s Room thermostat with KNX communications RDG100KN Basic Documentation Edition: 1.
Contents 1. About this document ..............................................................................4 1.1 Revision history.........................................................................................4 1.2 Reference documents ...............................................................................4 1.3 1.3.1 1.3.2 1.3.3 Before you start .........................................................................................5 Copyright .....................................
.11 3.11.1 3.11.2 3.11.3 3.11.4 3.11.5 3.11.6 3.11.7 3.11.8 KNX communications..............................................................................52 S-mode....................................................................................................52 LTE mode................................................................................................52 Zone addressing in LTE mode (in conjunction with Synco) ....................53 Example of heating and cooling demand zone..............
1. About this document 1.1 Revision history Edition Date Changes 1.0 07 Jun 2010 First edition 1.2 Subject Ref Room thermostats with KNX [1] communications, [2] RDG100KN [3] KNX Manual [4] Synco and KNX (see www.siemens.com/synco) [5] [6] [7] DESIGO engineering documents [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] Section Pages Reference documents Doc No.
1.3 Before you start 1.3.1 Copyright This document may be duplicated and distributed only with the express permission of Siemens, and may be passed only to authorized persons or companies with the required technical knowledge. 1.3.2 Quality assurance This document was prepared with great care.
1.4 Target audience, prerequisites This document assumes that users of the RDG KNX thermostats are familiar with the ETS3 Professional and/or Synco ACS700 tools and able to use them. It also presupposes that these users are aware of the specific conditions associated with KNX. In most countries, specific KNX know-how is conveyed through training centers certified by the KNX Association (see www.konnex.org/). For reference documentation, see section 1.2. 1.
2. Summary 2.1 Types Product no. RDG100KN Stock no. S55770-T163 Features Operating voltage AC 230 V Backlit LCD Number of control outputs ON/OFF 3 1) PWM 2 1) 3-pos 2 1) 1) Selectable: ON/OFF, PWM or 3-position (triac outputs) 2.2 Ordering When ordering, please indicate both product no. / stock no. and name: E.g. RDG100KN / S55770-T163 room thermostat Order valve actuators separately 2.
Functions Room temperature control via built-in temperature sensor or external room temperature / return air temperature sensor Changeover between heating and cooling mode (automatic via local sensor or bus, or manually) Selection of applications via DIP switches or commissioning tool (ACS700).
2.4 Integration via KNX bus The RDG room thermostats can be integrated as follows: Integration into Synco 700 system via LTE mode (easy engineering) Integration into Synco living via group addressing (ETS3) Integration into DESIGO via group addressing (ETS3) or individual addressing Integration into third-party systems via group addressing (ETS3) The following KNX functions are available: Central time program and setpoints, e.g.
Synco topology Legend: Synco 700 Synco living RDG..., RDF…, RDU… OZW772 (or OZW775) RMZ792 QAW... ACS700 RXB, RXL QAX DESIGO and third-party systems Building automation and control system (BACS) Room automation and control system Room thermostats Web server Bus operator unit Room unit Service tool using OCI700.1 (OCI700.
2.5 Equipment combinations Product no. Data sheet Cable temperature sensor QAH11.1 1840 Room temperature sensor QAA32 1747 QXA2000 / QXA2001 / AQX2000 1542 SFA21... 4863 MVI… / MXI… 4867 SUA… 4830 STA21... 4893 STP21... 4878 SSA31... 4893 SSP31… 4864 SSB31... 4891 SSD31...
3. Functions 3.1 Temperature control General note: Parameters Setting of the control parameters (P01, etc., mentioned throughout the document) is described in section 3.13. Temperature control The thermostat acquires the room temperature via built-in sensor, external room temperature sensor (QAA32), or external return air temperature sensor (QAH11.1), and maintains the setpoint by delivering actuator control commands to heating and/or cooling equipment.
3.2 Operating modes The thermostat's operating mode can be influenced in different ways (see below). Specific heating and cooling setpoints are assigned to each operating mode. K NX R Room operating mode: State The thermostat sends the effective room operating mode on the bus. The following operating modes are available: Auto Timer In Auto Timer mode the room operating mode is commanded via bus.
