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1. Outdoor sensor H1 supply water sensor H1 room sensor Compressor running information H2 supply water sensor Free measurement Name using the text editor Supply water sensor HW HW circulating water sensor Anticipation sensor Accumul upper part temp sensor Accumulator s lower part temp sensor Hot gas temp sensor or or free meas Name using the text editor Pulse information contact inform e g alarm information Electrical heating resistor contact inform Pulse information contact inform e g alarm information Alarm information from regulator max 46V 1A gt amp 24 VAC output a y exe O Q 24 VAC x51 Open amp Actuator control H1 circuit tie 3x0 8 8 ype 24 VAC H 0 10V S ki Closed amp DC input x54 8 amp Q 24VAC 55 7 Open amp o vs 3 Actuator control H2 circuit 13x08 Z S a56 24 VAC o N 9 0 10V a Closed Q DC input x58 7 O Q 8 ES ae Actuator control HW circuit s Ea 3x0 8 ircui o x 0 D B a60 24 VAC w Closed Oe OW DC input 62 Relay control R2 230VAC 6 1 A Geothermal heating unit s compressor control GENERAL CONNECTION DIA N x gt o0 L Relay control R1 230VAC 6 1 A Geothermal heating unit s electrical heating resistor control IE Distribution center power supp
2. Supply water regulation according to the outdoor temperature including the inside temperature measure ment room compensation Supply water regulation according to the outdoor temperature including wind compensation Supply water regulation according to the outdoor temperature including sun compensation 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 22 VA Relay outputs 1 break before make contact relay 230VAC 6 1 A and 1 norm open contact relay 230 VAC 6 1 A Alarm relay outputs 1 24VAC 1A Information transfer EIA 232C RS 485 MODBUS or LON connection 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 Fi Safety EN 60730 1 Warranty 2 years Manufacturer Ouman Finland Oy Kempele Finland www ouman fi Supply water regulation according to gt 1 the outdoor temperature including the inside temperature measurement room compensation and wind compensation Supply water regulation according to the outdoor temperature including the oa i inside temperature measurement room compensation and sun compensation Supply water re
3. Use the A button to move from one regulating circuit to the next H1 H2 Press the Et button to move cursor to Heating curve Press OK Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Press OK Press the or button to set the supply water temperature at an outdoor temperature of 0 C Press OK Press OK Press the or button to set the supply water temperature at an outdoor temperature of 20 C Press OK Exit with ESC When the outdoor temp is 20 C the supply water is 32 C 0 C the supply water is 27 C 20 C the supply water is 21 C Attention 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 11 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 LAMPOASSA 203GT Instructions for setting the curve EXAMPLES OF DIFFERENT HEATING SYSTEMS a Floor heating b Normal radiator network factory setting 20 0 20 C 20 0 20 C INSTRUCTION If the room temperature drops in subzero weather raise the curve setting at 20 C If the room temperature rises in subzero weather lower the curve setting at
4. Pre increase 6 7 Pre increase time 21 Protection class 44 Pulse information 34 Geoth heating accumulator 8 24 28 GSM modem 37 38 42 GSM functions 18 Relay controls 24 28 Restoring settings 29 Room compensation 6 31 32 36 Room temperature delay 30 RS 485 bus 36 42 Self learning 16 Sensor fault alarm 17 Stand by function 12 30 Start function 16 Sun compensation 8 31 32 36 Supply water temperature info 11 Surface mounted thermostat 5 Temperature drop 12 14 18 Time controls 14 Text editor 9 Text message settings 37 38 Trend display 22 Tuning 20 Valve flush function 18 Valve summer stop 6 7 Wastewater tank alarm 17 Water pressure alarm 17 18 34 Wind compensation 8 31 32 36 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 Cabling direct Regulator type Measurements Clock programs 1 1 kg From above or below turnable display and keyboard Through holes on the bottom Heating circuit s PID domestic hot water circuit s PID exchange quick run 11 pieces NTC 10 kQ 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 oar eu Ji TT 44 Supply water regulation according to the outdoor temperature
5. the direction the actuator is being run can be seen on the display The character indicates that the actuator is being run into an open position The character indicates that the actuator is being run into a closed position Ny OO Supply water temperature Ono O01 O co SFRS O11 If a voltage controlled actuator 0 10V or 2 10V is being used the actuator s position information can be seen on the display 0 closed 100 open Supply water temperature NOO O By pressing the A group select button you can 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 button to move the cursor to Sampl intvl Press OK The time blinks Press the or button to set the time Press OK Peed Actuator se Directions for entering the maintenance mode are on page 19 Geotherm heat VALVE ACTUATOR CONNECTION 3 point controlled actuator 24VAC 23 5961 Open L Closed 3 point 24 VAC Open_L Closed 3 point 24 VAC HW actuator H2 actuator control output M1 control output M2 control output M3 H1 actuator rel 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 Regulating circuit H1 actuator s control output is M1 Regul
6. 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 question Closing alarm Opening alarm When the contact is open When the contact is closed 1 appears on the display 1 appears on the display 30k9 When the switch closes an When the switch open an Ok9 alarm goes off and the alarm alarm goes off and the in question appears on the alarm in question appears display on the display Digital inputs as alarms Digital inputs Dig1 Dig 2 and Dig 3 can be used for receiving external alarms The alarms can be labeled according to topics e g water damage installation p 34 When the contact connected to the digital input closes an alarm goes off and err appears on the display If the alarms are not labeled Alarm Dig 1 2 3 will appear on the display in the event of an alarm and the alarm relay contact closes strip connectors 31 and 32 24 VAC 1A X 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 2x0 8 Alarm center 31 The GSM modem optional equipment offers an economical miniature monitor solut
7. during the summer The outdoor temperature limitat which the regulator closes the valve in H1 circuit Circuit 2 is often used to warm up the wet places sauna stove lavatory and so on Because it is important to warm up the wet places also summer time the valve in circuit 2 is not closed Room sensor TMR must be connected H1 meas 3 H2 meas 6 or net Wind sensor must be connected the same sensor for regul circuits H1 and H2 meas 6 or net Sun sensor must be connected the same sensor for regul circuits H1 and H2 meas 6 or net The setting appears if pre increase time has been set in maintenance level settings see p 21 LAMPOASSA 203GT Additional information ab tings actory Range OO l ettings l Full effect geothermal heating see also p 25 26 Accumulator s 55 C 5 55 C Temperature setting of measurement 9 A compressor running upper part min command is given when the temperature of the accumulator s upper temperature part meas 9 drops below AccumUpperMin AccumUppHyst 2 AccumUpperMin The compressor stops running when the temperature of the accumulator s upper part meas 9 rises above the AccumUpperMin AccumUppHyst 2 temperature and the temp of the accumulator s lower part is high enough see the AccumLowerMin setting Accumulator s 45 C 30 55 C Temperature setting of measurement 10 A compressor running lower part min c
8. eff Stand by Result Effect of outdoor temperature measurement delay on supply water Effect of exhaust fan at 1 2 power on supply water Supply water temperature drop due to maximum limit Supply water temperature increase due to minimum limit Effect of free temperature drop on supply water N 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 KEYWORDS P H1 Info water H2 Info water 11 EET OPERATING MODES Each regulating circuit can be controlled with the operating modes mentioned below The factory set automatic regulation is a normal regulating situation in which the clock controlled temperature drops are also possible _ The selected operating mode always appears on the basic display on the top line 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 OK Press the ia 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 gt Operat modes Clock functi
9. gt 44 max compens formula 40 gt 52 50 gt 60 2 See which values should be set for the regulator from the equivalency 60 gt 68 table 70 gt 76 80 84 90 92 100 gt 100 Wind or sun sensor connection Add series Add and shunt shunt resistor resistor 32 PME MEASUREMENT 11 The value of measurement 11 can be changed in this special maintenance mode Hot gas is a factory setting Directions for entering the maintenance mode are on page 19 Press the button to move the cursor to Meas 11 setting Press OK Meas 11 setting Digl selection Selecting measurement 11 Press the e 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 Hot gas measurement Relabeling is shown on page 9 Hot gas temperature If the hot gas temperature exceeds 125 C the compressor cannot start up 33 Directions for entering the maintenance mode are on page 19 Meas 11 setting gt Digl selection Dig2 selection Dig3 selection LON initializ PumpI t relay Watr consmp m3 203GT has three digital inputs A digital input can be connected to contact information or pulse information Contact information can be used to
