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ouman eh-203 - Skills Finland ry

1. HW OPERATING INSTRUCTION oma Press ESC until the display no longer changes gt You are then in the Selection display shown in the adjoining picture 7 Press OK Press the a button to move from one regulating circuit to the next H1 H2 HW Press the 5 button to move cursor to Settings Press OK Changing the heating regulating circuit setting Press the button to move the cursor to the setting that you want to change Press OK lax Press the or button to change the setting Press OK OSHS SES Exit with ESC Wind compens 3 b Sun compens Changing the domestic hot water temperature Pre increase Autumn dry Burner ON El Heater ON Valve close R1 Temp lim Use the a button to move to domestic hot water regulating circuit HW Press OK Press the or button to change the setting Press OK Exit with ESC INFORMATION ABOUT SETTINGS Settings nge Room temp 21 5 C 5 0 45 0 C Room temperature setting which user has set temp drop period regulator use the calculated Temp drop w 0 C 0 35 C The supply water temperature drop determined room temp setting which is supply water by the clock program or the external home away M ND switch Room compensation takes a desired drop Room temp Temp drop w in room temperature into account EROOm COMDenS Min limit 15 C 9 95 6 Minimum allowed supply water temperature Set the minimum limit for floor
2. MWor TMS i 65 2 084 70 1753 Putting sensor into use and removing it from use 15 1482 If the outdoor sensor is not connected the regulator assumes that the outdoor temperature is 80 1259 0 C and a sensor fault message appears on the display Outdoor temp err When the outdoor 90 917 sensor is connected the regulator automatically takes it into use After adding other sensors P e you must go to start function See page 17 OUMAN EH 203 SUPPLY WATER INFORMA 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 OPERATING INSTRUCTION utomatic Press ESC until the display no longer changes 15 You are then in the Selection display shown in the adjoining picture 52 Press OK Press the A button to move from one regulating circuit to the next H1 H2 Press the e button to move cursor to Info water temp Press OK Press the E button to browse factors which determine the supply water temperature nfo water temp DH Energy meas Exit with ESC Supply water temp at the present outdoor temp accord to the curve The effect of a parallel shift on the supply water temperature Room comp Effect of room compensation on supply water RoomCompNigh Effect of room compensation on supply wa
3. 0 N 10 11 OUMAN EH 203 MEASUREMENTS Addition Y ent inform ation tting inge Outdoor temperature 50 50 H1 Supply Supply water temperature in regulating circuit H1 0 130 H1 Room Room temp in regulating circuit H1 room comp 10 80 H1 Ret water Return water temperature in regulating circuit H1 0 130 H2 Supply Supply water temperature in regulating circuit H2 0 130 Cold water Free measurement name using the text editor 10 80 H2 Room Room temp in regulating circuit H2 room comp Wind Wind speed of sensor s range Network pressure Pressure in the heating network HW supply HW domestic hot water supply water temp 0 130 HW circul wat Temp of HW return water in heat exchanger 10 80 an anticip sensor is used in the HW heat exchanger to improve the setting results H2 Return Free measurement name using the text editor 0 130 DH ReturnHE3 Free temperature measurement that can be 0 130 labelled or a measurement that controls the burner and or heating resistor DH ReturnHE2 Free measurement name using the text editor 0 130 DH m3 Measured consumption of DH water m 0 99999 9 Inst I s Momentary district heating water consumption l s 0 120 DH Mwh Measured energy consump of DH water MWh 0 99999 9 Inst KW DH energy consumption in kW 5 min period 0 3276 7 Wat m3 Measured water consumption of facility m 0 99999 9 ActuatorH1 Actuator position in
4. L A H Meas 4 Qo H2 supply water sensor TMW or TMS a ii T 8 H Meas 5 Free measurement 2 x 0 8 S TMW or TM a Meas 6 Name using the text editor ae E O S Qn Supply water sensor HW TMW or TMS es f J A a E Meas 7 Q O HW circulating water sensor TMWor TMS Eii Meas 8 Anticipation sensor v g i Free measurement TMW or TMS 2x0 8 J a Meas 9 Name using the text editor Lor TMEXH S Free measurement TMW or TMS 2x0 8 M 8S Meas 10 Name using the text editor O sy Free measurement 2x0 8 gt Name using the text editor ENS g Meas 11 p 2x0 8 gt N Pulse information contact inform H 8 N Dig 1 N pr a N Pulse information contact inform Sy es ee 2s re Dig 2 O Q I posers RN a Pulse information contact inform S 2x08 o 2 A lt Dig 3 9 8 N Alarm information from regulator har 2x0 8 Ss Alarm max 46V 1A 8 contact 24 VA gt Qt 24 VAC output E eS y O m 24 VAC J T output 24 VAC x51 P EPOE Open ak S ctuator contro circui L x O OI 5 al 902 24 VAC W W S Actuator H1 lt 0 10V m g Closed a st DC input S54 x 5 eZ Q 24 VAC 955 Of 8 Open N ag Q a Actuator control H2 circuit a 3 x 0 8 cn g ae 856 G 24 VAC ej amp Actuator H2 S E D Closed S Sl o a amp DC input 258 S ai 8 amp 9 24 VAC 859 H S Open RG ja Actuator contro circuit o 3x0 8 S a 860 24 VAC juna
5. P Clock functions Type info g Press the button to move cursor to the regulating circuit or relay control circuit whose time controls you want to access browse add or delete Press OK Relay time control is in use when the relay in guestion is reserved first for time or time outdoor temperature control see p 26 27 HW increase is in use when the amount of the HW increase has been set in the special maintenance mode see p 23 R1 time program R2 Control HW temp incr Browse location for additional programming Press the button to browse the clock programs which have been made If you want to make additional programs move cursor to first empty program block Set the start time for the temp drop program Press OK Temperature drop start time hours blink Press the or button to set hours Press OK Minutes blink Press the or button to set minutes Press OK Set the weekdays when the start time is effective Press the or button to select weekday The day is left unselected press the button to delete the selection The selection shown on the display is taken into use with the OK button Make your selection for each day and press OK Set the end time for the temp drop program Press OK Hours blink Press the or button to set hours Press OK Minutes blink Press the or button to set minutes Press OK Set the weekdays when the end time is effective Press the button to select weekda
6. Press OK Press the b button to browse measurement information received from the district heating energy meter Exit with ESC DH Supply Measured district heating supply water temperature C DH Return Measured district heat return water temperature C DH Energy District heating energy consumption meter reading kWh DH Water District heating water consumption as a meter reading m3 ID District heating meter identification code reading from the district heating meter If appears in place of the measurement value the controller has not read the measurement information in guestion The reason for this may be that the energy meter does not support this measurement Momentary output and Momentary flow energy meter measurements can be read from the controller s Measurements menu KEYWORDS DH Energy Measurements Use the key word DH ENERGY to receive via text message the same measurement information that is in the controller s menu The same text message can be automatically sent monthly on a selected day to two different GSM numbers e g a report to the electric company and caretaker Instructions on p 34 Energy meter Use the keyword Measurements consumption to obtain information about the facility s district heating output and water 11 Each regulating circuit can be controlled with the operating modes mentioned below The factory set automatic regulation is a norma
7. of 0 C Press OK 20 Press the button to move to the next adjustment point 20 C Outdoor temp Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Exit with ESC 5 point curve taken into use in special maintenance see p 33 You can adjust the characteristic heating curve using outdoor temperature settings 20 C and 20 C as well as three other outdoor temperature settings between 20 C 20 C Note Automatic characteristic heating curve proposed correction is not in use 80 Adjustment point 1 AS 20 onli Tit 20 18 C y 200 20 C Adjustment points 2 4 Adjustment point 5 OUMAN Supply water Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Press the g button to move to the next adjustment point Press OK Press the or button to set the 20 outdoor temperature for which you want to determine the supply water temperature Press OK Press the or button to set the supply water temperature for the outdoor temperature in guestion Press OK Press the v button to move to the next adjustment point 20 C Outdoor temp Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Exit with ESC OUMAN EH 203 Instructions for setting the curve CURVE INTERPRETATION
8. 6 1 A and 1 norm open contact relay 230 VAC 6 1 A Relay outputs Alarm relay outputs 1 24VAC 1A Information transfer Standard equipment EIA 232C connection Optional equipment RS 485 MODBUS or LON Operating temp 0 50 C Storing temperature 20 70 C Approvals EMC directive 89 336 EEC 92 31 EEC Interference toler EN 61000 6 1 Interf emissions EN 61000 6 3 Small voltage direct 73 23 EEC Safety EN 60730 1 eo Warranty yeas Mane l AA46 Manufacturer Ouman Finland Oy Kempele Finland Supply water regulation according to the outdoor temperature including the inside temperature measurement room compensation and wind compensation Supply water regulation according to the outdoor temperature including the inside temperature measurement room compensation and sun compensation gt Ni ZM 5 Supply water regulation according to ma the outdoor temperature including the da i Inside temperature measurement room compensation and both sun net measurement and wind compensation Ouman Finland Oy Tel 358 424 840 1 Voimatie 6 Fax 358 8 815 5060 90440 Kempele e mail ouman ouman fi FINLAND www ouman fi We reserve the rights to make technical changes
9. Multical 66 ja 401 e Enermet Kamstrup 9EVL e Enermet Kamstrup 10EVL opto card e Enermet Kamstrup 11EVL gt Automatic Automatic 15 52 nfo water temp gt DH Energy meas Operat modes eturn 41 50 C DH Energy 18500kWh DH Water 3550m3 ID171226240521 Measurement information from the district heating energy meter can be read to the Ouman EH 203 by using EMR 200 read head optional equipment Ouman EH 203 has a connector for the read head The function is activated in the controller s special maintenance menu see Energy meter p 34 Measurement information can be read from the controller s display and it can also be read from the net or as text messages if these functions have been taken into use The EVL type district heating energy meter has only one serial port from which a reading can take place If a wireless Keithin ehdotus han sanoi etta radioluku on hassu termi or modem is connected to it it is not possible to use the EMR 200 at the same time Kamstrup Multical 66 and 401 both have two serial ports so district heating energy meter measurement data can be read simultaneously e g via a radio card or modem for the district heating centre or via EMR 200 for the caretaker OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press OK Press the button to move cursor to Energy meas
10. When the outdoor temp is 80 5 20 C the supply water is 58 C 5 g 5 0 C the supply water is 41 C O55 20 C the supply water is 18 C SEE 052 Attention 20 0 20 C The temperature of the supply water may vary from the curve if a reduced operation mode room wind or sun compensation has been connected to the regulator or if one of the limiting functions limits the temperature see p 10 If the outdoor sensor is disconnected or if the sensor is broken the regulator assumes that the outdoor temperature is 0 C use during construction without the outdoor sensor Outdoor temperature EXAMPLES OF DIFFERENT HEATING SYSTEMS a Normal radiator network B Floor heating C Preheating for air conditioning H1 circuit factory setting H2 circuit factory setting 80 80 65 65 50 50 35 35 20 20 INSTRUCTION 20 0 20 C 20 0 20 C 20 0 20 C 5 POINT CURVE If the room temperature drops in sub zero weather raise the curve setting at 20 C If the room temperature rises in sub zero weather lower the curve setting at 20 C If the room temp feels chilly at zero degree weather raise the curve setting at O C In this way you can set the regulating curve to meet the heating needs of your facility Parallel shift If the room temperature remains constant but it is either too cold or too hot the characteristic heating curve can be moved using a parallel shift The number of degrees of the parallel s
11. alarm When the contact is open 1 appears on the display 30k9 When the switch closes an alarm goes off and the alarm alarm goes off and the alarm in guestion appears on the in guestion appears on the display display The regulator s three digital inputs can be used for receiving alarms The alarms can be labeled according to topics e g water damage installation p 32 33 When the contact which is connected to the digital input closes an alarm goes off and err appears on the display If the alarm is not labeled Alarm Dig 1 2 3 will appear on the display In the event of an alarm the alarm relay contact closes strip connectors 31 and 32 K N 24 VAC 1A N j i 2x0 8 Alarm ae center 0 Turn the alarm off by pressing any button The display will return to the mode it was in before the fault appeared or if there are additional sensor faults their alarm information will appear on the display If you don t press the keyboard in 20 seconds the alarm will return to the display if the fault has not been corrected Note If a MODBUS 200 is connected the alarm is acknowledged automatically locally the alarm will stop sounding the alarm relay will open and the alarm display will disappear Opening alarm When the contact is closed 9 1 appears on the display When the switch open an 0k9 The GSM modem optional eguipment offers an economical miniature monitor soluti