3.2.1 Source for change of operating mode ACS Service ACS Operating Source Local operation via left button Bus command K NX R Room op. mode a b c The operating mode can be influenced by different interventions. The source of the effective room operating mode state can be monitored using the "Cause" diagnostic data point in the ACS700 tool, operator unit RMZ792 or web server OZW772 / 775.
Auto Timer mode with time schedule via bus If a time schedule via bus is present, e.g. from central control unit, then the Auto Timer mode is active. The thermostat automatically changes between Comfort and Economy according to the time schedule via bus. The display shows the Auto Timer mode symbol along with the symbol for the effective room operating mode (Comfort or Economy ). By pressing the operating mode button, you can change to another operating mode.
Comfort mode can be temporarily extended (e.g. working after business hour or on weekends) when the thermostat is in Economy mode. The operating mode button switches the operating mode back to Comfort for the period preset in P68. Press the operating mode button again to stop the timer.
Function with time schedule via bus User profile for operating mode (selected via P02) P02 = 1 P02 = 2 ( ) Operating mode when activating function Auto Auto Comfort Comfort Protection Economy Economy Protection Function Operating mode during function Operating mode at the end of function Extension Absence Extension Absence Not available Extension Absence Not available Comfort Protection Comfort Protection Comfort Economy - Auto Auto Auto Auto Auto Auto - 17 / 86 Siemens Bui
3.2.2 Communication examples The following examples show two typical applications of a central time schedule in conjunction with local control of the room operating mode. The room operating mode in rooms 1…2 of a building is determined by the time schedule. Window contacts are fitted in all rooms.
Interaction of user operation (operating mode button) and central time schedule Example 2 In room 2, the window is opened briefly, once in the morning and once at night (1). Only the opening in the morning has a direct impact on the effective room operating mode. With the operating mode button, the operating mode can be changed between OFF and Auto or temporary Comfort extension respectively. Time schedule Room operating mode During lunch break, the time schedule changes to Precomfort.
Comfort mode 3.3 Room temperature setpoints 3.3.1 Description The factory setting for the Comfort basic setpoint is 21 °C and can be changed in the thermostat’s EEPROM via parameter P08 or via bus with communication object " Comfort basic setpoint". The last intervention always wins. The Comfort setpoint can be adjusted via the rotary knob, or via bus from a remote device like a touchpanel, operating unit, etc. The last intervention always wins.
The Economy setpoints are accessible at the service level (P11, P12); the Protection setpoints at the expert level (P65, P66). 3.3.
KNX R Current setpoint The current setpoint (used by the thermostat for temperature control) is available on the bus for use in the central control unit.
3.4 Applications overview The thermostats support the following applications, which can be configured using the DIP switches at the rear of the unit or a commissioning tool. DIP switches 1...3 need to be set to OFF (remote configuration, factory setting) to select an application via commissioning tool. The tool offers the applications printed in bold text (basic applications). For universal applications (chilled ceiling, etc.), refer to section 3.6.9.
Heating or cooling and radiator / floor heating 2-pipe fan coil unit and radiator (heating or cooling) ON OFF 1 2 3 4 5 T B2 T (B1) Chilled / heated ceiling and radiator (heating or cooling) Y1 M1 T (B1) YR Heating and cooling 4-pipe fan coil unit (heating and cooling) ON OFF 1 2 3 4 5 Chilled ceiling and radiator (heating and cooling) Y2 T (B1) Y1 M1 T (B1) Heating and cooling with electric heater 4-pipe fan coil unit with electric heater (heating and cooling) 2-stage h
3.5 Additional functions Heating / cooling changeover via bus The heating / cooling changeover information can be received via bus. This is only possible if the control sequence is set to automatic heating / cooling changeover (parameter P01 = 3) and no local input X1, X2, D1 is assigned with this function. K NX In the absence of the required information (e.g. due to problems with data communication, power failure, etc.
Purge function The changeover sensor ensures changeover from heating to cooling mode based on the acquired water temperature. We recommend activating the “Purge” function (parameter P50) with 2-port valves. This function ensures correct acquisition of the medium temperature even if the 2-port valve is closed for an extended period of time. The valve is then opened for 1 to 5 minutes (adjustable) at 2-hour intervals during off hours.