10. hot water regulating circuit Decrease OK button button Remote control options Remote control via a GSM phone Increase button When you press button in adjoining basic display mode the regulator displays all the measure ment results in turn and then returns to the basic display mode Most of 203GT s user level functions can also be carried out via GSM phone text messages Text message use is illustrated on page 18 Symbols which indicate actuator control mode A Regulator opens the 3 point controlled actuator Regulator closes the 3 point controlled actuator the position of the voltage controlled actuator Valve is fully open 100 and the control voltage is 10 V Vv Ey Height up the pillar shows Valve is fully closed 0 and the control voltage is 0 V or 2 V 2 10 V actuator INFO button ESC press to gives operating return to the instructions and previous display additional informati on on the display in different situations User guide Settings for characteristic heating curve y Settings O M Measurements 777 Measurements and sensor co Supply water temperature i Operating modes S 12 Priel Clock functions O Language selection o OOO OHM Type information EEE Start function O M Alarms eee GSM functions C Maintenance guide These pages contain Entering the maintenance mode OO directions for maintenance Tuning values IE persons Acc
11. in regulating circuit H2 0 10V 2 10V controlled ActuatorHW Actuator position in regulating circuit HW actuator INSTRUCTIONS FOR CONNECTING SENSORS Berea ane 2x 0 8 e E Outdoor temp sensor TMO H Meas 1 C 2x 0 8 30 177 100 H1 Supply water sensor mwm R Meas 2 25 130 400 2x 0 8 Mase 20 96890 H1 Room sensor TMR ___________4 i 15 72 830 2x0 8 2 Compressor s running information f IS Meas 4 gt re oh 2x 0 8 O 32660 H2 Supply water sensor TMW or TMs y Meas 5 5 95400 2x 0 8 10 19 900 Free temp measurement M 6 Measure 6 TMW or TMS arr o i 15 15 710 X U 20 12 490 4 Meas 7 HW supply water sensor TMW or TMS E Z 25 10 000 HW circulating water sensor 2 x 0 8 Meas 8 30 8 064 anticipate sensor TwW or TMS i 35 6 531 2x0 8 Acc upper part temperature sensor TMW or TMS pp SOE aa a a Meas 9 je Acc lower part temperature sensor me l Meas 10 50 3 602 ma 55 2 987 Free temp measurement Measure 11 A a Meas 11 60 2 490 Compressor s upper part hot gas temp 1MW or TMS 65 2 084 70 1793 Putting sensor into use and removing it from use 19 1 482 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 10
12. 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 50 C the self learning area is 45 55 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 34 C the self learning area is 30 38 C 10 of the set value 203GT gives an alarm when a situation deviates from the norm In the event of an alarm the controller gives an alarm and an alarm message appears on the display Also the alarm relay contact closes Note Although the cause of the alarm has disappeared the last alarm remains permanently on the display until it is acknowledged Ifa GSM modem has been connected to the controller the alarm will appear in the desired GSM phone as a text message External alarms can also be connected to 203GT e g leakage network s water pressure etc alarm labeling is done using the text editor The controller gives an alarm if the temp of the accumulator s upper part rises above 95 C In addition with geothermal heating at full effect the controller gives an alarm if the co
13. of accumulator s lower part 45 C Hysteresis of accumulator s lower part 6 C Manual mech Maintenance level settings dulck w Mannat Gee Outdoor temp delay H1 H2 2h 0 h l Pre increase Oh Re Domestic hot water alarm 70 C CPOE neag Special maintenance settings Room temperature delay 0 5h 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 Actuator selection H2 Supply water min at 20 C 30 C The amount of deviation from the setting which 75 C causes the alarm H1 H2 HW The duration of the deviation that causes the alarm 60min Drop in supply water temperature when the exhaust fan is at 2 speed Domestic hot water alarm delay 6 C 30s Directions for entering the maintenance mode are on page 19 H2SupMin 20 H1 Dev alarm H2 Dev alarm HW Dev alarm DevAlaDela min 1 2exhst C HW AlarmDel s Room delay H1 SuppMin 0 C 10 C H2 SuppMin 0 C 10 C H1 SupMin 20 C 30 C H2 SupMin 20 C 30 C H1 Dev alarm 75 C H2 Dev alarm 75 C HW Dev alarm 75 C DevAlaDela 60 min Y2 exhst 6 C HW AlarmDel 30s INFORMATION ABOUT SPECIAL MAINTENANCE SETTINGS In the 203GT heating regulator the user can adjust most of the settings see settings p 6 8 Some of the settings that control the regulator s functions can be set in the maintenance mode see page 21 and some in special maintenance Seldom needed settings can be adjusted in special ma
14. read through the net H1 Supply Supply water temperature in regulating circuit H1 0 130 H1 Room Room temp in regulating circuit H1 room comp 10 80 Can be read through the net H2 Supply Supply water temperature in regulating circuit H2 0 130 6 Measure 6 Free measurement name using the text editor 10 80 Interchangeable p 31 If 6 H2 Room Room temp in regulating circuit H2 room comp several compens are needed 6 Wind Wind speed of sensor s range the data must be read through 6 Sun Amount of light of sensor s range the net and the wind is m s and the light is lux p 36 7 HW supply HW domestic hot water supply water temp 0 130 8 HW circul wat Temp measurement of HW return water 10 80 an anticip sensor is used improve the setting results see page 21 Anticipate 9 Acc upp part Accumulator s upper part temperature 0 130 10 Acc low part Accumulator s lower part temperature 0 130 11 Measure 11 Free measurement name using the text editor 0 130 11 Hot gas Temp measured from compressor s upper part Measurement data through J 3 Wat m3 Measured water consumption of facility m 0 99999 9 digital input or the bus Compr Time Compressor s total running time running time counter El HeatTime Electrical heating resistor s total running time in hours running time counter ActuatorH1 Actuator position in regulating circuit H1 Appears only when using a ActuatorH2 Actuator position
15. the AccumUppComp setting at an outdoor temp of 20 C Upper part setting Calculate according to the formula AccumUppMin Amount of outdoor compensation Maximum limit for the lower part The maximum limit varies from 53 C to 55 C When the outdoor temperature is above 15 C the maximum limit is 53 C When the outdoor temperature is below 5 C the maximum limit is 55 C When the outdoor temperature is from 15 C to 5 C the temperature limit changes linearly from 53 C to 55 C Function and its terms A compressor running command is given when the temp of the accumulator s upper part meas 9 drops below the Upper part setting AccumUppHyst 2 or when the temperature of the accumulator s lower part meas 10 drops below the controller indicated H1 supply water temp 5 C AccumLowHyst or when the temperature of the accumulator s lower part is below the AccumLowMin setting The compressor stops running relay 2 is inactive strip connector space 71 72 opens when the temperature of the accumulator s upper part meas 9 rises above the Upper setting AccumUppHyst 2 temperature and the temp of the accumulator s lower part meas 10 rises above the controller indicated H1 supply water temp 5 C and the AccumLowMin AccumLowHyst temperature Compressor running is inhibited the compressor does not run if under 5 minutes has l
16. the compressor starts running when the temperature drops to 117 C if the temp of the accumulator s upper part meas 9 exceeds 95 C the compressor starts running when the temperature has dropped to 85 C if the temperature of the accumulator s lower part exceeds the calculated Lower part maximum limit 53 55 C The compressor starts up when the temperature of the accumulator s lower part has dropped 3 C below the calculated Lower part maximum limit if the electrical heating resistor has been switched on The electrical heating resistor switches on if 1 Compressor control has been on for an hour and the temperat of the accumulator s lower part has not risen a degree or the compressor alarm is active and an attempt has been made to restart the compressor after a delay time of 5 minutes and 2 The temperature of the compressor s upper part is below AccumUppMin AccumUppHyst 2 El HeatUppHyst or the temp of the accumulator s upper part meas 9 is below the controller indicated H1 supply water temp El HeatUppHyst This calculation takes into account that the temperature of the controller indicated H1 supply water temperature is a maximum of 50 C The electrical heating resistor switches off relay 1 is active strip connector space 73 74 opens when the temperature of the accumulator s upper part meas 9 rises above the AccumUpperMin AccumUppHyst 2 and the tem