12. been selected from the different regulator circuits Changing the regulator type Press the button to move the cursor and press OK Self learning occurs if the room temperature varies at least 1 C from the set value when the outdoor temperature is in a 5 5 C or 15 25 C range for at least 4 hours Automatic adjustment of the characteristic heating curve occurs at 0 C or 20 C The adjustment rate is 1 C in 4 hours The maximum adjustment of the set curve is 10 If the characteristic heating curve setting is changed self learning starts from the beginning The room sensor TMR has to be in use in order for self learning to take place The self learning setting must not be used if the room compensation unit TMR P is in use Self learning does not function during a temperature drop Examples of self learning function If the outdoor temperature is between 15 25 C self learning occurs at the characteristic heating curve s 20 C setting For example if the setting value is 58 C the self learning area is 52 64 C 10 of the set value If the outdoor temperature is between 5 5 C self learning occurs at the characteristic heating curve s 0 C setting For example if the setting value is 41 C the self learning area is 37 45 C 10 of the set value EH 203 gives as alarm when a situation deviates from the norm In the event of an alarm the regulator gives an alarm a
13. bracket Position the unit so it is level Screw the regulator firmly into place using two screws through the connection space If you want to bring the cables to the regulator from below you must turn the keyboard display unit according to the following instructions Changing the cabling direction Remove the clear cover Press as illustrated in the picture and pull the cover out of place Detach the keyboard display unit carefully by prying it with a screwdriver Turn the keyboard display unit into the opposite position Press the keyboard display unit carefully into place GENERAL CONNECTION DIAGRAM v8 i m L A mecemuconnecnen v gt Field apparatus Cabling EH 203 heating regulator Fargo Br W S Information transfer bus Mealy Oz connection EIA 232 connecting cable Jumper ao EIA 232 RX eee Z S gt Net wire T 2x 2 1 x0 24 o m 8 EIA 232 GND W connection If the modem is connected to the S EIA 232 TX RO RS 485 bus see Connection in the RU instructions that come with the RS 485 card R Outdoor sensor TMO p eos F Meas 1 a N H1 supply water sensor TMW or TMS Jee Meas 2 Q O H1 room sensor TMR ee E Oo __ amp N Meas 3 Qt H1 return water sensor TMW or TMS i gt
14. circuit HW Press the 8 button to move to the HW circuit No temp incr and Contin incr can be selected from control modes after the amount of temperature net meer increase has been given in maintenance mode settings See p 23 HW Manual electr increase Additional information about operating modes in heating regulating circuits H1 and H2 Automatic control Nominal operat mode Reduced operat mode Stand by o C D Supply water Es msi Room temperature Temperature drops occur The regulator keeps a Continuous reduced Free supply water according to the clock program nominal temperature on temperature nighttime temperature drop down disregarding the clock drop is on regardless to the freeze protect limit program of the clock program stand by function KEYWORDS H1 Operat modes H2 Operat modes DHW Settings 2 OUMAN EOE chock FUNCTIONS setting he time HW a a E DH Energy meas Operat modes b Clock functions Language kieli R2 Control 15 45 2006 Thursday OUMAN Setting the time happens in the following manner OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press OK Press the o button to move from one regulating circuit to the next H1 H2 HW Press the 8 button to move cursor to Clock function
15. conTroL CIRCUITS Label the control circuit according to its target area E g floor heating or preheating for ai ditioni Directions for entering the maintenance mode are on page 21 Dig2 selection Dig3 selection Curve type b Regul Circ Name LON initializ v After labelling control circuits the top row of the controller s basic display will alternately display the control mode and name of the control circuit Press the button to move the cursor to Regul Circ Name Press OK Move the cursor to the control circuit H1 H2 that you want to label Press OK Press the 8 button to move the cursor to Give new label Press OK blinks Write the name using the text editor You can move forward or backward in the character row with the or button Confirm the number by pressing OK then the same number that you selected will blink in the next space Whichever has been selected last can be deleted by pressing ESC If you press the ESC button for a while the number will be deleted and the number that was previously fed will remain in effect When you are ready press OK for a while over 2 secretary 33 Directions for entering the maintenance mode are on page 21 gi selection gt Dig2 selection Dig3 selection Curve type Regul Circ Name b Enrgy meter LON initaliz Take into use 1 District heating energy consumption reading from an energy meter
16. for regul circuits H1 and H2 maximum amount that the wind compensation meas 6 or net can raise the supply water temperature Wind compensation can also be used as a general compensation e g sun compensation In that case give a negative setting OUMAN Hv attings ettings Sun compens 0 C Pre increase 0 C 0 25 C G Nominal temperature lt Pre ihcrease time A mainten person set Room temp Autumn dry 2 C 0 15 C Average temp In a 24 hour Outdoor temp LT Average 24 hours A time period temp curve of at least 20 days 122 P MMA sere Tme day Aiai drying function on Burner ON 10 C 595 C El Heater ON 50 C 5 95 C Valve close 19 C 5 50 C Pump stop 19 C 5 50 C R1 Temp lim 55 C 0 100 C DomHot wat 55 0 C 5 0 95 0 C OUMAN KEYWORDS H1 Settings H2 Settings DHW Settings The room temperature of a house having large windows with a south exposure rises on a sunny day even in subzero weather The reading indicates the maximum amount that the sun compensation can drop the supply water temp The automatic pre increase in degrees which occurs after a reduced operation nighttime drop The pre increase makes it possible to raise the room temperature faster to a nominal room temperature day temp after a reduced operation A maintenance person must set the length of the pre increase time see maint
17. has to be written in front of the key word when a with the controller es m kj 485 field bus a Master device I O master Eaz 232__ L 4 f GSM modem Press the 8 button to move the cursor to Text message Press OK Installing receivers for alarm messages A GSM telephone can receive alarms and also acknowledge them A telephone number is given here that the regulator automatically sends a text message to about an alarm in the event of an alarm At first the alarm message is only sent to GSM number 1 If the alarm is not acknowledged from this number after five minutes the regulator sends a new alarm to both GSM numbers 1 and 2 Net measurement Press the 3 button to move the cursor to Change Press OK O blinks Write the telephone number using the text editor You can move forward or backward in the character gt TextMessageSett J row with the or button Confirm the number by pressing OK then the same number that you selected will blink in the next space Whichever has been selected last can be deleted by pressing ESC If you press the ESC button for a while the number will be deleted and the number that was previously fed will remain in effect When you are ready press OK for a while over 2 secretary Installing the device ID When an RS 485 field bus is used for text message connections the regulators are identified using a dev
18. heating circuit tiled floors between 20 25 C to ensure a comfortable temperature and removal of moisture in the summer Max limit 70 C 20 125 C Maximum allowed supply water temperature Minimum limit The maximum limit prevents the temperature in the heating circuit from rising too high preventing 19 damage to pipes and surface materials If e g Maximum limit the characteristic heating curve setting is incorrect the maximum limit prevents excessively aean a hot water from entering the network Set the 65 upper limit for floor heating between 35 40 C Parallel shifts 50 Parall shift 0 C 15 415 C A parallel shift occurs when a change in supply a water temperature occurs at each adjustment 20 point 20 0 20 C Room compens 4 0 C 0 0 7 0 C Room compensation ratio If the room Room sensor TMR must be temperature is different than what it is set at the connected H1 meas 3 H2 4 room compensation corrects the supply water meas 6 or net temperature Eg If the room compensation is4 An appropriate room and the room temperature has risen 1 5 C above compensation ratio for floor the setting the regulator drops the supply water heating is usually between 1 5 temperature 6 C 4x1 5 C 6 C 2 0 C Wind compens 0 C 7 C_ Ahousecools down in windy weather In that Wind sensor must be case the wind compensation raises the supply connected the same sensor water temperature The reading indicates the
19. hysteresis is 3 C setting range 1 10 C Burner control The factory setting at which the burner starts up is 70 C setting range 5 95 C and the hysteresis is 3 C setting range 1 10 C ADDITIONAL INFORMATION ABOUT RELAY CONTROLS On the display Explanation Not in use Relay 1 is not being used HeatPump contri Auto Select Auto to put summer stop into use The pumps stop relay 1 s space 73 and 74 opens and the selected valves close when the outdoor temperature is warmer than the pump stop setting During a stop period the pump pumps runs run for a few minutes every week to prevent them from getting stuck interval use On Select ON for the pump to run continuously 73 74 closed Off Select OFF for the pump to stop 73 75 closed The Time program The regulator time controls any electric apparatus using the relay e g a sauna stove door locks tem Timing programming and control mode selection is done in clock functions p 15 In the timing a fe program s ON mode the relay is activated The control mode can also be changed using a GSM telephone see p 19 20 Time Outd Temp The regulator controls relay 1 by time In the ON mode the relay is activated The ON mode is prevented if the outdoor temperature is colder than the relay 1 s set outdoor temperature limit See p 29 Timing outdoor temperature control is suitable for exhaust fan control Control gt 73 s 1 1 speed ON mode
20. is a factory setting in H1 and H2 control circuits and 0 10V control with a driving time of 15 s is a factory setting in the DH control circuit 230V 3 point control can be selected after the relays have first been reserved for 230V actuator control After you select the actuator control mode the controller reguests the actuator driving time The running time indicates how many seconds go by if the actuator drives a valve nonstop from a closed position to an open position Press the or button to set the time Press OK The character indicates which control mode is being used The a button moves you from one regulating circuit to the next 0 10V or 2 10V DC controlled 3 point controlled actuator actuator 24VAC 230 VAC 51 A 71 72 155 74 24 _L 0 10V Closed L Open Actuator 230 VAC 3 point H1 actuator H2 actuator HW actuator control output M1 control output M2 control output M3 Attention If 230V actuator has been selected for relays 1 and 2 one 230VAC 3 point controlled actuator can be connected to the regulator for any regulating circuit H1 H2 or HW Selection of relay control modes is shown on pages 26 and 27 Ouman M41A15 25 RELAY 1 CONTROL SELECTION EH 203 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
21. modes Clock functions Language Keel b Type info Start function OUMAN Type information indicates which regulator is in guestion and which program version is in use There are two heating circuits and one domestic hot water regulating circuit in the Ouman EH 203 regulator OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press the o button to move from one regulating circuit to the next H1 H2 HW Press the 8 button to move cursor to Type information Press OK Ouman Finland Oy invests strongly in continuous product development The version number informs the producer which version is in guestion The serial number is connected to the production process so the manufacturer can determine exactly which regulator is in guestion 17 RNP START FUNCTION Regulat mode sel HW Vv SELF LEARNING INFORMATION DH Energy meas Operat modes Clock functions Language Keel Type info gt Start function al H2 Basic regu H2 Self learn H2 Not in use o HW Regulator HW not in use 18 TMR TMR P Indicates that self learning is in use OUMAN In the start function the regulator detects the sensors that are attached to it The regulator takes the regulating circuits H1 H2 and HW into use according to the supply water sensors The assumption is that there is a basic regul
