Fronius CU 1800 - Parameterisation of the Water Chiller; General; Defining the Communication Mode; Defining Contact Input Signal 1

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Parameterisation of the water chiller
1. Press the MENU button for 2 seconds.
2. Repeat Step 1 - press the MENU button for 2 seconds - for three times.
1. After dening the communication mode, press the SEL button for 14 times.
► Setting level Co.01 (Communication mode) is
shown.
3.
Choose the DIO mode by using the ARROW buttons.
IMPORTANT! As long as the ARROW buttons are used, the display SV is icker-
ing.
4. Press the SEL button, to conrm the choosen setting.
► Display SV glows again, the ickering goes o󰀨.
2.
Choose RUN with the ARROW buttons.
3. Press the SEL button, to conrm the choosen setting.
The following setting options are available:
LOCAL mode
Water chiller is set and operated via operation panel.
DIO mode
Cooling starts with contact-input / output.
SERIAL mode
Operation and settings via serial interface.
Dening the
communication
mode
Dening Contact
input signal 1
► Setting level Co.15 (Contact input signal 1) is
shown.
The following setting options are available:
Without contact input signal.
Start and stop signal input
General IMPORTANT! The following settings are only necessary, if the water chiller is equipped
with one or two ow meter.