The “Floor temperature limitation” function influences the outputs listed in the table below: “Floor temp. limit” function has impact on Application Output Y1 2-pipe H/C valve Output Y2 Output Y3 Heating (P01 = 0/2/3) Cooling Heat. and cool.
3.6 Control sequences 3.6.1 Sequences overview (setting via parameter P01) The main control sequence (i.e. the water coil sequence of the fan coil unit) can be set via parameter P01. The following sequences can be activated in the thermostats (each without or with auxiliary heating). The available sequences depend on the application (selected via DIP switch, see section 3.4).
3.6.2 K NX Application mode The behavior of the thermostat can be influenced by a building automation and control system (BACS) via bus with the command “Application mode”. With this signal, cooling and/or heating activity can be enabled or disabled. Application mode is supported in LTE mode and S-mode.
ACS Operating Heating OR cooling The state (heating or cooling) of the thermostat can be monitored with the ACS700 tool (diagnostic value “Control sequence”). The last active mode is displayed when the thermostat is in the dead zone or temperature control is disabled. With a 2 pipe application, the control sequence state is determined by the application mode (see section 3.6.
3.6.3 2-pipe fan coil unit On 2-pipe applications, the thermostat controls a valve in heating / cooling mode with changeover (automatically or manually), heating only, or cooling only. Cooling only is factory-set (P01 = 1). ON/OFF control The diagrams below show the control sequence for 2-position control.
3.6.4 2-pipe fan coil unit with electric heater Heating or cooling with auxiliary heater On 2-pipe applications with electric heater, the thermostat controls a valve in heating / cooling mode with changeover, heating only, or cooling only plus an auxiliary electric heater. Cooling only is factory-set (P01 = 1) with enabled electric heater (P13). Electric heating, active in cooling mode In cooling mode, the valve receives an OPEN command if the acquired temperature is above the setpoint.
ON/OFF control The diagrams below show the control sequence for 2-position. Heating mode Cooling mode (automatic changeover = heating or heating only) (man. / auto.
3.6.5 2-pipe fan coil unit with radiator or floor heating Heating or cooling with radiator or floor heating On 2-pipe applications with radiator, the thermostat controls a valve in heating / cooling mode with changeover, heating only, or cooling only plus a radiator valve. Cooling only is factory-set (P01 = 1). Radiator, active in cooling mode In cooling mode, the valve receives an OPEN command if the acquired temperature is above the setpoint.
Modulating control: 3-position or PWM The diagrams below show the control sequence for modulating PI control. Heating mode Cooling mode (automatic changeover = heating or heating only) (man. / auto.
3.6.6 4-pipe fan coil unit Heating and cooling On 4-pipe applications, the thermostat controls 2 valves in heating and cooling mode, heating / cooling mode by manual selection, or heating and cooling mode with changeover. Heating and cooling mode (P01 = 4) is factory-set. 4-pipe application with manual changeover The heating or cooling output can be released via operating mode button if parameter P01 is set to Manual (P01 = 2).
The diagrams below show the control sequence for 2-position control.
3.6.7 4-pipe fan coil unit with electric heater Heating and cooling with auxiliary heater On 4-pipe applications with electric heater, the thermostat controls 2 valves in heating and cooling mode by manual selection, heating and cooling mode with automatic changeover, heating only, or cooling only plus an auxiliary electric heater. Heating and cooling is factory-set (P01 = 4).
Modulating control: 3-position or PWM The diagrams below show the control sequence of modulating PI control.
3.6.8 2-stage heating or cooling 2-stage heating or cooling On 2-stage applications, the thermostat controls 2 valves or compressors in heating or cooling mode or changeover (automatically or manually). “Cooling only" is factory-set (P01 = 1). Heating mode In heating mode, the 1st stage is activated if the acquired temperature is below the setpoint. The 2nd stage is activated if the acquired room temperature drops below “setpoint” minus “setpoint differential”.
