EN/07.2013/58/14
2.5. User interface
An user interface board is supplied as an option; it’s connected to the mother board through a 4-poles telephone cable
(including serial bi-directional RS485 line and the power supply).
There are two serial user interfaces that can be linked to the mother board through USER connector:
• EO3 (corresponding to Stulz accessory ACTUKPD) will be used for the final customer.
• CO3 (corresponding to Stulz accessory ACTKPDC1010H) will be used for manufacturer and service.
2.5.1. EO3 user interface (Stulz accessory ACTUKPD)
• Dimensions: 76.5 x 58.5 mm
• 3 digits LED 7 segments display
• Keyboard, 4 keys:
– MENU / SET to enter into setup menu or to change setup parameters values
– UP to change values and to scroll up
– DOWN to change values and to scroll down
– ON_OFF / ESC to switch on / off the machine or to exit from setup menu
• 6 on-board LEDs:
– L1: Minus for negative number visualization on 7 segments display;
– L2, L3: Page displayed in normal mode
– H7: Machine status: cooling or freecooling on (green)
– H8: Common warning presence (yellow)
– H9: Alarm presence (red)
• Operating temperature: -0°C +70°C
The EO3 user interface layout is shown in the following drawing:
2.5.2. CO3 user interface (Stulz accessory ACTKPDC1010H)
• Dimensions: 200 x 70 mm, “no case”
• LCD display 20 x 4
• Keyboard, 6 keys:
– SET to change set point
– UP to change values and to scroll up
– DOWN to change values and to scroll down
– ESC to exit menu
– START/STOP to start/stop the controller
– MENU working menu access
• Operating temperature: -0°C +60°C (limited by LCD module)
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