17. to a PC D 25 connector female Connector a number 203GT regulator DATAJAMAK 2x 2 1 x0 24 are connected together at the PC end are connected together at the PC end Connecting the regulator directly to a PC D 9 connector female Connector pin number 203GT regulator DATAJAMAK 2x 2 1 x0 24 are connected oO together at the PC end are connected together at the PC end 39 LAMPOASSA 203GT 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 and turn the fuse socket clockwise into place Changing the battery e Ss 203GT 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 40 INSTALLATION AND MAINTENANCE GUIDE 203GT is fastened to its mounting ba
18. 0 680 you must go to start function See page 16 110 511 10 CTET SUPPLY WATER INFO 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 R2 Automatic ae 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 button to move cursor to Info water temp Press OK Press the S button to browse factors which determine the supply water nfo water temp temperature Operat modes Exit with ESC Supply water temp at the present outdoor temp accord to the curve Room comp Effect of room compensation on supply water RoomCompNigh Effect of room compensation on supply water 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 GSM phone Effect of pre increase on supply water after reduced operation mode Effect of automatic autumn drying on supply water Reduced temp Pre increase Autumn dry OutdoorDelay exhaust Max lim eff Min lim
19. 1 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 and 11 can be used to indicate external alarms additional information on alarms page 17 ATTENTION Only the measurements connected to the regulator appear on the display OPERATING INSTRUCTION enon Press ESC until the display no longer changes 52 You are then in the Selection display shown in the adjoining picture p 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 button to move cursor to Measurements Press OK Browsing through measurements Outdoor 15 co H2 Supply 48_ Press the 3 button to browse different measurements HW Supply 55 ress o exit from the measurements display HWcircul wat 47 Acc upp part 57 Ace low part44_ Every sensor has it s own typical range Eg outdoor sensor 50 50 C Meas 11_ Measure 11 30 Ifthe sensor s measured value is outside of this range a or character will Wat m3 11123 5 appear on the measurements display in place of the sensor s measured Sore ae value to indicate whether the value is above or below the range El HeatTime ActuatorH1l 45 ME ActuatorH2 45 If ther
20. 20 C If the room temp feels chilly at zero degree weather raise the curve setting at 0 C In this way you can set the regulating curve to meet the heating needs of your facility ATTENTION Wait a sufficient amount of time after the adjustment so the change has time to effect the room temperature Houses with floor heating Set the 203GT regulator s maximum limit between 35 40 C and the minimum limit between 20 25 C In floor heating solutions it is important to make sure that exessively hot water which could damage structures or surfaces doesn t ever get into the network A mechanical thermostat should be installed on a supply water pipe which stops the circulation pump in case of overheating Ouman Oy keeps CO1A surface mounted thermostats in stock that are suitable for this purpose Set the thermostat at 40 45 C Model Set pointrange C Differential range C Temp of cover C CO1A 20 90 7 35 120 Surface mounted thermostat CO1A AC 250V 15 2 5 A Surface mounted thermostat s C01A connection Pump control control 230 VAC KEYWORDS Heating curves H1 Heating curve H2 Heating curve Room temp Temp drop w supply water Min limit Max limit Automatic I 52 RoomCompens Sun compens Pre increase Autumn dry Valve close AccumUpperMin AccumLowerMin ElHeatUppHyst In 203GT the regulator is controlled by many different settings
21. 20 mA Adjust the sensors with the regulator s resistors so that the measurement message that comes from the regulator is always 0 5 V Compensation area calculation Example A wind sensor is in use which has a measurement area of 0 20 m s You want wind compensation to begin when the wind velocity is 6 m s v min limit and compensation to be at maximum value when the wind ie iN velocity is at least 14 m s max limit Calculate how many percent the wind compensation limits min limit and max limit are from the measurement area s maximum 20 m s and set them as the minimum Wind compensation and maximum compensation percentages Supply water a Min limit m s 6 m s z of 200 6 14 Tes Wii compensa naaa ee X 1007 x 100 30 ay IEE aie 10V meas area s max 20 m s 30 70 100 Vee Mathias 14 m min limit max limit o M S 0 o Picture Wind compensated supply water temperature curve Max compens meas areas max x 100 7 20 m s x 100 70 lf measurement sensors that begin from zero are in use 0 10V or 0 20mA set the values calculated with the above formula as the minimum and maximum compensation percentages Setting the minimum and maximum compens when the sensor s measurement area does not begin at Zero Value obtained 2 10V from the formula 4 20 mA 10 gt 28 20 gt 36 1 Calculate the compensation percentages with the min compens and 30
22. 5 C the maximum limit is 53 C When the outdoor temperature is below 5 C the maximum limit is 55 C When the outdoor temperature is from 15 C to 5 C the temperature limit changes linearly from 53 C to 55 C Function and its terms A compressor running command is given relay 2 is active strip connector space 71 72 closes when the temperat of the accumulator s upper part meas 9 drops below the AccumUpperMin AccumUppHyst 2 or the temperature of the accumulator s lower part meas 10 drops below controller indicated H1 supply water temperature 5 C AccumLowHyst or the temperature of the accumulator s lower part meas 10 drops below the AccumLowerMin setting The compressor stops running relay 2 is inactive strip connector space 71 72 opens when the temperat of the accumulator s upper part meas 9 rises above the AccumUpperMin AccumUppHyst 2 and the temp of the accumulator s lower part meas 10 rises above the controller indicated H1 supply water temp 5 C and the temperature of the controller s lower part meas 10 rises above the AccumLowMin AccumLowHyst temperature Compressor running is inhibited the compressor will not run if less than 5 minutes has lapsed since the previous running period if the hot gas temperature measurement meas 11 is connected and the temperature of the hot gas rises above 120 C
23. E 203GT Heating regulator 203GT 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 control 203GT has a number of other control and alarm functions for facilities Measurement information can be read settings and controls can be checked and adjusted and alarms can be received and acknowledged remotely via a GSM telephone s text messages A GSM modem optional equipment must be connected to 203GT to enable GSM use p w Wser manual i i Ag pr oo 7 ie 7 if IKONOK MODBUS Userpanel Regulating circuit code indicates the regu lating circuit in question heating circuit H1 shown here Congratulations on your excellent choice You have arquired a diver se new generation heating regulator designed for residental and office buildings most a top of the line product which can be adapted to the most diverse locations and heating systems Next we will introduce the regulator and the basic principles for using the user manual The example shows the regulating circuit s operating mode Browse button moves the gt cursor up and down 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
24. Settings are selected according to sensor connections and geothermal heating selection is it full effect or limited effect geothermal heating in use see page p 24 By browsing you can see which settings you have in use Browsing and setting changes occur in the following way 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 ia button to move from one regulating circuit to the next H1 H2 HW Press the e button to move cursor to Settings Press OK Changing the heating regulating circuit setting Press the e button to move the cursor to the setting that you want to change Press OK Press the or button to change the setting Press OK Exit with ESC Changing the domestic hot water temperature 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 21 5 C 5 0 45 0 C Room temperature setting which user has During temperature drop set period regulator use the calculated room temp setting which is 0 C 0 35 C The supply water temperature drop Room temp Temp drop w determined by the clock program or the Room compens external home away switch Room compensation takes a desired drop in room temperature into account r 80 65 15 C 5 95 C Minimum allo