22. regulating circuit H1 ActuatorH2 Actuator position in regulating circuit H2 ActuatorHW Actuator position in regulating circuit HW al int Can be read through the net Can be read through the net Interchangeable p 30 If several compens are needed the data must be read through the net and the wind is m s and the light is lux p 36 Relay 1 controls the burner a nd relay 2 controls the heating resistor Consumption data can be read as digital inputs or through the net Appears only when using a 0 10V 2 10V controlled actuator INSTRUCTIONS FOR CONNECTING SENSORS JE 2x0 8 E 5 Outdoor temp sensor TMO Meas 1 C 2x 0 8 30 177 100 H1 Supply water sensor Nuon s Meas 2 25 130400 2 x 018 Menan 20 96890 H1 Room sensor m 15 72 830 2x0 8 10 55340 H1 Return water sensor ra Meas 4 5 42 340 2x0 8 H2 Supply water sensor TMW or TMS 1 3 Meas 5 5 yi 2x0 8 10 19 900 Free temp measurement Cold water MW or Tus J o SAS 15 15 710 2x0 8 HW supply water sensor TMW or TMS 1 Meas 5 a HW circulating water sensor TMW or TMS 2x 0 8 4 Meas 8 30 8 064 anticipate sensor lt 35 6 531 Free temp measurement 2x0 8 40 5 330 DH ReturnHE3 MWorfMS N 2 45 4 368 Free temp measurement TMW or TMS 2x0 8 Meas 10 50 3 602 DH ReturnHE2 O 55 2 987 2x0 8 Free temp measurement Meas 11 60 2 490 Meas 11
23. see p 11 2 Automatic reporting from an energy meter by text message If using automatic reporting set the day when the report is to be sent and the GSM numbers that the report is sent to The controller automatically sends a monthly consumption report by text message from the energy meter to two selected GSM numbers DH Energy DH Supply 102 30 C DH Return 41 50 C DH Energy 18500kWh DH Water 3550m3 ey ID171226240521 Press the 8 button to move the cursor to Energy meter Press OK Taking automatic reporting into use Press the button to move cursor to Connected Press OK A report is not sent when the set value is O Otherwise the report is sent on a set day If there are fewer days in the month than the set reporting day the report is sent on the last day of that month Write the GSM number that the controller sends the report to from the energy meter as a text message the number is given with the text editor as follows Press the button to move the cursor to Change Press OK O blinks Write the telephone number using the text editor You can move forward or backward in the character row with the or button Confirm the number by pressing OK then the same number that you selected will blink in the next space Whichever has been selected last can be deleted by pressing ESC If you press the ESC button for a while the number will be deleted and the number that was previously f
24. 2 Actuator HW Q Closed Qo 0 10V DC input 62 8 R Relay control 2x15 N E Bi TR Relay 2 R2 230VAC 6 1 A L N s JA A L lt RO Relay control 3x 1 5 N M SIN E Relay 1 R1 230VAC 6 1 A Ro N SIE Note Connect a protective cable O S if an LON card is installed in the EH 203 SN NO N 3x1 5 S lt co Distribution center n 0 w N power supply 230 VAC L N 41 42 Surface mounted thermostat CO1A AC 250V 15 2 5 A OUMAN LON 200 L ON 200 is an adapter card which makes the EH 200 series controllers serial communication bus compatible with the LON 200 field bus Installation and initialization instructions come with the LON 200 adapter card EH 485 Ouman EH 203 has an EH 485 bus adapter card as optional eguipment which makes the EH 203 controllers serial communication bus compatible with the RS 485 field bus MODBUS 200 MODBUS 200 is an adapter card which makes the EH 200 series controllers serial communication bus compatible with the RS 485 field bus The physical interface to the field bus is galvanically isolated RS 485 network C01A 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 A mechanical thermostat should be installed on a supply water pipe which stops the circulation pump in case of overheating Set the thermostat at 40 45 C Set the EH 203 regulator s m
25. 203 controller to e g the control cabin The size of the installation hole is 222 mm x 138 mm Actuator control mode 25 Actuator selection 25 Alarms 18 32 Alarm labeling 8 32 Alarms directed to a GSM 36 37 Alternate pump 27 Anti bakteria function 14 23 Anticipation function 9 22 Approvals 44 Automatic control 12 Autumn drying 7 Backup pump 27 Battery changing 40 Browser using 39 Burner control 7 26 Bus adapter card 35 42 Cabling 40 Characteristic heating curve type selection 33 Circulat pump summer stop 7 26 Clock programs 14 15 Consumption alarm 32 Connection instruction 41 Deviation alarm 18 Deviation alarm delay 29 Device ID 36 37 DH energy consumption 8 9 32 DH output limiting 28 32 DH water flow limiting 29 32 DH water consumption 9 29 32 Digital inputs 32 District heating energy meas 11 34 Door locks 14 15 EH net 39 42 Exhaust fan 2 speed 29 32 Energy consumption 9 32 Energy meter 11 34 Field bus 35 37 Fill alarm 31 Floor heating 5 Forced mode 12 15 Fuse changing 40 Freeze protect limit 29 Freezing risk alarm 18 GSM modem 36 GSM functions 19 20 Heating curve setting 4 5 Heating network pressure alarm 31 Heating pump control 26 27 Heating resistor control 27 Home away switch 32 10 HW overheating alarm 18 HW overheating alarm delay 29 HW temperature increase 12 14 HW temperature setting 7 Input Output unit 37 42 Installation instructions 40 Labellin
26. 7 26 Waste water tank alarm 18 Water limit 28 Water pressure 31 18 Wind compensation 6 30 35 43 Technical information Operat voltage 230 VAC 50 Hz 0 20 A Casing PC ABS Protection class Without cover seal IP 41 Measurements mm Weight 1 2 kg Cabling direct From above or below turnable display and keyboard Through holes on the bottom Regulator type Heating circuit s PID domestic hot water circuit s PID exchange quick run Measurements 11 pieces NTC 10 KQ Clock programs max 7 program phases regulating circuit The regulating circuits have 14 all together max 7 program phases relay begins ends 1 program phase Regulation principles CW Supply water regulation according to the outdoor temperature Supply water regulation according to the outdoor temperature including the Inside temperature measure ment room compensation Supply water regulation according to the outdoor gt Ji temperature including wind compensation Supply water regulation 2 EI according to the outdoor temperature including sun compensation net measurement 44 OUMAN Digital inputs 3 pieces The potential free contact is connected to the digital input load 6 9 VDC 20 mA Outputs 3 actuator control outputs 3 point 24 VAC or voltage control 0 10 V or 2 10 V Actuator s combined output power max 25 VA 1 break before make contact relay 230VAC
27. AN Measurement 6 can be used as a free temperature measurement Room temperature measurement wind measurement or measurement of the pressure in the heating or ventilation network It is factory set as a free temperature measurement labelled Cold water The label for Measurement 6 can be changed using the text editor 0 10V transmitters are used in wind pressure measurements In this mode you can set the wind transmitter area that wind compensation occurs at The wind compensation temperature amount is set in Settings see p 6 A pressure transmitter can be used to set alarm limits for upper limit fill and lower limit alarms Press the button to move the cursor to Meas 6 setting Press OK Selecting measurement Press the 8 button to move the cursor to what you want to connect to measurement 6 Press OK The character indicates which measurement has been chosen for measurement 6 Labeling measurement 6 using the text editor The factory setting for measurement 6 is Cold water Relabeling is shown on page 8 Setting limits for the wind sensor measurement message Setting the limit for the wind sensor measurement message You must set compensation area limits in volts The minimum limit indicates where in the emitter s measurement area compensation begins and the maximum indicates at which measurement area the compensation is at a maximum level To set the amount of compensation see p 6 Press OK Pre
28. Myllytullin yksikk 19 1 2010 Jouni Lievonen Lajikuvaus TAITAJA 2010 01 19 Elektroniikka Teollisen laitteen rakentaminen Kilpailuteht v n pohjana on OUMAN EH 203 l mm ns din 1 Kilpailussa kootaan EH 203 elektroninen s t laite n ytt n pp inyksik n kokoonpano piirikorttien testaus testausj rjestelm ll asiakasohjelmien asennus laitteen kokoonpano 2 EH 203 s t laitteen asennus ja kytkent simulaatiovastusten asentaminen ulkoanturi menovesianturi relel hd n kaapelointi h lytyskytkimen kaapelointi gsm modeemin kytkeminen SYOTTOKAAPELIN KYTKENT S hk turvallisuus 230 V AC 3 EH 203 s t laitteen k ytt notto relel hd n digitaalitulon ja tekstiviestiasetusten konfigurointi h lytyksen kuittaus ja releen ohjaus gsm puhelimella 4 EH 203 s t laitteen k ytt notto FH netpalvelimen avulla Web palvelin on valmiiksi konfiguroitu Ohjeita Kilpailijalla pit olla GSM puhelin Kilpailija voi tutustua EH 203 l mm ns timen k sikirjaan www ouman fi sivuilta Erityisesti yleiskytkent kaavioon Tutustu my s rele h lytys gsm ja web ohjeisiin Laitteen voi halutessaan hankkia OUMAN lta MNJ EH 203 Heating regulator OUMAN EH 203 is a new generation heating regulator Its versatility intelligence and clarity have made it an ideal heating regulator for all kinds of water circulation heating systems In addition to heating regulat
29. _o _ TA speed OFF mode 230V actuator When you have reserved relay 1 for 230V actuator control the regulator automatically also reserves relay 2 for 230V actuator control if relay 2 is free If relay 2 is not free the regulator first requests to free relay 2 for 230V actuator control After this you can begin using 230VAC 3 point control in the actuator selection mode see page 25 Temp operated The regulator controls relay 1 according to meas 11 The relay is active when the temperat rises to the setting 73 35 closed and released 73 74 closed at the end of the set hysteresis setting hysteresis E g a cooler s compressor or a fan can be controlled with a temperature controlled relay The function can be selected when measurement 11 is connected Burner control The regulator controls the relay according to the boiler water temperature meas 10 The relay is activated at the setting 73 75 closed and the burner starts up The relay is released 73 74 closed and the burner shuts off when the boiler water temperature reaches the setting hysteresis temperature The function can be selected when measurement 10 is connected Connection i gt When the relay is inactive timing program OFF mode or no electricity information p to actuator the space between contacts 73 74 is closed in the relay JA as 2 When the relay is active timing program ON mode Re the space between contacts 73 75 is closed in th
30. age sent by the pressure transmitter 1 2 3 4 5 V measurement message received by the controller C C 0 10V 24VAC 2 10V Wind or pessure meas transmitter Connection 2 Connect the pressure sensor without resistor If the pressure in the network never exceeds 50 of the emitter s measurement area the emitter can be connected directly to the controller i without voltage divider resistors Set the measurement area at one half of the emitters actual measurement area e g 8 0 bar for a 0 16 bar emitter Without voltage divider resistors the controller only recognizes one half 0 5V of the emitter s measurement message 0 10V Ouman EH 203 Measurement 8 9 10V measurement message sent by the pressure transmitter easurement message received by the controller D D 0 10V L 24VAC Pressure meas transmitter For example VPL10 O O DNA N N w WH IN OF lt gt 3 N Set alarm limits for overpressure fill and lower limit alarms Overpressure alarms The controller gives an alarm when the pressure in the network exceeds the Upper Limit Alarm setting The factory setting is 2 2 bar Typical reasons for upper limit alarms include excessive filling of the network warning valve dysfunction or expansion tank breakage Drain excessive water from the network Inspect the condition of the warning valve and expansion tank if the alarm was not caused by overfilling Fill alarm The controll
31. al equipment OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press OK Press the 8 button to move cursor to Clock functions Press OK Press the lt button to move cursor to indicate the relay control R1 or R2 whose controls you want to access Press OK If the relay reserved for time control has been labeled R1 R2 it will indicate what the relay is reserved for e g sauna outside doors Set the time for the relay to be activated and the days of the week for the relay to be activated In addition set the time for the relay to be inactivated and the days of the week for the relay to be inactivated Press the or button and confirm the time on the timer by pressing OK The relay can be used to switch an electric apparatus on and off at desired times When the time program is in the ON mode the relay is activated In this mode the time time and weekday is set for the relay to be activated and the time time and weekday is set for the relay to be inactivated Time programming is done in the same way as L 1 drop program time programming see prev p The regulator can be programmed for a maximum of 7 program series on off series per relay The relay s time program is not in use The relay is in a forced ON mode relay is activated The relay is in a forced Off mode relay is inactivated The relay s t
