EN
11
2 OPERATING INSTRUCTIONS
2.1 USER INTERFACE
LED STATE DESCRIPTION
1 Green
Off
Unit in standby
On
Unit in operation, active request to heat pump
Blinking
Unit in operation, no request to heating elements
2 Red
Off
Unit in operation
On
Unit in stand-by, anti-freeze function available
Blinking Unit
in
ALARM (see section
2.5
) or alarm/defrost active on external unit (if
connected)
3 Giallo
Off
Anti-legionella not active
On
Anti-legionella active. Minimum disinfection temperature reached
Blinking
Anti-legionella attivo. Minimum disinfection temperature not reached
4 Blu
Off
Electric Resistor off
On
Electric Resistor on
KEYBOARD
5
“ON-OFF”
6
“DOWN”
7
“UP”
8
“SET”
2.2 STARTUP SEQUENCE
When the control unit has been connected correctly and is electrically powered, the display shows the firmware
version (e.g. "R11") for two seconds, then switch to the "main screen", in which the red LED is on at the first turn on
and the numerical display is.
Switch ON / OFF the DHW Controller
To turn on DHW Controller, press and hold the on-OFF button for two seconds until the red led turns off and the
green LED lights up. The DHW Controller unit is designed to stay on continuously.
To turn off DHW Controller, press and hold the on-OFF button for two seconds until the red LED turns on and the
others turn off.
The On/off status is maintained between two consecutive switching.
Содержание DHW
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