ThermoTex CoziStat Installation Instructions & Operating Manual Download Page 5

Disclaimer: Any information given is believed to be reliable. However, users should treat this information as a guideline, and independently evaluate the suitability of the product for their particular 

application. Thermotex Engineering Limited makes no warranties as to the accuracy and completeness of the information and disclaims any liability regarding its use.

Thermotex Engineering Ltd

, 1a Broom Business Park, Broom Bank Road, Chesterfield S41 9QG 

T:

 +44 (0) 1246 453 769  

 

F:

 +44 (0) 1246 454 988   

E:

 [email protected]   

W:

 www.thermotex.co.uk

Revision 1.01

C O Z I S T A T   I N S T A L L A T I O N   I N S T R U C T I O N S   &   O P E R A T I N G   M A N U A L

9

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Operation Manual

POWER ON/OFF

Press once to switch the thermostat on. The display will activate 

and light up blue. After approximately 10 seconds of inactivity the 

screen backlight will switch off. Press once again to switch off.

SETTING THE TIME

To set the time and day of the week, first press        . The minutes 

shown on the time display in the lower right corner of the screen 

have been selected and 

will

 be flashing. Adjust the minutes up or 

down using the        and        arrow buttons. Press         again to 

select the hours, and then press once more to select the days, 

adjusting with the arrow buttons.

CHANGING THE OPERATION MODE

Press 

to  switch  between  Manual  and  Programmable  Modes. 

When 

 

  shows  Manual  Mode  is  selected.  When     

 

shows, 

Programmable Mode is selected.

SETTI

NG

 UP PROGRAMMABLE MODE

To 

set up Programmable Mode first press and hold       for 

approximately 3 seconds. The screen will light up and the time 

will flash in the bottom right corner. You will also see all the 

weekdays displayed across the top of the screen and the Period 

1 house symbol showing in the bottom left.

To programme Period 1 (the morning switch on time) use the     

and       arrow keys to adjust the time (in 15 minutes intervals). 

Next, press       to select the Set Temperature and again use the 

arrow keys to adjust the desired temperature up or down. Then, 

press        again to move to Period 2 and programme as before 

first selecting the time and then the temperature. Select up to 6 

weekday time periods.

Once you have selected the Set Temperature for time period 6, 

press        to move to setting the weekend programme. The 

weekend days will now appear in the top right of the screen and 

you can programme the times and temperatures as you did for 

the weekdays. Finally, press       once again to exit the 

Programmable Mode setup.

TO LOCK OR UNLOCK THE PANEL

To lock or unlock the thermostat panel, press and hold both the         

up and down                

arrow buttons at the same time for 

approximately 5 seconds. When locking, 

the     symbol will 

appear to show the panel is locked and the buttons will become 

inactive.

 

When unlocking, the     symbol will disappear to show 

the panel is unlocked and the buttons will become active.   

   

ADJUSTING THE TEMPERATURE IN MANUAL

MODE

With Manual Mode selected (    showing on the screen), simply 

use the        and         arrow buttons to adjust the set (desired) 

temperature up or down. The Set Temperature shown on the 

right side of the display will adjust accordingly.

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