25. apsed since the last running period if the hot gas temp measurement meas 11 is connected and the temp of the hot gas exceeds 120 C the compressor can start up when the temperature has dropped to 117 C ifthe temp of the accumulator s upper part meas 9 exceeds 95 C the compressor can start up when the temperature has dropped to 85 C if the temperature of the controller s lower part exceeds the calculated Lower part maximum limit 53 55 C The compressor can start up when the temperature of the accumulator s lower part has dropped 3 C below the calculated Lower part maximum limit The electrical heating resistor switches on when the temperature of the accumulator s upper part meas 9 drops below the Upper part setting AccumUppHyst 2 El HeatUppHyst temperature or the temperature of the accumulator s upper part meas 9 is below the controller indicated H1 supply water temp El HeatUppHyst The electrical heating resistor switches off relay 1 is active strip connector space 73 74 opens when the temperature of the accumulator s upper part meas 9 exceeds the Upper part setting AccumUppHyst 2 temperature and the temperature of the accumulator s upper part exceeds the controller indicated H1 supply water temp Heating with electrical heating resistance is inhibited if the temperature of measurement 9 exceeds 95 C the temperature must dr
26. ating 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 8 button to move the cursor to the actuator control mode that you want to use Press OK If you select the 3 point control mode the regulator asks for the actuator s running 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 actuator 24VAC 2 Te OOV VAC or 2 10V HW actuator control output M1 control output M2 control output M3 H1 actuator H2 actuator 23 LAMPOASSA 203GT GEOTHERMAL HEATING Select full effect or limited effect geothermal heating After this selection you can change the settings that switch the compressor and electrical heating resistor on and off Relay 1 controls the geothermal heating unit s electrical heating resistor and relay 2 controls the running of the geothermal heating unit s compressor Press the 8 button to move cursor to Geotherm heat Press OK Actuator select b Geotherm heat Special mainten Press the 8 button to move cursor to GeothHeatFull or GeothHeatPart Press OK T
27. 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 a e n A A o O IAC ted i e YU 4 os E so ba E f aY n as m Outdoor 0 20h The length of the outdoor temperature temperature H2 Oh 0 20h measurement follow up period from delay which the regulator calculates the average Supply water regulation and pump control occur on the basis of the measurement of the average Pre increase H1 Oh 0 5h The duration of the automatic pre H2 Oh 0 5h increase after the reduced operation mode HW alarm 70 C 65 120 C Domestic hot water alarm limit The alarm limit automatically rises during an increase in HW 21 Directions for entering the maintenance mode are on page 19 22 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 lf 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 If a 3 point actuator is being used
28. ct an serial interface for the measurement in question 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 8 36 Directions for entering the MODEM SETTING text MESSAGE con maintenance mode are on page 19 In order to communicate via text messages the controller must be Digl selection Dig2 selection Dig3 selection LON initaliz Net measurement TextMessageSett MessageCentreNr PIN code Modem type 1 Modem Network device aa Jumper wire connected to a GSM modem optional equipment The modem comes with an adapter cable equipped 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 GSM modem connection is done in start functions The controller automatically initializes the GSM modem in two hour interval
29. de are on page 19 changed using the text editor Press the 3 button to move the cursor to Meas 6 setting Press OK Meas 11 setting Selecting measurement 6 Press the e 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 oes measurement 6 Not connected Labeling measurement 6 using the text editor The factory setting for measurement 6 is Measure 6 Relabeling is shown on page 9 Setting limits for the wind or sun sensor measurement message You must set compensation limits for wind or sun measurements The minimum indicates where in the transmitter s measurement area the compensation begins and the maximum indicates at which measurement area the compensation is at maximum value More information about sun and wind sensor connection on the next page Press OK Press the or button to set a limit and press OK to confirm 31 When you connect the wind or sun sensor to measurement 6 you instruct the regulator when you want the wind or sun compensation to function Calculate compensation limits min max in the same way regardless of which sensor is in use The wind and sun compensation ratio indicates how many degrees compensation changes the supply water temperature and the user can set this See settings p 8 The wind and sun sensor measurement signal can be 0 10 V 2 10 V 0 20mA or 4
30. e 203GT regulator 2 Butoamatic OPERATING INSTRUCTION Automatic 15 52 Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture 1 Press the 8 button to move cursor to Type information Press OK Operat modes Clock functions Language Keel gt Type info Start function Mainten mode The version number informs the producer which version is in question The serial number is connected to the production process so the manufacturer can determine exactly which regulator is in question 15 EOE START FUNCTION Regulat me Automatic 15 52 Operat modes Clock functions Language Keel Type info gt Start function Mainten mode asic regu H2 Self learn H2 Not in use HW Regulator HW not in use SELF LEARNING INFORMATION Indicates that self learning ez s 20 020 C 16 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 regulator in each regulating circuit Itis 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
31. e 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 3 button to choose what you want to access from the adjoining menu Each item is presented individually on a separate page ctuator selec Geotherm heat Special mainten Meas setting Digl selection Dig2 selection Dig3 selection LON initializ Bus measurement TextMessageSett 19 203GT has three PID regulators The tuning values may have to be adjusted for example when the geothermal heating is installed if the setting wavers with the original factory 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 19 Tuning takes place in the following manner The cursor is at Tuning values Press OK Press the 8 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 P area H1 H2 140 C 10 300 C Supply water temperature change at Eg If the supply water P area HW 70 C 10 300 C which the actuator runs the valve at temperature changes 10 C 100 and the P area is 100 C the position of the actuator changes 10 l
32. e is a sensor defect the regulator gives an alarm see p 17 and err ActuatorHW 45 will appear in place of the measured value Measure 6 Can be used as a free temperature measurement that can be labeled or as a measurement that effects regulation H2 room wind or sun compensation see Special maintenance p 32 33 Measure 11 Measurement 11 If meas 11 is not reserved for compressor upper part hot gas temp measurement meas 11 can be used as a free temp measurement that can be labeled Relabeling measurements 6 and 11 Move the cursor to the measurement 6 or 11 that has to be relabeled Press OK Move the cursor to Give new label Press OK A letter appears on the display You can move forward or backward in the character row by pressing the or button Confirm the letter character by pressing OK then the same letter character that you selected will blink in the next space The character that has been fed last can be deleted by pressing ESC If you press the ESC button for a while you can delete the 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 Text editor s characters in the order in which they appear Empty numbers 0 9 letters A Z a zaoa KEYWORD Measurements information Out temp Outdoor temperature 50 50 Can be
33. ement 10 is above the controller indicated H1 supply water temp 5 and above AccumLowMin AccumLowHyst 3 Measurement 10 gives the compressor a running command because the temperature of measurement 10 is below AccumLowMin 4 The electrical heating resistor switch on because the temperature of measurement 9 is below the Upper part setting AccumUppHyst 2 El HeatUppHyst temperature o x The electrical heating resistor switches off because the temperature of measurement 9 is above the Upper part setting AccumUppHyst 2 setting and above the controller indicated H1 supply water temp 5 setting 28 ic 4 Fle A7 ke RESTORING SET Restoring settings 1 The regul 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 the 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 the 3 point control for actuator control which has a running time of 150s in the H1 and H2 regul circuits and the 0 10V control for actuator control which has a running time of 15s in the HW regul circuit 9 Selects full effect geothermal heating 10 Sets ElectricHeat as a
34. er part setting at outdoor temp 20 C 55 Ss eee rent re Max limit of the accumulator s lower part 53 ene BOR VOUT Se EEEE ee ee A NESE oa Upper part setting AccumUppHyst 2 52 Segl 22 i ee en AccumLowerMin AccumLowHyst 57 s mm TA b L ENSEN E E N E E EA fT Upper part setting AccumUppHyst 2 50 ee eee eee eee eee ee Ye cgtnueenesedeeeucugll cauasey sai ElHeatUppHyst I amp i x oi 3 k3 AccumLowerMin 45 J Saw 2 0 5 559 ii all E h The controller indicated temp of H1 26 sll PEEN SE E ENRE ELENE O EE E E EE EEE E E EE a supply water 5 1 The controller indicated temp 4 O OLETAN AEA HE E i EE EEEE ee E i of H1 supply water r H yE The controller indicated temp of H1 20 a en a ge supply water 5 AccumLowHyst 9 1 Penereesne a agee ean gues a oan eee ee opal a The controller indicated temp of H1 supply water ElHeatUppHyst 1 Time Gompressoar f is switched on Gompressor is switched on Electrical heating resistor is switched on 1 Measurement 9 gives the compressor a running command because the temperature of meas 9 is below the Upper part setting AccumUppHyst 2 2 The compressor stops running because the temperature of meas 9 is above the Upper part setting AccumUppHyst 2 setting and the temperature of measur
