OUMAN EH-201/L User Manual
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OUMAN EH-201/L User Manual

Heating regulator
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EH-201/L
Heating
regulator
MODBUS

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Summary of Contents for OUMAN EH-201/L

  • Page 1 EH-201/L Heating regulator MODBUS...
  • Page 2 OUMAN EH-201/L SETTINGS Ajan asetus Browsing, making changes In Ouman EH-201/L the regulator is controlled by many different H1 Select settings. By browsing you can see which settings you have in use. Browsing and setting changes occur in the following way:...

  • Page 3: Table Of Contents

    Entering the maintenance mode Tuning values These pages contain Settings directions for maintenance persons authorized by Trends Ouman. Access to the Actuator selection regulator's maintenance Relay 1 control selection mode is prevented by a maintenance mode. Relay 2 control selection...
  • Page 4 The right shape for a characteristic heating curve depends on many factors. In Ouman EH-201/L the characteristic heating curve can be adapted to exactly meet the needs of the facility from three points;...
  • Page 5 Wait a sufficient amount of time after the adjustment so the change has time to effect the room temperature. HOUSES WITH FLOOR HEATING: Set the EH-201/L regulator's maximum limit between +35 ... +40 C and the minimum limit between +20 ... +25 C. In floor heating solutions it is important to make sure that exessively hot water which could damage structures or surfaces doesn't ever get into the network.
  • Page 6 OUMAN EH-201/L SETTINGS Ajan asetus Browsing, making changes In Ouman EH-201/L the regulator is controlled by many different settings. Settings are selected according to sensor connections and relay control modes (e.g., is a relay controlling the oil burner or pump or geothermal heating application or is the relay temperature controlled (see p.
  • Page 7 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L Additional information about settings Ajan asetus Factory Range: Settings: Explanation: Attention! Settings Pre-increase 0 °C 0...25 °C The automatic pre-increase in degrees which A maintenance occurs after a reduced operation (nighttime drop) person must first set °C...
  • Page 8 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L Additional information about settings Ajan asetus SETTINGS ACCORDING TO RELAY CONTROL MODES (see pages 26 - 28) Factory Range: Settings: Explanation: Attention! Settings: Select relay 1 for Burner ON 70 °C 5...95 °C When the temperature of measurement 10 burner control.
  • Page 9 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L MEASUREMENTS MITTAUKSET Labeling The regulator can be connected to 9 different measurement data at the same time (7 NTC measurements + 2 digital inputs). Measurement data can also be read through the net. Also the position of the voltage controlled (0...10V or 2...10V) actuator can be seen.
  • Page 10 OUMAN EH-201/L OUMAN EH-201/L MEASUREMENTS Additional information OUMAN EH-203 OUMAN EH-203 MITTAUKSET Strip Setting con- Measure- Measurement information: Attention! range: nector ment: Out temp Outdoor temperature -50...+50 Can be read through the net H1 Supply Supply water temperature in regulating circuit H1 0...+130...
  • Page 11 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L SUPPLY WATER INFORMATION In this mode we can see which factors determined by the regulator make up the supply water temperature at the time of inspection. The basis for this is the supply water temperature at the present outdoor temperature according to the characteristic heating curve.

  • Page 12: Operating Modes

    OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L OPERATING MODES Ouman EH-201/L can be controlled with the operating modes mentioned below. The factory set automatic regulation is a normal regulating situation in which the clock controlled temperature drops are also possible. The selected operating mode always appears on the basic display on the top line.

  • Page 13: Clock Functions

    Thursday Exit with ESC. Attention! The Ouman EH-201/L regulator's clock registers summer time and standard time changes and leap years. The battery lasts approx. 10 years. Group select button - not in use in EH201/L ESC - press to return to the previous display...
  • Page 14 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L Clock programs - browsing, adding, deleting With the freely programmable 24 hour/7 day clock you can: 1. Drop the temperature for certain lengths of time 2. Time control the desired on/off connections with two relays (eg.
  • Page 15 OUMAN EH-203 OUMAN EH-203 OUMAN EH-201/L OUMAN EH-201/L Clock functions; relay control Relays can control many different functions, e.g., sauna stoves, locking doors etc. Relay clock functions are taken into use and labeled according to use in the relay control mode. (see p. 26 - 28). Then the relay can be controlled using a GSM, if a GSM has been installed into the regulator (optional equipment).
  • Page 16 OUMAN EH-201/L OUMAN EH-201/L LANGUAGE/ KEEL The Ouman EH-201/L regulator is in two languages. The regulator has the most commonly used languages, Finnish - Swedish and English-Eesti. The language of the regulator can be changed in the following manner. OPERATING INSTRUCTION:...

