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OUMAN C203 User Manual

Regulator for the three circuits
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Regulator for the
three circuits
- control for 2 heating circuits
- 1 domestic hot water control
C203
USER
MANUAL
www.ouman.fi
www.ouman.fi
XM1017D
: Version 3.0 ->

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Summary of Contents for OUMAN C203

  • Page 1 C203 Regulator for the three circuits - control for 2 heating circuits - 1 domestic hot water control USER MANUAL www.ouman.fi www.ouman.fi XM1017D : Version 3.0 ->...
  • Page 2 It includes certain setting values that do not usually need to be changed or require in-depth knowledge of the regulation process. The C203 is a heat regulator for 3 circuits (two heating circuits and one hot water circuit). Wiring and con- figurating selections define what the regulator displays on the display screen.
  • Page 3 Contents 1 Display menus ..................................4 1.1 Basic view ............................................4 1.2 Favourite views .......................................... 5 1.3 Menu structure ........................................... 6 2 Measurements ..................................7 2.1 Trend display ..........................................7 3 Regulation of supply water in heating circuits ......................8 3.1 Supply water information ......................................
  • Page 4 1 Display menus Different levels of display menus are used to make the C203 clear and easy to use. The basic view shows the most important information for monitoring operation of the unit. Favourite views that can be changed by users enable them to easily access desired menus. Setting values needed by the user can easily be found in the versatile menu structure.
  • Page 5 1.2 Favourite views You can easily navigate from the basic view to the desired menu using the favourite view function. You can navigate from one favourite view to another by tapping the button. There can be a maximum of five of these views.
  • Page 6 1.3 Menu structure I n t h e u s e r m a n u a l M a i n m e n u Pa g e 7 > Measurements Measurements, trends H1 Control circuit > Outdoor temp. -18.2 °C >...
  • Page 7 2 Measurements You can see the measurements and mode information linked to M a i n m e n u the C203. When you press OK on the measurement row, you can Measurements > see the measurement’s trend or trend log, change the settings of H1 Control circuit >...
  • Page 8 3 Regulation of supply water in heating circuits The C203 enables control of two different supply water circuits M a i n m e n u independently (H1 and H2). Measurements > H1 Control circuit > H2 Control circuit >...
  • Page 9 S u p p l y wa t e r i n f o r m a t i o n In the example in the picture, supply water according to the heating curve According to cure 35.1 °C is 35.1°C. In the Away mode the controller reduces the temperature of the Away-control effect -8.5 °C supply water to 6.0°C.
  • Page 10 H1 (H2) Control circuit-> Heating curve The supply water temperature for different outdoor tempera- H1 Control circuit tures is set in heating curve settings. With C203 the heating Supply water information > curve can be adjusted exactly to meet the needs of the facility Measurements >...
  • Page 11 3.5 Setting values The regulator has two types of setting values: those that are al- H1 Control circuit ways visible and those than can only be changed using a service Measurements > code. Setting values in the regulator’s service mode are described Heating curve >...
  • Page 12 3.5.2 Temperature drops You can designate separate temperature reduction settings for each circuit. When transitioning from a tem- perature reduction period to normal temperature level, a preliminary increase in supply water can be used. H1 (H2) Control circuit-> Setting values -> Temperature drops Factory Setting Range...
  • Page 13 CONTROL CIRCUIT SETTINGS Setting Factory setting Range Explanation Type of heating Radiator heat- Radiator heat- If the radiator heating is chosen as a heating mode, the con- ing/ troller uses the outdoor temperature delay in supply water con- Floor heating trol (see.
  • Page 14 In use/ The need for compensation can be defined by an external device that Not in use relays the need for a supply water temperature exception to the C203 through a communication channel (e.g. Ounet S-compensation). Supply water max drop -30.0 ...
  • Page 15 Continuous big temp. drop Manual Control mode Explanation Automatic C203 controls the supply water temperature automatically according to the need for heating and possible time programs Continuous normal temp. Normal heating that is not dependent on scheduling programs is on. Continuous temp. drop Temperature drop independent of scheduling programs is on.
