TECH ST-431, User Manual

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Page 2: ...compliant with 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 S...

Page 3: ...from the mains before working on the power supply cable connections device installation etc All connection works must only be carried out by qualified electricians Before activating the controller me...

Page 4: ...ST 431 user manual 4...

Page 5: ...water boiler II Principle of operation Description of the control panel The principle of operation of the controller to valve servomotor is based on mixing feed circulating warm water with water retu...

Page 6: ...button Any settings may be changed in a similar manner II a Main page During normal regulator operation graphic display shows the homepage on which the following are displayed Valve type CH Floor By...

Page 7: ...position dangerous see chapter III d for the circulation III c Screen view Using this function appearance of the homepage may be changed between the views of the basic valve the view of the sensors te...

Page 8: ...ption manual operation the user has the possibility of manually opening closing the valve and additional valves if active and switching on or off the pump for the purpose of inspection of the correct...

Page 9: ...e display shows the boiler manufacturer s logo along with software version of the regulator IV Installer menu IV a Summer mode In this mode the regulator closes CO valve so as not to heat house unnece...

Page 10: ...too high return temperature serves to prevent the hazardous growth in boiler temperature The user sets the maximum acceptable return temperature In the case of the hazardous growth in temperature the...

Page 11: ...reset temperature at the moment of achieving the preset temperature at the room regulator room heat up NOTE If in function Room regulator see IV e option Closing is set then function Reduction in room...

Page 12: ...larm If the maximum floor temperature is reached the boiler protection function is deactivated In this case the floor installation protection will have a higher priority IV i Opening direction If afte...

Page 13: ...reaching the temperature preset by the controller the symbol p room regulator heated up will be displayed permanently WEEKLY CONTROL the preset valve temperature depends on the deviations defined for...

Page 14: ...fragile floor installation IV o Valve 1 NOTE Controlling additional valve is possible after purchasing and connecting to the controller control module ST 61 which is not provided in the standard versi...

Page 15: ...pe of the valve CH or floor 7 Weather based control By means of this parameter it is possible to adjust the temperature set for valve 1 for respective values of external temperatures On the basis of a...

Page 16: ...ith primary controller mounted on the boiler If the communication mode is selected as subordinate the valve controller operates as a module and all its settings are made from the boiler controller IV...

Page 17: ...controller XA 20 C XB 10 C XC 0 C XD 10 C YA YB YC YD preset valve temperatures for respective external temperatures XA XB XC XD IV t Weekly control This function is used for programming daily temper...

Page 18: ...ous one specific hours and requested deviations from the temperature preset for business days Monday Friday and on weekend Saturday Sunday should be indicated Example Monday Friday set 300 AM TEMP 100...

Page 19: ...ning 2 Alarm VALVE SENSOR means an incorrect connection or lack of connection of the valve sensor or its damage It is a sensor strategic for valve operation therefore it should be replaced immediately...

Page 20: ...n max 4W Temperature endurance of the sensors 25o C 95o C Ambient temperature 5o C 50o C Load at each outlet 0 5A Fuse insert 1 6A ATTENTION In the case of the lack of flow in the short circulation of...

Page 21: ...tech Schematic diagram 21...

Page 22: ...mp anti stop 9 IV c Boiler sensor 10 IV c 1 Return protection 10 IV c 2 Boiler protection 10 IV c 3 Pump activation 10 IV d Temperature control 11 IV e Reduction in room control 11 IV f Room regulator...

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