TECH ST-21 Manual Download | Manualshive

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Summary of Contents for ST-21

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Page 2: ...e 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 21 controller has been tested for...

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 mea...

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Page 5: ...uipped with a system preventing too long lack of operation of the central heating pump the so called anti stop Approximately every 10 days the pump is activated for 1 minute Additionally time is saved...

Page 6: ...utton is used to activate the pump and MINUS button is used to deactivate pump In this function it can be verified whether the activated pump is efficient 2 Hysteresis This option is used to set hyste...

Page 7: ...function of pump or of thermostat After selecting MENU button the user makes selection of operation mode of the device 0 operation as pump controlled device is used activated after achieving the set t...

Page 8: ...ld of activation within 0 70 C Method of installation Installation should be made by a person having appropriate electrical license The sensor should be fixed on the outlet from the boiler with the us...

Page 9: ...Range of temperature measurement O C 0 90 6 Measurement error O C 1 7 Range of temperature settings O C 5 90 8 9 Temperature strength of the sensor Sensor duct length O C m 25 90 1 5 The controller is...

Page 10: ...we have been entered into a register kept by the Inspection For Environmental Protection The crossed out bin symbol on a product means that the product may not be disposed of to household waste conta...

Page 11: ...D DO NOT REMOVE THE INSULATION FROM THE THERMAL RELAY REMOVING THE INSULATION MAY LEAD TO IMPROPER FUNCTIONING OF THE CONTROLLER All operations in connection with adjustment and regulation of controll...

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