Modulating control: 3-position or PWM The diagrams below show the control sequence of modulating PI control.
3.6.9 Chilled / heated ceiling and radiator applications For chilled / heated ceiling and radiator, set the corresponding basic application disable the fan (P52) The following applications are available: Application for chilled / heated ceiling, radiator Chilled / heated ceiling with changeover Chilled / heated ceiling & el heater (cooling only: disable el heater via P13) Chilled / heated ceiling and radiator Set basic application 2-pipe See section 3.6.3 2-pipe and electric heater 3.6.
3.6.10 Setpoints and sequences On changeover applications, the Comfort setpoints for heating and cooling sequence are the same (w). 2-pipe and 2-stage applications On 2-pipe applications with electric heater, the Comfort setpoint is either at the first heating sequence (in heating mode) or at the cooling sequence (in cooling mode). On 2-pipe applications with radiator, the Comfort setpoint is either at the radiator sequence (in heating mode) or at the cooling sequence (in cooling mode).
On 4-pipe applications, the Comfort setpoint (w) is in the middle of the dead zone, between the heating and cooling sequence. 4-pipe applications The dead zone can be adjusted via parameter P33. If manual changeover is selected, then either the cooling sequence or the heating sequence is released. In this case, the Comfort setpoint is at the selected heating or cooling sequence.
Overview of control outputs 3.7 Control outputs 3.7.1 Overview Different control output signals are available. They need to be defined during commissioning (see below). Control output Product no. RDG100KN ON/OFF control signal (2-position) 2-position 2-position PWM 3-position DC 0…10 V Y1, Y2, Y3 (3 x NO) Y1, Y3, (2 x PWM) Y1/Y2, Y3/Y4 (2 x / ) --- The valve receives the OPEN/ON command via control output Y1 or Y3 when… 1.
The demand calculated by PI control from the current room temperature and setpoint is provided via Y1 and Y3 to the valve actuator as a PWM (pulse width modulation) signal for thermal actuators. The output is activated for a period proportional to the heating / cooling demand and then switched off for the rest of the PWM interval. PWM control The interval is 150 seconds (factory setting). It can be adjusted via parameters P44 (Y1) or P45 (Y3).
3.8 Fan control The fan operates in automatic mode or at the selected speed with manual mode. In automatic mode, the fan speed depends on the setpoint and the current room temperature. When the room temperature reaches the setpoint, the control valve closes and the fan switches off or stays at fan speed 1 (parameter P60; factory setting: 0 = fan speed 1 in dead zone). K NX R Fan command value Enable fan command value K NX The fan speed and mode can be changed via bus.
1-speed / 3-speed fan The thermostat can control a 1- or 3-speed fan (selected via control parameter P53). A 1-speed fan is connected to terminal Q1, a 3-speed fan to terminals Q1, Q2 and Q3. Fan operation as per heating / cooling mode, or disabled Fan operation can be limited to be active with cooling only or heating only, or even be totally disabled via control parameter “Fan operation” P52.
Clean fan filter reminder The “Clean fan filter reminder” function counts the fan operating hours and displays “ to remind the user to clean the fan filter as soon as the threshold message “FIL is reached. This does not impact the thermostat's operation, which continues to run normally. K NX The “Clean filter reminder” is reset when the operating mode is manually set to Protection and back. R Fault information Fan in Auto Timer mode In Auto Timer mode , the default fan mode is automatic.
3.9 Multifunctional input, digital input The thermostat has 2 multifunctional inputs X1 and X2 and a digital input D1. An NTC type sensor like the QAH11.1 (AI, analog input) or a switch (DI, digital input) can be connected to the input terminals. The functionality of the inputs can be configured via parameters P38 + P39 for X1, P40 + P41 for X2, and P42 + P43 for D1. K NX The current temperature or state of the inputs X1/X2 and D1 is available on bus for monitoring purposes.
# 6 K NX Function of input Fault 7 Monitor input (Digital) Digital input to signal an external fault (example: dirty air filter). If the input is active, “ALx” is displayed and a fault is sent on the bus. See also section 3.11.8. (Alarm x, with x = 1 for X1, x = 2 for X2, x = 3 for D1). Note: Fault displays have no impact on the thermostat's operation. They merely represent a visual signal. Digital input to monitor the state of an external switch via bus.
