User Manual
Contents
1. 2 10 1 3 0C SET TEMP 2 3 0C OFF TEMP 1 OFF OFF TEMP 2 OFF AFTERRUN 1 2 00 English Set temperature for Zone 1 The temperature at which the ice and snow melting system will become active can be set here The temperature setting can be adjusted from 50 20 C 122 4 F Set the required temperature and press OK Set temperature for Zone 2 The temperature at which the ice and snow melting system will become active can be set here The temperature setting can be adjusted from 50 20 C 122 4 F Set the required temperature and press OK The lowest operating temperature for Zone 1 can be set here Below this tempera ture the system will enter standby mode The adjustment range goes down to 20 C OFF 3 9 OFF no limit To change the minimum cut off tempera ture press OK turn the encoder button to the desired value and confirm with OK The lowest operating temperature for Zone 2 can be set here The adjustment range goes down to 20 C OFF 3 9 F OFF OFF no limit To change the minimum cut off temperature press OK turn the encoder button to the desired value and confirm with OK Afterrun time Zone 1 An afterheat duration of between 0 and 18 hours can be set here The system will continue to provide heat for the specified time after the moisture temperature signal has been eliminated by a heating cycle Use the encoder button to set the required afterrun time and pr2. English If the ALARM button flashes red one of the following errors has occurred This can be displayed under the menu ALARM RETURN TEMP LOW Water temperature on return pipe is too low SUPPLY TEMP HIGH Water temperature on supply pipe is too high RETURN SENSOR Return sensor defective SUPPLY SENSOR Supply sensor defective TEMP SENSOR 1 Temperature sensor in ground or roof sensor 1 defective TEMP SENSOR 2 Temperature sensor in ground or roof sensor 1 defective OUTDOOR SENSOR Outdoor sensor defective SENSOR HEATER Short circuit of heating element in ground or roof sensor FROST PROTECT Active frost protection due to low return temperature waterbased systems only 17 Fig 1 ETOG 55 Installation Fig 2 ETOR 55 Installation CR Dp BR 0978 A31a BR 0978 A12a 2011 Electronics A S 2011 OJ Electronics A S 69 Fig 3 Electric 1 zone with ETOG 55 sensor Fig 4 Electric 1 zone with ETOR 55 ETF BR 0978 A23a 2011 OJ Electronics A S 70 Electric 2 zone with ETOG ETOR ETOG 55 connections ETOG 1 e N3349 m 2010 OJ Electronics A S BR978A05c 31IHM 1 Fig 7 ETOR 55 connections Electric heating cable conn
3. OK The system is now set up and will begin operating fully automatically in accordance with the pre configured standard program see FACTORY SETTINGS Alternative settings can also be made see SETTINGS ZONE 1 HEAT OFF i SONES HEAT OFF Status and afterheat data for zones 1 and 2 are now shown on the display AFTERRUN 1 0 00 AFTERRUN2 0 00 jSTANDBY OFF English OPERATION ETO2 is equipped with an easily operated encoder button turn and press and a display which describes the current situation The display is backlit and is illuminated by pressing the encoder button OK The illumination is automatically switched off after 30 seconds Press the encoder button and the main menu will be shown on the display Turn the button to scroll through the options Not all the options are shown on the display at once but they can be accessed by turning the encoder button Press OK to select a highlighted option MAIN MENU ZONE 2 OFF SENSOR 1 C SENSOR 2 C MOIST 1 NO MOIST 2 NO OUT TEMP C SUPPLY W C RETURN W C ALARM NO SHOW INFO SETUP RESTART EXIT 6 English DISPLAY TEXTS EINEN Heating zone 1 active ON or inactive OFF Heating zone 2 active ON or inactive OFF Sensor 1 heated sensor core temperature Applies only when ETOG sensor is connected NOTE Not ambient temperature Sensor 2 heated sensor core temperature Applies only when ETOG sensor
