Micro Matic MTC3-1991 User Manual Download | Manualshive

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© 2016 OJ Electronics A/S

MTC3-1991

User Manual

67564 05/16 (JRK)

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Summary of Contents for MTC3-1991

Page 1: ...WWW MICRO MATIC NO 2016 OJ Electronics A S MTC3 1991 User Manual 67564 05 16 JRK ...

Page 2: ...emperature Readout 9 LCD Display Settings 10 ADJ Adjust 11 NSB Night Setback 12 DEF Frost Protection 13 PWM Pulse Width Modulation 14 PLI Power Limit 1 2 15 PLI Power Limit 2 2 16 TIME Time and Event Setting 1 2 17 TIME Time and Event Setting 2 2 18 SW Software Version 19 Done Exiting the Menu 20 Troubleshooting and Additional Information 21 Changing the Front Cover 22 Contact Help and Support 23 ...

Page 3: ...40 C a night setback frost protection and limit temperatures to ensure your comfort and protect your property from excessive temperatures The front cover can be flipped down Behind the front cover on the left side of the front there is an on off switch up on down off On the right side there are three buttons An upper button a centre button and a lower button The centre button is used to access the...

Page 4: ...tual measured temperature Readout Readout LCd SCA C nu diS SP tP C SP AdJ Measured temperature 10 C 0 0 C nSb 2 0 C 8 0 C 5 0 C dEF 5 0 10 0 C 8 0 C Menu Setting Options Factory Setting PWM oFF on AUt Aut oFF diF 0 3 10 0 0 4 AUt CYHi 10 60 CYLo 10 30 30 15 Pli 0 30 min 0 min TiMe ModE oFF 5 2 6 1 7 0 0 7 dAY Non tuE UEd thu Fri SAt Sun hour 0 23 min 0 59 oFF None None None SW None Readout Done Sa...

Page 5: ...ed The setting is a percentage of the full load in increments of 1 Note that Floor Protection is not active when using the thermostat as a regulator AF With this setting the internal room sensor controls the heating system subject to maximum and min imum limits for floor temperature The maximum temperature limit protects wooden floors from excessive heat The minimum temperature limit prevents the ...

Page 6: ...ress the centre button to enter the SENSOR APPLICATION setting Use the upper or lower button to select the application that suits your installation Confirm your choice with the centre button APP Sensor Application 2 2 AE With this setting an optional external room sensor connected to the floor sensor terminals controls the heating system ...

Page 7: ...otect wooden floors from drying out For precise information please ask your floor ing supplier How to execute it Access the menu Scroll through the menu to SCA Press the centre button to enter the Scale settings Use the upper or lower button to set the limit for the highest temperature the thermostat may use as a set point temperature Confirm your choice with the centre button Use the upper or low...

Page 8: ...floor temperature drops below the minimum temperat ure limit the thermostat will activate the heating system to maintain the temperature above the set minimum Note that this feature is only applicable in the sensor application AF How to execute it Access the menu Scroll through the menu to Li Press the centre button to enter the Limit setting Use the upper or lower button to set the limit for the ...

Page 9: ...e if the sensor applica tion is set to C How to execute it Access the menu Scroll through the menu to TP Press the centre button to enter the temperature readout Either the floor sensor temperature the room sensor temperature or both are shown depending on the sensor application setting Use the centre button to jump to the next sensor type and jump to the menu Menu structure TP FLo Actual measured...

Page 10: ...y settings are not applicable if the sensor applica tion is set to C How to execute it Access the menu Scroll through the menu to LCD Press the centre button to enter the temperature scale setting Use the upper or lower button to toggle between the different options Confirm your choice with the centre button Use the upper or lower button to toggle between the different options Confirm your choice ...

Page 11: ...n the floor this temperature would be higher than the ambient temperature Adjust is not applicable if the sensor application is set to C How to execute it You can calibrate the sensor with 10 C in steps of 0 1 C as follows Access the menu Scroll through the menu to ADJ Press the centre button Use the upper or lower button to adjust the sensor to the value by which you want to increase decrease the...