3.11 KNX communications The RDG KNX thermostats support communications as per the KNX specification. S-mode Standard mode; engineering via group addresses. LTE mode Logical Tag Extended mode, for easy engineering, is used in conjunction with Synco. 3.11.1 S-mode This mode corresponds to KNX communications. Connections are established via ETS3 Professional by assigning communication objects to group addresses. 3.11.2 LTE mode LTE mode was specifically designed to simplify engineering.
Engineering and commissioning For a detailed description of KNX (topology, bus supply, function and setting of LTE zones, filter tables, etc.), see "Communication via the KNX bus for Synco 700, 900 and RXB/RXL, Basic Documentation" [6] LTE mode data points and settings are described in the Synco Application Manual [12] To engineer and commission a specific system, use the Synco700 planning and commissioning protocol (XLS table in HIT, [7]) 3.11.
The zones to be defined are as follows: Geographical zone (space zone) Zone in which an RDG KNX thermostat is physically located. Other room-specific devices may also be located in this zone. (Apartment . Room . Subzone) Apartment = ---, 1...126 Room = ---, 1...63 Subzone = fix 1 Information exchanged in this zone is related specifically to the device like operating mode, setpoints, room temperature, etc. The designations "Apartment", "Room" and "Subzone" do not need to be taken literally.
3.11.4 Example of heating and cooling demand zone The building is equipped with Synco controls on the generation side and RDF / RDG thermostats on the room side. Konnex TP1 RMH760 Controller 1 RMB795 Controller 3 Controller 2 RDF... Controller 4 RDU... Controller 5 RDG...
3.11.5 Send heartbeat and receive timeout In a KNX network, S-mode and LTE mode communication objects can be exchanged between individual devices. The Receive timeout defines the period of time within which all the communication objects requested from a device must have been received at least once. If a communication object is not received within this period, a predefined value is used.
3.11.8 Fault function on KNX If a fault occurs (e.g. digital fault input, dew point, communication configuration, etc.) then a fault will be sent on the bus. An RDG thermostat listens on the bus and sends its fault when the fault has the highest alarm priority. This ensures that the management station does not miss any alarms. If alarms occur at the same time, the alarm with the highest priority will be first displayed and sent on the bus.
3.12 Communication objects (S-mode) 3.12.
3.12.2 Description of communication objects Obj 1 Object name System time Function Type/ length Flags Time and 19.001 CWU date 8 Byte System time for display on the room thermostat. See parameter P07 (3 or 4) 3 Time of day Time and 10.001 CWU date 3 Byte Another object for receiving the time of day for display on the room thermostat. See parameter P07 (3 or 4) 4 Fault information Alarm 219.001 CT Info 6 Byte Common alarm output.
Obj 27 Object name Function Type/ length Flags Cooling output 0…100% 5.001 CRT primary 8 bit Indicates the position of the cooling actuator of the first stage. E.g. 2-pipe with electric heater application: Output of the cooling coil. 28 Cooling output 0…100% 5.001 CRT secondary 8 bit Indicates the position of the cooling actuator of the second stage. E.g. 2-stage changeover application: Output of the second cooling stage. 29 Enable electric Enable / 1.
3.13 Control parameters A number of control parameters can be readjusted to optimize control performance. This can be done on the thermostat via HMI or via commissioning / operating tool. These parameters can also be set during operation without opening the unit. In the event of a power failure, all control parameter settings are retained.
3.13.2 Parameter setting / download via tool Control parameters can be adjusted via bus either by parameter download during commissioning or during normal operation with a tool like ACS700.
Parameter 3.13.3 Parameters of the "Service level" Name Factory setting Range 2-pipe: 1 = Cooling only 0 = Heating only 1 = Cooling only 2 = H/C changeover manual 3 = H/C changeover auto 4 = Heating and Cooling 1 = Auto – Protection 2 = Auto - Comfort - Economy Protection 0 = Auto - Manual 1 = Manual 2 = Auto - Manual - Protection C = ° Celsius F = ° Fahrenheit – 3 ...