4. is connected NOTE Not ambient temperature Sensor 1 moisture status YES NO Blank Blank will be shown if temperature is above Set Temp or the system is in Afterrun mode Sensor 2 moisture status YES NO Blank Blank will be shown if temperature is above Set Temp or the system is in Afterrun mode Ambient outdoor temperature Applies only when ETF sensor is connected Supply water temperature only waterbased application Return water temperature only waterbased application English ALARM DER Fault message fault type will be displayed Red LED on front of unit will flash APPLICATION INFO Application type electric or water based heating 1 0 Software version ENSOR 1 ETOG Sensor type sensor 1 A m g H gt Kk 2 gt ENSOR 2 Sensor type sensor 2 ISENSOR ETF OFF ETF sensor connected EXIT Return to main menu English SETTINGS Please note that incorrect sensor setup may lead to poor or lacking ice and snow melting Press OK and a submenu will be shown on the display Select the parameter to be set and press OK SETUP Manual start of forced heat Press OK and select ON to start Forced heat ETO2 controller will heat in the pre programmed afterrun time see AFTERRUN 1 2 Whether temperature is to be displayed in Celsius or Fahrenheit F can be selected here Select the required scale and press OK Press OK to return to the SETUP menu
5. is the case the system fully activates to increase the return water temperature to the required level English STARTUP KZ SCALE When 2 is switched on for the first time Celsius or Fahrenheit must be selected Turn the encoder button until the required temperature scale is highlighted Then OK FAHRENHEIT the selection by pressing the encoder button SENSOR 1 SENSOR 1 is shown on the display allowing the type of sensor connected for input 1 to be selected ETOG Ground sensor ETOR Gutter sensor outdoor sensor Then OK the selection by pressing the encoder button SENSORE SENSOR 2 is then shown on the display allowing the type of sensor connected for input 2 to be selected If none sensor is connected for input 2 OFF must be selected ETOG ETOR AB English OUTDOORISENSOR Select if outdoor sensor ETF is connected terminals 31 32 CO l sensor ETF is connected OFF must be selected Press encoder button for OK ETF APPLICATION Select the application type by turning the encoder button and pressing OK ELECTRIC 1 ZONE 1 zone electric heating control simple waterbased ELECTRIC 2 ZONE 2 zones individual electrical heating control simple waterbased ELECTRIC 2 STEP ELECTRIC 2 STEP Advanced 2 stage electric heating control Y A for 1 zone WATEHIBASED WATERBASED 1 zone waterbased heating control with supply water control Select the appropriate option and press
6. sensor 2 2010 OJ Electronics A S Fig 13 Hydronic mixing valve connection Fig 14 Hydronic pump connection 24V POWER SUPPLY vn 24V SUPPLY BR 0978 A20a 2011 OJ Electronics A S RELAY 2 L1 3 L2 N NT D D SECONDARY L1 L2 N BR 0978 A29a 2011 OJ Electronics A S 75 Fig 15 Connection of Stand by amp forced heat FORCED CONTROL HEAT BR 0978 A21a 2011 OJ Electronics A S 76 Pa tz ETF NOSN3S HOSN3S 5 s91u028I3 11029 8260 48 REMOTE FORCE CONTROL HEAT REMOTE STAND BY ETF OUTDOOR TEMP SENSOR WATER RETURN TEMP SENSOR WATER SUPPLY TEMP SENSOR EXT SUPPLY MIXING VALVE mmm oag EXT SUPPLY 24VAC FOR MIXING VALVE 3 MIXING VALVE 24 1 888 MIXING VALVE 0 10V ETOR ETOG 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 1 WHITE MOISTURE SENSOR 2 4 YELLOW TEMP SENSOR 2 MOISTURE SENSOR 1 TEMP SENSOR 1 HEATING 142 12 13 11 Fig 16 _ _ 2 CONTROLLER www oj dk 4 ZONE2 ZONE 1 77 ETO2 78 52 Federal Road Unit Danbury CT 06810 USA T 1 888 927 6333 F 1 888 927 4721 warm
7. MANUAL 92011 Warmup Inc GREEN COMFORT Maximum comfort with low energy consumption The world s best selling electric floor heating brand English English CONTENTS 058 s e Rok SE obras usati Ue RR Dm nce e Page 2 Introduction mob mom due GR Page 3 Startup Seien sue AD tee ee ok Page 4 Op rations ia e dr ios erte Bde e it ne s Page 6 Main Men zou x ae RR Ron RON ON KON UR SOR e crm WU c e Page 6 DiSplay textS c ooh see ok b eed Red ORO aot ub Bl de Page 7 Application info mm em de C mod Page 8 Non EC Er Page 9 Offset calibration Page 13 Factory Seting Sase sb D sn rece dee TR TURON Sieh Page 14 Troubleshooting sora aoe doa ca m kom mo do kon ko mou ec cR dee Rok Page 15 MlustratiOns see n x Roms hoe once aros eo Page 69 GLOSSARY Zone 1 2 Independent heating zones in which ice and snow can be melted Encoder button Button which can be turned or pressed to easily configure the settings ETOG 55 Ground sensor for detecting moisture and temperatur
