Technical data

Instructions Manual cod. 1592001120

1592001121 Universal-R3 GB 19.11.2004.doc

rel. 1.0

Pa. 11 / 15

9. BUTTONS – WHAT ARE THEIR FUNCTIONS

9.1

INDIVIDUAL BUTTON FUNCTIONS

SET: Display current Set Point - Press and release the SET button and the Set Point is displayed for 5sec.

This will not allow the Set Point to be altered.

To alter the Set Point - Hold the button pressed for at least 2sec, Set Point change mode is entered

indicated by the small LED’s flashing. Change the Set Point using the

and buttons. The new value

can be stored either by pressing the “SET” button (the instrument restores temperature display) or by waiting

the exit time-out to expire (15sec).

(UP): Used to scroll through parameter labels or to increase parameter settings. Keep pressed for a faster

change. Also used to initiate Thermostat override. ( See section 13, Fast Chill / Freeze )

(DOWN): Used to scroll through the parameter labels or to decrease parameter settings. Keep pressed for a

faster change.

Manual Defrost: Press this button for 3sec. A manual defrost cycle will start and the defrost LED will

illuminate. ( Not possible if parameter “tC” = 1 or 6 )

COMBINATION BUTTON FUNCTIONS

Lock & unlock the buttons: Pressing these together for 3secs. will lock or unlock them. The display will

flash “POF” or “POn for a few seconds to confirm locking or unlocking respectively.

SET + Enter programming mode: Keep both buttons pressed for 3secs. and programming mode is entered. The

first label is displayed

SET + Exit programming mode: Press together to return to normal display

10. PROGRAMMING MODE

To enter programming mode, press the SET & together for a few seconds, until the first label is displayed. Pr2 is

normally the only label you will see here. If not, use the

or button to scroll to the Pr2 label. Pr2 is a sub-menu

containing all parameters.

Now press SET. The display briefly flashes “PAS”, asking for the pass code, which is :-

3 2 1

Then the digits will change and start flashing “0 - - “. Starting with the left hand digit, enter the pass code using the ,

and SET buttons as follows,

3 → SET → 2 → SET → 1 → SET

The first parameter “tC” will now be displayed. Press SET to see it’s value, use the

& buttons to alter the value,

press SET to store it and move on to the next parameter. Always set “tC” first before setting the other parameters.

Note : If you remove the security code protection from any of the parameters, their labels will appear in this first level

and their values can be viewed and altered without using the security code.( See section 18, Removing Security

Protection )

10.1

EXIT TIME OUT - IMPORTANT

If no button is pressed for 15 seconds, any alteration will be stored and the display returns to normal