Parameter 3.13.4 Parameters of the "Expert level with diagnostics and test" Name Factory setting Range 0.5 … 6 K 0.5 … 6 K 0.5 … 6 K 0.5 … 5 K 0.5 … 5 K 0…10 min 10…25 °C 27…40 °C 0 = --- (no function) 1 = Room temp ext.
Parameter Name Factory setting Range 1 = 1-speed 2 = 3-speed 0...360 sec 80...100% 30..75% 1...15% ON: Enabled OFF: Disabled 1...6 min 0…89 min, OFF(90) 0…359 min, OFF(360) Off, 100…9900 h OFF, 5…WCoolProt; WCoolProt = 40 °C max OFF, WHeatProt… 40; WHeatProt = 5°C min 0...180 s 0...
Range Parameter Name Diagnostics & test d01 Application number d02 X1 state d03 X2 state d04 D1 state d05 Test mode for checking the Y1/Y2 actuator's running direction 3) d06 Test mode for checking the Y3/Y4 actuator's running direction 3) d07 Software version 3) 0 = (No application) 1 = 2-pipe 2 = 2-pipe with electric heater 3 = 2-pipe with radiator 4 = 4-pipe 5 = 2-stage heating or cooling 6 = 4-pipe with electric heater 0 = Not activated (for DI) 1 = Activated (DI) 0…49 °C = Current tem
4. Handling 4.1 Mounting and installation Do not mount on a wall in niches or bookshelves, behind curtains, above or near heat sources, or exposed to direct solar radiation. Mount about 1.5 m above the floor. Mounting Mount the room thermostat in a clean, dry indoor place without direct airflow from a heating / cooling device, and not exposed to dripping or splash water Wiring See Mounting Instructions M3191 [3] enclosed with the thermostat.
4.2 Commissioning The room thermostats are delivered with a fixed set of applications. Applications Select and activate the relevant application during commissioning using one of the following tools: – Local DIP switch and HMI – Synco ACS – ETS3 Professional (Parameter and application download with ETS3 will be implemented later) Set the DIP switches before snapping the thermostat to the mounting plate, if you want to select an application via DIP switches.
Control parameters The thermostat's control parameters can be set to ensure optimum performance of the entire system. The parameters can be adjusted using – Local HMI – Synco ACS – ETS3 Professional Parameter and application download with ETS3 will be implemented later. The control parameters of the thermostat can be set to ensure optimum performance of the entire system (see section 3.13, control parameters).
4.3 Operation See also Operating Instructions B3191 [2] enclosed with the thermostat. Layout 1 2 1. Operating mode selector / Esc 2. Fan mode selector / Ok 3.
Display # Symbol Description # Symbol Description 1 Heating mode 14 Automatic fan 2 Heating mode, electric heater active 15 Manual fan 3 Cooling mode 4 Comfort 5 Economy 6 Auto Timer mode according to schedule (via bus) 17 Degrees Celsius Degrees Fahrenheit 8 Protection mode 18 Digits for room temperature and setpoint display 9 Escape 19 Button lock 10 Additional user information, like outor time of day side temperature from KNX bus.
4.4 Remote operation The RDG thermostats can be operated from a remote location using a OZW772 / OZW775 web server, a RMZ792 bus operating unit or the ACS Operating tool. 4.5 Disposal The device is classified as waste electronic equipment in terms of the European Directive 2002/96/EC (WEEE) and should not be disposed of as unsorted municipal waste. The relevant national legal rules must be adhered to. Regarding disposal, use the systems setup for collecting electronic waste.
ETS3 Professional 5. Supported KNX tools 5.1 ETS3 Professional ETS3 Professional is an engineering tool. It is used to set up the communication of the RDG KNX thermostat and assigns the communication object to group addresses (S-mode). Parameters are only used for choosing (making visible / hiding) the communication objects. This Manual does not describe how to operate ETS3 Professional and commission a device. Refer to the KNX Manual for more details.