8. e ETOR 55 Gutter sensor for detecting moisture ETF 744 99 Outdoor sensor for detecting temperature Y A Advanced 2 stage control of electric heating systems Afterrun The heat provided by the system for a specified length of time after the moisture temperature signal has been eliminated by a heating cycle English INTRODUCTION Type ETO2 is an electronic controller for fully automatic economical ice and snow melting on outdoor areas and in gutters Ice forms due to a combination of low temperature and moisture ETO2 detects both temperature and moisture and the heating system will only be activated if a possibility of snow or ice is indicated by both parameters An easily operated encoder button and backlit graphic display ensure quick and easy configuration and simple indication of temperature status etc 2 is suitable for controlling electric heating cables in 1 or 2 zones It also features advanced two stage output control for economic operation In hydronic mode the supply sensor maintains the required supply water temperature while the system is active When heat is demanded the circulation pump is activated and the valve is opened 2096 for 1 minute to let the system stabilise The main pump is then activated When there is no need for melting the system activates the circulation pump for 1 minute every 15 minutes to check whether the return water temperature has dropped below the required idle temp If this
9. e sensor has acquired the same temperature as the ground 3 Measure the real ground sensor temperature and compare it with the temperature shown on the 2 display 4 Program the offset for the sensor concerned to match the difference between the two temperatures displayed real Adjust the necessary offset using the encoder button Press OK 5 Reconnect the sensor to terminals 11 and 12 of the ETO2 NOTE With ETOG 55 sensor the temperature shown on the 2 display is always the core temperature of the sensor 18 English FACTORY SETTINGS SETUP FACTORY SETTINGS OWN SETTINGS Application Electric Zone 1 ETOG Zone 2 OFF Select scale Celsius Afterrun time Zone 1 2 00 hours Afterrun time Zone 2 2 00 hours Temp offset Zone 1 0 0 C 0 09 Temp offset Zone 2 0 0 C 0 09 Temp offset ETF 0 0 C 0 09 Temperature setpoint Zones 1 2 3 0C 37 4 OFF temperature Zones 1 2 OFF Sensor heating Zones 1 2 AUTO Moisture control Zones 1 2 ON Sensitivity Zones 1 2 NORM Min water temperature 5 C 41 F Max water temperature 14 55 131 English TROUBLESHOOTING By errors in the snow melting system it is recommendable to check the setup of the ETO2 Activate the menu by pressing the adjustment knob press SHOW INFO and readout the programmed application By errors in the setup activate REINSTALL with factory code 1202 Check that all connect
10. ections GREY x DO NOT CONNECT 3 GREEN BR 0978 A06c 2010 OJ Electronics A S DO NOT CONNECT 4 YELLOW 1 WHITE 4 YELLOW ETO2 RELAY 1 RELAY 2 RELAY 3 3 4 5 6 7 8 DID L1 L2 N L1 L1 L2 N L2 N BR 0978 A30a 2011 Electronics A S 72 Fig 9 Advanced 2 step with ETOG 55 1 3 power on heating cables in afterrun Fig 10 Advanced 2 step connections 1 3 power on heating cables in afterrun ETO2 L1 L2 L3 4 0978 28 2011 Electronics A S L1 L2 L3 MAIN SUPPLY A J 2010 OJ Electronics A S BR978A04a HEATING WIRE SUPPLY SUPPLY 73 Fig 12 Hydronic simple application Optional air sensor ETEN Hot water ETOG Ground sensor 1 Fig 11 Hydronic heating with mixing valve Eu gt Optional um air sensor O 1 Bpa 8 210 212 eet Supply sensor E D Hot water _ Optional 3 way Circulation Main Pump valve Pump ETOG Ground sensor E BR 0978 C01a 2010 OJ Electronics A S Return sensor 74 BR 0978 C02a Pump Zone2 Ground
