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7

Internal Controls

Reset.

Setting the clock.

Setting of operating parameters.

Operating Modes: COOLING   HEATING   or OFF  .
User profile selection.

Window switch or remote control mode selection.

Frost protection temperature setting.

Display of overall system operating time as a function of temperature level.

Содержание TA 450

Страница 1: ...Digital Thermostat Wall Mounting TA 450 Instruction Manual TA450E 24806660 13 03 13...

Страница 2: ...and keep it available for future reference Read Carefully Read the warnings contained herein with care as they furnish important instructions regard ing safe use installation and maintenance After re...

Страница 3: ...ERATURE 13 9 OVERALL SYSTEM OPERATING TIME 13 10 TEMPERATURE CONTROL LEVEL PROGRAMMING COMFORT ECO AND NIGHT 14 11 PROGRAMMING THE FROST PROTECTION TEMPERATURE 15 12 TEMPERATURE MEASUREMENT CALIBRATIO...

Страница 4: ...and intuitive way three different temperature levels COMFORT ECO and NIGHT which together allow for temperature programmability over the range 3 C to 35 C The TA450 is pre programmed with the followin...

Страница 5: ...nderfloor heating electric heaters the temperature differential can be set between 0 C and 0 9 C PI Proportional Integral Control Allows for the optimisation of fuel consumption while enjoying the max...

Страница 6: ...temperature COOLING mode active HEATING mode active Battery Status Indicators Battery charge status When this warning indicator appears on the display it means that there is around 1 month left to re...

Страница 7: ...ng of operating parameters Operating Modes COOLING HEATING or OFF User profile selection Window switch or remote control mode selection Frost protection temperature setting Display of overall system o...

Страница 8: ...be wall mounted as follows Open the unit by pressing button A fig 2 while at the same time pulling in the direc tion of the arrows Remove the terminal block cover fig 3 and fasten the back of the uni...

Страница 9: ...to use the NC connection within the instal lation remove the breakable tab that blocks access to the terminal block Loads U1 boiler circulation pump sole noid valve etc U2 motorised valve NOTE For con...

Страница 10: ...ng way round could damage the unit If nothing appears on the display within 10 seconds press the reset button R fig 60 Close the unit making sure that the hooks are inserted into the slots fig 12 Once...

Страница 11: ...When pressed and held down the numbers on the display will scroll slowly for the first five seconds and then more quickly Press button fig 16 The hour digits flash Press either button or until the co...

Страница 12: ...ELECTION Cycle through the operating modes HEATING COOLING and BYPASS by pressing the button The final selection will be verified by the displaying of either the heating cooling or bypass icons fig 21...

Страница 13: ...MPERATURE At any moment a temporary temperature setting can be manually set A temporary temperature setting can be set by means of the buttons From this moment on the thermostat will control the heati...

Страница 14: ...e word appears on the display signifying COMFORT The required temperature for the COMFORT temperature control level can now be set by means of the or buttons fig 30 the word will disappear from the di...

Страница 15: ...g 34 Press the button to exit and save the new temperature to memory Close the cover 12 TEMPERATURE MEASUREMENT CALIBRATION Make sure that the unit is in OFF mode Press button P fig 35 The word will a...

Страница 16: ...or the button fig 38 to select Press the P button once again fig 39 The current thermal differential value will appear on the display Press button or fig 40 to modify this value as desired During oper...

Страница 17: ...r the button or the button fig 42 to select The proportional inte gral control system is selected Press the P button appears on the display fig 43 Press button or fig 44 so as to select control system...

Страница 18: ...P2 and P3 are fixed programmes whereas programme P4 can be complete ly programmed by the user Programme Cycle duration Minimum ON time Proportional Range System type P1 10 minutes 1 minute 1 5 C Base...

Страница 19: ...es between 1 and 5 minutes Press button P fig 49 appears on the display Press either the button or the button fig 50 to modify the proportional range between 1 and 3 C Press button P to exit programmi...

Страница 20: ...2 Press buttons P and to exit program ming Note After five seconds the display will auto matically exit programming mode Close the cover 16 REMOTE CONTROL In order to enable remote control operation O...

Страница 21: ...ons or fig 57 select to disable the remote control input Press button fig 58 Using buttons or fig 59 select to enable the magnetic switch input or to disable it Press button to exit programming Close...

Страница 22: ...d reset the unit The TA450 will restart in HEATINGmode or COOLING if reset in this mode and at the COMFORT control level temperature 19 BATTERY REPLACEMENT When the indicator flashes on the dis play i...

Страница 23: ...mage the unit There will be approximately 2 minutes available for replacing the batteries To restart the unit proceed as described in chapter 4 Close the unit Make sure that the hooks have been insert...

Страница 24: ...ilable contacts 1 NO NC switch contacts Range of adjustment from 3 to 35 C Room temperature measuring interval 15 seconds Reading resolution 0 1 C Displayed reading range from 0 C to 40 C Precision 0...

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