5.2.1 Parameter settings in ACS In the ACS Service program, select Plant, then Open to open the plant. To start the parameter settings, select Applications, then Parameter settings…: The application and control parameters can be adjusted and downloaded. Column Line no. contains the parameter number as shown in the parameter table. Refer to section 3.13, control parameters.
5.2.2 ACS Operating Parameter settings in ACS Operating Notes: Operation and monitoring with ACS In the ACS Operating program, select Plant, then Open to open the plant. To start monitoring and operation, select Applications, then Popcard ACS Operating supports parameter settings even during normal operation. To change a control parameter, select Popcard, then Settings.
Plant diagram in ACS Operating ACS Operating offers plant diagrams for easy monitoring and operation of the thermostat.
Plant type Application Configuration Application Configuration 2-pipe and electric heater 2-pipe fan coil unit with electric heater – Control sequence: No impact (P01 = any) – Fan operation: Not disabled (P52 <> 0) Single stage with electric heater – Control sequence: No impact (P01 =any) – Fan operation: Disabled (P52 = 0) 2-pipe and radiator 2-pipe fan coil unit with radiator – Control sequence: No impact (P01 = any) – Fan operation: Not disabled (P52 <> 0) Single stage with radiator – Control seq
Plant type 4-pipe with el heater Application Configuration Application Configuration 4-pipe fan coil unit with electric heater – Control sequence: Not auto c/o (P01 <> 3) – Fan operation: Not disabled (P52 <> 0) 1 stage Heat and Cool with electric heater – Control sequence: No impact (P01 <> 3) – Fan operation: Disabled (P52 = 0) Fan coil unit main / secondary with electric heater – Control sequence: Auto c/o (P01 = 3) – Fan operation: Not disabled (P52 <> 0) Main / secondary with el heater – Control
5.2.3 Operation and monitoring with OZW772 The OZW772 web server enables users to operate a Synco HVAC system from a remote location – via PC or from a smart phone via the web. A start page shows the most important data points. A combination of menu / path navigation enables users to access all data points quickly and straightforwardly. The entire installation can be visualized in the form of plant diagrams.
Connection 6.1 Connection terminals X1 M X2 N Q1 Q2 Q3 Y1 Y2 Y3 Y4 Connection diagrams L KNX S1 F S2 10 A AC 230 V B1 X1 L M N Q1 Q2 Q3 2-pipe N M1 S3 B2 I II III 2-pipe and radiator 4-pipe 2-stage Operating voltage AC 230 V Multifunctional input for temperature sensor (e.g. QAH11.1) or potential-free switch Factory setting: – X1 = External temperature sensor – X2 = No function (function can be selected via parameters P38 / P40).
7. Mechanical design 7.1 General The room thermostat consists of 2 parts: Plastic housing with electronics, operating elements and room temperature sensor Mounting plate with the screw terminals The housing engages in the mounting plate and is secured with 2 screws. 1 2 1. Operating mode selector / Esc 2. Fan mode selector / Ok 3. Rotary knob to adjust setpoints and parameters 3 For operation, refer to section 4.3. 7.2 Dimensions Dimensions in mm 4.0 28.3 28.3 9.0 4.0 128.0 28.3 28.
8.
Environmental conditions Standards and directives Operation Climatic conditions Temperature Humidity Transport Climatic conditions Temperature Humidity Mechanical conditions Storage Climatic conditions Temperature Humidity conformity EMC directive Low-voltage directive C-tick conformity to EMC emission standard Reduction of hazardous substances Product standards Automatic electric controls for household and similar use Special requirements for temperature-dependent controls Electronic control type Genera
Index 1 1-speed fan ........................................................... 48 3 3-position control signal ........................................ 45 3-speed fan ........................................................... 48 A Absence ................................................................ 16 Applications overview ........................................... 23 Auto Timer mode................................................... 15 Automatic heating / cooling changeover.........
S Sensor input.......................................................... 50 Service level parameters ...................................... 61 Setpoint Comfort mode......................................... 43 Setpoint Economy mode ...................................... 43 Setpoint limitation ................................................. 20 Setpoint Protection mode ..................................... 43 Setpoints and sequences ..................................... 43 Standby / Protection mode .........
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