14
DEX & DBX Installation, Maintenance and User Instructions - April 2011
Set temperature
Select preset temperature
Store temperature
Temperature limitation on
Temperature limitation off
Operation
(Model DEX only)
Temperature setting
The required hot water temperature can
be increased or decreased in increments
of 1°C by briefly pressing the up arrow
and down arrow function keys.
Depressing the function key for a longer
time changes the temperature continuously.
The temperature can be adjusted
between 20°C and 60°C.
Note. Reducing the temperature below
20°C displays ‘- -’ and the heating
function will not operate.
Program buttons
The two program keys allow a preset
temperature to be selected quickly.
The factory setting is 35°C for program 1
and 48°C for program 2.
The preset temperature can be changed
to the current temperature setting by
prolonged pressing of the program key.
The display changes from ‘P1’ or ‘P2’
to the new temperature value which
becomes available each time the
corresponding program key is pressed.
Temperature limitation
Units are supplied with the temperature
limitation function deactivated.
To activate, select the limit temperature
then press the program 1 and up arrow
function keys simultaneously for at least 3
seconds.
‘HI’ is displayed briefly to confirm
activiation.
To deactivate, press the program 1 and
down arrow function keys simultaneously
for at least 3 seconds.
‘- -’ is displayed briefly to confirm
deactivation.
Note. Programmed temperature settings
will need to be reset after deactivating
temperature limitation.
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