  • Page 16 Weekly programmes, programmes for specific days and calendar H1 Control circuit exception programmes can be added to heating regulation in the Heating curve > Setting values > C203. You can lower temperatures using scheduling programmes. Control mode Automatic > Time programs > 3.7.1 Weekly schedule H1 (H2) Control circuit->...
  • Page 17 3.7.2 Exception schedule H1 (H2) Control circuit-> Time programs -> Temp. drop Exception schedule You can easily make changes that differ from normal routine Time use by using the exception schedule. The date, time and mode Add new > to which heating will be changed in the period in question are entered in the exception schedule.
  • Page 18 4 Domestic hot water control The C203 tries to keep the temperature of domestic hot water at M a i n m e n e the designated setting value. This ensures that the temperature H1 Control circuit > of water from the shower always remains constant. Because of H2 Control circuit >...
  • Page 19 4.4 Time programs DHW Control circuit-> Time programs Domestic hot water increases and drops can be made by DHW D HW D o m e s t i c h o t wa t e r c o n t r o l Setting values >...
  • Page 20 4.4.2 Exception schedule DHW Domestic hot water control -> Time programs ->DHW temp. Increase/drop Exception schedule You can easily make changes that differ from normal routine use Time by using the exception schedule. The date, time and mode to Add new >...
  • Page 21 5 Alarms C203 can send an alarm for a number of different reasons. Infor- Acknowledging alarms: press OK and mation about the alarm is shown on the display. The alarm also the alarm sound will stop. If the sounds a beeping noise, if it is selected that alarm noice is in use reason for the alarm has not been (See Service ->...
  • Page 22 5.1 Active alarms Alarms > Active alarms In the alarm menu of C203 device, you can check the active alarms A l a r m s and what alarms have been active. The number of Active alarms > active alarms can be shown in the main view if you wish.
  • Page 23 5.6 Routing schedule C203 default alarm groups are: • Group 1: Urgent alarm that should always be immediately forward- Alarms > Routing schedule R o u t i n g s c h e d u l e • Group 2: Malfunction alarms than can be forwarded during busi- Group 1 Weekly schedule >...
  • Page 24 > Service > If you want to connect the C203 unit to an Ethernet network, the unit must be connected to a M-LINK adapter (additional equip- ment). S y s t e m s e t t i n g s...
  • Page 25 (the number does not appear on the display). Test for communication. SMS PIN: If the SIM card has PIN inquiry in use, C203 device asks you to enter PIN code. SMS PIN Entering the code: Turn the control knob and press OK to accept each number.Press ESC...
  • Page 26 System settings > Network settings System settings Time 17:01 > There are two alternative ways to set the C203 device IP address and net- Date 02.05.2023> work settings: D a y l i g h t s a v i n g t i m e I n u s e >...
  • Page 27 Modbus TCP/IP gateway ->Modbus 1 port: It is possible to connect a Mod- ModbusTCP/IP gateway Bus/RTU bus to an C203 device. The bus has its own port address that is Modbus port A1/B1 used to communicate with bus devices via Modbus/TCP interface. Port 1 >...
  • Page 28 ACCESS-service in order to be able to use it. OUMAN ACCESS- service is “on” by default in C203. The C203 device will be connected to a C port of M-LINK device or as a slave device to the Modbus RTU bus.
  • Page 29 75 > 6.6 Lock code System settings > Lock code If you take lock code into use, you can read C203 device informa- Lock code tion when the device is locked, but you can not change settings. Network settings >...
  • Page 30 7 Communication via a mobile phone KEY WORDS If a GSM modem is connected to the C203 you can communicate with the regulator by text message using command words. Send the following text message to the controller: KEY WORDS. Key words...
  • Page 31 SMS. Ouman’s GSM modem (GSMMOD) is connected to the C203 unit or to a M-LINK device if the C203’s RJ-45 port has been connected to a RJ45-liitin M-LINK device. The modem has a fixed antenna that can be changed to an external antenna with a 2,5m cord (optional equipment) if needed.
  • Page 32 C203 Technical information Protection class IP 20 Operating temperature 0 ºC…+40 ºC Storing temperature -20 ºC…+70 ºC Power supply Operatingvoltage/ Power requirement 230 Vac / 120 mA Backup input 12 Vdc Internal fuse 125 mA Product: Heat regulator for three circuits...