35. ess to the Settings C OM regulator s maintenance Trends mode is prevented by Actuator selection 23 a maintenance mode Geothermal heating Es Special maintenance Restore factory settings mg Settings O OM Measurement 6 setting Wind sun measurement Measurement 11 setting Digital inputs LON initialization Net measurements Connection guide Optional equipment Index Technical information LAMPOASSA 203GT SETTINGS FOR HEATING CURVE s w 2 Automatic Automatic 15 52 Operat modes Clock functions Language Keel Type info Start function Mainten mode 80 5 0 30 20 oh 20 0 20 C 20 0 20 C CURVE INTERPRETATION 00 OOO Supply water temperature TITT 20 0 20 Outdoor temperature C The basis for an even room temperature is a characteristic heating curve of just the right shape The right shape fora characteristic heating curve depends on many factors In 203GT the characteristic heating curve can be adapted to exactly meet the needs of the facility from three points 1 outdoor temperature of 20 C 2 outdoor temperature of 0 C 3 outdoor temperature of 20 C 203GT prevents the setting of an incorrectly shaped charac teristic heating curve It automatically suggests an adjustment OPERATING INSTRUCTION Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture Press OK
36. g 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 Acknowledging alarms You can acknowledge an alarm with a GSM by sending the same message back to the regulator 18 Pee ce We rag ENTERING THE MAINTEN The maintenance person s maintenance guide begins here p 19 44 H2 Automatic Automatic 15 52 nfo water temp Operat modes Clock functions Language keel Type info Start function gt Mainten mode MAINTENANCE MODE SPECIAL MAINTENANCE MODE Access to the Ouman EH 203 GT maintenance mode is prevented by user rights Only those persons who have a maintenance code have access to the maintenance mode There are typical tuning values and settings in the maintenance mode which the maintenance person needs in conjunction with installation A geothermal heating selection is done 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 measurements 6 and 11 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 th
37. gulation according to the outdoor temperature including the l i inside temperature measurement room compensation and both sun and wind compensation We reserve the rights to make technical changes v 2 01
38. he character indicates which one is being used The controller controls the compressor and electrical heating resistor according to both the values set here and the controller indicated H1 circuit supply water temperature The controller indicated supply water temperature is found in the controller s supply water info Full effect geothermal heating AccumLowerMin AccumLowHyst The compressor and the electrical heating resistor cannot be on at the same time Additional information about full effect geothermal heating on pages 25 and 26 Limited effect geothermal heating part effect The compressor and the electrical heating resistor can be on at the same time Additional information about partial effect geothermal heating on pages 27 and 28 AccumLowerMin AccumLowHyst AccumUppComp Connection guide A 2 x 0 8 o ME d Q Relay 1 oE _ 2x15 N a 2x1 5 N e gt Meas 4 Compressor running information When relay is inactive the electrical heating resistor is switched on and strip connector 73 74 is closed When relay is active the electrical heating resistor is switched off and strip connector 73 74 is open 2 475 Relay 2 When relay is active the compressor is switched on When the regulator is without electricity compressor can not be able to switch on strip connector 71 72 is open adia 71 24 There are two heating ci
39. hst Home away Away switch information switch closed H1 H2 reduced temperature mode is on Pumpl th relay Pump 1 thermal relay switch information When the switch is closed pump 1 does not run In that case regulator gives an alarm Watr consmp m3 Pulse information from the facility s water meter 34 Pulse information switch information T o Contact information about the heating _ resistor switching on Geothermal heating unit selector switch information automat start up LAMPOASSA 203GT NET CONNECTIONS LON initialization Connect the 203GT to a MODBUS field bus OU SNqpoy 2 Eg LONAK 2x1 3 mm 203GT controller can be connected to the MODBUS RS 485 or LON bus When the EH 203 GT 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 LDe0 Connect the 203GT to a RS 485 field bus OU G8V Sa Connect the 203GT 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 card connector 81 of the controller Directions for enteri
40. imit program of the clock program stand by function KEYWORDS H1 Operat modes H2 Operat modes DHW Settings 12 b Clock functions Language Keel 2007 Thursday 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 8 button to move cursor to Clock functions 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 203GT regulator s clock registers summer time and standard time changes and leap years The battery lasts approx 10 years 13 LAMPOASSA 203GT Clock programs browsing adc With the freely programmable 24 hour 7 day clock you can drop the temp for certain lengths of time heat circuits H1 and H2 OPERATING INSTRUCTION Automatic 15 Press ESC until the disp
41. intenance Press the e button to move the cursor to Settings Press OK Press the 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 0 2 The average inside temperature measurement time which the room compensation uses 5 20 Lower limit of supply water during a free temperature drop 5 20 in the regulating circuits H1 H2 when the outdoor temperature is 0 C stand by function 10 50 Lower limit of supply water during a free temperature drop 10 50 in the regulating circuits H1 H2 when the outdoor temperature is 20 C stand by function 1 75 H1 H2 HW supply water temperature deviation from the 1 75 setting determined by the regulator which causes the 1 75 alarm 0 90 The alarm goes off if the deviation has lasted for the set time 0 10 Drop in supply water temperature when the exhaust fan is Only H1 at 7 2 speed 0 120 The length of time from which the regulator calculates the HW average temperature for the alarm 30 ey MEASUREMENT 6 In this special maintenance mode measurement 6 can be changed from just a free temperature measurement to a regulating circuit H2 room compensation measurement or a regulating circuit H1 and H2 wind or sun compensation measurement Free temperature measurement Directions for entering the is a factory setting which is labeled Measure 6 This label can be maintenance mo
42. ion Alarm information is directed to the desired GSM numbers 1 and 2 See p 37 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 17 A GSM modem can be connected to 203GT making it possible for the user to communicate with the controller via GSM phone text messages installation p 37 AGSM phone can be used to carry out most of the user level functions in this manual e g measurements settings heating curve settings supply water info and the controllers operating mode A GSM phone receives alarms which can be acknowledged by sending the alarms back to the controller COMMUNICATING WITH THE REGULATOR USING A GSM Send the following text message to the regulator KEYWORDS Dk l If the regulator has a device ID p 37 38 always write the device ID ERT 19DE before the key word e g TC1 KEYWORDS The regulator will send a H1 INFO A list of key words via text message which will help you obtain information H2 INFO WATER about how the regulator operates Each key word is separated by a character Receiving information from the regulator Send a text message to the regulator using key words that it provides you The regulator recognizes
43. itched on i a Electrical heating resistor is switched on 1 Measurement 9 gives the compressor a running command because the temperature of measurement 9 is below AccumUpperMin AccumUppHyst 72 2 The compressor stops running because the temperature of measurement 9 is above the AccumUpperMin AccumUppHyst 2 setting and the temperature of measurement 10 is above the controller indicated H1 supply water temp 5 and above AccumLowMin AccumLowHyst 3 Measurement 10 gives the compressor a running command because the temperature of measurement 10 is below AccumLowMin 4 The electrical heating resistor can switch on after an hour because the temperature of measurement 9 is below the AccumUpperMin AccumUppHyst 2 ElHeatUppHyst temperature The compressor switches off and the electrical heating resistor switches on because the conditions for the electrical heating resistor to be on are met and during an hour s time the temperature of measurement 10 has not risen 1 C while the compressor has been running 5 a6 setting and above the controller indicated H1 supply water temp 5 26 The electrical heating resistor is switched off because the temperature of measurement 9 is above the AccumUpperMin AccumUppHyst 2 There are two heating circuits H1 and H2 and one domestic hot water regulating circuit HW in the 203GT Relay 1 Ge
44. lay no longer changes 52 You are then in the Selection display shown in the adjoining picture Press OK Press the button to move cursor to Clock functions Press OK Control modes Clock functions Language Keel Press the g button to move cursor to the regulating circuit whose time controls you want to access browse add or delete Press OK Browse location for additional programming oma Press the 8 button to browse the clock programs which have been made If you want to make additional programs move cursor to first empty program block y Set the start time for the temp drop program Press OK Ta 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 weekday 0 The day is left unselected press the to delete the selection _Mo uWeThFr Da The selection shown on
45. ly 230 VAC L8 GZ VL EL CL ILL 29 19 09 6S 8G ZS 9G SG VS G ZS LS Zr ly CE LEZ GZ HC EC C7 1S Q Q S 2x15 N a L N Q Q 3x1 5 N f 8 Q ND Q S 2 3x15 S lt a on Ro O n TI gt N Net connection Meas 1 Meas 2 Meas 3 Meas 4 Meas 5 Meas 6 Meas Meas 8 Meas 9 Meas 10 Meas 11 Field apparatus Cabling 203GT heating regulator EIA 232 RX Se ae Z amp gt EIA 232 GND Ae m 8 w EIA 232 TX 20 Saw Tmo 4X0 8 t4 _ S NO TMW or TMS 4X88 q _ L Qw mee tea a 2x0 8 Ss l RAAEN gt P L Oo TMW or TMS gt o x 0 8 T T O L 2x 0 8 D TMW or TMS _ 3 Ll TMW or TMS A28 J D 00 TMW or TMS ES us p z i Ce TMW or TMS _ 2x08 d __ E TMW or TMS 2 x 0 8 fear 8S 8 H 2 x0 8 TMW ortms 20 8 l2 we oes gt lt Dig 1 Dig 2 Dig 3 Alarm contact 24 VAC output Actuator H1 Actuator H2 Actuator HW _ARelay 2 7 Relay 1 Z 41 42 LON 200 LON 200 is an adapter card which changes the 203GT regulators serial communication bus so it is compatible with the LON field bus An installation guide comes with the LON 200 adapter card EH 485 Ouman has an EH 485 bus adapter card available as optional equipment which makes the 203GL serial interface compatible with the RS 485 field bus This offe
46. mperature 33 25 27 Actuator control mode 23 HW overheating alarm 17 Actuator selection 23 HW overheating alarm delay 30 Alarms 17 34 HW temperature setting 8 Alarm labeling 9 17 34 Alarms directed to a GSM 37 38 Anticipation function 9 10 20 Approvals 44 Automatic control 12 Autumn drying 7 Input Output unit 38 42 Installation instructions 40 Language change 15 Limited effect geoth heat 7 24 27 28 LON bus adapter card 35 42 LON initialization 35 36 LON measurements 36 Battery changing 40 Browser using 39 Bus adapter card 36 42 Manual operation 12 18 Maximum limit supply water 6 Measurements 9 10 31 33 Measurements labeling 9 Minimum limit supply water 6 MODBUS adapter card 36 39 42 Modem connection 37 38 Moisture risk 17 Cabling 40 Clock programs 14 Compressor control 24 28 Connection instruction 41 Deviation alarm 17 18 30 Deviation alarm delay 30 Device ID 37 38 Digital inputs 24 34 Name change 9 Net measurements 36 Night drop 6 12 18 34 Nominal temperature 12 18 EH net 39 42 El heating resistor control 24 28 El heating resistor ctrl hyst 24 27 28 Exhaust fan 2 speed 30 34 Outdoor temperature 9 10 36 Field bus 36 Outdoor temperature delay 21 Fire alarm 17 18 34 Floor heating 5 Forced mode 12 18 Fuse changing 40 Freeze protect limit 30 Freezing risk alarm 17 Full effect geothermal heat 7 24 26 PID regulation 20 Preheating for air conditioning 5
47. n assumption into digital input 2 and Alarm Dig 1 3 as an assumption into digital inputs 1 and 3 11 Measurements are not read from the net 12 Erases the telephone number and restores the factory settings to the modem settings ONDOARWND Original factory settings can be restored with the regulator in the following manner Directions for entering the maintenance mode are on page 19 Dil selection Dig2 selection Dig3 selection LON initializ Net measurement TextMessageSett ORIGINAL FACTORY SETTINGS Press the g button to move the cursor to Special mainten Press OK The cursor is at Rstore settings Press OK Restore original factory settings Press the 8 button to move the cursor to Yes Press OK Characteristic heating curve User level settings Factory setting Start function Room temperature 21 5 C Temperature drop supply water 0 C Min allowed supply water 15 C Max allowed supply water 45 C Room compensation ratio poms 20 0 20 C Wind compensation ratio cc fF Sun compensation ratio 0 C eHW Regulator Pre increase 0 C HW not in use Autumn drying 1 C Tuning values Valve close 20 C I 0 20 C 20 Operating mode QO Domestic hot water Geothermal heating settings Minimum temp of accumulator s upper part Hysteresis of accumulator s upper part Additional hysteresis for electrical heating resistor 10 C control Minimum temp
48. ng the maintenance mode are on page 19 Digl selection Dig2 selection Dig3 selection bp LON initializ Wy Net measurement Eq Datajamak 2x 2 1 x0 24 2 Eg LONAK 2x1 3 mm LODE0 LODE0 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 203GT LON 200 into the facility s LON net 35 203GT 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 Directions for entering the mode maintenance mode are on page 19 Press the 8 button to move the cursor to Net measurement Press OK Digl selection Dig2 selection Dig3 selection LON initializ gt Net measurement TextMessageSett Browsing the net measurements By using the e button to browse you can see which measurements can be read from the net e Sun measurem Watr consm m3 Setting net measurements Move the cursor to the measurement you want and press OK If you want to sele
49. ns for entering the maintenance mode are on page 21 eas setting Digl selection Dig2 selection Dig3 selection text message to about an alarm in the event of an alarm LON initaliz At first the alarm message is only sent to GSM number 1 If the alarm Re Soe eee omer is not acknowledged from this number after five minutes the regulator PSS eee a ne sends a new alarm to both GSM numbers 1 and 2 Press the S button to move the cursor to Change Press OK O blinks e 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 Installing the device ID When an RS 485 field bus is used for text message connections the regulators are identified using a device 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 f
50. ntroller switches on the heating resistor Sensor fault alarms Risk of freezing alarm Deviation alarm HW overheating alarm EXTERNAL ALARMS Measurements 6 and 11 as alarms s CONNECTING THE ALARM RELAY ALARM ACKNOWLEDGEMENT 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 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 30 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 30 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 21 Measurements 6 and 11 can also
51. ommand is given when the temperature of the accumulator s lower temperature _ part meas 10 drops below the AccumLowerMin setting AccumLowerMin The compressor stops running when the temperature of the accumulator s upper part meas 9 rises above the AccumUpperMin AccumUppHyst 2 temperature and the temperature of the accumulator s lower part meas 10 rises above the controller indicated H1 supply water temp 5 C and the temperature of the accumulator s lower part meas 10 rises above the AccumLowerMin AccumLowHyst temperature Additional 10 C 2 10 C The electrical heating resistor switches on if hysteresis for 1 Compressor control has been on for an hour and the temperature of the electrical heating accumulator s lower part has not risen a degree or the compressor alarm resistor control is active and an attempt has been made to restart the compressor after a ElHeatUppHyst delay time of 5 minutes 2 The temperature of the compressor s upper part is below AccumUpperMin AccumUppHyst 2 ElHeatUppHyst or the temperature of the accumulator s upper part meas 9 is below the controller indicated H1 supply water temp El HeatUppHyst This calculation takes into account that the temperature of the controller indicated H1 supply water temperature is a maximum of 50 C The electrical heating resistor switches off when the temperature of the accumulator s up
52. 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 37 38 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 or the regulator s operating mode 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 Settings Write the setting in place of the previous setting H1 Operat mode Put a 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 10Vcontrolled actuators Attention When using electric manual control special caution has to be taken because of danger of freezin
53. ons Press the button to browse operating modes The character indicates which operating mode has been selected eae Changing operating mode P aaa Move the cursor to the operating mode that you want Press OK 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 Doe 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 Additional information about operating modes in heating regulating circuits H1 and H2 Automatic control Nominal operat mode Reduced operat mode Stand by The valve can also be connected so that 100 is closed Operating modes in domestic hot water regulating circuit HW Press the button to move to the HW circuit Ss lt C 1 in or a S r Supply water 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 l