32. alarm may stop sounding after a power failure Contact information for constant speed pumps is taken from the pump s temperature relay When the contact is closed the pump does not run The controller then gives an alarm and starts up the other pump if the alternate pump is in use Running mode Pump running mode information is taken from a separate potential free closing contact in the input current circuit The pump runs when the contact is closed Speed controlled pumps usually do not have their own running information contact If a speed controlled pump is controlled by cutting the supply voltage not recommended the pump s own alarm contact can be connected as an opening contact to the input current circuit as a series with the Closing running potential free contact see diagram to the right Compare the running Dig1 information information and control If control and running information are not in FYT Speed controlled the same mode the controller gives a contradiction alarm if the L i pump s own contradicting situation has lasted for 10s In a contradicting situation i alarm contact the controller keeps controlling the pump When the contradiction ends the alarm is turned off If in a 24 hour period there is no pulseless time period of the length of the control period the controller gives a leakage alarm The alarm is acknowledged locally from the controller The alarm can also be automatically acknowledged if there is a pulseles
33. an inspect other regulating circuit s supply water temperature as a trend display Exit with ESC If you want to change the sampling interval press the 8 button to move the cursor to Sampl intvl Press OK The time blinks Press the or button to set the time Press OK Directions for entering the maintenance mode are on page 21 VALVE ACTUATOR CONNECTION uator 3 point controlled actuator 24VAC SL ae 52 54 Open Closed 3 point 24 VAC H1 actuator control output M1 control output M2 control output M3 H2 actuator Ouman M31C150 58 Relayl control 391 MON 60 62 Open Closed 3 point 24 VAC HW actuator OUMAN The control mode for each 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 utilized to implement one 230 VAC 3 point control first choose 230V Actuator for the relay control mode See pages 26 and 27 Regulating circuit H1 actuator s control output is M1 Regulating circuit H2 actuator s control output is M2 Regulating circuit HW actuator s control output is M3 Press the 8 button to move the cursor to Actuator select Press OK Press the 5 button to move the cursor to the actuator control mode that you want to use Press OK 3 point control with a driving time of 150 s
34. ard connector 81 of the controller Directions for entering the maintenance mode are on page 21 Dig2 selection Dig3 selection Curve type Regul Circ Name Enrgy meter P LON initaliz gt Net measurement OUMAN 2 Eg LONAK 2x1 3 mm 0c H3 2 1 x0 24 0 c HA LON initialization Press the 8 button to move the cursor to LON initializ Press OK In this special maintenance mode you can control the Neuron processor s service pin which is on the LON 200 card so that the Neuron sends the bus its own identification 48 bit Neuron ID This procedure is necessary when initializing EH 203 LON 200 into the facility s LON net 35 Ouman EH 203 has an LON 200 RS 485 and MODBUS 200 bus adapter cards as an optional equipment In this special maintenance mode you can select which measurement informati is to be read from the net If you selected to read wind or sun measurements from the net you must set the compensation area in this mode Directions for entering the maintenance mode are on page 21 Digl selection Press the 8 button to move the cursor to Net measurement Dig2 selection Dig3 selection Press OK Curve type Regul Circ Name Enrgy meter LON initaliz b Net measurement ne Browsing the net measurements By using the 5 button to browse you can see which measurements can be read from the net e Wind measure e Sun me
35. asure E DH Energy MWh Setting net measurements Watr consm m3 Move the cursor to the measurement you want and press OK If you want to select an serial interface for the measurement in guestion move the cursor to Yes net and press OK The character indicates that the measurement information is read from the net Setting wind or sun measurements net You must set the compensation limits for wind and sun measurements The minimum indicates when compensation begins and the maximum indicates when compensation is at a maximum value Set the limits for wind measurement as wind speed m s and for sun measurement as amount of light Ix Setting limits Press OK Press the or button to set the limit and confirm by pressing OK Attention Set wind and sun compensation in Settings see page 6 7 OUMAN 36 MODEM SETTING text MESSAGE CONNECTION JM W Directions for entering the maintenance mode are on page 21 In order to communicate via text messages the controller must be connected to a GSM modem optional eguipment The modem comes with an adapter cable eguipped with D connector that is used to connect the Modem to the controller The controller s strip connector B D space is connected with a jumper wire Dig2 selection a GSM modem connection is done in start functions The controller urve type oe i Regui cireName automatically initializes the GSM modem in two hour inter
36. ator in each regulating circuit It is possible to change the heating regulating circuit H1 and H2 to a self learning regulator The start function also activates the sensor s fault alarms The basic regulator controls the supply water temperature according to the set heating curve The self learning regulator automatically changes the characteristic heating curve according to the feedback from the room sensor The self learning maximum adjustment is 10 The letter i on the heating curve display indicates that self learning is in use OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Taking sensors into use and deleting sensors lf you connect a sensor to the controller or disconnect a sensor from the controller you must go to start function and then the controller will take sensors into use or delete them Press the button to move the cursor to Start Function Press OK The controller identifies sensors that have been connected and disconnected and displays control modes that can be selected If you do not want to adjust the control mode you can press ESC to exit from the control mode display without making changes The regulator s factory setting is a basic regulator Browsing Press the S button to browse the possible regulator types in each regulating circuit Exit with ESC The O character indicates which regulator types have
37. automatically switches on the backup pump pump 2 and gives an alarm from pump 1 Pump 2 control occurs via connectors 71 and 72 Backup pump interval use The controller switches on the backup pump once a week for a few minutes Mondays at 9 00 9 05 AM HW pump Auto The HW overheating alarm stops the pump Alternate pump Auto Pumps 1 and 2 are controlled by the controller to function on alternate weeks as the main pump The other pump then functions as the backup pump The pumps are used alternatively so they both get the same amount of wear and thus have a longer lifespan When one pump is in use the other functions as a backup pump The changeover is on Mondays at 9 00 AM Time program The regulator time controls any electric apparatus using the relay ex a sauna stove door locks You can label the relay according to its use see p 8 Timing programming is done in clock functions p 15 In the timing program s ON mode the relay is activated The control mode can also be changed using a GSM telephone p 19 230V actuator When you have reserved relay 1 for 230V actuator control the regulator automatically also reserves relay 2 for 230V actuator control if relay 2 is free If relay 2 is not free the regulator first reguests to free relay 2 for 230V actuator control After this you can begin using 230VAC 3 point control in the actuator selection mode see page 23 Switching the heating resistor on and off Relay 2 sw
38. aximum limit between 35 40 C and the minimum limit between 20 25 C Model Setpoint Differential Temp of range C range C cover C Pump Pump CO1A 20 90 7 35 120 control control a 230 VAC GSM modem A GSM modem makes if possible to communicate with EH 203 via text messages With browser based remote use the alarms can be transmitted as text messages to the GSM phone EMR 200 EH 203 has a plug connection for the energy meter read head When a district heating energy meter is connected to the EH 203 controller using an EMR 200 energy meter read head the district heating meter measurement information can be read from the EH 203 controller If the controller has a GSM connection the measurement information can be received as a text message upon request and once a month automatically to two selected GSM numbers EH 686 An input output unit which contains relays analog and digital inputs as well as analog outputs The unit makes it possible to carry out time controlled relay functions transfer alarms using digital inputs and make an individual regulating circuit EH 686 can also function as a master in the OumanRS 485 bus by directing traffic in the net EH net EH 203 can be remotely used browser based in the Ethernet network using an EH net server The EH 203 controller must have a modbus 200 adapter card to enable an EH net connection PAN 200 The panel installation kit can be used to install the EH
39. control period during the next 24 hour period This function can be used to discern moderate sized leaks e g a leaking toilet OUMAN OUMAN EH 203 cHaracteRistic HEATING CURVE TYPE SELECTION Supply water Supply water 20 20 C Outdoor temperature Directions for entering the maintenance mode are on page 21 Digl selection Dig2 selection Dig3 selection gt Curve type Regul Circ Name LON initializ Selection of a three point or five point heating curve A 3 point curve is a factory setting 3 point curve You can adjust the heating curve with outdoor temperature values 20 C 0 C and 20 C EH 203 prevents you from making a heating curve of the wrong shape It automatically proposes a correction If a 3 point curve has been selected it is possible to take self learning into use see p 17 and the controller will automatically adjust the heating curve according to feedback from the room sensor 5 point curve You can adjust the heating curve with outdoor temperature values 20 C and 20 C and with three additional outdoor temperatures between 20 C 20 C Note The automatic proposed correction and self learning are not in use Press the 8 button to move the cursor to Curve type Press OK Select a 3 point curve or 5 point curve and press OK The O character indicates the selection made Set heating curves are displayed and can be adjusted in Heating curve see p 4 ETNISEEN Lnc
40. control use it can be labeled according to its use using the text editor e g sauna out side door etc Relays are time controlled in the regulator s clock functions p 15 The time program can be bypassed with a GSM text message and the relay can be timer controlled or set in a continuous ON or OFF mode L W 606 060 Time Outd temp 230V actuator Temp operated Burner control O Press the e button to move the cursor to the control mode you want to use Press OK The O character indicates which control mode is being used Pump summer stop For each individual regul circuit select whether the valve will continue regulat or whether the valve will close when the pump stops When you exit from this mode the regul asks for the outdoor temp at SE which the regulator stops the pump The outdoor temp limit can also be adjusted in settings p 7 pump stop Time controlled relay You can label the relay according to its use Move the cursor to Give new label and press OK Use of the text editor is presented on page 8 Time and temperature controlled relay Set the outdoor temperature when the temp drops at which the clock is prevented from effecting relay 1 s function The outdoor temperature limit can also be set in special maintenance settings see p 29 Temperature controlled function The factory setting for measurement 11 in temp cont rolled functions is 55 C setting range O 100 C and the
41. ctuator Browse button moves the gt cursor up and down Height up the pillar shows the position of the voltage controlled actuator Group select button moves you from one regulating to the next The regulating circuits are H1 heating regulating circuit H2 heating regulating circuit and HW domestic hot water regulating circuit Valve is fully open 100 and the control voltage is 10 V E Valve is fully closed 0 and ai the control voltage is O V or 2 V 2 10 V actuator ESC press to return to the previous display Decrease button OK Increase button button INFO button gives operating instructions and HINT When you press button in adjoining basic display mode the additional information on regulator displays all the measure ment results in turn and then the display in different returns to the basic display mode situations Remote control options Web based user interface Ouman controllers can also be controlled and monitored Remote control via a GSM phone via an inexpensive web user interface A web scanner is Most of EH 203 s user level functions can also be easy to use and can illustrate remote control and carried out via GSM phone text messages monitoring of even large Ouman control systems regardless of the time and place Valve flushing Text message use is illustrated on page 20 User guide Settings for characteristic heating curve 4 Settings M Measureme
