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OUMAN EH-201/L

 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 regulation, EH-201/L has

a number of other control and alarm functions

of buildings’ technical systems.

Measurement information can be read, settings

and controls can be checked and adjusted, and

alarms can be received and acknowledged via

a GSM telephone’s text messages.

EH-203 gives its user instructions

on a display.

Types of heating systems:

Radiator heating

Floor heating

Air conditioning

preregulation

Types of heating production:

District heating exchangers

Boiler plants

Accumulators

District heating substations

Locations:

Apartment buildings and row houses

Business premises and office buildings

Private homes and summer cabins

User manual

EH-201/L

Heating
regulator

MODBUS

Summary of Contents for EH-201/L

Page 1: ...ad settings and controls can be checked and adjusted and alarms can be received and acknowledged via a GSM telephone s text messages EH 203 gives its user instructions on a display Types of heating sy...

Page 2: ...n Ouman EH 201 L the regulator is controlled by many different settings By browsing you can see which settings you have in use Browsing and setting changes occur in the following way Changing the heat...

Page 3: ...ction Alarms Entering the maintenance mode Tuning values Settings Trends Actuator selection Relay 1 control selection Relay 2 control selection Restore factory settings Settings Measurement 6 setting...

Page 4: ...20 18 C 0 C 41 H1 Curve 20 58 C 0 41 C 20 C 18 CURVE INTERPRETATION When the outdoor temp is 20 C the supply water is 58 C 0 C the supply water is 41 C 20 C the supply water is 18 C The temperature o...

Page 5: ...e 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 mechanic...

Page 6: ...kes a desired drop in room temperature into account Minimum allowed supply water temperature Maximum allowed supply water temperature Room compensation ratio If the room temperature is different than...

Page 7: ...C C 0 25 C 0 15 C 5 50 C Pre increase Autumn dry Valve close Pre increase time A mainten person set Nominal temperature Reduced temp night drop Supply water C Room temp Spared energy Average temp In a...

Page 8: ...ermal heating the regulator controls the compressor and heating resistor according to the accumulator upper part temperature set by the user The regulator also controls the compressor according to the...

Page 9: ...ress 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...

Page 10: ...as 3 Free measurement information type measure ment which can be relabeled through text editing water temperature in regulating circuit H1 Free measurement name using the text editor Free measurement...

Page 11: ...ay no longer changes You are then in the Selection display shown in the adjoining picture OPERATING INSTRUCTION Press OK Press the button to move cursor to Info water temp Press OK Press the button to...

Page 12: ...ess of the clock program Temperature drops occur according to the clock program Stand by No electricity to actuator Only mechanical manual operation of actuator is possible Manual operation of actuato...

Page 13: ...1 Time program R2 Control Time Date hr min da mo Thursday 09 03 2006 15 45 The cursor is at Time Date Press OK Setting the time happens in the following manner H1 Select Heating curve Settings Measure...

Page 14: ...ed press the to delete the selection The selection shown on the display is taken into use with the button Make your selection for each day and press 19 30 _ _ _ _ _ _ _ 04 30 _ _ _ _ _ _ _ DropOnH1 Dr...

Page 15: ...y The relay s time program is not in use The relay is in a forced ON mode relay is activated The relay is in a forced Off mode relay is inactivated The relay s time program is temporarily replaced by...

Page 16: ...ct Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture OPERATING INSTRUCTION Press the button to move cursor to Language Keel Press OK He...

Page 17: ...n Heating curve Settings Measurements Info water temp Operat modes Clock functions Language Type info Start function Mainten mode H1 Select Heating curve Settings Measurements Info water temp Operat m...

Page 18: ...10 The letter on the heating curve display indicates that self learning is in use Press ESC until the display no longer changes You are then in the Selection display shown in the adjoining picture OPE...

Page 19: ...nt in question CONNECTING THE ALARM RELAY Alarm center 31 32 2 x 0 8 24 VAC 1A ALARM ACKNOWLEDGEMENT Turn the alarm off by pressing any button The display will return to the mode it was in before the...

Page 20: ...o 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...

Page 21: ...code have access to the maintenance mode There are typical tuning values and settings in the which the maintenance person needs in conjunction with installation An ordinary district heating exchanger...