54. op to 85 C before the electrical heating resistor can switch on 2 Limited effect geothermal he tine Measurement 4 If the controller has given the compressor a running permit but measurements does not receive running information a CompressorRun deviation alarm is given and the controller deletes the compressor s running permit The compressor tries to restart after 5 minutes and after that at 60 minute intervals if the electrical heating resistor is not on If the compressor starts up it has to remain running for at least 2 minutes so the compressor alarm is deleted An alarm can be caused by the overcurrent protection of the overpressure pressostat compressor or geothermal heating pump acknowledged by the electricity distribution cabinets or the low pressure pressostate acknowledged by the pressostat Measurement 9 the temp of the accumulator s upper part exceeds 95 C an Overheat alarm is given the alarm disappears when the temperature drops below 85 C Note With partial effect geothermal heating the electrical heating resistor can be switched on when the compressor is running An example of automatic control Geothermal heating unit control using factory settings The outdoor temperature at the time of inspection is 20 C and the controller indicated supply water temperature is 21 C je 60 Upper part setting AccumUppHyst 2 58 4 SaNa a a a a S d a a pF Uppp
55. or Ouman Fargo modem initialization LED indicator light Modem mode instructions LED is not on The modem is not on Connect the modem to the network device LED is on 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 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 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 modem initialization 38 The 203GT regulator can be connected directly to a computer DATAJAMAK cable is used to make the connection Attention If there are interferences in data transfer try connecting the cable cover to the D 25 connnection pin no 1 protective GND 203GT EIA 232 3 max 25m Connection guide Connecting the regulator directly
56. othermal heating unit s electrical heating resistor control When relay is inactive the electrical heating resistor is switched on strip connector 73 74 is closed electrical heating resistor Actuator 1 Relay 2 geothermal heating unit s compressor control When the relay is compressor active the compressor is switched on strip connector71 72 is closed Measurement 1 Outdoor temperature Measurement 2 H1 Supply water temperature Measurement 4 Compressor s running information Measurement 9 Accumulator upper part temperatur Measurement 10 Accumulator lower part temperatur Measurement 11 Hot gas temperature _ Settings Factory settings Range _ Expilantion O B AccumUpperMin 55 C 5 80 C Minimum temperature of accumulator s upper part AccumUppHyst 6 C 3 10 C Temperature control hysteresis of accumulator s upper part ElHeatUppHyst 2 C 2 10 C Additional hysteresis for electrical heating resistor control AccumLowerMin 45 C 30 55 C Minimum temperature of accumulator s lower part AccumLowHyst 6 C 3 10 C Temperature control hysteresis of accumulator s lower part AccumUppComp 5 C 0 10 C Outdoor compensation of the accumulator s upper part when the outdoor temperature drops to 20 C or below Calculated setting Outdoor compensation Compensation grows linearly so that it is O at an outdoor temp of 20 C and reaches
57. per part meas 9 is above the AccumUpperMin AccumUppHyst 2 temperature and the temp of the accumulator s upper part is above the controller indicated H1 supply water temp or the temperature of the accumulator s upper part is above 55 C Partial effect geothermal heating see also p 27 28 AccumUpperMin 55 C 5 80 C The same as full effect geothermal heating except that with partial effect geothermal heating the controller uses a calculated temperature for the accumulator s upper part outdoor compensation in place of the AccumUpperMin setting Additional information about outdoor compensated Upper part setting on p 27 AccumLowerMin 45 C 30 55 C The same as full effect geothermal heating El deatUppHyst 2 C 2 10 C The same as full effect geothermal heating except that in partial effect geothermal heating the electrical heating resistor and compressor can be on at the same time The electrical heating resistor switches on without an hour s delay when the conditions for electrical heating control have been met Domestic hot water regulating circuit Domestic hot water temperature setting DomHot wat 55 0 C 9 0 95 0 C Because of danger of bacteria it is recommended that the domestic hot water temperature is notsetbelow 55 C KEYWORDS H1 Settings H2 Settings DHW Settings The regulator can be connected to 14 different measurement data at the same time 1
58. perature of the controller s upper part is above the controller indicated H1 supply water temp The hour delay for electrical heating resistor start up is reactivated when measurement 4 receives running information from the compressor Electrical heating resistor control always stops if the temperature of measurement 9 rises above 95 C the temp must drop to 85 C before the electrical heating element can start up 25 The Electric heat alarm goes off when the electrical heating resistor switches on 10s delay Measurement 4 If the controller has given the compressor a running permit but measurements does not receive running information a CompressorRun deviation alarm is given and the controller deletes the compressor s running permit The compressor tries to restart after 5 minutes and after that at 60 minute intervals if the electrical heating resistor is not on If the compressor starts up it has to remain running for at least 2 minutes so the compressor alarm is deleted An alarm can be caused by the overcurrent protection of the overpressure pressostat compressor or geothermal heating pump acknowledged by the electricity distribution cabinets or the low pressure pressostate acknowledged by the pressostat Measurement 9 the temp of the accumulator s upper part exceeds 95 C an Overheat alarm is given the alarm disappears when the temperature drops below 85 C Attention The compressor and the heating
59. rcuits H1 and H2 and one domestic hot water regulating circuit HW in the203GT Relay 1 Geothermal heating unit s electrical heating resistor control When relay is inactive the electrical heating resistor is switched on strip connector 73 74 is closed Relay 2 geothermal heating unit s compressor control When the relay is active the compressor is switched on strip connector 1 72 is closed electrical heating resistor Actuator 1 O B compressor Measurement 4 Compressor s running information Measurement 1 Outdoor temperature Measurement 2 H1 Supply water temperature Measurement 9 Accumulator upper part temperatur Measurement 10 Accumulator lower part temperatur Measurement 11 Hot gas temperature _ Settings Factory settings Range _Explantion AccumUpperMin 55 C 5 55 C Temperature control setting for the accumulator s upper part AccumUpperHys 6 C 3 10 C Temperature control hysteresis for the accumulator s upper part ElHeatUppHyst 10 C 2 10 C Additional hysteresis for electrical heating resistor control AccumLowerMin 45 C 30 55 C Minimum temperature for the accumulator s lower part AccumLowerHys 6 C 3 10 C Temperature control hysteresis for the accumulator s lower part Calculated setting Maximum limit for the lower part The maximum limit varies from 53 C to 55 C When the outdoor temperature is above 1
60. rd 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 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 When you have changed the PIN install the SIM card back in the modem Selecting the modem type 203GT is compatible with Falcom A2D Nokia 30 Siemens M20T Fargo Maestro 20 and 100 Lite and Ouman modems Guide for Ouman Fargo modem connection and initialization LED indicator light Modem mode instructions LED is not on The modem is not on Connect the modem to the network device LED is on The power is on but the modem is not ready to use Inspect the following 1 203GT 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 text message you have sent to see that the device ID and keyword have been written correctly Also check that the 203GT controller has the opera
61. receive an alarm Alarms can be labelled using the text editor according to their cause Alarms can be transferred to e g A GSM phone as text messages Pulse information can be read e g from a district 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 8 button to move the cursor to indicate which information has been connected to the Dig channel in question Press OK The 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 the alarm e g wastewatertank see p 9 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 37 38 Pulse information from the facility s water meter Press OK Set the number of liters equivalent to one pulse and press OK The facility s water consumption Water m3 can be seen on the regulator s measurements display Explanation Alarm Dig1 3 Alarm switch information When the switch is closed an alarm goes off Exhaust 2pwr Exhaust fan 2 speed information When the switch is closed the exhaust fan is at 2 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 30 2 ex
