Veco S
Installation Manual –Page 9 / 20
3.
Operating instructions
The unit can be controlled by the main electrical control box or remotely via Modbus protocol. In this
chapter only the main electrical box control is shown.
3.1.
The electrical control box
The electrical control box of the chiller Climma DC is shown below.
The standard Climma DC configuration has the control box with a digital display to control the unit and a
local switch. The digital display can also be remote.
The electrical box has to be connected during the installation to the main power supply, to the sea water
pump and to the circulation pump.
The electrical box is already connected to: the inverter, the RC valve and water valve on the chiller, to the
electronic expansion valve, to the flow meter and to all the pressure and temperature sensors required by
the unit.
3.2.
The display
The display has 6 buttons:
WARNING: this will allow to access in the Warning/Error screens
PROGRAM: this button allows to enter in the programming mode
ESC: this button allows to exit from the current screen and go back to the previous level
ENTER: when the cursor is on a value, the button allows to confirm the value
UP/DOWN: these buttons allows to move between values or screens
3.3.
Modes of operation
The unit has 3 possible modes:
