EVCO EPK4BHQ1AH Installer manual - Manual (Page 51)

EVCO S.p.A. c-pro 3 NODE kilo AHU | Application manual ver. 1.0
page 51 of 114
6.6 Operating mode control
The operating modes can assume the following values:
Parameter “MOdE” Description
0=COOL – SUMMER Summer operation
1=HEAT – WINTER Winter operation
There are additional procedures which allow you to set the operating mode of the unit:
1) Using the MOdE parameter in the user menu (function enabled by parameter PH06).
Set – Positioned on the ModE parameter, press the ENTER key, modify the values using the UP and DOWN
keys. Confirm by pressing the ENTER key again.
2) Using the supervision protocol (enabled by using parameter PH10)
Setting – Send the operational mode change control from protocol, via the relative status.
3) Via the automatic Change-over function (this function is enabled via parameter PHxx). Setting – When
the outdoor air temperature or the discharge temperature (parameter PC63) value exceeds the Summer
Commutation Set Point PC61, the unit commutates to summer operating mode. Conversely, when the
outdoor air temperature value falls below the Winter Commutation Set Point PC62, the unit commutates to
winter operating mode.
Note: It is advisable to carry out the change the summer/winter operating modes while the machine is shut down.
4) By pressing a combination of keys from the page of the application (LEFT and RIGHT held down for 3
seconds).
Cooling Mode
Heating Mode
PC61 PC62
OFF
OFF
ON
ON
Outdoor/Discharg