First Installation - Watts WT-D03 Guía De Usuario

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3. First Installation

Please refer to the Quick Installation Guide.
L (24V to 230V)
When thermostat is started, it launch is
initialization procedure:
1
All segment of the LCD screen are displayed
The led is blinking white
2
3
LCD screen display the software version
Thermostat initialize its internal configuration
4
according to H&C signal
3
4
N
L L N
out
1
WATTS Controller WFC only
Heat or cool signal
Clock signal (Neutral)
2
5