Page 22: ...eaction speed up in the event of a temperature change Range 10 300 C 5 300 s 0 0 10 0 s Factory settings 140 C 5 0 0 0 s s Settings P area I time D time Attention Eg If the supply water temper changes...

Page 23: ...h Factory settings 2 h 0 h Settings OutdoorDelay Pre increase INFORMATION ABOUT MAINTENANCE MODE SETTINGS Directions for entering the maintenance mode are on page 21 23 H1 Settings OutdoorDelay h Pre...

Page 24: ...y water temperature depictor press 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 s...

Page 25: ...choose 230V Actuator for the relay control mode See pages 26 28 H1 3 p time s 0 10V 2 10V 3 p230V s Actuator sel 150 150 VALVE ACTUATOR CONNECTION 25 Open Closed 3 point 24 VAC 0 10V or 2 10V 71 72 7...

Page 26: ...ion The outdoor temperat limit can also be set in special maintenance settings Temperature controlled function The factory setting for measurement 11 in temp controlled functions is 55 C setting range...

Page 27: ...perature is switched off at the GeothHeatAcc setting hysteresis 2 C temperature Before selecting geothermal heating for relay 1 make sure that relay 2 is in a Not in use mode and the geothermal heatin...

Page 28: ...unit control the regulator automatically reserves relay 2 to control the compressor of the geothermal heating unit During the compressor is switched on at the GeothHeatAcc setting hysteresis temperatu...

Page 29: ...0 20 0 20 C H1 Curve 0 41 C 20 58 C 20 18 C Start function 2 h 0 h Maintenance level settings Outdoor temp delay Pre increase Settings Factory setting Relays Operating mode Actuator selection Tuning v...

Page 30: ...ted for the set time Range 0 2 25 95 5 20 10 50 5 20 10 50 1 75 1 75 0 90 0 999 0 1 99 9 0 10 30 20 INFORMATION ABOUT SPECIAL MAINTENANCE SETTINGS Directions for entering the maintenance mode are on p...

Page 31: ...its 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 ma...

Page 32: ...100 x 100 70 If 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 percents Setting the min a...

Page 33: ...22 DH Watr metr set pulse l 0 Connection guide 21 2 x 0 8 Dig 2 Dig 1 Pulse information switch information 22 23 24 2 x 0 8 Pulse information switch information ESC press to return to the previous di...

Page 34: ...ed 71 72 open 71 72 open and 73 74 closed 73 74 open Compressor is switched on Compressor is switched off Compressor is switched off and heating resistor is switched on Heating resistor is switched of...

Page 35: ...T 10A bus adapter which makes it possible to connect the regulator to an LON field bus In this special maintenance mode you can control the Neuron processor s service pin which is on the LON 200 card...

Page 36: ...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 lx Outdr tm...

Page 37: ...that is used to connect modem to the regulator The regulator s strip connector B D space is connected with a jumper wire GSM modem connection is done in start functions The regulator automatically ini...

Page 38: ...ws Special mainten Rstore settings Settings Meas 3 setting Dig1 selection Dig2 selection LON initializ Net measurement Text message Directions for entering the maintenance mode are on page 21 Press th...

Page 39: ...GND 3 7 2 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 The Ouman EH 201 L regulator can be connected directly to a computer DATAJAMAK cable is used to make the connection Attenti...

Page 40: ...stallation by pressing the plastic plugs into the screw holes Switch off the voltage from the regul Press the fuse socket and turn it counter clockwise Change the 160mA 5x20mm glass tube fuse Press an...

Page 41: ...M1 24 VAC Open Closed L L N N L A C D 2 TMO TMW or TMS 2 x 0 8 T2 3 4 TMR 2 x 0 8 T3 TMW or TMS 2 x 0 8 T4 9 10 TMW or TMS 2 x 0 8 T9 TMW or TMS 2 x 0 8 T10 11 21 TMW or TMS 2 x 0 8 T11 2 x 0 8 22 24...

Page 42: ...etwork 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...

Page 43: ...36 Manual operation 12 20 Maximum limit supply water 6 Measurements 9 10 20 31 32 36 Measurements labeling 9 Minimum limit supply water 6 MODBUS adapter card 36 39 42 Modem connection 37 38 Moisture r...

Page 44: ...0 10 V or 2 10 V Actuator s output power max 19 VA Supply water regulation according to the outdoor temperature including the inside temperature measurement room compensation and wind compensation Sup...

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