  • Page 17: Type Information

    OUMAN EH-201/L OUMAN EH-201/L TYPE INFORMATION Type information indicates which regulator is in question and which program version is in use. There is one heating circuit in the Ouman EH-201/L regulator. OPERATING INSTRUCTION: Automatic Press until the display no longer changes.

  • Page 18: Start Function

    OUMAN EH-201/L OUMAN EH-201/L START FUNCTION Regulat. mode sel. In the start function the regulator detects the sensors that are attached to it. The regulator takes the regulating circuit into use according to the supply water sensors. The assumption is that there is a basic regulator. It is possible to change to a self-learning regulator.

  • Page 19: Alarms

    OUMAN EH-201/L ALARMS! ALARMS! EH-201/L gives as alarm when a situation deviates from the norm. In the event of an alarm, the regulator gives an alarm and a message appears on the display. In addition, the alarm relay contact closes. Note! Although the reason of the alarm is no more valid, the last alarm will remain into display intil it is acknowledged.

  • Page 20: Gsm Functions

    OUMAN EH-201/L GSM-FUNCTIONS When a GSM modem is connected to EH-201/L, a GSM telephone can be used to communicate with the regulator via text messages (installation p 38). Almost all of the user level functions that are mentioned in this manual can be carried out using a GSM phone.

  • Page 21: Entering The Maintenance Mode

    OUMAN EH-201/L OUMAN EH-201/L ENTERING THE MAINTEN. MODE Access to the Ouman EH-201/L maintenance mode is prevented by user rights. Only those persons who have a maintenance code have access to the maintenance mode. There are typical tuning values and settings in the maintenance mode which the maintenance person needs in conjunction with installation.

  • Page 22: Tuning Values

    OUMAN EH-201/L OUMAN EH-201/L TUNING VALUES EH 201/L has PID regulator. The tuning values may have to be adjusted, for example, when the district heating exchanger is installed if the setting wavers with the original factory setting. Directions for entering the Tuning takes place in the following manner: maintenance mode are on page 21.
  • Page 23 OUMAN EH-201/L OUMAN EH-201/L SETTINGS Ouman EH-201/L has three types of settings: user level settings which the user can adjust (p. 6-8) maintenance mode settings which the maintenance person may have to adjust special maintenance mode settings which seldom have to be adjusted (p.

  • Page 24: Trends

    OUMAN EH-201/L OUMAN EH-201/L TRENDS It is possible to follow supply water temperature changes on the trend Directions for entering the display with the graphic depictor. You can decide yourse lf how often maintenance mode are on page 21. the temperature is measured. The factory set sampling interval is 1 second.

  • Page 25: Actuator Selection

    OUMAN EH-201/L OUMAN EH-201/L ACTUATOR SELECTION The control mode for regulating circuit actuator is selected in actuator selection. Options are either 24 VAC 3-point control or DC voltage control (0...10V or 2...10V). If relays 1 and 2 are free, they can be Directions for entering the utilized to implement 230VAC 3-point control.

  • Page 26: Relay 1 Control Selection

    OUMAN EH-201/L RELAY 1 CONTROL SELECTION EH-201/L has two 230VAC/6A relays. Relay 1 is a break before make contact relay and relay 2 is an on/off relay. The relays can be used for many different purposes. If the relay has been selected for time control use, it can be labeled according to its use using the text editor (e.g., sauna, outside door etc.).
  • Page 27 OUMAN EH-201/L OUMAN EH-201/L Add. inform. about relay 1 control Explanation: On the display: Relay 1 is not being used. Not in use The pumps stop (relay 1's space 73 and 74 opens) and the selected valves close when the Pump sumr stop outdoor temperat.

  • Page 28: Relay 2 Control Selection

    1 for 230V actuator control. After this you can begin using 230VAC 3-point control in the "actuator selection" mode (see page 25) If EH-201/L is used for burner control (see p. 26-27), the regulator can also control the El.Heater ctrl heating resistor according to the same measurement data (meas.

  • Page 29: Restore Factory Settings

    OUMAN EH-201/L OUMAN EH-201/L RESTORING SETTING Restoring settings: 1. The regulator restores factory settings to the charasteristic heating curve settings. 2. Eliminates clock functions 3. Restores user and maintenance level settings 4. Selects automatic control for the operating mode 5. Selects the basic regulator for the regulator type.
  • Page 30 OUMAN EH-203 ERIKOISHUOLTO Asetusarvot In the Ouman EH-201/L heating regulator the user can adjust most of the settings (see settings p. 6-8). Some of the settings that control the regulator's functions can be set in the maintenance mode (see page 23) Directions for entering the and some in special maintenance.

