E/0310/50/6
4-Digit LED-Display
In this LED-display all controlling parameters such as setpoints, actual values and limiting values,
are shown.
Status LED
Status LED shows actual operation mode of controller. As a function is switched on, the corres-
ponding Status LED is indicated. On a CW-Unit, Status LED "cooling" indicates when CW-valve
has an opening degree bigger than 0%.
Status LED "alarm" indicates when an alarm occurs.
DIP-Switch 1-4
Adjustments that need not to be changed after initial installation, are made by these DIP- switches.
DIP- Switches 1-4 have the following functions:
DIP-Switch 1 No function
Modification from Version 2.1: When the sequencing is active (i.e.
menue point 24 > 0), the start of the stand-by unit can be chosen by
this switch.
ON: No start by passing over a limit value
OFF: Start of stand-by unit in addition, 3K before the limit
value "Temp. too high" is reached.
DIP-Switch 2
The control of the compressor version or the CW version can be
chosen by
this DIP-switch.
OFF: Control of compressor version is chosen.
ON: Control of CW version is chosen.
Some menu items, alarm inputs and outputs will obtain another meaning.
DIP Switch 2 must only be switched when dead.
DIP-Switch 3 Two alarm inputs can be chosen by this DIP- switch.
ON: The inputs "auxiliary alarm 1" and "auxiliary alarm 2"
have the function of external alarms.
OFF: The input alarm 2 has the function of a fire and smoke
detector.
The input alarm 1 has the function of a water sensor.
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