42. e relay 5 OUMAN actuator El Heater ctrl gt 3 En Pump alternation Back up pump use Contact information from Pump 1 driving oe 2x 0 8 N mode from overcurrent 7 N protection Contact information p 2x08 N from Pump 2 driving T mode from overcurrent 277 N protection Pump 2 control L 3x1 5 Pump 1 control Connection information OUMAN 12 71 OUMAN EH 203 RELAY 2 CONTROL SELECTION EH 203 has two 230VAC 6A relays for relay controls relay 1 is a brea before make contact relay and relay 2 is an on off relay The following functions can be implemented with relay 2 1 Parallel circulation pump control 2 Timing control that can be labeled GSM control compatibility 3 230VAC actuator 3 point control needs both relays 4 Heating resistor control according to the temperature of meas 10 Press the button to move the cursor to Relay 2 control Press OK Press the 8 button to move the cursor to the control mode that you want to use Press OK The O character indicates which control mode is being used Not in use Relay 2 is not being used Pump Select Auto normally for pump control Select ON and OFF for start up tests and during maintenance periods Select ON for the pump to run continuously Select OFF for the pump to stop Backup pump Auto If pump 1 stops over current protection is triggered see digital inputs p 32 the controller
43. ed will remain in effect When you are ready press OK for a while over 2 secretary Installation of EMR 200 Energy meter read head to the energy meter Attach the magnetic surface of the EMR 200 to the energy meter so that the connecting cord goes down The Kamstrup Multical energy meter has control knobs for positioning the EMR 200 Install the EMR 200 energy meter so that It touches the knobs on the bottom and side The EVL energy meters has a metal ring for attaching and positioning the EMR 200 The EMR 200 has a 10 m connection cord A 10 m extension cord CE EMR10 can be used if necessary The Ouman EH 203 controller can be connected to the MODBUS RS 485 or LON bus When the EH 203 controller is connected to the bus a Modbus 200 EH 485 or LON 200 card bus adapter card optional equipment is installed Detailed instructions for installing and initializing the bus adapter card are provided When connecting the controller to the LON field bus LON bus Initialization occurs in the controller s special maintenance mode Other buses do not have to be initialized from the controller Connect the EH 203 to a MODBUS field bus OU SNqpoy 2 Eg LONAK 2x1 3 mm EUCRA Connect the EH 203 to a RS 485 field bus 194 687 SU Connect the EH 203 to a LON field bus sdqygZ 8U NOT When using an LON bus connect the protective LON 200 ground of the 230VAC supply current to strip adapter c
44. enance mode p 23 In autumn the temperature of the supply water is automatically raised for 20 days through autumn drying Autumn drying is activated when the average temperature in a 24 hour period has continually been above 7 C foraperiod of at least 20 days and after this drops below 7 C Autumn drying is activated during the next 20 days whenever the average temperature in a 24 hour period is under 7 C The autumn drying setting indicates how much autumn drying raises the supply water temperature The original factory setting is2 C When the temperature of measurement 10 drops to the set limit the regulator causes relay 1 to turn the burner on see p 26 When the temperature of measurement 10 drops to the set limit the regulator causes relay 2 to switch on the heating resistor see p 27 Valve closed during the summer The outdoor temperature limit at which the regulator closes the valve valves A factory setting is that only the valve in the H1 circuit closes If the maintenance person has selected H1 Valve regul or H2 Valve regul under pump summer stop the function is not on in that particular circuit Select H1 H2 Valve close in pump summer stop for that function to be on see p 25 Pump summer stop Outdoor temperature at which the regulator stops the pump During connection and installation the maintenance person decides whether to stop both the H1 and H2 circuit pumps and whether the valves will conti
45. er gives an alarm when the pressure in the network drops below the FillAlarm setting The factory setting is 0 7 bar The fill alarm warns of underpressure in the network In the event of an alarm check if any leaks can be seen Fill the system to its normal pressure Check out the situation If the fill alarm goes off frequently check the condition of the expansion tank and inspect it for possible leaks Produal VPL10 ressure transmitter LL l l P Lower limit alarm The controller gives an alarm when the pressure in the network drops below the Lower limit alarm setting The factory setting is 0 5 bar The lower limit alarm is a critical warning of a too low pressure in the network Look for possible leaks Inspect the condition of the expansion tank If the fill alarm and lower limit alarm occur in succession within a short time period it is usually an indication of a leak in the network OUMAN 31 Directions for entering DIGITAL INPUTS 1 2 3 EH 203 has three digital inputs A digital input can be connected to contact information or pulse information Contact information can be used to receive an alarm e g blower overcurrent protection alarm Alarms can be labelled the using the text editor according to their cause Alarms can be transferred to e g A maintenance mode are on page 21 GSM phone as text messages Pulse information can be read e g from a district gt Digl selection Dig2 selectio
46. g regulating circuits 33 Language change 16 Leakage alarm 31 32 LON bus adapter card 33 42 LON initialization 33 35 LON measurements 36 Manual operation 12 Maximum limit Supply water 6 Measurements 8 9 11 30 31 35 Measurements labeling 8 Minimum limit supply water 6 Modem connection 36 37 MODBUS 200 35 42 Moisture risk 18 Name change 8 32 Net measurements 34 Night drop 6 10 32 Nominal temperature 12 Oil burner control 7 26 Outdoor temperature 9 35 Outdoor temperature delay 23 Overcurrent protection 32 Panel installation kit42 Parallel pump 27 32 Parallel shift 5 6 PID regulation 22 Preheating for air conditioning 5 Pre increase 7 Pre increase time 23 Pressure alarm 18 30 Protection class 44 Pulse information 32 Pump s thermal relay 27 32 Pump summer stop 7 26 Relay controls 14 15 27 Relay controls labeling 25 26 Restoring settings 28 Return water maximum 29 Return water minimum 29 Room compensation 6 30 Room temperature delay 29 RS 485 bus 37 41 Sauna stove 15 27 Self learning 17 Sensor fault alarm 18 Stand by function 12 10 29 Start function 17 Sun compensation LON 7 35 Supply water temperature info 10 Surface mounted thermostat 5 Temperature drop 12 14 Temperature operated relay 26 Time controls 14 15 Timer functions 15 Text editor 8 Text message settings 36 37 Trend display 24 Tuning 22 Type information 17 Valve flush function 20 Valve summer stop
47. he basic regulator for the regulator type Identifies the connected sensors and assumes which regulating circuits are in use Restores factory settings to the tuning values and trend sampling intervals Selects 0 10V for actuator control with a running time of 150 s in H1 and H2 and the 3 point control for actuator control with a running time of 15 s in the hot water circuit 9 Relay controls are not in use 10 Sets alarm Dig 1 Dig 2 Dig 3 as an assumption into digital inputs 11 Measurements are not read from the energy meter or bus 12 Erases the telephone number and restores the factory settings to the modem settings Original factory settings can be restored with the regulator in the following manner AARWN N Directions for entering the maintenance mode are on page 21 Press the 8 button to move the cursor to Special mainten Press OK The cursor is at Rstore settings Press OK Dig2 selection Dig3 selection N E Curve type Restore original factory settings Regul Circ Name Enrgy meter Press the 8 button to move the cursor to Yes LON initaliz i Press OK Net measurement TextMessageSett ORIGINAL FACTORY SETTINGS User level settings ina Start function Characteristic heating curve von hu Factory und Temperature drop supply water 0 C Min allowed supply water 15 C Max allowed supply water 70 C Parallel shift 0 C ee au Room compensation rati
48. hich can be labelled the factory setting is H2 return water Meas 10 A free information type temperature measurement which can be labelled the factory setting is DH Return HE3 If relay 1 is reserved for burner control and or relay 2 is reserved for heating resistor control the controller uses meas 10 as a temp control measurement Meas 11 A free information type temperature measurement which can be labelled the factory setting is DH Return HE2 If relay 1 is controlled by a temperature controlled relay see p 26 the controller automatically reserves measurement 11 for relay 1 temperature measurement Relabeling measurements 6 9 10 and 11 Move the cursor to the measurement 6 9 10 or 11 that has to be relabeled Press OK Move the cursor to Give new label Press OK Me A letter a appears on the display You can move forward or backward in or the character row by pressing the or button Confirm the letter character ii by pressing OK then the same letter character that you selected will blink in oo XC the next space The character that has been fed last can be deleted by Ca 0 pressing ESC If you press the ESC button for a while you can delete the pe new name and the previous name remains in effect When you have written the name press OK for a while over 2 sec to exit from the data entry mode and the name that has been written will come into effect KEYWORD Measurements s OUMAN 6 6 6 6
49. hift indicates the amount the characteristic heating curve is moved on the supply water temperature scale Note Wait for a sufficient length of time after the settings have been adjusted so the adjustment has time to effect the room temperature The 5 point characteristic heating curve bisects 5 adjustment points In addition the supply water temperature can be limited LR water C by setting minimum and maximum limits for the supply water 80 60 40 Maximum limit ximum limit nn a see p 6 Characteristic heating curve _ Parallel shift With a 5 point curve the supply water temperatures are set for outdoor temperatures 20 C and 20 C In addition three other outdoor temperatures can be set between 20 C and 20 C that are given supply water temperatures N The supply water temperature setting range is 5 C 120 C TIE ae for each adjustment point N KEYWORDS Heating curves H1 Heating curve H2 Heating curve Note The graphic user interface cannot display the 5 point curve OUMAN ENER SETTINGS Browsing n In Ouman EH 203 the regulator is controlled by many TE settings Settings are selected according to sensor connections and relay control modes e g is a relay controlling the oil burner or pump or is the relay temperature controlled see p 26 27 By browsing you can see which settings you have in use Browsing and setting changes occur in the following way
50. ice ID The device ID which is 4 characters long and can be freely labeled using the text editor functions as address information The device ID is given as follows Move the cursor to In use Press OK 0 blinks Write a device ID that has a max of 4 characters by pressing the or button Confirm the character by pressing OK Guide for Fargo Maestro20 and 100 Lite modem initialization LED indicator light Modem mode instructions LED is not on LED is on The modem is not on Connect the modem to the network device The power is on but the modem is not ready to use Inspect the following 1 EH 60 EH 686 has the same PIN code as the GSM modem s SIM card PIN code During initialization of the GSM modem the PIN code must be 0000 2 After the modem is connected turn the power off and then on The modem is ready to use The modem sends or receives messages If a message does not come from the controller controlling device check the text message you have sent to see that the device ID and keyword have been written correctly Also check that EH 60 EH 686 has the operator s message centre number of the GSM connection you have in use Saunalahti connection is a default You can find specific instructions for connecting the GSM modem to a master device from the EH 60 EH 686 user manual under GSM modenm initialization OUMAN LED blinks slowly LED blinks rapidly USING THE BROWSER If a MODBUS bus adapter card op
51. ime program is temporarily replaced by a timer The relay is in the ON mode activated for a set time range 0 999min after which the relay switches to a time programmed mode Press the or button to change the time on the timer The amount of time left on the timer appears on the display The relay s time program is temporarily replaced by a timer The relay is in the OFF mode is inactivated for a set time range 0 999min after which the relay switches to a time programmed mode Pressthe or button to change the time on the timer The amount of time left on the timer appears on the display KEYWORD Relays 15 16 The Ouman EH 203 regulator is in two languages The regulator has the most commonly used languages Finnish Swedish English Estonian English Russian and English Lett The language of the regulator can be changed in the following manner Automatic OPERATING INSTRUCTION Press ESC until the display no longer changes Automatic You are then in the Selection display shown in the adjoining picture 15 52 Press the 8 button to move cursor to Language Keel Press OK nfo water temp Operat modes Clock functions b Language Keel Type info Start function Mainten mode Press the button to move the cursor to the language you want to use Press OK OUMAN SETS TYPE INFORMATION Automatic Automatic 15 52 Info water temp DH Energy meas Operat
