Operating Instructions; The Electrical Control Box; The Display; Modes Of Operation - Veco CLIMMA CWS DC INVERTER Series Installation, Usage And Maintenance Manual

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:
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