11. ess OK English OFFSET 1 AFTERRUN 2 2 00 0 0C OFFSET T2 0 0C OFFSET OUT 0 0C MIN WATER 5 0C WATER 55 0C Afterrun time Zone 2 An afterheat duration of between 0 and 18 hours can be set here Use the encoder button to set the required afterrun time and press OK Zone 1 temperature can be calibrated here With ETOG 55 sensor the temperature shown on the 2 display is always the core temperature of the sensor For calibration please see page 13 Zone 2 temperature can be calibrated here With ETOG 55 sensor the temperature shown on the 2 display is always the core temperature of the sensor For calibration please see page 13 Outdoor temperature can be calibrated here The temperature recorded by the ETF outdoor sensor can be adjusted so that the exact temperature is displayed on ETO2 Measure the temperature beside the sensor using a thermometer Adjust the necessary offset using the encoder button Press OK The minimum return water temperature can be set here Set the required minimum temperature and press OK This menu option is only available when water based heating is used The maximum supply water temperature can be set here Set the required maximum temperature and press OK This menu option is only available when water based heating is used 11 English In auto mode sensor heating is switched off during periods when snow melting is active In special options or extreme cold wea
12. ions are placed correctly and that cables are fastened in the clamps For more information on FAQ see our website www ojelectronics com support FAQ Snowmelting Ice snow does not melt Does the display show HEAT ON in zone 1 2 YES o Wait 1 2 hours o Check under the snow if the snow is beginning to melt the system is OK o Check heating cables for defects bad connections incorrect connections Itis too cold for snow melting power m2 or undersized heating cables water heating system 15 English Does the display show HEAT ON in zone 1 2 NO o The temperature is higher than SET TEMP Adjust SET TEMP to higher temperature o The snow around the ground sensor is melting drifting snow has exposed the sensor AFTERRUN time must be increased Alternatively FORCED HEAT can be activated Igloo effect around the sensor The ground sensor has melted an insulated hollow under the snow Activate FORCED HEAT or alternatively set MOIST SENSOR to OFF o The temperature is lower than the OFF TEMP setting Depending on dimensioning the system has a lower temperature limit at which the system can melt the snow Try melting the snow with FORCE HEAT before OFF TEMP is changed The heat does not shut off after ice snow melting o Afterrun time is too long reduce AFTERRUN time and activate RESTART in the menu o Moisture detection in the ETOG ETOR sensor is turned off set MOIST CTRL to ON in the menu 16
13. ther the sensor heat can be selected on continuously Select ON and press OK The moist control on sensor can be switched off here The termostat will only control snow and ice melting after the set temperature see SET TEMP Select OFF for switching off the moist control and press OK Note that energy consumption costs will rise with lacking moisture control Sensor sensitivity can be adjusted in 5 steps MIN LOW NORM HIGH MAX To change sensitivity press OK turn the encoder button to the desired setting and confirm with OK ETO2 factory settings can be restored here Selecting this option deletes all customised settings Whether setup failure in startup menu or new hardware connection has been RER done The primare setup must be changed in STARTUP menu Select PASSWORD XXXX PASSWORD and turn the encoder button to the factory code 1202 The controller will then return to the startup menu see STARTUP Select this option and press OK to return to the main menu 12 English RESTART When changing the settings or require a new process start the ETO2 can be restarted in this menu Restart operation Keeping your current settings The ETO2 will go to the initial status display OFFSET CALIBRATION If it is necessary to calibrate the temperature measured by the ETOG sensor please follow the steps below 1 Disconnect the sensor from terminals 11 and 12 sensor heating of the ETO2 2 Wait few hours until th
14. up com 4 Robert Speck Parkway Suite 1500 Mississauga ON 142 151 CANADA T 1 888 592 7687 F 1 905 366 7324 warmup ca v 12 11
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