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Page 2: ...the Regulation by the Ministry of Economy Journal of Laws Dz U 155 Item 1089 of July 21 2007 implementing provisions of the Low Voltage Directive LVD 2006 95 EC of January 16 2007 The ST 408N control...
Page 3: ...Tech 3...
Page 4: ...heating circuit in order to reach and maintain the set temperature Pumps which are connected to each valve circuit help to distribute the water throughout the system A pump should be connected behind...
Page 5: ...hind the valve be approaching the set temperature of the valve III a 2 Activated This option is used to activate valve 1 When the valve is turned off the pump is also inactive After connecting the con...
Page 6: ...off the DHW pump The pump will be enabled again when the temperature drops below the set value minus DHW hysteresis III c 2 Operation modes This function enables the user to switch off the DHW pump if...
Page 7: ...on is used to set the maximum DHW temperature After it has been reached the DHW pump is switched off III c 7 Sensor This function enables the user to choose the sensor which will serve as the DHW sens...
Page 8: ...te continuously until the water boiler temperature drops below the set value minus hysteresis Then the valve pumps are switched off and the DHW pump is switched on III d 2 Parallel pumps In this mode...
Page 9: ...he additional contacts in order to check if the device works properly III f Time Time option enables the user to set the current time and day of the week Setting the time is essential for weekly contr...
Page 10: ...d off The set screen is activated during nighttime after the screen has not been touched for 20 seconds In order to return to the main menu touch the screen III e 3 Night from and Day from In the foll...
Page 11: ...ock When Auto lock is selected a panel used for activating and deactivating the lock appears on the screen In order to set the PIN code which is essential to operate the controller when the lock is ac...
Page 12: ...f the active valves and the water boiler directly from the room regulator without having to go to the boiler room Another asset of the device is that it enables the user to view the history of tempera...
Page 13: ...he set temperature minus hysteresis value e g when the set temperature is 60 C and the hysteresis value is 3 C the device will be switched off when the temperature reaches 60 C and it will return to o...
Page 14: ...o be switched off both sensors must reach the set temperature After the set temperature of buffer up is reached the pump will still operate for the period of time set by the user as the delay time Mor...
Page 15: ...the temperature Additional contact this function enables the user to choose the additional contact the operation of which will be controlled IV c 7 Alarm This function enables the user to decide if th...
Page 16: ...r the valve may be opened minimally to maintain the smallest flow IV d 5 Valve type By means of this setting the user selects the type of controlled valve out of the following CH selected if the user...
Page 17: ...ulator should be connected to the controller in the place labelled Regulator pokojowy 1 2 lub 3 using a two core cable IV d 7 Weather based control For the function of weather control to be active the...
Page 18: ...accuracy of 0 1 C at which a predefined change in the set temperature of the valve will be introduced function available only with TECH room regulator Example setting room temperature difference 0 5...
Page 19: ...age the floor heating installation This setting is used when the valve type is set as floor valve After this temperature is reached the valve closes completely and the user is informed about it by mea...
Page 20: ...ulation of the boiler reaches the appropriate temperature After activating it the user presets the minimum acceptable return temperature IV d 16 Pump activation This option enables the user to select...
Page 21: ...00C so it will be 500C Instead of setting the temperature for particular days mode 2 enables the user to set the temperature for all working days Monday Friday and for the weekend Saturday Sunday Set...
Page 22: ...e deactivated during day and night It is possible the define the time when the controller will operate in day mode and night mode The user sets the hysteresis of valve deactivation temperature for the...
Page 23: ...h boiler system devices on the home computer screen and the operation of each device is presented in the form of animation Apart from the possibility to view the temperature of every sensor the user c...
Page 24: ...e preset maximum or minimum temperature the module automatically sends an SMS message with such information A similar procedure is used in the case of opening or closing of the contact input which may...
Page 25: ...rm C1 4 SENSOR it may mean that 1 no sensor is connected 2 the sensor has been connected incorrectly 3 the sensor is damaged The regulator has a WT 1 6A tube fuse link protecting the network Caution H...
Page 26: ...r from boiling VI Installation Caution The device should be installed by a qualified person During installation the device mustn t be powered make sure the plug is disconnected from the power supply C...
Page 27: ...number assigned by the Main Inspector of Environmental Protection The symbol of a crossed out rubbish bin on a product means that the product must not be thrown out to ordinary waste bins By segregati...
Page 28: ...ST 408N user s manual 28...
