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5 Procedure
Test procedure (controller must be connected to power supply):
1 step. To check the set desired value, press the “+/-” key briefly once. The menu item “desired
temperature” appears in the display for approx. 5 secs. The set temperature is displayed as a
hexadecimal value, e.g. “A1”. By pressing the “+/-” key again, in a “U”-shaped unit for
example you can switch to another set desired value, e.g. “A3”. The last hex value shown in
the display is always considered to be the set desired value.
2 step. Wait until the display again shows the current temperature in the display.
3 step. To get into the address menu of the controller, the “standby/reset” key should be pressed
briefly once. In the display, “Adr” is shown alternating, for example, with “1” for bus address 1.
By pressing the key “+/-” (up) or “standby/reset” (down), the bus address can be adjusted
between 1 and 247.
4 step. To store the bus address, press the “man. defrost” key once to quit the address menu and get
back to the current temperature.
5 step. To get into the main menu, press the “+/-” key three times to get to the code input for the
main menu. “Cod” and “0” are displayed. The correct code should be entered using the key
“+/-” (up) or “standby/reset” (down). The code can be a number between “-999 and +999”. If
the correct code is shown in the display, this should be confirmed using the “man. defrost”
key in order to get into the main menu. The first enabled menu item is then displayed.
6 step. To change a selected value, the parameter must be confirmed using the “man. defrost” key in
order get to the parameter value. This should then be changed using the key “+/-” (up) or
“standby/reset” (down). To store the set value, the “man. defrost” key must be pressed.
Following this you return to the set parameter.
7 step. If you are in the main menu, you can be switched through the parameter level using the key
“+/-” (up) or “standby/reset” (down). If no change occurs for approx. 30 seconds, the
controller returns from the main menu to the current temperature display.
8 step. Following this the controller will again function normally.
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