  • Page 31: Measurement 6 Setting

    OUMAN EH-201/L OUMAN EH-201/L MEASUREMENT 3 SETTING In this special maintenance mode, measurement 3 can be changed to just a free temperature measurement or wind or sun compensation measurement. The H1 room compensation is a factory Directions for entering the setting.
  • Page 32 OUMAN EH-201/L OUMAN EH-201/L Measurement 3: Wind/ Sun meas. When you connect the wind or sun sensor to measurement 3, you instruct the regulator when you want the wind or sun compens. to function. Calculate compensation limits (min/max) in the same way regardless of which sensor is in use.

  • Page 33: Digital Inputs 1 And 2

    OUMAN EH-201/L OUMAN EH-201/L DIGITAL INPUTS 1 AND 2 EH-201/L has two digital inputs. They can be used either for receiving alarms, receiving information about exhaust fan running at ½ speed, receiving a temperature drop command from the home /...
  • Page 34 (the switch opens the dig 1 space) Automat function: The EH-201/L regulator attempts to keep the temperature of the accumulator at the "Accumulator" temperature (meas.10) set by the user by controlling the compressor or heating resistor following manner: Function and temperature limits...
  • Page 35 OUMAN EH-201/L OUMAN EH-201/L LON INITIALIZING Ouman EH-201/L has an LON-200 adapter card (optional equipment) (contains an FTT-10A bus adapter) which makes it possible to connect the regulator to an LON field bus. In this special maintenance mode you can control the Neuron processor's service pin which is on the...
  • Page 36 OUMAN EH-201/L OUMAN EH-201/L NET MEASUREMENT Ouman EH-201/L has an LON-200, EH-485 and MODBUS-200 adapter card (optional equipment). In this special maintenance mode you can select which measurement information is to be read from the net. Directions for entering the If you selected to read wind or sun measurements from the net, maintenance mode are on page 21.
  • Page 37 EH-201/L is compatible with Falcom A2D and Siemens M20T Siemens M20T modems. Ouman/Fargo Connecting the GSM modem's D-9 con nector to the EH-201/L regulator: GSM-modem jumper wire ESC - press to return to the previous display Group select button - not in use in EH201/L...
  • Page 38 OUMAN EH-201/L OUMAN EH-201/L TEXT MESSAGE SETTINGS (NET SOLUTION) Example of bus connection That which is presented on this page is in effect when a modem Fargo modem EH-201/L has not been directly connected to the regulator. Communication occurs supply voltage feed 5...32VDC...
  • Page 39 OUMAN EH-201/L OUMAN EH-201/L Direct computer connection The Ouman EH-201/L regulator can be connected directly to a computer. DATAJAMAK cable is used to make the connection. Attention! If there are interferences in data transfer, try connecting the cable cover to the D-25 connnection pin no. 1 (protective GND).
  • Page 40 OUMAN EH-201/L OUMAN EH-201/L INSTALLATION AND MAINTENANCE GUIDE EH-201/L is fastened to its mounting base with three Changing the fuse: screws (two mounting points under the cover in the connection space and one in the installation bracket. Cables can be brought for the regulator from above (standard factory delivery) or from below.
  • Page 41 OUMAN EH-201/L OUMAN EH-201/L GENERAL CONNECTION DIAGRAM Field apparatus Cabling Yellow DATAJAMAK EIA-232 RX Fargo- RS-485 bus Brown 2x(2+1)x0,24 modem's connection Green EIA-232 GND connection See example, connection Jumper wire page 38 EIA-232 TX wire 2 x 0.8 Meas.1 Outdoor sensor 2 x 0.8...
  • Page 42 RS-485 bus by directing traffic in the net. PAN-200 With the help of panel installation kit PAN-200 the regulator EH-201/L is easy to install for example to the control cabin. The size of the installation hole is 222 mm x 138 mm.

  • Page 43: Lon Initialization

    OUMAN EH-201/L OUMAN EH-201/L INDEX Actuator control mode Name change Actuator selection Net measurements Alarms 18, 33 Night drop 6, 12, 20, 33, 34 Alarm labeling 18, 33 Nominal temperature 12, 20 Alarms directed to a GSM 37, 38 Approvals 44...

  • Page 44: Tel.+358 424 8401

    OUMAN EH-201/L OUMAN EH-201/L Technical information: Operat. voltage: 230 VAC, 50 Hz, 0.16 0mA Digital inputs: 2 pieces The potential free contact is Casing: PC/ ABS connected to the digital input (load 6...9 VDC / 20 mA) Protection class: Without cover seal IP 41...

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