62. 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 Press the 8 button to move cursor to Start function Press OK The regulator detects the sensors that are attached to it and shows possible regulating modes The regulator s factory setting is a basic regulator Browsing Press the button to browse the possible regulator types in each regulating circuit Exit with ESC The character indicates which regulator types have 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 from the keyboard GSM phone or control room self learning starts from the beginning The room sensor TMR has to be in use in order for self
63. resistor cannot be on at the same time An example of automatic control Geothermal heating unit control using factory settings The outdoor temperature at the time of inspection is 20 C and the controller indicated supply water temperature is 21 C pe 60 AccumUpperMin AccumUppHyst 2 58 a am m a o a po a k at l a a a a aa a G a aaa i AccumUpperMin 55 J Max limit of the accumulator s lower part 53 EE Hes AccumUpperMin AccumUppHyst 2 52 Qe awn we eee Ganeee AccumLowerMin AccumLowhyst 51 ae mea SS e aaa tS a amp to AccumLowerMin 45 E E E EAR AccumUpperMin AccumUppHyst 2 42 fy ener Zannah i ma eee Cee ElHeatUppHyst CEELI aaa ae aa eee Cherry a g A eo vsce ra eeneeeee The controller indicated temp 26 weak icaeneceee E AERE EA one ddeeeaceeeseecaae ci aeeane of H1 supply water 5 The controller indicated temp 21 P se PaE eabocueusas enc a akedueusacesuan Sieh ria of H1 supply water 1 The controller indicated temp of H1 204 3 aeons end een apes ee sees ses sce aaa aaa supply water 5 AccumLowHyst The controller indicated temp of H1 44 tf Oe EAE E ESEE AEE ee ee TS E EE E E E e e eo supply water ElHeatUppHyst i Ti E gt lt 3 ime 1 z F z cS gt 1Compressor is Compressor is Compressor is switched on switchedion sw
64. rs the choice of economically connecting the 203GT regulators to the GSM phone MODBUS 200 MODBUS 200 is a bus adapter card which makes the EH 203 GT serial interface compatible with the MODBUS RTU field bus The physical interface to the field bus is galvanically isolated RS 485 network GSM modem When a GSM modem is connected to the regulator a GSM telephone can be used to communicate with the regulator via text messages 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 Ouman RS 485 bus by directing traffic in the net EH net 203GT can be remotely used browser based in the Ethernet network using an EH net server The 203GT controller must have a Modbus 200 adapter card to enable an EH net connection PAN 200 With the help of panel installation kit PAN 200 the regulator 203GT is easy to install for example to the control cabin The size of the installation hole is 222 mm x 138 mm Accum lower part min limit 7 24 28 Heating curve setting 4 5 Accum lower part temp hyst 24 28 Heating resistor control 24 28 Accum temperature 24 28 Heating resistor s hysteresis24 27 28 Accum upper part min temp 7 24 28 Home away switch 34 6 Accum upper part temp hyst 24 28 Hot gas te
65. s This prevents the GSM from becoming disconnected in the event of a power failure 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 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 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 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 using the GSM to communicate with the regulator Move the cursor to In use Press OK 0 blinks 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 move forwa
66. se 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 below turn the keyboard display unit Cabling from above standard factory delivery lt _Installation bracket Mounting guide Screw the regulator to the wall using the installation 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 Modem connection N Ye gt F Modem Br Q connecting W cable j O D umper Q e z A If the modem is connected to the Q RS 485 bus see Connection in the instructions that come with the RS 485 card
67. the display is taken into use with the OK button Make your selection for each day and press OK 00 00 Drop OFF There is always one program block inside the brackets drop on and off TERR R The cursor moves to the beginning of the next program block new brackets etc 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 DELETING THE PROGRAM BLOCK You can delete the program block inside the brackets by deleting the weekdays in that program block with the button 14 The 203GT regulator is in two languages The regulator has the most commonly used languages Finnish Swedish or English Eesti The language of the regulator can be changed in the following manner OPERATING INSTRUCTION Automatic Press ESC until the display no longer changes ee You are then in the Selection display shown in the adjoining picture Press the 3 button to move cursor to Language Keel Press OK o water te Operat modes Clock functions gt Language Keel Type info Start function Mainten mode Press the g button to move the cursor to the language you want to use Press OK Type information indicates which regulator is in question and which program version is in use There are two heating circuits and one domestic hot water regulating circuit in th
68. time H1 H2 50s 5 300 s The deviation in the supply water l time HW 18s 5 300 s temperature from the set value is corrected by P amount in time D time H1 H2 0 0s 0 0 10 0S Regulation reaction speed up in the event Beware of constant waver D time HW 0 0s 0 0 10 0s ofa temperature change Anticipate HW 100 C 50 250 C Uses anticipate sensor measurement Increase the anticipate information to speed up regulation when value to decrease reaction HW consumption changes to changes in consumption Quick run HW 5 0 100 Functions during consumption changes Decrease this value to decrease reaction to quick temperature changes The original factory settings may vary from the above Shorten the time to approx 12 seconds in the HW 3 way mixer 20 203GT has three types of settings a user level settings which the user can adjust p 6 8 b maintenance mode settings which the maintenance person may have to adjust c special maintenance mode settings which seldom have to be adjusted p 30 Directions for entering the maintenance mode are on page 19 The original factory settings are restored in special maintenance p 29 Press the e button to move the cursor to Settings Press OK 1 Press the e 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 A button to move to the HW regulating circuit Press the e
69. tor s message centre number of the GSM connection you have in use The factory setting is a Saunalahti connection 37 TEXT MESSAGE SETTINGS nt An example of net connection 203GT Modem That which is presented on this page is in effect when a modem has not a VDC been directly connected to the controller Communication occurs through the m 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 203GT 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 has to be written in front of the key word when communicating with the controller connection wire Master device e I O master I e gee Tow I i Ge GSM modem Press the 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 EH 60 EH 686 Directio
70. upply water temperature 6 C 4x1 5 C 6 C An appropriate room compensation ratio for floor heating is usually between 1 5 2 0 C A house cools down in windy weather In that case the wind compensation raises the supply water temperature The reading indicates the maximum amount that the wind compensation can raise the supply water temperature 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 maintenance mode p 21 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 for a period 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 ina 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 is 1 C Valve closed
71. wed supply water temperature z Set the minimum limit for floor heating circuit 35 tiled floors between 20 25 C to ensure a a comfortable temperature and removal of Minimum limit 20 0 20 C moisture in the summer 45 C 15 125 C Maximum allowed supply water temperature The maximum limit prevents the temperature Maximum limit in the heating circuit from rising too high e preventing damage to pipes and surface r materials If e g the characteristic heating curve setting is incorrect the maximum limit prevents excessively hot water from entering the network Set the upper limit for floor heating between 35 40 C 20 0 20 C Room compens AN Wind compens 0 C 0 7 C Sun compens 0 C 0 7 C Pre increase Nominal temperature Autumn dry Average temp In a 24 hour Outdoor temp OG 025 C oN Pre increase time A mainten person set Room temp 2 015 C A time period of at least 20 days Valve close Average 24 hours temp curve Time day 123 45 67891011121314151617 1819 20 Autumn drying function on 20 C 5 50 C 1 5 C 0 0 7 0 C Room compensation ratio If the room temperature is different than what it is set at the room compensation corrects the supply water temperature Eg If the room compensation is 4 and the room temperature has risen 1 5 C above the setting the regulator drops the s

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