EVCO EPK4BHQ1AH Installer manual - Manual (Page 45)

EVCO S.p.A. c-pro 3 NODE kilo AHU | Application manual ver. 1.0
page 45 of 114
6 Regulations
6.1 Machine status
Several procedures exist for switching the unit ON and OFF:
Using the dedicated ON/OFF key (this function is enabled via parameter PH05).
Switching ON – Press the dedicated key for about 2 seconds: If all other enabled functions are present,
the machine will switch on by itself
Switching OFF – Press the dedicated key for about 2 seconds: the machine switches itself OFF.
Using the ON/OFF command from digital input (this function is enabled via parameter PH07).
Switching ON – Close the remote ON/OFF contact: If all other enabled functions are present,
the machine will switch on by itself
Switching OFF – If the remote ON/OFF contact reveals itself to be open, the machine switches itself “OFF from
digital input, indicated by “OFF D”.
Using a supervisory protocol (this function is enabled via parameter PH09).
Switching ON – Activate via protocol the switching ON status: If all other enabled functions are present,
the machine will switch on by itself
Switch-off – if switch-on status is deactivated from protocol, the machine will switch-off from
supervision protocol, indicated by “OFF S”.
Using a schedule (this function is enabled via parameter PH04).
Switching ON – If the date and time of the RTC indicates an ON status: if all other enabled functions are
present, the machine switches itself ON.
Switching OFF – If the date and time of the RTC indicates an OFF status; the machine switches itself OFF.
OFF statuses from digital input, supervisory protocol and schedule are only accessible if the machine has been enabled
by key press.
The machine ON/OFF key is the ESC key.