Page 12: ...d the night setback is set in relative values The setpoint specifies in percent the time that the unit is to remain active in a PWM cycle which is usually 20 min Setback degree is specified as a percentage of the setpoint The setpoint multiplied by the setback degree gives the activation degree Example If the setpoint is set to 60 and night setback is set to 25 the activation degree will be 0 60 x...

Page 13: ...n be set to values from 5 10 in increments of 0 5 C If the Application is set to C and Frost protection is selected then frost protection is set in absolute values in percent How to execute it Access the menu Scroll through the menu to DEF Press the centre button to enter the frost protection settings Use the upper or lower button to set the temperature you want to be the setpoint temperature when...

Page 14: ...red during a PWM period This will increase the lifetime of the relay by reducing the number of relay switches but still ensure the comfort of the user by keeping the temperature swings below an acceptable level How to execute it Access the menu Scroll through the menu to PUn Press the centre button to enter the PWM settings Use the upper and lower button to toggle between the different Pulse width...

Page 15: ...ring up of part of a floor might occur then it is important to assess the correct period of time for which the floor heating must be time limited The heating can be limited by using a set number of minutes per hour The thermostat will then divide the given number of minutes per hour up into 3 periods depending on the thermostat s actual PWM cycle Example If obstacles could be present that cover up...

Page 16: ... equation is negative then nothing should be entered The function is factory set to 0 minutes but can be set to values between 0 30 minutes in increments of 1 minute How to execute it Access the menu Scroll through the menu to PLi Press the centre button to enter the Power limit settings Use the upper or lower button to set the number of minutes by which you want the heating to be deactivated per ...

Page 17: ...setback period during both night and daytime and 2 events only using a setback period for the night The different event schedules of the MTC3 have the following definitions OFF Events are disabled and the comfort temperature is maintained 24 7 5 2 Monday Friday with 4 events Saturday Sunday with 2 events 6 1 Monday Saturday with 4 events Sunday with 2 events 7 0 Monday Sunday with 4 events 0 7 Mon...

Page 18: ...u to tiNE Press the centre button to enter the time and event settings Use the upper or lower button to toggle between the different Schedule modes Confirm your choice with the centre button Use the upper or lower button to set the current day Confirm your choice with the centre button Use the upper or lower button to set the current hour Confirm your choice with the centre button Use the upper or...

Page 19: ...s function provides a readout containing the software version number How to execute it Access the menu Scroll through the menu to SU Press the centre button to enter the software readout Press the centre button to exit the readout Menu structure SW Readout ...

Page 20: ...timeout function If no button is pressed for 30 seconds the thermostat will return to the main screen Note the settings are saved when the menu is exited How to execute it When in the menu Scroll through the menu to donE Press the centre button to exit the menu Menu structure donE Return to main screen ...

Page 21: ...econds Keep holding the button even when the menu is entered Note that all user made settings are deleted Troubleshooting and Additional Information Error codes E0 Internal fault Heating is shut off E1 Built in sensor fault The sensor application is changed to C regulator E2 External wired floor sensor or external wired room sensor fault The sensor is either damaged short circuited or disconnected...

Page 22: ...t cover as close as possible to the thermostat Pull the front cover downwards Align the top of the new front cover with the top of the thermostat Press at the bottom of the new front cover applying pressure where the taps are located BR1033A08a 2016 OJ Electronic A S BR1033A09a 2016 OJ Electronic A S BR1033A10a 2016 OJ Electronic A S BR1033A08a BR1033A09a BR1033A10a ...

Page 23: ...ademark is a registered trademark belonging to OJ Electronics A S 2016 OJ Electronics A S MICRO MATIC NORGE AS Postboks 264 Nye Vakåsvei 28 N 1379 Nesbru Tlf 47 66 77 57 50 Faks 47 66 77 57 90 firmapost micro matic no www micro matic no ...

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