52. ion EH 203 has a number of other control and alarm functions of buildings technical systems Measurement information can be read settings and controls can be checked and adjusted and alarms can be received and acknowledged via a GSM telephone s text messages EH 203 gives its user instructions on a display Types of heating systems e Radiator heating e Floor heating e Air conditioning preregulation e Hot water regulation MODBUS Types of heating production e District heating exchangers e Boiler plants e Accumulators e District heating substations Locations e Apartment buildings and row houses e Business premises and office buildings e Private homes and summer cabins Ouman EH 203 is a multifunctional heating controller which is adaptable to many different types of heating systems Ouman EH 203 has the ability to control two heating circuits and one hot water control circuit simultaneously Your controller s display changes depending on the connections and selected functions that are in use All the different functions are presented in this user manual In the beginning we present the basic principles for using the controller User panel Symbols which indicate actuator control mode Regulating circuit code indicates the regulating circuit in question heating circuit H1 shown here A Regulator opens the 3 point controlled actuator Vv Regulator closes the 3 point controlled a
53. itches the heating resistor on and off according to the temperat of measurement 10 The factory setting at which the heating resistor switches on is 50 C setting range 5 95 C and the hysteresis is 5 C setting range 1 10 C The regulator uses relay 2 to control the heating resistor according to the temperature of measurement 10 The relay is activated 71 72 closed and the heating resistor switches on when the temperature drops to the set level The relay is released 71 72 open and the heating resistor switches off at the end of the set hysteresis setting hysteresis If EH 203 is used for burner control see p 26 the regulator can also control the heating resistor according to the same measurement data meas 10 Thereisa separate setting for switching on the heating resistor The heating resistor can be used as an extra source of heat or the main source of heat depending on whether the setting is higher or lower than the point at which the burner starts up Press the or button and press OK 4 lt When the relay is inactive timing program OFF mode or no electricity to actuator the space between contacts 71 72 is open in the relay 21 RESTORING SETTING Restoring settings 1 The regulator restores factory settings to the charasteristic heating curve settings Eliminates clock functions Restores user and maintenance level settings Selects automatic control for the operating mode Selects t
54. ivalent to one pulse and press OK District heating water consumption DH m3 and the momentary district heating water consumption Inst l s can be seen on the regulator s measurements display Pulse information from the facility s water meter Press OK Setthe number of liters eguivalent to one pulse and press OK The facility s water consumption Water m3 can be seen on the regulator s measurements display Inspection of hot water network for leaks Press OK Set the length of the control period Press OK If in a 24 hour period there is no time period with no consumption for the length of the control period the controller gives a consumption alarm indicating continuous hot water consumption With the setting at O factory setting the function is not in use The setting range is 0 99 minutes Exhaust fan 7 speed information When the switch is closed the exhaust fan is at speed The information is used to lower the heat when the exhaust fan is at speed The amount of the drop is given in special maintenance settings see p 27 2 exhst Away switch information switch closed H1 H2 reduced temperature mode is on Overcurrent protection In speed controlled pumps pump indication is taken from alarm contacts or from a separate overcurrent protection in the input current circuit In the event of an alarm the contact closes If the alarm is given when the alarm contact closes the alarm is acknowledged from a separate switch The
55. l 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 HW OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press OK Press the a button to move from one regulating circuit to the next H1 H2 HW Press the g button to move cursor to Operat modes Press OK J et DH Energy meas gt Operat modes Clock functions 4 Press the 8 button to browse operating modes The O character indicates which operating mode has been selected Stand bs Changing operating mode Manual mech Move the cursor to the operating mode that you want Press OK Manual electr Exit with ESC Manual operation of actuator mechanically No electricity to actuator Only mechanical manual operation of actuator is possible Manual operation of actuator electrically Press OK ooe Press the or button to change the position of the actuator The direction the actuator is being run can be seen from the display The position s reading indicates the actuator s position if a voltage controlled 0 10V or 2 10V actuator 0 closed 100 open is being used Confirm the actuator position by pressing OK The valve can also be connected so that 100 is closed Operating modes in domestic hot water regulating
56. n Dig3 selection LON initializ ump running DH Energy MWh DH Water m3 Watr consmp m3 Exhaust 2pwr Home away Pump 1 2 running ConsumptAlarm heating energy meter or water meter Press the button to move the cursor to Dig 1 Dig 2 or Dig 3 selection Press OK Press the button to move the cursor to indicate which information has been connected to the Dig channel in guestion Press OK The O character indicates the selection made Alarm use Alarm switch information When the switch is closed an alarm goes off You can use the text editor to label i aes the alarm e g Order oil see p 8 In the event of an alarm the regulator sounds the alarm and indicates on the display from which digital input the alarm came from Transferring the alarm to a GSM phone see p 36 37 Pump1 2 running indication The purpose of this function is check that the pump is in operating condition Select whether to inspect pump running from running mode information or from information received from overflow protection Pulse information from the district heating energy meter Press OK Set the number of kWh equivalent to one pulse and press OK District heating energy consumption MWh and the momentary 5 min follow up period district heating power consumption kW can be seen on the regulator s measurements display Pulse information from the district heating water meter Press OK Setthe number of liters egu
57. nd 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 If a GSM modem has been connected to the regulator the alarm will appear in the desired GSM phone as a text message Sensor fault alarms Deviation alarm HW overheating alarm Network pressure alarm Consumption alarm Risk of freezing alarm EXTERNAL ALARMS Measurements 6 9 10 and 11 as alarms Digital inputs as alarms oe 5 RG N K ex N W VA CONNECTING THE ALARM RELAY ALARM ACKNOWLEDGEMENT PATENTEN OUMAN In case of sensor fault the regulator gives an alarm and a message appears on the display Alarm Measurement number and name and err The alarm relay contact closes strip connectors 31 and 32 The regulator gives a deviation alarm if the supply water temp permanently deviates factory setting 60 min from the temp set for it by the regulator The maximum allowed deviation is listed in special maintenance under H1 Dev alarm settings and the duration of the deviation that causes the alarm to go off is under settings DevAlaDela page 29 Note H1 H2 deviation alarms do not go off when the pump is on summer stop the valve is shut for the summer the controller is in a stand by state or the supply water temperature is just slightly max 10 C above the outdoor temperat
58. nd turn the fuse socket clockwise into place Changing the battery EH 203 has a backup that saves the time and time program in case of a short power failure If the time is not correct after the power failure the battery must be changed Battery type Lithium button battery CR 1220 3V Unfasten the regulator s fuse see the topmost picture Carefully pry the old battery from its holder for eg with a thin screw driver Push the new battery into the holder with the end up The old battery can be putinto the garbage Spacers The cables can be routed between the regulator and installation base when spacers are used to mount the regulator Plugs Complete installation by pressing the plastic plugs into the screw holes INSTALLATION AND MAINTENAN EH 203 is fastened to its mounting base with three 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 In addition there are 6 cable through holes in the bottom of the regulator case which can be opened e g with a screw driver Then the cables can be brought into the connection space through the bottom Cabling from above standard factory delivery Cabling from below turn the keyboard display unit Installation bracket Mounting guide Screw the regulator to the wall using the installation
59. ntroller measurement E DOA information from the energy Pa ozo s G N f N meter can be obtained by wo 4 s0 v Note The key word DH Energy does not appear when using the key word inguiry using the key word Gy 4 DH Energy gb Receiving information from the regulator Send a text message to the regulator using key words that it provides you The regulator recognizes only one request at a time so write only one key word message You can write the key word using capitals or small letters If the regulator has a device ID see p 35 36 write the device ID in front of the key word The regulator answers your request by sending the desired information Operating the regulator using a GSM With the GSM phone you can adjust heating curve settings user level settings the regulator s operating mode or time controlled relay operation Send the regulator a text message Using key words request information about the function whose settings you want to adjust or obtain the information from your telephone s memory Adjust the settings in the text message that the regulator sent Send a text message with the new settings to the regulator The regulator will make the requested adjustments and acknowledge them by sending back a text message with the new settings Keywords Instruction for adjusting settings Heating curves Write the desired supply water temperature in place of the previous setting in the text message adjust mode H1 Set
60. nts O Measurements and sensor connection information o 7 Supply water temperature information iit District heating energy measurement o A Operating modes O 72a Clock functions Language selection 16 Type information 17 Start function 18 Alarms GSM functions 20m Service Maintenance guide Entering the maintenance mode These pages contain Tuning values directions for maintenance Settings persons authorized by Trends IIN Actuator selection regulator s maintenance l mode is prevented by a Relay 1 control selection maintenance mode Relay 2 control selection Special maintenance Restore factory settings Settings Measurement 6 setting Pressure measurement Digital inputs 1 2 and 3 Characteristic heating curve type selection 3 point 5 point Labelling control circuits Energy meter LON initialization Net measurements Text message connection via the modem Text message connection via buss Using the browser Installation and maintenance guide 40 Connection guide 41 Optional equipment 42 Index 43 Technical information 44 OUMAN FINLAND OY Espoo sales office www ouman fi Voimatie 6 90440 Kempele Upseerinkatu 1 02600 Espoo O U MAN FINLAND Tel 358 424 840 202 Tel 358 424 8401 Fax 358 9 4780 1030 Fax 358 8 815 5060 OUMAN EH 203 SETTINGS FOR HEATING CURVE Automatic 15 52 DH Energy meas The correct shape for the characteristic heating curve depends on many factors the insulati
61. nue regulating or whether they will close each of the valve s functions is determined separately see maintenance mode page 26 The temp of measurement 11 where relay 1 is active Domestic hot water temperature setting Because of danger of bacteria it is recommended that the domestic hot water temperature is notsetbelow 55 C The sun measurement can only be read from the net Sun compensation is the same for control circuits H1 and H2 Select relay 1 for burner control Select relay 2 for heating resistor control If heating pump control has been selected for relay 1 s control function this setting becomes the pump s summer stop limit Pump stop appears in place of the valve summer close setting if heating pump control has been selected in the relay 1 control mode p 25 Can be set when relay is selected to temp operated function p 26 The regulator can be connected to 14 different measurement data at the same time 11 NTC measurements 3 digital inputs Measurement data can also be read through the bus Also the position of the voltage controlled 0 10V or 2 10V actuator can be seen Measurements 6 9 10 and 11 can be used to indicate external alarms additional information on alarms page 18 ATTENTION Only the measurements connected to the regulator appear on the display OPERATING INSTRUCTION SN Press ESC until the display no longer changes a You are then in the Selection dis
