter designation Error status register FSr 1 Press enter k...

12.4 Sensor resistance tables Resistance values with PTC resistors Type 5224 Outdoor Temperature Sensors, Type 5264 and Type 5265 Flow and Return FlowTemperature 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...

Co9: Modbus and meter bus communication Parameters Range of values Station number (ST.-NR) 1 to 247, 999 Baud rate (BAUD) 300 to 19200 Cyclic initialization (I) 1 to 255 min Modem dial interval between calls (P) 0 to 255 min Modem timeout (t) 0 to 255 min Number of redial attempts (C) 1 to 99 Phone ...

Index 4-point characteristic . . . . . . . . . . . . . . . 40 A Adaptation . . . . . . . . . . . . . . . . . . . . . . 48Advance heating outdoor temperature-dependent . . . . . 45 Arrow keys . . . . . . . . . . . . . . . . . . . . . . . 6Automatic mode . . . . . . . . . . . . . . . . . 7 - 8 B Baud ...