62. o 4 0 C H2 Self learn Wind compensation ratio 0 C H2 Not in use Sun compensation ratio 0 C yi ansi Pre increase 0 C Autumn drying 20 Tuning values Burner ON 70 H1 H2 El Heater ON 50 Valve close 19 C Relay 1 temperature limit 55 C Operating mode Domestic hot water 55 0 G Maintenance level settings HW Outdoor temp delay H1 H2 2W O h Pre increase H1 H2 Oh 0 h Domestic hot water alarm 70 C Manual mech Domestic hot water increase 0 C aaoi ee Manual electr v pate 13U Special maintenance settings Quick run 603 Room temperature delay 0 5h Relays Return water maximum H1 70 C Return water min at 0 C oC ie eens Return water min at 20 C 15 C Manual electr H1 Supply water min at 0 C 10 C H2 Supply water min at 0 C 10 C H1 Supply water min at 20 C 30 C Time Outdr tmp Actuator selection H2 Supply water min at 20 C 30 C 230V actuator The amount of deviation from the 15 C Temp operated setting which causes the alarm Burner control H1 H2 HW R1 The duration of the deviation that 60min 28 min oe OUMAN Output limit 999kW Water flow limiting function 99 91 s Y2 exhaust 6 C 230V actuator Domestic hot water alarm delay 120s El Heater ctrl Relay 1 outdoor temperature limit 15 C Directions for entering the maintenance mode are on page 21 r H1SuppMin 0 H1SupMin 20 H2SupMin 0 H2SupMin 20 Hl Dev alarm H2 Dev alarm HW Dev alarm R1 DevAlaM11 DevAlaDela min Outpu
63. ode Domestic hot water alarm limit Domestic hot water increase anti bacteria function The alarm limit automatically rises during an increase in HW HW increase time is set in clock functions see p 14 23 Directions for entering the maintenance mode are on page 21 uato selec OUMAN 24 It is possible to follow supply water temperature changes on the trend display with the graphic depictor You can decide yourself how often the temperature is measured The factory set sampling interval is 1 second Press the 8 button to move the cursor to Trends Press OK If you want to see the supply water temperature depictor press OK You can read supply water temperature changes graphically A supply water temperature scale is printed on the right edge of the display The exact temperature of the supply water also appears as a numerical value 80 5 v If a 3 point actuator is being used the a3 E direction the actuator is being run can be 50 gt seen on the display The character 35 22 indicates that the actuator is being run 205 2 into an open position The character indicates that the actuator is being run into a closed position 80 If a voltage controlled actuator 0 10V or 65 3 2 10V is being used the actuator s 50 gt position information can be seen on the 35 display 0 closed 100 open 205 By pressing the a group select button you c
64. ode 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 An ordinary district heating exchanger is tuned in this mode Settings that are not needed as often can be done in the special maintenance mode for ex restoring original factory settings special settings measurement 6 and 9 settings digital input settings LON and bus settings as well as modem settings and text message settings ENTERING THE MAINTENANCE MODE Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press the A button to move from one regulating circuit to the next H1 H2 HW Press the 8 button to move the cursor to Mainten mode Press OK Press OK Press the or button to set the correct maintenance code one number at a time and press OK after each number Press the 8 button to choose what you want to access from the adjoining menu Each item is presented individually on a separate page Actuator select Relayl control Relay2 control Special mainten Meas 9 setting Digl selection Dig2 selection Dig3 selection LON initializ Net measurements Text message 21 EH 203 has three PID regulators The tuning values may have to be adjusted for example when the district heating exchanger is installed if the setting wavers with the original facto
65. on Alarm information is directed to the desired GSM numbers 1 and 2 See p 37 38 In the event of an alarm the regulator first sends a text to GSM1 that indicates the cause of the alarm The alarm is acknowledged when the same message is sent back to the regulator via the GSM If the GSM1 does not acknowledge the alarm in 5 minutes the regulator will send the text message again to both GSM numbers 19 When a GSM modem is connected to EH 203 a GSM telephone can be used to communicate with the regulator via text messages installation p 35 Almost all of the user level functions that are mentioned in this manual can be carried out using a GSM phone These include measurements settings heating curve settings supply water information and the regulator s operating mode Clock programs can be bypassed permanently or for certain periods of time Alarms are also directed to a GSM phone They can be acknowledged by sending the alarm message back to the regulator COMMUNICATING WITH THE REGULATOR USING A GSM Send the following text message to the regulator KEYWORDS If the regulator has a device ID p 35 36 always write the device ID before the D key word e g TC1 KEYWORDS The regulator will send a list of key words via PGP ap text message which will help you obtain information about how the regulator If a district heating energy S VT operates Each key word is separated by a character meter is connected to the co
66. on in a house type of heat distribution the dimensions of the piping etc A heating curve is typically set so that the supply water temperature rises when the outdoor temperature drops Ouman EH 203 s characteristic heating curve can be adjusted to exactly fit the needs of the facility from either three or five points A 3 point curve is a factory setting A 5 point curve can be taken into use in the special maintenance mode see p 33 OPERATING INSTRUCTION Press ESC until the display no longer changes pou are then in the Selection display shown in the adjoining picture ress Use the fay button to move from one regulating circuit to the next H1 H2 Press the button to move cursor to Heating curve Press OK Adjustable values are white in color 3 point curve factory setting You can adjust the characteristic heating curve using outdoor temperature settings 20 C 0 C and 20 C EH 203 prevents you from setting characteristic heating curves that are the wrong shape It automatically proposes a correction 80 Adjustment 9 point 1 a 20 A REEN 20 0 20 C Adjustment point 2 Adjustment point 3 Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Supply a Press the 8 button to move to the next A 4 adjustment point ai v Press OK Press the or button to set the supply water temperature at an outdoor temperature
67. outdoor temperature is 0 C stand by function 10 50 Lower limit of supply water during a free temperature 10 50 drop in the regulating circuits H1 H2 when the outdoor temperature is 20 C stand by function meee H1 H2 HW supply water temperature deviation from the to setting determined by the regulator which causes the Dd alarm alo Temp meas 11 deviation from the setting of R1 Temp operated which causes the alarm This setting appears if Temp operated has been selected in the relay control mode see page 26 DevAlaDela 60 min 0 90 The alarm goes off if the deviation has lasted for the set time Output lim 999 kW 0 999 Maximum district heating water flow at which output Only L1 limiting begins in regulating circuit H1 WaterLim 99 9 Is 0 1 99 9 Maximum district heating output at which output limiting Only L1 begins in regulating circuit H1 exhst 6 C 0 10 Drop in supply water temperature when the exhaust fan Only L1 is at 2 speed see page 32 HW alrm dela 30s 0 30 The length of time from which the regulator calculates the HW average temperature for the alarm R1 Outd 15 C 30 20 The outdoor temperature limit for relay 1 in use when OUMAN time outdoor temperature control has been selected for relay 1 s control mode 29 Directions for entering the maintenance mode are on page 21 30 Digl selection E un meas Not connected Network pressure OUM
68. ove forward or backward in the character row by pressing the or button Confirm the character by pressing OK Installing the number for the message center Give the operator specific message center number with or button Confirm by pressing OK Installing the modem s PIN for the regulator Give the SIM card s PIN code The regulator will not initialize the GSM modem before the PIN code is installed The SIM card has to be put in the GSM telephone to change the modem s PIN code When you have changed the PIN code install the SIM card back in the modem Selecting the modem type EH 203 is compatible with Falcom A2D Nokia 30 Siemens M20T and Fargo Maestro 20 and 100 Lite modems MessageCentreNr PIN code Modem type Fargo modem Guide for Fargo Maestro20 modem connection and initialization Network device to 5 z o LED indicator light Modem mode instructions E W LED is not on The modem is not on Connect the modem to the network device 8 LED is on The power is on but the modem is not ready to use Inspect the following 1 EH 203 has the same PIN code as the GSM modem s SIM card PIN code 2 Perform the start up function To start up move to Start function Press OK Exit with ESC without changing settings LED blinks slowly The modem is ready to use LED blinks rapidly The modem sends or receives messages If a message does not come from the controller check the tex
69. play shown in the adjoining picture When you press the button in the basic display mode the regulator displays all the measurement results in turn and then returns to the basic display mode You can also browse measurement data in the Measurements display Press OK Press the 8 button to move cursor to Measurements Press OK 52 Browsing through measurements TA Press the button to browse different measurements ESS H2 Supply 48 Press ESC to exit from the measurements display Meas 6 Cold water 5 HW Supply 55 HWcircul wat 47 Meas 9 H2 Return 103 Every sensor has it s own typical range Eg outdoor sensor 50 50 C Meas 10 OH Rerum 30 Ifthe sensor s measured value is outside of this range a or character will HERE TI ___ DH m3 2001584 6 appear on the measurements display in place of the sensor s measured Inst 1 s 66 value to indicate whether the value is above or below the range DH MWh 10035 2 Inst kW 145 3 E Wat m3 111235 If there is a sensor defect the regulator gives an alarm see p 18 and err ActuatorH1 45 will appear in place of the measured value ActuatorH2 45 ActuatorHW 45 Meas 6 A free information type temperature measurement which can be labelled the factory setting is cold water or used as a measurement effecting control H2 room or wind compensation see special maintenance p 30 Meas 9 A free information type temp measurement w
70. ry setting Anticipate and quick run can be set in the HW regulating circuit in addition to PID Directions for entering the maintenance mode are on page 21 Quick run Tuning takes place in the following manner The cursor is at Tuning values Press OK INFORMATION ABOUT TUNING VALUES P area H1 H2 140 C P area HW 70 C l time H1 H2 50s l time HW 18s D time H1 H2 0 0s D time HW 0 0s Anticipate HW 140 C Quick run HW 60 10 300 C 10 300 C 5 300 s 5 300 s 0 0 10 0 s 0 0 10 0 s 50 250 C 0 100 Supply water temperature change at which the actuator runs the valve at 100 The deviation in the supply water temperature from the set value is corrected by P amount in time Regulation reaction speed up in the event of a temperature change Uses anticipate sensor measurement information to speed up regulation when HW consumption changes Functions during consumption changes Press the button to move the cursor Press OK Press the or button to make changes Press OK to confirm Press the ia button to move from one regulating circuit to the next Eg If the supply water temperature changes 10 C and the P area is 100 C the position of the actuator changes 10 Beware of constant waver Increase the anticipate value to decrease reaction to changes in consumption Decrease this value to decrease reaction to quick temperat
71. s Press OK The cursor is at Time Date Press OK Set the time The cursor is at time Press OK The hours blink Press the or button to set the hours Press OK The minutes blink Press the or button to set the minutes Press OK Set the date Press OK The day blinks Press the or button to set the day Press OK The month blinks Press the or button to set the month Press OK Set the year and weekday Press OK The year blinks Press the or button to set the year Press OK The weekday blinks Use the or button to set the weekday Press OK Exit with ESC Attention The Ouman EH 203 regulator s clock registers summer time and standard time changes and leap years The battery lasts approx 10 years 13 OUMAN EH 203 Clock programs browsing adding deleting With the freely programmable 24 hour 7 day clock you can 1 Drop the temp for certain lengths of time heat circuits H1 and H2 2 Increase the domestic hot water temp anti bacteria function 3 Time control the desired on off connections with two relays eg ventilator outdoor lights sauna stove outside doors see p 15 T OPERATING INSTRUCTION Press ESC until the display no longer changes d aaa You are then in the Selection display shown in the adjoining picture Press OK Ee Press the 8 button to move cursor to Clock functions Press OK Info water temp DH Energy meas Control modes
72. ss the or button to set a limit and press OK to confirm E g the effect of wind compensation on supply water A wind sensor is in use which has a measurement area of 0 20m s You want wind compensation to begin when the wind velocity is 6 m s and compensation to be at maximum value when the wind velocity is 14 m s Wind compensation is set at 4 C setting range 7 7 C wind velocity 0 Min 30 Max 70 Measurement message 012345 6 7 8 9 10V measurement message sent by wind transmitter 0 30 70 100 percentage of transmitter s measurement area wind comp wind comp at begins a maximum level The wind transmitter is connected in the same way as the pressure transmitter using a voltage divider resistor see next page connection 1 See the next page for instructions on setting the measurement area for the network pressure and setting pressure alarms Measurement 6 Pressure m Network pressure Connection 1 Connect the pressure sensor using a resistor The controller s measurement channel 6 can have a 10V emitter voltage but can only measure 0 5V If you want to use the entire measurement area of a 0 10V emitter e g 0 16 bar make the connection using a voltage divider resistor The measurement area is then the emitter s measurement area e g 16 bar Ouman EH 203 bar Measurement ee o s 1 14 12 Add series 10 and 8 shunt 6 resistor 4 2 0 1 23456738 9 10 V measurement mess
73. t lim kW WaterLim 2 5 1 2exhst e HW alrm dela s R1 Outd we ta Settings Room delay RetWat max 70 C Ret min 0 C 5 C Ret min 20 C 15 C H1 SuppMin 0 C 10 C H2 SuppMin 0 C 10 C H1 SupMin 20 C 30 H2 SupMin 20 C 30 H1 Dev alarm 15 H2 Dev alarm 15 HW Dev alarm 15 R1 DevAlaM11 19 INFORMATION ABOUT SPECIAL MAINTENANCE SETTINGS In the Ouman EH 203 heating regulator the user can adjust most of the settings see settings p 6 7 Some of the settings that control the regulator s functions can be set in the maintenance mode see page 23 and some in special maintenance Seldom needed settings can be adjusted in special maintenance Press the 5 button to move the cursor to Settings Press OK Press the S button to move the cursor to the parameter that you want to change Press OK Press the or button to change the setting Press OK ttention The average inside temperature measurement time which the room compensation uses 29 99 Return water maximum allowed temperature at which Only L1 the regulator begins lowering the return water temp 5 20 Freeze protect limit Minimum return water temperature Only L1 when the outdoor temperature is 0 C 10 50 Freeze protect limit Minimum return water temperature Only L1 when the outdoor temperature is 20 C 5 20 Lower limit of supply water during a free temperature 5 20 drop in the regulating circuits H1 H2 when the
74. t message you have sent to see that the device ID and keyword have been written correctly Also check that the EH 203 controller has the operator s message centre number of the GSM connection you have in use The factory setting is a Saunalahti connection Jumper wire OUMAN 37 An example of bus connection Fargo modem 5 32VDC EH 203 connection wire D Master EH 60 EH 686 Directions for entering the maintenance mode are on page 21 Meas 9 setting Digl selection Dig2 selection Dig3 selection Curve type Regul Circ Name Enrgy meter LON initaliz TEXT MESSAGE SETTINGS net sotution E fi That which is presented on this page is in effect when a modem has not been directly connected to the controller Communication occurs through the controller s RS 485 field bus Many controllers can be connected to the system by using the EH 485 bus adapter card and a modem can be connected to the RS 485 field bus through the master device EH 686 An EH 485 bus adapter card must be installed in the controller so that the EH 203 controller can be connected to the RS 485 field bus see installation and initialization guide in the instructions that come with the EH 485 card Controllers that are connected to the bus are given a device ID e g TC 1 so the system can identify which controller is being communicated with The device ID always
75. ter during reduced operation Effect of wind compensation on supply water Effect of sun compensation on supply water Effect of clock controlled reduced operation mode on supply water or a drop controlled by a home away switch or robot phone Effect of pre increase on supply water after reduced operation mode Effect of automatic autumn drying on supply water Effect of outdoor temperature measurement delay on supply water S Effect of exhaust fan at power on supply water Autumn dry udi outaoorneiay L Supply water temperature drop due to maximum limit exhaust Supply water temperature increase due to minimum limit Max lim eff Min limete AA Effect of return water limits on supply water e i Effect of district heat power limit or flow limit on regulating circuit H1 outp Lim Stand by T 21 supply water Result E Effect of free temperature drop on supply water Present supply water temperature C determined by the regulator EXAMPLE In the example the supply water temperature according to the curve is 35 C Autumn drying raises it 4 C The outdoor temperature measurement delay drops the supply water temp 2 C As a result the regulator determines that the supply water Min lim eff 0 temperature is 37 C 35 4 2 37 Result 37 R SA 5 KEYWORDS H1 Info water GSM H2 Info water 10 OUMAN OUMAN EH 203 DISTRICT HEATING ENE EMR 200 compatible energy meters e Kamstrup
76. tings Write the setting in place of the previous setting H1 Operat modes Puta star in front of the operating mode which you want to start using When you select manual operating regulator sends information about the supply water temperature and valve positions 0 10V controlled actuators Attention When using electric manual control K special caution has to be taken because of danger of freezing and overheating During the valve flush function the regulator first opens and then closes the valve After this automatic regulation continues The purpose of this function is to clean out a plugged up valve Relays A GSM can be used to control the relay only if the relay is being time controlled Place a star next to the control mode that you want to begin using In time control you can also set the length of time it is in effect range 0 999 min Acknowledging alarms You can acknowledge an alarm with a GSM by sending the same message back to the regulator OUMAN 20 The maintenance person s maintenance guide begins here p 21 44 Automatic Automatic 15 52 E DH Energy meas Operat modes Clock functions Language Keel Type info Start function b Mainten mode MAINTENANCE MODE SPECIAL MAINTENANCE MODE OUMAN Ree ENTERING THE MAINTEN MODE Access to the Ouman EH 203 maintenance mode is prevented by user rights Only those persons who have a maintenance c
77. tional equipment has been installed into Ouman EH 203 the controller can be connected to a browser based user interface through the Modbus bus using the EH net The EH net can be connected to the public Internet network or to the local network intranet If the EH net is connected directly to a public IP address we recommend using a firewall device between the EH net and the network By using the browser it is possible to communicate with the EH 203 controller from any pc Information from the controller can be read and changed from the pc If desired entry to certain functions can be limited or certain things can be hidden that can be security risks or which are not relevant If the controller gives an alarm alarm information can be transmitted by e mail If a GSM modem is connected to the master device alarm information can be transmitted as text messages to a GSM phone Specific instructions for installing the MODBUS into the EH 203 controller and initialization come with the bus adapter card Instructions for network connections and initialization come with the EH net master device Internet Intranet a e mail EH net web server Alarm transfer Text message to a GSM phone Modbus EH 203 EH 105 MODBUS 600 EH 686 39 40 Changing the fuse Switch off the voltage from the regul Press the fuse socket and turn it counterclockwise Change the 200mA 5x20mm glass tube fuse Press a
78. ure and the supply water temperature is higher than the set value If the HW supply water temperature exceeds the HW alarm limit factory setting 70 C the alarm goes off The present supply water temperature appears on the display The alarm relay contact closes strip connectors 31 and 32 See Settings page 23 If measurement 6 is reserved for measurement of water pressure in the network the controller gives an alarm if the pressure is too high or too low fill alarm and if there is no pressure lower limit alarm see p 31 External alarms can also be connected to EH 203 e g a pressure alarm can taken as contact information from the pressure meter giving the alarm Alarm labelling is done using the text editor If pulse information from the facility s water meter is connected to digital inputs it is possible to monitor possible leaks in the hot water network see p 32 The regulator gives a risk of freezing alarm if the supply water temperature goes below the lower limit set for a free drop in the supply water or the lower limit set for the room temperature The present supply water temperature appears on the display The alarm relay contact closes strip connectors 31 and 32 See special maintenance settings page 29 Measurements 6 9 10 and 11 can also be used to indicate external alarms potential free switch In that case a 30k9 resistor must be connected to the strip connector of the measurement in guestion Closing
79. ure changes The original factory settings may vary from the above Shorten the time to approx 12 seconds in the HW 3 way mixer 22 OUMAN Directions for entering the maintenance mode are on page 21 Ouman EH 203 has three types of settings a user level settings which the user can adjust p 6 7 b maintenance mode settings which the maintenance person may have to adjust c special maintenance mode settings which seldom have to be adjusted p 29 The original factory settings are restored in special maintenance p 28 Press the 3 button to move the cursor to Settings Press OK Press the 3 button to move the cursor to the setting whose value you want to change Press OK Press the or button to change the setting Press OK Press the iol button to move to the HW regulating circuit Press the S button to move the cursor to the setting whose value you want to change Press OK Press the or button to change the setting Press OK INFORMATION ABOUT MAINTENANCE MODE SETTINGS OutdoorDelay H1 2h Pre increase H141 Oh H2 Oh HW alarm 70 C HW increase 0 C OUMAN 05 120 0 4 20 GC The length of the outdoor temperature measurement follow up period from which the regulator calculates the average Supply water regulation and pump control occur on the basis of the measurement of the average The duration of the automatic pre increase after the reduced operation m
80. vals This prevents Enrgy meter the GSM from becoming disconnected in the event of a power failure LON initaliz Net measurement TextMessageSett Installing receivers tor alarm messages Give a telephone number that the regulator automatically sends a text message to about an alarm in the event of an alarm At first the alarm message is only sent to the GSM number 1 If the alarm is not acknowledged from this number after five minutes the regulator sends a new alarm to both the GSM 1 and 2 numbers Press the button to move the cursor to Change Press OK O blinks Write the telephone number using the text editor You can move forward or backward in the character row with the or button Confirm the number by pressing OK then the same number that you selected will blink in the next space Whichever has been selected last can be deleted by pressing ESC If you press the ESC button for a while the number will be deleted and the number that was previously fed will remain in effect When you are ready press OK for a while over 2 secretary Device ID l The regulator can be given a device ID which functions as the device s secret password and address information The device ID can be freely labeled The device ID is always written in front of the key word when Tie ENSI a E aa ass ole op ATS Write a device ID that has a max of 4 characters The text editor has the letters A Z and the numbers 0 9 You can m
81. y The day is left unselected press the to delete the selection The selection shown on the display is taken into use with the OK button Make your selection for each day and press OK There is always one program block inside the brackets drop on and off The cursor moves to the beginning of the next program block new brackets Continue programming as before or exit with ESC In the example the drop is in effect during the workweek between 19 30 and 4 30 On the weekend the drop begins on Friday evening at 19 30 and ends on Monday morning at 4 30 HW temp incr Domestic hot water increase program Clock programming occurs in the same way as the temperature drop clock program DELETING THE PROGRAM BLOCK You can delete the program block inside the brackets by deleting the weekdays in that program block with the button 4 OUMAN OUMAN EH 203 Clock functions relay control DH Energy meas Control modes Clock functions Type info N b R1 time program R2 Control HW temp incr Time program Continuous ON Continuous OFF Timer ON Timer OFF OUMAN Timer OFF m 4 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 and 27 Then the relay can be controlled using a GSM ifa GSM modem has been installed into the regulator option

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